2013年7月21日星期日

iron ore separator through the bottom bracket spacers to adjust the angle change the size of the gap effect

Limonite magnetic separator roughing and useful to be necessary conditions, magnetic separator drum absence of exceptional circumstances, generally do not need maintenance, but it should be normal maintenance (small

, Medium, Large and maintenance). We know that magnetic separator equipment in the work of the magnetic drum is prone to wear and tear, severe magnetic roller sleeve worn leather will appear the phenomenon, grinding

After breaking the magnetic roller pulp will enter, which would adsorbed on the surface of the magnetic system, which has led tube between the skin and the magnetic locking system, or slurry into the bearing lead to bearing damage

Bad, to make the whole damage does circular magnet not work.

Beijing General Research Institute of Mining and Metallurgy Luo Jiake, Luo Zhongyi other magnetic separator equipment expert since 1976, through a lot of research work, magnetic separator technical experts to develop

Selective (magnetic) flocculation to remove mud new technology, without organic polymer flocculant, can achieve fine-grained iron ore and iron silicate basin separation. The process applies not only to

Sorting SiO2 containing up to 16% of the poor aegirine-type oxide ore, but also for sorting fluorine fluorite up to 13% of the ore dilution test. Separator technical staff to analyze the work

Art is characterized by fine-grained magnetite as a reunion with the medium, sodium hydroxide and sodium silicate (pH = 9.5 - 11.5) in the medium, through several off the mud, you can get high-quality

Iron ore, separation indexes quite satisfactory.

In order to investigate the magnetic selective flocculation method Baotou mine Desliming scope, select the type aegirine, fluorite type and mixed type three kinds of oxide ore poor conduct verification tests.

The results (Table 5-20) shows that although the three ore containing F, SiO2, and ferrous oxide containing relatively large changes, but after adjusting the number of agents and off the mud, can obtain satisfactory

Sorting of targets. Permanent magnetic separator is mainly used for magnetic separation of materials, the use of magnetic holder difference between the ore in the magnetic separation equipment, mainly for magnetite-election

Mine roughing and selected. Permanent magnet drum magnetic separator magnetic system by a strontium ferrite magnet blocks. Alternating polarity magnetic poles distributed along the circumference.

Oil separator selected iron has good sealing characteristics, in general, the device responsible for the machine bearing the entire load, so good lubrication of the bearing Shou

The length of life has a great impact, it directly affects the life of the equipment and the operation rate of the size, thus requiring the injected oil must be clean, clean, have good lubricating

Good tightness; magnetic separator rotating bearings, roller bearings, all gears, activities bearings, sliding plane and so need to have good lubrication. The oil machinery parts per eye

Classes plus a low-melting calcium-based grease. Bearing oil temperature should be controlled within a certain range, too easily lead to bearing damage. The bottom discharge activity unit

Frame plane can not have dust and other materials, always wipe the body, clear the residual mineral conveyor belt and dust, keep the equipment in good operating environment. Doing so can

Will be able to maximize the use of magnetic separator to maximum effect. Specific maintenance content is: do not disassemble and clean the cylinder body gear (or cycloid planetary gear) and the bearing, running zero

Parts and replace cooling lubricants and solutions.

Specifically: unloading all parts, inspect, repair or replace, any oil-filled electric drum of oil, should be strictly in accordance with the instructions specified in the oil types used

User shall not arbitrarily change the oil seed, to prevent motor burnout. Detach the stand, cover, cylinder, cylinder wall and the drive body cleaning, checking gear, cycloid, bearing wear

Loss situation. Check the parts of the force, keys, keyways are deformed, oil seals for wear and so on. Large-scale maintenance is: every two years.

Ash separator causes cylinder repair worn surface of the skin, the skin is a magnetic cylinder 2-4 mm thick stainless steel plate welded steel. If the skin surface of the tube

No protective layer (also called the wear layer) will not be long worn out you can not use. Affects both production and increased equipment maintenance costs. In the process of using magnetic separator, magnetic sources is

The pulp choose another important component of the magnetic material, the surface of the magnetic source is mounted 3-4mm thick tube made of a stainless steel plate skin, the skin surface is coated with a protective tube cylinder

The wear layer, when the separator drum skin surface wear layer will appear after prolonged use varying degrees of wear, if not repaired in time will lead to the skin surface of the cylinder is worn,

Seriously affect the magnetic separator smooth production.

Magnetic separator in order to safe production, must pay attention to the following points: 1, electrical equipment should always be kept dry, clean and prevent water splashes on electrical equipment. 2 posts

Workers are not allowed to change the excitation current. 3, the host running the process with iron or other non-magnetic conductor contact turntable and magnetic poles. 4, the boot should be noted that after the first water supply

To the mine, and mine shut down after the first stop should note that without water, pay attention to good order. For the separator, the adoption of effective lubrication method that can reduce the wear of the device itself

Loss.

Its separation process is: to mine the ore from the cylinder exhaust ferromagnetic minerals in advance, it will be evenly routed to the mining belt, the belt to the disc by following

Magnetic gap, the magnetic force being weakly magnetic minerals, is attracted to the disk on the tines, and with the rotation of the disc to the belt with the sides where the magnetic field strength due to a sharp decline

And then under the action of gravity and centrifugal force, falls on both sides of the belt trough magnetic products, the non-magnetic product shipped to the tailing end of the belt into the non-magnetic products

The trough.

Magnetic separator is widely used in the timber industry, mining, chemical and other factories in the resource recovery, re-use powder for removal of iron in mitochondria, etc., which can be divided choose

Minerals are metallurgical manganese ore, manganese oxide, iron sands, kaolin, ilmenite, wolframite, manganese, etc., in order to prevent clogging from happening, cylinder built in the mine

There is a weak magnetic poles, which can be pre-discharge strong magnetic minerals in the feed. The main factors affecting the operation of the magnetic field strength, thickness and so on to the mine.

quartz ore flotation machine flotation machine impeller compared with the differences between the presentation

Want to make the flotation device of the user's favorite subject we mainly do the following: We need to consider the flotation machine of power, not the flotation machine equipment, such as ball mill, magnetic separator

Many machine processing equipment are need to have some incentive to work.

For the flotation machine flotation quality, we are more concerned about is that we need to do is the granularity of cylindrical magnet flotation and flotation yield, this is worthy of concern

For flotation machine's energy consumption, it is also our concern, flotation machine we need to keep energy consumption reduction so that it can indirectly give us to improve

Efficiency.

Graphite flotation machine installation prior to use level mapping instrument measured the level of bias based seat role, Yu hair full section airlift Yu micro bubble flotation machine is made using domestic mining machine

Foreign advanced technology research and development from efficient flotation machine equipment, Yu hair full section airlift micro bubble flotation machine stable and reliable quality, energy efficient, suitable for coarse flotation process

, Selection, scavenging operations. Yu made to meet the inhalation of large quantities of air flotation machine, fully dispersed into the air bubbles from the slurry to precipitate more "active" bubble requirements,

Compared with the impeller flotation machine, there are obvious advantages.

Flotation machine installation sequence: first install the head tank, and then install the middle of the tank, and finally install the tail tank. Tank installation before use mapping instrument measured the level of the base

Seat base level of deviation, tank fitted to the foundation, which enable both sides of each tank overflow weir to the same level, with a spirit level on different alignment between the tank and use different thickness

Plate so that the whole length and width in tool holder the horizontal direction consistent with the modern nature of the ore tends to be poor, small, miscellaneous cases, Yu hair type inflatable flotation machine BSF efficient

Is obvious. If treatment with copper sulphate difficult sphalerite with xanthate role in the formation of copper sulfide mineral surface covering film to arrest closing flotation; or activation of lead sulfide

Copper oxide ore, then use xanthate flotation.

Flotation machine working principle is: the pulp tangentially onto the inflator nozzle and rotating along the inner wall, and then sprayed through the orifice into the flotation cell. Compressed Air

By installing the inflator center of the nozzle air introduction pipe, the orifice being discharged place later, with the same center of the whirlpool jet sprayed into the flotation cell. BSF type inflatable

Flotation machine ejected pulp - air swirl, the impact of partition, diffusion of energy and make the slurry flows upward, then down into the degassing chamber. Degassing chamber without agitation can be

Come together to make the mineralized foam so that it flows into the tail pipe in the pulp slurry prior to separation, according to field test data, such flotation machine high efficiency, have been gradually replaced by machines

Mechanical flotation machine.

Manganese flotation machine instructions easy bubbles floating state collectors reflected. Full-sectional airlift micro bubble flotation machine at the bottom of the tank with one or several gas chamber,

Gas chamber cover uniformly filled inflatable check valve when the pressure air to the fashionable, one-way valve is opened, the pressure air into the flotation tank, into the groove of the air in the mine body fluid

A miniature bubbles, mineral particles attach to the air bubbles with the bubbles rise to the overflow tank overflow.

Curing the problem: oxidizing the key factors galena flotation vulcanization process, commonly used vulcanizing agent is sodium sulfide, followed by curing bell hydrosulfide, sodium sulfide and barium. Real

Class is not only on the occasion of sodium vulcanizing agent, is also very good adjustment agent. The role of curing agent, mainly in the mineral surface to form a solid film vulcanization, the mineral

Ease of collector surface, and make easy fixation on mineral and floating bubbles. The current domestic market, there is a rubber device designed specifically for the mining machine manufacturers, Yu hair rubber

Slurry and cyclone both domestic leading products in this field, but also the star product on the market, is the darling of the mine owners. 4-5 times higher than polyurethane, and resistance to

Corrosion, anti-aging, but the rubber or rubber products, the price is very low, we can say its price in the domestic invincible.

Meanwhile, a vulcanizing agent may also reduce the concentration of metal cations in the slurry, the flotation of galena in favor oxidation. The amount of curing agent in addition to the content of the outer lead minerals

, To a great extent with mineral material composition, the content of sludge, the kinds of soluble ions, and therefore, in the curing process should be suitable for the amount of the vulcanizing agent.

Oxidation of galena flotation are several ways, but the most common is the cure - xanthate flotation, lead oxide sulfide minerals - xanthate flotation process the ore is first cured using xanthate

The collector, the essence of this method is sodium sulfide or sodium hydrosulfide and minerals reaction film of lead sulfide and then with added xanthate, the flotation of the mineral

Away. There is a problem of this method:

Determination of lead and zinc flotation machine often inflated methods are the following, in terms of performance on the flotation machine, inflatable greater the amount of air dispersion better, more bubbles are distributed

Uniform, then the mineral particles in contact with air bubbles greater chance of collision, the faster flotation, flotation machine, the higher production capacity, this flotation process performance, the better. However, inflatable

The size of the amount can be adjusted to accommodate different nature of the ore on the gas saturation of the different demand usually inflated per square meter per minute, the volume of air filled table

Shown. Concentrator frequently used measurement flotation machine, flotation equipment inflated methods are the following:

Flotation of galena oxidation is a major collector amyl xanthate and butyl xanthate a class of senior xanthate; sec-octyl xanthate out in recent years developed a new type of collector

The oxidation of galena flotation can achieve good results.

The use of modifier: To improve the selectivity of the flotation process, to enhance the role of the collector, to improve the conditions of the flotation pulp, must be used to adjust agent. Lead oxide

Under normal circumstances, ore gangue, mostly limestone, calcite, dolomite type them than quartz gangue minerals are difficult to sorting, to exclude the slurry of calcium and magnesium ions on the float

Select the harmful effects of water glass with little success, and the application of polyacrylic acid as a modifier to reduce slurry of calcium and magnesium ions adverse impact on calcite, a mineral mud clouds

A strong dispersion and inhibition, can increase oxidative galena planktonic. Experiment shows the slimes and calcium; magnesium soluble salts from the gangue, while adding water glass,

Diesel and sodium hexametaphosphate, can improve the quality of lead oxide concentrate to improve its usability.

the use of which materials to extend weak magnetic ore separator drum wear life


Weak magnetic ore separator for particle size below 3mm magnetite, pyrrhotite, roasted ore, ilmenite and other materials wet magnetic separation, but also for coal, non-metallic minerals, building materials

Other materials in addition to iron work. Weak magnetic ore separator magnetic system, using high quality rare earth magnets or ferrite material composite, tube sheet average magnetic induction intensity of 100 ~

600mT. According to user needs, providing downstream, semi-counter, and a variety of different tables and strong magnetic wet separator separation. The weak magnetic ore separator has a simple structure, large capacity

Easy to operate, easy to maintain.

   Weak magnetic ore separator drum wear life and beneficiation companies, equipment manufacturers and cost efficiency is closely related to ordinary rubber: weak magnetic ore separator is the more traditional

Approach, is currently the most widely used technology. Advantages: low price, easy to operate. Adhesive paste can. Disadvantages: life is short, easy to wear rubber off, affecting mineral production

Efficiency, local wear is not easy to repair vulnerabilities. Ceramic: Ceramics in weak magnetic ore separator on the application has been more common. Advantages: normal wear life of up to two years, the Construction Department

Li has certain technical requirements, low cost, repair after partial wear. Disadvantages: higher construction, ceramic impact of intolerance. Easy to fall off, high failure rates, the latter dimension

Great care costs. Vulcanized rubber skin. Weak magnetic ore separator device has a magnetic field and high separation factor commotion characteristics of advanced structure, light weight, reliable operation, easy maintenance

. Weak magnetic ore separator is ideal for arid areas, saving water resources, reduce processing costs, for the extraction and use of ultra-poor magnetite has opened up a new way.

    Wear-resistant rubber manufacturers use rubber, leather according to the length and diameter of the cylinder in the cylinder package skin thickness of about 3mm-5mm. Disadvantages: wear resistance and service life by

Materials manufacturers constraints, have a special high-temperature vulcanizing plants and equipment, a large upfront investment, payback period is longer. Damaged beyond repair. Advantages: combined with the cylinder

Strong. Spray paint: wear polyurea, polyurethane, etc., in recent years, emerging technologies. Advantages: the overall effect is good, the theoretical life of up to 18 months, the actual life of 8-12 months

, Local wear easily after repair. The device is ideally suited for arid regions, is the ultra-poor magnetite, river sands exploitation of key equipment, in addition to existing stereotypes products

Can also be designed according to user needs magnetic holder for different magnetic induction intensity of different magnetic materials magnetic separator weak magnetic ore, the company has industrial samples, can provide users with small industrial

Test, the product is mainly applied to the following areas: can be used for low-grade, hard and soft ore pre-job enrichment of iron ore resources, improve quality into the mill, lower processing

Costs. For River placer tailings weak magnetic ore separator.

    The ore slurry to flow into the tank after tank, the flow of water to the mine water pipe under the action of a loose mineral particles of the state into the tank to mine. The role of the magnetic field, the magnetic mine

Magnetic materials occur together and form a magnetic flux corporation or the magnetic flux in the group or by the magnetic force of the pulp to the pole movement, and are adsorbed on the cylinder. Go to concentrate magnetic system with cylinder

Weakest at the edge of the mine water discharge under the action of flushing water discharged is discharged into the tank mines fine, if it is full magnetic magnetic roller, brush roll unloading ore is carried out. Non-magnetic

Or weakly magnetic minerals are left in the mine with the pulp slurry discharged outside the tank, that is tailings. Yu made the magnetic washing machine production machine structural characteristics: wet permanent magnetic drum weak magnetic ore separator

Mainly by the cylinder, magnetic system, tank, transmission of four parts. Cylinder by a 2-3mm stainless steel plate welded into a tube, cover the cast aluminum parts, stainless steel screws and cylinder phase

Even. Motor through reducer, drive cylinder for rotary motion.

    Since the polarity of the magnetic poles along the circular rotation of the rotation direction is alternately arranged, and in the work is fixed, the magnetic flux in the group or with the cylinder rotates, the magnetic cross

Instead, produce a magnetic stirring phenomenon is mixed in the magnetic flux in a corporation or other non-magnetic gangue minerals in the flip of falling down, eventually being sucked in the cylinder surface magnetic or magnetic lotus group

That is, concentrate. Magnetic system is an open magnetic system, installed in the cylinder. Magnetic block with stainless steel bolts mounted on the bottom plate of the yoke, the yoke extending cylinder axis, the shaft is fixed Shui

Arm. Pulling the crank arm can be adjusted declination magnetic system, can be used after appropriate adjustment lever fixed.

   Weak magnetic ore separator is used in the re-use of powdered iron removal mitochondria so weak magnetic ore separator is widely used in recycling, timber, mining, ceramics, chemical

Science, food, and other workshops for particle size below 3mm magnetite, pyrrhotite, roasted ore, ilmenite and other materials wet magnetic separation, but also for coal, non-metallic

Mining, building materials and other materials, iron work, is the industry's most widely used high versatility of the aircraft world. In weak magnetic ore separator for dry magnetic minerals

Magnetic separation processing machinery, as opposed to wet weak magnetic ore separator to be used when sorting mineral liquid as a diluent to improve the separation efficiency, the weak magnetic ore separator will have

Find by drying mineral sorting between the particles can move freely into independent free state, otherwise it will affect the magnetic effect, and even cause the consequences of non-separation.
   

often maintenance ilmenite magnetic separator to solve minor problems occurred in operation

The equipment consists of a cylindrical, roller, brush roller, magnetic system, tank, transmission parts 6 parts; magnetic system using high-quality ferrite material or composite made with rare earth magnets,

Previous average magnetic induction tube sheet is 800-4000mT. At present, because the development of technology, ilmenite magnetic separator can be made into a roll, the magnetic field strength is increased to 8000mT;

For particle size below 3mm magnetite, pyrrhotite, roasted ore, ilmenite and other materials, wet or dry magnetic neodymium disc magnet separation, but also for coal, non-metallic minerals, building materials and other things

Material, iron work.

    New ilmenite magnetic separator made of high quality ferrite material or composite made with rare earth magnets, the magnetic roller surface average magnetic induction intensity of 100 ~ 600mT. The user

Needs, providing downstream, semi-counter, and a variety of different tables and strong magnetic separation. In operation, for each group of magnetic medium, the direction of wash concentrate

In the opposite direction to the mine, coarse particles do not pass through the magnetic medium can flush out the heap, thereby effectively preventing clogging of the magnetic medium; setting slurry frequency vibration mechanism, the drive

Pulp pulsating flow strength. Physical pulsating flow under the action of mineral particles in the slurry state is always in a loose, can improve the quality of the magnetic concentrate.

   Because ilmenite magnetic separator beneficiation industry in the use value, making it the industry's most widely used high versatility of the aircraft, one of the development of technology,

Yu hair ilmenite roll separator can be made, the magnetic field strength is increased to 8000mT. Already is the highest field strength measured. High Production Efficiency: Dry without water

And therefore are not subject to water overband magnet restrictions, perennial continuous production of anhydrous region, seasonally dry areas, alpine areas, the annual increase 100-150 days, effective

Improve equipment utilization. Adapt to industry wide: Yu Fa Machinery specializes in producing various types of ilmenite magnetic separator equipment, to meet a variety of iron ore, sand, tailings, slag,

Steel gray, sulfuric acid residue, abrasives, refractories, board, rubber, food and many other industries demand, some of the equipment but also a multi-purpose machine.
   
   It works with the sorting process: pre-ore discharged from the cylinder to the mine strong magnetic minerals after being sucked tines on the disc, and with the rotation of the disc to the belt with two

Side, where the magnetic field strength is drastically lowered, the gravity and the centrifugal force, the non-magnetic products shipped to the tailing end of the belt into the trough in the non-magnetic product (

Normally tailings). Ilmenite magnetic separator device above the blockage causes for prevention. The ore slurry to flow into the tank after tank, water pipe in the water flow to the mine action

Under a loose mineral particles into the tank of the state to mine.

    Ilmenite magnetic separator for dry magnetic separation of magnetic minerals processing machinery, as opposed to wet mineral ilmenite magnetic separator to be used when sorting liquids as

Thinner improve the separation efficiency, the ilmenite magnetic separator is required to be dried mineral separation between the particles can move freely, as an independent free state, ilmenite

Magnetic separator equipment, too, the use of high-quality ferrite material or a composite made with rare earth magnets, tube sheet before the average magnetic induction intensity is 800-4000mT. At present, because technology

Technique development, ilmenite magnetic separator can be made into a roll, the magnetic field strength is increased to 8000mT. Already is the highest measured magnetic field strength, but some problems are more

Small problems, as long as usual in the production of a lot of attention when it can be avoided, and if you really appear in the problem, do not worry, here we send Heavy technician Yu

Members will explain it for you, often to maintain and repair equipment ilmenite magnetic separator, magnetic separator ilmenite believe you will be better, more time for you to "sell

Force ", I believe here you will learn about the ilmenite magnetic separator equipment maintenance.

   Dressing without water: As the Company ilmenite dry magnetic separator, so no water, and water-election compared to a non-sewage sludge produced two can save water resources. Minute

Selection effect: Since this machine adopts a dynamic magnetic system design, mineral material in the surface of the roller slide, displacement and roll, roller nonstick material is conducive to material sorting, primary grades can

Increased 1-4 times, once selected grades of up to 60%. Processing capacity: Since the adoption of wrap-open magnetic system, the material does not wrap the group, no clogging, thus

Processing capacity, a single primary ore processing machine capacity up to 50 tons or more, can be tied in parallel multi-machine use, doubling production.

improve fine manganese ore flotation machine flotation process measures play the biggest role


The role of the fine particles from the granules, due to surfaces of the particles can be significantly enhanced, in certain conditions, the type of fine mineral interaction easily occurs between coagulation and the formation of non-selectivity

Aggregate, fine particles easily adhered to the surface of the coarse sludge cover, the role of the medium from the granules look fine with a large specific surface area and surface energy, therefore, with a more

Pharmacy high adsorption capacity, adsorption selectivity, surface increased solubility. Yu hair experts, manganese ore flotation machine affect the main factors the nature of the ore, ferromanganese

Flotation machine equipment performance characteristics and circumstances to the mine site. The production of manganese ore flotation machine usually through the overflow slurry concentration to control the fineness of the ore. General

, The pulp density is low, the overflow fine grain size, concentration, overflow granularity thicker.

    Make pulp "inevitably ions" increase the 'quality of small easily entrained water and foam machinery mechanical entrainment' from fines and the role of bubbles, due to the efficiency of contact and adhesion

Efficiency is reduced, the bubbles on the ore particles capture rate has dropped, while producing bubbles slimes "armored" phenomenon, affecting the carrying capacity of air bubbles. Increase manganese ore flotation machine floating

Measure the speed can be selected magnetic tool holder within an appropriate range, increasing manganese ore flotation machine impeller speed, to reduce the depth of the trough, the impeller and the best cover of the gap increased shrinking

Measures can contribute to flotation rate.

    Many domestic famous experts concluded intentions attention to washing machines that. If too thick slurry, the slurry viscosity will be relatively large particle sedimentation disruption also

Relatively large, sedimentation rate will slow down, resulting in some coarse mineral particles had a chance to sink in the flow of the slurry will be level with the weir, so that overflow coarsening. As

Fruit pulp density is too low, it may overflow coarsening situation. This is because the concentration is too low, in order to maintain a certain quality calculation according to the production capacity of the solid, the mine

Plasma volume must be very great, leading to the rise of the slurry flow rate and the level of flow also increased, thus making smco magnet  the overflow coarsening.

   Vacuum flotation, the use of a pressure relief device of solution from the vacuum flotation microbubbles, bubble size is generally O. 1 ~ O. 5 mm. Studies have shown that from the water analysis

Microbubble flotation of fine barite, fluorite, quartz, etc. are effective. Other conditions are the same, using conventional flotation, barite concentrate grade of 54.4% return

The yield was 30.6%, while the quality of the vacuum flotation can be increased to 53.6 ~ 63.6%, corresponding to recovery of 52.9-45.7%.

    Suitable flotation pulp density. In this case appropriate concentration, either maintaining the spiral stone washing machine when a certain ore particle size for maximum production; while

Maintain a productivity can be achieved when the minimum separation size. This concentration is called the critical concentration. Manganese ore flotation machine should be appropriate to the ore, and to maintain uniformity

Stable, to make the flotation process normally, check for good effect results.

   Electrolytic flotation, obtained by electrolysis of water microbubbles, bubble size generally of 0.02 -0.06 mm, for cassiterite flotation of fine particles, the single-electrolytic hydrogen bubbles float

Select rougher than conventional flotation recoveries increased significantly, from 35.5% to 79.5%, while grade increased by 0.8%. Manganese ore flotation machine according to the design requirements,

Manganese ore flotation machine should be easy to adjust the control speed, and the speed value visualization, new manganese ore flotation flotation machine motor shaft through a coupling directly connected to the electric

Installed on the drive, to digital manganese ore flotation machine speed, the speed control range of 0-3000rpm. Critical concentration value actually produced by the test and the reference to class

Like flotation concentrator indicators to determine. So as to allow manganese ore in the flotation process flotation machine play the biggest role.

    To improve the speed of manganese ore flotation machine flotation should first be noted that manganese ore flotation machine bubble mineralization. Mineral particles attach to the air bubbles selective flotation of the most

Basic behavior. We minerals easy to float and float difficult nature called mineral floatability. Flotation is the use of mineral floatability of the difference sorting minerals. Rational

Adjust prescription can change minerals floatability, so to float minerals can be selectively attached to the bubbles, so as to achieve the purpose of dressing, under normal circumstances a slight increase in those from

Foaming agents will promote flotation rate. It must be noted: Excessive foaming agent may reduce selectivity, therefore, the selection of the dose and the collector case of large, should note

Meaning not excessive amount of foaming agent.

resulting in broken teeth dolomite mill pinion reason



The first reason for broken teeth: low start

We start the ball in normal circumstances, the first station is a high-pressure oil cash work station first high-pressure working oil. Low-pressure pump is started, with the

After the high-pressure pump start, when the pressure reaches 16 ~ 18MPa, the ball floated Simplified 0.13 ~ 0.18 mm, then you can start the mill. 15 min later, the ring gear and small

Adequately lubricated gears, mill at 0.4 multipole ring magnet  MPa of low pressure lubrication operation. Because job working operation or electrical problems, and sometimes high-pressure oil pressure does not reach a predetermined

Oil pressure or high-pressure pump there is a problem to force the mill started at a lower pressure. At this point the host mill bearing pad is closely integrated with the state of the hollow shaft, friction

Large, if start mill, not only easy to scratch pad, and a small gear due to localized sudden impact, prone to the phenomenon of broken teeth.

The second reason for broken teeth: No disk drive or disk drive enough time

Under normal circumstances, the ball must be stopped before stopping the mill to the mine, mill water emptied barrel materials, or a thick slurry drying and will stick to the

Jane mill, the mill to increase the load on startup, even so, the next time you start the ball still need to be started before a slow radial magnets disk drive device for car, so

Not only will make the ball mill with hollow shaft main bearings formed in the middle layer of film, but also the material loose ball inside the mill. Such mill at startup, you can greatly reduce the startup

Load. If the ball is not in the disk before starting the car, then when the ball once to start easily lead to broken teeth pinion.

A third reason for broken teeth: there radial and ring gear runout

We install the ball mill ring gear, because of the mill ring gear is bolted on simplified its face runout is distributed by the circumference of the ring gear

The screw holes with the top wire adjustments. When the ring gear runout not meet the requirement, in the long run after the ball, loose bolts, ring deformation, it is easy to cause the ring gear

Vibrations.

The fourth reason for broken teeth: extension shaft pinion bearing vibration caused by loose

Vibrating ball mill pinion reasons: gear shaft and the extension shaft misalignment, gear shaft centerline and extending axis tilt large deviations; foundation bolts loose, although

However, often the fastening bolt, but there are still loose.

The fifth reason for broken teeth: Size gear assembly is not in place

Ball mill pinion meshing with the ring gear is critical, if assembled, then you can extend the life of ball size gears to reduce vibration. When the size of the tooth

Wheel installation, the ring gear with the cylinder has been fixed, then we need to adjust the position of the pinion, pinion and ring gear required axial centerline parallel to the tip clearance and

Backlash fit, too small prone to undercut phenomenon, too prone to large gear teeth broken.

Sixth Fracture: End cap plasma leakage, a small gear wear

Ball cap liner blank piece of cast iron, and the ball mill material in a long time under the impact of fixed ball mill liner bolts often loose, resulting from slurry

Cover bolt holes leak, coupled with the drive gear cover Mifengbuyan so easily thrown into the ring gear on the pulp, causing excessive gear wear size, shortened life expectancy in some

Start force when broken teeth.

Main bearing ball What are the causes fever? Mill main bearing spindle fever is because there are a lot of heat from the inside not out, which led to the main bearing

Overheating. When the temperature is gradually increased, the main bearing surface of the babbitt will melt, causing Burnt, resulting in ball mill can not function properly. So mill main bearing fever

This problem is users who attach great importance to our simple aspects from the following nine main bearing ball to understand the cause of overheating.

1, ball mill main bearing scraping poor contact with the hollow shaft and main bearings do not meet requirements, resulting in excessive main bearing wear, a lot of heat, causing the spindle

Watts overheating, even Burnt.

2, if the mill type of lubricant used improper selection oily bad, damaged hollow shaft and main bearings, oil viscosity is small, difficult to form a lubricating film.

3, lubrication system problems, such as oil rings with oil well, scraping the oil bodies, cloth oil cooler is not installed correctly, there is no oil filter, piping, etc. is not smooth.

4, if the mill operator is not properly grasp the oil level, oil quality, not timely refueling, can not be caused by lack of oil to replace oil mill, oil

Poor. Not a good mill main bearing lubrication, will also happen mill main bearing overheating.

5, the ball screw shaft and the hollow cylinder insulation is not good, the mill cylinder body heat is passed directly to the main bearing.

6, prolonged feeding hot materials, mainly out of the kiln clinker cooling is not sufficient, resulting in high temperature material into the mill, the mill is directly reflected in the high temperature on the main bearing

, Which is more obvious in the summer from June to August.

7, poorly ventilated mill, the mill cylinder body heat from the difficulties, as well as directly to the main bearings.

8, external cooling is not sufficient, a ball mill with water cooling, cooling water circulation main bearing on the one hand, one surface of the cylinder mill cooling, cooling water or cooling water is stopped

Deficiency may cause insufficient cooling, main bearing overheating.

9, there are cracks in the main bearing, the bearing cooling water to seep through the cracks in tile surface, undermining the good lubrication, leading to the main bearing overheating.

Yu sent us through the above mill manufacturers skilled workers analysis, we can see that the ball eventually cause various failures main bearing temperature rises, causing

Burnt main bearing overheating even if the mill spindle Burnt us how to do. Therefore, we can detect main bearing through real-time temperature and found fault mill

. When the main bearing temperature anomalies, the alarm signal is given in a timely manner to detect, prevent bush-burning and other serious accidents, to protect the safe operation of equipment.

limonite magnetic separator magnetic materials research breakthroughs on the continuous optimization



Permanent magnetic drum magnetic separator device can replace the application of the process, with the domestic and foreign mining companies in the automatic control technology and control technology, mining equipment manufacturing

Level of automation is also a corresponding increase, and magnetic separation equipment in the field of magnetic mineral separation hamper the accuracy requirements are also increasing. When neodymium cylinder magnets dry magnetic separator should have enough open gear

Enough oil, while bearing cap hole injection, then at least once every three months have oiling, as this will ensure the life of the machine, cost savings while improving the efficiency

Rate.

Both uses magnetic source is not the same, weak magnetic separation equipment to use more permanent magnets for magnetic source, mainly from the energy departure. The strong magnetic field magnetic separation equipment to use electromagnetic

Magnetic source, which is the electromagnetic field strength of the magnetic source can be designed very high, and generally low field strength of the permanent magnet, the magnetic field strength may not meet the requirement. Adoption

Permanent magnet strong magnetic separator, requires the use of new high-performance permanent magnets. With the domestic research breakthroughs magnetic, magnetic separation equipment industry as well as the traditional permanent magnetic separator

Magnetic system and the body structure of the multipole ring magnet continuous optimization, upgrade and improve, speed up the permanent magnetic separator device and gradually replace the electromagnetic process of magnetic separation equipment.

Always check the wear layer on the cylinder case. For loosening or breakage, timely disposal and repair, when the repair time, tailings recycling machines decapitated at this time

Of the strip and the cylinder surface should be sanded clean, and then use the glue stick firmly.

With the social development of science and technology, the emergence of high-performance permanent magnet materials, machining technology is getting more sophisticated, assembly and automation technology continues to improve control technology

Continuous improvement and promotion, combined with the practical needs of mine production, making the magnetic separation equipment upgrades further accelerated. Equipment automation technology; automation technology

Accelerate the industrial development especially in the increase in productivity, and therefore magnetic separator automation technology to meet the need to constantly reinforce the need for automated production of mining enterprises.

Under normal circumstances, it should be ready to remove the pulp of wire rod head or the like, so in order to avoid a small amount to the mine when the time, these things may be with or without

Up, then the drum skin will soon be worn or scratched on production and costs are negative. At this point if there is foreign matter on a cylinder, you can stop time by observing both ends

Hole inspection. Since large-scale magnetic separation equipment cause of the rapid development of mining and the production of construction on the increased demand for mineral resources, mining equipment manufacturing industry are not

Constantly expanding, difficult to adapt to face common equipment and gradually expand the production capacity of the mine situation, mining equipment manufacturer dedicated to the research and production of large-scale magnetic separation equipment

.

Updating of equipment; ensure good lubrication is the key to extend its service life. Dry magnetic separator when open gear lubricant should be sufficient,

While bearing cover hole injection, then at least once every three months, you have to grease, as this will ensure the life of the machine, saving costs while improving efficiency.

Magnetic Separator in rougher tailings slurry with a high concentration when the characteristics of understanding, under normal circumstances, it should be ready to remove the pulp of wire rod head or the like

So in order to avoid a small amount to the mine when the time, these things may not come up with, then the tube will soon be worn or scratched leather production and cost are negative. This

When the cylinder is a foreign body, you can shutdown observation hole through both ends of the inspection. Ore magnetic separator has the following six characteristics:

1, to the mine rinse water to make a slurry into a high concentration can be diluted and adequate separation, magnetic separation to make a good effect, the magnetic separator for coarse-grained magnetite coarse

Select the slurry having a high concentration feature. Magnetic separator tailings flow channel division is running fine before and after the overflow or fine mud tailings and tailings underflow orifice then ran around coarse particles

Stone dykes, suitable for roughing coarse magnetite slurry has a particle size distribution is very wide, coarse or very different characteristics of the high clay content.

2, the downstream groove, making pulp larger particle size, which does not cause heavy coarse groove plug, suitable for coarse-grained magnetite mineral rougher when coarser features.

3, because the equipment sorting drum surface field strength is high, the pulp can be given directly to the ore bucket sorting higher field strength cylinder surface area, making it difficult to be adsorbed and easy flow of the magnetic

Lost in the coarse tailings iron with the living body, the higher magnetic force can be effectively adsorbed on the surface of separation tube. 4, magnetic separator has a higher surface mine, the larger the magnetic wrap angle

Makes sorting with a long, iron magnetic minerals are adsorbed recovered fully, so magnetic material high recovery rate. Separator applications currently expanding scope and

Mineral separation degree of refinement to improve, the need to strengthen magnetic separator sorting features that make it widely used in various fields, expand the application fields. Always check on the cylinder

The wear layer situation.