the regulation slag magnetic separator magnetic poles advanced technology

Entire slag separator machinery and machinery transmission oil checked, and then start the first election slag separator and water systems, to be normal after turning slag separator Kai

Dynamic loading motor. Sorting technical indicators have not achieved satisfactory results, especially the use of magnetic - flotation process to make some mines combined sorting reached iron

Concentrate grade, iron ore recovery satisfaction index can say our country from the "Plan" beginning laterite () research work has been basically reached the expected goal, red ore beneficiation technology

Surgery problem has been basically solved.

In the production run, due to slag bullet magnets separator performance is unchanged, into the compound magnetic content size is generally not adjustable, so it is reflected in the site

Operational level, and because concentrate grade meet the requirements, has little effect on performance efficiency, so that you can test in the actual production of tailings with a medium volume and unit volume

Tailings magnetic content quickly determine the size of these two values ​​the effect of magnetic separation process.

On magnetic iron ore ore magnetic analysis. From the ore magnetic analysis results, obtained when the grinding fineness-0.030mm90% monomer solution when magnetite

From the degree to reach about 85%, therefore, for early gangue monomer ran to avoid the next stage grinding operation, the process should be chosen stage grinding stage sorting. Magnetic roller

By dragging speed motor, the speed of the speed to be adjusted through the governor table, you can control the slag separator production and concentrate grade. Mineral particles are fed by conveyor belt on the magnetic

Roller sorting, magnetic mineral particles hopper magnet due immediately adsorbed by a strong magnetic field in the magnetic roller, while the gangue grains (miscellaneous stone, sand) the absence of a magnetic (magnetic weak), magnetic roller magnetic

It does not produce suction.

General requirements concentrates magnetic material content of more than 90%, the performance efficiency of more than 99% or tailings with a medium volume of less than 0.30g / L. Concentrate magnetic material content below 85%, the weight

Difficult to maintain stable suspension system, this time without the efficiency of computing performance can be directly assessed the magnetic separation process failed, thus avoiding the magnetic material may be due to concentrate

Content is very low but the performance is a result of more efficient assessment bias, for two-stage magnetic separation process, the use of comprehensive assessment.

Competitiveness of the magnetic particles from the magnetic force, also known from the force. Obviously, the magnetic particles and non-magnetic particle separation of magnetic particles is a necessary condition suffered

Magnetic greater competitiveness. Slag can solenoid core and magnetic poles magnetized machine, in which a magnetic field is generated around. In the grinding work, we slag separator material

Grinding grain size required to have a certain control range, which grinding operation is also required according to the requirements of some of the details of the note can be more suitable for

In slag magnetic separator magnetic separator.

Feeding motor starting, bucket system is operating normally, release the brake arm. Slowly it down, and other than the sand hopper 2/3, to stop decentralization, to be

To 1/3 of the funding again when the big arm. When the big arm and the surface of the water into a 45-degree angle, you should stop into the big arm. There are major beneficiation process re-election, flotation and strong magnetic beneficiation process, or a variety of

And use, and there have been magnetizing roasting weak magnetic beneficiation process early general use re-election process, the main jig, centrifugal concentrator, spiral chute, spiral-election

Mining machine, shaker, etc., due to its ore processing capacity is small, low grade ore, low recovery and gradually be eliminated later developed the flotation beneficiation process and high intensity magnetic separation process, the main

To oxidized paraffin soap as positive flotation flotation process and flat ring strong electromagnetic separator slag sorting equipment for the strong magnetic separation process.

On a fine sieve to be demagnetized mine is very necessary. Main reason is the size of the magnetic particles is too small, the magnetic force sufficient to overcome the fluid resistance, etc. competitiveness; latter

Has led to decline in the grade of magnetic products, mostly because there is a strong interaction between the particles force, particle size monthly interest rate, the greater the concentration of slurry particles with each other

Force is more obvious.

Slag separator is used in the re-use of powdered iron removal mitochondria, widely used in recycling, timber, mining, ceramics, chemicals, 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 minerals, building materials and other materials

, Iron work, is the industry's most widely used high versatility of the aircraft world.

Then how much sand hopper switch traction control, move forward to see how much sand bucket may be, forward and back to be flexible in case of mechanical work sand cave

Difficult or does not move when you pull traction Shengsong open the boat to the back until it stops digging. In case of large stones under water or mud layer, the hull will have severe vibration phenomenon, then

Should immediately lift the dredging arm, avoid obstacles and then proceed.

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 magnetic sweepers magnetite, pyrrhotite, roasted ore, ilmenite and other materials, wet or dry magnetic 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 Magnetic Tube 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 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, tramp iron magnetadsorption 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 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 neodymium disc magnet 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 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.

Permanent magnet applications

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Permanent magnets are widely used dry electronics, electrical, mechanical, transportation, medical and household items and other fields. Such as speakers, telephone receivers permanent magnet; magnetic lines of meter magnetic system; generator, suspension magnet motor pole; machinery used in manufacturing permanent magnetic devices (such as magnetic chuck surface grinder, etc.) and suspension system, magnetic bearings ; magnetic separation systems, magnetic separation, magnetic water purification systems, magnetron, proton accelerator magnetic systems.

Permanent magnets Category

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The first category are: alloy permanent magnet materials, including rare earth permanent magnet material (NdFeB Nd2Fe14B), samarium cobalt (SmCo), Alnico (AlNiCo)

The second category is: ferrite permanent magnet material (Ferrite)

Divided according to different production processes: sintered ferrite, bonded ferrite, injection ferrite, these three processes differ according to the orientation of the magnetic crystal and were divided into isotropic and anisotropic ndfeb magnet .

These are the main permanent magnet materials currently on the market, there are some reasons due to the production process or cost reasons, not out of a wide range of applications, such as Cu-Ni-Fe (copper-nickel-iron), Fe-Co-Mo (molybdenum, iron and cobalt ), Fe-Co-V (vanadium iron-cobalt), MnBi (Mn Bi)Magnetic Trap

Permanent magnets basic knowledge and application

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Permanent magnets and permanent magnets of the magnet.

Permanent magnet may be natural products, also known as natural magnet can also be manufactured by hand (the strongest magnets are NdFeB magnets).

Permanent magnet is heated to a certain temperature suddenly lose magnetism, which is composed of the magnet as a number of "magnetic element" of the arrangement from order to disorder caused; lost into the magnetic field of the samarium cobalt magnets   when the magnetization reaches a certain value, which in turn is magnetized, "Yuan magnet" The arrangement and from disorder to order.

In fact, a permanent magnet permanent magnet external factors will not change its magnetism is not only heat, impact will it lose their magnetism, strong magnetic field can also change its poles and its magnetic strength of the alternating current with changes in the size of the magnetic field generated quickly can give permanent magnet magnetic degaussing will not explain it

With motor magnets is just a name, the name must not be limited by experimental evidence, magnets red-hot, it loses its magnetism. What is the reason then?

To put this truth clearly, we must first know why ferromagnetic magnetic?

From the material composition is concerned, all matter is by its molecular composition. Molecule is again composed of atoms. In turn, composed of atomic nuclei and electrons, and electrons around the nucleus rotation and constantly rotating movement of electrons will produce both magnetic. However, due to their different direction of their motion, disorganized, the material inside the magnetic effects cancel each other. Thus, the material under normal circumstances, without showing magnetic properties.

However, in the external magnetic field, iron, nickel, cobalt ferromagnetic material within the original movement of electrons each, one by one like a trained soldier, she hears "attention - Xiangyoukanqi" password, you Shua look neat row, then, electronic rotary motion of the magnetic effect, consistent with the direction of the external magnetic field, the magnetic properties of these substances on the show. While copper, aluminum, lead and so on non-ferromagnetic materials in electronics, despite the strong magnetic field applied again, it seems a group of naughty disobedient child, refused to obey the "Password" and "neatly lined up" and still freely in the clutter moving, so it is not magnetic.magnetic broom

Magnet has been able to attract nails, it is because a magnetic magnet near the nails, the nails magnetized magnet magnetic field, generating mutual attraction, nails firmly with the magnet on the "stick" together.

However, when the magnet and the magnet temperature rises, the thermal motion of molecules inside them faster. Thus, more and more electronic refused to obey, "lined up" and "Password" of the. When the temperature rises to a certain value, the intense thermal motion of molecules, and finally completely destroyed the direction of electron movement regularity disappears ferrite magnets. Metallurgists complete disappearance of the magnet and the magnet magnetic temperature known as the "Curie temperature." The Curie temperature of iron is 770 ℃.

Now, you know, burned red magnet Why the truth of suction is not strong nails. Because burned red magnet, the general temperature has exceeded 800 ℃. Of course, the temperature dropped, if we are to re-magnetized magnet, it is able to re "work" together.

Permanent magnets do not need to maintain its field current to a magnet.

Basic knowledge of the permanent magnet

With wide hysteresis loop, high coercivity, high remanence, once the magnetization is able to maintain a constant magnetic material. Also known as permanent magnetic materials, hard magnetic material. Applications, the permanent magnet operates in depth and magnetizing the magnetic saturation magnetic Swiss back part the second quadrant demagnetization. Permanent magnets should have the highest possible coercivity Hc, remanence Br and maximum energy product (BH) m, in order to ensure maximum magnetic energy storage and stable magnetic properties.

     

The difference between permanent and soft!

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Functional materials often called permanent magnet materials, also known as the hard magnetic material, and soft functional materials often called soft magnetic materials. This does not refer to a hard and soft on the mechanical properties of the hard and soft, but rather on the magnetic properties of the hard and soft. After literally means applied magnetic magnetized magnetic material to be able to retain their ferromagnetic long (short magnetic), characterized in that the coercive force (coercive field) is high. Coercivity magnetic material magnetized later that a residual magnetism after demagnetization (residual magnetic flux density and residual magnetization) of the magnetic field strength is reduced to zero. The soft magnetic material is both easy magnetization of magnetic field, and easy to demagnetization, the low coercivity magnetic material. Refers to the applied magnetic field demagnetization (referred to as magnetic field) after magnetizing the magnetic material, combined with the magnetic field of the magnetic field in the opposite direction to decrease the magnetic field.magnetic filter
And the use of permanent magnet materials is found a class of magnetic materials are the earliest. China's earliest inventions of the guide device (known as Ian) is the use of natural magnetite made of permanent magnet materials. Now not only are many kinds of permanent magnet material, but use is also very extensive.
The permanent magnetic material is mainly used with four magnetic properties:
(1) a high maximum energy product. Maximum energy product [symbol (bh) m] is a permanent storage unit volume of material and the available maximum magnetic energy density measurement;
(2) high coercivity (magnetic) force. Coercivity [symbol (h) c] is a permanent magnet material to resist magnetic and non-magnetic interference while maintaining its permanent nature of the measure;
(3) high residual magnetic flux density (symbol br) and a high residual magnetization (symbol mr). They are permanent magnetic material having an air gap of the air gap magnetic field intensity measure;
(4) high stability, i.e. the applied magnetic field and the degree of disturbance, vibration and other environmental factors, changes in high stability.
Important permanent magnet materials currently used are:
(1) rare earth permanent magnet material, which is currently the highest maximum energy product of a large class of permanent magnetic material, the rare-earth element and iron group element as a main component an intermetallic compound (also known as intermetallic compounds). Development and production of NdFeB permanent magnet material is alloy.
(2) metal permanent magnet materials, which is a large class of applications development and early iron and iron group elements (such as nickel, cobalt, etc.) as an important component of the alloy type permanent magnet materials, mainly aluminum, nickel and cobalt ( alnico) system and the iron-chromium-cobalt (fecrco) two categories based permanent magnet alloy. Alnico magnet alloy performance and cost is moderate, early development, performance and manufacturing processes with the chemical composition varies over a wide range, it is also a wide range of applications. Iron-chromium-cobalt permanent magnet alloy is characterized by moderate performance, but its mechanical properties can be a variety of machining and cold or hot plastic deformation, can be made into a tubular, sheet or linear permanent magnet materials for a variety of special applications.samarium cobalt magnet
    (3) ferrite permanent magnet material, which is the main component fe2o3 composite oxide magnetic materials (narrow) and magnetically ordered materials such as anti-ferromagnetic material (generalized). Which is characterized by high electrical resistivity, is particularly advantageous in high frequency and microwave applications. Such as barium ferrite (bafe12o19) and strontium ferrite (srfe12o19) and others have many applications.
    In addition to the above three categories permanent magnet materials, there are some manufacturers, have their own characteristics and applications of magnetic permanent magnet material. Permanent magnet materials such as powders, nano-magnetic materials, permanent adhesive plastic material (can be used in the refrigerator door closed), permanent magnet materials can be processed.
    Many kinds of soft magnetic materials and versatile, with five main types of magnetic properties:
    (1) high magnetic permeability. Permeability (symbol μ) is a measure of the magnetic field sensitivity;
    (2) low magnetic coercivity hc shows both susceptible to external magnetic field, and susceptible to demagnetization magnetic field, or other factors, and the magnetic loss is low;
    (3) a high saturation magnetic flux density and a high bs saturation magnetization ms. So easier to obtain a high magnetic permeability μ and low coercivity hc, magnetic energy density can be improved;
    (4) low magnetic loss and power loss. This requires a low coercivity and high resistivity hc;
    (5) high stability, which requires a soft magnetic characteristics for the degree of vibration and other environmental factors, and high stability.
    The soft key currently used materials are:
   (1) iron - silicon (fe-si) based soft magnetic materials, often called silicon is widely used in magnetic motor industry. The non-oriented magnetic system fe-si alloy (i), a single orientation fe-si alloy (ⅱ), bioriented fe-si alloy (ⅲ), special handling fe-si alloy (ⅳ) and amorphous fe- si-b material (v) the magnetic and electrical losses decreased with the age of the progress p.
   (2) Iron - Nickel (fe-ni)-based soft magnetic alloy is magnetic permeability μ and low coercivity hc good performance soft magnetic materials, has a wide range of applications.
   (3) soft ferrite materials, the advantage is very high resistivity can be at a high frequency and ultra high frequency of use in a variety of communications and electronics devices has important applications.
   (4) amorphous and nanocrystalline soft magnetic materials, soft magnetic materials, was developed in the late 20th century, a new soft magnetic materials. Amorphous soft magnetic material is characterized by the manufacturing process is relatively simple, a wide range of chemical composition, magnetic isotropic uniform and good (because there is no grain structure). The appropriate component of the amorphous soft magnetic material by the appropriate heat treatment, the amorphous state to be the grain diameter of nanoscale crystalline soft magnetic material, it can get a good soft magnetic material.
   (5) other soft magnetic materials. Select the appropriate chemical composition and suitable manufacturing process, can be obtained with a specific soft magnetic properties of soft magnetic material. For example, a high-energy and magnetization of iron - cobalt (fe-co)-based soft magnetic alloy with high electrical resistivity of iron - aluminum (fe-al)-based soft magnetic alloy with magnetic anisotropy and magnetostriction converges to zero Fe - Si - Al (fe-si-al) and so on.