The surface of the screen width determines the processing ability of sieving machine

The surface of the screen width determines the processing ability of screen, if the screen wide material through capacity; sieve surface length determines the efficiency of Linear vibrating screensurface extension, the longer the longer materials through screening, screening more thoroughly, however, long sieve to improve screening efficiency is not significant, but only the excess lengthened screen size.The current screen, thefeeding equipment  length, screen 3.5~4m coarse grained, screening 5.5~5.6m fine, dehydration, de mediated 6.5m.

Banana background screening industry

More and more types of food processing, food machinery also increased the types of bananas are also processed into Apron feeder flour thrown from the original film to be processed into the current process, make sure to use the banana flour shaker, I According to Belt feederthe company making use of existing customers a special sieve shaker banana flour

Sieve theory extension zhenyuan Feeding equipment distributor

Sieve theory extension screening distributor1, high screening efficiency, slot area is similar roller sieve seam above 10 times.2, uniform cloth, two forced cloth to ensure that the material into the crusher is a waterfall.3, the material is not required, including high water and slime had no requirements, no blocking device.4, forced removal of iron, to ensure the safe operation of the subsequent crusher.5, a machine in reality more than two qualified particle size sieving.6, forced sinusoidal wave conveyor, not plugging material. The Zhenyuan Mining vibrating screensurface conveying speed is greater than the incoming velocity. (completely solved the vibration sieve, bar Zhenyuan coal crushing plant, banana screen, screen plugging materials)7, to reduce the motor power greatly. The same sort of roller screen power consumption compared to save more than 30%.8, compact structure, convenient installation, simple maintenance, modification, replacement parts are not limited to the control of manufacturers.

Screening machine

Screening machine (sifter) screening machine using the relative motion of granular materials and screen surface, so that part of the particles through the sieve, the sand, gravel, crushed stone and other materials into different levels according to the particle size of vibration Linear vibrating screenequipment.Screening depends on the particle level screen surface, sub-surface grate sieve, sieve and sieve plate three. Grate suitable for screening large particulate material, grate gap is undersize 1.1 to 1.2 times the diameter, generally not less than 50 mm. Sieve plate punched from sheet, circular holes, square or rectangular aperture is generally 10 to 80 mm, long life, easy to plug for mining vibrating screenthe medium particles. Woven wire mesh or welded into the hole was a square, rectangular or elongated, generally used pore diameter is 6 to 85 mm, the mesh strip adapted to wet screening material, mesh is the advantage compared to the effective area large.

Feeder feeding characteristics and flexible application

Feeder works: vibrating feeder is the use of a vibrator in the eccentric rotation of the centrifugal force , so sieve hand, vibrators and other moving parts for the compulsory

round or nearly continuous circular Semi-mobile crushing plant movement. Materials in the car with the sieve sieve surface tilted for continuous throwing motion and are continuously

Evenly the material sent by the spout .

Feeder can be massive, granular materials from silos in uniform , continuous feed to the affected device . In the sand and gravel production line can feed the crusher

continuously complete crushing plant and uniformly to avoid the crusher discharge port by clogging . Feeder Uses: Widely used in mining, gravel field , metallurgy,

Building materials, chemical, mineral , coal and other industries crushing and screening production lines.

Vibrating Feeder Features: The machine structure is simple , stable vibration, feeding uniform, continuous good performance, exciting force is adjustable ; subject to change and

control the flow , easy to operate ; eccentric block vibration source, low noise , low power consumption less regulation performance , no red material phenomenon ; If using seal

Closed body to prevent dust pollution .

Feeder simple structure, easy operation, no run , small- power consumption ; evenly adjust to the amount of ore ; therefore has been widely used . Feeder is generally used for

loose material . According equipment performance requirements, configuration should be designed to minimize the material on the tank

Pressure , but also by the manufacturer requirements, effective Bunker discharge port shall not exceed one-quarter width of the material flow rate control in 6-18m/min. Feeding

capacity of greater material silo bottom row Part of the bar should be set high enough ore plate ; does not affect the performance of the feeder , stopped

Mine plate fixed on the tank should not . To enable a smooth discharge hopper , silo best designed rear wall inclination 55-65 degrees.

Knowledge related to self-synchronous vibrating feeder

In many cases , the vibration is harmful, but can take advantage of their characteristics meet certain requirements on the production , feeder is an example. Currently there are hundreds of types of vibration machines of different kinds, in the steel vibrating screen supplier industry, the blast furnace trough system for large-scale use of raw materials to the feeder . This article describes the

One kind of feeder to use, as a communication , wrong , please feel free counterparts .
A feeder Classification and working principle
    Feeder oscillating screen at excitation can be divided into : electromagnetic vibration to the Branch machine, vibrating feeder and inertial self-synchronous resonance feeder, although structurally different , they are all from the tank, exciter and damper composition , this paper introduces the use of self-synchronous vibrating feeder relevant knowledge , self-

Synchronous eccentric block feeder motor inertia force generated by the connection of the two axial direction of the offset , and the two direction perpendicular to the axis is superimposed on the connection of the exciting force , is this exciting force materials vibrate.
Two self-synchronous operation mode feeder
    When transporting friable material or powdered materials , often using materials sliding mode, that material is always in contact with the bottom of the tank , the tank each vibration cycle , the material on the slide for some distance , so that the tank continuous vibration at certain frequencies can be material handling to go . But this tank vulnerable

Wear and tear , so no special requirements when transporting crushed material , the use of throwing motion , that is the material continuously forward tank top toss for parabolic motion , and then fall back to bottom , every toss once, some distance ahead . This approach is characterized by wear tank lighter materials

Conveyor speed is higher. Most feeder Saikawa throwing movement.

Vibrating screens in various industries in the use of

Vibrating screens are from the hopper , vibration chamber , coupling and motor. Indoor oscillation by the eccentric wheel, rubber software , main shaft, bearings and other

components. Adjustable double roller crusher eccentric weight communicated by the motor drive to the spindle centerline , in an unbalanced state of the centrifugal force , so that the material

strength is varied Belt feeder form vortex in the sieve . Adjusting the amplitude of the hammer according to different materials and screen adjustment.

Vibrating screens works

Fundamentals lower ends of the shaft of the vibration motor system installed weight ( unbalanced weight ) , the motor force of the rotational movement is converted to horizontal

, vertical, inclined three dimensional motion ( D motion ) , then this motion to the sieve surface . Changing the phase angle of the upper and lower weight material in the

screen surface can change the direction of movement and trajectory , optimum screening results.



Vibrating Screen Features
1 , high efficiency, compact and durable design , any powder , mucus can be screening .

2 . Changer easy, simple , easy to clean .

3 mesh is not blocked , the powder does not fly, can be up to 600 mesh sieve or 0.02mm.

4 impurities, coarse material discharged automatically , can continuous operation.

5 unique grid design, screen use of time long , rapid screen changing only 3-5 minutes.

6 small size, less space and easy to move .

7 screen machines can reach five, recommended to use three .

Food industry: additives, starch. Edible chemicals, juices, dairy industry and feed industries.

Pharmaceutical industry: pharmaceutical intermediates , medicine .

Chemical industry: resin , paints, pigments, cosmetics industries. Metal , metallurgy , mining : powder metallurgy , construction, kaolin and so on.

Ceramics industry : lead oxide , quartz sand , mud , spray soil particles .

Pollution treatment: industrial wastewater treatment , waste oil , waste disposal , etc.

Cleaning sieve knowledge of details

I. Overview:
 Cleaning sieve with advanced level of impurity cleaning equipment . Its simple structure , small size , large output , wide application , good sealing performance . Helix angle

with adjustable playing board and cleaning sand vibrating screen brush , can be suitable for different impurity content of materials cleanup. Sliced ​​big screen cylinder and double door structure , so

that

Operation and maintenance simple and quick .
 Second, it works:
 The aircraft in the material fed vibrating sieve from the feed inlet screen cylinder , the playing board by rotating the impact and delivery role, so that the material in the agglomerate

material is broken up, and with the surface of a plate with a circular motion around the cylinder , the centrifugal force under the influence of the material is less than the

sieve sift quickly from the body lower discharge

Out of the machine, close the screen cylinder cleaning brush ready to hang on the sieve to remove material on the tube . Greater than sieve large miscellaneous transportation in

playing the role of the board under the direction of exports to the passage of large miscellaneous discharge.
 Third, the application areas:
 Mainly applied to grain feed processing, cleaning accessories cleaning, lumpy material dispersed, especially for use after the mixer as an insurance sieve .

Mobile cleaning sieve with high yield , cleaning effect is good , especially for large grain reserves for food preliminary cleaned to remove large complex, thin and light

miscellaneous impurities, impurity rate above 99%, improve food quality, favorable grain storage .

Vibration sieve sieve note when asphalt

Vibration sieve asphalt mixing machine is the main component , and the vibration sieve mesh is used to complete the screening process of the main working parts . To build high-

quality roads, must have high-quality asphalt mixing machine , and to ensure high-quality paving , it must use high-quality

Resistant mesh to ensure accurate grading , to prevent mixing phenomenon.
This article discusses wear weave mesh shield in the use of rotary vibration sieve elements and failure analysis . Because shields wear high carbon manganese steel wire mesh is

woven wear is quite good, generally sifted cycle 60,000 t or more, but fatigue is not enough, so in use sheets

Tight mesh oscillating screen is guaranteed life cycle of the key.
1 Guaranteed vibration sieve mesh tension is guaranteed at any time in the life cycle of the screen determinant found in actual use , some of the normal screen is not premature

damage is attributable to the use of the screen in a tensioned state could not caused . The reason may be the device and the dewatering screen two ways:
( 1 ) Equipment reasons
Rotary vibration sieve box in a long time deformation ; supporting or part of subsidence caused by welding desoldering sieve tensioning fact seemingly fixed bad ( not mesh

tension ) , the mesh generation of secondary vibration fatigue fracture .
( 2 ) Screen reasons
① tensioning bolts loose. Failed to timely tensioned mesh ;
② screen for too long, but not tensioned screens, both sides of the tension of the screen , curved edges size should generally be smaller than the distance of the screen box

walls 40 ~ 50mm, depending on the equipment before and after the tension of the mesh decide ;
③ Some mixing machine vibration sieve tensioning plate due reasons, curled portion sizes A and angle flanges have special requirements , dimension A is generally 35 ~ 40mm, if

the size of A requires less than 30mm, the flange angle requirement is less than 35 °, and the failure to produce the specific requirements made of the general form, is

Can not properly tensioned mesh prematurely due to damage . Mixing machines generally have three kinds of screen tensioning means . Either tensioning method , the screen must be

in the correct tension at all times ( to be checked at any time when it is used ) ;
( 3 ) bearing screen box a few uneven spring stiffness ( elastic uneven ) leaving the sieve box irregular jitter, will also affect the screen life.
Two main reasons for early damage sieve and troubleshooting methods
If vibration sieve mesh aperture and wire diameter mismatches , when small and wire mesh coarse , because knitting wire bending too large, causing material stress concentration

, but also make screen breakage during use . As long as users in the use of wear-resistant screen during some of the problems noted above ,

Will be able to give full play to wear mesh long life cycle, and good wear resistance and reduce production costs , and achieved good economic benefits.

In the pharmaceutical process applications which are used in screening machine

     Dedicated shaker pharmaceutical industry plays in the powder Circular vibrating screenscreening material reached the required particle size effect, for the pharmaceutical manufacturing industry is a rather special , all about the powder vibrating sifter is also relevant in the pharmacopoeia requirements .
Screening : a sieve particle size of the material particle size graded according to unit operations .
Raw material particle size after crushing its uneven require Sand screening machine only after mixing . In pharmaceutical production process, screening tools used a standard drug screening . Our drug screening based on Taylor standards and the " Chinese Pharmacopoeia" standard steel. Tyler standard length per inch with a

An aperture with a diameter of the sum of the number of ( approximate number ) plus unit mesh sieve as the name , such as every inch lengths on 100 single aperture diameter of a single called 100 mesh sieve . " Chinese Pharmacopoeia" provides for a total of nine sieve , sieve, sieve diameter of the largest on the 1st , the 9th sieve

The smallest diameter of the sieve .
Pharmaceutical industry screening machinery used in reference to the aperture is " Chinese Pharmacopoeia" made ??. Common screening machinery is circular vibrating sifter , electromagnetic vibrating sifter . Circular vibratory screening machine is mounted on the motor shaft two unbalanced heavy hammer, hammer the upper sieve

A horizontal circular motion , the lower weight makes sand net vertical motion occurs , thereby synthesizing three-dimensional transport vibration sieve . Material falling into the center of the screen , after screening , the screen above the coarse material from the outlet , screening out material from the lower part of the outlet line . Its diameter is generally pseudo screen

0.4 to 0.5 meters , each screen can be made ??of one to five .
Electromagnetic vibration sifter by the electromagnet , screen, frame, spring contacts and other components , the use of higher frequency and smaller amplitude vibration . Sieve fitted with rails , slide mounted on the carriage , on the border of the sieve supported electromagnetic vibration device, the screen slides back and forth along the motion .

Adding high-end materials from the sieve , coarse material from the screen at the next port discharge , the Department of material discharged from the screen below . High frequency machine , 3000 ~ 3600 times per minute , a small amplitude is only 0.5 to 1 , can be used in the screening of sticky medicine , the screening efficiency .

Rods feeder structure comprehensive analysis

Rods feeder structure is simple , no wear parts , the exciting force is relatively small , use, maintenance,banana screen  widely used in mining , metallurgy , building materials , chemical

industry , mineral processing, stone crushing , coal and other industries crushing , screening production line medium .
Rods feeder works
New feeder vibration motor , the series feeder for coarse crusher evenly before feeding , and because of the role of bar screen surface , but also get rid of dirt and other fine

materials , reaches a pre- screening capabilities to improve crushing capacity . The series Linear vibrating screen for primary crusher ago

Uniform feeding bulk materials , and because of the role of bar screen surface , but also to get rid of dirt and other fine materials , reaching pre-screening function, can

improve crushing capacity, especially suitable for building stone , the hydropower industry and metal ore crushing before feeding .

Measures shaker noise source

Coal is a major shaker Mobile crushing plant tool. Due to its own characteristics determines the normal operation must be achieved by vibrating sieve , but the vibration is the root cause

of noise , and high sound level , the sound source are many and complex . This research adopted a multi- point multi-

The simultaneous measurement of vibration and noise , and then recorded to tape drive vibration and noise signal spectrum analyzer via analysis and coherence analysis . Through

the plate, side plates , bearings and vibration exciter on the screen such as a spring steel used in the analysis of the main noise sources , noise proved shaker

Acoustic test results are reliable , the main noise source is the right to determine , for the CPP provides a theoretical basis for noise control .

They have made a noise reduction measures are as follows : Tightening shaker all the parts, especially the need for frequent replacement of the sieve, to avoid the loosening of

individual components of the additional vibration ; punching steel sieve will replace the elastic modulus small , low noise impact or polyurethane sieve

Rubber sieve ; side in the China Coal Ranbow Mortar Mixer Machine box , the feed to the discharge port, discharge port and splice rubber plate affixed inside the chassis , which can effectively suppress the

side panel high frequency vibration , reducing radiated noise ; using flexible spokes gears instead of steel gears , i.e. the gear plate of the rubber elastic body spoke pass

Delivery torque absorbing gear meshing , the vibration caused by gnawing ; replaced with a rubber spring steel spring , in order to reduce the impact ; in vitro installation

exciter soft insulation cover; the bearings to be damped between the inner and outer , the bearing rolling elements can be made into a hollow body or rolling

Rolling the hollow interior adding damping material, which can reduce the vibration of the bearing and lower bearing noise .

Future development of mechanical vibration

At present, vibration machinery and spare parts manufacturing enterprises only Xinxiang area alone more than 380 , but also showed a rising trend . In addition to Xinxiang ,

Nantong, Jiangsu in China , Henan Hebi , Anshan, Liaoning , Chaoyang also has a large vibrating machinery manufacturing enterprises. But these enterprises

Most of obsolete equipment, small scale, backward management . While the majority of screening machinery product homogeneity serious , low levels of product innovation ,

creating a market more competitive.

In this main surface , the domestic large-scale Sand screening machine machinery manufacturing enterprises have been actively exploring and began supporting the development of any product ,

such as dust ring , etc., and a user -based screening machinery forming a preliminary market . Products in this regard should be strengthened in future R & D investment and

market expansion

Development investment, the piece has long-term development potential market bigger and well. Objectively speaking , dewatering screen manufacturing enterprises do not belong

to a sunrise industry , seek multiple perspectives diversification has become an inevitable development strategy. Currently, screening machinery production run from the whole

process point of view, with a high

Energy consumption, heavy pollution characteristics ( mainly dust pollution , water pollution and noise pollution ) , apart from the technical ways to reduce energy consumption

and screening machinery products , more should be considered in accordance with industry related links, developing series of complementary products within the enterprise to form

a small production

Circulation, such as pollution, pollution control .

Since the central coal , mining, metallurgy , chemical industry , screening machinery may face saturation trend, screening machinery as the main products in the vibration

machinery manufacturing enterprises , in addition to maintaining the current shaker manufacturing advantages, but also related industries in this area to expand

Such as pilot projects with a vibrating machinery such as vibrators , etc., to use their existing technology and financial advantages conquer new markets , to seek new profit

growth point.

feeder is an economic and technical indicators advanced feeding equipment

F motor feeder, also known as feeder. ZZF feeder in the production process, can the massive, granular materials from storage silos in uniform, regular, continuous to go to the

affected device, powder feeder in the sand China Vibrating Screen and gravel production line for crusher evenly continuous feed

Material, and coarse screening material, GZG vibrating feeder is widely used in metallurgy, coal, mineral processing, building materials, chemicals, abrasive and other

industries crushing and screening equipment.

    Vibrating Feeder is a kind of Semi-mobile crushing plant economic and technical indicators advanced feeding equipment, and other feeding equipment compared with the following characteristics:
      1, powder feeder, small size, light weight, simple and compact structure;
      2, installation, maintenance, operating costs to win;
      3, vibrating feeder, high efficiency, feeding capacity;
      4, low noise, improves the working environment;
      5, low power consumption, high power factor;
      6, the device far more resonant mode of operation, thus amplitude stability, reliable operation, strong adaptability to a variety of materials;
      7, plus with turtle wish Kui curtain drops need to adjust the eccentric rock mining can be easily stepless feeding amount.

Large jaw crusher main bearing replacement repair process

Generally large jaw crusher main bearing mostly used off sliding bearings, bearing lined mostly by Babbit made this bearing scraping the higher technical requirements, poor or

scraping gap adjustment improperly Research watts or Burnt accidents. 1 Remove the old tile banana screen should

Do the work
 (1) bearing joints old tile measurement port shim thickness.
 (2) measuring spindle levelness.
 (3) Carefully check whether the spindle is smooth, whether there is rust, bumps and other defects, if any, should try to eliminate.
 (4) bearing the old tip clearance measurement, and the axial clearance backlash.
2 detection jaw crusher tile back case and bearing contact
  According to "JB/T5000.10-1998 heavy machinery assembly general technical conditions" requirements, it must be good scraping tile back to reach the technical requirements.

Otherwise, the equipment operation between the bearing and the bearing prone reverse slip or turn. To prevent this from happening,

Generally using pin and sleeve positioned.

3 bearing scraping the technical requirements
  According to heavy machinery assembly general technical conditions" in the requirements, the spindle scraping should meet the following technical standards.
(1) both the spindle and bearing uniform fine touch, but also with a certain gap, so that the upper and lower contact angle with the spindle bearing portion is formed outside

the oil wedge and the wedge from tile mouth began a gradual transition from maximum to zero.
(2) the contact angle is not too large nor too small. The contact angle is too small, the pressure pad will increase, serious cause greater deformation pad, accelerated wear,

shorten the service life; contact angle is too large, it will affect the film formation, damage to the lubricating effect. Therefore, without affecting the bearing

The conditions set pressure, the contact angle the sand vibrating screen smaller the better.
(3) within the scope of the contact angle the more actual contact spots, more detailed, the more uniform the better.
4 main bearing scraping
  Scraping shaft bearing should be the basis, both on the research carried out after the use of bore scraper scraping. Scraping the beginning of the procedure is to first

scraped tiles, tile and then scraping the beginning, and then fine scraping the entire tile, scraping the side of the gap, and the last point of the oil. Bush can generally be

divided into rough scraping scraping. Scraping and scraping three fine finishing process.

Scraping should be used to take the first re-light, scraping heavy to stay light, scratch big to stay small principle. In scraping bush, not only the contact point, the contact

angle meet the technical requirements, but also to make the top. Side clearance to achieve the specified value.
(A) the upper and lower watt coarse and fine scraping
First, the two under the tile installed in the bearing, and then coated on the spindle display agents (such as red lead powder, red Qian oil), mounted on the spindle bearings,

two or three times to the positive and negative direction of rotation, Then remove the spindle, according to the bearing points on the distribution of colored rough scraping.

Rough scraping order

Segment can be positive rake angle scraping. Hand can head a few times heavier, multi-scrape some metal in order to accelerate the progress of scraping. When the contact area of

​​50%. These fine scraping. In the fine stage can be a small rake angle scraping scraping knives and bearing centerline trace should be a 45 ° angle, scraping can not use

excessive force

, To prevent the knife traces generated ripples. Scraping knife to trace around the cross, until the contact angle of contact spots within the uniform clouds, horizontal spindle

error in 0.2mm / m far between. On tile thickness scraping methods and requirements under the tile of coarse and fine scraping method requires basically the same. Do not

Is put on the same tile on the research carried out on the top of the spindle.
(2) the upper and lower watt fine scraping
Upper and lower watts through thick and thin scraping, the contact spot is still large, the need for further refinements. First, the upper and lower joints by adding tile tile

mouth gasket, the spindle, the tile locating pin installed, tighten the screws, so that the direction of rotation of the spindle in the normal running laps, and then removed the

tile

, Hanging spindle go for lapping work. Scraping, it is best to use negative rake angle scraping until the contact surface of the contact pattern meets the technical requirements

so far
(3) side clearance and keep scraping oil spots
After finishing scraping, scraping side clearance and should be kept oil spots. Scraping side of the gap, the ends should be set aside as part of the sides to prevent the

outflow of oil from the tile, thus ensuring the bearing lubrication. In the tile contact portion between the contact portion and not to be rendered gradual transition; not have

clear boundaries. Then

In the bearing contact point arc scraping of the oil, the oil remaining in point is used to store oil. Save oil spots can be round or flat, depth is generally 0.3 ~ 0.5mm, an

area of ​​15 ~ 30mm2, the total area should not exceed scraping of the oil on the contact point of the arc, save points are used to store oil lubricants. Deposit

Oil spots can be round or flat, depth is generally 0.3 ~ 0.5mm, an area of ​​15 ~ 30mm2, the contact area of ​​the arc should not exceed 1/5.
5 bearing clearance measurement and adjustment methods
  Oil wedge bearing clearance determined thickness, and affect the operation of the spindle accuracy. Excessive bearing clearance caused by equipment vibration, reduce equipment

life; bearing gap is too small will result in Burnt. Therefore, a reasonable conditioning bearing clearance is an important issue that must to reach the required standards
(1) Adjustment of tip clearance measurement method C
Can change the height of the top bearing clearance at the tile joints to adjust the thickness of the spacer opening. The fewer the number pad, the pad compaction better

equipment running more smoothly, so to ensure the case does not appear Burnt, gaskets better. Tip clearance measurement methods commonly used pressure to lead France

Measurements.
(2) side clearance adjustment and measurement methods
And the journal bearing gap between the side, which is usually measured using feeler gauge. When measuring feeler inserted into the gap in the length of the major axis diameter

of not less than 1/4 of a side bearing joints equal gap should be uniform.
(3) axial clearance measurement method
Bearing axial clearance is generally measured with a feeler.
  After years of practice, we believe that the top bearing shaft clearance should be 0.15% to 0.2%, the backlash should headspace of 60% to 100%, the axial clearance should be 1

~ 3mm for the best.
6 assembly and commissioning
  When assembling, we must first bearing, journal, and lubricant oil collector piping clean. Then the main bearing, connecting rod, etc. assembled. Install belt should make it a

little higher than normal operation loose a little. Test, first start pumps, oil and make a little when compared with the normal operation

Larger. If the testing process does not appear significantly increased and the current oil temperature significantly increased the phenomenon, it shows successful repair, the

equipment can be put into normal use.

The purpose of crushing

Solid material under the action of external forces, overcome the cohesion of the material, the large particles broken into small particles is called pulverization. Material

crushed by the crusher and mill to accomplish the purpose of crushing as follows:

1. As for homogenizing pulverized, increasing the surface area of ​​the material. Because of the large particulate material banana screen broken into fine powder state so that can be of several

different solid materials (mainly different chemical composition) is mixed to obtain a good uniform results.
2. With beneficiation of mineral resources development and utilization of increasingly lower ore grade, ore in order to obtain the active ingredient, requires a lot of ore

processed through beneficiation to take advantage of. And selected ore refractory ore more and more useful component ore closely integrated with the impurities in a

Since, for the decomposition of the active ingredient from the ore, as long as it sufficiently pulverized, after processing in order to separate the useful component with

impurities and removing impurities, than the pure concentrate.
3. Particle size classification in industrial production, due to the specific production process requirements, must meet its mill product size
4. Increase of specific surface area of ​​the material surface area per unit mass or volume of the material of the surface area, the smaller the particle size of the material the

greater the specific surface area. Increase the specific surface area of ​​the material the material can contact area with the surrounding medium increases, so that the reaction

speed. For example, the catalyst then

Touch response, combustion and gasification of solid fuels, materials dissolution, adsorption and drying, as well as in the chemical industry on the use of fluidized bed powder

particles large contact area to enhance the mass transfer and heat transfer, etc. In addition in the cement industry in the final product - together with gypsum cement clinker

powdered state, crushed

The finer the particle size, the greater the surface area, the higher the reference numeral cement.
5. Superfine With modern industrial developments, new materials development, the need to grind very fine material (10μm less). To meet the fine ceramics, electronic materials,

magnetic materials, catalysts and other emerging industrial needs. Currently using superfine mill - with high-speed impact powder

belt weigh feeder, extreme pressure mill, high pressure grinding.

Jaw crusher working principle and characteristics

Jaw Crusher Working Principle: The structure of jaw crusher main frame, eccentric shaft, big pulley, flywheel, movable jaw, side guard, elbow board, elbow board seat, adjusting

screw gap, the reset spring, fixed jaw jaw plate and activities, etc., which also play a role as insurance bracket. The Department

Column jaw crusher for the song moving extrusion type, motor-driven belt and pulley, through the eccentric shaft to move the jaw up and down movement, when the movable jaw rises

between toggle plate and moving jaw angle becomes larger, thus promoting the movable jaw plate close to the fixed jaw mobile screening plant plate, while the material is squeezed, rubbing, grinding

and other

Heavy broken; when moving jaw down, the toggle plate and moving jaw angle between, moving jaw plate lever action of the spring to leave the fixed jaw plate, then the crushed

material from the crushing chamber under the discharge port, with the motor jaw crusher motor for continuous rotation of the crushing and nesting periodicity, to achieve mass

production

. Jaw Crusher Features: 1. Crushing chamber crushing plant depth and no dead zone, increased feed capacity and output; 2. Their crushing ratio, uniform particle size; 3. Gasket nesting

population adjustment device, reliable and easy to adjust range, increase the flexibility of the equipment; 4. Lubrication System security

Reliable, easy to replace parts, maintenance workload is small; 5 simple structure, reliable operation, low operating costs. 6 energy-saving equipment: stand-alone energy-saving

15% to 30%, saving more than double the system; 7 nesting population adjustment range, to meet the requirements of different users; 8 low noise, less dust