grinding equipments

7/28/2019 Grinding Equipments

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Serial No.:GEMO2013.1.1

Grinding Equipments

I N D U S T R I A L C H A N N E LChannel for Quality


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1.Mills1.1HGM Micro Powder Grinding Mill

Brief Introduction

HGM Series Micro Powder Grinding Mill is a kind of equipment which produces fine and superfine powder. It issuitable to process non-flammable and non-explosivematerials with moisture less than 6% and Mohs' hardnessless than 9 such as calcite, chalk, limestone, dolomite,kaolin, bentonite, talcum, talc, magnesite, illite, pyrophyllite,vermiculite, sepiolite, attapulgite, rectorite, diatomite, barite,gypsum alum earth, graphite, fluorite, variscite, potash, ore,floatstone, etc.

Features1. High efficiency 2. Long lifetime of wearing parts3.Reliable performance 4. High fineness of finishedproduct 5. Environment friendly.

The whole system of HGM consists of main unit,deceleration machine, blower, hammer, crusher, dustpanelevator, electro-magnetic vibrating feeder, impulse dustcleaner, piping device, cyclone collector device, classifier high-pressure motor and muffler.Working principal

The main motor drives main axle and every layer rotating byreducer. Dial drives numbers of rollers rolling and rotating inthe ring by pintles.Big materials are crushed into smaller particles by hammer crusher. They are sent to store house by elevator. Theelectro-magnetic vibrating feeder sends the materials evenlyto the middle of the upper dial. Under the force of theeccentricity, the materials scatter to the side of the circle andfall into the ring to be pressed, crushed and milled intoplaces by roller after the first crush, materials fall into the

second and the third layer. The pumping of the high-pressure centrifugal blower put the outside air into themachine. The coarse powder will be brought into theclassifier.The rotating turbine in the collector makes the coarseparticles fall back for regrinding. The fine particles will comeinto the cyclone collector with the airflow and be dischargedby the discharging valve on the bottom of the collector. Theyare the final products. The airflow with little dust will bedischarged through blower and muffler after being purifiedby the cyclone collector.

Item

21 27

800

1x3

180-250 150-200

47-5/325-2500

4500-400

13.5x4x6.5 18x4.5x8.6

6500-900

47-5/325-2500


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1.2 MTW European TypeTrapezium Mill

MTW European Type TrapeziumMill is the newest grindingequipment which enjoys manypatented technology andreaches the internationaladvanced level. It is theup-to-date grinding equipmentdesigned by our devotedresearch team, basing onfeedbacks and advice from 9518mill customers and richexperience on mill research. The

mill enjoys several patent technologies, such as bevel gear overall drive, inner automatic Thin-Oil lubricating system,arc air channel, etc.

Working principle

Firstly, raw material should be crushed by jaw crusher to thesize specified, and then the crushed stuff is elevated into ahopper from which the stuff is loaded, through the vibratingfeeder, evenly and continuously into the grinding chamber for power-processing. After this, the ground stuff is carried

by the air into the separator for screening. The fine powder are blow into the cyclone collector and are poured outthrough the output-powder valve as the final products andthe rough stuff after the screening will be recycled back intothe grinding chamber for regrinding. The set's airflow systemis closely sealed up and circulated under condition of negative pressure.

The new technology as below

1) Bevel gear overall drive : The traditional grinding mill isdriven by speed reducer and coupling. It is hard to beinstalled. And there will be too much noise, and theefficiency is lower. MTW series mill is driven by bevel gear,so its structure is compacter, easy to be installed and moreefficient.

2) Inner automatic Thin-Oil lubricating system : Thetraditional mill adopts grease lubrication, so the lubricatingresistance is stronger, the temperature will be higher soon,and the bearing lifespan is shorter. MTW series mill adoptsinner L.O. pumps, so the main shaft bearing and bevel gear can be lubricated without an additional lubrication system.

3) Arc air channel All of the air channels of traditionalgrinding mill is upright board type. In this case, there will bestronger resistance when the air impacts the air channelboard, and the energy of collisions of air molecules loseheavily, as a result, the air channel will be jammed easily

because of the eddy air flow. MTW series mill adopts acambered air channel, the tangential air goes into air channel easily because there is small resistance. And theinner outlet is very good for the grinded material to spreadaround and avoid grinding material jammed.

4) Cambered shovel with renewable edge : The traditionalshove is integral and edge always be worn out quickly, soyou have to renew it in short time which affects the workingtime and wastes too much steel. The shovel edge of MTWseries mill adopts high wearable limit alloy, its life will belonger. You only need to change the edge, not the wholeshovel. So the steel material is saved. In addition, becausethe traditional shovel is plane type, the grinded materialstacks on the same plane when it is scooped up. So themiddle parts of the roller are worn out heavily. But thecambered shovel can scoop up the grinded material in thesame vertical plane, which makes the rollers and rings wornequally. At the same time, the grinding efficiency is higher and capacity is higher;

5) Separated cyclone : There is a separated structurebetween inner piping and mixed air and powder. Theefficiency and precision of classifying is promoted highly;

6) No resistance snail shell (small checking door so thatthere is not an eddy air flow) : In the traditional grinding mil,the checking door of snail shell is prominent, that means thechecking door and snail shell are not on the same plane. Sothere will be eddy air flow easily come into being. As a result,the energy waste is bigger. MTW series mill make the inner

surface of checking door stay with the inner surface of snailshell on the same plane, so the eddy air flow is avoidedefficiently.

7) Perfect outward appearance : Both of the inner part andouter part of the MTW series mill adopt advanced structureand beautiful arc structure design. This makes the milladvanced and beautiful.




1.3 LM Vertical Mill

Brief introduction LM-series vertical mill is one advancedMill, adopting top technology of domestic and abroad, andbased on many years' mill experience. It can crush, dry,grind, and classify the materials. It can be widely used insuch industries as cement, electric power, metallurgy,chemical industry, non-metallic mineral. It is used to grindgranular and materials into powders with required fineness.

Working PrincipleMotor runs under the condition that speed reducer drives theNether millstone. The materials fall into the center of devicethrough lock air feeder, and hot air comes into mill throughair inlet. Under the function of centrifugal force, the materials

when they come by the annular chute. The grinded materialswill be taken up by air circulation and the bigger powders willfall down for regrinding. Qualified powders will be collectedby collecting device as to be final product. Materialscontainting water will be dired to be requirement through

Model Quantity of Roller (pcs)

Inner Dianeter of Ring(mm)

Rotary Speedof Main Frame(r/min)

Max FeedingSize (mm)

FinishedSize (mm)

Capacity(t/h)

Overall Dimension(LxWxH)(mm)

Capacity(t/h)

MTW110 4 1100 120

96

75




adjusting the temperature of hot air. Adjusting the separator can get the required fineness powders.

Main Features1. Low Investment Cost This mill itself can crush, dry,grind, classify, so the system is simple, and occupation areais about 50% of ball mill system. In addition, it can beinstalled outside, so it will reduce a large number of investment costs.2. Low Operation Cost (1) High efficiency: roller compacted materials directly onto the grinding disc, sopower consumption is low. Compared with ball mill, it savesenergy consumption by 30%-40%. (2)Less wear and tear:

As the roller is not in directcontact with the disc, and material of the roller and liner is of high quality, so life time is long.

3. High Drying AbilityAs the hot air inside contacts directlywith the material, drying ability is higher, and it saves energy.By regulating the air temperature, it can meet requirementswith different humidity.4. Simple and reliable operation (1) It is equipped with

automatic control systems, so remote control makes it easyto operate. (2) It is equipped with one device, which preventsthe roller from contacting with the liner directly, and avoidsthe destructive impact and severe vibration.5. The stability of product quality As the material stays inthe mill for a short time, it is easy to detect and control theproduct particle size and chemical composition, to reduceduplication of milling, stable product quality.6. Maintenance convenience By repairing fuel tank,rotating the arm, it is fast to replace the roller sleeve, and

liner, reduce the downtime loss.7. Environmental protection It is with small vibration, lownoise, and the overall sealing. The system works under negative pressure, so there is no dust going out. It meets therequirements of the state Environmental Protection.

ModelMicron Mesh

FinalProductMoisture

BestInputMoisture

Inlet Air Temperature()

Outlet Air Temperature()

Main MillPower (Kw)

Overall Dimension(LxWxH)(mm)

Weight(t)

Max InputMoistrure

Output FinenessDiscDia(mm)

Capacity(t/h)

LM130K 1300 10-30 170~45 80~325 70~95 185~220 48

75

90

100

125

160

3500x3400x5800

4200x3900x7100

4700x4500x8300

8500x5600x8800

10200x6700x10600

11700x7700x12200

250~280

355~400

450~500

710~800

800~900

70~95

70~95

70~95

70~95

70~95

1%


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1.5 The Introduction of T130x SuperfineGrinding Mill (Enhanced Version)

FeaturesTI 30X superfine grinding Mill (Enhanced Version) withinnovative design is a new-type grinding machine evolvingfrom the original product-TGM Super Pressure TrapeziumMill. It has the following characteristics:

1. The main frame and the base are completely soft-linked toavoid vibration so that the precision of the classifier isimproved.

2. The base is made of anti-crack nodular cast iron whichboasts high intensity, good anti-vibration ability andexcellent impact resistance.

3. Its equipped the reducer that adopts the technology of German Flender, thus the machine's stability is guaranteed.

4. The main frame and reducer are connected by pincoupling with elastic sleeve to enhance the reliability of thewhole equipment.

5. The classifier adopts high density impeller which canimprove the fineness and capacity. It also adopts frequencycontrol of motor speed with the characteristic of high degreeof accuracy.

6. Bypass powder collector is of low pressure loss and highefficiency.

7. The equipment employs the technology of SameResistance Arrangement which decreases internalcirculation and increases the efficiency.

8. The discharges of the collector and dust remover are inthe same line which is convenient for packing. It alsoreduces the amount of work.

Item Unit

(pcs) 4

410 x 210(mm)

(mm)

(rmp)

(mm)

(t/h)

(t)

(mm)

Specifications&Technical Data

Quantity of Roller

Diameter of Roller x Height

Diameter of Ring x Height

Rotating Speed

Max.Feeding Size

Output Size

Capacity

Weight

103

0.074-0.038

4-13

18


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1.6 Ball MillBrief Introduction

Ball Mill is suitable to grind various mineral and other materials, which is widely used in various industries such asbeneficiation, construction materials, chemical industry, etc,it has two ore grinding ways: dry way and wet way. According to discharge type of finished powder, it can bedivided into two kinds: grid type and overflow type, Ball millis widely used to process cement, silicate product, newbuilding materials, fireproof materials, fertilizer, ferrous andnon-ferrous metal ore beneficiation, glass, ceramics, etc.

Working Principle

Materials enter into the first grinding chamber throughhollow shaft. There are liner of ladder type or curve type, andsteel balls of different specifications in the first grindingchamber. The centrifugal force caused by turning of thebarrel take balls into a certain height inside the chamber,and then balls fall down, have striking and grinding effect onmaterials. Materials after primary grinding in the firstgrinding chamber is fed into the second grinding chamber through single layer chamber dividing plate. There are flatliners and steel balls in the second grinding chamber. Theballs make further grinding effect on materials. Finishedpowder which meet

Model Rev.of Barrel(rpm)

Max.Ball Load(t)

Feed Size(mm)

Finished Size(mm)

Capacity(t/h)

Power (Kw)

Weight(t)

900 x 1800 42

41

36

32

32

27

27

26

26

26

21

21

31

1.4 0.075-0.89

0.075-0.89

0.65-2

0.075-0.6

0.074-0.4

0.074-0.4

0.074-0.4

0.074-0.4

0.074-0.4

0.074-0.4

0.074-0.4

0.074-0.4

0.074-0.4

0.074-0.4

1.1-3.5

1.5-4.8

1.6-5

1.6-5.8

2-7

3.5-8

3.5-10

4-12

6.5-15

6.5-22

10-20

16-50

18.5

22

30

45

55

75

110

132

160

210

210

245

380

3.6

4.5

11.5

12.8

13.8

17

21

24.7

28

34

36

48.5

56

20

20

25

25

25

25

25

25

25

25

25

25

25

2.5

3.5

5

5.5

10.5

15

13

23

25

30

33

6.8

900 x 3000

1200 x 2400

1200 x 3000

120 x 4500

1500 x 3000

1500 x 4500

1500 x 5700

1830 x 3000

1830 x 6400

1830 x 7000

2200 x 5500

2200 x 7500

Specifications

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