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  • Limestone Grinding Mill

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    Negotiable

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    The date of payment from buyers deliver within days

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    Fujian

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    Long-term effective

  • Last update:

    2020-08-08 14:30

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    128

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    Company Profile

    Hengtu Machinery Co., Ltd

    By certification [File Integrity]

    Contact: hengtu(Mr.)  

    Email:

    Telephone:

    Phone:

    Area: Fujian

    Address: Fujian

    Website: http://www.stonegrindingmill.net/ http://hengtu.qzgmjx.com/

    Product details

    YFM Series Grinding Mill

    I.Brief introduction.

    YFM series grinding mill is a new-type grinding mill developed by our company for decades, combining rolling, impacting and grinding to one. It is an ideal ultrafine ground calcium carbonate grinding mill for deeply processing non-metallic minerals which hardness less than Moh's 5, such ascalcium carbonate, barite, talc, gypsum, calcite, limestone, calcium oxide, bentonite, dolomiteetc. The finished particle size can reach 325-3000 mesh(3.5-50 microns).

    II.Working principle.

    When operating, therawmaterial is fed continuously from the input system into pulverizing chamber,the material will be fully pulverized after impacting, pulverizing, grindingand concussionby the grinding wheel;thenthe pulverized material is conveyed to the classifying chamber to be classifiedaccording to their particle size. The qualified particle will go into cyclone separator through grading wheel, and then go out to be product. A littleunseparated powder will be collected by high-effective dust collectorthen putoutto bequalifiedproduct.During this period, the whole system is workingunder negative pressure, the air which is cleaned by dust removerwill goout through high-pressure air-introduced machine, and no dustwilloutto the air.

    III.Advantages.

    1. Environment friendly without pollution:

    Adopting the complete set of negative-pressure production and high efficient off-line deduster ,its dust collection efficiency reaches up to 99.9%,which guarantees no dust pollution during operation. Moreover, the main unit and the air blower are respectively equipped with the noise-reduction housing and the muffler so as to decrease the noise, which is completely in conformity with the national environmental protection standards.

    2.The power distribution cabinet installment is automatic control:

    it canavoid human factorto make mistakes, guaranteeing the quality of productis stable, lengthening the service life of equipment, reducing the operators and the cost.

    3.Installation of the complete set of equipment is convenient:

    No need large-scale construction, it covers only small area. It can be put into production as soon as we finishing installing. It can run smoothly and reliably. It is used for grinding non-metal mines with Mohs’hardness scale less than 5, moisture less than 3% and Max. input size 10 mm.

    4.Both product size and fineness are guaranteed:

    The new YFM grinding mill is able to reach a product fineness of 325 mesh-3000 mesh one time, while the traditional Raymond mill can only reach a fineness of 400 mesh for the most. It can be used for all kinds of grinding from coarse crushing to ultra fine grinding, with the largest fineness of up to D97≤3 micron, which drives the revolution in the field of ultra-fine grinding.

    5.It has high-effective cyclone system and dust remover. The dust remover has excellent dust removing effect, it won’t be blocked. The product comes out from the cyclone system and the dust remover can do both separately packing or gather together then do packing.

    6.The main body and its electrical machinery are installed separately to make sure the grinding machine can work more stable.

    7.The grinding motor is controlled by a soft starter. By this can save powder and give a better protection.

    8.The fineness of the product can be transformed quickly if you want to produce the different products in different particle size; the stability of the product is good.

    9.Low investment cost and high output efficiency. Compared to ball mill, air-flow mill and stirred mill, YFM grinding mill has the advantages of lower investment and shorter processing circle, and its finish fineness/efficiency ratio is more than twice that of the machines mentioned above for the same fineness.

    10.Low maintenance cost and simple operation. Compared to Raymond mill, YFM grinding mill has no bearings but the high-hardness wear-resistant material developed by our company within the grinding chamber, which not only avoids chronic consumption of oil and burnt bearing but also guarantees the continuous and reliable operation of the machine.

    11.This equipment is sophisticated and stable. Continuous improvements have been made within the decade since the establishment of our company;the complete machines from its materials, its processing to its assembly , is completely self-produced, which forms as the benchmark for the crushing industry and becomes the one being simulated at domestic market and oversea market.

    Ⅳ Flow chart.

    Flow chart for other models of YFM-86 and YFM-318 is nearly the same.

    V.Specification.


    YFM-86

    YFM-198

    YFM-318

    Feeding materials size(mm)

    ≤10

    ≤10

    ≤10

    Material moisture %

    ≤3

    ≤3

    ≤3

    Finished fineness

    mesh

    325--3000

    200--2500

    200--2500

    micron

    3.5--45

    5--50

    5--50

    Output(kg)

    500--4000

    800--7000

    1700--12000

    Motor power          Consumption(kw)

    Main motor

    75

    132

    185--200

    Classifier

    18.5--22

    30

    45--75

    Air blower

    45--55

    55--75

    132

    Feeder

    1.5--3

    1.5--3

    3

    Discharge screw

    3

    3

    3--6

    Air compressor(m3)

    1.5--2

    2

    2

    Dimension(mm)

    12000*3100*5900

    14000*3800*6200

    15800*5800*7300

    Weight(T)

    17

    23


    Note: The above parameters are tested by calcite for reference only,there might be slight differences regarding to different materials.

    VI.Power consumption


    YFM-86

    YFM-198

    YFM-318

    Mesh No.

    Output kgs/H

    Power consumption Kwh/T

    Output kgs/H

    Power consumption Kwh/T

    Output kgs/H

    Power consumption Kwh/T

    325



    6000-6500

    30

    10500-12000

    30

    400



    5600-6000

    35

    9500-10500

    35

    600

    2000-2200

    50

    3800-4200

    45

    6500-7200

    45

    800

    1600-2000

    60

    3600-4000

    55

    6000-6800

    55

    1250

    1200-1600

    80

    2200-2300

    75

    3700-3900

    75

    1500

    800-1000

    105

    1500-1800

    100

    2500-3100

    100

    2500

    500-700

    150

    1000-1200

    160

    1700-2000

    160

    3000

    400-600

    170

    700-900

    180



    Note: The above parameters are tested by calcite for reference only,there might be slight differences regarding to different materials.

    VII. Main composition.

    Part 1: Main unit (Grinding system)

    Raw material is fed into grinding chamber via feed port of upper part, then be grinded between rollers and grinding rings into powders. Powders are blowed into upper part. Qualified particle goes into powder collecting system through classifier wheel, others fall and be grinded again.

    Part 2: Deduster (Powder collecting system)

    In reverse-pulse-jet baghouses, individual bags are supported by a metal cage, Dusty air enters from the bottom of the baghouse and flows from outside to inside the bags. Bags are cleaned by a short burst of compressed air injection. The powder falls into a storage hopper below. This collecting system works with the help of digital sequential timer (PLC) attached to the pulse valves.

    Part 3:Electric control or PLC system

    Adapting domestic top level electric components/or Siemense/Or schneider, after 20years' testing. Our electric control or PLC system is veryeasy to operate, fully automatic operation, and one button stop, It's also easily adjust. Buyer only needs to adjust current and frequency with visible digitals to reach different particle size from 325-3000 mesh.

    VII.Packing and delivery.

    http://www.stonegrindingmill.net/

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