Longyan Yifeng Machinery Technology Co., Ltd

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ACM 60 Roller Grinding Mill

The ACM series crusher is a kind of efficient & ultrafine impact crusher where crushing of materials and classification of crushed powder are separately performed, with the characteristics of compact structure, no over crushing, adjustable fineness of powder and simple & convenient maintenance, etc. Therefore, this kind of machine is widely applied for ultrafine crushing in various industries such as chemical, dye, coating, rubber, medicine, food, non-metal mineral and top end industries such as national defense, etc. Crushing of materials, classification and formation of finished product are all performed in the same closed system; with the process of dust removal, it is the environmentally friendly equipment at present.

Keyword:

Feed Size:

≤3mm

Production capacity:

0.5-1T/h

Application field:

Hardness less than Moh's 5 Non metallic Ore Mineral


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Description

This machine is applicable to ultrafine crushing of various brittle materials and it works best for materials with the Mohs’ hardness from 1 to 3. Due to its high rotating speed and large air input volume, this crusher is very suitable for crushing of heat sensitive materials such as synthetic resin, farm chemical, grain, Chinese herbal medicine and food, etc.

Being designed as required by various industries, insert materials used in its main engine include ceramic, stainless steel and carbon steel, etc. Materials used for its cyclone separator and its pipe system include carbon steel and stainless steel.

Working Principle:
Materials are sent through the feed port to the crushing chamber between the crushing part and the shunting ring by the screw feeder; driven by the high-speed rotating disk and hammer within the chamber, the materials are thrown out towards the fixed gear ring on the crushing part, thus they are hit to become powder; after that, under tensile forces from negative-pressure airflow, smaller particles among the crushed materials overcome their own weight, pass over the shunting ring and enter into the classifier chamber between the shunting ring and the classifier wheel. The classifier wheel is composed of vanes; it is driven to rotate by the motor and generates internal-circulation airflow. When the crushed powder tries to pass through the space between the vanes of the classifier wheel, it’ll be affected by three kinds of forces at the same time: they are the centrifugal force, the gravity and the pressure produced by the negative-pressure airflow; only the fine powder whose pressure from the negative-pressure airflow is bigger than the centrifugal force and the gravity can successfully pass through the classifier wheel and enter into the cyclone separator for packaging. While, the large powder, due to its big centrifugal force, is thrown out to the shunting ring and enters into the crushing chamber for re-crushing.

Process Flow Diagram:


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Performance and Advantages:


1. Low energy consumption: Integrating centrifugal crushing, impact crushing and extruding crushing, this machine is more energy-saving and saves up to 40~50% energy than other types of crushers;

2. High fineness: This machine is equipped with automatic divided-flow classification system;

3. Large feeding range: Feed size≤30mm; materials are only required to go through the primary coarse-crush machine;

4. Low abrasion: Cemented carbide wear-resisting materials are used for the quick-wear parts in the crushing part, with long service life; there will be no pollution when processing materials with the Mohs’ hardness ≤5;

5. Strong mechanical stability: It can work unceasingly for up to 24 hours;

6. Complete functions:
  It can be used for crushing of needle-shaped materials, reaching a length-diameter ratio of 15:1;
  With no temperature rise during the crushing, it is suitable for crushing of heat-sensitive materials;
  It can scatter the sintering & agglomerated ultrafine materials, with a recovery rate of up to 100%;
  With the function of shaping the particles, it effectively increases the stacking density;
  It can be used for crushing of fibre materials;
  It can be used for crushing of materials with high water content;
  It can be used for crushing of materials with strong viscosity;

7. Negative-pressure production is adopted, being environment-friendly and without dust pollution.

8. With high degree of automation and strong stability, its operation is easy.
 

Specifications:

                                                  Model

Parameter

ACM-30

ACM-60

ACM-90

Feed Size(mm)

≤2

≤3

≤4

Feed Material Moisture (%)

≤5%

≤5%

≤5%

Fineness

Mesh

325-800

325-1250

325-1250

Micron

18-45um

10-45um

10-50um

Output(kg)

100-300

500-1000

500-2000

Powder Consumption(KW)

Main motor

22

45

75

Classifier

5.5

7.5

18.5

Air blower

11-18.5

18.5-30

45

Feeder

1.5

1.5

3

Discharge screw

1.5

3

3

Compressed Air Tank(m³)

1.5³

Note: The above parameters regarding processing of calcite are used for reference only; there might be slight differences regarding different materials.

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