Pin Mill


Pin Mill

Pin Mill is a impact pulverizer with a convertible pulverization knife. The equipment is made up of cross blade, oscillating movable impact hammer, fixed hammer style rotor, needle and stick style rotor, turbine style rotor and different sieve parts. The equipment is suitable for the pulverization of low and medium hardness material according to different blade, rotation ratio and power supply, the fineness is from a millimeter to 30 micrometer, the pulverization technical of the material can be adjusted according to different requirement. The equipment is widely suitable for the pulverization in many industries such as food, chemical, medicine, Chinese herbal medicine

Working principle of pin mill
Pin Mill uses the relative motion between movable and fixed teeth disc, and the raw materials is
grinded by the comprehensive actions such as impacted by teeth, friction, impact between raw materials.
Simple structure of Pin Mill:
It’s milling zone is consist of rotary pins and static pins. Particles hit these pins and get split. Particles can get abundant times of hit because there are several rows of pins. The rotary pins can suck airs to reduce the heat generated by friction. There is a air sealing device to protect bearing keep clean.
Advantages of pin mill
It comes with simple and solid structure, stable running, high grinding efficiency.
The crushed material can be discharged through the grinding chamber. Moreover, different size of
granule or powder can be got through exchanging screen with different mesh. Its inner wall is
processed finely, so it is smooth and level, which overcomes the shortcomings existed in the old model such
as roughness, accumulated powder.
It makes the production of medicines, foodstuff and chemicals and so on in conformity with the
requirements of state standard and GMP. Water cooling device, and convey or screw can be equipped
according to customer’s needs.
Main Technical Parameter of Pin Mill:
MTM200 MTM400 MTM630 MTM800
Rotor diameter(mm) 200 400 630 800
Power supply(kw) 5.5~1.5 11~30 22~55 30~75
Fineness(m) 3000~30
Output (kg/h) 10~300 25~700 50~1500 75~2000

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