ACM grinding mill
Brief introduction.
The ACM series impact mill 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 the present.
This machine is applicable to ultrafine crushing of various brittle materials and it works best for materials with Mohs' hardness from 1 to 3. Due to its high rotating speed and large air input volume,this crusher is very suitable 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.
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 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, it thrown out to the shunting ring and enters into the crushing chamber for re-crushing.
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