First, the working principle
1. Knife crusher: The blade cuts the material, cuts it into small pieces, and then separates the required powder through the screen.
2. Hammer crusher: The hammer head rotates at high speed to hit the material, breaking it, and separating the powder through the screen.
2. Scope of application
1. Knife crusher: suitable for materials with high hardness, such as branches, leaves, plastic, rubber, wood, bamboo, etc.
2. Hammer crusher: suitable for low hardness, fragile materials, such as limestone, gypsum, coal, glass and so on.
3. Advantages and Disadvantages
1. Advantages of knife mill:
(1) Uniform cutting size, suitable for processing larger materials;
(2) The blade is easy to replace and easy to maintain;
(3) High production efficiency, energy saving and environmental protection.
Cons:
(1) Cutting blades are easy to wear and need to be replaced or repaired frequently;
(2) Not suitable for handling wet materials;
(3) The noise and vibration generated are large.
2. Advantages of hammer mill:
(1) High breaking efficiency, suitable for handling fragile materials;
(2) can handle various hardness of materials;
(3) Suitable for handling wet materials.
Cons:
(1) The particle size is not uniform, easy to produce fine powder;
(2) Large noise and vibration in the production process;
(3) The hammer head is easy to wear.
Iv. Conclusion
Knife mill and hammer mill have their own scope of application and characteristics. When choosing a crusher, it is necessary to choose the equipment suitable for you according to material characteristics, production requirements, equipment maintenance and other factors.
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