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Three back plate crusher, such as Hardopact counterattack crusher and the PWC-B1314 low turn number three chamber crusher, made 2PF1212 type crusher, impact crusher with three back plate crusher and PFQ vortex machines. Crusher with three back plate due to an increase in the number of the crushing chamber can enhance the selectivity broken, increasing the crushing of the material. Therefore, through the addition of the crushing chamber, to take a lower rotor speed of rotation, not only can reach the crushing effect usually requires a higher rotation speed to achieve, but will also result in the product is too large particle size reduction and plate hammer wear lower.
For example, the two cavity crusher needs 36 ~ 40 at m / s speed to reach the broken speed and processing capabilities, and only need 22 ~ 30 m / s speed to three cavity (three back plate) crusher. In addition, the crusher material crushing counterattack route length depends on. With three back plate crusher counterattack line growth, crushing ratio is relatively large, can be more fine-grained level of the product, but its complex structure.
The inner surface of the back plate equipped with a serrated and flat-shaped liner, liner shape of the crushing effect of material are not the same. Hit the rock to produce larger partial pressure ratio than the plane on the serrated tooth edge and serrated lining the underside of the small plane and the back plate to form a dip, an increase of the rock in the crushing cavity residence time. , Serrated liner than the flat liner, the same case in other conditions, product particle size is finer and improve the processing capacity of approximately 15% to 25%. But after a smash serious, serrated wear faster than the plane.
Crusher back plate design, in fact it is the crushing chamber design. Because it is composed of crusher crushing chamber hub departments. The development trend of the crushing chamber is getting lower and lower feed inlet and the second level of the back plate as much as possible by, and the bottom discharge opening close to the rotor center horizontal line in order to increase the crushing effect. We provide Professional technology, excellent product quality and intimate after-sales service when you purchase Stone crusher, Hammer crusher, from our company.As a professional mining machinery exporter, we will win your trust with our delivery speed, Enterprises Credit and product quality.
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