Abattoir waste treatment Raw material crusher Equipped with a variety of specifications of punched plate; meets the requirements of fishmeal particle Equipment components: Feed inlet, Spindle, Motor, Bearing, Broken blade Working Principle Fish meal enters into the crusher, which is made of sieve plate, from the feed inlet on the top. Then the material will be crushed by high-speed rotation hammer. During this procedure, the finer particles leak from mesh of the sieve plate and the larger particles remaining on the sieve surface will be crushed repeatedly until leaking from sieve mesh. All the processed fish meal drop down from the outlet to the spiral conveyor machine, which is installed to the material outlet of the crusher.