The crusher is mainly used to crush large coal and grinding stones to prevent the belt from being damaged and to ensure the normal operation of the belt conveyor. Common types of crushers are hammer crushers, front crushers and wheel crushers.
The hammer crusher has simple structure, high production efficiency and good work reliability. It is suitable for crushing coal or grinding stone that is not too hard. The structure of the particle crusher is more complicated, but it has better crushing capacity for hard coal and sandwich. Wheel crusher is a relatively advanced crusher, but it has certain requirements for crushed materials. For example, the hardness should not be too large, and the amount of raw coal contained in the test should not exceed 5%.
The safety precautions for the crusher are as follows:
(1) When repairing and replacing broken cutter teeth, it is necessary to stop the power lock and set up special care; no signal, no one can boot.
(2) It is necessary to pay attention to the safety of the working environment to prevent accidents such as roofing and filming.
(3) When inspecting the spray device or opening the device, it must be stopped, and the power is blocked.
(4) It is not allowed to use a body that is broken or the working end is worn to the limit.
(5) Flange or incompletely grooved pulleys cannot be used.
(6) Do not hit the fastening bushing directly with a hammer or other tool.
(7) Do not force the belt with a mast or similar tool.
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