Coal resource is rich in countries of United States, China, South Africa, Australia,India,Germany and Poland and Indonesia. Double roll crusher is extensively used for crushing coal,shale and slag. Roller crusher is coarse and medium crusher for raw coal crushing plant. In order to improve crushing efficiency and capacity of roll crusher in coal crushing plant,we should pay attention to proper operation of roll crusher and check the materials for roller crusher. What are four precautions of roller crusher in coal crushing plant? 

1.Do well in metal removing works for roll crusher, the non-breaking material may damage rollers or lead to down time of roller crusher. Therefore magnetic separator should be installed for roll crusher in coal crushing plant. 

2.When water containing of coal is higher than 6% in crushing cavity, which may cause jam in roller crusher, we must stop roll crusher and then cope with the jam properly. We must not handle with problem during crushing process.

3.If the feeding size of coal is large for coal roll crusher, we should be careful with squeezing coal block from roller crusher crushing cavity. We had better install primary crushing device for roll crusher to reduce damage on operator or roll crusher 

4.Operator shoudl adjust and inspect the discharging outlet for coal roll crusher at fixed intervals. When roll crusher works for several months, we have to replace the crusher wearing parts in time,Do the regularly minor repair, repair and overhaul for roll crusher 

As what mentioned above, we could keep roll crusher well performance and stable capacity in crushing plant. If you have any questions on roll crusher operation manuals or roller crusher price, welcome to contact us online directly!