Coal gangue vertical roller mill and fly ash pulverizer (collectively referred to as the two-stage crushers)  are widely used in the cement enterprises. Let's take coal gangue vertical roller mill as an example and try to deal with the malfunctions in production simply:

 
   1.Coal cinder cavity breaks out crashing sound.

    Eliminating method:: Stop and check if the screw plate fastener is tightened.Manually turn the rotor disc,and check if the wear exists at the hammer head.

 

 
    2.The coal crusher vibrates after the equipment starts.

    Eliminating method: Check the hammer weight, the counter weight of the hammers in each row should be balanced.

    3.High temperature of the bearings.

    Eliminating method:Check the lubrication part and fill the lubricating oil, check whether the bearing screw is loose, tighten the bearing pedestal.

   
    4.The output granularity is too large.

    Eliminating method:Plate and hammer head wear, replace the hammer head and lining board accessories.

 

    Shanghai Clirik coal crusher is widely used in brick, clay, building materials, cement, electricity and other industries, our coal pulverizer is in absolute leading place in China from the aspects in design to production. Routine maintenance inspection is necessary for the safet production in all kinds of mechanical equipment. Equipment in production came out with any abnormal situation should be timely inspected. Prevent the problems in advance.