concrete job Precautions

(1), the mixer should be shut down before the spiral conveying all the cement out of the tube shall any residual materials. (2), an orderly shutdown of the power ministries. (3), stir thoroughly cleaned warehouses, control room and on-site, internal concrete must be cleaned. (4), periodically clean the air compressor air filter, exhaust gas cylinder of water and impurities. (5), Screw Conveyor for maintenance, according to the instructions provided for each lubrication point filling oil (grease). (6), the periodic inspection should be measured accurately weighing device, the error range: not more than 2% aggregates, powder, the dosage should not exceed 1%. (7), concrete mixing machine cement silo valve should be closed. (8), after the end of the winter operations should be clean water discharge.