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潍坊柴油机厂铸造车间的粉状物料真空吸送装置(其结构如图所示),已经投产四年多了,使用一直正常。该装置在吸送膨润土时,生产率可达4.4吨/小时,在吸送煤粉及粘土时生产率略低些。这套真空吸送装置用固定吸管
Weifang Diesel Engine Casting plant powder material vacuum suction device (its structure as shown), has been put into operation for more than four years, the use has been normal. The unit produces as much as 4.4 t / h of production when bentonite is aspirated and slightly lower as the pulverized coal and clay are aspirated. This vacuum suction device with a fixed pipette