This paper describes the application of frequency changer in filter, coal washer and GZG Feeder.
介绍了变频器在加压过滤机、洗煤机、给料机中的应用。
The makeup, structure, technic and principle of the screw roller coal washer were introduced. The innovation analyzed and solved some troubles.
介绍了螺旋滚筒洗煤机的组成、结构，工艺流程及工作原理，针对存在的问题进行了分析，并采取了相应的技术改造。
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