Experimental result showed that adopting the Laval type nozzle was advantageous to back-pulse jet-ting cleaning.

 
  • 脈沖反吹時(shí)濾管內將會(huì )產(chǎn)生負壓區,由于該負壓區的存在,反吹壓力和噴嘴直徑都不能過(guò)大;
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