Pulse water distributor is a kind of important equipment in the biological filter. The rationality of the design is very important to the treatment effect of the sewage. Only uniform water distribution, in order to give full play to the role of each part of the filter and improve the processing capacity of the filter. So far, many domestic and foreign water distributor is still using the traditional porous structure, easy to plug, hole machining complex, head loss calculation and the complicated water distribution device exists poor adaptability of spray hole porous water distribution device, can not control etc..
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