The result indicates that the air water back flushing has the best effect and prominent economic benefits.

试验结果表明：气水反冲洗效果最好，经济效益显著。

In the prior art, a switch is not precise, the failure rate is high, and the back flushing ash removal process of a dedusting system is destroyed.

已有技术开关不严密，故障率高，使除尘系统反吹清灰工艺被破坏。

The utility model can also be used for back flushing bag dust collectors and automatic opening and automatical closing devices on non corrosion fluid flow passages.

本实用新型还能应用于反吹布袋除尘器，以及无腐蚀流体通道上的自动开闭装置。

Another major source of EBSM waste water is the back flushing waste water of the anthracite filter, whose back flushing waste water for each time can be up to 150 ~ 200 tons.

装置废水的另一个主要来源是无烟煤过滤器的反洗废水，其每次的反洗废水高达150 - 200吨。

The utility model provides a membrane-filtering back flushing device, and removes the pollution of a duct and a face caused by minuteness powder body through the liquid back flushing.

本实用新型提供了一种膜过滤反冲装置，通过液体反冲消除微细粉体对膜面及孔道的污染。

The floods carried away everything—houses, cars, bridges, railway track—and swirled it around before flushing it back down the valley and out to sea.

海啸吞没了房屋、车辆，甚至桥梁、路轨，漩涡让物资四处乱转，最后又冲入山谷与大海。

This invention provides a set of self-powered mechanical device, an auto-regulating movable weir-plate, a back-flushing buffer and lift-pull valve.

本发明提供一套自力式机械装置、自动调节活动堰板、反冲阻流器、提拉阀。

The filtering properties and the back-flushing effect of the sintered metal-mesh filter were studied systematically through laboratory tests.

通过实验对多孔烧结金属网过滤器的高温过滤特性和反洗清灰效果进行了系统的研究。

The utility model relates to a pretreating automatic back-flushing water purifier, which relates to the water treatment technology, in particular to a water purifier.

预处理自动反冲洗纯水机，涉及水处理技术，特别涉及一种净化 水设备。

This paper briefly introduces the whole design thought of the new-type vacuum filter and the design and development of some main structure parts: rotary-drum and back-flushing valve.

简要介绍了新型真空过滤机的整体设计思路及其主要结构部件转鼓和反吹阀的设计研制。