In the air-water back washing filter, application of jet pump instead of air compressor or blower can considerably save both the installation cost and the running cost.

用射流泵代替空压机或鼓风机进行滤池气水反冲洗、能大大降低设备和运行费用。

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The air-jet exhauster is a compressed air-operated device for pump priming, provided that the pump has no foot valve. Water is induced into the pump by vacuum created by the exhauster.

以压缩空气为动力的气体引射器，它是用在无底阀水泵上的抽气引水设备，具有结构简单、加工制做容易、耗气量小、效率高等特点。

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