In order to improve the operating performance of filter tank and propose the high production water volume, the traditional filter media was replaced by homogeneous particle quartz sand.

目的将快滤池的传统滤层改造为均粒石英砂滤层，为的是改善滤池的工作性能，提高产水量。

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Make sure the pressure in the tank of the sand separator was released to zero, then open the top cap on the upper end of the tank to replace the filter screen.

在更换滤网时，要按正确的操作步骤进行泄压，确定除砂罐内的压力泄尽后，才能打开除砂罐上端的顶盖，进行更换。

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This article introduces a new type of detergent TS-198, which is specially suitable for processing sand filter material containing graphite and greasy dirt in filter tank.

作者介绍了一种专门适用于处理含石墨及油污的过滤器砂滤料的清洗剂TS— 1 98。

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