一种自动反冲洗过滤器国外生产一种自动反冲洗过滤器设备。它由外壳、粗过滤网、细过滤网、冲洗阀、转动器、活塞等组成。当处理水进入过滤器后，先经粗过滤网，再流过细过滤网。当污物积累在细过滤网上达到一定的压差时，便触动连接上出水口及冲洗阀的控制器，使得冲洗阀... An automatic backwash filter produces an automatic backwash filter device abroad. It consists of a shell, a coarse filter, a fine filter, a flush valve, a rotator, a piston, and the like. When the treated water enters the filter, it is first passed through the coarse filter and then through the fine filter. When the dirt accumulates on the fine filter to reach a certain pressure difference, it touches the controller that connects the upper outlet and the flush valve, making the flush valve...