A new sewage filtering device

Abstract

The utility model relates to sewage treatment technical field discloses a novel sewage filtering device, including lower cylinder, the top fixed mounting of lower cylinder has upper cylinder, the inside center place sealed sliding connection of upper cylinder has sealed pipe, the inside top of sealed pipe places has metal filter screen, the top sealed of metal filter screen fits has the top seat, the inside center place fixed connection of top seat has liquid inlet pipe, and the connecting place of top seat and upper cylinder is installed with dismantling subassembly. The utility model discloses through setting up dismantling subassembly, clockwise rotation inner thread ring utilizes the sealed pipe of barometric pressure difference and makes the slide, can conveniently replace metal filter screen, need not complex disassembly, reduces the operation skill requirement, avoids the equipment sealing property to drop, simultaneously, the pressure gauge can show the inside pressure of top seat in real time, is convenient for monitoring the filtering effect and maintains in time, in addition, the top of sealed pipe and sealing washer closely fit, and the air pressure drive design makes it slide smoothly, and the even contact sealing washer, effectively guarantee the sealing property of device.

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