Filtering device capable of automatic cleaning

Abstract

The invention provides a filtering device capable of automatic cleaning. The filtering device comprises a conveying pipeline, a filter screen, a spray washing pipe and a spray washing head, wherein the upper end of the conveying pipeline is provided with a liquid inlet; the outer wall of the conveying pipeline is provided with a sewage outlet; the filter screen is arranged above the sewage outlet;the edge of the filter screen is tightly connected with the inner wall of the conveying pipeline; the bottom of the filter screen is provided with a transverse compression spring; the other end of the compression spring is fixed on the inner wall of the conveying pipeline; the spray washing pipe is arranged on the inner wall of the conveying pipeline and extends downwards along the inner wall ofthe conveying pipeline; the topend of the spray washing pipe is provided with a cover for sealing the spray washing pipe; the cover is hinged to the pipe wall of the spray washing pipe; and the bottomend of the spray washing pipe is provided with the spray washing head. The filtering device capable of automatic cleaning, provided by the invention, solves the problem that filtering holes are blocked and difficult to clean due to excessive impurities on the filter screen, omits a step of taking out the filter screen, improves the working efficiency, and has the advantages of simple structure and convenience in operation.

Description

technical field [0001] The invention belongs to the technical field of mechanical filtration, in particular to a filter device that can be cleaned automatically. Background technique [0002] The filter is an indispensable device on the conveying medium pipeline. It is usually installed at the inlet end of other filtering equipment such as pressure reducing valve, pressure relief valve, fixed water level valve, etc. On the Internet, if things go on like this, more and more particles will be trapped, the filtration speed will become slower and slower, and the filter holes will become smaller and smaller, which will affect the operation of mechanical equipment and reduce work efficiency. Take it out and reload it after processing, the steps are cumbersome. SUMMARY OF THE INVENTION [0003] In view of this, the present invention aims to provide a filter device that can be cleaned automatically, so as to provide a device with simple structure, convenient operation and automat...

AI Technical Summary

Problems solved by technology

[0002] The filter is an indispensable device on the conveying medium pipeline. It is usually installed at the inlet end of other filtering equipment such as a pressure reducing valve, a pressure relief valve, and a fixed water level valve. The filter has a filter screen of a certain specification, and impurities are trapped in the filter. On the Internet, if things go on like this, more and more particles will be trapped, the filtration speed will become slower and slower, and the filter holes will become smaller and smaller, which will affect the operation of mechanical equipment and reduce work efficiency. When cleaning is required, the detachable filter screen Take it out, reload it after processing, the steps are cumbersome

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