Stainless steel pipe type multilayer sintering filter screen precision filtering device capable of realizing backwashing

Abstract

The invention discloses a stainless steel pipe type multilayer sintering filter screen precision filtering device capable of realizing backwashing. The device comprises an upper cover, a cylinder body, a liquid inlet, a liquid outlet, a filter element assembly and a partition plate, wherein the upper cover is arranged at the top of the cylinder body, the liquid inlet is formed in the cylinder body, the liquid outlet is formed in the upper cover, and the partition plate is arranged between the upper cover and the cylinder body; and the upper cover is connected with the cylinder body through a flange, an opening matched with the filter element assembly is formed in the partition plate, and the filter element assembly is connected with the partition plate through the opening. According to theinvention, a backwashing valve is arranged at the top of the upper cover of the device; when backwashing operation is carried out, under the condition that the liquid inlet and the liquid outlet areclosed, high-pressure cleaning liquid or high-pressure gas can be injected through the backwashing valve so as to flush away and separate impurities on the filter element assembly from the surface ofthe filter element assembly from top to bottom, and then the impurities are discharged away through a blow-down valve, so the backwashing operation is completed; and moreover, a filter element of thefiltering device can be cleaned in the manners of countercurrent backwashing, ultrasonic wave treatment, dissolution, baking and the like.

Description

technical field [0001] The invention relates to the field of filtering organic liquids used in brewing, beverage, food, pharmaceutical industries, etc., in particular to a backwashable stainless steel tubular multi-layer sintered filter mesh precision filter device. Background technique [0002] In the high-precision filtration of food, beverage, pharmaceutical, petroleum, chemical, environmental protection and other industries, it is required to have high filtration accuracy, long service life, convenient maintenance, high and low temperature resistance, corrosion resistance, acid and alkali resistance, and its materials are safe and pollution-free , Long-term contact with liquid will not produce chemical reaction, no secondary pollution. [0003] In the prior art, high-precision filtration in food, beverage, pharmaceutical, petroleum, chemical, environmental protection and other industries is usually a liquid full filtration system composed of three parts: container, filte...

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to: aim at the above problems, to provide a stainless steel tube type multi-layer sintered filter screen precision filter device that can be backwashed, which solves the problem of filter material, low filter flux, easy loss of material, easy side leakage, frequent replacement, and cleaning Inconvenient and incomplete, high labor costs, and cannot be backwashed, relying on manual cleaning, low degree of automation

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