Dust removal filter screen plate for waste heat recovery boiler

Abstract

The invention relates to a dust removal filter screen plate for a waste heat recovery boiler. The dust removal filter screen plate comprises a screen plate outer frame and a screen plate body arranged in the screen plate outer frame, wherein strip-shaped holes are uniformly formed in the screen plate body. After passing through the filter screen of three slag baths, most of the remainder coal slags are irregularly granular and liable to block small holes in the screen plate; after the open holes in the dust removal filter screen plate for the waste heat recovery boiler disclosed by the invention are changed into the strip-shaped holes, the blocking phenomenon can be effectively alleviated, in addition, the water yield of dust removal water can also be increased and the maintenance period can be prolonged.

Description

technical field

[0001] The invention relates to a filter device, in particular to a dust removal filter net plate for a waste heat recovery boiler. Background technique

[0002] At present, the dust removal filter screens used in boiler room waste heat recovery boilers of automobile manufacturers are arranged with uniform small holes. After one to two months of use, the small holes on the screens are seriously blocked and need to be cleaned again, and the service life is short.

[0003] Chinese patent CN203281555U discloses a cleaning machine for dust-removing cloth bags, filter screens, and plate filters, including a frame body. The frame body is provided with one or at least two cleaning channels for inserting and cleaning parts to be cleaned along the front and rear directions. The cleaning channels There are two sets of nozzles oppositely arranged on the two side walls of the body, and the two groups of nozzles respectively include a plurality of nozzles arranged at inte...

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