Compression type air bag sealing double-layer ash discharging valve

The utility model discloses a compression type air bag sealing double-layer ash discharging valve, belongs to valves and particularly relates to a double-layer ash discharging valve with an upper sleeve valve and a lower sleeve valve. The compression type air bag sealing double-layer ash discharging valve comprises an upper valve body and a lower valve body, wherein the upper valve body and the lower valve body are in flange connection with each other. The compression type air bag sealing double-layer ash discharging valve is characterized in that the upper valve body is a rotary horizontal movement valve; the lower valve body is an air bag sealing valve; a middle stock bin is arranged between the two valve bodies. The compression type air bag sealing double-layer ash discharging valve has the beneficial effects that the lower valve body of the double-layer ash discharging valve is a swing type flat valve; valve plates are of a double-layer structure; a compressible rubber air bag is arranged between the upper valve plate and the lower valve plate; when the lower valve body is closed, the upper valve plate is in contact with the valve bodies, the effects of stopping and blocking materials are achieved, the lower valve body continues to be closed, and therefore the lower valve plate compresses the middle rubber air bag; the air bag is deformed to be in tight contact with the valve bodies, and forced sealing is formed between the upper and lower valve plates and the valve bodies; due to the sealing mode, the non-sealed combined face caused by machining errors and initial abrasion can be compensated, and the valve has the advantages of good sealing performance and small mechanical abrasion.