用于污水处理沙滤装置的反冲阀装置

Backflush valve device of sand filter device for sewage treatment

Abstract

本实用新型公开了一种用于污水处理沙滤装置的反冲阀装置,包括内部设有阀腔的阀体,阀体的上端设有连通高压供水装置的高压进水孔,阀体的下端设有出水孔,高压进水孔和出水孔的内径小于阀腔内径,阀腔内设有用于封堵高压进水孔或出水孔的阀板,阀板密度小于处理的污水密度,阀腔侧壁上设有用于连通沙滤装置的进水孔。本实用新型能够缩短沙滤装置污泥清理时间,提高污水处理效率。
The utility model discloses a backflush valve device of sand filter device for sewage treatment, which comprises a valve body whose inner portion is provided with a valve cavity, wherein the upper end of the valve body is provided with a high pressure water inlet which is communicated with a high pressure water supply device, the lower end of the valve body is provided with a water outlet, the inner diameters of the high pressure water inlet and the water outlet are smaller than the inner diameter of the valve cavity, a valve plate for plugging the high pressure water inlet or the water outlet is arranged in the valve cavity, the density of the valve board is smaller than the density of sewage which is processed, and the lateral wall of the valve cavity is provided with a water inlet for communicating with the sand filter device. The backflush valve device of sand filter device for sewage treatment can shorten the sludge cleaning time of the sand filter device, and improves the sewage treatment efficiency.

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