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实用新型
CN203347990U 排水清污系统 有权

排水清污系统
摘要：
本实用新型提供一种排水清污系统，其与水轮发电机组的尾水管连接，包括排水管道、蜗壳排水阀、排水莲蓬头和吹污装置，所述排水管道的一端与所述尾水管连接，所述排水管道的另一端与所述排水莲蓬头连接，所述蜗壳排水阀设置于所述排水管道中，所述吹污装置与所述排水管道连接，所述吹污装置与所述排水管道的连接点位于所述排水莲蓬头与所述蜗壳排水阀之间的一段排水管道上。本实用新型提供的排水清污系统能够提高莲蓬头的强度及使用寿命，防止蜗壳排水管路堵塞，同时提高莲蓬头过流能力，确保机组检修工作如期完成。
摘要（英）：

The utility model provides a drainage cleaning system which is connected with a tail water pipe of a hydraulic turbine generator set and comprises a drainage pipeline, a volute drainage valve, a drainage shower head and a blowing device. One end of the drainage pipeline is connected with the tail water pipe, the other end of the drainage pipeline is connected with the drainage shower head, the volute drainage valve is arranged in the drainage pipeline, the blowing device is connected with the drainage pipeline, a joint of the blowing device and the drainage pipeline is positioned on a certain section of the drainage pipeline, and the certain section of the drainage pipeline is positioned between the drainage shower head and the volute drainage valve. The drainage cleaning system has the advantages that the strength of the drainage shower head can be improved, the service life of the drainage shower head can be prolonged, blockage of a volute drainage pipeline can be prevented, the flow capacity of the drainage shower head can be improved, and repair work on the set can be assuredly completed on time.

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