Water-inflow-preventing smoke exhaust pipe for ship

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Water-inflow-preventing smoke exhaust pipe for ship

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LIU CAIXIA / ZOU FENGLIN / DENG XIAOBING

The smoke exhaust pipe is in an L shape and comprises a vertical smoke pipe body, an elbow smoke pipe body and a horizontal smoke pipe body which are sequentially connected in the smoke exhaust direction, a plurality of strip-shaped water drainage openings are formed in the bottom of the inner wall from the elbow smoke pipe body to the horizontal smoke pipe body at intervals, and each strip-shaped water drainage opening is formed in the circumferential direction of the smoke exhaust pipe. And a water baffle is fixedly arranged at one end, far away from the end part of the horizontal smoke pipe, of each strip-shaped water outlet. A plurality of strip-shaped water outlets are formed in the bottom of the inner wall from the elbow smoke pipe to the horizontal smoke pipe at intervals, and the water baffle is arranged, so that most rainwater entering the smoke exhaust pipe is discharged from the strip-shaped water outlets under the water retaining and drainage effects of the water baffle, and the amount of rainwater entering the cabin is greatly reduced.

本发明公开了一种船舶防进水排烟管，所述排烟管呈L形，包括沿着排烟方向依次连接的竖直烟管、弯头烟管和水平烟管，在弯头烟管至水平烟管的内壁底部间隔设有若干条形排水口，每个条形排水口均沿着排烟管的周向布置，在每个条形排水口远离水平烟管端部的一端固定设有挡水板。在弯头烟管至水平烟管的内壁底部间隔设有若干条形排水口，并设置挡水板，使进入排烟管的大部分雨水在挡水板的挡水和引流作用从条形排水口排出，大大减少了进入机舱内部雨水量。