Municipal engineering rain sewage pipe network temporary drainage device and construction method: Fid-Bau Portal

Municipal engineering rain sewage pipe network temporary drainage device and construction method

YOOK JU-GEUN / YANG QINGHONG / QIAN CHENG / SUN YONG

The municipal engineering rain sewage pipe network temporary drainage device comprises a sewer cover plate, a plurality of drainage holes are formed in the sewer cover plate, a guide pipe is fixedly arranged on the sewer cover plate in a penetrating mode, a first drainage pipe is slidably connected into the guide pipe, and the top of the first drainage pipe is fixedly connected with the bottom end of a second drainage pipe which is vertically arranged; the top end of the second drainage pipe is fixedly connected and communicated with the middle of a transversely-arranged third drainage pipe, and foam is fixedly arranged on the outer side of the third drainage pipe in a sleeving mode. By arranging a third drainage pipe and foam, when drainage holes in the sewer cover plate are blocked, water begins to be accumulated above the sewer cover plate, the accumulated water drives the foam to float upwards, the foam drives the third drainage pipe to float upwards synchronously, impurities in the accumulated water sink to the bottom, and the accumulated water at the top is drained into a rain and sewage pipe network through the third drainage pipe; therefore, the situation that a large amount of water is accumulated when the drain holes in the sewer cover plate are blocked is effectively avoided.

本发明公开了市政工程雨污管网临时引流装置，包括下水道盖板，所述下水道盖板上开设有若干排水孔，所述下水道盖板上贯穿固设有导向管，所述导向管内滑动连接有第一排水管，所述第一排水管顶部与竖向设置的第二排水管底端固接，所述第二排水管顶端与横向设置的第三排水管中部固接且连通，所述第三排水管外侧固定套设有泡沫。本发明通过设置第三排水管、泡沫，当下水道盖板上的排水孔被堵塞时，下水道盖板上方开始积水，积水驱动泡沫上浮，使泡沫带动第三排水管同步上浮，积水中的杂质沉在底部，顶部的积水通过第三排水管排到雨污管网中，从而有效的避免下水道盖板上的排水孔被堵塞时，大量积水的情况发生。

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