一种改进的雨水泵站

Abstract

本实用新型涉及一种改进的雨水泵站，属于市政排水设施技术领域；该泵站包括桶体、提篮格栅和排水泵系统；桶体由中间格栅分隔为上部检修区和下部蓄水区，蓄水区侧壁设进水管口，检修区侧壁设排水管口；桶体底部为碗状底；排水泵系统包括气泵、气动换向阀和多台水泵，水泵通过支架悬浮安装于碗状底上方，进水口朝下设置；各水泵出水口通过副管道延伸至中间格栅上方，并汇入主排水管连接至排水管口；气动换向阀安装于一副管道上，扰流管连接气动换向阀并指向碗状底中央；该结构可有效防止污泥沉积，实现自动清淤，提高排水效率和使用寿命。

Claims

1. An improved rainwater pumping station characterized in that, The system includes a barrel body (1), a basket grille (2), and a drainage pump system. The barrel body (1) is divided into an upper maintenance area (4) and a lower water storage area (5) by a middle grille (3). A water inlet (6) is opened on the side wall of the water storage area (5), and a drain outlet (7) is opened on the side wall of the maintenance area (4). A rainwater pipe (8) is connected to the outside of the water inlet (6), and a drain pipe (9) is connected to the outside of the drain outlet (7). The bottom of the barrel body (1) is designed as a bowl-shaped bottom (10). The basket grille (2) is located at the water inlet (6). The drainage pump system includes an air pump (11), a pneumatic reversing valve (12), and at least two water pumps (13). Each of the water pumps (13) is suspended and installed on the bowl-shaped bottom by a bracket. Above (10), the inlet of the water pump (13) is set downwards, and the outlet of each of the water pumps (13) extends to the top of the intermediate grid (3) through a secondary pipe (14). The secondary pipe (14) converges into a main drain pipe (15), and the end of the main drain pipe (15) is connected to the inside of the drain pipe opening (7). The pneumatic reversing valve (12) is installed on one of the secondary pipes (14), and also includes a turbulence pipe (16). The upper end of the turbulence pipe (16) is connected to the pneumatic reversing valve (12), and the lower end points to the central area of ​​the bowl-shaped bottom (10). The air pump (11) is installed above the intermediate grid (3), and the pneumatic reversing valve (12) is supplied with air by the air pump (11).

2. The improved rainwater pump station according to claim 1, characterized in that, Each of the secondary pipes (14) is connected in series with a gate valve (17), and the main drain pipe (15) is connected in series with a check valve (18).

3. The improved rainwater pump station according to claim 1, characterized in that, The basket grille (2) is detachably installed inside the water inlet (6), and its mesh size is less than or equal to 10 mm.

4. The improved rainwater pump station according to claim 1, characterized in that, The lower end of the turbulence tube (16) is 5-10 cm away from the inner wall of the bowl-shaped bottom (10).

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