Online automatic detection device for sludge settling ratio

The utility model provides an online automatic detection device for a sludge settling ratio, and belongs to the field of sewage treatment. The device comprises a box, a measuring cylinder and the like, a microwave emitter and a microwave receiver are arranged in the box body; the measuring cylinder is arranged between the microwave emitter and the microwave receiver; the measuring cylinder, the microwave emitter and the microwave receiver have the same height and are positioned on the same horizontal line; a sampling pipe and a flushing pipe are arranged at the upper end of the measuring cylinder; a peristaltic pump and a three-way electric valve are arranged; a sample discharge pipe is arranged at the lower end of the measuring cylinder; the sample discharging pipe is provided with a sample discharging electric valve; an illuminating lamp is arranged at the upper end of the measuring cylinder, a corresponding camera is arranged on the box body, the microwave emitter, the microwave receiver, the peristaltic pump, the three-way electric valve and the sample discharging electric valve are connected with a PLC control module, a liquid crystal display screen is arranged on the PLC control module, and the PLC control module is electrically connected with a power source. The device has the advantages of being high in automation degree, high in production efficiency, low in labor costand accurate in measurement. 本实用新型提供了一种污泥沉降比在线自动检测装置，属于污水处理领域。包括箱体、量筒等部件，在所述箱体内安装微波发射器和微波接收器，所述的量筒在微波发射器和微波接收器之间，量筒、微波发射器和微波接收器高度相同且位于同一水平线上，所述的量筒上端设置取样管和冲洗管，且设置有蠕动泵和三通电动阀门，所述的量筒下端设置排样管，且排样管设置有排样电动阀门，所述量筒上端设置有照明灯，所属箱体设置有对应的摄像机，所述微波发射器、微波接收器、蠕动泵、三通电动阀门、排样电动阀门与PLC控制模块连接，在所述PLC控制模块上设置有液晶显示屏，所述PLC控制模块与电源电连接。本实用新型的优点：自动化程度高，生产效率高，人工成本低，测量精确。