Domestic sewage pretreatment device with electromagnetic liquid level meter
A technology of pretreatment device and domestic sewage, applied in water/sewage treatment, water/sludge/sewage treatment, natural water treatment, etc. Malfunction, corrosion and damage of cabinet wall panels, etc., to avoid inaccurate opening signals, ensure reliability and accuracy, and prolong service life
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[0021] Such as figure 1 , figure 2 and image 3 As shown in the domestic sewage pretreatment device with an electromagnetic liquid level device, the cabinet body 1 is a cabinet welded by steel plates, and the pulverizing discharge pump 4 is installed on the pump base, which is fixedly connected with the cabinet body 1 . On the outside of a wall plate of the cabinet body 1, a circulation suction port 2 and a circulation injection port 6 leading to the cabinet cavity are provided. The pump inlet of the pump communicates with the circulation suction port 2 through the suction ball valve 3. The crushing discharge pump 4 is an open impeller centrifugal pump with a blade at the inlet of the impeller and the pump. When the pulverizing discharge pump 4 is started, the domestic sewage in the cabinet body 1 is pumped to the pulverizing discharge pump 4 through the circulation suction port 2, and after being pulverized by the pulverizing discharge pump 4, it is reinjected into the ca...
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