Heat supply engineering sewage circulating treatment device

The utility model relates to the technical field of heat supply engineering water purification components, and particularly discloses a heat supply engineering sewage circulation treatment device which comprises a fixed barrel, a mounting barrel and a top cover, the upper end and the lower end of the mounting barrel are detachably communicated with the top cover and the fixed barrel through flanges, and the side wall of the fixed barrel is communicated with a water inlet pipe; a mounting plate is fixedly arranged in the mounting cylinder, a plurality of mounting holes are formed in the mounting plate, and a filter cylinder is detachably and fixedly arranged in the mounting holes; a filter layer is arranged on the lower portion of the filter cylinder, the top of the top cover is communicated with a water outlet pipe, a water pump and a water storage tank are arranged on the top cover and communicated, the water storage tank is communicated with the water outlet pipe through a water pipe, a control valve is arr