A magnetizing photocatalytic compact wastewater reclamation and reuse device, comprising an integrated cabinet with which is provided an inlet pipe, an outlet pipe, and a sludge-baling hole. In said integrated cabinet a coagulating case, an ozone oxidizing case, a photocatalytic case, and a separating case separating sludge from water are provided. The coagulating case is connected with the ozone oxidizing case by an auto filter, and is provided inside with a mixing chamber for mixing gas, agent, and water together, with which the inlet pipe is connected. An ejector nozzle is provided at the outlet of the mixing chamber, and is connected with an ejector expander. Several magnetic loops are mounted on the external surface of the ejector nozzle or the ejector expander. Said photocatalytic case is adjacent to the ozone oxidizing case. Inside the photocatalytic case, there are ultraviolet lamp units and automatic microstrainers staggered; and at the bottom of the photocatalytic case, an upright standing UF ultrafilter assembly, with which the outlet pipe is connected, is provided. The drain port of said automatic microstrainer is communicated with the separating case, inside which an automatic separater separating solid from liquid is provided, and on the sidewall of which a sludge-baling hole is provided. The present invention combines several techniques, has a small cubage, a short process flow, high purification efficiency, low cost, and is of self-control.
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