The utility model relates to a purifying treatment equipment for circulating water, comprising an oxygen dissolved aeration box, a non pressure filter tank and a flushing pipe. Every bucket is arranged between two filter tank, the upper water tank and it is connected with a rotary bucket across the water tank, water outlet pipe connected to the lower part of the cyclone, the lower spacing bucket after row of air traffic control and control valve, and the water outlet pipe connected with the outlet control valve; in the raw water tank are provided with the flushing tube is also connected with a flushing pipe branch, branch and the intensity control pipe, strength control tube while the other end is connected with a vacuum pumping device; the flushing pipe is connected with a central three pass joint, the other two interfaces of three links are respectively connected with two wash control tubes, one flushing control is connected to the other end of the tube strength control tube, the other one flushing control tube connected with a control valve to control the bucket after washing time in isolation. The utility model has the advantages of the control across the flushing time bucket is connected with the water outlet pipe, a backwashing water bucket by reducing control valve on the evacuation pipe, gravity filtration equipment to solve the backwashing linkage or time control failures occur.
【技术实现步骤摘要】
【技术保护点】
一种循环水净化处理设备，它包括溶氧曝气箱，无压过滤罐，冲洗管，其特征在于：曝气箱分为内外两个筒，内筒与外筒之间的部位分隔断，每一个隔断接一个密封管，内筒上端与外筒之间设放射形曝气条，进水管接至内筒的底部；曝气箱下方设多个过滤罐，罐内由三个隔室组成，即：清水箱、原水箱、清水室，在清水箱与原水箱设密闭隔板，原水箱与清水室之间设滤板隔开，清水室接出水连通管，两个过滤罐之间设隔水桶，它的上部与清水箱相通，隔水桶接旋流水槽，旋流水槽下部接出水管，隔水桶的下部接一排空管，排空管与控制阀串接，控制阀的出口与出水管连接；隔板下方至滤层上方的原水箱中均设冲洗管，冲洗管另一端接至相邻自动排水箱，冲洗管上还接一支管，该支管与强度控制管连接，强度控制管另一端接在抽真空设备的进口；冲洗管的中部接一个三通接头，三通的另外两个接口分别连接两根冲洗控制管，其中一根冲洗控制管的另一端也接至强度控制管，另一根冲洗控制管上串接控制阀后放至控制冲洗时间的隔水桶内。
【技术特征摘要】
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