Energy-saving and environment-friendly sewage treatment device
A sewage treatment device, energy saving and environmental protection technology, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, flocculation/sedimentation water/sewage treatment, etc. To deal with problems such as treatment, ecological environment hazards, etc., to achieve the effect of strong practicability, full utilization, and avoidance of pollution
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Embodiment 1
[0023] refer to figure 1 Or 2, in the embodiment of the present invention, an energy-saving and environment-friendly sewage treatment device includes a pretreatment box 1, a combustion box 2 and a sedimentation box 3, and the pretreatment box 1 and the sedimentation box 3 are connected by a water delivery pipe 4, The upper end of the pretreatment box 1 is provided with a water inlet 11, and the inside of the pretreatment box 1 is obliquely provided with a filter screen 5, and the outside of the pretreatment box 1 is provided with a first motor 6, and the output end of the first motor 6 is provided with a screw thread Rod 7, the threaded rod 7 is provided with a slide block 8, the slide block 8 is provided with a scraper 9, the combustion box 2 communicates with the pretreatment box 1 through the discharge port, and the discharge port is arranged on the filter screen The upper side of 5, the setting of scraper 9 can scrape the foreign matter on the filter screen 5, facilitates ...
Embodiment 2
[0026] refer to figure 2 , on the basis of Embodiment 1, the settling tank 3 is provided with a dosing device 18 communicating with the inside of the settling tank 3, and the left side of the settling tank 3 is provided with a second motor 19, and the second motor 19 The output end of the tank is provided with a rotating shaft 20, on which several stirring blades 21 are arranged, and a blowdown pipe 15 is arranged at the lower end of the sedimentation 3 box. The precipitating agent can be added into the settling tank and stirred by the stirring blade to improve the effect and efficiency of the settling, which has strong practicability.
Embodiment 3
[0028] refer to image 3 , On the basis of Embodiment 1 or Embodiment 2, the flue gas purification device 14 is provided with a multi-stage activated carbon purification net 22, and the multi-stage activated carbon purification net 22 is composed of an initial-effect activated carbon purification net and a medium-efficiency activated carbon purification net. And high-efficiency activated carbon purification net. The flue gas can be filtered in multiple stages to prevent the harmful substances in the flue gas from being discharged into the air and pollute the environment.
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