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Integrated small sewage treatment device and treatment method

A sewage treatment device, a small technology, applied in water/sewage treatment, water/sewage treatment equipment, water/sewage multi-stage treatment, etc., can solve problems such as affecting the eutrophication of rural water bodies, and achieve low overall operation and maintenance costs , The effect of compact structure and strong resistance to changes in water quality and quantity

Pending Publication Date: 2020-10-16
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the biological pool of the decentralized sewage treatment device only adopts aerobic treatment process, the effluent nitrogen and phosphorus will affect the eutrophication of rural water bodies

Method used

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  • Integrated small sewage treatment device and treatment method
  • Integrated small sewage treatment device and treatment method
  • Integrated small sewage treatment device and treatment method

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Experimental program
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Effect test

specific Embodiment approach 1

[0028] Specific implementation mode one: as Figure 1 to Figure 4 As shown, the present invention discloses an integrated small-scale sewage treatment device, a water inlet pipe 1, a reaction tank and an electric control box 24; the reaction tank is vertically arranged and has a cylindrical structure, and the cross-section can also be square or oval The cylinder structure is divided into septic tank first area 2, septic tank second area 3, adjustment area 4, biological reaction area 5 and clear water area 6 around the center of the circle through the partition plate (such as figure 1 shown), the top of the reaction barrel is provided with an inspection port 13 (such as figure 2 As shown, each functional unit can be regularly maintained, cleaned and managed through the inspection port 13 arranged on the top, and the deposited solid matter at the bottom of the first zone and the second zone of the suction septic tank); the water inlet pipe 1 and the first zone of the septic ta...

specific Embodiment approach 2

[0029] Specific implementation mode two: as Figure 4 As shown, this embodiment is a further description of Embodiment 1. The first airlift mechanism 9-1 includes a vent pipe 10-1 and a riser 11, and the vent pipe 10-1 and the riser 11 are all arranged vertically, the upper end of the ventilation pipe 10-1 is connected with the solenoid valve 22-1, the lower end of the ventilation pipe 10-1 is connected with the lower end of the riser 11, and the upper end of the riser 11 passes through the regulating valve. The partition between the zone 4 and the bioreaction zone 5 communicates with the bioreaction zone 5 .

specific Embodiment approach 3

[0030] Specific implementation mode three: as Figure 4 As shown, this embodiment is a further description of specific embodiment one. The mud / water alternate discharge airlift system includes a median water passage pipe 17, a connecting inclined pipe 18, a second airlift mechanism 9-2 (for mud discharge) and the third airlift mechanism 9-3 (for extracting sewage after treatment); the upper end of the middle water pipe 17 passes through the dividing plate and the biological reaction zone between the biological reaction zone 5 and the clear water zone 6 5 is set in communication, the lower end of the middle water passage pipe 17 is connected with one end of the connecting inclined pipe 18, and the other end of the connecting inclined pipe 18 is connected with the second air lift mechanism 9-2, and the middle part of the connecting inclined pipe 18 is connected with the second air lift mechanism 9-2. The three gas lift mechanisms are connected to each other by 9-3. Timer 21 con...

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Abstract

The invention discloses an integrated small sewage treatment device and treatment method, and belongs to the technical field of sewage treatment. A reaction barrel septic tank area I is communicated with a water inlet pipe, an aeration disc communicated with an aeration pipe and an electric control box in a biological reaction area is arranged at the lower end of filler, a disinfection frame in aclear water area is communicated with a sludge / water alternate discharge stripping system, a clear water pump is communicated with a drainage pipe, and the electric control box is connected with an aeration pump, a first stripping mechanism, the aeration pipe and the sludge / water alternate discharge stripping system. Sewage enters the septic tank area I, a septic tank area II and an adjusting area, the first gas stripping mechanism is started, sewage enters the biological reaction area to be treated, mud-water mixed liquid enters a middle water passing pipe and a connecting inclined pipe, anda second gas stripping mechanism is started to enable the sewage to flow back to the septic tank area I; and a third gas stripping mechanism is started, the treated water is sterilized and fed into the clear water area, and then the water is discharged or recycled through a clear water pump. The device and method provided by the invention meet the technical requirements of simple maintenance and up-to-standard discharge of small-water-volume sewage, are suitable for small-water-volume rural sewage treatment, and can also be used for treatment of small-water-volume industrial wastewater.

Description

technical field [0001] The invention relates to an integrated small-scale sewage treatment device and a treatment method, belonging to the technical field of sewage treatment. Background technique [0002] my country's urban sewage treatment mainly adopts the centralized collection and treatment mode, and the treatment process mostly adopts the conventional anaerobic-anoxic-aerobic (AAO) or circulating activated sludge (CASS) process. However, compared with urban sewage, the volume of rural sewage is small, the daily water volume fluctuates greatly, and the water quality is also extremely unstable. It is difficult for the AAO and CASS processes used in urban sewage to adapt to the impact of this water quality and volume. Secondly, rural areas are relatively remote. Compared with cities and towns, there is a lack of professional and technical personnel who can maintain and regulate large-scale sewage treatment processes at any time, and it is easy for facilities to stop due t...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F101/16
CPCC02F9/00C02F3/30C02F2301/08C02F2303/04C02F2301/043C02F2103/005C02F2101/16C02F1/50C02F2201/007
Inventor 陈志强刘宝震陈理想唐英才温沁雪
Owner HARBIN INST OF TECH
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