CN210367127U

CN210367127U - Novel aerobic reactor

Info

Publication number: CN210367127U
Application number: CN201920836883.8U
Authority: CN
Inventors: 高垚; 杨丽; 徐佳清
Original assignee: West Pure Environmental Technology Shanghai Co ltd
Current assignee: West Pure Environmental Technology Shanghai Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-04-21
Anticipated expiration: 2029-06-05

Abstract

The utility model relates to a novel aerobic reactor relates to the sewage treatment field. A novel aerobic reactor structurally comprises a tank body, an aeration zone, an aerobic reaction zone, a mud-water separation zone, a water inlet device, a water outlet pipe, a gas inlet device and a mud discharging device, wherein the aeration zone, the aerobic reaction zone, the mud-water separation zone, the water inlet device, the water outlet pipe, the gas inlet device and the mud discharging device are arranged in the tank body; the aeration zone comprises a jet aerator, a mixed water distribution pipe, a jet circulating pump, a mixed liquid circulating pipe and a circulating pump water suction port which are connected in sequence, the jet aerator is arranged at the bottom of the aerobic reaction zone, and the circulating pump water suction port is arranged at the upper end of the aerobic reaction zone; the water inlet device is connected with the aerobic reaction zone, the water outlet pipe is arranged at the upper end of the tank body, the air inlet device is arranged at the lower end of the tank body, and the air inlet device is connected with the jet aerator and used for providing air for the jet aerator. Through the novel aerobic reactor, the problem of poor effect of insufficient sludge-water separation of aeration is effectively solved.

Description

Novel aerobic reactor

Technical Field

The utility model relates to a sewage treatment field, concretely relates to novel aerobic reactor.

Background

Aerobic biological treatment of sewage is to utilize aerobic microbe to carry out biological metabolism in the presence of oxygen to degrade organic matter, so as to make it stable and harmless, including activated sludge method and biomembrane method, the activated sludge method is to continuously inject air into sewage to maintain sufficient dissolved oxygen in water, after a period of time, a flocculating constituent is produced in sewage, this flocculating constituent is formed by a large amount of reproduced microbe, it is easy to precipitate and separate, so that the sewage is clarified.

The main structures of the traditional activated sludge method are an aeration tank and a secondary sedimentation tank, but the construction mode has the problems of large floor area, higher cost, insufficient aeration and the like.

Current design is CN 201720699316.3's utility model patent as patent number, and this patent discloses a novel coagulating inclined plate sedimentation tank, including mixing the pond, flocculation basin, inclined plate sedimentation tank and aeration pipe, be equipped with the rotatory aeration dish in inclined plate sedimentation tank's bottom, the rotation that the rotatory aeration dish did not stop drives rivers rotation, makes medicament and sewage intensive mixing, is equipped with the aeration pipe in the subsides mud fill of inclined plate sedimentation tank's bottom, is equipped with a plurality of aeration mouths on the aeration pipe, carries out air impact once to subside mud district at every interval.

Disclosure of Invention

In order to solve the technical problem existing in the prior art, the utility model provides a novel aerobic reactor for solve the problem that current aeration tank reaction system area is big, play water mud-water separation effect is weaker, the aeration is insufficient etc.

The technical solution of the utility model is as follows:

a novel aerobic reactor comprises a tank body, an aeration zone, an aerobic reaction zone, a mud-water separation zone, a water inlet device, a water outlet pipe, an air inlet device and a mud discharging device, wherein the aeration zone, the aerobic reaction zone, the mud-water separation zone, the water inlet device, the water outlet pipe, the air inlet device and the mud discharging device are arranged in the tank body; the aeration zone comprises a jet aerator, a mixed water distribution pipe, a jet circulating pump, a mixed liquid circulating pipe and a circulating pump water suction port which are connected in sequence, the jet aerator is uniformly arranged at the bottom of the aerobic reaction zone, and the circulating pump water suction port is arranged at the upper end of the aerobic reaction zone; the water inlet device is connected with the aerobic reaction zone, the water outlet pipe is arranged at the upper end of the tank body, the air inlet device is arranged at the lower end of the tank body, and the air inlet device is connected with the jet aerator and used for providing air for the jet aerator. Through the novel aerobic reactor of integration, sewage is followed down all the way up, has solved the big problem of aeration tank area, and jar body bottom is arranged in to the aerator moreover for the aeration is more abundant.

Preferably, the mud-water separation zone comprises an inclined-tube precipitator, a water outlet groove and a sludge hopper, wherein the water outlet groove is arranged at the upper end of the inclined-tube precipitator, the sludge hopper is arranged at the lower end of the inclined-tube precipitator, and the inclined-tube precipitator can be replaced by an inclined-plate precipitator.

Preferably, the water outlet pipe is connected with the water outlet groove, and the water outlet pipe is also provided with a water outlet exhaust pipe, so that gas mixed in water is conveniently discharged during water drainage, and the water outlet pipe is prevented from being blocked; the sludge discharge device is connected with the sludge hopper.

Preferably, the sludge discharge device comprises a sludge discharge pump and a sludge discharge pipe, and is used for discharging sludge. The wastewater automatically flows into the inclined tube precipitator after reacting in the reaction zone, sludge is separated from water by the inclined tube precipitator, and the sludge can be discharged through the sludge discharge pipe after entering the sludge hopper.

Preferably, the tank body is also provided with a breather valve, an exhaust branch pipe, an exhaust main pipe and an exhaust port, the exhaust branch pipe is connected with the exhaust port, the number of the exhaust branch pipes is at least 2, the exhaust branch pipe is communicated with the exhaust main pipe, the breather valve is arranged at the upper end of the tank body, the breather valve not only ensures that the pressure in the tank body is kept within a certain range, but also can regulate the pressure in the tank body when the pressure exceeds or is lower than the range, and the tank body is prevented from being damaged due to overpressure or vacuum; the exhaust branch pipe is communicated with the exhaust main pipe, so that after a large amount of air enters through jet aeration, oxygen in the air is reacted, and other gases in the air are gathered in the exhaust main pipe from the exhaust port along the exhaust branch pipe and are exhausted.

Preferably, the air inlet device comprises an air pipe and an air distribution pipe, the air distribution pipe is connected with the jet aerator, one end of the air pipe is connected with the air distribution pipe, and the other end of the air pipe is communicated with the outside of the tank body.

Preferably, the jet aerator adopts a large-caliber jet aerator, the diameter of the large-caliber jet aerator is larger than or equal to 100mm, the gas-water mixing efficiency is high, the blockage is not easy to occur, and the mixing effect is good.

The beneficial effects of the utility model reside in that:

1. through the novel aerobic reactor structure of integral type design, solved traditional aeration tank and separately set up with secondary sedimentation tank, the great problem of area.

2. Through the large-caliber jet aerator arranged at the bottom, the aeration is more uniform, the aeration effect is better, and the blockage is not easy to occur.

Drawings

Fig. 1 is a schematic structural diagram of the novel aerobic reactor of the utility model.

In the figure, 1, a tank body; 2. an aeration zone; 3. an aerobic reaction zone; 4. a mud-water separation zone; 5. a water inlet device; 6. a water outlet pipe; 7. an air intake device; 8. a sludge discharge device; 9. a degassing chamber; 101. a breather valve; 201. a jet aerator; 202. a mixed water distributor; 203. a jet circulation pump; 204. a mixed liquid circulating pipe; 205. a water suction port of the circulating pump; 401. an inclined tube precipitator; 402. a water outlet groove; 403. a sludge hopper; 701. an air tube; 702. an air distribution pipe; 801. a sludge discharge pump; 802. a sludge discharge pipe.

Detailed Description

One embodiment is as follows:

a novel aerobic reactor comprises a tank body 1, an aeration zone 2, an aerobic reaction zone 3, a mud-water separation zone 4, a degassing chamber 9, a water inlet device 5, a water outlet pipe 6, an air inlet device 7 and a mud discharging device 8 which are arranged in the tank body, wherein the degassing chamber 9, the mud-water separation zone 4, the aerobic reaction zone 3 and the aeration zone 2 are arranged from top to bottom; the aeration zone 2 comprises a jet aerator 201, a mixed water distribution pipe 202, a jet circulating pump 203, a mixed liquid circulating pipe 204 and a circulating pump water suction port 205 which are connected in sequence, the jet aerator 201 is uniformly arranged at the bottom of the aerobic reaction zone 3, and the circulating pump water suction port 205 is arranged at the upper end of the aerobic reaction zone 3; the water inlet device 5 is connected with the aerobic reaction zone 3, the water outlet pipe 6 is arranged at the upper end of the tank body 1, the air inlet device 7 is arranged at the lower end of the tank body 1, and the air inlet device 7 is connected with the jet aerator 201 and used for providing air for the jet aerator 201. The mud-water separation zone 4 comprises an inclined tube precipitator 401, a water outlet tank 402 and a sludge hopper 403, wherein the water outlet tank 402 is arranged at the upper end of the inclined tube precipitator 401, and the sludge hopper 403 is arranged at the lower end of the inclined tube precipitator 401. The water outlet pipe 6 is connected with the water outlet tank 402, and a water outlet exhaust pipe 601 is also arranged on the water outlet pipe 6; the sludge discharge device 8 is connected with a sludge hopper 403. The sludge discharge device 8 comprises a sludge discharge pump 801 and a sludge discharge pipe 802 and is used for discharging sludge. The tank body 1 is also provided with a breather valve 101, an exhaust branch pipe 102, an exhaust main pipe 103 and an exhaust port 104, and the breather valve 101 is arranged at the upper end of the tank body 1 and used for adjusting the pressure in the tank. The air inlet device 7 comprises an air pipe 701 and an air distribution pipe 702, the air distribution pipe 702 is connected with the jet aerator 201, one end of the air pipe 701 is connected with the air distribution pipe 702, and the other end of the air pipe 701 is communicated with the outside of the tank body. The jet aerator is 100mm in diameter.

The working process is as follows:

taking the embodiment as an example, the wastewater enters the aerobic reaction zone 3 through the water inlet device, reacts with oxygen in the aerobic reaction zone 3, and a plurality of circulating pump water inlets 205 are arranged at the upper end of the aerobic reaction zone 3, and enters the jet aerator 201 through the mixed liquid circulating pipe 204, and simultaneously air enters the jet aerator 201 through the air pipe 701, is mixed with water in the jet aerator 201, and is injected into the aerobic reaction zone 3 through the jet aerator 201. Meanwhile, as the jet circulation pump 203 has a certain water level, the pump has a higher lift and a higher dissolved oxygen rate, wastewater automatically flows into the inclined tube precipitator 401 after reacting in the aerobic reaction zone 3, sludge and water are separated by the inclined tube precipitator 401, the sludge is discharged through the sludge discharge pipe 802 after entering the sludge hopper 403, and the wastewater flows out of the water outlet pipe 6 after entering the water outlet tank 402.

The present embodiment is only for further explanation of the present invention, and is not a limitation of the present invention, and those skilled in the art can make various inventive modifications to the present embodiment as needed after reading the present specification, but all of them are protected by patent law within the scope of the present invention.

Claims

1. A novel aerobic reactor structurally comprises a tank body (1), an aeration zone (2), an aerobic reaction zone (3), a mud-water separation zone (4), a water inlet device (5), a water outlet pipe (6), an air inlet device (7) and a mud discharging device (8) which are arranged in the tank body (1), and is characterized in that a degassing chamber (9) is also arranged in the tank body (1), and the degassing chamber (9), the mud-water separation zone (4), the aerobic reaction zone (3) and the aeration zone (2) are arranged from top to bottom; the aeration zone (2) comprises a jet aerator (201), a mixed water distribution pipe (202), a jet circulating pump (203), a mixed liquid circulating pipe (204) and a circulating pump water suction port (205) which are connected in sequence, the jet aerator (201) is uniformly arranged at the bottom of the aerobic reaction zone (3), and the circulating pump water suction port (205) is arranged at the upper end of the aerobic reaction zone (3); the water inlet device (7) is connected with the aerobic reaction zone (3), the water outlet pipe (6) is arranged at the upper end of the tank body (1), the air inlet device (7) is arranged at the lower end of the tank body (1), and the air inlet device (7) is connected with the jet aerator (201) and used for providing air for the jet aerator (201).

2. A novel aerobic reactor according to claim 1, wherein the sludge-water separation zone (4) comprises a tube settler (401), a water outlet tank (402), a sludge hopper (403), the water outlet tank (402) is placed at the upper end of the tube settler (401), and the sludge hopper (403) is placed at the lower end of the tube settler (401).

3. A novel aerobic reactor according to claim 2, wherein the water outlet pipe (6) is connected with a water outlet tank (402), and the water outlet pipe (6) is further provided with a water outlet exhaust pipe (601); the sludge discharge device (8) is connected with a sludge hopper (403).

4. A novel aerobic reactor according to claim 1, wherein the sludge discharge device (8) comprises a sludge pump (801), a sludge discharge pipe (802) for discharging sludge.

5. A novel aerobic reactor according to claim 1, wherein the tank (1) is further provided with a breather valve (101), an exhaust branch pipe (102), an exhaust main pipe (103) and an exhaust port (104), and the breather valve (101) is arranged at the upper end of the tank (1) and used for adjusting the pressure inside the tank.

6. A novel aerobic reactor according to claim 1, wherein the air inlet device (7) comprises an air pipe (701) and an air distribution pipe (702), the air distribution pipe (702) is connected with the jet aerator (201), one end of the air pipe (701) is connected with the air distribution pipe (702), and the other end is communicated with the outside of the tank body (1).

7. A novel aerobic reactor according to any of the claims 1-6, whereby the jet aerator (201) has a diameter of not less than 100 mm.