A coil sewage treatment device

Abstract

The application discloses a coil pipe type sewage treatment device, which comprises a coil pipe, an inner part of the coil pipe is provided with a tank body, the tank body is provided with a membrane bioreactor for treating sewage, a top of the tank body is provided with a tee pipe, two input ends of the tee pipe are respectively communicated with a sewage inlet pipeline and a circulating water outlet pipeline communicated with a bottom of the tank body, an output end of the tee pipe is communicated with a coil pipe water inlet flange of the coil pipe, the other end of the coil pipe is communicated with the tank body through a coil pipe water outlet flange, an output end of the membrane bioreactor is discharged through a clear water outlet pipeline after reaction and filtration. In the application, oxygen is fully consumed in the coil pipe by the inlet pipeline, so that the workload of the membrane bioreactor is reduced, and the energy-saving effect is achieved. During the mixing process of the mixed water in the coil pipe, sewage with micro-bubbles and water with activated sludge are mixed in the pipeline, sufficient dissolved oxygen is provided, the chemical reaction is fully generated in the pipeline, the oxygen is fully consumed, the effects of oxygenation, anoxia and anaerobic are generated in the coil pipe, and the sewage treatment efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of sewage treatment, and particularly relates to a coil pipe type sewage treatment device. BACKGROUND

[0002] With the development of environmental governance from quantity to quality, sewage treatment in China has developed unprecedentedly. While pursuing higher standard effluent water quality, the comprehensive benefits of technology also need to be considered. At present, various water treatment technology routes and devices, and treatment principles are mainly physical, chemical, physical-chemical, and biological methods. Although there are many sewage treatment technologies at present, no technology can become a standard to form a unified solution idea.

[0003] In the prior art, the application number is 202310841276.1, and the name is an anaerobic ammonia oxidation reactor. Although the reactor can treat sewage, the integrated membrane bioreactor has the problems of large energy consumption and high energy consumption due to single process and oxygen utilization rate of only 8-20%. SUMMARY

[0004] The purpose of the application is to provide a coil pipe type sewage treatment device with high sewage treatment efficiency.

[0005] Technical scheme: The coil pipe type sewage treatment device provided by the application comprises a coil pipe, an inner tank is arranged in the coil pipe, a membrane bioreactor for treating sewage is arranged in the inner tank, a three-way pipe is arranged at the top of the inner tank, two input ends of the three-way pipe are respectively connected with a sewage inlet pipeline and a circulating water outlet pipeline communicated with the bottom of the inner tank, an output end of the three-way pipe is connected with a coil pipe inlet flange of the coil pipe, the other end of the coil pipe is connected with the inner tank through a coil pipe outlet flange, and an output end of the membrane bioreactor is connected with a clear water outlet pipeline.

[0006] The high-pressure fan is connected with the aeration assembly of the membrane bioreactor through the air path pipeline.

[0007] The first jetifier for accelerating the flow rate of sewage and introducing oxygen is arranged on the sewage inlet pipeline.

[0008] The second jetifier for accelerating the flow rate of sewage and introducing oxygen is arranged on the circulating water outlet pipeline.

[0009] The input end of the circulating water outlet pipeline is connected with one end of a circulating water inlet pipeline through a sludge self-suction pump, and the other end of the circulating water inlet pipeline is connected with the bottom of the inner tank.

[0010] The output end of the membrane bioreactor is connected with a clear water inlet pipeline, a negative pressure gauge is arranged on the clear water inlet pipeline, the output end of the clear water inlet pipeline is communicated with a self-priming pump, the other end of the self-priming pump is communicated with a clear water outlet pipeline, and a plastic float flowmeter is arranged on the clear water outlet pipeline.

[0011] The membrane bioreactor is further communicated with the tank body through an assembly venting ball valve and an assembly venting pipeline.

[0012] The coil pipe water outlet flange is communicated with the inside of the tank body through a mixed water inlet pipeline, and a mixed water inlet ball valve is arranged on the mixed water inlet pipeline.

[0013] The tank body and the coil pipe are fixed to the base by welding.

[0014] The control system is further arranged.

[0015] Compared with the prior art, the present application has the following remarkable progress: in the present application, sewage is collected into the water inlet flange of the tee joint through the water inlet pipeline by using external kinetic energy and a jet device, and the water with activated sludge in the tank body is collected into the water inlet flange of the tee joint through the sludge circulating pipeline and the jet device; the sewage and the water with activated sludge are simultaneously collected into the coil pipe, so that the sewage and the water with activated sludge are fully mixed, the oxygen is fully consumed in the pipeline, and the mixed water is collected into the tank body through the coil pipe water outlet flange, so that the oxygen is fully consumed in the coil pipe, the workload of the membrane bioreactor is reduced, and the energy-saving effect is achieved; in addition, the sewage with micro-bubbles and the water with activated sludge are mixed in the pipeline during the mixing process of the mixed water in the coil pipe, the mixed water in the coil pipe is fully mixed, the mixed water fully produces a chemical reaction in the pipeline to consume the oxygen, and the sewage treatment efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the overall structure of the coil pipe type sewage treatment device.

[0017] Figure 2 It is a partial view of the coil pipe type sewage treatment device.

[0018] Figure 3 It is a schematic view of the internal structure.

[0019] Figure 4 It is a schematic view of the structure of the coil pipe. DETAILED DESCRIPTION

[0020] As shown in the accompanying drawings, Figures 1-4As shown, the coil sewage treatment device in the application comprises a tank body 1, a coil 2, a base 3, a membrane bioreactor 4, a first jet device 5, a tee joint 6, a second jet device 7, a circulating water outlet ball valve 8, an air pipe ball valve 9, a water inlet ball valve 10, a water inlet negative pressure gauge 11, a plastic float flowmeter 12, a circulating water inlet ball valve 13, a sludge self-priming pump 14, a self-priming pump 15, a high-pressure air blower 16, a clean water outlet ball valve 17, an assembly venting ball valve 18, a mixed water inlet ball valve 19, a coil water outlet flange 41, a coil water inlet flange 42, a sewage water inlet pipeline 201, an air pipe pipeline 202, a circulating water outlet pipeline 203, a circulating water inlet pipeline 204, a tank body venting pipeline 205, a mixed water inlet pipeline 206, a clean water outlet pipeline 207, an assembly venting pipeline 208, a clean water inlet pipeline 209, and a control system 301. The tank body 1 is arranged inside the coil 2, the bottom of the tank body 1 and the coil 2 is fixedly connected with the base 3 in a welding manner, and the membrane bioreactor 4 is arranged inside the tank body 1 in a bolted connection manner. The coil 2 is provided with the coil water outlet flange 41 and the coil water inlet flange 42, the coil water inlet flange 42 is communicated with the tee joint 6, the other two connecting openings of the tee joint 6 are connected with the sewage water inlet pipeline 201 and the circulating water outlet pipeline 203 in a glue bonding manner, the sewage water inlet pipeline 201 is connected with the jet device 5 in a sealing glue manner, and the circulating water outlet pipeline 203 is provided with the circulating water pump 8. The tank body 1 is connected with the air pipe pipeline 202 at the bottom to perform aeration, and the air pipe pipeline 202 is provided with the air pipe ball valve 9. The tank body 1 is also communicated with the circulating water inlet pipeline 204 and the circulating water outlet pipeline 203 at the bottom, the circulating water inlet pipeline 204 is provided with the circulating water inlet ball valve 13, the other end of the circulating water outlet pipeline 203 is communicated with the tee joint 6 at the top, and the circulating water outlet pipeline 203 and the circulating water inlet pipeline 204 are communicated through the sludge self-priming pump 14. The water outlet of the membrane bioreactor 4 is connected with the clean water inlet pipeline 209, the clean water inlet pipeline 209 is provided with the water inlet ball valve 10 and the water inlet negative pressure gauge 11 in a glue bonding manner, the end of the clean water inlet pipeline 209 is connected with the self-priming pump 15, the output end of the self-priming pump 15 discharges clean water through the clean water outlet pipeline 207, and the clean water outlet pipeline 207 is provided with the plastic float flowmeter 12 for measuring the clean water flow. The assembly venting pipeline 208 is connected with the assembly venting ball valve 18 in a glue bonding manner, and the assembly venting pipeline 208 is communicated with the membrane bioreactor 4. The coil water outlet flange 41 of the coil 2 is connected with the mixed water inlet pipeline 206, and the mixed water inlet pipeline 206 is connected with the mixed water inlet ball valve 19 in a glue bonding manner. In this embodiment, the high-pressure air blower 16 is one, which is connected with the aeration tank of the membrane bioreactor 4, a carbon steel pipe is used outside the water surface, and a plastic pipe material is used for flange connection inside the water surface. There is one self-priming pump, which is connected with the clean water inlet pipeline 209 and the clean water outlet pipeline 207 in a screw connection manner, and the water discharge amount is controlled by the control system.The jet flow device has two, respectively connected in the circulating water outlet pipeline 201 and sewage inlet pipeline 203, the water containing oxygen into the tee 6, so that the sewage and sludge-containing water fully contact, fully consume oxygen in the coil 2. Figure 3 As shown in the structure of the coil, the disc structure is a closed structure, sewage with micro-bubbles and water with activated sludge are mixed in the pipeline, which can provide sufficient dissolved oxygen to fully produce chemical reaction in the pipeline and consume oxygen.

[0021] Workflow: sewage by sewage inlet pipeline 201, using external kinetic energy, through the jet flow device 5 into the connected tee 6, and then through the water inlet flange 42 into the coil 2; the tank 1 inside the water with activated sludge by sludge self-suction pump 14 connected tank bottom circulation flange, through the sludge circulating water outlet pipe 203, through the jet flow device 7, collected to the water inlet flange 42 of the connected tee 6. Sewage and water with activated sludge are mixed in the coil 2, so that the sewage and water with activated sludge are fully mixed, the oxygen is fully consumed in the pipeline, and then the mixed water is collected into the tank 1 by the coil water outlet flange 41. The water is controlled by the electric control system, and the water is continuously fed. In the running process, the high-pressure fan 16 is always in working condition, and the water in the tank 1 is fully reacted, and the sewage is filtered into clean water by the membrane bioreactor 4, and the clean water is discharged by the self-suction pump 15 through the clean water inlet pipeline 209, the clean water outlet pipeline 207 and the plastic float flow meter 12. The mixed water in the coil mixing stroke can be fully mixed, so that the mixed water fully produces chemical reaction in the pipeline, realizes the pretreatment of sewage, reduces the working load of the membrane bioreactor, and fully consumes the oxygen in the mixed water, improves the utilization rate of oxygen (aeration).

Claims

1. A coil-type sewage treatment device, comprising a coil (2), characterized in that, The coil (2) is equipped with a tank (1) inside, and a membrane bioreactor (4) for treating sewage is installed inside the tank (1). A three-way pipe (6) is installed on the top of the tank (1). The two input ends of the three-way pipe (6) are connected to the sewage inlet pipe (201) and the circulating water outlet pipe (203) connected to the bottom of the tank (1), respectively. The output end of the three-way pipe (6) is connected to the coil inlet flange (42) of the coil (2). The other end of the coil (2) is connected to the tank (1) through the coil outlet flange (41). The output end of the membrane bioreactor (4) discharges the filtered water through the clean water outlet pipe (207). The sewage inlet pipe (201) is equipped with a first jet nozzle (5) to accelerate the sewage flow rate and bring in oxygen, and the circulating water outlet pipe (203) is equipped with a second jet nozzle (7) to accelerate the sewage flow rate and bring in oxygen. The first jet nozzle (5) and the second jet nozzle (7) simultaneously draw sewage and water with activated sludge into the coil (2), fully mixing the sewage to be treated with water with activated sludge from inside the tank (1), fully consuming oxygen in the coil (2), and then drawing the mixed water into the tank (1) through the outlet flange (41) of the coil (2). The input end of the circulating water outlet pipe (203) is connected to one end of the circulating water inlet pipe (204) via a sludge self-priming pump (14), and the other end of the circulating water inlet pipe (204) is connected to the bottom of the tank (1).

2. The coil-type sewage treatment device according to claim 1, characterized in that, It also includes a high-pressure blower (16) connected to the aeration components of the membrane bioreactor (4) via a duct (202).

3. The coil-type sewage treatment device according to claim 1, characterized in that, The output end of the membrane bioreactor (4) is connected to the clean water inlet pipe (209), and a negative pressure gauge (11) is provided on the clean water inlet pipe (209). The output end of the clean water inlet pipe (209) is connected to the self-priming pump (15), and the other end of the self-priming pump (15) is connected to the clean water outlet pipe (207). A plastic float flow meter (12) is provided on the clean water outlet pipe (207).

4. The coil-type sewage treatment device according to claim 1, characterized in that, The membrane bioreactor (4) is also connected to the tank (1) through the component venting ball valve (18) and the component venting pipeline (208).

5. A coil-type sewage treatment device according to claim 1, characterized in that, The coil outlet flange (41) is connected to the inside of the tank (1) through the mixing inlet pipe (206), and the mixing inlet pipe (206) is equipped with a mixing inlet ball valve (19).

6. A coil-type sewage treatment device according to claim 1, characterized in that, The tank (1) and the coil (2) are fixed to the base (3) by welding.

7. A coil-type sewage treatment device according to claim 1, characterized in that, It also includes the control system (301).

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