CN219709271U - Anaerobic reactor external circulation control system - Google Patents
Anaerobic reactor external circulation control system Download PDFInfo
- Publication number
- CN219709271U CN219709271U CN202321286783.5U CN202321286783U CN219709271U CN 219709271 U CN219709271 U CN 219709271U CN 202321286783 U CN202321286783 U CN 202321286783U CN 219709271 U CN219709271 U CN 219709271U
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- Prior art keywords
- pipe
- anaerobic reactor
- reflux
- sewage
- external circulation
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- 238000010992 reflux Methods 0.000 claims abstract description 46
- 239000010865 sewage Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000007872 degassing Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000010802 sludge Substances 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000981 bystander Effects 0.000 description 2
- 230000002308 calcification Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses an anaerobic reactor external circulation control system which comprises a sewage mixing pipe, a reactor water inlet pipe, a centrifugal pump, a water inlet flowmeter, an anaerobic reactor, a methane degassing tank, a reflux distribution vertical pipe, a water outlet pipe, a reflux flowmeter, an electric regulating valve, a stop valve, an exhaust valve, a reflux straight pipe, a reflux bypass pipe and a water inlet tank body. Sewage in the water inlet tank flows through the sewage mixing pipe, is pressurized by the centrifugal pump, and is conveyed to the bottom of the anaerobic reactor. After being treated by the anaerobic reactor, the produced biogas is subjected to post-treatment after passing through a biogas degassing tank. The sewage flows into the reflux distribution vertical pipe through the top of the anaerobic reactor, one part of sewage flows out of the system through the water outlet pipe for further treatment, the other part of sewage enters the sewage mixing pipe through the reflux pipe and the reflux bypass pipe, and the exhaust valve arranged on the reflux bypass pipe is required to be opened in the operation process, so that the sewage external circulation of the anaerobic reactor is realized.
Description
Technical Field
The utility model belongs to the field of anaerobic reaction in sewage treatment, and particularly relates to an external circulation control system of an anaerobic reactor.
Background
The anaerobic reactor converts organic matters in sewage into methane through anaerobic sludge strains so as to achieve the aim of purifying the sewage. In the anaerobic reaction process, volatile organic acids are converted into methane, carbon dioxide and the like, so that the pH value of the treated sewage is increased, the treated sewage is returned to a front-end tank body of the system by the traditional process, the alkalinity of the sewage entering the anaerobic reactor is increased, the anaerobic sludge is calcified, and the anaerobic sewage treatment capacity is influenced.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides the anaerobic sludge calcification reducing device which has a simple structure, can reduce the sewage residence time and the sewage alkalinity entering the anaerobic reactor, and can realize an external circulation control system by the anaerobic reactor stably, thereby realizing the purpose of reducing the anaerobic sludge calcification.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an anaerobic reactor extrinsic cycle control system, includes sewage mixing tube, anaerobic reactor and marsh gas degassing tank, sewage mixing tube's import and inlet pool body coupling, export and reactor inlet tube coupling, reactor inlet tube and anaerobic reactor's bottom sewage import links to each other, anaerobic reactor top and marsh gas degassing tank link to each other, anaerobic reactor's upper portion export is connected with the backward flow distribution riser, backward flow distribution riser upper portion and outlet pipe connection, backward flow distribution riser bottom and back flow connection, the export and the backward flow straight tube of back flow are connected, the branch is equipped with the backward flow bystander pipe on the backward flow straight tube, backward flow straight tube export is connected to the inlet pool body, backward flow bystander pipe export and sewage mixing tube coupling.
Further, a centrifugal pump and a water inlet flowmeter are arranged on the water inlet pipe of the reactor.
Further, a reflux flowmeter is arranged on the reflux pipe.
Further, an electric regulating valve and a stop valve are arranged on the reflux straight pipe.
Further, an inlet of the reflux bypass pipe is connected with a reflux straight pipe between the electric regulating valve and the stop valve.
Further, an exhaust valve is arranged on the reflux bypass pipe.
The utility model controls proper reflux flow and treatment load of the anaerobic reactor by adjusting the electric regulating valve. When the flow of the centrifugal pump is stable, the return pipeline stop valve is slowly closed until the stop valve is closed, and the return sewage flows into the pipeline mixing pipe through the return bypass pipe and enters the anaerobic reaction again to realize the external circulation of the anaerobic reactor. The exhaust valve of the reflux bypass pipe is kept open in the operation process, so that the timely removal of the gas wrapped in the reflux pipeline is ensured, and the whole external circulation system control of the anaerobic reaction is continuously and stably realized.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. a sewage mixing pipe; 2. A reactor inlet pipe; 3. a centrifugal pump; 4. a water inlet flowmeter; 5. an anaerobic reactor; 6. A methane degassing tank; 7. A return flow distribution riser; 8. A water outlet pipe; 9. a return pipe; 10. a reflux flow meter; 11. an electric control valve; 12. A stop valve; 13. an exhaust valve; 14. a return straight pipe; 15. a reflux bypass pipe; 16. a water inlet tank body.
Detailed Description
The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in figure 1, the external circulation control system of the anaerobic reactor comprises a sewage mixing pipe 1, an anaerobic reactor 5 and a methane degassing tank 6, wherein an inlet of the sewage mixing pipe 1 is connected with a water inlet tank 16, an outlet of the sewage mixing pipe is connected with a reactor water inlet pipe 2, the reactor water inlet pipe 2 is connected with a bottom sewage inlet of the anaerobic reactor 5, the top of the anaerobic reactor 5 is connected with the methane degassing tank 6, a centrifugal pump 3 and a water inlet flowmeter 4 are arranged on the reactor water inlet pipe 2, an upper outlet of the anaerobic reactor 5 is connected with a reflux distribution vertical pipe 7, an upper part of the reflux distribution vertical pipe 7 is connected with a water outlet pipe 8, the bottom of the reflux distribution vertical pipe 7 is connected with a reflux pipe 9, an outlet of the reflux pipe 9 is connected with a reflux straight pipe 14, a reflux flowmeter 10 is arranged on the reflux straight pipe 14, an electric regulating valve 11 and a stop valve 12 are arranged on the reflux straight pipe 14 between the electric regulating valve 11 and the stop valve 12, a reflux bypass pipe 15 is branched, an exhaust valve 13 is arranged on the reflux bypass pipe 15, and an outlet of the reflux bypass pipe 15 is communicated with the sewage mixing pipe 1.
In order to ensure that the external circulation of the anaerobic reactor can realize continuous and stable control, the specific operation mode is as follows: when the sewage liquid level in the tank body at the front end of the anaerobic reactor process is higher than the height of the sewage mixing pipe 1, a return straight pipe stop valve 12 is opened, a centrifugal pump 3 is started, sewage enters the bottom of the anaerobic reactor 5 through a reactor water inlet pipe 2, the proper water inlet flow and the ascending flow rate of the anaerobic reactor 5 are controlled by adjusting the frequency of the centrifugal pump 3, and the biogas generated by the anaerobic reactor 5 is subjected to a post-treatment process after passing through a biogas degassing tank 6; the sewage after anaerobic reaction flows into a reflux distribution vertical pipe 7, a part of sewage flows into the next treatment process through a water outlet pipe 8 at the upper part of the reflux distribution vertical pipe 7, and a part of sewage flows back to a water inlet tank 16 at the front end of the process through a reflux pipe 9 at the bottom of the reflux distribution vertical pipe 7; through adjusting the electric regulating valve 11, controlling proper reflux flow and treatment load of the anaerobic reactor 5, when the flow of the centrifugal pump 3 runs stably, slowly closing the reflux pipeline stop valve 12 until the stop valve 12 is closed tightly, and allowing reflux sewage to flow into the sewage mixing pipe 1 through the reflux bypass pipe 15 and enter the anaerobic reactor 5 again to realize external circulation of the anaerobic reactor; the exhaust valve 13 of the reflux bypass pipe 15 is kept open in the operation process, so that the gas wrapped in the reflux pipeline is discharged in time, and the whole external circulation system of the anaerobic reaction is controlled continuously and stably.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present utility model, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model are all included in the scope of protection of the technical solution of the present utility model.
Claims (6)
1. An anaerobic reactor external circulation control system, comprising: the sewage mixing pipe, anaerobic reactor and marsh gas degassing tank, the import and the inlet tank body coupling of sewage mixing pipe, export and reactor inlet tube coupling, the bottom sewage import of reactor inlet tube and anaerobic reactor links to each other, anaerobic reactor top and marsh gas degassing tank link to each other, anaerobic reactor's upper portion export is connected with the backward flow distribution riser, backward flow distribution riser upper portion and outlet pipe connection, backward flow distribution riser bottom is connected with the back flow, the export and the backward flow straight tube coupling of back flow, the branch is equipped with the backward flow by-pass pipe on the backward flow straight tube, backward flow straight tube exit linkage is to the inlet tank body, backward flow by-pass pipe export and sewage mixing pipe coupling.
2. The anaerobic reactor external circulation control system according to claim 1, wherein a centrifugal pump and a water inflow flowmeter are provided on a water inlet pipe of the reactor.
3. The anaerobic reactor external circulation control system according to claim 1, wherein the reflux pipe is provided with a reflux flow meter.
4. The anaerobic reactor external circulation control system according to claim 1, wherein the return straight pipe is provided with an electric regulating valve and a stop valve.
5. The anaerobic reactor external circulation control system according to claim 4, wherein the inlet of the reflux bypass pipe is connected with a reflux straight pipe between the electric regulating valve and the stop valve.
6. The anaerobic reactor external circulation control system according to claim 1, wherein the reflux bypass pipe is provided with an exhaust valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321286783.5U CN219709271U (en) | 2023-05-25 | 2023-05-25 | Anaerobic reactor external circulation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321286783.5U CN219709271U (en) | 2023-05-25 | 2023-05-25 | Anaerobic reactor external circulation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219709271U true CN219709271U (en) | 2023-09-19 |
Family
ID=87979807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321286783.5U Active CN219709271U (en) | 2023-05-25 | 2023-05-25 | Anaerobic reactor external circulation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219709271U (en) |
-
2023
- 2023-05-25 CN CN202321286783.5U patent/CN219709271U/en active Active
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