CN219752052U - Wastewater treatment device based on biological membrane - Google Patents
Wastewater treatment device based on biological membrane Download PDFInfo
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- CN219752052U CN219752052U CN202320387658.7U CN202320387658U CN219752052U CN 219752052 U CN219752052 U CN 219752052U CN 202320387658 U CN202320387658 U CN 202320387658U CN 219752052 U CN219752052 U CN 219752052U
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- 239000012528 membrane Substances 0.000 title claims abstract description 57
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 23
- 239000002351 wastewater Substances 0.000 claims abstract description 111
- 238000006243 chemical reaction Methods 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000005273 aeration Methods 0.000 claims description 4
- 230000008595 infiltration Effects 0.000 claims description 4
- 238000001764 infiltration Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 241000736262 Microbiota Species 0.000 abstract description 5
- 230000004083 survival effect Effects 0.000 abstract 2
- 150000002894 organic compounds Chemical class 0.000 description 5
- 239000000243 solution Substances 0.000 description 3
- 239000003929 acidic solution Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a wastewater treatment device based on a biological membrane, which comprises a biological reaction tank and a biological membrane component, wherein the biological reaction tank is communicated with the biological membrane component through a pipeline, the biological membrane component is provided with a temperature control system and an online pH meter, the biological membrane component comprises the biological membrane, a water inlet, a permeation port and a water outlet which are arranged on the biological membrane, and the water inlet, the permeation port and the water outlet are all provided with the online pH meter. The utility model can improve the efficiency of the wastewater treatment by a biomembrane method, ensures that the temperature and the pH value in the internal biological reaction box are the most suitable conditions for the survival of microbiota through a temperature control system and a dosing pipe, ensures that the pH in the biomembrane component is suitable for the survival of microbiota through the dosing pipe, ensures the separation efficiency of the biomembrane component, continuously adjusts the flow of wastewater through a wastewater pump, ensures that the flow rate of wastewater through the biomembrane is suitable, improves the separation efficiency of the biomembrane, and timely opens a wastewater circulating system through a wastewater component detection module to ensure the quality of the discharged final wastewater.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to a wastewater treatment device based on a biological membrane.
Background
With the high-speed development of the pharmaceutical industry, the problem of pollution of the pharmaceutical wastewater is increasingly serious, and the pharmaceutical wastewater is one of the industrial wastewater which is extremely difficult to treat due to the characteristics of complex components, high organic matter content, high toxicity and the like, difficult treatment and the like, especially the macromolecular organic compound in the pharmaceutical wastewater.
At present, in the method for effectively treating macromolecular organic compounds in medical wastewater, the biomembrane method has strong adaptability and impact resistance and has good wastewater treatment effect, but the biomembrane method has the defects of easy blockage, sensitivity to water quality and sensitivity to surface wastewater flow rate, and the efficiency of treating the medical wastewater by the biomembrane method is greatly reduced.
In the existing device for treating medical wastewater by using a biomembrane method, the flow rate of the wastewater cannot be effectively controlled, so that the separation efficiency of the biomembrane is low; the water quality of the wastewater can not be effectively controlled, so that the microbial quantity on the biological membrane is reduced, and the separation efficiency is reduced; because of no backflushing device, the biofilm is easy to be blocked, so that shutdown cleaning is required, the biofilm treatment efficiency is seriously influenced, and even the treated medical wastewater can not reach the discharge standard.
Disclosure of Invention
The utility model aims to provide a wastewater treatment device based on a biological membrane, which can at least solve part of defects in the prior art.
In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions: the utility model provides a waste water treatment device based on biomembrane, includes biological reaction box and biomembrane subassembly, biological reaction box pass through the pipeline with biomembrane subassembly intercommunication, the biomembrane subassembly is equipped with temperature control system and online pH meter, the biomembrane subassembly includes the biomembrane and locates water inlet, infiltration mouth and the delivery port on the biomembrane, the water inlet the infiltration mouth with the delivery port all is equipped with online pH meter.
Further, the biological reaction box and the biological membrane component are both provided with a dosing tube.
Further, the temperature control system includes a wastewater cooler and a temperature control valve connected to the bioreactor tank by a conduit.
Further, a waste water pump is arranged on a pipeline of the biological reaction box for introducing waste water; and a waste water pump is also arranged on a pipeline of the biological reaction box communicated with the water outlet.
Further, the biological reaction box is provided with two water outlets, and pipelines of the two water outlets are connected into the biological membrane component through two-position two-way valves.
Further, a wastewater component detection module is arranged at the water outlet end of the biological membrane component.
Further, the infiltration port is connected with the secondary sedimentation tank through a pipeline.
Further, a wastewater circulation system is arranged between the biological reaction box and the biological membrane component.
Further, a stirring assembly is arranged in the biological reaction box.
Further, an aeration component is arranged in the biological reaction box.
Compared with the prior art, the utility model has the beneficial effects that: can improve biomembrane method waste water treatment's efficiency, guarantee interior biological reaction incasement temperature and pH value through temperature control system and charge pipe and be the most suitable condition of microbiota existence, guarantee the existence of the suitable microbiota of pH in the biomembrane subassembly through the charge pipe, guarantee biomembrane subassembly separation efficiency, through the wastewater pump infinitely variable control waste water flow, guarantee to be suitable through biomembrane waste water velocity of flow, improve biomembrane separation efficiency, through waste water composition detection module, open waste water circulation system in good time, guarantee to discharge final waste water quality, through recoil device and two-way valves, recoil the biomembrane subassembly, prevent the biomembrane jam, improve production efficiency.
Drawings
FIG. 1 is a schematic diagram of a biological membrane-based wastewater treatment apparatus according to an embodiment of the present utility model;
FIG. 2 is a detailed schematic diagram of a biofilm module of a biofilm-based wastewater treatment device according to an embodiment of the present utility model;
in the reference numerals: 1-a waste water pump; 2-a waste water cooler; 3-a temperature control valve; 4-a first dosing tube pump; 5-a first dosing tube; 6-a first water inlet; 7-a filter layer; 8-stirring blades; 9-an online pH meter; 10-an aeration head; 11-a biological reaction tank; 12-a second water inlet; 13-a first water outlet; 14-a second water outlet; 15-a third water inlet; a No. 16 wastewater pump; 17-a waste water pump III; 18-a wastewater circulation pump; 19-two-position two-way valve; 20-an online pH meter; 21-a single valve; 22-a second dosing tube pump; 23-a second dosing tube; 24-biofilm module; 25-a wastewater component detection module; 26-an electromagnetic valve; 27-a final wastewater pond; 28-a secondary sedimentation tank; 29-water inlet; 30-biofilm; 31-a permeate port; 32-water outlet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1 and 2, an embodiment of the present utility model provides a wastewater treatment apparatus based on a biological membrane, which includes a biological reaction tank 11, a biological membrane module 24, and a wastewater circulation system. The first wastewater pump 1, the wastewater cooler 2, the temperature control valve 3 and the first dosing pipe 5 are positioned in front of the biological reaction tank 11, the biological reaction tank is provided with a first water inlet 6, a filter layer 7, a stirring device 8, an online pH meter 9 and an aeration head 10, the biological reaction tank 11 is provided with a first water outlet 13, the first water outlet 13 is connected with the inlet end of a biological membrane component 24 through a pipeline, the pipeline is provided with a second wastewater pump 16, a second dosing pipe 23 and a two-way valve 19, three online pH meters 20 are arranged in the biological membrane component 24, the outlet end of the biological membrane component 24 is provided with a wastewater component detection module 25, the wastewater enters a treatment pool through an electromagnetic valve 26, the outlet end of the biological membrane component 24 is provided with a wastewater circulation pump 18 which is connected with the second water inlet 15 through a pipeline, the biological membrane component 24 is connected with the outlet end of the second water outlet 14 through a pipeline, the third wastewater pump 17 and the one-way valve 21 are positioned in the pipeline, the inlet end of the biological membrane component 24 is connected with the third water inlet 12 through a pipeline, and the two-way valve 19 is positioned in the pipeline.
As an optimization scheme of the embodiment of the present utility model, referring to fig. 1 and 2, a first dosing tube 5 and a second dosing tube 23 are disposed in front of the bioreactor 11 and the biofilm assembly 24, and the first dosing tube 5 and the second dosing tube 23 are injected with a solution to change the pH value of the wastewater. An online pH meter 9 is arranged inside the biological reaction tank 11. The biofilm assembly 24 is internally provided with an online pH meter 20. The waste water cooler 2 and the temperature control valve 3 are arranged in front of the biological reaction tank 11. A wastewater circulating pump 18 is arranged between the biological reaction tank 11 and the biological membrane component 24. The water outlet end of the biological membrane component 24 is provided with a wastewater component detection module 25 for controlling the wastewater circulating pump 18. A one-way valve 21 is arranged between the biological reaction tank 1 and the biological membrane component 24, and the second water outlet 14 of the biological reaction tank 11 and the outlet end of the biological membrane component 24 are connected through a pipeline. A second wastewater pump 16 is arranged between the biological reaction tank 11 and the biological membrane component 24, and is connected with a first water outlet 13 of the biological reaction tank 11 and an inlet end of the biological membrane component 24 through a pipeline.
In the above embodiment, referring to fig. 1 and 2, a waste water cooler 2 and a temperature control valve 3 are disposed in front of a bioreactor 11, and the waste water is controlled by the waste water cooler, and is passed through two pipelines, one pipeline is provided with the waste water cooler 2 to cool the waste water, and the other pipeline is directly led to the following device, and a first dosing pipe 5 is disposed in front of the bioreactor 11 to add an acidic solution into the waste water to adjust the pH value of the waste water.
The temperature control system controls the temperature of wastewater, calculates the temperature of wastewater input into the biological reaction tank according to the temperature in the biological reaction tank 11, ensures that the temperature in the biological reaction tank 11 is kept stable, controls the pH value of wastewater input into the biological reaction tank 11 through a first dosing pipe 5 in front of the biological reaction tank 11, calculates the pH value of wastewater input into the biological reaction tank 11 according to the pH value measured and calculated on line in the biological reaction tank 11, adds a reagent containing solution into the input wastewater, ensures that the pH value in the biological reaction tank 11 is kept at about 7, and enables wastewater with proper temperature and pH to enter the biological reaction tank for biological oxidation reaction.
Referring to fig. 1 and 2, the wastewater pumped by the wastewater pump No. 16 enters the biofilm assembly 24, the wastewater pumped by the wastewater pump No. 16 is a centrifugal pump, the wastewater pumped by the biofilm assembly 24 can be steplessly regulated, a second dosing pipe 23 is arranged in front of the biofilm assembly 24, an acidic solution is added into the wastewater to regulate the pH value of the wastewater, and three online pH meters are respectively arranged in the water inlet 29, the water outlet 32 and the permeation port 31 inside the biofilm assembly 24. The second wastewater pump 16 pumps wastewater into the biological membrane component 24 through the two-position two-way valve, the second wastewater pump 16 controls the wastewater flow, the pumped flow is judged according to the content of macromolecular organic compounds in wastewater detected by the wastewater component detection module 25 at the outlet end of the biological membrane component 24, the speed of the wastewater flowing through the surface of the biological membrane is accelerated or slowed down, the separation efficiency of the biological membrane is improved, the pH value of the wastewater input into the biological membrane component is controlled through the second dosing tube 23, the pH value of the wastewater input into the biological membrane component is calculated according to the pH values measured and calculated by the online pH meters 20 at the three positions of the water inlet 29, the permeation port 31 and the water outlet 32 in the biological membrane component, one online pH meter is selected as a main detection point by the three online pH meters according to the different components of the wastewater, the other two are auxiliary detection points, the three have smaller phase differences, the pH value in the biological membrane component 24 is ensured to be kept at about 7, and the number of microbiota in the biological membrane component is improved.
In addition, referring to fig. 1, a wastewater component detection module 25 is disposed at an outlet end of the biofilm assembly 24, the wastewater enters a final wastewater tank 27 through an electromagnetic valve 26, a wastewater circulating pump 18 is disposed at an outlet end of the biofilm assembly 24 and is connected with the second water inlet 15 through a pipeline, and the wastewater circulating pump 18 is a centrifugal pump capable of steplessly adjusting the flow of wastewater pumped back to the bioreactor tank 11. The solenoid valve 26 at the outlet end of the biomembrane assembly and the wastewater circulating pump 18 control the content of macromolecular organic compounds in the finally treated wastewater, the opening of the solenoid valve 26 and the power of the wastewater circulating pump are judged according to the content of macromolecular organic compounds in the wastewater detected by the wastewater component detection module, and the solenoid valve 26 and the wastewater circulating pump are matched with each other so that one part of wastewater is discharged into a final wastewater tank 27, and the other part of wastewater returns to the biological reaction tank 11 through the wastewater circulating pump for circulating treatment, so that the medical wastewater discharged into the final wastewater tank is finally ensured to reach relevant regulations. The second water outlet 14 is connected with the outlet end of the biological membrane component 24 through a pipeline, the third wastewater pump 17 and the one-way valve 21 are positioned on the pipeline, the inlet end of the biological membrane component 24 is connected with the third water inlet 12 through a pipeline, and the two-position two-way valve 19 is positioned on the pipeline. The third wastewater pump 17 is used for backflushing the biological membrane component, judging whether the biological membrane component 24 is blocked according to the working condition of the second wastewater pump 16, and the two-position two-way valve is communicated with the lower part 19 after the blocking, and the third wastewater pump 17 is used for reversely passing the wastewater through the biological membrane component 24 to flush the biological membrane, so that the biological membrane is prevented from being blocked, and the efficiency of the biological membrane component 24 is improved.
In conclusion, the utility model can greatly improve the oxidation reaction and separation efficiency in the biological reaction tank and the biological membrane component, effectively reduce the possibility of biological membrane blockage, and simultaneously ensure that the finally discharged wastewater meets the relevant specified requirements, so that the medical wastewater is properly solved, and the utility model is worthy of popularization.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a wastewater treatment device based on biomembrane, includes biological reaction case and biomembrane subassembly, biological reaction case pass through the pipeline with biomembrane subassembly intercommunication, its characterized in that: the biological membrane assembly is provided with a temperature control system and an online pH meter, and comprises a biological membrane, a water inlet, a permeation port and a water outlet which are formed in the biological membrane, wherein the water inlet, the permeation port and the water outlet are all provided with the online pH meter.
2. A biofilm-based wastewater treatment device as claimed in claim 1, wherein: the biological reaction box and the biological membrane component are both provided with a dosing tube.
3. A biofilm-based wastewater treatment device as claimed in claim 1, wherein: the temperature control system comprises a wastewater cooler and a temperature control valve, and the wastewater cooler and the temperature control valve are connected to the biological reaction tank through pipelines.
4. A biofilm-based wastewater treatment device as claimed in claim 1, wherein: a waste water pump is arranged on a pipeline of the biological reaction tank for introducing waste water; and a waste water pump is also arranged on a pipeline of the biological reaction box communicated with the water outlet.
5. A biofilm-based wastewater treatment device as claimed in claim 4, wherein: the biological reaction box is provided with two water outlets, and the pipelines of the two water outlets are connected into the biological membrane component through two-position two-way valves.
6. A biofilm-based wastewater treatment device as claimed in claim 1, wherein: the water outlet end of the biological membrane component is provided with a wastewater component detection module.
7. A biofilm-based wastewater treatment device as claimed in claim 1, wherein: the infiltration port is connected with the secondary sedimentation tank through a pipeline.
8. A biofilm-based wastewater treatment device as claimed in claim 1, wherein: and a wastewater circulating system is also arranged between the biological reaction tank and the biological membrane component.
9. A biofilm-based wastewater treatment device as claimed in claim 1, wherein: and a stirring assembly is arranged in the biological reaction box.
10. A biofilm-based wastewater treatment device as claimed in claim 1, wherein: an aeration component is arranged in the biological reaction box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320387658.7U CN219752052U (en) | 2023-03-03 | 2023-03-03 | Wastewater treatment device based on biological membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320387658.7U CN219752052U (en) | 2023-03-03 | 2023-03-03 | Wastewater treatment device based on biological membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219752052U true CN219752052U (en) | 2023-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320387658.7U Active CN219752052U (en) | 2023-03-03 | 2023-03-03 | Wastewater treatment device based on biological membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219752052U (en) |
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2023
- 2023-03-03 CN CN202320387658.7U patent/CN219752052U/en active Active
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