CN220449964U - Municipal wastewater advanced treatment device - Google Patents
Municipal wastewater advanced treatment device Download PDFInfo
- Publication number
- CN220449964U CN220449964U CN202321579356.6U CN202321579356U CN220449964U CN 220449964 U CN220449964 U CN 220449964U CN 202321579356 U CN202321579356 U CN 202321579356U CN 220449964 U CN220449964 U CN 220449964U
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- Prior art keywords
- coagulation tank
- membrane
- valve
- magnetic coagulation
- water inlet
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- 239000010841 municipal wastewater Substances 0.000 title claims description 4
- 239000012528 membrane Substances 0.000 claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 230000015271 coagulation Effects 0.000 claims abstract description 47
- 238000005345 coagulation Methods 0.000 claims abstract description 47
- 238000005273 aeration Methods 0.000 claims abstract description 40
- 239000010865 sewage Substances 0.000 claims abstract description 33
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 29
- 239000013505 freshwater Substances 0.000 claims abstract description 16
- 239000012141 concentrate Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 16
- 239000012510 hollow fiber Substances 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 239000006247 magnetic powder Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000000721 bacterilogical effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Abstract
The utility model discloses a municipal sewage advanced treatment device, which belongs to the technical field of sewage treatment and comprises a magnetic coagulation tank, a turbidity meter, an ultrafiltration membrane component and a membrane aeration bioreactor, wherein the magnetic coagulation tank is connected with the turbidity meter through a water outlet of the magnetic coagulation tank and a pipeline, the turbidity meter is respectively connected with the ultrafiltration membrane component and the membrane aeration bioreactor through the pipeline, the ultrafiltration membrane component is connected with a water inlet of the magnetic coagulation tank through the pipeline and a concentrate valve, the ultrafiltration membrane component is connected with a discharge pipe through a fresh water outlet, a fresh water valve is arranged on the discharge pipe, a discharge port is arranged on one side of the membrane aeration bioreactor, and a water outlet valve is arranged on the discharge port through the pipeline, and the municipal sewage advanced treatment device has the beneficial effects that: the system has high integration degree, can automatically identify the turbidity of water quality by the turbidity meter, flexibly processes the magnetic coagulation and ultrafiltration or the magnetic coagulation and membrane aeration bioreactor process according to the turbidity range, has low operation cost, can realize the advanced treatment research of sewage and has strong practicability.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a municipal sewage advanced treatment device.
Background
The secondary effluent condition of sewage treatment is used as a standard, and although the effluent quality meets the specified requirement, the effluent is treated by adopting an activated sludge method generally, so that organic matters which are difficult to remove are easily formed, the effect of chlorine removal and phosphorus removal is not ideal, and the specific operation is not perfect. The advanced sewage treatment is particularly important to adopt a proper advanced treatment form for pollutants which are not easy to degrade and substances which are difficult to thoroughly remove by bacteriological standards during the secondary treatment so as to meet the regulations of the related field on the water quality. When the traditional secondary effluent is used for treating organic matters, a biological activated carbon adsorption mode is generally used, more cost is not required, the method has the defects that saturation is likely to be generated after adsorption, and then the repeated adsorption-desorption is carried out, so that the service time of the activated carbon is greatly reduced, the replacement rate is improved, and a large amount of expenses are input in the process, so that the method is not generally applied to sewage deep treatment work.
Along with the continuous improvement of environmental protection standards and sewage treatment standards, some old sewage treatment plants are difficult to reach the standard due to process and equipment, a single sewage treatment mode is gradually abandoned, and upgrading and reconstruction of the traditional sewage treatment plants become necessary. As most of organic matters, nitrogen, phosphorus and other pollutants are removed after the urban sewage is treated by the secondary organisms, the concentration of the residual pollutants in the effluent can generally reach the pollutant emission standard of urban sewage treatment plants
The first-level B standard in (GB/T18918-2002) can not meet the requirement of recycling sewage. Therefore, further advanced treatment is required. The utility model adopts the technical process combination of magnetic flocculation, ultrafiltration and membrane aeration bioreactors, and can further remove suspended matters, chromaticity, organic matters and the like remained in the secondary sedimentation tank effluent, so that various indexes such as water turbidity, suspended solids, total bacteria, escherichia coli and the like of the secondary sedimentation tank effluent are obviously improved, the secondary sedimentation tank effluent has excellent sanitary standard, the treatment effect and stability and reliability, and finally the effluent meets the requirements of urban sewage recycling urban miscellaneous Water quality GB/T18920-2020, and the effluent can be used for urban greening, road cleaning, fire fighting, building construction and the like.
In the existing sewage treatment method, if the water quality after treatment is better, the cost is high; when the sewage treatment cost is reduced, the sewage treatment quality is lower, and the balance of the cost and the quality cannot be achieved.
Disclosure of Invention
The technical problem to be solved by the utility model is to solve the above problems.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a municipal wastewater advanced treatment device, includes magnetism coagulation tank, turbidimeter, milipore filter subassembly and membrane aeration bioreactor, magnetism coagulation tank is through magnetism coagulation tank delivery port and pipe connection turbidimeter, and the milipore filter subassembly is connected respectively with membrane aeration bioreactor through the pipeline to the turbidimeter, and the milipore filter subassembly passes through pipeline and dense water valve to be connected magnetism coagulation tank water inlet, and the milipore filter subassembly passes through fresh water exit linkage drain pipe, is provided with the fresh water valve on the drain pipe, and one side of membrane aeration bioreactor is provided with the discharge port, and the discharge port is provided with the outlet valve through the pipeline.
The top of the magnetic coagulation tank is provided with a stirring pump, the output end of the stirring pump is connected with a stirring paddle, and the stirring paddle is arranged in the magnetic coagulation tank.
The two sides of the magnetic coagulation tank are respectively provided with a magnetic coagulation tank water outlet and a magnetic coagulation tank water inlet, and the bottom of the magnetic coagulation tank is provided with a mud valve.
The turbidity meter is provided with a display screen and a control switch.
The inside of milipore filter subassembly is provided with hollow fiber milipore filter silk, and milipore filter subassembly's upper portion is provided with the water inlet, is provided with the solenoid valve on the water inlet, and milipore filter subassembly's bottom is provided with dense water export, is provided with dense water valve on the dense water export, and one side of milipore filter subassembly bottom is provided with the fresh water export.
The membrane aeration bioreactor is characterized in that a membrane wire is arranged in the membrane aeration bioreactor, one end of the membrane wire is sequentially provided with a pressure gauge, a regulating valve and an aeration pump through a pipeline, a water inlet of the membrane aeration bioreactor is arranged on the other side of the membrane aeration bioreactor, and an electromagnetic valve is arranged on the water inlet of the membrane aeration bioreactor.
And a connecting pipeline between the ultrafiltration membrane component and the turbidity meter is sequentially provided with a membrane component water inlet electromagnetic valve, a booster pump, a precision filter, a high-pressure pump, a flow valve, a flowmeter and a water inlet pressure gauge.
Compared with the prior art, the utility model has the following beneficial effects:
the system has high sewage treatment efficiency, adopts the ultrafiltration membrane with high flux, anti-fouling and corrosion resistance and the tortuous winding composite compact hollow fiber membrane, has excellent treatment effect, can treat bacteria in sewage, reduces the turbidity of effluent, can intercept organic matters, and ensures that the effluent quality reaching the standard is obtained.
The system has high integration degree, can automatically identify the turbidity of water quality by the turbidity meter, flexibly processes the magnetic coagulation and ultrafiltration or the magnetic coagulation and membrane aeration bioreactor process according to the turbidity range, has low operation cost, can realize the advanced treatment research of sewage and has strong practicability.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Figure number and name: the device comprises a magnetic coagulation tank 1, a stirring pump 2, a magnetic coagulation tank water outlet 3, a mud valve 4, a magnetic coagulation tank water inlet 5, a stirring paddle 6, a turbidity meter 7, a display screen 8, a control switch 9, a membrane module water inlet electromagnetic valve 10, a membrane aeration bioreactor water inlet electromagnetic valve 11, a water inlet 12, a fresh water outlet 13, a concentrate outlet 14, an ultrafiltration membrane module 15, a concentrate valve 16, a membrane aeration bioreactor water inlet 17, a pressure gauge 18, a regulating valve 19, an aeration pump 20, a membrane aeration bioreactor 21, a discharge port 22, a water outlet valve 23, a membrane wire 24, a fresh water valve 25, a booster pump 26, a precision filter 27, a high pressure pump 28, a flow valve 29, a flowmeter 30 and a water inlet pressure gauge 31.
Detailed Description
The present utility model will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the illustrative embodiments and descriptions of the utility model are for illustration, but not for limitation.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1
As shown in figure 1, the municipal sewage advanced treatment device comprises a magnetic coagulation tank 1, a turbidity meter 7, an ultrafiltration membrane component 15 and a membrane aeration biological reactor 21, wherein the magnetic coagulation tank 1 is connected with the turbidity meter 7 through a magnetic coagulation tank water outlet 3 and a pipeline, the turbidity meter 7 is respectively connected with the ultrafiltration membrane component 15 and the membrane aeration biological reactor 21 through the pipeline, the ultrafiltration membrane component 15 is connected with a magnetic coagulation tank water inlet 5 through the pipeline and a concentrate valve 16, the ultrafiltration membrane component 15 is connected with a discharge pipe through a fresh water outlet 13, a fresh water valve 25 is arranged on the discharge pipe, one side of the membrane aeration biological reactor 21 is provided with a discharge port 22, the discharge port 22 is provided with a water outlet valve 23 through the pipeline, the top of the magnetic coagulation tank 1 is provided with a stirring pump 2, the output end of the stirring pump 2 is connected with a stirring paddle 6, the stirring paddle 6 is arranged in the magnetic coagulation tank 1, the two sides of the magnetic coagulation tank 1 are respectively provided with a magnetic coagulation tank water outlet 3 and a magnetic coagulation tank water inlet 5, the bottom of the magnetic coagulation tank 1 is provided with a mud valve 4, the turbidity meter 7 is provided with a display screen 8 and a control switch 9, the inside of the ultrafiltration membrane component 15 is provided with hollow fiber ultrafiltration membrane wires, the upper part of the ultrafiltration membrane component 15 is provided with a water inlet 12, the water inlet 12 is provided with an electromagnetic valve, the bottom of the ultrafiltration membrane component 15 is provided with a concentrated water outlet 14, the concentrated water outlet 14 is provided with a concentrated water valve 16, one side of the bottom of the ultrafiltration membrane component 15 is provided with a fresh water outlet 13, the inside of the membrane aeration bioreactor 21 is provided with membrane wires 24, one end of each membrane wire 24 is provided with a membrane aeration bioreactor water inlet 17 through a pipeline in turn, a regulating valve 19 and an aeration pump 20, a solenoid valve is arranged on the water inlet 17 of the membrane aeration bioreactor; the membrane module water inlet electromagnetic valve 10, the booster pump 26, the precision filter 27, the high-pressure pump 28, the flow valve 29, the flowmeter 30 and the water inlet pressure gauge 31 are sequentially arranged on a connecting pipe between the ultrafiltration membrane module 15 and the turbidimeter 7.
8-50g/m3 of polyaluminum chloride, 0.5-1.5g/m3 of polyacrylamide and 1-5g/m3 of magnetic powder are added into the magnetic coagulation tank 1 during operation, and the magnetic powder adopts one or more of iron powder or magnetic ferric oxide, so that the dosage of the medicament can be saved by 15-25 percent compared with the conventional coagulation sedimentation process.
The turbidimeter 7 adopts a high-precision turbidimeter with the pressure less than or equal to 0.4MPa and the measurement range of 0-4000NTU, and can automatically identify the turbidity of water quality to enter the subsequent process treatment.
The hollow fiber ultrafiltration membrane wire adopts a PVDF ultrafiltration membrane component with high flux, dirt resistance and corrosion resistance, can treat bacteria in sewage, reduce the turbidity of effluent, and can intercept organic matters simultaneously to ensure that the ideal effluent quality is obtained.
The membrane filaments 24 are composite compact hollow fiber membranes with through type and tensile strength of 65.4MPa, and the arrangement mode of the membrane filaments 24 adopts a zigzag winding mode, so that the water flow direction and the membrane filaments can be kept vertical as much as possible, and the water flow passes through the surfaces of the membrane filaments in a cross flow mode, and the convection transfer of pollutants on the surfaces of the membranes can be enhanced.
The water to be treated enters the magnetic coagulation tank 1 from the water inlet 5 of the magnetic coagulation tank, is stirred by driving the stirring paddle 6 through the stirring pump 2 after adding polyaluminium chloride, polyacrylamide and magnetic powder, enters the turbidimeter 7 from the water outlet 3 of the magnetic coagulation tank after precipitating for 8-15min, is monitored on line by the turbidimeter 7, enters the ultrafiltration membrane component 15 from the water inlet 12 under the control of the membrane component water inlet electromagnetic valve 10 when the turbidimeter is in the range of 0-50NTU for treatment, and is discharged up to standard from the fresh water outlet 13 after the fresh water is opened by the fresh water valve 25 after the treatment, and the concentrated water returns to the magnetic coagulation tank 1 from the concentrated water outlet 14 for circulation treatment after the concentrated water valve 16 is opened; when the turbidity is 50-4000NTU, the sewage enters the membrane aeration bioreactor 21 through the water inlet electromagnetic valve 11 of the membrane aeration bioreactor, the sewage is subjected to reaction treatment in the membrane aeration bioreactor 21 under the condition that the aeration pump 20 drives the membrane wires 24 to perform aeration, and the treated water reaching the standard is discharged through the discharge outlet 22 after the water outlet valve 23 is opened.
The water pressure entering the ultrafiltration membrane component 15 and the data such as the flow rate can be clearly seen to be strictly controlled through the booster pump 26, the precise filter 27, the high-pressure pump 28, the flow valve 29, the flowmeter 30 and the water inlet pressure gauge 31, so that the filtration effect of the ultrafiltration membrane is controlled.
The foregoing has outlined the detailed description of the embodiments of the present utility model, and the detailed description of the embodiments and the embodiments of the present utility model has been provided herein by way of illustration of specific examples, which are intended to be merely illustrative of the principles of the embodiments of the present utility model.
Claims (7)
1. The utility model provides a municipal wastewater advanced treatment device, includes magnetism coagulation tank (1), turbidimeter (7), milipore filter subassembly (15) and membrane aeration bioreactor (21), its characterized in that: the magnetic coagulation tank (1) is connected with the turbidity meter (7) through a magnetic coagulation tank water outlet (3) and a pipeline, the turbidity meter (7) is respectively connected with the ultrafiltration membrane component (15) and the membrane aeration bioreactor (21) through the pipeline, the ultrafiltration membrane component (15) is connected with the magnetic coagulation tank water inlet (5) through the pipeline and the concentrate valve (16), the ultrafiltration membrane component (15) is connected with the discharge pipe through the fresh water outlet (13), the discharge pipe is provided with the fresh water valve (25), one side of the membrane aeration bioreactor (21) is provided with the discharge port (22), and the discharge port (22) is provided with the water outlet valve (23) through the pipeline.
2. The municipal sewage advanced treatment apparatus according to claim 1, wherein: the top of the magnetic coagulation tank (1) is provided with a stirring pump (2), the output end of the stirring pump (2) is connected with a stirring paddle (6), and the stirring paddle (6) is arranged inside the magnetic coagulation tank (1).
3. The municipal sewage advanced treatment apparatus according to claim 2, wherein: the two sides of the magnetic coagulation tank (1) are respectively provided with a magnetic coagulation tank water outlet (3) and a magnetic coagulation tank water inlet (5), and the bottom of the magnetic coagulation tank (1) is provided with a mud valve (4).
4. A municipal sewage advanced treatment apparatus according to claim 3, wherein: the turbidity meter (7) is provided with a display screen (8) and a control switch (9).
5. The municipal sewage advanced treatment apparatus according to claim 4, wherein: the inside of milipore filter subassembly (15) is provided with hollow fiber milipore filter silk, and the upper portion of milipore filter subassembly (15) is provided with water inlet (12), is provided with the solenoid valve on water inlet (12), and the bottom of milipore filter subassembly (15) is provided with dense water export (14), is provided with dense water valve (16) on dense water export (14), and one side of milipore filter subassembly (15) bottom is provided with fresh water export (13).
6. The municipal sewage advanced treatment apparatus according to claim 5, wherein: the membrane aeration bioreactor is characterized in that a membrane wire (24) is arranged in the membrane aeration bioreactor (21), one end of the membrane wire (24) is sequentially provided with a pressure gauge (18), a regulating valve (19) and an aeration pump (20) through a pipeline, a membrane aeration bioreactor water inlet (17) is arranged on the other side of the membrane aeration bioreactor (21), and an electromagnetic valve is arranged on the membrane aeration bioreactor water inlet (17).
7. The municipal sewage advanced treatment apparatus according to claim 6, wherein: a membrane assembly water inlet electromagnetic valve (10), a booster pump (26), a precision filter (27), a high-pressure pump (28), a flow valve (29), a flowmeter (30) and a water inlet pressure gauge (31) are sequentially arranged on a connecting pipeline between the ultrafiltration membrane assembly (15) and the turbidity meter (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321579356.6U CN220449964U (en) | 2023-06-20 | 2023-06-20 | Municipal wastewater advanced treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321579356.6U CN220449964U (en) | 2023-06-20 | 2023-06-20 | Municipal wastewater advanced treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220449964U true CN220449964U (en) | 2024-02-06 |
Family
ID=89731934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321579356.6U Active CN220449964U (en) | 2023-06-20 | 2023-06-20 | Municipal wastewater advanced treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220449964U (en) |
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2023
- 2023-06-20 CN CN202321579356.6U patent/CN220449964U/en active Active
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