CN216890319U - Integrated sewage treatment equipment for expressway service area - Google Patents
Integrated sewage treatment equipment for expressway service area Download PDFInfo
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- CN216890319U CN216890319U CN202220357817.4U CN202220357817U CN216890319U CN 216890319 U CN216890319 U CN 216890319U CN 202220357817 U CN202220357817 U CN 202220357817U CN 216890319 U CN216890319 U CN 216890319U
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- anaerobic
- aerobic
- tank
- filler
- overflow weir
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- 239000010865 sewage Substances 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000000945 filler Substances 0.000 claims abstract description 43
- 238000009826 distribution Methods 0.000 claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000003197 catalytic effect Effects 0.000 claims abstract description 11
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims abstract description 11
- 238000005273 aeration Methods 0.000 claims description 37
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 description 14
- 231100000719 pollutant Toxicity 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 229910000975 Carbon steel Inorganic materials 0.000 description 5
- 239000010962 carbon steel Substances 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004060 metabolic process Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- -1 organic matters Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910017112 Fe—C Inorganic materials 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- CKMXBZGNNVIXHC-UHFFFAOYSA-L ammonium magnesium phosphate hexahydrate Chemical compound [NH4+].O.O.O.O.O.O.[Mg+2].[O-]P([O-])([O-])=O CKMXBZGNNVIXHC-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052567 struvite Inorganic materials 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model provides integrated sewage treatment equipment for a highway service area, which comprises an anaerobic tank and an aerobic tank, wherein one side of the upper end of the anaerobic tank is provided with an anaerobic water inlet, the other side of the upper end of the anaerobic tank is provided with an anaerobic water outlet, and a water distribution pipe, an anaerobic filler support and an anaerobic overflow weir are sequentially arranged in the anaerobic tank at intervals from bottom to top; the water distribution pipe is arranged along the horizontal direction and is communicated and connected with the anaerobic water inlet through a pipeline, and the bottom of the water distribution pipe is provided with two rows of staggered and inclined downward 45-degree water distribution holes; a plurality of anaerobic filler balls are distributed on the anaerobic filler support, and an iron matrix catalytic activity biological carrier is filled in each anaerobic filler ball; the utility model provides sewage treatment equipment which is suitable for the sewage characteristics of expressway service areas and management stations and has small maintenance workload, is suitable for sewage treatment of the expressway service areas and the management stations, and can also be used for small sewage stations such as villages and small towns, residential quarters, office units and the like.
Description
Technical Field
The utility model relates to sewage treatment equipment, in particular to integrated sewage treatment equipment for a highway service area.
Background
The characteristics of highway service area sewage: 1. the water quantity fluctuation is large, and the change coefficient can reach more than 500 percent; 2. carbon-nitrogen ratio is not adjusted; 3. the lack of professional operation and maintenance personnel and operation and maintenance technology;
at present, the following technologies are mainly adopted for treating the sewage in the service area of the expressway:
(1) AAO anaerobic + anoxic + aerobic + filtering process
The process mainly utilizes the metabolism of bacteria and microorganisms to remove pollutants, and has the characteristics of simple operation and low energy consumption. However, the process cannot adapt to the large change of water quantity, the treatment effect can be greatly reduced under the condition of imbalance of pollutants, and low-water-temperature sewage cannot be treated, so that the characteristics of sewage generation in a service area of an expressway cannot be met, and the sewage treatment effect cannot meet the requirements of relevant standards;
(2) AAO + MBR anaerobic + anoxic + aerobic + MBR process
The process mainly utilizes the metabolism of bacteria and microorganisms to remove pollutants, and then filters particulate matters in the sewage and pollutants attached to the particulate matters through an MBR membrane. Compared with AAO, the process has the characteristics of better treatment effect and quick response. However, the process still cannot adapt to the large change of water quantity, the treatment effect can be greatly reduced under the condition of imbalance of pollutants, and the low-water-temperature sewage cannot be treated, and the process has the defects of complex operation, high energy consumption and high operation and maintenance difficulty, so that the characteristics of sewage generation in a service area of an expressway cannot be met, and the sewage treatment effect cannot meet the requirements of relevant standards;
the current situation that the sewage treatment technology adopted by the expressway service area cannot meet the characteristics of the sewage of the expressway service area and is suitable for the sewage problem of the service area exists, so that a novel device is urgently needed to solve the problem.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in an effort to provide an integrated sewage treatment apparatus for a service area of an expressway, which solves the above-mentioned problems occurring in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
an integrated sewage treatment device for a highway service area comprises an anaerobic tank and an aerobic tank, wherein one side of the upper end of the anaerobic tank is provided with an anaerobic water inlet, the other side of the upper end of the anaerobic tank is provided with an anaerobic water outlet, and a water distribution pipe, an anaerobic filler support and an anaerobic overflow weir are sequentially arranged in the anaerobic tank from bottom to top at intervals;
the water distribution pipe is arranged along the horizontal direction and is communicated and connected with the anaerobic water inlet through a pipeline, and the bottom of the water distribution pipe is provided with two rows of staggered and inclined downward 45-degree water distribution holes;
a plurality of anaerobic filler balls are distributed on the anaerobic filler support, and an iron matrix catalytic activity biological carrier is filled in each anaerobic filler ball;
the anaerobic overflow weir is communicated and connected with the anaerobic water outlet;
the lower end of the aerobic tank is provided with an aerobic water inlet which is communicated and connected with the anaerobic water outlet through a pipeline; one side of the upper end of the aerobic tank is provided with an aeration port, the other side of the upper end of the aerobic tank is provided with an aerobic water outlet, and an aeration pipe, an aerobic filler support and an aerobic overflow weir are sequentially arranged in the aerobic tank from bottom to top at intervals;
the aeration pipe is arranged along the horizontal direction and is communicated with the aeration port through a pipeline, and the bottom of the aeration pipe is provided with two rows of staggered aeration holes which are inclined downwards by 45 degrees;
a plurality of aerobic filler balls are distributed on the aerobic filler support, and an iron matrix catalytic activity biological carrier is filled in each aerobic filler ball;
the aerobic overflow weir is communicated and connected with the aerobic water outlet.
As a further scheme of the utility model: the aperture position of the water distribution holes is 1-20mm, and the distance between every two water distribution holes is 100-300 mm.
As a further scheme of the utility model: the anaerobic overflow weir is of a box-shaped structure with an open upper end, the top of the anaerobic overflow weir is in a sawtooth shape, the height of sawteeth of the anaerobic overflow weir is 50-100mm, the distance between the sawteeth is 50-100mm, and the included angle between the sawteeth is 45-90 degrees; the structure of the aerobic overflow weir is the same as that of the anaerobic overflow weir.
As a further scheme of the utility model: the aperture of the aeration holes is 1-5mm, and the distance between every two aeration holes is 100-300 mm.
Compared with the prior art, the utility model has the beneficial effects that:
after the structure is adopted, the water distribution pipe, the water distribution holes, the aeration pipe and the aeration holes are specially designed, so that water flow and air flow are uniformly distributed, and the aeration device is more convenient to maintain and replace compared with the traditional aeration device; the filler adopts an iron matrix catalytic activity biological carrier, can effectively remove pollutants such as organic matters, nitrogen, phosphorus, heavy metal suspended matters and the like in the sewage, and has good sewage treatment effect at low temperature (0-14 ℃).
The utility model is divided into an anaerobic tank and an aerobic tank, which not only has convenient installation and maintenance, small floor area and simple and easy pipeline laying, but also can better control the processing time of each part, thereby obtaining better purification quality. The utility model provides sewage treatment equipment which is suitable for the sewage characteristics of expressway service areas and management stations and has small maintenance workload, is suitable for sewage treatment of the expressway service areas and the management stations, and can also be used for small sewage stations such as villages and small towns, residential quarters, office units and the like.
Drawings
FIG. 1 is a schematic view showing the construction of an integrated sewage treatment apparatus for a service area of an expressway.
FIG. 2 is a schematic plan view showing a structure of a water distribution pipe and an aeration pipe in an integrated sewage treatment apparatus for a service area of an expressway.
FIG. 3 is a schematic structural view showing a cross section of a water distribution pipe and an aeration pipe in an integrated sewage treatment apparatus for a service area of an expressway.
FIG. 4 is a schematic view showing the construction of an overflow weir in an integrated sewage treatment apparatus for a service area of an expressway.
In the figure: 1. an anaerobic jar; 2. an aerobic tank; 3. an anaerobic water inlet; 4. an anaerobic water outlet; 5. a water distribution pipe; 6. an anaerobic filler support; 7. an anaerobic overflow weir; 8. water distribution holes; 9. anaerobic filler balls; 10. an aerobic water inlet; 11. an air exposure port; 12. an aerobic water outlet; 13. an aeration pipe; 14. an aerobic filler support; 15. an aerobic overflow weir; 16. an aeration hole; 17. and (5) aerobic filler balls.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-4, an integrated sewage treatment device for a service area of a highway comprises an anaerobic tank 1 and an aerobic tank 2, wherein the anaerobic tank 1 is made of carbon steel as a whole, and if the anaerobic tank is placed in the open air, reinforcing ribs and a rock wool heat insulation layer are added outside the anaerobic tank 1 to ensure the structural strength of the device and the water temperature in the device; in the embodiment, the diameter of the anaerobic tank 1 is 1000-3000mm, and the height thereof is 2000-6000mm, and the specific size is determined according to the sewage treatment capacity.
An anaerobic water inlet 3 is formed in one side of the upper end of the anaerobic tank 1, the anaerobic water inlet 3 is connected with an external sewage lifting pump to input sewage to be treated into integrated equipment, the diameter of a pipe orifice of the anaerobic water inlet 3 is determined according to the treatment capacity of the equipment, and the caliber is generally DN25-DN 80. An anaerobic water outlet 4 is arranged on the other side of the upper end of the anaerobic tank 1, and sewage is treated by the anaerobic tank 1 and then flows to an aerobic water inlet 10 on the aerobic tank 2 through the anaerobic water outlet 4; the anaerobic water outlet 4 is made of carbon steel, and the connector is in flange connection. A water distribution pipe 5, an anaerobic filler bracket 6 and an anaerobic overflow weir 7 are sequentially arranged in the anaerobic tank 1 from bottom to top at intervals;
the water distribution pipe 5 is arranged along the horizontal direction and is communicated and connected with the anaerobic water inlet 3 through a pipeline, water flow is uniformly distributed into the equipment through the specially designed water distribution pipe 5, and the water distribution pipe 5 is made of carbon steel and is connected with the pipeline through a flange; the bottom of the water distribution pipe 5 is provided with two rows of staggered and inclined downward 45-degree water distribution holes 8, and water flow is uniformly distributed into the equipment;
a plurality of anaerobic filler balls 9 are distributed on the anaerobic filler support 6, and the anaerobic filler support 6 is generally made of steel grating plates and glass fiber reinforced plastic grates; the anaerobic filler balls 9 are filled with iron matrix catalytic activity biological carriers; the filler is a material for purifying sewage, and is filled through the filler balls, so that the filler is convenient to replace. Part of the fillers respectively play roles of adsorption, filtration and the like, and the core filler is an iron matrix catalytic activity biological carrier. The purification of the sewage is to remove particles, suspended matters and organic pollutants in the sewage through the adsorption effect of carriers. Fe-C primary cell reaction occurs in the iron matrix catalytic activity biological carrier, electrons are released into the sewage, and oxidation and reduction reactions of nitrogen pollutants and phosphorus pollutants in the sewage are realized through the migration of the electrons, so that the nitrogen pollutants are decomposed into nitrogen and water, and the nitrogen is separated out from the water. The phosphorus pollutants are generated into struvite which is attached to the surface of the filler ball. Therefore, the sewage treatment equipment avoids the water temperature condition required by the traditional activated sludge method for removing pollutants by using microorganisms (the traditional activated sludge method depends on the metabolism of the microorganisms to remove the pollutants and needs to adopt good effect at the water temperature of more than 14 ℃), and has good treatment effect as long as the water temperature is above zero.
The whole body of the aerobic tank 2 is made of carbon steel, and if the equipment is placed in the open air, reinforcing ribs and rock wool heat preservation layers are added outside the equipment to ensure the structural strength of the equipment and the water temperature in the equipment. In this embodiment, the diameter of the aerobic tank 2 is 3000mm, and the height thereof is 2000 mm and 6000mm, and the specific dimensions are determined according to the sewage treatment capacity. An aerobic water inlet 10 is formed in the lower end of the aerobic tank 2, the aerobic water inlet 10 is communicated with the anaerobic water outlet 4 through a pipeline, and natural water pressure generated by liquid level difference flows from the anaerobic water outlet 4 to the aerobic water inlet 10; the diameter of the opening of the aerobic water inlet 10 is determined according to the treatment capacity of the equipment, and the caliber is generally DN25-DN 80. An aeration port 11 is arranged on one side of the upper end of the aerobic tank 2, and air is input into the aerobic tank 2 by connecting aeration equipment. An aerobic water outlet 12 is formed in the other side of the upper end of the aerobic tank 2, and sewage is treated by the anaerobic tank 1 and the aerobic tank 2 and then is discharged or recycled through the aerobic water outlet 12; the diameter of the opening of the aerobic water outlet 12 is determined according to the treatment capacity of the equipment, and the caliber is generally DN40-DN 150. An aeration pipe 13, an aerobic filler bracket 14 and an aerobic overflow weir 15 are sequentially arranged in the aerobic tank 2 from bottom to top at intervals; the aeration pipe 13 is arranged along the horizontal direction and is communicated with the aeration port 11 through a pipeline, and the bottom of the aeration pipe 13 is provided with two rows of aeration holes 16 which are staggered and inclined downwards by 45 degrees; the aeration pipe 13 is made of carbon steel, and air flow is uniformly distributed in the equipment through the specially designed aeration pipe 13. A plurality of aerobic filler balls 17 are distributed on the aerobic filler support 14, and an iron matrix catalytic activity biological carrier is filled in each aerobic filler ball 17; the aerobic overflow weir 15 is communicated with the aerobic water outlet 12.
Wherein, the aperture position of the water distribution holes 8 is 1-20mm, and the distance between the water distribution holes 8 is 100-300mm, thereby facilitating the uniform water distribution.
Preferably, the anaerobic overflow weir 7 is in conduction connection with the anaerobic water outlet 4; the anaerobic overflow weir 7 is of a box-shaped structure with an open upper end, and the top of the anaerobic overflow weir is in a sawtooth shape, so that the uniformity of water collection is ensured; the height of the sawteeth of the anaerobic overflow weir 7 is 50-100mm, the distance between the sawteeth is 50-100mm, and the included angle between the sawteeth is 45-90 degrees; the structure of the aerobic overflow weir 15 is the same as that of the anaerobic overflow weir 7. Through the specially designed anaerobic overflow weir 7, sewage flows to the aerobic section equipment, and meanwhile, the water flows more uniformly.
In addition, the aperture of the aeration holes 16 is 1-5mm, and the distance between the aeration holes 16 is 100-300mm, so that uniform aeration is facilitated.
In the embodiment, the whole equipment adopts a processing mode of rolling and forming a steel plate, so that the strength and the rigidity of the equipment are improved, and the steel consumption of the equipment is saved; in addition, the iron matrix catalytic activity biological carrier is used as a filler, so that a good sewage treatment effect at low temperature (0-14 ℃) is realized; in addition, the water distribution pipe and the aeration pipe which are specially designed realize the uniform distribution of water flow and air flow, and are convenient to maintain and replace. The utility model has the following advantages:
1. the capital investment is small, and the operation cost is low. The filler has the service life of 10 years, is basically free of replacement, is suitable for sewage treatment of expressway service areas and management stations, and can also be used for small sewage stations such as villages and towns, residential quarters, office units and the like.
2. And (4) low temperature resistance. Theoretically speaking, the higher pollutant purification efficiency can be kept as long as the sewage is in a liquid state.
3. Effectively saving the construction area. The construction of sewage plants inevitably occupies large area of land and destroys ecology. With the progress of urbanization, the use of land is increasingly tense. The integrated equipment has high treatment efficiency, can be buried, basically does not occupy the ground area, and does not influence the overall layout and the environmental landscape of a building group.
4. Effectively controlling the sewage flow direction in the equipment, reducing dead zones, effectively increasing the retention time and ensuring that the treated water quality reaches the standard.
5. The novel filler is adopted to effectively remove pollutants such as organic matters, nitrogen, phosphorus, heavy metal suspended matters and the like in the sewage.
The working principle of the utility model is as follows: when in use, sewage enters the anaerobic tank 1 through the anaerobic water inlet 3, the water distribution pipe 5 and the water distribution holes 8 in sequence; after being subjected to anaerobic treatment, sewage enters the aerobic tank 2 through the anaerobic overflow weir 7, the anaerobic water outlet 4 and the aerobic water inlet 10 in sequence, and is discharged through the aerobic overflow weir 15 and the aerobic water outlet 12 after being subjected to aerobic treatment.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (4)
1. An integrated sewage treatment device for a highway service area comprises an anaerobic tank (1) and an aerobic tank (2), and is characterized in that one side of the upper end of the anaerobic tank (1) is provided with an anaerobic water inlet (3), the other side of the upper end of the anaerobic tank (1) is provided with an anaerobic water outlet (4), and a water distribution pipe (5), an anaerobic filler support (6) and an anaerobic overflow weir (7) are sequentially arranged in the anaerobic tank (1) from bottom to top at intervals;
the water distribution pipe (5) is arranged along the horizontal direction and is communicated with the anaerobic water inlet (3) through a pipeline, and the bottom of the water distribution pipe (5) is provided with two rows of staggered water distribution holes (8) which are inclined downwards by 45 degrees;
a plurality of anaerobic filler balls (9) are distributed on the anaerobic filler bracket (6), and an iron matrix catalytic activity biological carrier is filled in each anaerobic filler ball (9);
the anaerobic overflow weir (7) is communicated and connected with the anaerobic water outlet (4);
an aerobic water inlet (10) is formed in the lower end of the aerobic tank (2), and the aerobic water inlet (10) is communicated with the anaerobic water outlet (4) through a pipeline; an aeration opening (11) is arranged on one side of the upper end of the aerobic tank (2), an aerobic water outlet (12) is arranged on the other side of the upper end of the aerobic tank (2), and an aeration pipe (13), an aerobic filler support (14) and an aerobic overflow weir (15) are sequentially arranged in the aerobic tank (2) from bottom to top at intervals;
the aeration pipe (13) is arranged along the horizontal direction and is communicated with the aeration port (11) through a pipeline, and the bottom of the aeration pipe (13) is provided with two rows of aeration holes (16) which are staggered and inclined downwards by 45 degrees;
a plurality of aerobic filler balls (17) are distributed on the aerobic filler support (14), and an iron matrix catalytic activity biological carrier is filled in each aerobic filler ball (17);
the aerobic overflow weir (15) is communicated and connected with the aerobic water outlet (12).
2. The integrated sewage treatment equipment for the expressway service area as recited in claim 1, wherein the hole diameter of the water distribution holes (8) is 1-20mm, and the distance between the water distribution holes (8) is 100-300 mm.
3. The integrated sewage treatment equipment for the expressway service area according to claim 1, wherein the anaerobic overflow weir (7) has a box-shaped structure with an open upper end and a zigzag top, the height of the zigzag of the anaerobic overflow weir (7) is 50-100mm, the distance between the zigzag is 50-100mm, and the included angle between the zigzag is 45-90 °; the structure of the aerobic overflow weir (15) is the same as that of the anaerobic overflow weir (7).
4. The integrated sewage treatment equipment for the expressway service area according to claim 1, wherein the diameter of the aeration holes (16) is 1-5mm, and the interval between the aeration holes (16) is 100-300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220357817.4U CN216890319U (en) | 2022-02-22 | 2022-02-22 | Integrated sewage treatment equipment for expressway service area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220357817.4U CN216890319U (en) | 2022-02-22 | 2022-02-22 | Integrated sewage treatment equipment for expressway service area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216890319U true CN216890319U (en) | 2022-07-05 |
Family
ID=82185846
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220357817.4U Expired - Fee Related CN216890319U (en) | 2022-02-22 | 2022-02-22 | Integrated sewage treatment equipment for expressway service area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216890319U (en) |
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2022
- 2022-02-22 CN CN202220357817.4U patent/CN216890319U/en not_active Expired - Fee Related
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Granted publication date: 20220705 |