CN215403667U - Transit station penetrant biochemical treatment device - Google Patents
Transit station penetrant biochemical treatment device Download PDFInfo
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- CN215403667U CN215403667U CN202121409951.6U CN202121409951U CN215403667U CN 215403667 U CN215403667 U CN 215403667U CN 202121409951 U CN202121409951 U CN 202121409951U CN 215403667 U CN215403667 U CN 215403667U
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- tank
- contact oxidation
- biological contact
- biochemical treatment
- transfer station
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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
Abstract
The utility model relates to the technical field of wastewater treatment, in particular to a transfer station penetrating fluid biochemical treatment device which comprises an oil separation tank, a regulating tank, a hydrolysis acidification tank, a primary biological contact oxidation tank, a primary denitrification tank, a secondary biological contact oxidation tank, a secondary denitrification tank, a tertiary biological contact oxidation tank, a sedimentation tank and a super filter which are sequentially arranged, wherein a sludge backflow component is arranged between the sedimentation tank and the primary biological contact oxidation tank, and a nitrification liquid backflow component is respectively arranged between the secondary biological contact oxidation tank and the primary denitrification tank and between the tertiary biological contact oxidation tank and the secondary denitrification tank. The operation cost is reduced.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to a transfer station penetrating fluid biochemical treatment device.
Background
The landfill leachate is sewage seeped out by the fermentation, rain wash and surface water and underground water soaking of the garbage in the stacking and landfill processes. The source has four main aspects: the garbage contains water, water generated by biochemical reaction of the garbage, reverse osmosis of underground diving and atmospheric precipitation, wherein the atmospheric precipitation has centralization, short-term property and repeatability and accounts for most of the total amount of the leachate, the leachate is high-concentration organic wastewater with complex components, the properties of the leachate depend on the garbage components, the particle size of the garbage, the compaction degree, the on-site climate, the hydrological conditions, the landfill time and other factors, and generally has the following characteristics:
1. the water quality is complex and the hazard is large;
the CODcr and BOD5 are high in concentration;
3. the ammonia nitrogen content is high and is increased along with the extension of the landfill time;
4. the water quality changes greatly, and the landfill leachate is divided into two types according to the age of a landfill site: one is young percolate with the landfill time below 5 years, and the other is old percolate with the landfill time above 5 years;
5. the metal content is higher;
6. the proportion of microorganism nutrient elements in the percolate is disordered, and is mainly the proportion of C, N, P.
The mature technology for treating the landfill leachate at present is generally an anaerobic, aerobic, ultrafiltration, nanofiltration or reverse osmosis technology, the pretreatment stage of the landfill leachate is less, the landfill leachate is directly subjected to membrane treatment after simple biochemical treatment, great burden is added to the subsequent membrane treatment stage, and the service life of the membrane is greatly reduced, so that a new leachate treatment device is needed to be provided to reduce the load of pollutants in the landfill leachate on the membrane and prolong the service life of the membrane.
Disclosure of Invention
In order to solve the problems, the utility model provides a transfer station penetrating fluid biochemical treatment device which is simple and reasonable in design, good in treatment effect and stable and convenient to operate.
The technical scheme adopted by the utility model is as follows:
the utility model provides a transfer station penetrant biochemical treatment device, is including the oil interceptor, equalizing basin, hydrolysis-acidification pool, one-level biological contact oxidation pond, one-level denitrification pond, second grade biological contact oxidation pond, second grade denitrification pond, tertiary biological contact oxidation pond, sedimentation tank and the super filter that sets gradually, the sedimentation tank with be equipped with mud backward flow subassembly between the one-level biological contact oxidation pond, second grade biological contact oxidation pond with between the one-level denitrification pond, and tertiary biological contact oxidation pond with between the second grade denitrification pond, be equipped with respectively and nitrify liquid backward flow subassembly.
The technical proposal is further improved in that the hydrolysis acidification tank is divided into a first-stage hydrolysis acidification tank and a second-stage hydrolysis acidification tank.
The technical proposal is further improved in that the ultrafiltration tank is provided with an MBR ultrafiltration membrane.
The technical proposal is further improved in that the super filter is also provided with a circulating pump and a membrane cleaning component.
The further improvement to the technical scheme is that the oil separation tank is provided with a filter screen.
The technical proposal is further improved in that the hydrolysis acidification tank is provided with a filler chamber and a sludge chamber, and a partition plate is arranged between the filler chamber and the sludge chamber.
The technical proposal is further improved in that the primary biological contact oxidation tank, the secondary biological contact oxidation tank and the tertiary biological contact oxidation tank are respectively provided with an active sludge layer, a spiral biological rope filler and an aeration component.
The technical proposal is further improved in that the aeration component is provided with a fan and a microporous aerator.
The technical proposal is further improved in that the primary denitrification tank and the secondary denitrification tank are respectively provided with an oxygen dissolving instrument and an electric stirrer.
The further improvement of the technical proposal is that the sludge reflux component is provided with a sludge delivery pump.
The utility model has the following beneficial effects:
the utility model comprises an oil separation tank, an adjusting tank, a hydrolysis acidification tank, a primary biological contact oxidation tank, a primary denitrification tank, a secondary biological contact oxidation tank, a secondary denitrification tank, a tertiary biological contact oxidation tank, a sedimentation tank and a super filter which are arranged in sequence, wherein a sludge backflow component is arranged between the sedimentation tank and the primary biological contact oxidation tank, and a nitrification liquid backflow component is respectively arranged between the secondary biological contact oxidation tank and the primary denitrification tank and between the tertiary biological contact oxidation tank and the secondary denitrification tank.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic plan view of the present invention;
description of reference numerals: 1. the system comprises an oil separation tank, a 2-regulating tank, a 3-first stage hydrolysis acidification tank, a 4-second stage hydrolysis acidification tank, a 5-first stage biological contact oxidation tank, a 51-sludge backflow component, a 52-blower, a 6-first stage denitrification tank, a 61-nitrified liquid backflow component, a 7-second stage biological contact oxidation tank, a 8-second stage denitrification tank, a 9-third stage biological contact oxidation tank, a 10-sedimentation tank and a 11-ultrafiltration tank.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, the biochemical treatment device for the penetrating fluid of the transfer station in this embodiment includes an oil separation tank 1, an adjusting tank 2, a hydrolysis-acidification tank, a primary biological contact oxidation tank 5, a primary denitrification tank 6, a secondary biological contact oxidation tank 7, a secondary denitrification tank 8, a tertiary biological contact oxidation tank 9, a sedimentation tank 10, and an ultrafiltration tank 11, which are sequentially disposed, wherein a sludge reflux component 51 is disposed between the sedimentation tank 10 and the primary biological contact oxidation tank 5, and a nitrification liquid reflux component 61 is disposed between the secondary biological contact oxidation tank 7 and the primary denitrification tank 6, and between the tertiary biological contact oxidation tank 9 and the secondary denitrification tank 8, respectively, the device has a simple structure and a reasonable design, and the main process adopts biochemical treatment to remove most impurities and organic pollutants, and then adopts nanofiltration treatment, thereby effectively reducing the load of post-stage membrane treatment, when the utility model is used, penetrating fluid firstly passes through the oil separation tank 1 to carry out oil-water separation to generate crude oil and waste water, the crude oil can be recycled to be prepared into a detergent and the like to realize cyclic utilization, the waste water is subjected to acid-base and water temperature regulation through the regulating tank 2 and then is subjected to reaction treatment through the hydrolysis acidification tank to reduce the molecular weight of pollutants and generate incomplete oxidation products, which is beneficial to subsequent aerobic section treatment, then suspended solids and organic impurities in the waste water are further degraded and removed through the multi-stage biological contact oxidation tank and the multi-stage denitrification tank which are arranged at intervals, and finally, the water quality is discharged after reaching the standard after being finely treated by the nanofiltration tank 11.
The hydrolysis acidification tank is divided into a first-stage hydrolysis acidification tank 3 and a second-stage hydrolysis acidification tank 4, and by adopting the two-stage hydrolysis acidification tank, on one hand, the wastewater treatment capacity can be improved, on the other hand, the molecular weight of pollutants can be reduced to a greater extent, incomplete oxidation products are generated, and subsequent aerobic sections are helped to carry out reaction treatment.
The ultrafiltration tank 11 is equipped with the MBR milipore filter, the ultrafiltration tank 11 still is equipped with circulating pump and membrane cleaning assembly, in this embodiment, specifically show to adopt the MBR milipore filter, it can effectively ensure that the particulate matter that is greater than 30nm, microorganism and the suspended solid relevant with COD are held back safely, the clear solution storage tank is got into to the ultrafiltration clear solution, through setting up the circulating pump, can provide certain velocity of flow at the membrane pipe inner wall, form the turbulent flow, produce great filtration flux, avoid simultaneously blockking up, after using a period, it can to adopt membrane cleaning assembly to wash the MBR milipore filter.
The oil separation tank 1 is provided with a filter screen, so that oil stains can be better intercepted, and the separation of crude oil and waste water is realized.
The hydrolysis acidification pool is provided with a filler chamber and a sludge chamber, a partition plate is arranged between the filler chamber and the sludge chamber, organic matters in sewage are hydrolyzed into soluble substances under the action of a large amount of hydrolysis-acid-producing bacteria under the anoxic condition through high-concentration facultative microorganisms contained in the sludge chamber, the macromolecular and difficultly biodegradable substances are converted into easily biodegradable substances, the sewage further enters the filler chamber through an interlayer, the sludge content is reduced through further reaction of the filler, and the sewage after reaction is subjected to biochemical treatment.
The primary biological contact oxidation tank 5, the secondary biological contact oxidation tank 7 and the tertiary biological contact oxidation tank 9 are respectively provided with an active sludge layer, spiral biological rope fillers and an aeration assembly, specifically, the aeration assembly is provided with a fan 52 and a microporous aerator, power is provided by the fan to aerate, the oxygen content of the biological rope fillers is maintained, the fillers are adopted, the effective specific surface area is large, the biological adhesion amount is large, sludge backflow can be saved by means of biofilm treatment, ammonia nitrogen is removed by high-efficiency decarburization, the quality of effluent water is improved, and the biofilm is membranous biological sludge attached to the surface of the biological active fillers and is a high-hydrophilicity sticky substance consisting of microbial populations. The ammonia nitrogen nitration is carried out, and the organic matters are effectively removed.
The first-stage denitrification tank 6 and the second-stage denitrification tank 8 are respectively provided with an oxygen dissolving instrument and an electric stirrer, so that oxygen dissolving can be accelerated through the stirrer, the dissolved oxygen in the tanks is guaranteed to be 0.2-0.5mg/L, effective denitrification treatment is carried out, the biodegradability of wastewater is improved through hydrolysis reaction, and subsequent treatment is facilitated.
The sludge backflow component 51 is provided with a sludge delivery pump, and the sludge is convenient to backflow and convey by the sludge delivery pump.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a transfer station penetrant biochemical treatment device, its characterized in that, is including the oil interceptor, equalizing basin, hydrolysis-acidification pool, first order biological contact oxidation pond, first order denitrification pond, second order biological contact oxidation pond, second order denitrification pond, tertiary biological contact oxidation pond, sedimentation tank and the super filtering pond that set gradually, the sedimentation tank with be equipped with mud backward flow subassembly between the first order biological contact oxidation pond, second order biological contact oxidation pond with between the first order denitrification pond, and tertiary biological contact oxidation pond with between the second order denitrification pond, be equipped with respectively and nitrify liquid backward flow subassembly.
2. The biochemical treatment device for the penetrating fluid of the transfer station according to claim 1, wherein the hydrolysis acidification tank is divided into a first-stage hydrolysis acidification tank and a second-stage hydrolysis acidification tank.
3. The biochemical treatment device for the permeate from the transfer station according to claim 1, wherein the ultrafiltration chamber is provided with an MBR ultrafiltration membrane.
4. The biochemical treatment apparatus for permeate from a transfer station according to claim 3, wherein the ultrafiltration chamber is further provided with a circulation pump and a membrane cleaning module.
5. The biochemical treatment device for the penetrating fluid of the transfer station as claimed in claim 1, wherein the oil separation tank is provided with a filter screen.
6. The biochemical treatment device for the penetrating fluid of the transfer station as claimed in claim 1, wherein the hydrolysis acidification tank is provided with a filling chamber and a sludge chamber, and a partition plate is arranged between the filling chamber and the sludge chamber.
7. The biochemical treatment device for the penetrating fluid of the transfer station according to claim 1, wherein the primary biological contact oxidation tank, the secondary biological contact oxidation tank and the tertiary biological contact oxidation tank are respectively provided with an active sludge layer, spiral biological rope fillers and an aeration component.
8. The biochemical treatment apparatus for the penetrating fluid of the transfer station according to claim 7, wherein the aeration module is provided with a blower and a microporous aerator.
9. The biochemical treatment device for the penetrating fluid of the transfer station according to claim 1, wherein the first-stage denitrification tank and the second-stage denitrification tank are respectively provided with an oxygen dissolving instrument and an electric stirrer.
10. The biochemical treatment device for the penetrating fluid of the transfer station as claimed in claim 1, wherein the sludge return assembly is provided with a sludge delivery pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121409951.6U CN215403667U (en) | 2021-06-23 | 2021-06-23 | Transit station penetrant biochemical treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121409951.6U CN215403667U (en) | 2021-06-23 | 2021-06-23 | Transit station penetrant biochemical treatment device |
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| CN215403667U true CN215403667U (en) | 2022-01-04 |
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| CN202121409951.6U Active CN215403667U (en) | 2021-06-23 | 2021-06-23 | Transit station penetrant biochemical treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114702196A (en) * | 2022-02-28 | 2022-07-05 | 广东君道环保科技有限公司 | Multistage AO treatment process for landfill leachate |
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2021
- 2021-06-23 CN CN202121409951.6U patent/CN215403667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114702196A (en) * | 2022-02-28 | 2022-07-05 | 广东君道环保科技有限公司 | Multistage AO treatment process for landfill leachate |
| CN114702196B (en) * | 2022-02-28 | 2022-12-20 | 广东君道环保科技有限公司 | Multistage AO treatment process for landfill leachate |
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