CN214400168U - Integrated integration sewage treatment plant of ground formula - Google Patents
Integrated integration sewage treatment plant of ground formula Download PDFInfo
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- CN214400168U CN214400168U CN202120051836.XU CN202120051836U CN214400168U CN 214400168 U CN214400168 U CN 214400168U CN 202120051836 U CN202120051836 U CN 202120051836U CN 214400168 U CN214400168 U CN 214400168U
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- 239000010865 sewage Substances 0.000 title claims abstract description 93
- 230000010354 integration Effects 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 15
- 239000000701 coagulant Substances 0.000 claims abstract description 11
- 239000010802 sludge Substances 0.000 claims description 57
- 238000004062 sedimentation Methods 0.000 claims description 36
- 239000000945 filler Substances 0.000 claims description 34
- 238000005273 aeration Methods 0.000 claims description 21
- 230000000694 effects Effects 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052698 phosphorus Inorganic materials 0.000 claims description 11
- 239000011574 phosphorus Substances 0.000 claims description 11
- 230000001954 sterilising effect Effects 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 238000006213 oxygenation reaction Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 244000005700 microbiome Species 0.000 claims description 5
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- 238000006243 chemical reaction Methods 0.000 claims description 4
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- 238000005260 corrosion Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 244000000010 microbial pathogen Species 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 4
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- 229910019142 PO4 Inorganic materials 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 229940124645 emergency medicine Drugs 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- 230000001717 pathogenic effect Effects 0.000 description 1
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- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
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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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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses an overground integrated sewage treatment device, which comprises an inter-equipment area, an inverted AAO area, an inclined tube settling area, a post-arranged AO area, a vertical flow settling area and a disinfection water outlet area, wherein a grid channel and an adjusting tank are arranged in the area in front of the integrated sewage treatment device, sewage sequentially flows through the grid channel and the adjusting tank through a matched sewage pipe network, enters the inverted AAO area, sequentially passes through the inclined tube settling area, the post-arranged AO area and the vertical flow settling area, enters the disinfection water outlet area, is treated by the disinfection water outlet area and then is discharged after reaching the standard, and the inter-equipment area is provided with a carbon source dosing system, a PAC coagulant dosing system, an integrated control cabinet system, a water inlet and outlet pipe assembly and a main auxiliary pump matched assembly. The invention can efficiently and integrally solve the problem of sewage treatment in the expressway service area, has compact integral structure, small occupied area according to local conditions, high treatment efficiency, energy conservation, high pollutant removal rate and good operation stability in the whole year.
Description
Technical Field
The invention relates to the field of an overground integrated sewage treatment device, and particularly belongs to an overground integrated sewage treatment device.
Background
In recent years, highway mileage is increasing nationwide, and the number of highway service areas is increasing with the increase in highway mileage. As is well known, the service area of the highway is generally provided with facilities such as public toilets, restaurants, gas stations and the like, and the sewage sources can be mainly divided into two types of sewage discharged by public toilets, toilets and kitchens and restaurants. The BOD5, COD and SS in the sewage discharged from the expressway service area can reach medium concentrations, wherein the concentrations of phosphorus and ammonia nitrogen are very high, and the concentrations can reach COD more than or equal to 400mg/L, BOD5 more than or equal to 200mg/L, SS (100 plus 300mg/L) and ammonia nitrogen (50-100 mg/L). Meanwhile, the expressway service area is generally far away from the city, sewage is difficult to directly access the urban sewer pipe network, and if the sewage is discharged on site, the sewage can cause harm to the surrounding environment in the past, so that the normal operation of the expressway service area is influenced.
At present, domestic and foreign expressway service areas basically treat sewage by adopting a traditional sewage treatment technology, and the traditional sewage treatment technology generally adopts a septic tank, a buried integrated sewage treatment device or an SBR process. In the treatment of sewage in a service area of an expressway, the following problems exist in the traditional sewage treatment technology: 1, the septic tank cannot meet the emission requirement after being simply treated, and the septic tank enters a phase of elimination or only serves as a pretreatment facility at present; 2, the underground integrated sewage treatment equipment is not easy to uniformly distribute water and aerate, biological fillers are easy to block, and need to be replaced periodically, so that the cost is high, the operation is complicated, and once electromechanical equipment of the underground integrated sewage treatment equipment fails, the maintenance and the replacement are troublesome, and the maintenance is not facilitated; 3, although the SBR process is stable in operation and good in effluent quality, a special decanter is required, the investment is high, and the intermittent operation has high requirements on the automatic control degree. Meanwhile, the effluent of the septic tank and the buried integrated sewage treatment equipment or the traditional sewage treatment technologies of SBR process is not subjected to disinfection treatment, and the sewage contains a large amount of harmful substances and seriously affects the surrounding environment of the expressway service area. Therefore, the invention provides an overground integrated sewage treatment device.
Disclosure of Invention
The invention provides an integrated sewage treatment device on the ground, which solves the problems in the background technology by the integrated comprehensive optimization design of a main and auxiliary equipment room area, an inverted AAO area, an inclined tube settling area, a rear AO area, a vertical flow settling area, a disinfection water outlet area, a carbon source dosing system, a PAC coagulant dosing system, an aeration system, an integrated control cabinet system, a water inlet pipe assembly, a water outlet pipe assembly, a main and auxiliary oxygenation pump, a vertical flow settling device, a sludge discharge pipeline assembly, an air stripping device and a filler in the main and auxiliary equipment room area. Meanwhile, the invention can efficiently and integrally solve the sewage treatment problem of the expressway service area, has compact integral structure, small occupied area according to local conditions, high treatment efficiency, energy conservation, high pollutant removal rate and good operation stability throughout the year, simultaneously solves the problem that the common sewage treatment facility device of the original expressway service area is difficult to treat high-concentration high-suspended matter sewage, ensures that the effluent after the sewage is treated by the invention is stably discharged up to the standard, and is suitable for being popularized and used as a special sewage treatment device of the expressway service area.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an integrated sewage treatment plant of the ground-based type, including the area of apparatus, invert AAO district, inclined tube settling zone, postposition AO district, vertical flow settling zone and sterilize the water outlet area, the area of apparatus and side direction of inverting AAO district is near the area has grid ditch and equalizing basin, the sewage flows through the matched sewage pipe network sequentially through grid ditch and equalizing basin, enter and invert AAO district, and then pass the inclined tube settling zone, postposition AO district and vertical flow settling zone sequentially, enter and sterilize the water outlet area, discharge after reaching standards after sterilizing the water outlet area and processing, the area of said apparatus has carbon source dosing system, PAC coagulant dosing system, aeration system, whole control cabinet system, water inlet pipe assembly, water outlet pipe assembly and main and auxiliary oxygenation pump, the whole control cabinet system has PLC control cabinet, PLC control cabinet can carry on the automatic remote monitoring operation device, characterized by, invert AAO district have first-level anoxic zone, first-level anaerobic zone and first-level aerobic zone, a stirring device is arranged in the first-stage anoxic zone and the first-stage anaerobic zone, an independent aeration component is arranged at the bottom of the first-stage aerobic zone and is connected with an aeration system of an inter-equipment zone through a pipeline, an inclined tube sedimentation zone is arranged between the inverted AAO zone and the postposition AO zone, a water body treated by the inverted AAO zone enters the inclined tube sedimentation zone, a supernatant of the water body treated by the inclined tube sedimentation zone enters the postposition AO zone, the postposition AO zone has a second-stage anoxic zone and a second-stage aerobic zone, the inclined tube sedimentation zone is integrally positioned between the first-stage aerobic zone and the second-stage anoxic zone, a carbon source dosing system is connected with the second-stage anoxic zone through a pipeline, a PAC coagulant dosing system is connected with the second-stage aerobic zone through a pipeline to carry out auxiliary dephosphorization, a main auxiliary oxygenation pump is connected with the first-stage aerobic zone and the aerobic zone through a pipeline, the water body treated by the postposition zone enters the vertical flow sedimentation zone, a vertical flow type sedimentation device is arranged in the vertical flow sedimentation region, the vertical flow sedimentation device is provided with a sedimentation tank, a funnel-shaped component is arranged in the sedimentation tank, a sludge discharge pipeline component is arranged at the bottom of the vertical flow sedimentation region and is positioned below the sedimentation tank in the vertical flow sedimentation device, the sludge discharge pipeline component is provided with a sludge discharge pump, the sludge discharge pump is connected with an integrated control cabinet system in the equipment room area through a wire harness, sludge discharge or non-sludge discharge of the sludge discharge pipeline component can be automatically and remotely monitored, the water treated by the vertical flow sedimentation zone enters a disinfection water outlet zone through a pipeline, the disinfection water outlet zone is provided with an ultraviolet sterilization device, after pathogenic microorganisms in the sewage are killed by the water treated by the vertical flow sedimentation zone through the ultraviolet sterilization device, and after the effluent quality reaches the standard, the effluent is safe and harmless and is discharged through an effluent pipeline connected with an effluent pipe assembly in the equipment room in the disinfection effluent area.
Preferably, the air stripping device is arranged above the primary anoxic zone, the primary anaerobic zone and the primary aerobic zone in the inverted AAO zone, and the secondary anoxic zone and the secondary aerobic zone in the post-AO zone, the air stripping device is provided with an air release cover component and a return pipe, the return pipe is connected with the upper part of the air release cover component, the air release cover component of the air stripping device is arranged above the primary aerobic zone and the secondary aerobic zone in the inverted AAO zone, the return pipe is arranged above the primary anoxic zone in the inverted AAO zone and above the secondary anoxic zone in the post-AO zone.
Preferably, the inverted AAO zone can perform sludge backflow, the sludge backflow starts from the inclined tube settling zone to the primary anoxic zone, and then directly enters the primary aerobic zone after anaerobic phosphorus release from the primary anoxic zone through the primary anaerobic zone.
Preferably, the insides of the primary anoxic zone and the primary anaerobic zone in the inverted AAO zone can be provided with stirring devices, oxygen in the primary aerobic zone in the inverted AAO zone and oxygen in the secondary aerobic zone in the post-AO zone can be maintained to be supplied through aeration pipelines, and the insides of the secondary anoxic zone and the secondary aerobic zone in the post-AO zone can be provided with fillers.
Preferably, nitrifying liquid in a first-stage aerobic zone in the inverted AAO zone flows back to a first-stage anoxic zone, so that a carbon source with better denitrification effect can be improved, fillers arranged in a second-stage anoxic zone and a second-stage aerobic zone in the rear AO zone are elastic three-dimensional combined fillers, the specific surface area of the elastic three-dimensional combined fillers is large, the elastic three-dimensional combined fillers are easy to form a film, resistant to corrosion and free from blocking due to agglomeration, the elastic three-dimensional combined fillers are beneficial to full contact exchange of gas, water and biological films, the aeration effect can be improved, microorganisms are entrapped, the sludge age is increased, and the full contact reaction of sewage and sludge is facilitated.
Preferably, the inclined plate and the honeycomb-shaped inclined tube filler are arranged in the inclined tube settling zone, and when the inclined plate is arranged, the inclined plate and the horizontal plane at the bottom of the inclined tube settling zone form an included angle of 60 degrees;
the honeycomb-shaped inclined tube filler can be arranged on the inclined plate, the honeycomb-shaped inclined tube filler can ensure that the sedimentation of particles in the water body is not influenced by the turbulent flow of the water body, and the honeycomb-shaped inclined tube filler can accelerate the separation of the particles from the water body and shorten the distance of the particle sedimentation.
Preferably, the inter-equipment area, the inverted AAO area, the inclined tube settling area, the post-positioned AO area, the vertical flow settling area and the disinfection water outlet area are integrally of a double-row combined structure, emptying pipelines are arranged above a first-stage anoxic area, a first-stage anaerobic area and a first-stage aerobic area in the inverted AAO area, emptying pipelines are arranged above a second-stage aerobic area, a vertical flow settling area and a disinfection water outlet area in the post-positioned AO area, a sludge discharge pipeline assembly at the bottom of the vertical flow settling area is provided with a perforated sludge discharge pipe, and the perforated sludge discharge pipe is positioned at the bottom of the device.
Compared with the prior art, the invention has the following beneficial effects:
the integrated sewage treatment device is manufactured by comprehensively optimizing and combining a main equipment room area, an inverted AAO area, an inclined tube settling area, a rear AO area, a vertical flow settling area, a disinfection water outlet area, a carbon source dosing system, a PAC coagulant dosing system, an aeration system, an integrated control cabinet system, a water inlet pipe assembly, a water outlet pipe assembly, a main auxiliary oxygenation pump, a vertical flow type settling device, a sludge discharge pipeline assembly, an air stripping device and filler in the vertical flow settling area. The sewage treatment system solves the following problems that the prior traditional sewage treatment technology generally adopts a septic tank and a buried integrated sewage treatment device or SBR process to treat the sewage in the service area of the expressway: 1, the septic tank cannot meet the emission requirement after being simply treated, and the septic tank enters a phase of elimination or only serves as a pretreatment facility at present; 2, the underground integrated sewage treatment equipment is not easy to uniformly distribute water and aerate, biological fillers are easy to block, and need to be replaced periodically, so that the cost is high, the operation is complicated, and once electromechanical equipment of the underground integrated sewage treatment equipment fails, the maintenance and the replacement are troublesome, and the maintenance is not facilitated; 3, although the SBR process is stable in operation and good in effluent quality, a special decanter is required, the investment is high, and the intermittent operation has high requirements on the automatic control degree. Meanwhile, the problems that effluent of septic tanks and buried integrated sewage treatment equipment or SBR (sequencing batch reactor) processes in the traditional sewage treatment technologies is not subjected to disinfection treatment, and the sewage contains a large amount of harmful substances and seriously affects the surrounding environment of a highway service area are solved.
Meanwhile, the invention can efficiently and integrally solve the sewage treatment problem of the expressway service area, has compact integral structure, small occupied area according to local conditions, high treatment efficiency, energy conservation, high pollutant removal rate and good operation stability throughout the year, simultaneously solves the problem that the common sewage treatment facility device of the original expressway service area is difficult to treat high-concentration high-suspended matter sewage, ensures that the effluent after the sewage is treated by the invention is stably discharged up to the standard, and is suitable for being popularized and used as a special sewage treatment device of the expressway service area.
Drawings
FIG. 1 is a schematic overall top view of the integrated sewage treatment plant of the present invention;
FIG. 2 is a front schematic view of the overground integrated sewage treatment device after being vertically and longitudinally cut along A-A;
FIG. 3 is a front schematic view of the overground integrated sewage treatment device after being vertically and longitudinally cut along B-B.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to examples and specific embodiments.
Referring to the attached drawings, the overground integrated sewage treatment device comprises an inter-equipment zone 1, an inverted AAO zone, an inclined tube settling zone 5, a post-arranged AO zone, a vertical flow settling zone 8 and a disinfection water outlet zone 9, wherein a grid channel and a regulating tank are arranged in the lateral adjacent areas of the inter-equipment zone 1 and the inverted AAO zone, sewage sequentially flows through the grid channel and the regulating tank through a matched sewage pipe network 15, enters the inverted AAO zone, sequentially passes through the inclined tube settling zone 5, the post-arranged AO zone and the vertical flow settling zone 8, enters the disinfection water outlet zone 9, is treated by the disinfection water outlet zone 9 and then reaches the standard and is discharged, the inter-equipment zone 1 is provided with a carbon source dosing system 12, a PAC coagulant dosing system 13, an aeration system 11, an integrated control cabinet system 10, a water inlet pipe assembly, a water outlet pipe assembly 19 and a main auxiliary oxygenation pump, the integrated control cabinet system 10 is provided with a PLC control cabinet, and the PLC control cabinet can be used for automatic remote monitoring operation, it is characterized in that the inverted AAO zone comprises a primary anoxic zone 2, a primary anaerobic zone 3 and a primary aerobic zone 4, a stirring device 21 is arranged in the primary anoxic zone 2 and the primary anaerobic zone 3, an independent aeration component 1101 is arranged at the bottom of the primary aerobic zone 4, the independent aeration component 1101 is connected with an aeration system 11 of the inter-equipment zone 1 through a pipeline, an inclined tube sedimentation zone 5 is arranged between the inverted AAO zone and the post-arranged AO zone, a water body treated by the inverted AAO zone enters the inclined tube sedimentation zone 5, a supernatant of the water body treated by the inclined tube sedimentation zone 5 enters the post-arranged AO zone, the post-arranged AO zone comprises a secondary anoxic zone 6 and a secondary aerobic zone 7, the inclined tube sedimentation zone 5 is integrally positioned between the primary aerobic zone 4 and the secondary anoxic zone 6, a carbon source dosing system 12 is connected with the secondary anoxic zone 6 through a pipeline, a PAC coagulant dosing system 13 is connected with the secondary aerobic zone 7 through a pipeline to carry out auxiliary phosphorus removal, the main and auxiliary oxygenation pumps are connected with a primary aerobic zone 4 and a secondary aerobic zone 7 through pipelines, the water body treated by the post-positioned AO zone enters a vertical flow settling zone 8, a vertical flow settling device 17 is arranged in the vertical flow settling zone 8, the vertical flow settling device 17 is provided with a settling pond, a funnel-shaped component 1701 is arranged in the settling pond, a sludge discharge pipeline component 18 is arranged at the bottom of the vertical flow settling zone 8, the sludge discharge pipeline component 18 is positioned below the settling pond in the vertical flow settling device 17, the sludge discharge pipeline component 18 is provided with a sludge discharge pump, the sludge discharge pump is connected with an integrated control cabinet system of the equipment room zone 1 through a wire harness, sludge discharge or non-sludge discharge of the sludge discharge pipeline component 18 can be automatically and remotely monitored, the water body treated by the vertical flow settling zone 8 enters a disinfection water outlet zone 9 through a pipeline, the disinfection water outlet zone 9 is provided with an ultraviolet sterilization device 901, and the water body treated by the vertical flow settling zone 18 is killed by the ultraviolet sterilization device 901, the effluent quality reaches the standard, is safe and harmless and is discharged through an effluent pipeline connected with an effluent pipe assembly 19 of the equipment room area 1 in the disinfection effluent area 9.
Preferably, the primary anoxic zone 2, the primary anaerobic zone 3 and the primary aerobic zone 4 in the inverted AAO zone, and the secondary anoxic zone 6 and the secondary aerobic zone 7 in the post-AO zone are all provided with a gas stripping device 14, the gas stripping device 14 is provided with a gas-releasing hood component 1401 and a return pipe 1402, the return pipe 1402 is connected with the upper part of the gas-releasing hood component 1401, the gas-releasing hood component 1401 of the gas stripping device 14 is arranged above the primary aerobic zone 4 and the secondary aerobic zone 7 in the inverted AAO zone, the return pipe 1402 is arranged above the primary anoxic zone 2 to the primary aerobic zone 4 in the inverted AAO zone, and the return pipe 1402 is arranged above the secondary anoxic zone 6 to the secondary aerobic zone 7 in the post-AO zone.
Preferably, the inverted AAO zone can carry out sludge backflow, the sludge backflow starts from the inclined tube sedimentation zone 5 to the primary anoxic zone 2, and then directly enters the primary aerobic zone 4 after anaerobic phosphorus release from the primary anoxic zone 2 through the primary anaerobic zone 3.
Preferably, the interiors of the primary anoxic zone 2 and the primary anaerobic zone 3 in the inverted AAO zone can be provided with stirring devices 21, the oxygen in the primary aerobic zone 4 in the inverted AAO zone and the oxygen in the secondary aerobic zone 7 in the post-AO zone can be maintained to be supplied through aeration pipelines, and the interiors of the secondary anoxic zone 6 and the secondary aerobic zone 7 in the post-AO zone can be provided with fillers.
Preferably, nitrified liquid in a first-stage aerobic zone 4 in the inverted AAO zone flows back to a first-stage anoxic zone 2, so that a carbon source with better denitrification effect can be improved, fillers arranged in a second-stage anoxic zone 6 and a second-stage aerobic zone 7 in the post-positioned AO zone are elastic three-dimensional combined fillers 20, the specific surface area of the elastic three-dimensional combined fillers is large, the elastic three-dimensional combined fillers are easy to form films, resist corrosion and block without agglomeration, the elastic three-dimensional combined fillers 20 are beneficial to full contact exchange of gas, water and biological films, the aeration effect can be improved, microorganisms can be entrapped, the sludge age is increased, and the full contact reaction of sewage and sludge is facilitated.
Preferably, the inclined plate 502 and the honeycomb-shaped inclined tube filler 501 are arranged in the inclined tube settling zone 5, and when the inclined plate 502 is arranged, the included angle between the inclined plate 502 and the horizontal plane at the bottom of the inclined tube settling zone 5 is 60 degrees;
the honeycomb-shaped inclined tube filler 501 can be arranged on the inclined plate 501, the honeycomb-shaped inclined tube filler 501 can prevent the sedimentation of particles in the water body from being influenced by the turbulence of the water body, and the honeycomb-shaped inclined tube filler 501 can accelerate the separation of the particles from the water body and shorten the distance of the particle sedimentation.
Preferably, the inter-equipment zone 1, the inverted AAO zone, the inclined tube settling zone 5, the post-positioned AO zone, the vertical flow settling zone 8 and the disinfection water outlet zone 9 are integrally of a double-row combined structure, emptying pipelines are arranged above the primary anoxic zone 2, the primary anaerobic zone 3 and the primary aerobic zone 4 in the inverted AAO zone, emptying pipelines are arranged above the secondary aerobic zone 7, the vertical flow settling zone 8 and the disinfection water outlet zone 9 in the post-positioned AO zone, a sludge discharge pipeline assembly 18 at the bottom of the vertical flow settling zone 8 is provided with a perforated sludge discharge pipe 1801, and the perforated sludge discharge pipe 1801 is positioned at the bottom of the device.
When the device is in actual use, sewage flows through the grid channel and the regulating reservoir in sequence through the sewage pipe network 15 and then enters the inverted AAO area, the inclined pipe settling area 5, the rear AO area, the vertical flow settling area 8 and the disinfection water outlet area 9 to be treated and then is discharged after reaching the standard, the whole control cabinet system 10 of the inter-equipment area 1 is provided with a PLC control cabinet which is controlled by an automatic control unit, and the PLC control cabinet can automatically and remotely monitor the whole operation of the device; the inverted AAO area and the rear AO area can form a biochemical treatment unit, the inverted AAO area consists of a primary anoxic area 2, a primary anaerobic area 3 and a primary aerobic area 4, the primary anoxic area 2 is positioned in the first front section area of the device, and the design can save the requirement of adding a carbon source in the primary anoxic area 2 and improve the denitrification function;
the primary anoxic zone 2 in the inverted AAO zone can carry out sludge backflow, the sludge backflow starts from the inclined tube settling zone 5 to the primary anoxic zone 2, and directly enters the primary aerobic zone 4 after anaerobic phosphorus release in the primary anaerobic zone 3, so that the overall biochemical treatment efficiency of the invention can be improved; the sludge return pipeline 16 in the sludge return can be connected and combined with the return pipe 1402 in the gas stripping device 14 into a whole, the design combines a mixed liquid return system and a sludge return system of the conventional AAO process into a whole, the process flow is simple, and the operation is simple and convenient; meanwhile, aiming at the problem that the conventional sewage treatment facility device in the service area of the expressway is difficult to treat high-concentration high-suspended matter sewage, the invention is provided with a carbon source dosing system 12 and a PAC coagulant dosing system 13, wherein the carbon source dosing system 12 is respectively connected with a primary anoxic zone 2 and a secondary anoxic zone 6 through pipelines, and the PAC coagulant dosing system 13 is connected with a secondary aerobic zone 4 through a pipeline to carry out auxiliary phosphorus removal;
the device of the invention adds the inclined tube settling zone 5 between the inverted AAO zone and the post-positioned AO zone, after the inverted AAO treatment settling, the obtained supernatant effluent enters the post-positioned AO zone for treatment, and the vertical flow settling zone 8 is arranged behind the AO zone to improve the residual sludge removal efficiency; the sludge discharge pipeline assembly 18 at the bottom of the vertical flow settling zone 8 is provided with a perforated sludge discharge pipe 1801, and the periodic sludge discharge can be realized through the system control or remote monitoring of the whole control cabinet system 10; the disinfection water outlet area 9 runs through the operation of the ultraviolet sterilization device 901, has good disinfection effect, can disinfect and disinfect the water body at the water outlet position, and ensures that the water quality of the outlet water reaches the standard and is safe and harmless.
The inverted AAO area and the post-AO area in the invention comprehensively adopt an inverted AAO + AO process and consist of two stages of biochemical treatment units, the primary biochemical unit adopts an inverted AAO process, the backflow in mixed liquor is saved, the sludge backflow ratio is properly increased, the primary anoxic area 2 and the primary anaerobic area 3 are provided with a stirring device 21, the primary aerobic area 4 and the secondary aerobic area 7 maintain the supply through aeration, the secondary anoxic area 6 and the secondary aerobic area 7 contain fillers, the energy consumption is saved, and the integral pollutant removal effect is ensured to be good.
Sewage firstly enters a primary anoxic zone 2 to be mixed with a digestive juice refluxed by a primary aerobic zone 4, then denitrification is carried out, then a mixed solution enters a primary anaerobic zone 3 to be connected with the primary aerobic zone 4, so that dissolved oxygen and nitrate nitrogen combined oxygen in water in the primary anaerobic zone 3 are completely consumed and are in an anaerobic state, phosphorus-accumulating microorganisms absorb COD (chemical oxygen demand) easy to degrade in the sewage, phosphate is released, higher phosphorus absorption power is kept after the phosphorus is released, and the effects of denitrification and dephosphorization are improved; an emergency medicine adding pipeline is arranged in the primary aerobic zone 4 in the inverted AAO zone, so that the phosphorus removal effect can be improved. The pool filling materials of the first-level anoxic zone 2, the first-level anaerobic zone 3 and the first-level aerobic zone 4 in the inverted AAO zone adopt elastic three-dimensional combined filling materials 20, and the filling materials have the advantages of large specific surface area, easy film hanging, corrosion resistance, no agglomeration and blockage, contribution to full contact exchange of gas, water and biological films, improvement of aeration effect, microorganism interception, sludge age increase and contribution to full contact reaction of sewage and sludge.
In the invention, a vertical flow type precipitation device 17 is arranged in the vertical flow precipitation zone 8: the sewage inlet concentration of the high-speed service area is high, so that the amount of sludge generated by the high-speed service area is large, and the effect of the biochemical treatment area is influenced. Therefore, a mode of combining the vertical flow settling zone 8 with the inclined tube settling zone 5 is adopted, the inclined tube settling zone 5 is arranged in the primary aerobic zone 4 in the inverted AAO, and then honeycomb-shaped inclined tube packing 501 is adopted, aiming at the problem that the particle settling is not influenced by turbulence, the separation of particles and water can be accelerated, and the settling distance of the particles can be shortened. The post-positioned AO area is followed by a vertical flow settling area 8, a vertical flow type settling device 17 is arranged in the vertical flow settling area 8, a funnel-shaped component 1701 is arranged in the settling tank, and a sludge discharge pipeline component 18 is arranged below the settling tank.
In the invention, the disinfection effluent area 9 is provided with the ultraviolet sterilization device 901, and pathogenic microorganisms in effluent water after sewage treatment are killed in an ultraviolet mode, so that the propagation of the pathogenic microorganisms is thoroughly cut off, and the occurrence of pathogen infection prevention can be eliminated.
The invention solves the following problems that the prior traditional sewage treatment technology generally adopts a septic tank, an underground integrated sewage treatment device or an SBR process to treat the sewage in the service area of the expressway: 1, the septic tank cannot meet the emission requirement after being simply treated, and the septic tank enters a phase of elimination or only serves as a pretreatment facility at present; 2, the underground integrated sewage treatment equipment is not easy to uniformly distribute water and aerate, biological fillers are easy to block, and need to be replaced periodically, so that the cost is high, the operation is complicated, and once electromechanical equipment of the underground integrated sewage treatment equipment fails, the maintenance and the replacement are troublesome, and the maintenance is not facilitated; 3, although the SBR process is stable in operation and good in effluent quality, a special decanter is required, the investment is high, and the intermittent operation has high requirements on the automatic control degree. Meanwhile, the problems that effluent of septic tanks and buried integrated sewage treatment equipment or SBR (sequencing batch reactor) processes in the traditional sewage treatment technologies is not subjected to disinfection treatment, and the sewage contains a large amount of harmful substances and seriously affects the surrounding environment of a highway service area are solved.
Meanwhile, the invention can efficiently and integrally solve the sewage treatment problem of the expressway service area, has compact integral structure, small occupied area according to local conditions, high treatment efficiency, energy conservation, high pollutant removal rate and good operation stability throughout the year, simultaneously solves the problem that the common sewage treatment facility device of the original expressway service area is difficult to treat high-concentration high-suspended matter sewage, ensures that the effluent after the sewage is treated by the invention is stably discharged up to the standard, and is suitable for being popularized and used as a special sewage treatment device of the expressway service area.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (7)
1. An integrated sewage treatment plant of the ground-based, including the district between the apparatus, invert AAO district, inclined tube settling zone, postposition AO district, vertical flow settling zone and sterilize the water outlet area, the side direction of district between the apparatus and inverting AAO district is close to the area has grid ditch and equalizing basin, the sewage flows through the grid ditch and equalizing basin sequentially through the matched sewage pipe network, enter and invert AAO district, pass inclined tube settling zone, postposition AO district and vertical flow settling zone sequentially, enter and sterilize the water outlet area, discharge after sterilizing the water outlet area and treating and reaching standards after sterilizing the water outlet area, the district between the apparatus has carbon source dosing system, PAC coagulant dosing system, aeration system, whole control cabinet system, water inlet pipe assembly, water outlet pipe assembly and main and auxiliary oxygenation pump, the whole control cabinet system has PLC control cabinet, PLC control cabinet can carry on the automatic remote monitoring operation device, characterized by, invert AAO district have first-level anoxic zone, a primary anaerobic zone and a primary aerobic zone, wherein a stirring device is arranged in the primary anoxic zone and the primary anaerobic zone, an independent aeration component is arranged at the bottom of the primary aerobic zone, the independent aeration component is connected with an aeration system of an inter-equipment zone through a pipeline, an inclined tube settling zone is arranged between the inverted AAO zone and the post-arranged AO zone, a water body treated by the inverted AAO zone enters the inclined tube settling zone, a supernatant of the water body treated by the inclined tube settling zone enters the post-arranged AO zone, the post-arranged AO zone comprises a secondary anoxic zone and a secondary aerobic zone, the inclined tube settling zone is integrally positioned between the primary aerobic zone and the secondary anoxic zone, a carbon source dosing system is connected with the secondary anoxic zone through a pipeline, a PAC coagulant dosing system is connected with the secondary aerobic zone through a pipeline for auxiliary phosphorus removal, a main auxiliary oxygenation pump is connected with the primary aerobic zone and the secondary aerobic zone through a pipeline, the water body treated by the post-arranged AO zone enters a vertical flow settling zone, a vertical flow type sedimentation device is arranged in the vertical flow sedimentation region, the vertical flow sedimentation device is provided with a sedimentation tank, a funnel-shaped component is arranged in the sedimentation tank, a sludge discharge pipeline component is arranged at the bottom of the vertical flow sedimentation region and is positioned below the sedimentation tank in the vertical flow sedimentation device, the sludge discharge pipeline component is provided with a sludge discharge pump, the sludge discharge pump is connected with an integrated control cabinet system in the equipment room area through a wire harness, sludge discharge or non-sludge discharge of the sludge discharge pipeline component can be automatically and remotely monitored, the water treated by the vertical flow sedimentation zone enters a disinfection water outlet zone through a pipeline, the disinfection water outlet zone is provided with an ultraviolet sterilization device, after pathogenic microorganisms in the sewage are killed by the water treated by the vertical flow sedimentation zone through the ultraviolet sterilization device, and after the effluent quality reaches the standard, the effluent is safe and harmless and is discharged through an effluent pipeline connected with an effluent pipe assembly in the equipment room in the disinfection effluent area.
2. The integrated sewage treatment plant of claim 1 wherein the inverted AAO zone comprises a primary anoxic zone, a primary anaerobic zone, a primary aerobic zone, a post-AO zone, a secondary anoxic zone, and a secondary aerobic zone, wherein the secondary anoxic zone is arranged above the primary anoxic zone, the secondary aerobic zone, and the post-AO zone, the secondary anoxic zone is arranged above the post-AO zone, and the secondary anoxic zone is arranged above the post-AO zone.
3. The above-ground integrated sewage treatment plant according to claim 1, wherein the inverted AAO zone is capable of returning sludge from the inclined tube settling zone to the primary anoxic zone, and from the primary anoxic zone to the primary aerobic zone after anaerobic phosphorus release in the primary anaerobic zone.
4. The integrated sewage treatment plant of claim 1 wherein the primary anoxic zone and the primary anaerobic zone in the inverted AAO zone are equipped with stirring devices inside, the oxygen in the primary aerobic zone in the inverted AAO zone and the oxygen in the secondary aerobic zone in the post-AO zone are both supplied with oxygen through aeration pipes, and the secondary anoxic zone and the secondary aerobic zone in the post-AO zone are both equipped with packing inside.
5. The above-ground integrated sewage treatment plant according to claim 4, wherein the nitrified liquid in the primary aerobic zone in the inverted AAO zone flows back to the primary anoxic zone, thereby improving the utilization of carbon source with better denitrification effect, the fillers installed in the secondary anoxic zone and the secondary aerobic zone in the post-AAO zone are elastic three-dimensional combined fillers, the specific surface area of the elastic three-dimensional combined fillers is large, the elastic three-dimensional combined fillers are easy to hang films, resist corrosion and block without agglomeration, the elastic three-dimensional combined fillers are beneficial to full contact exchange of gas, water and biological films, the aeration effect can be improved, the microorganism can be intercepted, the sludge age can be increased, and the full contact reaction of sewage and sludge can be facilitated.
6. The above-ground integrated sewage treatment plant according to any one of claims 1 to 5, wherein an inclined plate and honeycomb-shaped inclined tube packing are arranged in the inclined tube settling zone, and when the inclined plate is installed, the inclined plate and the horizontal plane at the bottom of the inclined tube settling zone form an included angle of 60 degrees;
the honeycomb-shaped inclined tube filler can be arranged on the inclined plate, the honeycomb-shaped inclined tube filler can ensure that the sedimentation of particles in the water body is not influenced by the turbulent flow of the water body, and the honeycomb-shaped inclined tube filler can accelerate the separation of the particles from the water body and shorten the distance of the particle sedimentation.
7. The integrated sewage treatment plant of claim 1 wherein the inter-facility section, the inverted AAO section, the inclined tube settling section, the post-AO section, the vertical flow settling section and the disinfection effluent section are integrally of a double row combined structure, wherein the evacuation pipes are arranged above the primary anoxic section, the primary anaerobic section and the primary aerobic section in the inverted AAO section, and are arranged above the secondary aerobic section, the vertical flow settling section and the disinfection effluent section in the post-AO section, and the sludge discharge pipe assembly at the bottom of the vertical flow settling section is provided with a perforated sludge discharge pipe which is arranged at the bottom of the plant.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114230087A (en) * | 2021-10-29 | 2022-03-25 | 广东益康生环保科技有限公司 | Multistage AO wastewater treatment integrated equipment and denitrification method thereof |
| CN115043496A (en) * | 2022-07-06 | 2022-09-13 | 武汉辰雨环保科技有限公司 | Sewage A from villages and towns 2 O biochemical and physical integrated treatment pool |
| CN116239257A (en) * | 2023-03-02 | 2023-06-09 | 北控水务(中国)投资有限公司 | Full-modularized sewage treatment device |
-
2021
- 2021-01-11 CN CN202120051836.XU patent/CN214400168U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114230087A (en) * | 2021-10-29 | 2022-03-25 | 广东益康生环保科技有限公司 | Multistage AO wastewater treatment integrated equipment and denitrification method thereof |
| CN115043496A (en) * | 2022-07-06 | 2022-09-13 | 武汉辰雨环保科技有限公司 | Sewage A from villages and towns 2 O biochemical and physical integrated treatment pool |
| CN116239257A (en) * | 2023-03-02 | 2023-06-09 | 北控水务(中国)投资有限公司 | Full-modularized sewage treatment device |
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