CN210394072U - Intelligent integrated treatment equipment for domestic sewage in expressway service area - Google Patents
Intelligent integrated treatment equipment for domestic sewage in expressway service area Download PDFInfo
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- CN210394072U CN210394072U CN201920531005.5U CN201920531005U CN210394072U CN 210394072 U CN210394072 U CN 210394072U CN 201920531005 U CN201920531005 U CN 201920531005U CN 210394072 U CN210394072 U CN 210394072U
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Abstract
The utility model discloses an intelligent integrated treatment device for domestic sewage in a highway service area, which comprises an anaerobic tank, an anoxic tank and an aerobic tank, wherein the upper part of the front end of the anaerobic tank is provided with a water inlet, and the tail end of the anaerobic tank is sequentially separated into the anoxic tank, the aerobic tank and an MBR tank by a partition plate; the utility model has simple structure, easy operation and small occupied area; each pool is completed in the same shell, so that the management is convenient; greatly improving the sewage treatment effect; the problems of dispersion of expressway service areas, difficult operation and management and the like are solved; the water quality indexes of the effluent all reach and are superior to the first-class A standard of pollutant discharge standard of urban sewage treatment plants.
Description
Technical Field
The utility model relates to an urban sewage treatment equipment technical field especially relates to an intelligent integrated treatment facility of highway service area domestic sewage.
Background
The service area is an essential facility on the highway, can provide service for users of the highway, and is very important for guaranteeing driving safety, guaranteeing transportation efficiency, and relieving physiological over-fatigue of drivers and limit conditions of vehicle use. With the continuous extension of the highway driving mileage and the continuous increase of the passenger flow volume, the service area is inevitably required to expand the types, the number, the service quality and the like of service items, so that a special economic area is formed, and the importance of the industrial value is increasingly paid attention to.
The expressway service areas are large in number and are dispersive, the sewage discharge area is wide and dispersive, and domestic sewage cannot be treated in a large-scale centralized mode. At present, although most service areas have sewage treatment equipment, effluent can not reach the first-class A standard of pollutant discharge standard of urban sewage treatment plants, operation and management are difficult, and a large amount of manpower and material resources are required to be input.
The conventional domestic sewage treatment method comprises the following steps: oxidation ditch method, SBR method and its variants, A2/O process, biofilm (MBR) treatment techniques, etc.; the oxidation ditch is a continuous circulation aeration tank, needs to occupy great area, because the place restriction is great, at the in-process of denitrogenation, can't reach the effect of AO denitrogenation, needs higher cost moreover at the in-process of operation. The sequencing batch activated sludge process, also known as SBR, is an activated sludge process operated intermittently, the biological treatment process and the sludge-water separation process being carried out in the same tank under normal conditions, within different time periods. A. the2After being pretreated, sewage in the/O water treatment process firstly enters an anaerobic reaction section, namely an A1 section, in the reaction process, polyphosphoric acid releases phosphorus, then enters an anoxic reactor, namely an A2 section, a large amount of nitrifying liquid is used for carrying out denitrification reaction under the anoxic condition to release nitrogen, the denitrification effect is good, and finally enters an oxygen consumption section, namely an O section, mainly degrades and absorbs some organic matters, and the effluent hardly reaches the first-level A standard of pollutant discharge standard of urban sewage treatment plants. MBR biological membrane treatment technology combines biological treatment technology and membrane separation technology; is more born than the originalThe water treatment technology and the MBR technology are mainly characterized in that equipment is relatively compact, large area cannot be occupied, the quality of discharged water is good, high efficiency is achieved in the treatment process, automatic control can be achieved, the operation process is simple, the original biochemical treatment technology is characterized in that the occupied area is large, the process is relatively complex, energy consumption is high, and the defects are well made up by the MBR biological membrane treatment technology.
In the environment of anaerobic and anoxic alternate operation, facultative microorganisms with denitrifying phosphorus removal function are easier to enrich. In order to better solve the problem that the domestic sewage in the service area of the expressway pollutes the environment, the utility model discloses a with traditional A2The combination of the/O process and the biological Membrane (MBR) technology overcomes the defect that A alone is adopted2In the process of/O, the effluent hardly meets the first-class A standard of pollutant discharge standard of urban sewage treatment plants; the utility model discloses a set up ultrasonic wave level gauge, flowmeter, motorised valve, rely on full automatic control cabinet to carry out full automatic control to equipment, solved highway service area dispersion, the difficult scheduling problem of operation management.
The utility model has the advantages of small occupied area, simple process, low running cost, simple maintenance, stable water quality of discharged water and the like, and has wide application prospect.
Disclosure of Invention
The utility model aims at solving the problems in the prior art and providing an intelligent integrated treatment device for domestic sewage in a highway service area.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an intelligent integrated treatment device for domestic sewage in a highway service area comprises an anaerobic tank, an anoxic tank and an aerobic tank, wherein a water inlet is formed in the upper part of the front end of the anaerobic tank, and the tail end of the anaerobic tank is sequentially partitioned into the anoxic tank, the aerobic tank and an MBR tank through partition plates;
the anaerobic tank and the anoxic tank are separated by a partition plate, a first overflow edge is arranged at the bottom of the partition plate for separating the anaerobic tank from the anoxic tank, and the bottom end of the interior of the anaerobic tank is communicated with the anoxic tank through the first overflow edge;
the anoxic tank and the aerobic tank are separated by a partition plate, a second overflow edge is arranged at the upper part of the partition plate for separating the anoxic tank from the aerobic tank, and the upper end of the interior of the anoxic tank is communicated with the aerobic tank through the second overflow edge;
a water distribution tank is separated between the aerobic tank and the MBR tank through a partition plate, a third water flow layer is arranged at the lower part of the partition plate for separating the aerobic tank from the water distribution tank, and a fourth water flow layer is arranged at the upper part of the partition plate for separating the water distribution tank from the MBR tank.
Preferably, the first submerged oil, the second submerged oil, the third submerged oil and the fourth submerged oil are all provided with a screen.
Preferably, the middle parts of the anaerobic tank and the anoxic tank are respectively filled with a first biological filler and a second biological filler;
an MBR membrane is installed in the MBR tank, the tail end of the MBR membrane is communicated with an MBR suction pump through a pipeline, and then is communicated with ultraviolet disinfection equipment through a pipeline;
the inside bottom in MBR pond still installs the mud backwash pump, mud backwash pump intercommunication return sludge pipe, return sludge pipe still channels into in the anaerobism pond to pass first biofilm carrier.
Preferably, the bottom ends of the anaerobic tank, the aerobic tank and the MBR tank are jointly provided with a water inlet adjusting tank conduit;
a vertical conduit communicated with the conduit of the water inlet adjusting tank is inserted into the anaerobic tank, an opening at the top end of the vertical conduit penetrates through the first biological filler and serves as a first emptying port, a section of branch pipe communicated with the tail end of the vertical conduit is positioned at the lower part of the first biological filler, and an opening at the top end of the branch pipe serves as an overflow port;
the aerobic tank and the MBR tank are provided with perforated aeration pipes which are uniformly distributed at the bottom ends inside the aerobic tank and the MBR tank, the conduit of the water inlet adjusting tank is communicated with the two perforated aeration pipes through the conduit, and the communication position of the conduit of the water inlet adjusting tank and the perforated aeration pipes in the MBR tank is used as a second emptying port.
Preferably, the first and second biofillers are both BOA biofillers.
Preferably, a hollow fiber membrane is adopted in the MBR tank as an MBR membrane, and is immersed and placed, and an ultrasonic liquid level meter is also inserted into an opening at the top end of the MBR tank.
Preferably, an MBR suction pump, an MBR backwashing pump and ultraviolet disinfection equipment are installed in the equipment chamber, the tail ends of the MBR membranes are communicated with the MBR suction pump and the MBR backwashing pump through two pipelines and then are communicated in the ultraviolet disinfection equipment together, the tail ends of the ultraviolet disinfection equipment are also communicated with an electric valve and an electromagnetic flow meter through pipelines, and then the pipelines are led out from the top opening of the equipment chamber;
the bottom end in the equipment room is also provided with an air blower, and a blast port of the air blower is also communicated with a perforated aeration pipe arranged in the MBR tank;
the ultraviolet disinfection equipment is a sealed water tank, and a plurality of ultraviolet disinfection lamps are installed in the water tank.
Preferably, the intelligent integrated processing equipment is also provided with a full-automatic control cabinet, the full-automatic control cabinet is connected with electric equipment in the intelligent integrated processing equipment through a lead, and the full-automatic control cabinet is an S7-400PLC full-automatic control cabinet.
The integrated treatment process for the domestic sewage in the expressway service area based on the equipment comprises the following steps:
(1) domestic sewage in the expressway service area enters the anaerobic tank through the water inlet, phosphorus release is completed in the anaerobic tank through anaerobic bacteria, and meanwhile, the biodegradability of the sewage is improved;
(2) the sewage after phosphorus release in the anaerobic tank enters the anoxic tank through the first overflow oil, and denitrifying bacteria in the anoxic tank perform denitrification on the nitrate by taking COD (chemical oxygen demand) in the sewage as a carbon source to realize denitrification;
(3) the sewage after denitrification in the anoxic tank enters the aerobic tank through the second overflow stream, and under the nitrification action of nitrifying bacteria in the aerobic tank, ammonia nitrogen is converted into nitrate nitrogen, aerobic phosphorus absorption is completed, and COD degradation is carried out at the same time;
(4) sewage subjected to nitrification in the aerobic tank flows into the MBR tank through the water distribution tank, is subjected to membrane filtration after further reaction in the MBR tank to complete sludge-water separation, is pumped out through an MBR suction pump in the equipment room, and is then sterilized by ultraviolet sterilization equipment and discharged outside through a pipeline;
(5) the sludge reflux pump arranged in the MBR tank can enable sludge to flow back to the anaerobic tank through the sludge reflux pump and the reflux sludge pipe according to the reflux ratio of percent;
(6) the MBR membrane is communicated with an MBR backwashing pump, the MBR backwashing pump is positioned in the equipment room, and the MBR membrane is periodically cleaned through a backwashing pipeline and the MBR backwashing pump.
Compared with the prior art, the utility model provides an intelligent integrated treatment equipment for domestic sewage in expressway service areas, possesses following beneficial effect:
(1) the utility model has simple structure, easy operation and small occupied area; each pool is completed in the same shell, so that the management is convenient;
(2) the utility model discloses at traditional A2The MBR reaction process is added at the end of the/O process, so that the sewage treatment effect is greatly improved;
(3) the utility model discloses a set up ultrasonic wave level gauge, flowmeter, motorised valve, rely on full automatic control cabinet to carry out full automatic control to equipment, solved the dispersion of highway service area, the difficult scheduling problem of operation management.
(4) And based on the utility model discloses the water treatment process of equipment is better to COD, TP and TN's treatment effect, and the COD that goes out water can reach below 50mg/L, and total phosphorus goes out below 0.5 mg/L, goes out below the water ammonia nitrogen 5mg/L, and each item goes out water quality index and all reaches and is superior to "town sewage treatment plant pollutant emission standard" one-level A standard.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation.
Drawings
FIG. 1 is a schematic view of the subjective structure of an intelligent integrated domestic sewage treatment device for a highway service area provided by the utility model;
FIG. 2 is a layout diagram of returned sludge pipes and perforated aeration pipes of the intelligent integrated domestic sewage treatment equipment in the expressway service area provided by the utility model;
FIG. 3 is a sewage treatment flow chart of the intelligent integrated domestic sewage treatment equipment for the expressway service area provided by the utility model;
in the figure: 1. an anaerobic tank; 2. an anoxic tank; 3. an aerobic tank; 4. an MBR tank; 5. an equipment room; 6. a first water-over-Jian; 7. a second Shuihujian; 8. a third hydraulic mountain stream; 9. a water distribution tank; 10. a fourth hydraulic mountain stream; 11. a return sludge pipe; 12. a first evacuation port; 13. an overflow port; 14. a second evacuation port; 15. a water inlet; 16. an MBR suction pump; 17. an MBR backwash pump; 18. a blower; 19. a sludge reflux pump; 20. an ultraviolet disinfection device; 21. an ultrasonic liquid level meter; 22. an electromagnetic flow meter; 23. a first biological filler; 24. a second biological filler; 25. MBR membrane; 26. perforating an aeration pipe; 27. a water intake regulating reservoir conduit; 28. full-automatic switch board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1-3, an intelligent integrated treatment device for domestic sewage in a service area of an expressway comprises an anaerobic tank 1, an anoxic tank 2 and an aerobic tank 3, wherein a water inlet 15 is formed in the upper part of the front end of the anaerobic tank 1, and the tail end of the anaerobic tank 1 is sequentially partitioned into the anoxic tank 2, the aerobic tank 3 and an MBR tank 4 by partition plates;
the anaerobic tank 1 and the anoxic tank 2 are separated by a partition plate, a first overflow oil 6 is arranged at the bottom of the partition plate for separating the anaerobic tank 1 from the anoxic tank 2, and the bottom end in the anaerobic tank 1 is communicated with the anoxic tank 2 through the first overflow oil 6;
the anoxic tank 2 and the aerobic tank 3 are separated by a partition plate, a second overflow oil 7 is arranged at the upper part of the partition plate for separating the anoxic tank 2 from the aerobic tank 3, and the upper end in the anoxic tank 2 is communicated with the aerobic tank 3 through the second overflow oil 7;
a water distribution groove 9 is formed between the aerobic tank 3 and the MBR tank 4 through a partition plate, a third overflow edge 8 is arranged at the lower part of the partition plate for separating the aerobic tank 3 from the water distribution groove 9, and a fourth overflow edge 10 is arranged at the upper part of the partition plate for separating the water distribution groove 9 from the MBR tank 4.
The first overflow body 6, the second overflow body 7, the third overflow body 8 and the fourth overflow body 10 are all provided with a screen so as to filter sludge and impurities in sewage.
The middle parts of the anaerobic tank 1 and the anoxic tank 2 are respectively filled with a first biological filler 23 and a second biological filler 24;
an MBR membrane 25 is installed in the MBR tank 4, the tail end of the MBR membrane 25 is communicated with the MBR suction pump 16 through a pipeline, and then is communicated with the ultraviolet disinfection equipment 20 through a pipeline, so that sewage is disinfected by the ultraviolet disinfection equipment 20 and then discharged;
the sludge reflux pump 19 is still installed to the inside bottom in MBR pond 4, and sludge reflux pump 19 intercommunication return sludge pipe 11, and return sludge pipe 11 still leads to in the anaerobism pond 1 to pass first biofilm carrier 23, return sludge pipe 11 is in 1 bottom one-tenth U type distribution in anaerobism pond, and for the perforated pipe, can prevent that return sludge from distributing unevenly, plays the effect of stirring simultaneously.
A water inlet adjusting tank conduit 27 is arranged at the outer bottom ends of the anaerobic tank 1, the aerobic tank 3 and the MBR tank 4;
an upright conduit communicated with the conduit 27 of the water inlet adjusting tank is inserted into the anaerobic tank 1, the top end opening of the upright conduit passes through the first biological filler 23 and is used as a first vent hole 12 to facilitate gas discharge, a section of branch pipe communicated with the tail end of the upright conduit is positioned at the lower part of the first biological filler 23, and the top end opening of the branch pipe is used as an overflow port 13;
the bottom ends of the inside of the aerobic tank 3 and the MBR tank 4 are both provided with perforated aeration pipes 26 which are uniformly distributed, the aerobic tank 3 is fully ensured to be uniformly oxygenated, the conduit 27 of the water inlet adjusting tank is also communicated with the two perforated aeration pipes 26 through the conduit, and the communication part of the conduit 27 of the water inlet adjusting tank and the perforated aeration pipes 26 in the MBR tank 4 is used as a second emptying port 14.
The first biological filler 23 and the second biological filler 24 are BOA biological fillers, anaerobic bacteria are further included in the first biological filler 23, denitrifying bacteria are further included in the second biological filler 24, nitrifying bacteria and phosphorus accumulating bacteria are further included in the aerobic tank 3, the fillers in the anaerobic tank 1 and the anoxic tank 2 are good in nitrogen, phosphorus and sulfide removing effect, and are combined with the aerobic tank 3 in the subsequent process to form an A/O method treatment process, so that the purposes of dephosphorization and denitrification are achieved, and dissolved oxygen in water discharged from the tail end of the aerobic tank 3 is 1.5mg/L-2.0 mg/L.
A hollow fiber membrane is adopted in the MBR tank 4 as an MBR membrane 25 and is immersed and placed, and the membrane module is stably placed in the MBR tank 4; the membrane has the advantages of low-pressure (suction or gravity) water outlet, small system working pressure, low power consumption, long-time stable operation, difficult membrane pollution, low membrane cleaning frequency, convenient cleaning operation and single-sheet membrane replacement; the solid-liquid separation capability of the system is greatly improved due to the existence of the membrane, so that the effluent quality and the volume load of the system are greatly improved, and the stable standard discharge of the effluent is ensured; an ultrasonic liquid level meter 21 is also inserted into the top end opening of the MBR tank 4 so as to detect the liquid level of the water in the MBR tank 4.
An MBR suction pump 16, an MBR backwashing pump 17 and ultraviolet disinfection equipment 20 are installed in the equipment room 5, the tail end of an MBR membrane 25 is communicated with the MBR suction pump 16 and the MBR backwashing pump 17 through two pipelines and then is communicated in the ultraviolet disinfection equipment 20 together, the tail end of the ultraviolet disinfection equipment 20 is also communicated with an electric valve and an electromagnetic flowmeter 22 through a pipeline, then the pipeline is led out from the top opening of the equipment room 5, and the MBR membrane 25 is cleaned regularly through a backwashing pipeline communicated with the MBR backwashing pump 17 and the MBR backwashing pump 17, so that the cleanliness of the MBR membrane 25 is kept;
the bottom end in the equipment room 5 is also provided with an air blower 18, and the blast orifice of the air blower 18 is also communicated with a perforated aeration pipe 26 arranged in the MBR tank 4, so that air can be blown into the MBR tank 4 conveniently to protect the normal growth of the biological membrane;
the ultraviolet disinfection device 20 is a sealed water tank, and a plurality of ultraviolet disinfection lamps are installed in the water tank, and the ultraviolet disinfection lamps are used for disinfecting sewage.
The intelligent integrated processing equipment is also provided with a full-automatic control cabinet 28, the full-automatic control cabinet 28 is connected with electric equipment in the intelligent integrated processing equipment through a lead, the full-automatic control cabinet 28 is an S7-400PLC full-automatic control cabinet which has an automatic control function, is the most common at present, uses the most common automatic control equipment and can simultaneously control various equipment to work.
Example 2
As shown in fig. 1-3, an integrated treatment process for domestic sewage in a service area of an expressway comprises the following steps:
(1) domestic sewage in the expressway service area enters the anaerobic tank 1 through the water inlet 15, phosphorus release is completed in the anaerobic tank 1 through anaerobic bacteria, and meanwhile, the biodegradability of the sewage is improved;
(2) the sewage after phosphorus release in the anaerobic tank 1 enters the anoxic tank 2 through the first overflow oil 6, and denitrifying bacteria in the anoxic tank 2 perform denitrification on the nitrate by taking COD in the sewage as a carbon source to realize denitrification;
(3) the sewage after denitrification in the anoxic tank 2 enters the aerobic tank 3 through the second overflow oil 7, under the nitrification action of nitrifying bacteria in the aerobic tank 3, ammonia nitrogen is converted into nitrate nitrogen, aerobic phosphorus absorption is completed, and COD degradation is carried out at the same time;
(4) the sewage after nitrification in the aerobic tank 3 flows into the MBR tank 4 through the water distribution tank 9, is subjected to membrane filtration after further reaction in the MBR tank 4 to complete sludge-water separation, is pumped out through an MBR suction pump 16 in the equipment chamber 5, and is then sterilized by the ultraviolet sterilizing equipment 20 and is discharged outside through a pipeline;
(5) the sludge reflux pump 19 arranged in the MBR tank 4 can make the sludge reflux to the anaerobic tank 1 through the sludge reflux pump 19 and the reflux sludge pipe 11 according to the reflux ratio of 200-300%;
(6) the MBR membrane 25 is communicated with an MBR backwashing pump 17, the MBR backwashing pump 17 is positioned in the equipment room 5, and the MBR membrane 25 is periodically cleaned through a backwashing pipeline and the MBR backwashing pump 17.
It should be noted that the utility model has simple structure, easy operation and small occupied area; each pool is completed in the same shell, so that the management is convenient; in the conventional A2The MBR reaction process is added at the end of the/O process, so that the sewage treatment effect is greatly improved; by arranging the ultrasonic liquid level meter, the flowmeter and the electric valve and depending on the full-automatic control cabinet to carry out full-automatic control on the equipment, the problems of dispersion of a highway service area, difficult operation and management and the like are solved; the treatment effect on COD, TP and TN is better, the COD of the effluent can reach below 50mg/L, the total phosphorus effluent is below 0.5 mg/L, the ammonia nitrogen of the effluent is below 5mg/L, and all effluent quality indexes reach and are superior to the first-level A standard of pollutant discharge Standard of urban wastewater treatment plants.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. An intelligent integrated domestic sewage treatment device for a highway service area comprises an anaerobic tank (1), an anoxic tank (2) and an aerobic tank (3), and is characterized in that a water inlet (15) is formed in the upper portion of the front end of the anaerobic tank (1), and the tail end of the anaerobic tank (1) is sequentially partitioned into the anoxic tank (2), the aerobic tank (3) and an MBR (membrane bioreactor) tank (4) through partition plates;
the anaerobic tank (1) and the anoxic tank (2) are separated by a partition plate, a first overflow stream (6) is arranged at the bottom of the partition plate for separating the anaerobic tank (1) from the anoxic tank (2), and the bottom end in the anaerobic tank (1) is communicated with the anoxic tank (2) through the first overflow stream (6);
the anoxic tank (2) and the aerobic tank (3) are separated by a partition plate, a second overflow stream (7) is arranged at the upper part of the partition plate for separating the anoxic tank (2) from the aerobic tank (3), and the upper end in the anoxic tank (2) is communicated with the aerobic tank (3) through the second overflow stream (7);
a water distribution groove (9) is formed between the aerobic tank (3) and the MBR tank (4) through a partition plate, a third water flowing groove (8) is formed in the lower portion of the partition plate for separating the aerobic tank (3) from the water distribution groove (9), and a fourth water flowing groove (10) is formed in the upper portion of the partition plate for separating the water distribution groove (9) from the MBR tank (4).
2. The intelligent integrated domestic sewage treatment equipment in the expressway service area according to claim 1, wherein the first submerged stream (6), the second submerged stream (7), the third submerged stream (8) and the fourth submerged stream (10) are all provided with a screen.
3. The intelligent integrated domestic sewage treatment equipment for the expressway service area according to claim 1, wherein the middle parts of the anaerobic tank (1) and the anoxic tank (2) are respectively filled with a first biological filler (23) and a second biological filler (24);
an MBR membrane (25) is installed in the MBR tank (4), the tail end of the MBR membrane (25) is communicated with an MBR suction pump (16) through a pipeline, and then is communicated with ultraviolet disinfection equipment (20) through a pipeline;
the inside bottom in MBR pond (4) still installs mud backwash pump (19), mud backwash pump (19) intercommunication return sludge pipe (11), return sludge pipe (11) still lead to in anaerobism pond (1) to pass first biofilm carrier (23).
4. The intelligent integrated treatment equipment for the domestic sewage in the expressway service area according to claim 1, wherein a water inlet adjusting tank conduit (27) is commonly arranged at the outer bottom ends of the anaerobic tank (1), the aerobic tank (3) and the MBR tank (4);
a vertical conduit communicated with the conduit (27) of the water inlet adjusting tank is inserted into the anaerobic tank (1), the top end opening of the vertical conduit penetrates through the first biological filler (23) and is used as a first exhaust port (12), a section of branch pipe communicated with the tail end of the vertical conduit is positioned at the lower part of the first biological filler (23), and the top end opening of the branch pipe is used as an overflow port (13);
the aerobic tank (3) and the MBR tank (4) are provided with perforated aeration pipes (26) which are uniformly distributed at the bottom ends, the water inlet adjusting tank guide pipe (27) is communicated with the two perforated aeration pipes (26) through the guide pipe, and the communication position of the water inlet adjusting tank guide pipe (27) and the perforated aeration pipes (26) in the MBR tank (4) is used as a second emptying port (14).
5. The intelligent integrated domestic sewage treatment equipment for the expressway service area according to claim 3, wherein the first biological filler (23) and the second biological filler (24) are both BOA biological fillers.
6. The intelligent integrated treatment equipment for the domestic sewage in the expressway service area according to claim 3, wherein the MBR tank (4) adopts a hollow fiber membrane as an MBR membrane (25) and is arranged in a submerged manner, and an ultrasonic liquid level meter (21) is further inserted into an opening at the top end of the MBR tank (4).
7. The intelligent integrated treatment equipment for the domestic sewage in the expressway service area according to claim 6, further comprising an equipment room (5), wherein an MBR suction pump (16), an MBR backwashing pump (17) and ultraviolet disinfection equipment (20) are installed in the equipment room (5), the tail ends of MBR membranes (25) are communicated with the MBR suction pump (16) and the MBR backwashing pump (17) through two pipelines and then are communicated with the ultraviolet disinfection equipment (20), the tail ends of the ultraviolet disinfection equipment (20) are also communicated with an electric valve and an electromagnetic flow meter (22) through pipelines, and then the pipelines are led out from the top opening of the equipment room (5);
the bottom end in the equipment room (5) is also provided with a blower (18), and the blast orifice of the blower (18) is also communicated with a perforated aeration pipe (26) arranged in the MBR tank (4);
the ultraviolet disinfection equipment (20) is a sealed water tank, and a plurality of ultraviolet disinfection lamps are installed in the water tank.
8. The intelligent integrated treatment equipment for the domestic sewage in the expressway service area according to claim 1, wherein the intelligent integrated treatment equipment is further provided with a full-automatic control cabinet (28), the full-automatic control cabinet (28) is connected with electric equipment in the intelligent integrated treatment equipment through a lead, and the full-automatic control cabinet (28) is an S7-400PLC full-automatic control cabinet.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110950489A (en) * | 2019-04-18 | 2020-04-03 | 湖南湘牛环保实业有限公司 | Intelligent integrated treatment equipment and process for domestic sewage in expressway service area |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110950489A (en) * | 2019-04-18 | 2020-04-03 | 湖南湘牛环保实业有限公司 | Intelligent integrated treatment equipment and process for domestic sewage in expressway service area |
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