CN213060573U - Overground integrated device for sewage treatment of expressway service area - Google Patents
Overground integrated device for sewage treatment of expressway service area Download PDFInfo
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- CN213060573U CN213060573U CN202021691059.7U CN202021691059U CN213060573U CN 213060573 U CN213060573 U CN 213060573U CN 202021691059 U CN202021691059 U CN 202021691059U CN 213060573 U CN213060573 U CN 213060573U
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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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Abstract
The utility model discloses an integrated device on ground for highway service area sewage treatment, including grid bilge well and clean water basin, set gradually sewage equalizing basin, anaerobism cell body, contact oxidation pond, MBR membrane biological reaction pond and the well water recovery pond through the pipeline intercommunication between grid bilge well and the clean water basin. The utility model discloses in, through the setting in grid sewage, sewage equalizing basin, anaerobism cell body, catalytic oxidation pond, MBR membrane biological reaction pond, realized getting rid of the impurity of great granule in the sewage, adjust balanced quality of water, water yield, handle the anaerobe and the aerobe of aquatic, then degrade the organic matter in the microorganism to realize highway service area's integration sewage treatment, improved the sewage treatment effect, reduced the maintenance cost.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to an integrated device on ground for highway service area sewage treatment.
Background
The main functions of the expressway service area are to provide services such as rest of traveling personnel, catering and the like, provide vehicle refueling and charging services, the scale of the service area is the largest in accessory facilities, the traffic flow and the people flow are also the largest, the problem of large water consumption in the service area is caused, and meanwhile, the phenomenon of large water resource waste is caused. Therefore, it is necessary to take measures to reduce the amount of fresh water in the service area and to increase the amount of reuse water.
At present, sewage in highway service areas at home and abroad is basically treated by a traditional sewage treatment technology, the traditional sewage treatment technology generally adopts a septic tank, an underground integrated device or an SBR (sequencing batch reactor) process, the septic tank treatment cannot meet the requirements of recycling and discharging, the prior art enters a removal line or a pretreatment device, the water distribution and aeration of the underground integrated device are not easy to be uniform, biological fillers are easy to block, and the device needs to be replaced periodically, the cost is high, the operation is complex, once the underground electromechanical device breaks down, the maintenance and the replacement are troublesome, although the SBR process has stable operation and good effluent quality, the investment and the operation cost are high, and the requirements on management are also high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the overground integrated device for treating the sewage in the expressway service area is provided for solving the problems that the existing sewage treatment equipment is high in maintenance cost and cannot meet the requirements of recycling and discharging after treatment.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an overground integrated device for sewage treatment of a highway service area comprises a grating sewage well and a clean water tank, wherein a sewage adjusting tank, an anaerobic tank body, a contact oxidation tank, an MBR (membrane bioreactor) and a reclaimed water recovery tank which are communicated through pipelines are sequentially arranged between the grating sewage well and the clean water tank;
the bottom of the grid sewage well is provided with a lifting pump which is communicated with a sewage adjusting tank through a water pipe;
the anaerobic tank body comprises a primary anaerobic tank, a secondary anaerobic tank and a tertiary anaerobic tank, wherein the front wall of the primary anaerobic tank is connected with a sewage regulating tank through a water pipe and a booster pump, the rear wall overflow port of the primary anaerobic tank is connected with the front wall water inlet of the secondary anaerobic tank through a water pipe, the rear wall overflow port of the secondary anaerobic tank is connected with the front wall water inlet of the tertiary anaerobic tank through a water pipe, the rear wall overflow port of the tertiary anaerobic tank is connected with the front wall water inlet of a contact oxidation tank through a water pipe, and the rear wall overflow port of the contact oxidation tank is connected with the water inlet of the front wall of an MBR membrane biological reaction tank through a water pipe;
the inner surface wall of the bottom of the MBR membrane biological reaction tank is provided with a reflux pump, the reflux pump is connected with a sewage regulating tank through a pipeline, a self-priming pump and a water pipe are arranged between the MBR membrane biological reaction tank and a reclaimed water recovery tank, an ozone disinfection system is arranged between the reclaimed water recovery tank and a clean water tank, and the ozone disinfection system comprises an ozone generator and a jet water pump;
the bottom in contact oxidation pond and MBR membrane bioreaction pond all is provided with the axis of rotation of horizontal direction in the top that is located micropore aeration pipe, be provided with the vortex leaf in the axis of rotation, the tip cover of axis of rotation is equipped with vice awl tooth, the interior table wall all runs through there is the drive shaft in the end in contact oxidation pond and MBR membrane bioreaction pond, the top cover of drive shaft is equipped with the main awl tooth of being connected with vice awl tooth meshing, one of them the bottom of drive shaft is connected with driving motor, two the drive shaft passes through belt drive and connects.
As a further description of the above technical solution: and microporous aeration pipes are distributed at the bottoms of the contact oxidation tank and the MBR membrane biological reaction tank and are connected with an aeration fan arranged inside the equipment room through a gas pipeline.
As a further description of the above technical solution: the anaerobic tank body, the contact oxidation tank and the MBR membrane biological reaction tank are all soaked with biological fillers.
As a further description of the above technical solution: and a filler support is arranged above the anaerobic tank body, the contact oxidation tank and the MBR membrane biological reaction tank, the filler support is made of round steel with the diameter of 16-20 mm, and the distance between the filler supports is 200-250 mm.
As a further description of the above technical solution: the ground integrated device further comprises an equipment room, and a power distribution control system is installed in the equipment room.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, through the setting in grid sewage, sewage equalizing basin, anaerobism cell body, catalytic oxidation pond, MBR membrane biological reaction pond, realized getting rid of the impurity of great granule in the sewage, adjust balanced quality of water, water yield, handle the anaerobe and the aerobe of aquatic, then degrade the organic matter in the microorganism to realize highway service area's integration sewage treatment, improved the sewage treatment effect, reduced the maintenance cost.
2. The utility model discloses in, drive one of them drive shaft through driving motor and rotate, the drive shaft passes through the belt and drives another drive shaft and rotate in step, the rotation of drive shaft drives main bevel gear and rotates, and main bevel gear drives vice bevel gear and rotates, and the rotation of vice bevel gear drives the axis of rotation and rotates, and the axis of rotation drives the vortex leaf and rotates, and the vortex leaf makes for the aeration more even in contact oxidation pond and MBR membrane bioreaction pond for empty aeration pipe, and the later stage waste water treatment work of being convenient for goes on.
Drawings
FIG. 1 is a schematic structural diagram illustrating a front view of an overground integrated device for sewage treatment in a highway service area according to an embodiment of the utility model;
FIG. 2 is a schematic view showing a connection structure between a plurality of pools of an overground integrated device for sewage treatment of a highway service area according to an embodiment of the utility model;
FIG. 3 is an enlarged schematic view of part A of an integrated above-ground device for treating sewage in a service area of a highway according to an embodiment of the present invention;
illustration of the drawings: 1. a grid bilge well; 2. a clean water tank; 3. a sewage adjusting tank; 4. an anaerobic tank body; 41. a primary anaerobic tank; 42. a second-stage anaerobic tank; 43. a third-stage anaerobic tank; 5. a contact oxidation pond; 6. MBR membrane biological reaction tank; 7. a reclaimed water recovery tank; 8. a self-priming pump; 9. a device room; 10. an aeration fan; 11. a filler support; 12. an ozone disinfection system; 13. a rotating shaft; 131. a spoiler blade; 132. a secondary bevel gear; 14. a drive shaft; 141. a main bevel gear; 15. a drive motor; 16. a belt.
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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides a technical solution: an overground integrated device for sewage treatment of an expressway service area comprises a grating sewage well 1 and a clean water tank 2, wherein the grating sewage well 1 is used for removing large-particle impurities in sewage, a pump is prevented from being blocked and damaged, the load is reduced, and a sewage adjusting tank 3, an anaerobic tank body 4, a contact oxidation tank 5, an MBR (membrane biological reactor) 6 and a reclaimed water recovery tank 7 which are communicated through pipelines are sequentially arranged between the grating sewage well 1 and the clean water tank 2;
the sewage adjusting tank 3 can balance the water quality and the water quantity, so that the subsequent treatment process works under a relatively stable condition, and the retention time is longer than 4 times the average flow time of hours;
the bottom of the grid sewage well 1 is provided with a lifting pump which is communicated with a sewage adjusting tank 3 through a water pipe;
the anaerobic tank body 4 comprises a primary anaerobic tank 41, a secondary anaerobic tank 42 and a tertiary anaerobic tank 43, wherein the front wall of the primary anaerobic tank 41 is connected with the sewage regulating tank 3 through a water pipe and a booster pump, the rear wall overflow port of the primary anaerobic tank 41 is connected with the front wall water inlet of the secondary anaerobic tank 42 through a water pipe, the rear wall overflow port of the secondary anaerobic tank 42 is connected with the front wall water inlet of the tertiary anaerobic tank 43 through a water pipe, the rear wall overflow port of the tertiary anaerobic tank 43 is connected with the front wall water inlet of the contact oxidation tank 5 through a water pipe, and the rear wall overflow port of the contact oxidation tank 5 is connected with the water inlet of the front wall of the MBR membrane biological reaction tank 6 through;
the anaerobic tank body 4 is used for treating anaerobic organisms of the sewage, and the treatment is generally divided into three stages of hydrolysis, acid production and methane production;
a hydrolysis stage: the macromolecule organic matter is gradually dissolved in water under the action of microorganisms, and the quality of the sewage becomes black and smelly;
acid production stage: macromolecular organic matters are further decomposed into organic acids such as formic acid, acetic acid and the like, the sewage quality becomes acidic, and the higher the sewage concentration is, the stronger the acidity is;
a methanogenesis stage: under the action of methanogens, the small molecular organic acid formic acid and acetic acid are further decomposed to generate methane, carbon dioxide and hydrogen sulfide gas, the methane, the carbon dioxide and the hydrogen sulfide gas overflow, the sewage quality gradually becomes neutral, and COD (chemical oxygen demand) and BOD (biochemical oxygen demand) values are greatly reduced; because the sewage pollution load is high, the water yield is large, a multi-stage anaerobic tank is arranged, organic matters in the water body are decomposed through an anaerobic process, and because of the participation of microorganisms of an anaerobic part and a facultative anaerobic part in 'dominant bacteria', the decomposition rate of the organic matters is improved, and conditions are created for subsequent treatment;
a reflux pump 61 is arranged on the inner surface wall of the bottom of the MBR membrane biological reaction tank 6, the reflux pump 61 is connected with the sewage adjusting tank 3 through a pipeline, a self-priming pump 8 and a water pipe are arranged between the MBR membrane biological reaction tank 6 and the reclaimed water recovery tank 7, an ozone disinfection system 12 is arranged between the reclaimed water recovery tank 7 and the clean water tank 2, and the ozone disinfection system 12 comprises an ozone generator and a jet water pump;
the contact oxidation pond 5 treats aerobic organisms in the sewage, wherein the contact oxidation is one form of the aerobic organism treatment, and the method is as follows; arranging microporous aeration pipes at the bottom of the pool according to design requirements (the smaller the bubbles are, the larger the specific surface area contacted with water is, the higher the dissolved oxygen content is), arranging a built-in immersed combined filler to provide microorganism attached growth, slowing down the water flow speed, increasing the contact area of sewage and microorganisms and providing organic matters in the sewage consumed by a large amount of microorganisms; when aeration is carried out in the pool, aerobic microbial flora in the PSB and FM compound microorganisms is propagated in a large quantity, microbial mycelium and a microbial film are formed on the water body and the filler, organic pollutants are consumed in the metabolic process of large-quantity growth, propagation and death of the microorganisms, and the water body is purified;
the MBR membrane biological reaction tank 6 is composed of a PVDF (polyvinylidene fluoride) membrane component, a variable frequency water pump and a microporous aeration pipe, can degrade organic matters in microorganisms, and is placed in the tank when in use, sewage submerges the membrane component, and the MBR membrane component operates by utilizing the suction negative pressure of the inner cavity of the membrane wire through the suction of a self-sucking pump 8, has the nominal aperture of 0.4 mu m, and is an effective barrier for suspended solids, colloids and the like; the membrane filaments are thin, have good flexibility and can keep long service life, and even if the membrane filaments are damaged, the inner diameter of the membrane filaments is only 270 mu m, so the membrane filaments can be quickly blocked by sludge.
An aeration fan 10 is used for aeration, in addition to providing dissolved oxygen necessary for the growth of microorganisms, rising bubbles and turbulent water flow generated by the rising bubbles clean the surface of membrane filaments, sludge accumulation is prevented, the membrane flux is kept stable, the designed air-water ratio is 25:1, residual sludge and strains generated in an MBR membrane biological reaction tank 6 are lifted by a reflux pump at regular time to a sewage adjusting tank 3, and water discharged from the MBR membrane biological reaction tank 6 is pumped to a reclaimed water recovery tank 7 by a self-priming pump 8;
the MBR membrane biological reaction tank 6 can also carry out back flushing, the back flushing refers to a method that a specified liquid medicine flows reversely into the hollow fiber membrane from a liquid medicine treatment water pipe under the state that the membrane component is immersed in an activated sludge tank, and permeates to the raw water side through membrane micropores, so as to kill bacteria on the inner surface and decompose and flush organic matters and the like attached to the membrane surface, and recover the pressure difference between membranes, and at the moment, the filtration is required to be stopped in advance;
the reclaimed water recovery tank 7 comprises a reuse water pump, a secondary pipe network and the like, and can be adjusted and designed according to the actual condition of a user and each reuse point.
An ozone generator and a jet water pump in the ozone disinfection system 12 can disinfect sewage by ozone, a certain contact reaction time is required between the ozone disinfection effect and treated water, the ozone circulation adding system in the disinfection tank is in full contact with the treated water to disinfect and sterilize water, bacteria, peculiar smell, chromaticity and the like can be removed, and the treated water is discharged after reaching standards;
the ground integrated device also comprises an equipment room 9, a power distribution control system is arranged in the equipment room 9, and the power distribution control system can perform manual/automatic switching control on the whole processing system.
Specifically, as shown in fig. 1, microporous aeration pipes are arranged at the bottoms of the contact oxidation tank 5 and the MBR membrane biological reaction tank 6, and the microporous aeration pipes are connected with an aeration fan 10 arranged inside an equipment room 9 through a gas pipeline.
Specifically, as shown in fig. 1, the anaerobic tank body 4, the contact oxidation tank 5 and the MBR membrane biological reaction tank 6 are all soaked with biological fillers.
Specifically, as shown in fig. 1, a filler support 11 is arranged above the anaerobic tank body 4, the contact oxidation tank 5 and the MBR membrane biological reaction tank 6, the filler support 11 is made of round steel with the diameter of 15mm-20mm, and the distance between the filler supports 11 is 200 mm-300 mm.
Specifically, as shown in fig. 1 and 3, the rotating shafts 13 in the horizontal direction are arranged above the microporous aeration pipe at the bottoms of the contact oxidation tank 5 and the MBR membrane biological reaction tank 6, the rotating shafts 13 are provided with turbulence blades 131, the end parts of the rotating shafts 13 are sleeved with auxiliary bevel gears 132, the inner and outer walls of the bottoms of the contact oxidation tank 5 and the MBR membrane biological reaction tank 6 are penetrated by the driving shafts 14, the top ends of the driving shafts 14 are sleeved with main bevel gears 141 engaged and connected with the auxiliary bevel gears 132, the bottom end of one of the driving shafts 14 is connected with a driving motor 15, the two driving shafts 14 are in transmission connection through a belt 16, one of the driving shafts 14 is driven to rotate by the driving motor 15, the driving shaft 14 drives the other driving shaft 14 to synchronously rotate through the belt 16, the rotation of the driving shaft 14 drives the main bevel gears 141 to rotate, the main bevel gears 141 drive the auxiliary bevel gears 132, the rotation of vice awl tooth 132 drives axis of rotation 13 and rotates, and axis of rotation 13 drives spoiler 131 and rotates, and spoiler 131 makes for empty aeration pipe aeration more even in contact oxidation pond 5 and MBR membrane biological reaction pond 6, and the later stage waste water treatment work of being convenient for goes on.
The working principle is as follows: when the device is used, the grid sewage well 1 is adopted to remove large-particle impurities in sewage, the sewage enters the sewage adjusting tank 3 through the water pipe under the action of the lifting pump, the water quality and the water quantity are adjusted and balanced, the sewage in the sewage adjusting tank 3 enters the anaerobic tank body 4 through the water pipe to treat anaerobic organisms in the water, the anaerobic tank body 4 enters the contact oxidation tank 5 through the water pipe, the contact oxidation tank 5 treats aerobic organisms in the sewage, the treated sewage enters the MBR membrane biological reaction tank 6 to degrade organic matters in the microorganisms, then the sewage enters the reclaimed water recovery tank 7 through the water pipe under the action of the self-sucking pump 8, the reclaimed water recovery tank 7 realizes the recycling of water flow according to the setting of recycling points, the water in the reclaimed water recovery tank 7 is shunted to the clean water tank 2 after being disinfected by the ozone disinfection system 12, and therefore the integrated sewage treatment of an expressway service area is realized, the sewage treatment effect is improved, and the maintenance cost is reduced.
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 (5)
1. An overground integrated device for sewage treatment of a highway service area comprises a grid sewage well (1) and a clean water tank (2), and is characterized in that a sewage adjusting tank (3), an anaerobic tank body (4), a contact oxidation tank (5), an MBR (membrane biological reaction) tank (6) and a reclaimed water recovery tank (7) which are communicated through pipelines are sequentially arranged between the grid sewage well (1) and the clean water tank (2);
the bottom of the grid sewage well (1) is provided with a lifting pump which is communicated with a sewage adjusting tank (3) through a water pipe;
the anaerobic tank body (4) comprises a primary anaerobic tank (41), a secondary anaerobic tank (42) and a tertiary anaerobic tank (43), wherein the front wall of the primary anaerobic tank (41) is connected with the sewage regulating tank (3) through a water pipe and a booster pump, the rear wall overflow port of the primary anaerobic tank (41) is connected with the front wall water inlet of the secondary anaerobic tank (42) through a water pipe, the rear wall overflow port of the secondary anaerobic tank (42) is connected with the front wall water inlet of the tertiary anaerobic tank (43) through a water pipe, the rear wall overflow port of the tertiary anaerobic tank (43) is connected with the front wall water inlet of the contact oxidation tank (5) through a water pipe, and the rear wall overflow port of the contact oxidation tank (5) is connected with the water inlet of the front wall of the MBR membrane biological reaction tank (6) through a water pipe;
a reflux pump (61) is arranged on the inner surface wall of the bottom of the MBR membrane biological reaction tank (6), the reflux pump (61) is connected with the sewage regulating tank (3) through a pipeline, a self-priming pump (8) and a water pipe are arranged between the MBR membrane biological reaction tank (6) and the reclaimed water recovery tank (7), an ozone disinfection system (12) is arranged between the reclaimed water recovery tank (7) and the clean water tank (2), and the ozone disinfection system (12) comprises an ozone generator and a jet water pump;
the bottom in contact oxidation pond (5) and MBR membrane bioreaction pond (6) all is provided with axis of rotation (13) of horizontal direction in the top that is located micropore aeration pipe, be provided with vortex leaf (131) on axis of rotation (13), the tip cover of axis of rotation (13) is equipped with vice awl tooth (132), the interior table wall all runs through drive shaft (14) in the end in contact oxidation pond (5) and MBR membrane bioreaction pond (6), the top cover of drive shaft (14) is equipped with main awl tooth (141) of being connected with vice awl tooth (132) meshing, one of them the bottom of drive shaft (14) is connected with driving motor (15), two drive shaft (14) are connected through belt (16) transmission.
2. The above-ground integrated device for sewage treatment in the expressway service area according to claim 1, wherein microporous aeration pipes are arranged at the bottoms of the contact oxidation tank (5) and the MBR membrane biological reaction tank (6) and are connected with an aeration fan (10) arranged inside the equipment room (9) through a gas pipeline.
3. The above-ground integrated device for sewage treatment of the expressway service area according to claim 1, wherein the anaerobic tank body (4), the contact oxidation tank (5) and the MBR membrane biological reaction tank (6) are all soaked with biological fillers.
4. The above-ground integrated device for sewage treatment of the expressway service area according to claim 1, wherein a filler support (11) is arranged above the anaerobic tank body (4), the contact oxidation tank (5) and the MBR membrane biological reaction tank (6), the filler support (11) is made of round steel with the diameter of 16mm-20mm, and the interval between the filler supports (11) is 200-250 mm.
5. An above-ground integrated apparatus for sewage treatment of expressway service areas according to claim 1, further comprising an equipment room (9), wherein a power distribution control system is installed in the equipment room (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021691059.7U CN213060573U (en) | 2020-08-14 | 2020-08-14 | Overground integrated device for sewage treatment of expressway service area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021691059.7U CN213060573U (en) | 2020-08-14 | 2020-08-14 | Overground integrated device for sewage treatment of expressway service area |
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| Publication Number | Publication Date |
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| CN213060573U true CN213060573U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021691059.7U Active CN213060573U (en) | 2020-08-14 | 2020-08-14 | Overground integrated device for sewage treatment of expressway service area |
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