CN104843948A - Treatment device and treatment method for sewage in highway service area - Google Patents
Treatment device and treatment method for sewage in highway service area Download PDFInfo
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- CN104843948A CN104843948A CN201510256927.6A CN201510256927A CN104843948A CN 104843948 A CN104843948 A CN 104843948A CN 201510256927 A CN201510256927 A CN 201510256927A CN 104843948 A CN104843948 A CN 104843948A
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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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- Treatment Of Biological Wastes In General (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a treatment device and a treatment method for sewage in a highway service area. The treatment device is sequentially provided with a pretreatment chamber, wetland, an effluent control pond and a sewage collecting tank, wherein a first sewage inlet pipe is connected with the pretreatment chamber; the pretreatment chamber is provided with a sewage inlet and a sewage outlet; the first sewage inlet pipe is connected with the sewage inlet of the pretreatment chamber; a first sewage outlet pipe is connected with the sewage outlet of the pretreatment chamber; the other end of the first sewage outlet pipe is connected with a flow equalizing pipe; the flow equalizing pipe is connected with flow dividing pipes; the wetland is provided with a sewage inlet and a sewage outlet; the other ends of the flow dividing pipes are connected with the sewage inlet of the wetland through second sewage inlet pipes; the effluent control pond is provided with a sewage inlet and a sewage outlet; the sewage outlet of the wetland is connected with the sewage inlet of the effluent control pond through a second sewage outlet pipe; the sewage outlet of the effluent control pond is connected with the sewage collecting tank through a third sewage outlet pipe. The treatment device and the treatment method disclosed by the invention are stable and reliable in operation and high in anti-shock loading capability; the recycling of the sewage in the highway service area can be realized, so that the pollution of the sewage to the environment is reduced.
Description
Technical field
The invention belongs to sewage treatment area, be specifically related to a kind of Wastewater Treatment in Expressway Service Center device and treatment process.
Background technology
Due to the singularity of Expressway Service, every day, blowdown flow rate was different, particularly Holidays and tourist season and blowdown flow rate at ordinary times differ greatly, according to large-scale sewage treatment facility, then working cost is high, and active sludge nutrition supply deficiency may be produced at blowdown flow rate hour and cause microbial death, active sludge lost efficacy; According to small-scale sewage treatment facility, then during peak period, active sludge treatment ability is inadequate, and sewage discharge can not be up to standard.
Sewage in expressway service adopts traditional wastewater treatment technology to process substantially both at home and abroad at present, and traditional wastewater treatment technology generally adopts septic tank, buried integrated equipment or SBR technique.Septic tank process is difficult to meet emission request, has entered superseded ranks at present or as pretreatment unit.Water distribution, the aeration of buried integrated equipment are not easily even, and biologic packing material easily blocks, and needs periodic replacement, and costly, complex operation, is embedded in the electromechanical equipment of underground once break down, and maintain and replace bothers.Although SBR technique is stable, effluent quality good, investment and working cost high and to manage requirement also high.
Summary of the invention
The object of the present invention is to provide a kind of Wastewater Treatment in Expressway Service Center device and treatment process, solve that contruction and maintenance cost is high, complex operation, adaptability are weak, can not meet the problems such as emission request.
The technical solution realizing the object of the invention is: a kind of Wastewater Treatment in Expressway Service Center device, comprise the pretreatment chamber set gradually, wetland, go out the water management pool and water collecting basin, first water inlet pipe is connected with pretreatment chamber, pretreatment chamber is provided with water-in and water outlet, first water inlet pipe is connected with pretreatment chamber water-in, first rising pipe is connected with pretreatment chamber water outlet, the first rising pipe the other end is connected with current-sharing pipe, current-sharing pipe is connected with isocon, wetland is provided with water-in and water outlet, the isocon the other end is connected with the water-in of wetland by the second water inlet pipe, go out the water management pool and be provided with water-in and water outlet, the water outlet of wetland by the second rising pipe with go out water management pool water-in and be connected, go out water management pool water outlet to be connected with water collecting basin by the 3rd rising pipe.
Obliquely, current-sharing pipe height is lower than the water outlet height of pretreatment chamber for above-mentioned first rising pipe.
The soil of above-mentioned wetland is from bottom to top respectively gravel bed, layer of sand, pedosphere, pedosphere is planted economical landscape plant; The water-in of wetland is positioned at gravel bed, and water outlet is positioned at above pedosphere, and lower than the water surface.
Above-mentioned go out the water-in on the water management pool be positioned at above the water surface of the water management pool, the water outlet going out the water management pool is positioned at below the water surface.
An evenly distributed M water outlet on above-mentioned current-sharing pipe, M >=2, are connected to an isocon below each water outlet.
The above-mentioned waterplant going out to cultivate in the water management pool removal heavy metal.
A kind of Wastewater Treatment in Expressway Service Center method, method is as follows:
The sewage of step 1, Expressway Service enters pretreatment chamber by the first water inlet pipe, and through between N+1 pre-treatment of pretreatment chamber, wherein N >=1, after carrying out compounding in series, precipitation, flows into current-sharing pipe downwards by the first rising pipe to sewage.
Step 2, through current-sharing pipe shunting after, flow into isocon respectively, then through second water inlet pipe flow into wetland.
Step 3, enter the sewage of wetland from bottom to top respectively through gravel bed, layer of sand, pedosphere, adsorbed by three layers of microbial film, absorb and transform, the economical landscape root system of plant of planting on pedosphere again absorbs and transforms, except the SS contained in decontaminated water, BOD5, N, P and heavy metal, flow into out the water management pool through the second rising pipe.
Step 4, go out the waterplant of the removal heavy metal in the water management pool, remove the heavy metal in sewage, the water after process flows into water collecting basin through the 3rd rising pipe.
Compared with prior art, its remarkable advantage is in the present invention: (1) contruction and maintenance cost is low; (2) adopt wetland, service area green coverage can be fully utilized; (3) adopt out the water management pool, suit measures to local conditions to adopt artificial ecological environment, utilize the detergent power of ecotope to dispose of sewage; (4) the present invention makes the nutrition that the refuse in sewage becomes biological in habitat, turns waste into wealth, is conducive to environment protection.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of Wastewater Treatment in Expressway Service Center device of the present invention.
Fig. 2 is the A-A sectional view of Wastewater Treatment in Expressway Service Center device of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Composition graphs 1 and Fig. 2, a kind of Wastewater Treatment in Expressway Service Center device, comprise the pretreatment chamber 2 set gradually, wetland 7, go out the water management pool 9 and water collecting basin 11, first water inlet pipe 1 is connected with pretreatment chamber 2, pretreatment chamber 2 is provided with water-in and water outlet, first water inlet pipe 1 is connected with pretreatment chamber 2 water-in, first rising pipe 3 is connected with pretreatment chamber 2 water outlet, first rising pipe 3 the other end is connected with current-sharing pipe 4, current-sharing pipe 4 is connected with isocon 5, wetland 7 is provided with water-in and water outlet, isocon 5 the other end is connected with the water-in of wetland 7 by the second water inlet pipe 6, go out the water management pool 9 and be provided with water-in and water outlet, the water outlet of wetland 7 by the second rising pipe 8 with go out the water management pool 9 water-in and be connected, go out the water management pool 9 water outlet to be connected with water collecting basin 11 by the 3rd rising pipe 10.
Above-mentioned pretreatment chamber 2 can adopt existing pretreatment chamber, such as septic tank, partition wall room pretreatment chamber etc.
Partition wall room pretreatment chamber structure is as follows: inside have N road partition wall, N >=1, pretreatment chamber 2 is divided between (N+1) individual pre-treatment, between each pre-treatment, top communicates, the water-in of pretreatment chamber 2 and water outlet be all arranged on pretreatment chamber 2 side wall upper part and lower than the water surface, water-in is positioned between the first pre-treatment, and water outlet is positioned between last pre-treatment.
Obliquely, prevent the impurity in the sewage flowed out from pretreatment chamber 2 from blocking water pipe, current-sharing pipe 4 height is lower than the water outlet height of pretreatment chamber 2 for above-mentioned first rising pipe 3.
The soil of above-mentioned wetland 7 is from bottom to top respectively gravel bed, layer of sand, pedosphere, pedosphere is planted economical landscape plant; The water-in of wetland 7 is positioned at gravel bed, and water outlet is positioned at above pedosphere, and lower than the water surface.
Above-mentioned go out the water-in on the water management pool 9 be positioned at above the water surface of the water management pool 9, the water outlet going out the water management pool 9 is positioned at below the water surface.
An evenly distributed M water outlet on above-mentioned current-sharing pipe 4, M >=2, are connected to an isocon 5 below each water outlet.
The above-mentioned waterplant going out to cultivate in the water management pool 9 removal heavy metal.
A kind of Wastewater Treatment in Expressway Service Center method, method is as follows:
The sewage of step 1, Expressway Service enters pretreatment chamber 2 by the first water inlet pipe 1, through between N+1 pre-treatment of pretreatment chamber 2, after carrying out compounding in series, precipitation respectively, flows into current-sharing pipe 4 downwards by the first rising pipe 3 to sewage.
Step 2, after current-sharing pipe 4 is shunted, flow into isocon 5 respectively, then flow into wetland 7 through the second water inlet pipe 6.
Step 3, enter the sewage of wetland 7 from bottom to top respectively through gravel bed, layer of sand, pedosphere, adsorbed by three layers of microbial film, absorb and transform, the economical landscape root system of plant of planting on pedosphere again absorbs and transforms, SS(suspended substance except containing in decontaminated water), BOD5 (five-day BOD), N, P, after heavy metal, flow into out the water management pool 9 through the second rising pipe 8.
Step 4, go out the waterplant of the removal heavy metal in the water management pool 9, remove heavy metal in sewage, the water after process flows into water collecting basin 11 through the 3rd rising pipe 10.
Embodiment 1
A kind of Wastewater Treatment in Expressway Service Center device, comprise set gradually pretreatment chamber 2, wetland 7, go out the water management pool 9 and water collecting basin 11,2 road partition walls are had in pretreatment chamber 2, pretreatment chamber 2 is divided between 3 pre-treatment, between each pre-treatment, top communicates, the water-in of pretreatment chamber 2 and water outlet are all arranged on the side wall upper part of pretreatment chamber 2 and lower than the water surface, water-in is positioned between the first pre-treatment, and water outlet is positioned between the 3rd pre-treatment.First water inlet pipe 1 is connected with pretreatment chamber 2, pretreatment chamber 2 is provided with water-in and water outlet, first water inlet pipe 1 is connected with pretreatment chamber 2 water-in, first rising pipe 3 is connected with pretreatment chamber 2 water outlet, first rising pipe 3 the other end is connected with current-sharing pipe 4, obliquely, current-sharing pipe 4 height is lower than the water outlet height of pretreatment chamber 2 for first rising pipe 3.Current-sharing pipe 4 is evenly distributed 10 water outlets along its length, are connected to an isocon 5 below each water outlet.Wetland 7 is provided with water-in and water outlet, the isocon the other end is connected with the water-in of wetland 7 by the second water inlet pipe 6, go out the water management pool 9 and be provided with water-in and water outlet, the water outlet of wetland 7 by the second rising pipe 8 with go out the water management pool 9 water-in and be connected, go out the water management pool 9 water outlet and be connected with water collecting basin 11 by the 3rd rising pipe 10.
The soil of above-mentioned wetland 7 is from bottom to top respectively gravel bed, layer of sand, pedosphere, pedosphere is planted the economical landscape such as reed, cattail plant; The water-in of wetland 7 is positioned at gravel bed, and water outlet is positioned at above pedosphere, and lower than the water surface.
Above-mentioned go out the water-in on the water management pool 9 be positioned at above the water surface of the water management pool 9, the water outlet going out the water management pool 9 is positioned at below the water surface.
The above-mentioned waterplant going out to cultivate in the water management pool 9 removal heavy metal, such as Herba Eichhorniae, also cultivation has other waterplant, such as Medulla Junci, and ornamental fish.
Above-mentioned go out the water management pool 9 depth of water at 0.5 meter-0.9 meter, water collecting basin 11 depth of water 0.6 meter-1.2 meters.
A kind of Wastewater Treatment in Expressway Service Center method, method is as follows:
The sewage of step 1, Expressway Service enters pretreatment chamber 2 by the first water inlet pipe 1, through between 3 pre-treatment of pretreatment chamber 2, after carrying out compounding in series, precipitation, flows into current-sharing pipe 4 downwards by the first rising pipe 3 to sewage.
Step 2, after current-sharing pipe 4 is shunted, flow into isocon 5 respectively, then flow into wetland 7 through the second water inlet pipe 6.
Step 3, enter the sewage of wetland 7 from bottom to top respectively through gravel bed, layer of sand, pedosphere, adsorbed by three layers of microbial film, absorb and transform, the economical landscape root system of plant of planting on pedosphere again absorbs and transforms, after the SS contained in decontaminated water, BOD5, N, P, heavy metal, flow into out the water management pool 9 through the second rising pipe 8.For 1L sewage, the heavy metal of P and 82%-90% of N, 81%-90% of BOD5,90%-94% of SS, 90%-94% of wherein 90%-99% can be removed.
Step 4, go out the waterplant of the removal heavy metal in the water management pool 9, remove heavy metal in sewage, the water after process flows into water collecting basin 11 through the 3rd rising pipe 10.
Go out in the water management pool 9 to have the waterplant such as Medulla Junci, Herba Eichhorniae and ornamental fish, particularly Herba Eichhorniae to remove more than 90% heavy metal in decontaminated water.Water after the water management pool 9 processes enters water collecting basin 11 by rising pipe 10.Water in water collecting basin 11 meets " agricultural irrigation water quality standard ", and for service area greening and cleaning watering, redundance is discharged by the 3rd rising pipe 12, can be used for field irrigation.
Contruction and maintenance cost of the present invention is low, adopts wetland 7, can fully utilize service area green coverage; Adopt out the water management pool, suit measures to local conditions to adopt artificial ecological environment, utilize the detergent power of ecotope to dispose of sewage; The nutrition that the present invention makes the refuse in sewage become biological in habitat, turns waste into wealth, is conducive to environment protection.
Claims (7)
1. a Wastewater Treatment in Expressway Service Center device, it is characterized in that: comprise the pretreatment chamber (2) set gradually, wetland (7), go out the water management pool (9) and water collecting basin (11), first water inlet pipe (1) is connected with pretreatment chamber (2), pretreatment chamber (2) is provided with water-in and water outlet, first water inlet pipe (1) is connected with pretreatment chamber (2) water-in, first rising pipe (3) is connected with pretreatment chamber (2) water outlet, first rising pipe (3) the other end is connected with current-sharing pipe (4), current-sharing pipe (4) is connected with isocon (5), wetland (7) is provided with water-in and water outlet, isocon (5) the other end is connected with the water-in of wetland (7) by the second water inlet pipe (6), go out the water management pool (9) and be provided with water-in and water outlet, the water outlet of wetland (7) by the second rising pipe (8) with go out the water management pool (9) water-in and be connected, go out the water management pool (9) water outlet to be connected with water collecting basin (11) by the 3rd rising pipe (10).
2. Wastewater Treatment in Expressway Service Center device according to claim 1, is characterized in that: obliquely, current-sharing pipe (4) height is lower than the water outlet height of pretreatment chamber (2) for above-mentioned first rising pipe (3).
3. Wastewater Treatment in Expressway Service Center device according to claim 1, is characterized in that: the soil of above-mentioned wetland (7) is from bottom to top respectively gravel bed, layer of sand, pedosphere, pedosphere is planted economical landscape plant; The water-in of wetland (7) is positioned at gravel bed, and water outlet is positioned at above pedosphere, and lower than the water surface.
4. Wastewater Treatment in Expressway Service Center device according to claim 1, is characterized in that: above-mentioned go out the water-in on the water management pool (9) be positioned at above the water management pool (9) water surface, the water outlet going out the water management pool (9) is positioned at below the water surface.
5. Wastewater Treatment in Expressway Service Center device according to claim 1, is characterized in that: the upper evenly distributed M water outlet of above-mentioned current-sharing pipe (4), M >=2, are connected to an isocon (5) below each water outlet.
6. Wastewater Treatment in Expressway Service Center device according to claim 1, is characterized in that: above-mentioned go out the waterplant of cultivation removal heavy metal in the water management pool (9).
7. a Wastewater Treatment in Expressway Service Center method, is characterized in that, method is as follows:
The sewage of step 1, Expressway Service enters pretreatment chamber (2) by the first water inlet pipe (1), through between N+1 pre-treatment of pretreatment chamber (2), wherein N >=1, after carrying out compounding in series, precipitation, flows into current-sharing pipe (4) downwards by the first rising pipe (3) to sewage;
Step 2, through current-sharing pipe (4) shunting after, flow into isocon (5) respectively, then through the second water inlet pipe (6) flow into wetland (7);
Step 3, enter the sewage of wetland (7) from bottom to top respectively through gravel bed, layer of sand, pedosphere, adsorbed by three layers of microbial film, absorb and transform, the economical landscape root system of plant of planting on pedosphere again absorbs and transforms, except the SS contained in decontaminated water, BOD5, N, P and heavy metal, flow into out the water management pool (9) through the second rising pipe (8);
Step 4, go out the waterplant of the removal heavy metal in the water management pool (9), remove the heavy metal in sewage, the water after process flows into water collecting basin (11) through the 3rd rising pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256927.6A CN104843948A (en) | 2015-05-20 | 2015-05-20 | Treatment device and treatment method for sewage in highway service area |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510256927.6A CN104843948A (en) | 2015-05-20 | 2015-05-20 | Treatment device and treatment method for sewage in highway service area |
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| CN104843948A true CN104843948A (en) | 2015-08-19 |
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| CN201510256927.6A Pending CN104843948A (en) | 2015-05-20 | 2015-05-20 | Treatment device and treatment method for sewage in highway service area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735689A (en) * | 2016-05-11 | 2016-07-06 | 广东中强环保设备工程有限公司 | Landscape garden type sewage plant |
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| TW201016620A (en) * | 2008-10-24 | 2010-05-01 | Lei Yang | Constructed wetland for treating saline wastewater |
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| CN105735689A (en) * | 2016-05-11 | 2016-07-06 | 广东中强环保设备工程有限公司 | Landscape garden type sewage plant |
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