CN101585581A - Combined type artificial wetland sewage treatment system - Google Patents
Combined type artificial wetland sewage treatment system Download PDFInfo
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- CN101585581A CN101585581A CNA2008101121563A CN200810112156A CN101585581A CN 101585581 A CN101585581 A CN 101585581A CN A2008101121563 A CNA2008101121563 A CN A2008101121563A CN 200810112156 A CN200810112156 A CN 200810112156A CN 101585581 A CN101585581 A CN 101585581A
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- sewage treatment
- combined type
- treatment system
- artificial wetland
- wetland sewage
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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 invention relates to a combined type artificial wetland sewage treatment system, which comprises a bar screen, an aeration water-collecting tank, a sedimentation tank and an artificial wetland connected in turn, wherein the bottom of the aeration water-collecting tank is provided with an aerator for aeration in the tank; the bottom of the sedimentation tank can be connected with a sludge pump; a discharge pipeline of the sludge pump is connected with a sludge concentration tank; and the artificial wetland adopts a horizontal baffling structure, and the water outlet is provided with a water storage tank. Because the aerator is arranged in the water-collecting tank to form the aeration water-collecting tank, the aeration and aerobic biochemical treatments are performed while collecting water, which reduces the pollutant content in the sewage, is helpful to the subsequent sludge sedimentation in the sedimentation tank to separate out the sludge in the sewage effectively, and simultaneously saves the space and equipment, and avoids fermentation and peculiar smell in the process of collecting water; and because the artificial wetland adopts the horizontal baffling structure, the processing effect is improved. The combined type artificial wetland sewage treatment system can treat the sewage with higher concentration and has lower pretreatment cost.
Description
Technical field
The present invention relates to a kind of Sewage treatment systems, particularly a kind of comprehensive sewage treatment system in conjunction with various processing modes based on artificial swamp belongs to field of environment protection.
Background technology
The mankind use precipitation, filtration process as centralized water treatment plant the earliest from Englishman in 1804, the American had invented coagulation, precipitation, filtration, chlorine disinfectant technology in 1884, use the history in existing 120 years till today, though the mankind constantly have new discovery and raising aspect clean water treatment, but the treatment process of domestic water but remains unchanged basically, does not upgrade in essence and breaks through.Yet very big variation has but taken place at the water source of process object: the water source before century-old is because industrial, agriculture undeveloped, and water body is not contaminated.And in decades, development of modern industry, especially chemical engineering industry happen suddenly, industrial wastewater discharge, the loss of agrochemical, agricultural chemicals, the pollution of sanitary sewage etc., serious day by day to the contaminated degree of source water, make the traditional water treatment process be difficult to guarantee fine water.
Artificial marsh sewage treatment system is a kind of sewage disposal technology that grows up the seventies in 20th century, compare with traditional sewage second-level biochemical processing process, have that good purification, processing unit are simple, the during-operation service convenient management, energy consumption is low, system configuration plasticity-strong,, engineering capital construction strong to load variations adaptability and working cost is low, water outlet has certain biological safety, ecological environment benefit significantly, can realize characteristics such as sewage recycling, obtain people's attention just more and more.Its defective is that floor space is big, and is easy to occur problem such as obstruction, is not suitable for the higher sewage disposal of pollution concentration.
Enter the pollution load of artificial swamp for minimizing, can realize preprocessing system, for example aerobic biochemical, anaerobic biological, mechanical separation, flocculation sediment or the like, for these modes, need to consider the suitable condition of different places, stability of cost, place, maintenance, quantity of wastewater effluent or the like for example, under passable situation, sorting charge is with minimum pre-treatment mode.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the invention provides a kind of combined type artificial wetland sewage treatment system, the required floor space of this system is little, is not prone to problems such as obstruction, can concentration of treatment than higher sewage, and its pre-treatment expense is lower.
Technical scheme of the present invention is: a kind of combined type artificial wetland sewage treatment system, comprise the grid, aeration water collecting basin, settling tank and the artificial swamp that connect successively, described aeration water collecting basin bottom is provided with the aerating apparatus of inflation in the pond, the bottom of described settling tank can connect sludge pump, the discharge tube of described sludge pump connects sludge thickener, described artificial swamp adopts the horizontal baffling structure, and its water outlet place is provided with retention basin.
Owing to before sewage enters artificial swamp, be provided with grid, screened out the oversize material that influences subsequent disposal in the sewage, owing in water collecting basin, increased aerating apparatus, form the aeration water collecting basin, aeration and aerobic biochemical treatment when catchmenting, have just been carried out, reduced pollutants in sewage content, and the sludge settling that helps the post precipitation pond, effectively the mud in the sewage is separated, space and equipment have also been saved simultaneously, avoided the process of catchmenting the phenomenon of fermentation and peculiar smell to occur, safeguarded surrounding environment, because artificial swamp has adopted horizontal return-flow structure, being suitable for the place smaller in the place uses, increased treating processes, improved treatment effect, owing to be provided with sludge thickener sewage, the subsequent disposal that helps mud, reduce sludge quantity,, help the recovery and the utilization of water owing to be provided with retention basin at the artificial swamp end.
Description of drawings
Fig. 1 is a system architecture synoptic diagram of the present invention.
Embodiment
Referring to Fig. 1, the invention provides a kind of combined type artificial wetland sewage treatment system, comprise the grid 1, aeration water collecting basin 2, settling tank 3 and the artificial swamp 4 that connect successively, described aeration water collecting basin bottom is provided with the aerating apparatus 2.1 for inflating in the pond, the bottom of described settling tank connects sludge pump, the discharge tube of described sludge pump connects sludge thickener 6, and described artificial swamp adopts the horizontal baffling structure, and its water outlet place is provided with retention basin 5.
Described grid can adopt the mechanical type grid, to raise the efficiency and to the effect that screens out of foreign material.
Described aerating apparatus can be the aeration head that connects the high-pressure air feed pipeline.Can adopt the mode of interval type work to carry out aeration, both passed through certain aeration after, stop period of aeration, carrying out aeration, can reduce the consumption of source of the gas like this, reduce cost.
Through the aeration in the water collecting basin, can improve the oxygen level that enters settling tank and artificial swamp sewage, avoid the peculiar smell that causes because of hypoxgia in water collecting basin itself and the follow-up equipment and to the negative impact of purification of water quality, improve the biodegradability of sewage, and avoid improving the precipitable property of mud because the suspended sludge that anaerobic reaction causes occurs in the water collecting basin.
Can also realize the homogenizing of sewage by aeration, stablize follow-up load.
After the mud of described settling tank is squeezed into sludge thickener and is concentrated by the sludge pump that is provided with in settling tank bottom, row processing again.
The water outlet of described settling tank is provided with overflow weir, adopts the water outlet of overflow mode, and water outlet enters described artificial swamp through overflow weir.
The horizontal plane of described overflow weir preferably is higher than the artificial swamp horizontal plane more than 300 millimeters, impacts so that form when sewage falls, and increases oxygen at meltage.
Can be provided with level backflow dividing plate or partition wall in the described artificial swamp, reflux, prolong flow path, and form different conversion zones in different zones so that form.
The matrix of described artificial swamp can adopt one or more the mixture in sand compound, rubble, zeolite, Wingdale, cinder, slag, blast furnace slag, rubble, haydite, melon seeds sheet and the cobble.The plant of artificial swamp can be adopted the suitable plant that is suitable for local environment conditions and sewage disposal needs, for example reed, Canna generalis Bailey, cattail, Rush, giantreed, Caulis Miscanthis floriduli etc.
Can also culture bivalves in the described artificial swamp, so that removal of pollutants plays the effect that purifies water.
Described retention basin is arranged on the current end of artificial swamp, so that collect through the sewage behind the wetland purification, is provided with submersible pump in the pond, so that water is got, carries out recycle.
After pre-treatment, can significantly improve the hydraulic surface loading that artificial swamp is disposed of sewage, reduce the floor space of artificial swamp, reduce the sewage treatment project investment cost, and the efficient height of this artificial swamp itself, water flow mode is reasonable, also help to reduce floor space, improve treatment effect, for sanitary sewage and other similar combined sewages, through reaching emission standard after the native system processing.
Claims (10)
1. combined type artificial wetland sewage treatment system, it is characterized in that comprising the grid, aeration water collecting basin, settling tank and the artificial swamp that connect successively, described aeration water collecting basin bottom is provided with the aerating apparatus of inflation in the pond, the bottom of described settling tank can connect sludge pump, the discharge tube of described sludge pump connects sludge thickener, and described artificial swamp adopts the horizontal baffling structure.
2. combined type artificial wetland sewage treatment system as claimed in claim 1 is characterized in that described grid adopts mechanical grille.
3. combined type artificial wetland sewage treatment system as claimed in claim 1 is characterized in that described aerating apparatus is the aeration head that connects the high-pressure air feed pipeline, and adopts the mode aeration of interval type work.
4. combined type artificial wetland sewage treatment system as claimed in claim 1 is characterized in that the bottom of described settling tank connects sludge pump, and the discharge tube of described sludge pump connects sludge thickener.
5. combined type artificial wetland sewage treatment system as claimed in claim 1 is characterized in that the water outlet of described settling tank is provided with overflow weir, and water outlet enters described artificial swamp through overflow weir.
6. combined type artificial wetland sewage treatment system as claimed in claim 6 is characterized in that the horizontal plane of described overflow weir is higher than the artificial swamp horizontal plane more than 300 millimeters.
7. as claim 1,2,3,4,5 or 6 described combined type artificial wetland sewage treatment systems, it is characterized in that being provided with in the described artificial swamp level backflow dividing plate or partition wall.
8. combined type artificial wetland sewage treatment system as claimed in claim 7, the matrix that it is characterized in that the described artificial swamp of described artificial swamp are that any one or the arbitrarily several arbitrary proportions in the following material mixes: sand compound, rubble, zeolite, Wingdale, cinder, slag, blast furnace slag, rubble, haydite, melon seeds sheet and cobble.
9. combined type artificial wetland sewage treatment system as claimed in claim 8 is characterized in that in the described artificial swamp also culturing that bivalves is arranged.
10. combined type artificial wetland sewage treatment system as claimed in claim 9 is characterized in that described retention basin is arranged on the current end of artificial swamp, is provided with submersible pump in the pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101121563A CN101585581A (en) | 2008-05-20 | 2008-05-20 | Combined type artificial wetland sewage treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101121563A CN101585581A (en) | 2008-05-20 | 2008-05-20 | Combined type artificial wetland sewage treatment system |
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| CN101585581A true CN101585581A (en) | 2009-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008101121563A Pending CN101585581A (en) | 2008-05-20 | 2008-05-20 | Combined type artificial wetland sewage treatment system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913730A (en) * | 2010-07-27 | 2010-12-15 | 北京特兰斯福生态环境科技发展有限公司 | Artificial wetland sewage treatment method and system |
| CN105461184A (en) * | 2015-11-30 | 2016-04-06 | 云南水务投资股份有限公司 | Device for performing sludge reduction and stabilization by utilizing intercrop plants and process of device |
| CN108147624A (en) * | 2018-01-25 | 2018-06-12 | 南昌工程学院 | A kind of processing method of country sewage |
| CN110678421A (en) * | 2017-04-28 | 2020-01-10 | 苏伊士集团 | Artificial wetland with determined size for removing pollutants |
| CN113880371A (en) * | 2021-11-15 | 2022-01-04 | 安徽井田环保科技有限公司 | Ecological wetland integrated equipment for domestic sewage and application thereof |
| CN114031183A (en) * | 2021-10-27 | 2022-02-11 | 盐城师范学院 | Composite surface flow wetland system |
-
2008
- 2008-05-20 CN CNA2008101121563A patent/CN101585581A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913730A (en) * | 2010-07-27 | 2010-12-15 | 北京特兰斯福生态环境科技发展有限公司 | Artificial wetland sewage treatment method and system |
| CN105461184A (en) * | 2015-11-30 | 2016-04-06 | 云南水务投资股份有限公司 | Device for performing sludge reduction and stabilization by utilizing intercrop plants and process of device |
| CN110678421A (en) * | 2017-04-28 | 2020-01-10 | 苏伊士集团 | Artificial wetland with determined size for removing pollutants |
| CN108147624A (en) * | 2018-01-25 | 2018-06-12 | 南昌工程学院 | A kind of processing method of country sewage |
| CN114031183A (en) * | 2021-10-27 | 2022-02-11 | 盐城师范学院 | Composite surface flow wetland system |
| CN113880371A (en) * | 2021-11-15 | 2022-01-04 | 安徽井田环保科技有限公司 | Ecological wetland integrated equipment for domestic sewage and application thereof |
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Open date: 20091125 |