CN101585646A - Artificial wetland treatment system for high-concentration sewage - Google Patents
Artificial wetland treatment system for high-concentration sewage Download PDFInfo
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- CN101585646A CN101585646A CNA2008101121794A CN200810112179A CN101585646A CN 101585646 A CN101585646 A CN 101585646A CN A2008101121794 A CNA2008101121794 A CN A2008101121794A CN 200810112179 A CN200810112179 A CN 200810112179A CN 101585646 A CN101585646 A CN 101585646A
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- artificial wetland
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- concentration 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 an artificial wetland treatment system for high-concentration sewage. The artificial wetland treatment system for the high-concentration sewage comprises an anaerobic hydrolysis tank, a venture tube, a splash board and an artificial wetland which are orderly connected, wherein a convergent inlet of the venture tube is connected with the upper part of the anaerobic hydrolysis tank through a high pressure pump, a throat of the venture tube is connected with the atmosphere through an air inlet pipe, and a divergent outlet of the venture tube is provided with a jet pipe which extends forward; the splash board is positioned above the artificial wetland on front of the jet pipe; and the artificial wetland has a horizontal deflection structure, and a water reservoir is arranged on the water outlet of the artificial wetland. The artificial wetland treatment system for the high-concentration sewage has a simple structure and reasonable process, decomposes macromolecular organic substances into small molecular organic substances which are easy for aerobic biochemical treatment through the anaerobic hydrolysis tank, ensures that sludge is efficiently mixed with the air through the venture tube and the splash board to adjust and improve the biochemical process in the artificial wetland, and improves the operating environment and the purification effect of the artificial wetland. The artificial wetland treatment system for the high-concentration sewage is suitable for the treatment of sewage with higher concentration.
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, improve the subject range of artificial wet land treating system,, can also utilize the natural wetland condition that wetland is transformed for place with good conditionsi, be adapted to the processing of higher concentration sewage, and do not need land occupation resource separately.Reducing concentration of wastewater can realize by pre-treating technology, 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 artificial wet land treating system of high-concentration sewage, the required floor space of this system is little, can concentration of treatment than higher sewage, and processing costs is relatively low.
Technical scheme of the present invention is: a kind of artificial wet land treating system of high-concentration sewage, comprise the anaerobic hydrolysis pond, Venturi meter, splash board and the artificial swamp that connect successively, the convergent portion import of described Venturi meter connects the top in described anaerobic hydrolysis pond by high-pressure pump, throat connects atmosphere by inlet pipe, the outlet of flaring portion is provided with the jet pipeline that extends forward, and described splash board is positioned at described jet pipe outrunner worker wetland top.
Kinds of processes of the present invention has realized the purification of sewage, wherein at first set up the anaerobic hydrolysis pond of anoxic condition at higher concentration sewage, larger molecular organics is decomposed into the small organic molecule that is easy to aerobic biochemical, because sewage is in the oxygen consumption of the process of catchmenting, this anaerobic hydrolysis is easy to realize and the regulation and control operating parameter, and can not produce peculiar smell overflows, undertaken with the high efficient mixed between the air by described Venturi meter then, increase substantially the oxygen level in the sewage, and the setting of splash board has effectively utilized the head of Venturi meter especially, further enlarge the contact of sewage with air, to adjust and to control the biological process in the artificial swamp, on the basis of hydrolysis, mainly carry out organic purification in the sewage by aerobic biochemical efficiently, can better improve the running environment and the decontamination effect improving of artificial swamp thus.In addition, this system architecture is simple, and is easy to operate, is adapted to the processing of the sewage of higher concentration.
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 artificial wet land treating system of high-concentration sewage, comprise the anaerobic hydrolysis pond 2, Venturi meter 4, splash board 5 and the artificial swamp 6 that connect successively, the convergent portion import of described Venturi meter connects the top in described anaerobic hydrolysis pond by high-pressure pump 3, throat connects atmosphere by inlet pipe, the outlet of flaring portion is provided with the jet pipeline that extends forward, and described splash board is positioned at described jet pipe outrunner worker wetland top.
Front, described anaerobic hydrolysis pond can be provided with mechanical grille 1, to eliminate foreign material.
Described anaerobic hydrolysis pond bottom can be provided with scrapes mud device 9, is used for mud is scraped in the mud-collecting slot at the bottom of the pond, by the sludge pump that connects mud-collecting slot mud is released.The discharge tube of described sludge pump connects sludge thickener 8, so that the subsequent disposal of mud.
Described inlet pipe can be provided with check valve, and control air can only advance and can not go out.
Described inlet pipe can also be provided with variable valve, with the control air input, avoids the excessive consumption of energy.
Described splash board can be a body of wall that is arranged on artificial swamp feed-water end top usually, also can adopt building stones to make convex shape towards jet pipe, after sewerage jet flow is mapped to this splash board, to splashing, with the air thorough mixing everywhere.Therefore, described Venturi meter also can be erected on the body of wall of artificial swamp, and this structure helps reducing taking up an area of face.
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 described 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.
Described artificial swamp can utilize existing wetland conditions such as existing depression, pool, handles the back through the bottom surface antiseepage and forms, to avoid sewage permeation polluted underground water in the underground water.
Can also culture bivalves in the described artificial swamp, so that removal of pollutants plays the effect that purifies water.
Described artificial swamp adopts the horizontal baffling structure, and its water outlet place is provided with retention basin 7.
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.
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. the artificial wet land treating system of a high-concentration sewage, it is characterized in that comprising the anaerobic hydrolysis pond, Venturi meter, splash board and the artificial swamp that connect successively, the convergent portion import of described Venturi meter connects the top in described anaerobic hydrolysis pond by high-pressure pump, throat connects atmosphere by inlet pipe, the outlet of flaring portion is provided with the jet pipeline that extends forward, and described splash board is positioned at described jet pipe outrunner worker wetland top.
2. the artificial wet land treating system of high-concentration sewage as claimed in claim 1 is characterized in that front, described anaerobic hydrolysis pond is provided with mechanical grille.
3. the artificial wet land treating system of high-concentration sewage as claimed in claim 1 is characterized in that bottom, described anaerobic hydrolysis pond is provided with to scrape mud device and mud-collecting slot that described mud-collecting slot connects by sludge pump, and the discharge tube of described sludge pump connects sludge thickener.
4. the artificial wet land treating system of high-concentration sewage as claimed in claim 1 is characterized in that described inlet pipe is provided with check valve.
5. the artificial wet land treating system of high-concentration sewage as claimed in claim 4 is characterized in that described inlet pipe also is provided with variable valve.
6. the artificial wet land treating system of high-concentration sewage as claimed in claim 1 is characterized in that described splash board is a body of wall that is arranged on artificial swamp feed-water end top, or the convex body towards jet pipe that adopts building stones to make.
7. as the artificial wet land treating system of claim 1,2,3,4,5 or 6 described high-concentration sewages, the matrix that it is characterized in that the described artificial swamp of described artificial swamp is that any one or several arbitrarily arbitrary proportions in the following material mixes: sand compound, rubble, zeolite, Wingdale, cinder, slag, blast furnace slag, rubble, haydite, melon seeds sheet and cobble.
8. the artificial wet land treating system of high-concentration sewage as claimed in claim 7 is characterized in that being provided with in the described artificial swamp level backflow dividing plate or partition wall.
9. the artificial wet land treating system of high-concentration sewage as claimed in claim 8 is characterized in that also culturing in the described artificial swamp bivalves is arranged.
10. the artificial wet land treating system of high-concentration sewage 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 |
|---|---|---|---|
| CNA2008101121794A CN101585646A (en) | 2008-05-20 | 2008-05-20 | Artificial wetland treatment system for high-concentration sewage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101121794A CN101585646A (en) | 2008-05-20 | 2008-05-20 | Artificial wetland treatment system for high-concentration sewage |
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| CN101585646A true CN101585646A (en) | 2009-11-25 |
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| CNA2008101121794A Pending CN101585646A (en) | 2008-05-20 | 2008-05-20 | Artificial wetland treatment system for high-concentration sewage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674619A (en) * | 2011-03-14 | 2012-09-19 | 上海市政工程设计研究总院（集团）有限公司 | Combined enhanced treatment process for micro-pollution high-ammonia nitrogen raw water |
| CN103387320A (en) * | 2013-08-16 | 2013-11-13 | 北京中环嘉诚环境工程有限公司 | Artificial wetland system |
| CN104176886A (en) * | 2014-09-03 | 2014-12-03 | 长兴日月环保机械有限公司 | Micro power MBR sewage treatment device and method |
-
2008
- 2008-05-20 CN CNA2008101121794A patent/CN101585646A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674619A (en) * | 2011-03-14 | 2012-09-19 | 上海市政工程设计研究总院（集团）有限公司 | Combined enhanced treatment process for micro-pollution high-ammonia nitrogen raw water |
| CN103387320A (en) * | 2013-08-16 | 2013-11-13 | 北京中环嘉诚环境工程有限公司 | Artificial wetland system |
| CN103387320B (en) * | 2013-08-16 | 2015-08-05 | 北京中环嘉诚环境工程有限公司 | Artificial wet land system |
| CN104176886A (en) * | 2014-09-03 | 2014-12-03 | 长兴日月环保机械有限公司 | Micro power MBR sewage treatment device and method |
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Open date: 20091125 |