CN102583902B - Treatment system for comprehensive utilization of rural sewage - Google Patents

Treatment system for comprehensive utilization of rural sewage Download PDF

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Publication number
CN102583902B
CN102583902B CN2012100660360A CN201210066036A CN102583902B CN 102583902 B CN102583902 B CN 102583902B CN 2012100660360 A CN2012100660360 A CN 2012100660360A CN 201210066036 A CN201210066036 A CN 201210066036A CN 102583902 B CN102583902 B CN 102583902B
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China
Prior art keywords
wetland
bio
anaerobic pond
sewage
water
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Expired - Fee Related
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CN2012100660360A
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Chinese (zh)
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CN102583902A (en
Inventor
陈新
王坚
陈伟
章羞月
张梦
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HANGZHOU YUNXI ENVIRONMENTAL PROTECTION SCI-TECH CO LTD
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HANGZHOU YUNXI ENVIRONMENTAL PROTECTION SCI-TECH CO LTD
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Publication of CN102583902A publication Critical patent/CN102583902A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention provides a treatment system for comprehensive utilization of rural sewage. The treatment system comprises a biological anaerobic pond and an artificial biological wetland, wherein the anaerobic pond is communicated with a biogas tank and sewers such that the biogas slurry in the biogas tank and the domestic sewage in the sewers enter the biological anaerobic pond, and the water outlet of the biological anaerobic pond is communicated with the artificial biological wetland so that the sewage treated in the biological anaerobic pond enters the artificial biological wetland. The treatment system can effectively solve the problems in rural sewage treatment, such as high investment, complicated process, high running cost, low treatment efficiency and so one. With the combination of the rural domestic sewage and the biogas slurry, the rural sewage treatment effect is improved, and besides, the biogas energy generated by the system is collected and treated for recycling.

Description

Country sewage comprehensive utilization treatment system
Technical field
The present invention relates to sewage treatment facility, relate in particular to a kind of country sewage comprehensive utilization treatment system.
Background technology
The Rural Water Environment pollution problem is serious day by day, how to select suitable treatment technology particularly important according to rural situation.There is more problem in the present stage country sewage processing:
(1) environmental consciousness falls behind, and sewage discharges arbitrarily, and sewage contains many pathogenic agent, gives an offensive smell, and serious environment pollution influences the surrounding resident physical and mental health;
(2) Infrastructure such as pipeline is incomplete, insufficient funds, and sewage is difficult to focus on;
(3) industrial structure zone particular differences, influenced by rainy season and the water consumption hourly variation factor bigger, cause the sewage water yield, change of water quality bigger;
(4) the country sewage sewage disposal has only comprised sanitary sewage, and the range of definition of sewage is too narrow, has ignored other sewage such as natural pond liquid;
(5) how only independent consideration disposes of sewage, do not consider from energy regeneration utilization, energy-saving and emission-reduction equal angles, the present several treatment processs that generally adopt, as biological treatment+membrane treatment process, catalyzed oxidation+biochemical processing process etc., ubiquitous complex process all, the cost costliness, drawbacks such as working cost height.
Summary of the invention
The purpose of this invention is to provide a kind of country sewage comprehensive utilization treatment system, to promote the country sewage processing horizontal, improve source benefit.
The technical scheme that the present invention adopts for its technical problem of solution is,
Domestic sewage in rural areas by using comprehensive utilization treatment system, include bio anaerobic pond and artificial bio-membrane's wetland, the bio anaerobic pond is communicated with methane-generating pit and water drain, natural pond liquid and the sanitary sewage in the water drain in the methane-generating pit enter in the bio anaerobic pond, the water outlet in bio anaerobic pond is communicated with artificial bio-membrane's wetland, and the sewage after handling in the bio anaerobic pond enters in artificial bio-membrane's wetland;
Particularly, the top in described methane-generating pit and bio anaerobic pond is provided with the collecting methane pipeline, and the collecting methane pipeline is connected to biogas by the marsh gas purifying device and uses equipment; In one embodiment of the invention, described bio anaerobic is provided with barricade in the pond, barricade is separated into two portions with the bio anaerobic pond, the water-in in bio anaerobic pond and water outlet lay respectively at the barricade both sides, this barricade bottom has water hole, near the part of water-in except can carrying out the bio anaerobic degraded, the effect that also has further homogenizing water quality;
Described artificial bio-membrane's wetland includes some wetland monomers, described wetland monomer is set up in parallel, isolate mutually between each wetland monomer, each wetland monomer both sides is equipped with pump well, interconnect between pump well and the wetland, be provided with Link Port and partition walls between the Neighbor Set well, Link Port and partition walls are arranged alternately, and make pump well and wetland monomer form the water stream channel of S shape; In one embodiment, described pump well top is provided with removable cover, and pump well has the function of water distribution and inspection chamber concurrently, in line service, only needs regularly slag thing in the well to be dragged for except getting final product; In one embodiment, the pump well that is in the water stream channel two ends is respectively equipped with water inlet pipe and drain tube.
The invention has the advantages that, this treatment system can effectively solve country sewage and handle problems such as investment height, complex process, the big processing inefficiency of running cost, domestic sewage in rural areas by using is combined with the natural pond liquid phase, when improving the country sewage treatment effect, also the biogas energy collection and treatment that native system produces can be carried out recycling.
Description of drawings
Fig. 1 is the structural representation of the country sewage comprehensive utilization treatment system that proposes of the present invention;
Fig. 2 is the sectional view in bio anaerobic pond;
Fig. 3 is the orthographic plan of artificial bio-membrane's wetland;
Fig. 4 is the sectional view of artificial bio-membrane's wetland.
Embodiment
For technique means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with diagram and specific embodiment, further set forth the present invention.
As shown in Figure 1, the domestic sewage in rural areas by using comprehensive utilization treatment system that the present invention proposes includes bio anaerobic pond 01 and artificial bio-membrane's wetland 02, bio anaerobic pond 01 is communicated with methane-generating pit 03 and water drain, natural pond liquid and the sanitary sewage in the water drain in the methane-generating pit 03 enter in the bio anaerobic pond 01, the water outlet in bio anaerobic pond 01 is communicated with artificial bio-membrane's wetland 02, and the sewage after handling in bio anaerobic pond 01 enters in artificial bio-membrane's wetland 02;
The top in described methane-generating pit 03 and bio anaerobic pond 01 is provided with collecting methane pipeline 04, and collecting methane pipeline 04 is connected to biogas by marsh gas purifying device 05 and uses equipment 06; As shown in Figure 2, in the present embodiment, be provided with barricade 011 in the described bio anaerobic pond 01, barricade 011 is separated into two portions with bio anaerobic pond 01, the water-in in bio anaerobic pond 01 and water outlet lay respectively at barricade 011 both sides, this barricade 011 bottom has water hole, near the part of water-in except can carrying out the bio anaerobic degraded, the effect that also has further homogenizing water quality.
In addition, described artificial bio-membrane's wetland includes some wetland monomers, described wetland monomer is set up in parallel, isolate mutually between each wetland monomer, each wetland monomer both sides is equipped with pump well, interconnects between pump well and the wetland, is provided with Link Port and partition walls between the Neighbor Set well, Link Port and partition walls are arranged alternately, and make pump well and wetland monomer form the water stream channel of S shape; Described pump well top is provided with removable cover, and pump well has the function of water distribution and inspection chamber concurrently, in line service, only needs regularly slag thing in the well to be dragged for except getting final product; The pump well that is in the water stream channel two ends is respectively equipped with water inlet pipe and drain tube;
As Fig. 3, Fig. 4, artificial bio-membrane's wetland in the present embodiment includes the first wetland monomer 11, the second wetland monomer 12 and the 3rd wetland monomer 13, the wetland monomer is set up in parallel, isolate mutually between each wetland monomer, the first wetland monomer, 11 both sides are provided with first pump well 21 and second pump well 22, the second wetland monomer, 12 both sides are provided with the 3rd pump well 23 and the 4th pump well 24, the 3rd wetland monomer 13 both sides are provided with the 5th pump well 25 and the 6th pump well 26, be provided with partition walls between first pump well 21 and the 4th pump well 24, be provided with partition walls between the 3rd pump well 23 and the 6th pump well 26, be provided with Link Port between second pump well 22 and the 3rd pump well 23, be provided with Link Port between the 4th pump well 24 and the 5th pump well 25, Link Port and partition walls are arranged alternately, and make pump well and wetland monomer form the water stream channel of S shape; The pump well top is provided with cover plate 3; First pump well 21 and the 6th pump well 26 that are in the water stream channel two ends are respectively equipped with water inlet pipe 211 and drain tube 261.
Sewage enters first pump well 21 that is arranged in the water stream channel head end by water inlet pipe 211, and sewage flows into the first adjacent wetland monomer 11 of this pump well, flows out from the first wetland monomer, 11 opposite sides then, enters second pump well 22;
Sewage flows into the 3rd adjacent pump well 23 from second pump well 22, and flows into the second wetland monomer 12 from the 3rd pump well 23, flows out from the second wetland monomer 12 then, enters the 4th pump well 24;
Sewage flows into the 5th adjacent pump well 25 from the 4th pump well 24, and flows into the 3rd wetland monomer 13 from the 5th pump well 25, flows out from the 3rd wetland monomer 13 then, enters the 6th pump well 26, discharges from the 6th pump well 26 by drain tube 261 at last.
The country sewage comprehensive utilization treatment system that the present invention proposes is distributed processing system, is all kinds of country sewages such as natural pond liquid and sanitary sewage dynamically to be mixed focus on, and the while therefrom collects one of high efficient energy sources and overlaps water treatment energy regeneration system.
Domestic sewage in rural areas by using is mainly from the lavatory flushing water of farmers', kitchen washing water, shower draining, excrement of animals water etc.Natural pond liquid be organic substance in anaerobic environment, under the condition of certain temperature, humidity, potential of hydrogen, by the microbial fermentation effect, produce the remaining aqueous solution after the methane.Still also have a large amount of pollutents in the liquid of natural pond, and the Pollutant levels height, intractability is big.Yet the water yield of natural pond liquid is often smaller, and is rich in a large amount of biological inoculums.
After natural pond liquid, all kinds of country sewages of sanitary sewage dynamically mix, entering the bio anaerobic pond together handles, when the sanitary sewage that the water yield is bigger has diluted in the liquid of natural pond organic concentration, utilize biological inoculum abundant in the liquid of natural pond to carry out degradation treatment, improved processing efficiency and the speed disposed of sewage in the bio anaerobic pond greatly.Composite waste gravity flow after handle in the bio anaerobic pond enters biological wetland.Waterplant in the wetland has crown_interception to the SS in the sewage.And around root system of plant, at a distance and the farther place then can form aerobic, anoxic, anaerobic environment to some extent, remove pollutents such as COD in the sewage, ammonia nitrogen effectively.Sewage after the processing all can reach direct emission standards, can directly be disposed to the river course or be used for the field to irrigate.
Can produce a large amount of biogas in the methane-generating pit, and the bio anaerobic pond also a spot of biogas can occur, the Chi Ding in two ponds arranges the collecting methane pipeline respectively.Yet, contain in the biogas by 55%~70% methane, 25%~40% carbonic acid gas and a spot of nitrogen sulfide and hydrogen sulfide, need purify, can be for the daily use of resident after through the marsh gas purifying device with the biogas collected.The clearance of native system COD, BOD, TS can reach 85%~90%, and technology is simple, invests lowlyer, can effectively solve a rural environment regulation difficult problem, and the biogas engineering construction is also had important meaning.
This system has following advantage:
1. improve the processing efficiency of country sewage, reduced country sewage processing cost and working cost;
2. simplification technology, simple in structure, be easy to make, easy care, failure rate is low, is convenient to operation;
3. the biogas of Chan Shenging can be used for the resident living energy, marsh gas power generation, and methane boiler and insulation etc., the natural pond slag in the methane-generating pit can be used as fertilizer, and is respond well, is convenient to transportation, storage, use.

Claims (3)

1. domestic sewage in rural areas by using fully utilizes treatment system, it is characterized in that, include bio anaerobic pond and artificial bio-membrane's wetland, the bio anaerobic pond is communicated with methane-generating pit and water drain, natural pond liquid and the sanitary sewage in the water drain in the methane-generating pit enter in the bio anaerobic pond, the water outlet in bio anaerobic pond is communicated with artificial bio-membrane's wetland, and the sewage after handling in the bio anaerobic pond enters in artificial bio-membrane's wetland; The top in described methane-generating pit and bio anaerobic pond is provided with the collecting methane pipeline, and the collecting methane pipeline is connected to biogas by the marsh gas purifying device and uses equipment; Described bio anaerobic is provided with barricade in the pond, and barricade is separated into two portions with the bio anaerobic pond, and the water-in in bio anaerobic pond and water outlet lay respectively at the barricade both sides, and this barricade bottom has water hole; Described artificial bio-membrane's wetland includes some wetland monomers, described wetland monomer is set up in parallel, isolate mutually between each wetland monomer, each wetland monomer both sides is equipped with pump well, interconnect between pump well and the wetland, be provided with Link Port and partition walls between the Neighbor Set well, Link Port and partition walls are arranged alternately, and make pump well and wetland monomer form the water stream channel of S shape.
2. domestic sewage in rural areas by using comprehensive utilization treatment system according to claim 1 is characterized in that described pump well top is provided with removable cover.
3. domestic sewage in rural areas by using comprehensive utilization treatment system according to claim 1 is characterized in that the pump well that is in the water stream channel two ends is respectively equipped with water inlet pipe and drain tube.
CN2012100660360A 2012-03-08 2012-03-08 Treatment system for comprehensive utilization of rural sewage Expired - Fee Related CN102583902B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN102583902B true CN102583902B (en) 2013-09-25

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105036450A (en) * 2015-05-08 2015-11-11 中国电建集团贵阳勘测设计研究院有限公司 Method and device of treating village domestic sewage through three-stage circular-flow-type constructed wetland
CN105174626A (en) * 2015-09-18 2015-12-23 山东大学 Constructed wetland coupled biological reaction tank purification water-gas system
CN110683645A (en) * 2019-11-01 2020-01-14 湖南省农业环境生态研究所 Domestic sewage treatment system and treatment method

Citations (5)

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Publication number Priority date Publication date Assignee Title
CN2541453Y (en) * 2002-04-16 2003-03-26 兰州英格环境工程技术有限公司 Anaerobic filter bed sewage purifying tank
CN101863583A (en) * 2010-04-21 2010-10-20 南昌大学 Technology for treating piggery wastewater by methane tank, biofilm reactor and artificial wetland
CN102153226A (en) * 2010-02-11 2011-08-17 西南科技大学 Integrated ecological treatment method for rural domestic sewage
CN102219340A (en) * 2011-05-15 2011-10-19 谢伟健 Modularized sewage ecological treatment system
CN202610025U (en) * 2012-03-08 2012-12-19 杭州云溪环保科技有限公司 Village sewage comprehensive utilization treating system

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US7470362B2 (en) * 2007-04-13 2008-12-30 Modular Wetland Systems, Inc. In line wetland water treatment system and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2541453Y (en) * 2002-04-16 2003-03-26 兰州英格环境工程技术有限公司 Anaerobic filter bed sewage purifying tank
CN102153226A (en) * 2010-02-11 2011-08-17 西南科技大学 Integrated ecological treatment method for rural domestic sewage
CN101863583A (en) * 2010-04-21 2010-10-20 南昌大学 Technology for treating piggery wastewater by methane tank, biofilm reactor and artificial wetland
CN102219340A (en) * 2011-05-15 2011-10-19 谢伟健 Modularized sewage ecological treatment system
CN202610025U (en) * 2012-03-08 2012-12-19 杭州云溪环保科技有限公司 Village sewage comprehensive utilization treating system

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