CN1315743C - Integrated anaerobic-wetland wastewater treatment apparatus and method therefor - Google Patents

Integrated anaerobic-wetland wastewater treatment apparatus and method therefor Download PDF

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Publication number
CN1315743C
CN1315743C CNB2003101040633A CN200310104063A CN1315743C CN 1315743 C CN1315743 C CN 1315743C CN B2003101040633 A CNB2003101040633 A CN B2003101040633A CN 200310104063 A CN200310104063 A CN 200310104063A CN 1315743 C CN1315743 C CN 1315743C
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CN
China
Prior art keywords
anaerobic
treatment
wastewater
waste water
filter
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CNB2003101040633A
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Chinese (zh)
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CN1631817A (en
Inventor
邓良伟
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农业部沼气科学研究所
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Priority to CNB2003101040633A priority Critical patent/CN1315743C/en
Publication of CN1631817A publication Critical patent/CN1631817A/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 present invention belongs to the field of wastewater treatment, which is mainly used for treating domestic wastewater, livestock and poultry culturing wastewater and industrial wastewater. The present invention comprises a buried anaerobic treatment system and an artificial wetland treatment system positioned on the buried anaerobic treatment system. The present invention mainly comprises: wastewater passing through grills enters an anaerobic digesting pond through water distributing holes of a water entering room and then enters an anaerobic filtering pond in which elastic fillers or soft fillers are contained; afterwards, the wastewater enters a facultative filtering pond, and the wastewater treated by the facultative filtering pond is treated by entering artificial wetland through overflow holes in the upper part of the facultative filtering pond. Generated marsh gas is stored in the upper parts of the anaerobic digesting pond and the anaerobic filtering pond, and the artificial wetland lies in a wetting and drying alternative state in the alternative processes of generating the marsh gas and using the marsh gas, which generates a nitrifying-denitrifying effect. The device and the method for wastewater treatment of the present invention have obvious advantages of no energy consumption, low operational management cost, little sludge, convenient operational management, no need of management by special personnel, easy maintenance, recovery of energy sources-marsh gas and no need of independent marsh gas storing devices.

Description

Integral anaerobic-wetland wastewater treatment equipment and method
Technical field the invention belongs to the environmental engineering field of waste water treatment, is mainly used in sanitary sewage disposal, and livestock breeding wastewater is handled and Industrial Wastewater Treatment.
Background technology is summarized, and wastewater treatment has physical treatment process, method of chemical treatment, materialization treatment process and biological treatment.Physical treatment process only is used to remove thick solid matter, is mainly used in pre-treatment.Its excess-three kind treatment process is used to remove solvability and colloidality organism.Wherein biological treatment is the most cost-effective method, is widely used in the processing of industrial organic waste water, town domestic sewage.Biological treatment has anaerobic treatment, aerobic treatment and processing etc. naturally again, has his own strong points, and anaerobic treatment is directly handled high concentrated organic wastewater, and energy consumption is low, but the outlet water organic substance concentration height; Aerobic treatment treat effluent organic concentration is low, but the energy consumption height; Nature treat effluent concentration is low, particularly good to nitrogen phosphorus removal effect, but takes up an area of big.The present invention is based on anaerobic treatment and the advantage of handling naturally, evade nature and handle the many shortcomings of occupation of land, develop a kind of incorporate anaerobic treatment-artificial swamp waste water treatment process.
Summary of the invention the present invention is built in system for anaerobic treatment underground, builds artificial swamp on system for anaerobic treatment, makes buried system for anaerobic treatment and artificial wet land treating system become an integral body.Waste water is through entering buried system for anaerobic treatment behind the grid, handles the back through buried system for anaerobic treatment and flows automatically and enter the artificial swamp that is positioned at the system for anaerobic treatment top and further handle.System for anaerobic treatment comprises grid, baffling type anaerobic digester, baffling type anaerobic filter tank and the facultative filter tank of deflector type.The biogas that produces is stored in the top of anaerobic digester and anaerobic filter.When producing biogas, biogas presses anaerobic digester, anaerobic filter waste water toward water pressure house, facultative filter tank and artificial swamp; When using biogas, the waste water of water pressure house, facultative filter tank and artificial swamp flows in anaerobic digester, the anaerobic filter.In the alternation procedure that produces, uses at biogas, artificial swamp is in the alternation of wetting and drying state, has nitrated-denitrification effect.Waste water treatment process of the present invention has the following advantages:
A can handle discharging nearby nearby;
B does not consume energy, operational and administrative expenses is low;
C mud is few;
The d operational management is convenient, does not need the personal management, is easy to safeguard;
E can reclaim the energy-biogas;
F does not need to build separately the biogas gas storage device again.
Appended drawings is integral anaerobic-wetland waste water treatment process synoptic diagram, and the wastewater treatment step is as follows:
A waste water is at first through solid matters such as the thick residues of grid 1 interception, but grille well double as settling pit.
B enters anaerobic digester 3 through the waste water behind the grid by 2 water distributing pore between water inlet, also is water pressure house between water inlet.The effect of anaerobic digester is granular inorganic, organic substance in the waste water and parasitic ovum precipitate and separate, remove most suspended substances, reduce the concentration of suspension enter anaerobic filter, sedimentary solid-state organism and partly soluble and colloidal organism are sent out the anaerobism ferment at anaerobic digester and are produced biogas.
The waste water that c handles through anaerobic digester enters anaerobic filter 4, and elastic filler or wadding 5 attached microbials are set in the anaerobic filter, and its effect is to utilize the microbiological deterioration with suspending of adhering to remove most of solvability organic pollutant, and produces biogas.
The waste water that d handles through anaerobic filter enters facultative filter tank 6, establishes filtrate 7 in the facultative filter tank, and filtrate can adopt polyamine fat vacuole foam, and the ventilation space is left in facultative filter tank, and function is to hold back solid matter, and the oxygen bacterial degradation of holding concurrently is removed organic pollutant.
Anaerobic digester, anaerobic filter all seal, and inspection manhole, removable cover and biogas conduit 8 are set.Open the manhole removable cover, but pump drainage mud and anaerobic digester, anaerobic filter overhauled and safeguard.
The waste water that e handles through facultative filter tank enters artificial swamp 10 by the overflow weir 9 above the facultative filter tank.In artificial swamp, to spread Wingdale or the carbon of a bed thickness 30~60cm particle diameter 0.5~3cm and spend 11, the waste water water level is taken planting aquatic plants such as water peanut 12 etc. just to flood Wingdale or the carbon flower is advisable at Wingdale or carbon.Build one the wetland that is similar to the marsh, when eutrophic wastewater flows through artificial swamp, filter through Wingdale, carbon flower, the multiple microbial activities of plant rhizosphere, pollution substance wherein and nutritive substance are absorbed by system or decompose, realize the closed cycle of nutritive substance, water quality is purified.
According to the water outlet requirement, the waste water of going up after artificial swamp is handled through the system for anaerobic treatment top can adopt oxidation pond or artificial swamp further to handle again.

Claims (5)

1 one kinds of technologies that are used for wastewater treatment, by buried system for anaerobic treatment with artificial wet land treating system is integrated forms, be characterised in that: waste water is through entering buried system for anaerobic treatment behind the grid, handles the back through described buried system for anaerobic treatment and flows automatically and enter the artificial swamp that is positioned at the system for anaerobic treatment top and further handle.
2 waste water treatment process according to claim 1 is characterized in that: buried system for anaerobic treatment comprises anaerobic digester, anaerobic filter, water pressure house and double oxygen filter tank, wherein anaerobic digester, anaerobic filter sealing; Water pressure house and double oxygen filter tank communicate with atmosphere.
3 waste water treatment process according to claim 1 is characterized in that: artificial swamp is positioned at the system for anaerobic treatment top, and artificial swamp is a filler with Wingdale, carbon slag, and planting aquatic plants.
4 waste water treatment process according to claim 1, it is characterized in that: the biogas of generation is stored in the top of anaerobic digester and anaerobic filter, when producing biogas, biogas presses waste water in anaerobic digester, the anaerobic filter toward water pressure house, facultative filter tank and artificial swamp; When using biogas, the waste water of water pressure house, facultative filter tank and artificial swamp flows into anaerobic digester, anaerobic filter.
5 waste water treatment process according to claim 4 is characterized in that: in the alternation procedure that produces, uses at biogas, artificial swamp is in the alternation of wetting and drying state, has nitrated-denitrification effect.
CNB2003101040633A 2003-12-22 2003-12-22 Integrated anaerobic-wetland wastewater treatment apparatus and method therefor CN1315743C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2003101040633A CN1315743C (en) 2003-12-22 2003-12-22 Integrated anaerobic-wetland wastewater treatment apparatus and method therefor

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Application Number Priority Date Filing Date Title
CNB2003101040633A CN1315743C (en) 2003-12-22 2003-12-22 Integrated anaerobic-wetland wastewater treatment apparatus and method therefor

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CN1631817A CN1631817A (en) 2005-06-29
CN1315743C true CN1315743C (en) 2007-05-16

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Families Citing this family (17)

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CN100336745C (en) * 2005-12-19 2007-09-12 东南大学 Anoxia, drop aeration, artificial wetland combination type small-scale sewage dephosphorizing and denitrifying method
CN100345779C (en) * 2006-06-22 2007-10-31 河北农业大学 Membrane ecologic reactor
CN101486501B (en) * 2008-01-17 2011-05-11 金波 Hogpen diatomite biological film sewage treatment process
CN101407360B (en) * 2008-08-23 2010-11-10 浙江海洋学院 Method for processing waste water of circulating marine culture by using artificial wet land
CN101439907B (en) * 2008-12-25 2011-12-21 大连水产学院 Denitrification purification method for marine culture wastewater
CN101492203B (en) * 2009-03-12 2011-04-06 农业部环境保护科研监测所 Ecological pond simulating system for cultivation of advanced waste treatment
CN101575156B (en) * 2009-06-03 2011-12-21 南京工业大学 Artificial wetland system with strengthened denitrification and dephosphorization
CN101708897B (en) * 2009-11-26 2011-04-13 同济大学 Water treatment technology of inclined plane undercurrent artificial wetland
CN101805093A (en) * 2010-03-10 2010-08-18 中国科学院生态环境研究中心 Scale advanced treatment method for livestock and poultry farming waste water
CN101811807B (en) * 2010-05-11 2011-10-12 施怀荣 Black and odorous and eutrophication water body biological and ecological remediation and treatment process
CN104176880B (en) * 2014-08-04 2016-08-24 华北水利水电大学 Plural serial stage modularity domestic sewage processing system and domestic sewage processing method
CN104649520A (en) * 2015-02-15 2015-05-27 华南农业大学 Acid mine wastewater treatment system and method
CN104891653B (en) * 2015-05-27 2018-06-01 福建洋屿环保科技股份有限公司 The processing method and processing system of a kind of landfill leachate
CN105541052A (en) * 2016-02-23 2016-05-04 常州大学 Treatment canal for livestock and poultry breeding wastewater
CN106865758A (en) * 2017-02-28 2017-06-20 广东维清环境工程有限公司 A kind of high load capacity simultaneous denitrification limits oxygen type membrane bioreactor sewage water treatment method
CN106957131A (en) * 2017-04-06 2017-07-18 舟山市润润环保能源科技有限公司 A kind of sewage purifier
CN109250817A (en) * 2018-09-29 2019-01-22 成都市农林科学院 Sanitary sewage purifying biogas generating pit

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Publication number Priority date Publication date Assignee Title
CN1448350A (en) * 2003-05-15 2003-10-15 周大成 Method and device for biological treatment and regenerative utilization of urban night soil and domestic waste water

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1448350A (en) * 2003-05-15 2003-10-15 周大成 Method and device for biological treatment and regenerative utilization of urban night soil and domestic waste water

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