CN101693587B - Artificial wetland rural sewage courtyard type landscape treating device capable of denitrifying and dephosphorizing in regions - Google Patents

Artificial wetland rural sewage courtyard type landscape treating device capable of denitrifying and dephosphorizing in regions Download PDF

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Publication number
CN101693587B
CN101693587B CN2009102363884A CN200910236388A CN101693587B CN 101693587 B CN101693587 B CN 101693587B CN 2009102363884 A CN2009102363884 A CN 2009102363884A CN 200910236388 A CN200910236388 A CN 200910236388A CN 101693587 B CN101693587 B CN 101693587B
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nitrogen
region
filled
length
wingdale
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CN101693587A (en
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张列宇
席北斗
熊瑛
张众磊
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Chinese Research Academy of Environmental Sciences
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Chinese Research Academy of Environmental Sciences
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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

An artificial wetland rural sewage courtyard type landscape treating device capable of denitrifying and dephosphorizing in regions mainly comprises a water distributing region, a nitrogen oxidizing region, a nitrogen reducing region and a phosphor removing region in order, wherein the water distributing region is full of limestone, the nitrogen oxidizing region is filled with combined filler of zeolite and limestone, the nitrogen reducing region is filled with limestone, and the phosphor removing region is full of blast-furnace slag. The device can purify nitrogen and phosphor in regions, has high purification efficiency, stable water outlet quality, small occupied area, less investment, simple operating management and maintenance and lower operating maintenance cost, can be widely applied in rural sewage treatment with high nitrogen and phosphor, can be flexibly constructed, is applied in courtyards in rural areas, and can improve the landscape of the courtyards in rural areas whiling treating sewage.

Description

The artificial wetland rural sewage courtyard type landscape treating device of subregion denitrogenation dephosphorizing
Technical field
The invention belongs to technical field of sewage, relate to particularly a kind of subregion denitrogenation dephosphorizing compounded mix artificial wetland rural courtyard-style sanitary sewage landscape treating device.
Background technology
Point out in the handbook that the wetland that Environmental Protection Agency 1993 publishes is disposed of sewage, horizontal subsurface flow wetland is to organism (BOD 5) and suspended solid the effect of good place to go is arranged, can reach three grades of water outlet requirements.But the clearance to nitrogen is very low.In research in fish and water pond, Hangzhou Botanical Garden Yuquan Taoist Temple, wetland is only 12% to the clearance of nitrogen.Shatian, Shenzhen artificial swamp is mainly for the treatment of municipal wastewater, and the average removal rate of its nitrogen is 44.93%, and less with seasonal variation.The natural wetland of the HiddenRiver Corporate Office park in Florida, US Tampa city is processed the system of urban rainwater, and the average removal rate of TN is reached 46%.The artificial swamp investigation of 268, Europe is found NH 3The average removal rate of-N is only that the average removal rate of 30%, TN is 39.6%.In south China area, the filler that adopts due to wetland mostly is Ca, Fe, filler that Al, Mg are lower, so the removal efficient of phosphorus is lower.Many scholars and engineering staff have to strengthen the area that relates to of wetland in order to improve the removal efficient of nitrogen and phosphorus, to guarantee the removal efficient of nitrogen.So not only waste the soil, but also limited the large-scale promotion of Artificial Wetland Techniques.
In sum, known Traditional Man wetland is that nitrogen phosphorus removes simultaneously, causes wetland back segment phosphorus source wretched insufficiency, and denitrifying microflora is lower, and the denitrification of back segment microorganism can large senior general reduce.
Summary of the invention
The object of the present invention is to provide a kind of artificial wetland rural sewage courtyard type landscape treating device of subregion denitrogenation dephosphorizing, the purification efficiency of this treatment unit is high, stable effluent quality, floor space are little, investment face is economized, and Operation Administration and Maintenance is simple, operation and maintenance cost is low.
For achieving the above object, the constructed wetland domestic sewage landscape treating device of subregion denitrogenation dephosphorizing provided by the invention is mainly removed the district by cloth pool, nitrogen oxidation zone, nitrogen reduction zone and phosphorus and is formed in order; Wherein:
The in-built Wingdale that is filled with in cloth pool;
Be filled with the combined stuffing of zeolite and Wingdale in the nitrogen oxidation zone;
The nitrogen reduction zone is filled with Wingdale; And
Phosphorus is removed the district and is filled with blast furnace slag.
In said apparatus, the optimum condition of each section is:
The particle diameter of the Wingdale in the cloth pool is 30-60mm, and the length in cloth pool is 10% of whole treatment unit total length.
In the nitrogen oxidation zone, the zeolite of filling and the weight ratio of Wingdale are 1: 1, and in the nitrogen oxidation zone, the zeolite of filling and the particle diameter of Wingdale are 15-30mm, and the length of nitrogen oxidation zone is 20% of whole treatment unit total length.
In the nitrogen reduction zone, the limestone particle size of filling is 15-30mm, and the length of nitrogen reduction zone is 50% of whole treatment unit total length.
The length that phosphorus is removed the district is 20% of whole treatment unit total length.
The present invention is by effective combination of the different fillers of each section, realized artificial swamp subregion denitrogenation dephosphorizing, guaranteed the abundance in the back segment phosphorus source of wetland, improved the nitric efficiency of artificial swamp, the present invention simultaneously is owing to having the characteristics such as installation, area flexible design, can be applicable to the garden in rural area, and kind is implanted with the landscape plant Canna generalis Bailey, Spiked Loosestrife reaches power flower etc. again.
Description of drawings
Fig. 1 is treatment unit structural representation of the present invention.
Embodiment
See also Fig. 1, the artificial wetland rural sewage courtyard type landscape treating device of subregion denitrogenation dephosphorizing of the present invention is to remove the district by cloth pool, nitrogen oxidation zone, nitrogen reduction zone and phosphorus to consist of one by different filling materials in order successively.
High-order inlet flume 1 connects cloth pool 2 by pipeline, and the sewage transport that wish is processed arrives cloth pool 2; Be filled with the Wingdale that particle diameter is 30-60mm in cloth pool 2, the length in cloth pool 2 is 10% of whole treatment unit total length.
Be to be filled with zeolite and Wingdale at 1: 1 by weight in nitrogen oxidation zone 3, the particle diameter of zeolite and Wingdale is 15-30mm, and the length of nitrogen oxidation zone is 20% of whole treatment unit total length.
Be filled with Wingdale in nitrogen reduction zone 4, its particle diameter is 15-30mm, and the length of nitrogen reduction zone is 50% of whole treatment unit total length.
The filler that phosphorus is removed district 5 is the blast furnace slag of particle diameter 30-60mm, and the length that phosphorus is removed the district is 20% of whole treatment unit total length.
The present invention has realized the subregion denitrogenation dephosphorizing of artificial swamp by the change of filler in the difference in functionality district.The effective combination of the present invention by filler realized artificial swamp subregion denitrogenation dephosphorizing, guaranteed the abundance in the back segment phosphorus source of wetland, improved the nitric efficiency of artificial swamp.Simultaneously native system due to install, the characteristics such as area flexible design, can be applicable to the garden in rural area.System's kind is implanted with the landscape plant Canna generalis Bailey, Spiked Loosestrife reaches power flower etc. again.
In sum, the treatment unit of the subregion denitrogenation dephosphorizing that the present invention adopts can change the processing efficiency that greatly improves wetland by the subregion in wetland by pollutent, has simultaneously the effect of landscape.
It is below an example for the treatment of unit of the present invention.
The present invention build in the garden in rural area, and the amount of inlet water of garden every day is 31.2m 3/ d.
The area for the treatment of unit is 31.2 * 20=624m 2Wetland is long is 42m, and wide is 14m.Clay compacting antiseepage is taked in the wetland bottom, and the pond body structure is brick mix structure.Front 1/3 section of wetland kind of plant is mainly planted power flower, rear 2/3 section main plantation Canna generalis Bailey again.
The length in cloth pool is 42 * 10%=4.2m.The length of nitrogen oxidation zone is 42 * 20%=8.4m.The length of nitrogen reduction zone is 42 * 50%=21m.The length that phosphorus is removed district's wetland is 42 * 20%=8.4m.Wetland bed is 0.8m deeply.
Waste water is dispersed in wetland through the cloth pool, and ammonia nitrogen is oxidized to nitrite nitrogen or nitric nitrogen through ammonia oxidation, is reduced to N through the nitrogen reduction zone 2O or nitrogen.Waste water after treatment, 80% nitrogen and 95% dissolved phosphorus are removed.This system has not only purified water quality, has also beautified the view of Rural Yard.

Claims (1)

1. the artificial wetland rural sewage courtyard type landscape treating device of a subregion denitrogenation dephosphorizing is mainly removed the district by cloth pool, nitrogen oxidation zone, nitrogen reduction zone and phosphorus and is formed in order; Wherein:
The in-built Wingdale that is filled with in cloth pool, the length in cloth pool is 10% of whole treatment unit total length; The particle diameter of the Wingdale in the cloth pool is 30-60mm.
Be filled with the combined stuffing of zeolite and Wingdale in the nitrogen oxidation zone, the length of nitrogen oxidation zone is 20% of whole treatment unit total length, and wherein, in the nitrogen oxidation zone, the zeolite of filling and the weight ratio of Wingdale are 1: 1, and particle diameter is 15-30mm;
The nitrogen reduction zone is filled with Wingdale, and the length of nitrogen reduction zone is 50% of whole treatment unit total length;
And phosphorus removes the district and is filled with blast furnace slag, and the length that phosphorus is removed the district is 20% of whole treatment unit total length;
On this treatment unit, kind is implanted with the landscape plant Canna generalis Bailey, Spiked Loosestrife reaches the power flower again.
CN2009102363884A 2009-10-21 2009-10-21 Artificial wetland rural sewage courtyard type landscape treating device capable of denitrifying and dephosphorizing in regions Expired - Fee Related CN101693587B (en)

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CN101693587B true CN101693587B (en) 2013-05-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103274530A (en) * 2013-06-19 2013-09-04 中国环境科学研究院 Zonal vertical current artificial wetland system with reinforced denitrification function

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1446759A (en) * 2003-04-18 2003-10-08 清华大学 Compound wetland ecology method and system for controlling pollution of nitrogen and phosphor
CN1475448A (en) * 2003-07-31 2004-02-18 清华大学 Fortified artificial wetlan sewage disposal method and system
CN1583588A (en) * 2004-06-03 2005-02-23 上海交通大学 Waste water cryogenic treating apparatus for removing object pollutant by horizontal section
CN1597562A (en) * 2003-09-16 2005-03-23 中国农业大学 System and method for treating of sewage by combined artificial wet land

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1446759A (en) * 2003-04-18 2003-10-08 清华大学 Compound wetland ecology method and system for controlling pollution of nitrogen and phosphor
CN1475448A (en) * 2003-07-31 2004-02-18 清华大学 Fortified artificial wetlan sewage disposal method and system
CN1597562A (en) * 2003-09-16 2005-03-23 中国农业大学 System and method for treating of sewage by combined artificial wet land
CN1583588A (en) * 2004-06-03 2005-02-23 上海交通大学 Waste water cryogenic treating apparatus for removing object pollutant by horizontal section

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2002-239572A 2002.08.27

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103274530A (en) * 2013-06-19 2013-09-04 中国环境科学研究院 Zonal vertical current artificial wetland system with reinforced denitrification function
CN103274530B (en) * 2013-06-19 2014-04-09 中国环境科学研究院 Zonal vertical current artificial wetland system with reinforced denitrification function

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