CN103979681B - Nitrification/denitrification integrated rural domestic sewage treatment system - Google Patents
Nitrification/denitrification integrated rural domestic sewage treatment system Download PDFInfo
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- CN103979681B CN103979681B CN201410132372.XA CN201410132372A CN103979681B CN 103979681 B CN103979681 B CN 103979681B CN 201410132372 A CN201410132372 A CN 201410132372A CN 103979681 B CN103979681 B CN 103979681B
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- nitrated
- district
- aerobic nitrification
- packing layer
- denitrification
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- 239000010865 sewage Substances 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000012856 packing Methods 0.000 claims description 32
- 238000012545 processing Methods 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 239000002351 wastewater Substances 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 3
- 239000011574 phosphorus Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to the technical field of rural domestic sewage treatment, and concretely relates to a rural apparatus having the advantages of decentralized sewage treatment, efficient nitrogen and phosphorus removal, energy saving and small occupied area. The apparatus includes an equalizing tank and a nitrification/denitrification combined device, a grating is arranged at the front side in the equalizing tank, a pipeline is arranged at the rear side near the bottom of the equalizing tank for connection with a water pump, wastewater is lifted by the water pump, enters an anoxic segment, and then flows into an aerobic segment, and water discharged after the above treatment meets standards. The above system has the advantages of nitrogen and phosphorus removal process, high automation degree, good discharged water quality and small occupied area, and provides a new domestic sewage treatment technology for rural areas in China.
Description
Technical field
The invention belongs to rural domestic sewage treatment field, relate to a kind of domestic sewage in rural areas anoxic denitrification/aerobic nitrification integrated processing system.
Background technology
Rural areas is generally away from urban sewage pipe network. and resident is sparsely populated, and sanitary sewage quantity discharged is few, and majority directly enters rivers and lakes without any process.It is the important factor causing Rural Water Environment pollution and lake eutrophication.In recent years along with the construction of new socialist countryside. building of Chinese rural comfortable house is risen, and it is perfect that the network of drains in the good rural area of part economic condition obtains to a certain degree. and this creates good condition for focusing on of domestic sewage in rural areas.But domestic sewage in rural areas water quality, the water yield to compare city domestic sewage fluctuation larger, in sewage, pollutant component also has bigger difference with municipal effluent, add the reason of the aspect such as economy and technology. determine domestic sewage in rural areas and centralized treatment of urban sewage pattern should not be adopted to process, therefore development investment is few, processing efficiency is high, energy consumption is low, the sewage treatment process in the applicable vast rural area of convenient management becomes Rural Areas at Present sanitary sewage disposal problem demanding prompt solution.
Existing technology for treating domestic sewage in rural area.As land treatment system, artificial marsh sewage treatment system, biomembrane oxidizing tank, ecological pond Sewage treatment systems, soil filtration Sewage treatment systems, there is the problems such as nitrogen phosphorus ligands efficiency is low, winter operation weak effect in the technology such as anaerobic biogas generating pit sewage disposal, has had a strong impact on rural environment renovating effect.
The rural domestic sewage treatment system of prior art generally also comprises equalizing tank and nitrated/anti-nitration reaction device, but nitrated/anti-nitration reaction device is generally split type, two housings be set up in parallel are had to form, connected by water pump conveying between housing, and the ventilation in its aerobic nitrification device generally adopts driven fan, energy consumption is higher, if but adopt no-power air blower due to split type insufficient height, good aerodynamic force stream cannot be formed, no-power air blower cannot effectively run, affect drafting efficiency, have much room for improvement.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of effective reduction energy consumption, improve sewage treating efficiency, floor space little nitrated/denitrification integrated rural domestic sewage processing system.
The present invention is for solving the problems of the technologies described above, provide following technical scheme: nitrated/denitrification integrated rural domestic sewage processing system, comprise equalizing tank, and nitrated/denitrification combination unit, in described equalizing tank, front side arranges grid, be provided with pipeline at the bottom of the nearly pond of rear side and connect lift pump, it is characterized in that nitrated/denitrification combination unit comprises housing, housing is divided into upper and lower two reaction zones, top is anoxic denitrification district, bottom is aerobic nitrification zone, described anoxic denitrification district comprises nitrated packing layer, tank is overflowed above nitrated packing layer, Unpowered ventilation machine, aerobic nitrification district is stretched in bottom, housing tip is stretched out and the vent-pipe be connected with Unpowered ventilation machine and be arranged at the water inlet pipe overflowed in tank in upper end, described water inlet pipe stretches into above aerobic nitrification district through nitrated packing layer and is connected with shower, described aerobic nitrification district comprises aerobic nitrification district packing layer, below aerobic nitrification district packing layer, housing offers blast inlet, described lift pump be provided with two pipelines respectively with nitrated packing layer bottom, connect and compose water inlet pipe and return line bottom aerobic nitrification district, described aerobic nitrification district nearly bottom housing also offers water shoot and shore pipe.
As preferably, described body height is at least 3.5 meters.Due to of the present invention nitrated/denitrification combination unit is anoxic denitrification district, aerobic nitrification district combines superposition up and down, effectively improve the height of equipment, do not increase cost of manufacture again while device height is increased, thus effectively ensure that effective operation of no-power air blower.
As preferably, anoxic denitrification district, top, aerobic nitrification district, bottom is provided with observation manhole.
As preferably, described housing tip is provided with vapor pipe.
As preferably, aerobic nitrification district packing layer is set at least one deck.
As preferably, aerobic nitrification district packing layer is set to upper, middle and lower three floor, between adjacent packing layer, housing all offers blast inlet.Described vent-pipe is the pipeline that three sections of calibers diminish piecemeal, and the socket mutually of three's head and the tail, is each passed through nitrated packing layer and upper, middle aerobic nitrification district packing layer.
Principle of work of the present invention is: domestic sewage in rural areas is removed after the floating matter in waste water through grid and entered equalizing tank, after the dirty Organic substance in water of preliminary removal, utilize lift pump by sewage and after nitrated sewage lifting to anoxic denitrification district, organism in microorganism removal waste water on anoxic ammonium oxidation district filler and ammonia nitrogen, the water outlet of anoxic denitrification district enters anoxic denitrification section and overflows tank and be evenly sprayed on aerobic nitrification district filler by aerobic nitrification district shower, by aerobic nitrification district Unpowered ventilation machine and the aerobic nitrification district further organics removal of blast inlet oxygen supply effect and ammonia nitrogen, waste water part after process is refluxed into equalizing tank by return line.Process up to standard after waste water by water shoot qualified discharge.
Beneficial effect of the present invention: anoxic denitrification district and aerobic nitrification zone are set to one by this system, can remove the organism in sanitary sewage, total nitrogen and total phosphorus, ensures standard water discharge discharge; This system architecture is simple, can be arranged in room by main treatment unit, use under being suitable for cold low temperature, stable, and floor space is fewer simultaneously; This system operation cost is low, maintenance aspect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is nitrated in Fig. 1/denitrification combination unit structural representation.
Fig. 3 is the structural representation of embodiment 2.
Fig. 4 is nitrated in Fig. 3/denitrification combination unit structural representation.
Embodiment
Embodiment 1: nitrated/denitrification integrated rural domestic sewage processing system, comprise equalizing tank 001, and nitrated/denitrification combination unit 002, in described equalizing tank 001, front side arranges grid 011, be provided with pipeline at the bottom of the nearly pond of rear side and connect lift pump 003, nitrated/denitrification combination unit 002 comprises housing 021, housing 021 is divided into upper and lower two reaction zones, top is anoxic denitrification district 022, bottom is aerobic nitrification zone 023, described anoxic denitrification district 022 comprises nitrated packing layer 221, tank 222 is overflowed above nitrated packing layer 221, Unpowered ventilation machine 223, aerobic nitrification district 023 is stretched in bottom, housing 021 top is stretched out and the vent-pipe 224 be connected with Unpowered ventilation machine 223 and be arranged at the water inlet pipe 225 overflowed in tank 222 in upper end, described water inlet pipe 225 stretches into above aerobic nitrification district 023 through nitrated packing layer 221 and is connected with shower 226, described aerobic nitrification district 023 comprises aerobic nitrification district, middle part packing layer 231, below aerobic nitrification district packing layer 231, housing 021 offers blast inlet 232, described lift pump 003 be provided with two pipelines respectively with nitrated packing layer 221 bottom, connect and compose water inlet pipe 004 and return line 005 bottom aerobic nitrification district 023, nearly bottom, described aerobic nitrification district 023 housing 021 also offers water shoot 006 and shore pipe 007.Described housing 021 is highly at least 10 meters.Anoxic denitrification district, top 022, aerobic nitrification district, bottom 023 is provided with observes manhole 008.Described housing 021 top is provided with vapor pipe 009.
Embodiment 2: with reference to embodiment 1, aerobic nitrification district packing layer 231 is set to upper, middle and lower three floor (231a, 231b, 231c), and adjacent packing layer 231 housings 021 all offer blast inlet 231.Described vent-pipe 224 is the pipeline that three sections of calibers diminish piecemeal, and the socket mutually of three's head and the tail, is each passed through nitrated packing layer 221 and upper, middle aerobic nitrification district packing layer (231a, 231b).
Nitrated/integrated device of denitrification combination unit 002, can use the material such as stainless steel, carbon steel are anticorrosion, glass reinforced plastic to make, easy to make, cost is low, corrosion-resistant, long service life.This occupation area of equipment is little, is convenient to install, and dispersibling is built, and is applicable to rural domestic sewage treatment.
This anoxic denitrification/aerobic nitrification integrated rural domestic sewage processing system is utilized to sanitary sewage disposal process to be: sanitary sewage is removed after the suspended substance in waste water from flowing in equalizing tank through grid, chain with lifting water pump by tank level control system, when high liquid level, water pump starts automatically, by sewage lifting in anoxic denitrification district, the microorganism that the organism in sanitary sewage and nitric nitrogen are attached on anoxic denitrification district filler retains, adsorbs, decomposes; Then waste water gravity flow enters aerobic nitrification district, is decomposed by organism, Ammonia Nitrification in aerobic nitrification district.Backflow denitrification is carried out in part water outlet, and base plate is provided with shore pipe, by microorganism on the filler of nitrification zone naturally come off carry out spoil disposal while reach the effect of dephosphorization.
Claims (7)
1. nitrated/denitrification integrated rural domestic sewage processing system, comprise equalizing tank, and nitrated/denitrification combination unit, in described equalizing tank, front side arranges grid, be provided with pipeline at the bottom of the nearly pond of rear side and connect lift pump, it is characterized in that nitrated/denitrification combination unit comprises housing, housing is divided into upper and lower two reaction zones, top is anoxic denitrification district, bottom is aerobic nitrification zone, described anoxic denitrification district comprises nitrated packing layer, tank is overflowed above nitrated packing layer, Unpowered ventilation machine, aerobic nitrification district is stretched in bottom, housing tip is stretched out and the vent-pipe be connected with Unpowered ventilation machine and be arranged at the water inlet pipe overflowed in tank in upper end, described water inlet pipe stretches into above aerobic nitrification district through nitrated packing layer and is connected with shower, described aerobic nitrification district comprises aerobic nitrification district packing layer, below aerobic nitrification district packing layer, housing offers blast inlet, described lift pump be provided with two pipelines respectively with nitrated packing layer bottom, connect and compose water inlet pipe and return line bottom aerobic nitrification district, described aerobic nitrification district nearly bottom housing also offers water shoot and shore pipe.
2. according to claim 1 nitrated/denitrification integrated rural domestic sewage processing system, it is characterized in that described body height is at least 3.5 meters.
3. according to claim 1 nitrated/denitrification integrated rural domestic sewage processing system, it is characterized in that anoxic denitrification district, top, aerobic nitrification district, bottom is provided with observation manhole.
4. according to claim 1 nitrated/denitrification integrated rural domestic sewage processing system, it is characterized in that described housing tip is provided with vapor pipe.
5. according to claim 1 nitrated/denitrification integrated rural domestic sewage processing system, it is characterized in that aerobic nitrification district packing layer is set at least one deck.
6. according to claim 5 nitrated/denitrification integrated rural domestic sewage processing system, it is characterized in that aerobic nitrification district packing layer is set to upper, middle and lower three floor, between adjacent packing layer, housing all offer blast inlet.
7. according to claim 6 nitrated/denitrification integrated rural domestic sewage processing system, it is characterized in that described vent-pipe is the pipeline that three sections of calibers diminish piecemeal, the socket mutually of three's head and the tail, is each passed through nitrated packing layer and upper, middle aerobic nitrification district packing layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410132372.XA CN103979681B (en) | 2014-04-03 | 2014-04-03 | Nitrification/denitrification integrated rural domestic sewage treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410132372.XA CN103979681B (en) | 2014-04-03 | 2014-04-03 | Nitrification/denitrification integrated rural domestic sewage treatment system |
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| CN103979681A CN103979681A (en) | 2014-08-13 |
| CN103979681B true CN103979681B (en) | 2015-06-17 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640275A (en) * | 2018-04-12 | 2018-10-12 | 南宁绿智环保科技有限公司 | A dual-cycle short-path nitrification and denitrification reactor and its working method |
| CN109354158A (en) * | 2018-11-20 | 2019-02-19 | 上海择希环保工程有限公司 | Bio-trickling filter with denitrification functions |
| CN110451662A (en) * | 2019-09-12 | 2019-11-15 | 哈尔滨工业大学 | A wind cap driven aerobic reaction sewage treatment device and method |
| CN111018286A (en) * | 2019-12-27 | 2020-04-17 | 湖南军信环保股份有限公司 | Device and method for denitrifying anaerobic sludge digestion liquid |
| CN112174321B (en) * | 2020-09-25 | 2021-06-29 | 江苏南大华兴环保科技股份公司 | Upflow denitrification reactor applied to industrial nitrogen-containing tail water treatment |
| CN114873712B (en) * | 2022-04-22 | 2023-06-23 | 东南大学 | A kind of anoxic pond and its sewage treatment system |
| CN118026394A (en) * | 2024-03-25 | 2024-05-14 | 四川文理学院 | A non-powered rural domestic sewage treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102001802A (en) * | 2010-12-31 | 2011-04-06 | 上海交通大学 | Nitrification and denitrification combined integral biological filter |
| KR20130016769A (en) * | 2011-08-09 | 2013-02-19 | (주) 영동엔지니어링 | The advanced treatment apparatus equipped submersible pump for removal of nitrogen and phosphorus in sewage |
| CN102963981A (en) * | 2012-10-11 | 2013-03-13 | 北京工业大学 | Method for deep denitrification of integrated biological aerated filter |
| CN103058372A (en) * | 2013-01-02 | 2013-04-24 | 北京工业大学 | Down-flow integrated nitrification and denitrification aeration biological filtering device and method |
| CN203781915U (en) * | 2014-04-03 | 2014-08-20 | 江苏蓝晨环保科技有限公司 | Nitrification and denitrification integrated rural domestic sewage treatment system |
-
2014
- 2014-04-03 CN CN201410132372.XA patent/CN103979681B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001802A (en) * | 2010-12-31 | 2011-04-06 | 上海交通大学 | Nitrification and denitrification combined integral biological filter |
| KR20130016769A (en) * | 2011-08-09 | 2013-02-19 | (주) 영동엔지니어링 | The advanced treatment apparatus equipped submersible pump for removal of nitrogen and phosphorus in sewage |
| CN102963981A (en) * | 2012-10-11 | 2013-03-13 | 北京工业大学 | Method for deep denitrification of integrated biological aerated filter |
| CN103058372A (en) * | 2013-01-02 | 2013-04-24 | 北京工业大学 | Down-flow integrated nitrification and denitrification aeration biological filtering device and method |
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Inventor after: Wang Zhongwei Inventor after: Luo Lebing Inventor before: Zong Guowei Inventor before: Ji Yong Inventor before: Deng Xianwen Inventor before: Tan Honglin |
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Effective date of registration: 20170515 Address after: Gaocheng town Gaocheng village in Yixing city of Jiangsu Province, Wuxi City, 214200 Patentee after: JIANGSU ZHONGWEI ENVIRONMENT ENGINEERING CO., LTD. Address before: 214241 Jiangsu province Wuxi City District Xu Yixing City Industrial Road No. 9 Patentee before: Jiangsu Lan Chen Environmental Protection Technology Co., Ltd |
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Address after: 214214 Gaoyong Village, Gaoyong Town, Yixing City, Jiangsu Province Patentee after: Jiangsu Zhongwei Environmental Engineering Group Co., Ltd. Address before: 214200 Gaoyong Village, Gaoyong Town, Yixing City, Wuxi City, Jiangsu Province Patentee before: JIANGSU ZHONGWEI ENVIRONMENT ENGINEERING CO., LTD. |
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