CN107244737A - Complex biological denitrification and dephosphorization method and device - Google Patents
Complex biological denitrification and dephosphorization method and device Download PDFInfo
- Publication number
- CN107244737A CN107244737A CN201710500877.0A CN201710500877A CN107244737A CN 107244737 A CN107244737 A CN 107244737A CN 201710500877 A CN201710500877 A CN 201710500877A CN 107244737 A CN107244737 A CN 107244737A
- Authority
- CN
- China
- Prior art keywords
- zone
- packing layer
- complex biological
- aerobic
- anaerobic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012856 packing Methods 0.000 claims abstract description 52
- 239000000945 filler Substances 0.000 claims abstract description 37
- 239000010802 sludge Substances 0.000 claims abstract description 28
- 238000004062 sedimentation Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 229910052757 nitrogen Inorganic materials 0.000 claims description 27
- 238000005273 aeration Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 238000005276 aerator Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 5
- 239000011574 phosphorus Substances 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
Abstract
The invention discloses a kind of complex biological denitrification and dephosphorization method, activated sludge process will be combined by this method with life assemblage filler, and activated sludge is respectively attached on anaerobic zone A, anoxic zone B and aerobic zone C life assemblage filler；Some in the activated sludge derives from the sludge for being back to anaerobic zone A by mud return line from sedimentation basin, and some derives from the sludge for being back to anoxic zone B by mixed-liquor return pipe from aerobic zone C.Compared with the existing, activated sludge process is effectively combined by the present invention with biologic packing material, and it is good with phosphorus effect to denitrogenate.
Description
Technical field
The present invention relates to field of Environment Protection, more particularly to a kind of complex biological denitrification and dephosphorization method and device.
Background technology
For sanitary sewage, wherein containing ammonia nitrogen and phosphorus, traditional biological carbon and phosphorous removal method is exactly original activated sludge
Method, i.e. anaerobism, anoxic, Aerobic Process for Treatment, also known as A2/O technologies, this technology, sludge concentration are larger, need regular spoil disposal, moreover,
Activated sludge can not be mixed effectively with sewage, and the effect for denitrogenation dephosphorizing is bad, and anoxic section needs equipment to be stirred
Mix, increase operating cost is higher.
The content of the invention
An object of the present invention is to provide a kind of complex biological denitrogenation method, and this method is by activated sludge process and life
Thing filler is effectively combined, and it is good with phosphorus effect to denitrogenate.
Technical scheme is：A kind of complex biological denitrification and dephosphorization method, this method will be by activated sludge process and life assemblage
Filler is combined, and activated sludge is respectively attached on anaerobic zone A, anoxic zone B and aerobic zone C life assemblage filler；It is described
Some in activated sludge derives from the sludge for being back to anaerobic zone A by mud return line from sedimentation basin, and some comes
Come from the sludge for being back to anoxic zone B by mixed-liquor return pipe from aerobic zone C.
Preferably, the ratio of sludge reflux flow and water process flow is 0.5-1, mixed liquor in the dirty mud return duct
The ratio of mixed-liquor return flow and water process flow is 1-2 in return duct.
The second object of the present invention is to provide a kind of complex biological nitrogen rejection facility.
Technical scheme is：A kind of complex biological nitrogen rejection facility, the complex biological nitrogen rejection facility includes anaerobism
Area A, anoxic zone B, aerobic zone C, packing layer, water inlet pipe and apopore, anoxic zone B are arranged between anaerobic zone A and aerobic zone C；
First dividing plate between anaerobic zone A and anoxic zone B, is provided with second partition, the first dividing plate epimere between anoxic zone B and aerobic zone C
First through hole is provided with, second partition hypomere is provided with the second through hole, and water inlet pipe is connected in the A of anaerobic zone and stretched into from the top down
Anaerobic zone A bottoms, apopore is arranged on aerobic zone C epimeres away from anoxic zone B one side.
Preferably, described filler layer is made up of anaerobic zone packing layer, anoxic zone packing layer and aerobic zone packing layer, anaerobism
Area's packing layer is arranged in the A of anaerobic zone, and top is located at below first through hole, and bottom is located above the A horizontal center lines of anaerobic zone, is lacked
Oxygen area packing layer top and bottom is filled out at the top of same horizontal line, aerobic zone packing layer with anaerobic zone respectively with anaerobic zone packing layer
In same horizontal line at the top of the bed of material, bottom is less than the bottom of anaerobic zone packing layer but higher than the second through hole.
Preferably, being provided with air hose, aeration tube and aerator in the aerobic zone C, aeration tube and aerator are set
In aerobic zone C bottoms, air hose upper end is communicated with extraneous air, and lower end is connected with aeration tube.
Preferably, the complex biological nitrogen rejection facility is additionally provided with perforation water distributor, perforation water distributor, which is arranged on, to be detested
In oxygen area A, water inlet pipe bottom is connected to.
Preferably, the complex biological nitrogen rejection facility is additionally provided with mud return line, mud return line bottom is stretched into
Above the A bottoms of anaerobic zone, mud return line bottom end outlet is located above perforation water distributor, the mud return line other end and sedimentation basin
It is connected.
Preferably, the complex biological nitrogen rejection facility is additionally provided with mixed-liquor return pipe, the mixed-liquor return pipe one
End is connected in the B of anoxic zone, and the other end is connected in the C of aerobic zone, and the outlet that mixed-liquor return pipe is located in the B of anoxic zone, which is located at, to be lacked
Above oxygen area packing layer, mixed-liquor return pipe is located at the entrance in the C of aerobic zone and is located at below the packing layer of aerobic zone.
Preferably, the complex biological nitrogen rejection facility is additionally provided with mixed-liquor return pump, the mixed-liquor return pump is set
Put in the C of aerobic zone.
Preferably, the complex biological nitrogen rejection facility is additionally provided with aerobic zone filler support, anaerobic zone filler support
With anoxic zone filler support, the interior filling aerobic zone packing layer of aerobic zone filler support, the interior filling institute of anaerobic zone filler support
State the filling anoxic zone packing layer in anaerobic zone packing layer, anoxic zone filler support.
Preferably, being provided with biological group in the anaerobic zone packing layer, anoxic zone packing layer and aerobic zone packing layer
Close filler.
Compared with prior art, activated sludge process is effectively combined by the present invention with biologic packing material, with following excellent
Point：
1. the biodegradability of sewage can be improved, the sewage effect bad to biodegradability is notable.
2. raw water is supplemented, increases C/N ratios, without additional carbon, operating cost is reduced, denitrification effect is good.
3. life assemblage filler is provided with device, activated sludge is attached on life assemblage filler, makes microorganism equal
Even is covered with each conversion zone.
4. sludge concentration is small, and sludge discharging period is long, substantially without spoil disposal.
5. anaerobism and anoxic section reduce power-equipment, save operating cost without stirring for equipment.
6. it is succinct convenient to run, and Nitrogen/Phosphorus Removal is good.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is planar structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1-2, a kind of complex biological nitrogen rejection facility, including anaerobic zone A, anoxic zone B, aerobic zone C, filler
Layer, water inlet pipe 1 and apopore 5, anoxic zone B are arranged between anaerobic zone A and aerobic zone C；Between anaerobic zone A and anoxic zone B
One dividing plate 18, is provided with second partition 17 between anoxic zone B and aerobic zone C, the epimere of the first dividing plate 18 is provided with first through hole, the
Control valve is provided with one through hole, for controlling water to flow through, the hypomere of second partition 17 is provided with the second through hole, the second through hole and set
Control valve is equipped with, for controlling water to flow through.Water inlet pipe 1 is connected in the A of anaerobic zone and stretches into anaerobic zone A bottoms from the top down, goes out
Water hole 5 is arranged on aerobic zone C epimeres away from anoxic zone B one side.Packing layer is by anaerobic zone packing layer 13, the and of anoxic zone packing layer 15
Aerobic zone packing layer 6 is constituted, and anaerobic zone packing layer 13 is arranged in the A of anaerobic zone, and top is located at below first through hole, and bottom is located at
Above the A horizontal center lines of anaerobic zone, the top and bottom of anoxic zone packing layer 15 is with anaerobic zone packing layer 13 respectively in same level
Line, the top of aerobic zone packing layer 6 is with the top of anaerobic zone packing layer 13 in same horizontal line, and bottom is less than anaerobic zone packing layer 13
Bottom but higher than the second through hole.
Air hose 4, aeration tube 8 and aerator 9 are provided with the C of aerobic zone, aeration tube 8 and aerator 9 are arranged on aerobic zone C
Bottom, the upper end of air hose 4 is communicated with extraneous air, and lower end is connected with aeration tube 8.
Complex biological nitrogen rejection facility is additionally provided with perforation water distributor 11, and perforation water distributor 11 is arranged in the A of anaerobic zone, even
It is connected on the bottom of water inlet pipe 1.
Complex biological nitrogen rejection facility is additionally provided with mud return line 2, and anaerobic zone A bottoms are stretched into the bottom of mud return line 2
Top, the bottom end outlet of mud return line 2 is located at the top of perforation water distributor 11, and the other end of mud return line 2 is connected with sedimentation basin.It is dirty
On the one hand the setting of mud return duct 2 ensure that anaerobic zone A sludge concentration, on the other hand ensure that the effect denitrogenated with phosphorus.
Complex biological nitrogen rejection facility is additionally provided with mixed-liquor return pipe 3, and the one end of mixed-liquor return pipe 3 is connected to anoxic zone
In B, the other end is connected in the C of aerobic zone, and the outlet that mixed-liquor return pipe 3 is located in the B of anoxic zone is located at anoxic zone packing layer 15
Top, the entrance that mixed-liquor return pipe 3 is located in the C of aerobic zone is located at the lower section of aerobic zone packing layer 6.Mixed-liquor return pump 10 is set
In the C of aerobic zone, the power for providing mixed-liquor return.
Complex biological nitrogen rejection facility is additionally provided with aerobic zone filler support 7, anaerobic zone filler support 12 and anoxic zone and filled out
Expect to fill filling anaerobic zone filler in oxygen area packing layer 6, anaerobic zone filler support 12 in support 14, aerobic zone filler support 7
Filling anoxic zone packing layer 15 in layer 13, anoxic zone filler support 14.
Life assemblage filler 16 is respectively provided with anaerobic zone packing layer 13, anoxic zone packing layer 15 and aerobic zone packing layer 6.
Life assemblage filler 16 can use biological group of the environmentally friendly life assemblage filler in the source in Yixing sea or other companies
Close filler.
When handling the waste water that ammonia-nitrogen content is 30-35mg/l, using apparatus of the present invention, sludge is returned in mud return line 2
The ratio of stream flow and water process flow is selected in mixed-liquor return flow and water process flow in 0.5-1, mixed-liquor return pipe 3
When ratio is selected in 1-2, ammonia-nitrogen content is 7-8mg/l in the water come out from apopore 5.
Claims (10)
1. activated sludge process will be combined by a kind of complex biological denitrification and dephosphorization method, this method with life assemblage filler,
Activated sludge is respectively attached on anaerobic zone A, anoxic zone B and aerobic zone C life assemblage filler；Have one in the activated sludge
Part is from the sludge for being back to anaerobic zone A by mud return line from sedimentation basin, and some derives from logical from aerobic zone C
Cross the sludge that mixed liquor return duct is back to anoxic zone B.
2. complex biological denitrification and dephosphorization method according to claim 1, it is characterised in that：The dirty mud return duct
The ratio of middle sludge reflux flow and water process flow is mixed-liquor return flow and water process in 0.5-1, mixed-liquor return pipe
The ratio of flow is 1-2.
3. a kind of complex biological nitrogen rejection facility, it is characterised in that：The complex biological nitrogen rejection facility includes anaerobic zone
A, anoxic zone B, aerobic zone C, packing layer, water inlet pipe and apopore, anoxic zone B are arranged between anaerobic zone A and aerobic zone C；Detest
First dividing plate between oxygen area A and anoxic zone B, is provided with second partition between anoxic zone B and aerobic zone C, the first dividing plate epimere is set
First through hole is equipped with, second partition hypomere is provided with the second through hole, and water inlet pipe, which is connected in the A of anaerobic zone and stretched into from the top down, to be detested
Oxygen area A bottoms, apopore is arranged on aerobic zone C epimeres away from anoxic zone B one side.
4. complex biological nitrogen rejection facility according to claim 3, it is characterised in that：Described filler layer is by anaerobic zone filler
Layer, anoxic zone packing layer and aerobic zone packing layer composition, anaerobic zone packing layer are arranged in the A of anaerobic zone, and top is located at first and led to
Below hole, bottom is located above the A horizontal center lines of anaerobic zone, and anoxic zone packing layer top and bottom is distinguished with anaerobic zone packing layer
With anaerobic zone packing layer top in same horizontal line at the top of same horizontal line, aerobic zone packing layer, bottom is filled out less than anaerobic zone
The bottom of the bed of material but higher than the second through hole.
5. according to any described complex biological nitrogen rejection facility of claim 3 or 4, it is characterised in that：Set in the aerobic zone C
Air hose, aeration tube and aerator are equipped with, aeration tube and aerator are arranged on aerobic zone C bottoms, and air hose upper end is empty with outside
Gas phase is led to, and lower end is connected with aeration tube.
6. according to any described complex biological nitrogen rejection facilitys of claim 3-5, it is characterised in that：The complex biological takes off
Nitrogen device is additionally provided with perforation water distributor, and perforation water distributor is arranged in the A of anaerobic zone, is connected to water inlet pipe bottom.
7. according to any described complex biological nitrogen rejection facilitys of claim 3-6, it is characterised in that：The complex biological takes off
Nitrogen device is additionally provided with mud return line, and mud return line bottom is stretched into above the A bottoms of anaerobic zone, mud return line bottom end outlet
Above perforation water distributor, the mud return line other end is connected with sedimentation basin.
8. according to any described complex biological nitrogen rejection facilitys of claim 3-7, it is characterised in that：The complex biological takes off
Nitrogen device is additionally provided with mixed-liquor return pipe, and the mixed-liquor return pipe one end is connected in the B of anoxic zone, and the other end is connected to aerobic
In area C, mixed-liquor return pipe is located at the outlet in the B of anoxic zone and is located above the packing layer of anoxic zone, and mixed-liquor return pipe is located at
Entrance in oxygen area C is located at below the packing layer of aerobic zone.
9. according to any described complex biological nitrogen rejection facilitys of claim 3-8, it is characterised in that：The complex biological takes off
Nitrogen device is additionally provided with aerobic zone filler support, anaerobic zone filler support and anoxic zone filler support, aerobic zone filler support
The filling anaerobic zone packing layer in the aerobic zone packing layer, anaerobic zone filler support is loaded, anoxic zone filler support is built-in
Fill out the anoxic zone packing layer.
10. according to any described complex biological nitrogen rejection facilitys of claim 3-9, it is characterised in that：The anaerobic zone
Life assemblage filler is provided with packing layer, anoxic zone packing layer and aerobic zone packing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500877.0A CN107244737A (en) | 2017-06-27 | 2017-06-27 | Complex biological denitrification and dephosphorization method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500877.0A CN107244737A (en) | 2017-06-27 | 2017-06-27 | Complex biological denitrification and dephosphorization method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107244737A true CN107244737A (en) | 2017-10-13 |
Family
ID=60013558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710500877.0A Pending CN107244737A (en) | 2017-06-27 | 2017-06-27 | Complex biological denitrification and dephosphorization method and device |
Country Status (1)
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| CN (1) | CN107244737A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663696A (en) * | 2013-12-13 | 2014-03-26 | 重庆大学 | Membrane bio-reactor (MBR) used for treating preserved szechuan pickle wastewater and reinforcing biological phosphorous and nitrogen removal |
| CN106116047A (en) * | 2016-08-08 | 2016-11-16 | 苏州方舟环保科技有限公司 | The villages and small towns sewage water treatment method of a kind of high-efficient denitrification and dephosphorization and device |
| CN205973978U (en) * | 2016-08-23 | 2017-02-22 | 中国电建集团中南勘测设计研究院有限公司 | Town sewage biochemical treatment device |
| CN207002394U (en) * | 2017-06-27 | 2018-02-13 | 四川腾颢环保工程有限公司 | Complex biological denitrification system |
| CN216837566U (en) * | 2022-03-01 | 2022-06-28 | 四川腾颢环保工程有限公司 | Anaerobic reactor for water treatment |
-
2017
- 2017-06-27 CN CN201710500877.0A patent/CN107244737A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663696A (en) * | 2013-12-13 | 2014-03-26 | 重庆大学 | Membrane bio-reactor (MBR) used for treating preserved szechuan pickle wastewater and reinforcing biological phosphorous and nitrogen removal |
| CN106116047A (en) * | 2016-08-08 | 2016-11-16 | 苏州方舟环保科技有限公司 | The villages and small towns sewage water treatment method of a kind of high-efficient denitrification and dephosphorization and device |
| CN205973978U (en) * | 2016-08-23 | 2017-02-22 | 中国电建集团中南勘测设计研究院有限公司 | Town sewage biochemical treatment device |
| CN207002394U (en) * | 2017-06-27 | 2018-02-13 | 四川腾颢环保工程有限公司 | Complex biological denitrification system |
| CN216837566U (en) * | 2022-03-01 | 2022-06-28 | 四川腾颢环保工程有限公司 | Anaerobic reactor for water treatment |
Non-Patent Citations (1)
| Title |
|---|
| 毛玉红: "水生物处理新技术", 中国铁道出版社, pages: 107 - 108 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20171013 |