CN112479375A - Multi-dimensional cascade biological reaction method - Google Patents
Multi-dimensional cascade biological reaction method Download PDFInfo
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- CN112479375A CN112479375A CN202011253751.6A CN202011253751A CN112479375A CN 112479375 A CN112479375 A CN 112479375A CN 202011253751 A CN202011253751 A CN 202011253751A CN 112479375 A CN112479375 A CN 112479375A
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- water
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- thread section
- pipe
- dissolved oxygen
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000001301 oxygen Substances 0.000 claims abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 20
- 238000005273 aeration Methods 0.000 claims abstract description 17
- 239000002344 surface layer Substances 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 18
- 239000000945 filler Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 abstract description 3
- 238000004065 wastewater treatment Methods 0.000 description 6
- 230000035764 nutrition Effects 0.000 description 4
- 235000016709 nutrition Nutrition 0.000 description 4
- 239000010865 sewage Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- 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
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a multidimensional step biological reaction method, which comprises the following steps that a plurality of pool bodies are arranged side by side, water is injected into the pool bodies through a water inlet pipe, aeration is carried out on the water in the pool bodies through an air inlet pipe, and the water is discharged through a water outlet pipe; controlling the aeration depth of the air inlet pipe to be below 1m to carry out surface layer aeration, regulating the dissolved oxygen concentration of an aerobic section within 1m in the tank body to be 2 mg/L-4 mg/L, and regulating the dissolved oxygen concentration of an anaerobic section within 1 m-3 m in the tank body to be 0.2 mg/L-0.5 mg/L; the dissolved oxygen with different water level heights in the tank bodies is distributed in different concentration gradients, and the different concentration gradients in the tank bodies carry out multidimensional gradient biological reaction treatment on the water body. The invention aims to provide a biological reaction method with low energy consumption and low cost, which ensures that dissolved oxygen at different water level heights in a tank body is distributed in different concentration gradients, and ensures that different concentration gradients in a plurality of tank bodies carry out multi-dimensional step biological reaction treatment on a water body.
Description
Technical Field
The invention relates to the field of biological reaction, in particular to a multi-dimensional step biological reaction method.
Background
The bioreactor is a reaction system for inoculating naturally-existing microorganisms or microorganisms with special degradation capacity to a liquid phase or a solid phase, and is common equipment in the water treatment industry. In water treatment, according to the depth of aeration, the following are roughly classified: deep aeration is carried out, and the depth is more than 8 m; aerating the middle layer to 3.5-5 m; aerating in shallow layer with depth below 2 m; aerating the surface layer to a depth of below 1 m; the deeper the depth, the greater the power consumption. However, the prior art is still lack of a multi-dimensional step biological reaction method, and can not perform targeted treatment for the conditions of different water qualities.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the defects and defects of the prior art, the invention provides a multi-dimensional step biological reaction method, aiming at inventing a biological reaction method with low energy consumption and low cost, so that dissolved oxygen at different water level heights in a tank body is distributed in different concentration gradients, and a plurality of different concentration gradients in the tank body are used for carrying out multi-dimensional step biological reaction treatment on a water body.
The technical scheme is as follows: the invention relates to a multi-dimensional step biological reaction method, which is characterized in that: a plurality of tank bodies are arranged side by side, water is injected into the tank bodies through water inlet pipes, aeration is carried out on the water through air inlet pipes, and the water is discharged through water outlet pipes; controlling the aeration depth of the air inlet pipe to be below 1m to carry out surface layer aeration, regulating the dissolved oxygen concentration of an aerobic section within 1m in the tank body to be 2 mg/L-4 mg/L, and regulating the dissolved oxygen concentration of an anaerobic section within 1 m-3 m in the tank body to be 0.2 mg/L-0.5 mg/L; the dissolved oxygen with different water level heights in the tank bodies is distributed in different concentration gradients, and the different concentration gradients in the tank bodies carry out multidimensional gradient biological reaction treatment on the water body.
Wherein, the dissolved oxygen concentration is adjusted through the aeration rate of the air inlet pipe, or through the water outlet rate of the water inlet pipe, or through the biological filler in the reactor.
The plurality of tank bodies are arranged side by side, the tank bodies are respectively connected with the water inlet pipe, the water outlet pipe and the air inlet pipe, and the upper parts of the tank bodies are provided with partition pore plates; the water inlet pipe and the water outlet pipe are of the same structure, the connecting end of the water inlet pipe is provided with an internal connecting end, the internal connecting end is provided with an internal thread section, the water inlet pipe is connected with an external water pipe outside the tank body, the connecting end of the external water pipe is provided with an external connecting end, the external connecting end is provided with an external thread section, and the water inlet pipe and the external water pipe are connected with the external thread section through the internal; the top and the bottom of the water inlet pipe are provided with a plurality of water outlets, the water outlets are provided with internal thread sections of the water outlets, and the water outlets are movably connected with the spray head or the plug.
The spray head is provided with a spray head external thread section, and the spray head and the water outlet are movably connected with the water outlet internal thread section through the spray head external thread section.
The plug is provided with a plug external thread section, and the plug and the water outlet are movably connected with the water outlet internal thread section through the plug external thread section.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: the invention aims to provide a biological reaction method with low energy consumption and low cost, which ensures that dissolved oxygen with different water level heights in a tank body is distributed in different concentration gradients, and ensures that a plurality of tank bodies carry out multidimensional gradient biological reaction treatment on a water body by different concentration gradients, and compared with a conventional AO bioreactor, the biological reaction method can reduce the energy consumption by 50-70% and reduce the cost by more than 50%.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic structural diagram of the tank body of the present invention;
FIG. 4 is a schematic view of the structure of the water inlet pipe of the present invention;
in the figure, 1 is a tank body; 2 is a water inlet pipe; a water outlet pipe is shown as 3; 4 is an air inlet pipe; 5 is a partition pore plate; 6 is an external water pipe; 7 is an external thread section; 8 is an external connecting end; 9 is an internal connection end; 10 is an internal thread section; 11 is a water outlet; 12 is a threaded section in the water outlet; 13 is a spray head; 14 is an external thread section of the spray head; 15 is a plug; 16 is the external thread section of the plug.
Detailed Description
The technical solution of the present invention is further described with reference to the accompanying drawings and the detailed description.
According to the multi-dimensional step biological reaction method, a plurality of pool bodies 1 are arranged side by side, water is injected into the pool bodies 1 through a water inlet pipe 2, aeration is carried out on the water through a gas inlet pipe 4, and the water is discharged through a water outlet pipe 3; controlling the aeration depth of the air inlet pipe 4 to be less than 1m to carry out surface layer aeration, adjusting the dissolved oxygen concentration of an aerobic section within 1m in the tank body 1 to be 2 mg/L-4 mg/L, and adjusting the dissolved oxygen concentration of an anaerobic section within 1 m-3 m in the tank body 1 to be 0.2 mg/L-0.5 mg/L; so that the dissolved oxygen at different water level heights in the tank body 1 is distributed in different concentration gradients, and the different concentration gradients in the tank bodies 1 carry out multidimensional gradient biological reaction treatment on the water body.
The dissolved oxygen concentration is adjusted through the aeration rate of the air inlet pipe 4, the dissolved oxygen content in the tank body is adjusted according to different water quality types and different biological activities, and different functions are given to each tank body, so that optimization is achieved. Or the water outlet speed of the water inlet pipe 2 is adjusted, the water outlet requirement is set according to different water qualities, and the fluidization is adjusted to form the water treatment function in different sections. Or the biological filler in the reactor is used for regulation to change the suspension condition, the biological diaphragm condition and the capacity of the biological filler and regulate the biomass in each section of system.
Wherein, a plurality of tank bodies 1 are arranged side by side, the tank bodies 1 are respectively connected with a water inlet pipe 2, a water outlet pipe 3 and an air inlet pipe 4, and the upper part of the tank body 1 is provided with a partition pore plate 5; the water inlet pipe 2 and the water outlet pipe 3 adopt the same structure, the connecting end of the water inlet pipe 2 is provided with an internal connecting end 9, the internal connecting end 9 is provided with an internal thread section 10, the water inlet pipe 2 is connected with an external water pipe 6 outside the tank body 1, the connecting end of the external water pipe 6 is provided with an external connecting end 8, the external connecting end 8 is provided with an external thread section 7, and the water inlet pipe 2 and the external water pipe 6 are connected with the external thread section 7 through the internal thread section; the top and the bottom of the water inlet pipe 2 are provided with a plurality of water outlets 11, the water outlets 11 are provided with internal thread sections 12 of the water outlets, and the water outlets 11 are movably connected with a spray head 13 or a plug 15. The spray head 13 is provided with a spray head external thread section 14, and the spray head 13 and the water outlet 11 are movably connected with an internal thread section 12 of the water outlet through the spray head external thread section 14. The plug 15 is provided with a plug external thread section 16, and the plug 15 and the water outlet 11 are movably connected with the water outlet internal thread section 12 through the plug external thread section 16.
The invention realizes the multi-dimensional gradient biological sewage treatment by using the dissolved oxygen gradient, the sewage concentration gradient, the biomass gradient and the flow gradient, and realizes the water quality reaching the standard. According to the multi-dimensional step biological reaction method, firstly, the sewage concentration is continuously reduced and is in a descending trend through primary AO treatment; secondly, the biological nutrition is distributed ecologically, the biological nutrition can not be biochemical at the initial stage, only the biological substance is decomposed and metabolized, the nutrition available to the organisms at the middle stage is gradually increased to the maximum and is greatly consumed, and the nutrition available to the organisms at the final stage is basically exhausted; finally, the biological activity is in a gradual decline trend, and the biological reaction treatment is completed.
Meanwhile, the invention specifically designs a connection structure of the water inlet pipe 2 and the water outlet pipe 3, the water inlet pipe 2 and the external water pipe 6 are connected with the external thread section 7 through the internal thread section 10, and the installation and the disassembly are convenient; the top and the bottom of the water inlet pipe 2 and the water outlet pipe 3 are provided with a plurality of water outlets 11, and the water outlets 11 are movably connected with a spray head 13 or a plug 15; the number and the positions of the water outlets 11 are adjusted according to the needs, so that various water inlet and outlet needs are met.
The invention aims to invent a biological reaction method with low energy consumption and low cost, and compared with the conventional AO bioreactor, the invention can reduce the energy consumption by 50-70% and the cost by more than 50%. The application range is wide, and the method comprises industrial wastewater treatment, biological wastewater treatment, cultivation wastewater treatment, park wastewater treatment, enterprise wastewater treatment, town wastewater treatment and the like.
Claims (5)
1. The multi-dimensional cascade biological reaction method is characterized in that: a plurality of tank bodies (1) are arranged side by side, water is injected into the tank bodies (1) through a water inlet pipe (2), aeration is carried out on the water through an air inlet pipe (4), and the water is discharged through a water outlet pipe (3); controlling the aeration depth of the air inlet pipe (4) to be less than 1m to carry out surface layer aeration, adjusting the dissolved oxygen concentration of an aerobic section within 1m in the tank body (1) to be 2 mg/L-4 mg/L, and adjusting the dissolved oxygen concentration of an anaerobic section within 1 m-3 m in the tank body (1) to be 0.2 mg/L-0.5 mg/L; dissolved oxygen at different water level heights in the tank bodies (1) is distributed in different concentration gradients, so that different concentration gradients in a plurality of tank bodies (1) carry out multi-dimensional step biological reaction treatment on the water body.
2. The multi-dimensional cascade bioreaction method of claim 1, wherein: the dissolved oxygen concentration is adjusted through the aeration rate of the air inlet pipe (4), or through the water outlet rate of the water inlet pipe (2), or through biological fillers in the reactor.
3. The multi-dimensional cascade bioreaction method of claim 1, wherein: the plurality of the tank bodies (1) are arranged side by side, the tank bodies (1) are respectively connected with the water inlet pipe (2), the water outlet pipe (3) and the air inlet pipe (4), and the upper parts of the tank bodies (1) are provided with partition pore plates (5); the water inlet pipe (2) and the water outlet pipe (3) adopt the same structure, the connecting end of the water inlet pipe (2) is provided with an internal connecting end (9), the internal connecting end (9) is provided with an internal thread section (10), the water inlet pipe (2) is connected with an external water pipe (6) outside the tank body (1), the connecting end of the external water pipe (6) is provided with an external connecting end (8), the external connecting end (8) is provided with an external thread section (7), and the water inlet pipe (2) and the external water pipe (6) are connected with the external thread section (7) through the internal thread section (10); the top and the bottom of the water inlet pipe (2) are provided with a plurality of water outlets (11), the water outlets (11) are provided with internal threaded sections (12) of the water outlets, and the water outlets (11) are movably connected with a spray head (13) or a plug (15).
4. The multi-dimensional cascade bioreaction method of claim 3, wherein: the spray head (13) is provided with a spray head external thread section (14), and the spray head (13) and the water outlet (11) are movably connected with the water outlet internal thread section (12) through the spray head external thread section (14).
5. The multi-dimensional cascade bioreaction method of claim 3, wherein: the plug (15) is provided with a plug external thread section (16), and the plug (15) and the water outlet (11) are movably connected with the water outlet internal thread section (12) through the plug external thread section (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011253751.6A CN112479375A (en) | 2020-11-11 | 2020-11-11 | Multi-dimensional cascade biological reaction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011253751.6A CN112479375A (en) | 2020-11-11 | 2020-11-11 | Multi-dimensional cascade biological reaction method |
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| CN112479375A true CN112479375A (en) | 2021-03-12 |
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|---|---|---|---|---|
| CN103172181A (en) * | 2013-03-29 | 2013-06-26 | 杭州市城乡建设设计院有限公司 | BRGA (Biological Rotating Gradient Aeration) municipal wastewater treatment method |
| CN203065246U (en) * | 2013-02-19 | 2013-07-17 | 舟山佳宏水处理工程有限公司 | Novel artificial wet land water inlet pipe |
| CN104817195A (en) * | 2015-04-08 | 2015-08-05 | 浙江大学 | Low-energy consumption sewage aeration system capable of supplying oxygen by phases and partition |
| CN205973981U (en) * | 2016-08-29 | 2017-02-22 | 南通科技职业学院 | Filler formula waste water degradation groove based on dissolved oxygen graded distribution |
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| CN208292685U (en) * | 2018-04-03 | 2018-12-28 | 南京万物新能源科技有限公司 | Sewage collecting pool |
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| CN110776117A (en) * | 2019-10-30 | 2020-02-11 | 广西博世科环保科技股份有限公司 | Compound aeration device for controlling gradient dissolved oxygen distribution |
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-
2020
- 2020-11-11 CN CN202011253751.6A patent/CN112479375A/en active Pending
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| CN203065246U (en) * | 2013-02-19 | 2013-07-17 | 舟山佳宏水处理工程有限公司 | Novel artificial wet land water inlet pipe |
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| CN104817195A (en) * | 2015-04-08 | 2015-08-05 | 浙江大学 | Low-energy consumption sewage aeration system capable of supplying oxygen by phases and partition |
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Address after: 210000 South Science and Technology Park, 129-3 Guanghua Road, Qinhuai District, Nanjing City, Jiangsu Province Applicant after: All things environmental energy technology (Jiangsu) Co.,Ltd. Address before: 210000 South Science and Technology Park, 129-3 Guanghua Road, Qinhuai District, Nanjing City, Jiangsu Province Applicant before: NANJING WANWU NEW ENERGY TECHNOLOGY Co.,Ltd. |
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