CN114409202A - Municipal administration sewage treatment clean system - Google Patents
Municipal administration sewage treatment clean system Download PDFInfo
- Publication number
- CN114409202A CN114409202A CN202210132988.1A CN202210132988A CN114409202A CN 114409202 A CN114409202 A CN 114409202A CN 202210132988 A CN202210132988 A CN 202210132988A CN 114409202 A CN114409202 A CN 114409202A
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- Prior art keywords
- membrane
- purification
- purification system
- sludge
- sewage treatment
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- 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
- 239000010865 sewage Substances 0.000 title claims abstract description 30
- 238000000746 purification Methods 0.000 claims abstract description 64
- 239000010802 sludge Substances 0.000 claims abstract description 45
- 239000002245 particle Substances 0.000 claims abstract description 43
- 239000012528 membrane Substances 0.000 claims abstract description 42
- 239000011148 porous material Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000005273 aeration Methods 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 239000004575 stone Substances 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 238000005276 aerator Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000012065 filter cake Substances 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- -1 leaves Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
-
- 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
- C02F2101/30—Organic compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Mechanical Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The application discloses municipal administration sewage treatment clean system, include through the grid well of pipeline intercommunication in proper order, equalizing basin, upflow anaerobic sludge blanket reactor, sludge purification system and the membrane tank that contains the membrane module, the membrane tank bottom is equipped with aeration equipment, the delivery port of membrane module passes through the tube coupling suction pump. The sludge purification system comprises at least 2-stage purification processors, wherein the adjacent two-stage purification processors are communicated in series through communicating pipe fittings, a bearing pore plate is fixedly arranged at the lower end of the interior of each purification processor, and a filler particle bed layer is paved on the bearing pore plate. According to the invention, the sludge purification system is arranged between the upflow anaerobic sludge bed reactor and the membrane tank, so that most of particulate matters in water are further intercepted, the probability that membrane components in the membrane tank contact sludge particles is greatly reduced, the formation of a filter cake layer on the surface of the membrane is slowed down, and the energy consumption for controlling membrane pollution is further reduced.
Description
Technical Field
The invention relates to a municipal sewage treatment and purification system.
Background
Municipal sewage, which is generally domestic sewage, industrial wastewater, initial rainwater and the like; the main pollutants of the sewage comprise pathogen pollutants, oxygen-consuming pollutants, plant nutrients, toxic pollutants and the like; from the viewpoint of sewage source, sewage may be defined as liquid or water carrying wastes mixed with ground water, surface water, snow storm, etc. discharged from a residential, an institutional, commercial or industrial area; sewage is classified into many categories, and there are many techniques and processes for reducing the environmental impact of sewage accordingly. At present, the existing municipal sewage treatment system is complex, the oxidative decomposition of organic substances in water is insufficient, and the treatment effect is not stable enough.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to provide a municipal sewage treatment and purification system.
The municipal sewage treatment and purification system is characterized by comprising a grating well, a regulating tank, an up-flow anaerobic sludge bed reactor, a sludge purification system and a membrane tank containing a membrane component which are sequentially communicated through a pipeline, wherein an aeration device is arranged at the bottom of the membrane tank, and a water outlet of the membrane component is connected with a suction pump through a pipeline; the sludge purification system comprises at least 2 stages of purification processors, adjacent two stages of purification processors are communicated in series through a communicating pipe, a filter screen is arranged at an inlet at the front end of the communicating pipe and horizontally extends into the upper end of the previous purification processor, and an outlet at the rear end of the communicating pipe extends into the bottom of the next purification processor; wherein the lower end of the interior of the purification processor is fixedly provided with a bearing pore plate, and a filler particle bed layer is paved on the bearing pore plate; the upper end of the upflow anaerobic sludge bed reactor is communicated with a first overflow pipe, the outlet end of the first overflow pipe penetrates into the bottom of the first-stage purification processor of the sludge purification system, and the upper end of the last-stage purification processor of the sludge purification system is communicated with the membrane pool through a second overflow pipe.
The municipal sewage treatment and purification system is characterized in that the filler particles comprise stone particles and activated carbon particles, the particle size range of the stone particles is 25-40mm, and the particle size range of the activated carbon particles is 10-25 mm; and a stone particle bed layer is laid on the bearing pore plate, and an activated carbon particle bed layer is further laid on the stone particle bed layer.
The municipal sewage treatment and purification system is characterized in that the regulating tank is communicated with the bottom inlet of the upflow anaerobic sludge bed reactor through a drain pipe, and a delivery pump is arranged on the drain pipe.
The municipal sewage treatment and purification system is characterized in that the bottom of the upflow anaerobic sludge bed reactor is connected with a nitrogen inlet pipe, and the nitrogen inlet pipe is provided with a one-way valve; a three-phase separator for separating solid, liquid and gas is arranged in the upper part of the upflow anaerobic sludge bed reactor, and gas is discharged from the top of the three-phase separator.
The municipal sewage treatment and purification system is characterized in that the aeration device comprises a nitrogen generator, a stop valve and an aerator arranged in the lower end of the membrane pool, the aerator is arranged below the membrane module, and the nitrogen generator, the stop valve and the aerator are sequentially connected through pipelines.
The municipal sewage treatment and purification system is characterized by further comprising a circulating pump, and a water outlet at the bottom of a first-stage purification processor of the sludge purification system is connected with the bottom of an upflow anaerobic sludge bed reactor through the circulating pump by a pipeline to form a part of circulating water flow loop.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts the anaerobic bioreactor and the membrane separation technology to be combined for treating the municipal sewage, overcomes the defect that the sludge is easy to lose in the traditional anaerobic process, and has the advantages of stable effluent quality, less residual sludge, capability of recovering methane gas as clean energy and the like. The sludge purification system is arranged between the upflow anaerobic sludge bed reactor and the membrane tank, so that most of particulate matters in water are further intercepted, the probability that membrane components in the membrane tank contact sludge particles is greatly reduced, the formation of a filter cake layer on the surface of the membrane is slowed down, and the energy consumption for controlling membrane pollution is further reduced.
Drawings
FIG. 1 is a schematic diagram of a municipal sewage treatment and purification system according to the present application;
in the figure: 1-grid well, 2-regulating reservoir, 3-upflow anaerobic sludge bed reactor, 4-delivery pump, 5-three-phase separator, 6-purification processor, 7-first overflow pipe, 8-filter screen, 9-activated carbon particle bed layer, 10-stone particle bed layer, 11-bearing orifice plate, 12-membrane pool, 13-membrane module, 14-suction pump, 15-communicating pipe fitting and 16-drain pipe.
Detailed Description
The present invention is further illustrated by the following examples, which should not be construed as limiting the scope of the invention.
Example (b): compare FIG. 1
A municipal sewage treatment and purification system comprises a grid well 1, a regulating tank 2, an up-flow anaerobic sludge bed reactor 3, a sludge purification system and a membrane tank 12 containing a membrane assembly 13 which are sequentially communicated through pipelines along the flowing direction of sewage, wherein the grid well 1 is mainly used for separating sundries with larger volume in the sewage, such as leaves, garbage and the like. The water outlet of the membrane module 13 is connected with a suction pump 14 through a pipeline. The bottom of the membrane tank 12 is provided with an aeration device, the aeration device comprises a nitrogen generator, a stop valve and an aerator arranged in the lower end of the membrane tank 12, the aerator is arranged below the membrane component 13, and the nitrogen generator, the stop valve and the aerator are sequentially connected through pipelines. When the device of this application carries out the during operation, when more pollution particles deposit at membrane module 13 surface and form the filter cake layer, to membrane tank 12 inside aeration wash away the filter cake layer on membrane module 13 surface, aeration equipment can the intermittent type work promptly, stops the aeration after washing away the filter cake layer on the membrane module.
The adjusting tank 2 is communicated with the bottom inlet of the upflow anaerobic sludge blanket reactor 3 through a drain pipe 16, and a delivery pump 4 is arranged on the drain pipe 16. The bottom of the upflow anaerobic sludge blanket reactor 3 is connected with a nitrogen inlet pipe, and a one-way valve is arranged on the nitrogen inlet pipe; a three-phase separator 5 for separating solid, liquid and gas is arranged in the upper part of the upflow anaerobic sludge bed reactor 3, and gas is discharged from the top of the three-phase separator 5.
In the application, the sludge purification system comprises at least 2 stages of purification processors 6, the adjacent two stages of purification processors 6 are communicated in series through a communication pipe fitting 15, a filter screen 8 is arranged at an inlet at the front end of the communication pipe fitting 15 and horizontally extends into the upper end of the previous purification processor 6, and an outlet at the rear end of the communication pipe fitting 15 extends into the bottom of the next purification processor 6; wherein, the lower end of the interior of the purification processor 6 is fixedly provided with a bearing pore plate 11, and a filler particle bed layer is paved on the bearing pore plate 11.
In the invention, the filler particles comprise stone particles and activated carbon particles, the particle size range of the stone particles is 25-40mm, and the particle size range of the activated carbon particles is 10-25 mm; and a stone particle bed layer 10 is laid on the bearing pore plate 11, and an activated carbon particle bed layer 9 is laid on the stone particle bed layer. The larger particle and density of the stone particles also facilitate the deposition of a small amount of small particle suspended matter in the wastewater in the gaps between the stone particles.
In the comparison graph 1, the upper end of the upflow anaerobic sludge bed reactor 3 is communicated with a first overflow pipe 7, the outlet end of the first overflow pipe 7 penetrates into the bottom of the first stage purification processor 6 of the sludge purification system, and the upper end of the last stage purification processor 6 of the sludge purification system is communicated with the membrane tank 12 through a second overflow pipe.
Further, the device of this application still includes the circulating pump, and 6 bottom delivery ports of first order purification processor of sludge purification system pass through the circulating pump and 3 bottoms of upflow anaerobic sludge blanket reactor by the tube coupling, form partial circulation rivers return circuit, prevent the accumulation and the rapid increase of suspension solid in the 6 bottoms of first order purification processor.
The statements in this specification merely set forth a list of implementations of the inventive concept and the scope of the present invention should not be construed as limited to the particular forms set forth in the examples.
Claims (6)
1. A municipal sewage treatment and purification system is characterized by comprising a grating well (1), a regulating tank (2), an up-flow anaerobic sludge bed reactor (3), a sludge purification system and a membrane tank (12) containing a membrane component (13) which are sequentially communicated through a pipeline, wherein the bottom of the membrane tank (12) is provided with an aeration device, and the water outlet of the membrane component (13) is connected with a suction pump (14) through a pipeline; the sludge purification system comprises at least 2 stages of purification processors (6), wherein adjacent two stages of purification processors (6) are communicated in series through a communication pipe (15), a filter screen (8) is arranged at an inlet at the front end of the communication pipe (15) and horizontally extends into the upper end of the previous purification processor (6), and an outlet at the rear end of the communication pipe (15) extends into the bottom of the next purification processor (6); wherein the lower end of the interior of the purification processor (6) is fixedly provided with a bearing pore plate (11), and a filler particle bed layer is laid on the bearing pore plate (11); the upper end of the upflow anaerobic sludge bed reactor (3) is communicated with a first overflow pipe (7), the outlet end of the first overflow pipe (7) penetrates into the bottom of a first-stage purification processor (6) of the sludge purification system, and the upper end of the last-stage purification processor (6) of the sludge purification system is communicated with a membrane pool (12) through a second overflow pipe.
2. The municipal sewage treatment purification system of claim 1, wherein said filler particles comprise stone particles and activated carbon particles, wherein the stone particles have a particle size in the range of 25 to 40mm and the activated carbon particles have a particle size in the range of 10 to 25 mm; and a stone particle bed layer (10) is laid on the bearing pore plate (11), and an activated carbon particle bed layer (9) is further laid on the stone particle bed layer.
3. The municipal sewage treatment and purification system according to claim 1, wherein the regulation tank (2) is connected to the bottom inlet of the upflow anaerobic sludge blanket reactor (3) through a drain pipe (16), and the drain pipe (16) is provided with a delivery pump (4).
4. The municipal sewage treatment and purification system according to claim 1, wherein the bottom of the upflow anaerobic sludge bed reactor (3) is connected with a nitrogen inlet pipe, and the nitrogen inlet pipe is provided with a one-way valve; a three-phase separator (5) for separating solid, liquid and gas is arranged in the upper part of the upflow anaerobic sludge bed reactor (3), and gas is discharged from the top of the three-phase separator (5).
5. The municipal sewage treatment and purification system according to claim 1, wherein the aeration means comprises a nitrogen generator, a stop valve and an aerator disposed inside the lower end of the membrane tank (12), the aerator is disposed below the membrane module (13), and the nitrogen generator, the stop valve and the aerator are connected in sequence by a pipeline.
6. The municipal sewage treatment and purification system according to claim 1, further comprising a circulating pump, wherein a water outlet at the bottom of the first stage purification processor (6) of the sludge purification system is connected with the bottom of the upflow anaerobic sludge bed reactor (3) through a pipeline by the circulating pump to form a part of a circulating water flow loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132988.1A CN114409202A (en) | 2022-02-14 | 2022-02-14 | Municipal administration sewage treatment clean system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132988.1A CN114409202A (en) | 2022-02-14 | 2022-02-14 | Municipal administration sewage treatment clean system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114409202A true CN114409202A (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210132988.1A Pending CN114409202A (en) | 2022-02-14 | 2022-02-14 | Municipal administration sewage treatment clean system |
Country Status (1)
| Country | Link |
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| CN (1) | CN114409202A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150368131A1 (en) * | 2013-02-01 | 2015-12-24 | Universidade De Santiago De Compostela | Integrated system of a methanogenic anaerobic reactor and membrane bioreactor for the elimination of organic material and nitrogen from wastewater |
| CN105366806A (en) * | 2015-12-03 | 2016-03-02 | 清华大学 | Anaerobic-micro-aerobic membrane bioreactor and operation method thereof |
| CN110845008A (en) * | 2019-10-09 | 2020-02-28 | 浙江省天正设计工程有限公司 | Bioreactor for treating high-salt organic wastewater based on composite salt-tolerant strains |
| CN111792730A (en) * | 2020-07-27 | 2020-10-20 | 浙江工业大学 | Method for controlling membrane pollution of anaerobic membrane bioreactor with low energy consumption |
| CN215480401U (en) * | 2021-06-28 | 2022-01-11 | 北京科润祺环保科技有限公司 | Sewage treatment system |
-
2022
- 2022-02-14 CN CN202210132988.1A patent/CN114409202A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150368131A1 (en) * | 2013-02-01 | 2015-12-24 | Universidade De Santiago De Compostela | Integrated system of a methanogenic anaerobic reactor and membrane bioreactor for the elimination of organic material and nitrogen from wastewater |
| CN105366806A (en) * | 2015-12-03 | 2016-03-02 | 清华大学 | Anaerobic-micro-aerobic membrane bioreactor and operation method thereof |
| CN110845008A (en) * | 2019-10-09 | 2020-02-28 | 浙江省天正设计工程有限公司 | Bioreactor for treating high-salt organic wastewater based on composite salt-tolerant strains |
| CN111792730A (en) * | 2020-07-27 | 2020-10-20 | 浙江工业大学 | Method for controlling membrane pollution of anaerobic membrane bioreactor with low energy consumption |
| CN215480401U (en) * | 2021-06-28 | 2022-01-11 | 北京科润祺环保科技有限公司 | Sewage treatment system |
Non-Patent Citations (2)
| Title |
|---|
| 尹冬雪等 著: "《沼气工程与生物质能源开发》", 中国原子能出版社, pages: 59 - 60 * |
| 李玉超 著: "《水污染治理及其生态修复技术研究》", 30 September 2019, 中国海洋大学出版社, pages: 95 - 96 * |
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Application publication date: 20220429 |