CN214142004U - Treatment system of decentralized sewage - Google Patents
Treatment system of decentralized sewage Download PDFInfo
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- CN214142004U CN214142004U CN202022153042.2U CN202022153042U CN214142004U CN 214142004 U CN214142004 U CN 214142004U CN 202022153042 U CN202022153042 U CN 202022153042U CN 214142004 U CN214142004 U CN 214142004U
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- 239000010865 sewage Substances 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000011593 sulfur Substances 0.000 claims abstract description 26
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 26
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 15
- 230000001651 autotrophic effect Effects 0.000 claims description 12
- 244000005700 microbiome Species 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 8
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 241000894006 Bacteria Species 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 4
- 239000000945 filler Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 19
- 230000008569 process Effects 0.000 abstract description 18
- 238000013461 design Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000005864 Sulphur Substances 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000005273 aeration Methods 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a treatment system of dispersed sewage, which comprises a grid, a first buffer tank, a second buffer tank, a sulfur denitrification filter tank, an ultraviolet disinfection tank and a biological filter tower, wherein the grid, the first buffer tank, the second buffer tank, the sulfur denitrification filter tank and the ultraviolet disinfection tank are sequentially communicated from a water inlet end to a water outlet end; the biological filter tower is positioned above the first buffer tank and communicated with the first buffer tank; the sewage is communicated with a water inlet at the lower part of the first buffer tank through a grid, a water outlet at the upper part of the first buffer tank is communicated with a water inlet at the upper part of the biological filter tower, a water outlet at the lower part of the biological filter tower is communicated with a water inlet at the lower part of the first buffer tank, a water outlet at the upper part of the first buffer tank is communicated with a water inlet at the lower part of the second buffer tank, a water outlet at the upper part of the second buffer tank is communicated with a water inlet at the lower part of the sulfur denitrification filter tank, and a water outlet at the upper part of the sulfur denitrification filter tank is communicated with a water inlet of the ultraviolet disinfection tank; the utility model discloses have simple reasonable in design of process flow, technology unit is small in quantity, handles out water stably, and the operation maintenance work load is little, and it is little to take up an area of, is applicable to small-size sewage treatment station and uses.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, especially, relate to a treatment system of decentralized sewage.
Background
Under the propulsion of ten items of water, the urban sewage treatment rate needs to reach 95% in 2020, and centralized sewage is basically effectively controlled. However, the areas which are not covered in the urban municipal pipe network coverage area and are located in suburbs or far away from towns, such as vacation villages, villas far away from city centers, scattered villages and towns, and the like, are not suitable for the centralized treatment of domestic sewage due to the characteristics of small sewage amount, scattered production sources, large pollution amount and the like, and the generated sewage is not effectively treated, so that the environmental problems are increasingly highlighted. According to the planning, the sewage treatment rate of villages and towns in China is still lower than 30%, even less than 10% in most areas, so that distributed and on-site treatment technologies of domestic sewage are selected and developed according to local conditions.
In recent years, distributed sewage treatment technology is emerging continuously, but certain problems still exist in the aspects of process selection, investment and operation construction. Most treatment processes lack pertinence, are copied by referring to a centralized sewage treatment method, have the problems of complex process flow, more equipment facilities, high system power consumption and high investment and operation cost, and are not suitable for distributed sewage treatment facilities. Meanwhile, the amount of the residual sludge is large, and the problem of secondary pollution is not negligible. The main process characteristics of the biological filter tower are that the load which can be born is high, the biofilm grows rapidly under the high organic matter load, and the high hydraulic load is that the biofilm is subjected to strong hydraulic scouring, so that the biofilm is continuously fallen and updated; the tower biological filter occupies small area and has stronger impact load resistance due to the layering of the filter. Generally, a natural ventilation mode is adopted, and aeration equipment is not required. The biological filtration tower has the advantages of removing COD and ammonia nitrogen, but has the defect of poor denitrification capability.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims at providing a processing system of decentralized sewage, process flow is simple, and process unit is small in quantity, reasonable in design, low energy consumption, few mud need not the aeration, need not to throw and add the medicament and throw, and occupation of land is little, is applicable to small-size sewage treatment station and uses, and it is stable to handle out water, and the operation is maintained work load little, the running cost is cheap.
In order to achieve the purpose, the utility model provides a treatment system of decentralized sewage, which comprises a grid, a buffer tank, a sulfur denitrification filter tank, an ultraviolet disinfection tank and a biological filter tower, wherein the grid, the buffer tank, the sulfur denitrification filter tank and the ultraviolet disinfection tank are sequentially communicated from a water inlet end to a water outlet end; the biological filter tower is positioned above the first buffer tank and communicated with the first buffer tank.
Preferably, the sewage is communicated with a water inlet at the lower part of the first buffer tank through the grille, a water outlet at the upper part of the first buffer tank is communicated with a water inlet at the upper part of the biological filter tower, a water outlet at the lower part of the biological filter tower is communicated with a water inlet at the lower part of the first buffer tank, a water outlet at the upper part of the first buffer tank is communicated with a water inlet at the lower part of the second buffer tank, a water outlet at the upper part of the second buffer tank is communicated with a water inlet at the lower part of the sulfur denitrification filter tank, a water outlet at the upper part of the sulfur denitrification filter tank is communicated with a water inlet of the ultraviolet disinfection tank, and a water outlet of the ultraviolet disinfection tank is communicated with a water outlet component;
preferably, the grating is a grating plate or a grating pool arranged at the water inlet end of the first buffer pool;
preferably, the carrier of the biological filter tower is made of nano ceramic materials with the surfaces attached with aerobic microorganisms and anaerobic microorganisms;
preferably, the filling filter material in the sulfur autotrophic denitrification filter is a circular hard filter material which is attached with sulfur autotrophic denitrifying bacteria on the surface and contains sulfur simple substances;
preferably, a sewage pump is arranged in each of the first buffer pool and the second buffer pool.
The utility model provides a pair of treatment system of decentralized sewage has following beneficial effect:
the utility model discloses it is complicated effectively to avoid the technological process that prior art exists, the equipment facility is many, system power consumption is big, investment and the high technical problem of running cost, the utility model discloses a biological filtration tower combines together with sulphur autotrophic denitrification pond, and with strong points, sulphur autotrophic denitrification pond carries out the process of denitrification with sulphur as electron donor, can compensate biological filtration tower not enough in the aspect of denitrification, and sulphur low price and sulphur component content are high moreover, and running cost is far less than and throws organic carbon source, is fit for carrying out nitrogen removal treatment to the sewage of low COD, high nitrate nitrogen. The utility model discloses it is simple to have process flow, reasonable in design, and process unit is small in quantity, and it is stable to handle out water, and the simple work load of operation maintenance is little, and the running cost is cheap, and the mud production volume is low, need not aeration facility and medicament and throw feeder apparatus, and occupation of land is little, is applicable to small-size sewage treatment station and uses.
Drawings
Fig. 1 is a process flow diagram of a treatment system for decentralized wastewater provided by the utility model.
Detailed Description
The present invention will be further described with reference to the following specific embodiments and accompanying drawings to facilitate understanding of the present invention.
As shown in fig. 1, the treatment system for decentralized wastewater provided by the present invention comprises a grid, a buffer tank, a sulfur denitrification filter, an ultraviolet disinfection tank, and a biological filtration tower, which are sequentially connected from a water inlet end to a water outlet end; the grid is for setting up in the grid board or the grid pond of the end of intaking of buffer pool one, and the buffer pool includes buffer pool one and buffer pool two that communicate in proper order from the end of intaking to the end of play water, all is equipped with the sewage pump in buffer pool one and the buffer pool two, and biological filter tower is located buffer pool one top and is linked together with buffer pool one. The sewage is communicated with a water inlet at the lower part of the first buffer tank through a grid, a water outlet at the upper part of the first buffer tank is communicated with a water inlet at the upper part of the biological filter tower, and the biological filter tower mainly has the function of removing organic carbon, ammonia nitrogen and total phosphorus. The biological filter tower adopts natural ventilation, and the biological reaction generates heat to form air convection, thereby increasing the supply of dissolved oxygen. And pumping the sewage in the first buffer tank to a water inlet at the upper part of the biological filter tower by using a sewage pump, and uniformly spraying the sewage on a carrier in the filter tower through a nozzle. The carrier of the biological filter tower is made of nano ceramic materials, is folded and hung vertically and serves as a carrier for culturing a biological membrane, and aerobic microorganisms and anaerobic microorganisms are attached to the surface of the carrier simultaneously. In the water flow spraying process, oxygen is dissolved in the water flow, and the water flow is contacted with microorganisms on the carrier, so that the effect of removing organic carbon, ammonia nitrogen and total phosphorus in the sewage is achieved through biological reaction. The water outlet at the lower part of the biological filter tower is communicated with the water inlet at the lower part of the first buffer tank, the water outlet at the upper part of the first buffer tank is communicated with the water inlet at the lower part of the second buffer tank, the water outlet at the upper part of the second buffer tank is communicated with the water inlet at the lower part of the sulfur denitrification filter tank, and the sulfur denitrification filter tank has the main functions of denitrification, removal of nitrate nitrogen in water and standard reaching of total nitrogen. The sulfur autotrophic denitrification filter is internally filled with a round hard filter material with the surface containing sulfur elementary substances, sulfur autotrophic denitrification bacteria are attached to the surface of the filter material, nitrate nitrogen in sewage can be removed by using the sulfur elementary substances in the filter material, and the sewage passes through the filter material from bottom to top and contacts with microorganisms attached to the surface of the filter material, so that the sewage is treated. The water outlet at the upper part of the sulfur denitrification filter tank is communicated with the water inlet of the ultraviolet disinfection tank, and the water outlet of the ultraviolet disinfection tank is communicated with the water outlet component.
When sewage automatically flows into a water inlet of the grid, after being intercepted by the grid, pollutants with large particle size are removed, subsequent facilities are prevented from being blocked, the sewage automatically flows into the first buffer tank from a water outlet of the grid, is lifted to a water inlet at the upper part of the biological filter tower through a sewage pump of the first buffer tank, the sewage is uniformly sprayed on a carrier inside the filter tower through a nozzle, the carrier of the biological filter tower is made of nano ceramic materials, is folded and hung vertically and serves as a carrier for biomembrane culture, and aerobic microorganisms and anaerobic microorganisms are simultaneously attached to the surface of the carrier. In the water flow spraying process, oxygen is dissolved in the water flow, the oxygen is contacted with microorganisms on the carrier, the effect of removing organic carbon, ammonia nitrogen and total phosphorus in sewage is achieved through biological reaction, the sewage after the biological reaction flows back to the first buffer tank through a water outlet of the biological filter tower, then the sewage enters the second buffer tank through a water outlet of the first buffer tank, the sewage is lifted to a water inlet at the lower part of the sulfur autotrophic denitrification biological filter tank through a sewage pump of the second buffer tank, the sewage passes through the filter material from bottom to top and is contacted with the microorganisms attached to the surface of the filter material to remove nitrate nitrogen in the sewage, finally the sewage enters the ultraviolet disinfection tank from a water outlet at the upper part of the sulfur autotrophic denitrification biological filter tank, and the sewage is discharged from a water outlet of the ultraviolet disinfection tank after being sterilized and disinfected to reach the standard.
The utility model discloses it is complicated effectively to avoid the technological process that prior art exists, the equipment facility is many, system power consumption is big, investment and the high technical problem of running cost, the utility model discloses a biological filtration tower combines together with sulphur autotrophic denitrification pond, and with strong points, sulphur autotrophic denitrification pond carries out the process of denitrification with sulphur as electron donor, can compensate biological filtration tower not enough in the aspect of denitrification, and sulphur low price and sulphur component content are high moreover, and running cost is far less than and throws organic carbon source, is fit for carrying out nitrogen removal treatment to the sewage of low COD, high nitrate nitrogen. The utility model discloses it is simple to have process flow, reasonable in design, and process unit is small in quantity, and it is stable to handle out water, and the simple work load of operation maintenance is little, and the running cost is cheap, and the mud production volume is low, need not aeration facility and medicament and throw feeder apparatus, and occupation of land is little, is applicable to small-size sewage treatment station and uses.
The present invention has been described in detail with reference to specific embodiments, and the description of the embodiments is only for the purpose of helping understanding the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A treatment system of decentralized sewage is characterized by comprising a grid, a buffer tank, a sulfur denitrification filter tank, an ultraviolet disinfection tank and a biological filter tower which are sequentially communicated from a water inlet end to a water outlet end; the biological filter tower is positioned above the first buffer tank and communicated with the first buffer tank.
2. The system for treating dispersed sewage according to claim 1, wherein the sewage is communicated with the water inlet at the lower part of the first buffer tank through the grille, the water outlet at the upper part of the first buffer tank is communicated with the water inlet at the upper part of the biological filtration tower, the water outlet at the lower part of the biological filtration tower is communicated with the water inlet at the lower part of the first buffer tank, the water outlet at the upper part of the first buffer tank is communicated with the water inlet at the lower part of the second buffer tank, the water outlet at the upper part of the second buffer tank is communicated with the water inlet at the lower part of the sulfur denitrification filter tank, the water outlet at the upper part of the sulfur denitrification filter tank is communicated with the water inlet of the ultraviolet disinfection tank, and the water outlet of the ultraviolet disinfection tank is communicated with the water outlet component.
3. The decentralized wastewater treatment system according to claim 2, wherein the grid is a grid plate or a grid basin disposed at the water inlet end of the first buffer basin.
4. The decentralized wastewater treatment system according to claim 2, wherein the carrier of the biological filter tower is made of nano ceramic material with aerobic microorganisms and anaerobic microorganisms attached to the surface.
5. The decentralized wastewater treatment system according to claim 2, wherein the filler filter material in the sulfur autotrophic denitrification filter is a circular hard filter material containing elemental sulfur, the surface of which is attached with sulfur autotrophic denitrifying bacteria.
6. The decentralized wastewater treatment system according to claim 2, wherein a wastewater pump is disposed in each of the first buffer tank and the second buffer tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022153042.2U CN214142004U (en) | 2020-09-27 | 2020-09-27 | Treatment system of decentralized sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022153042.2U CN214142004U (en) | 2020-09-27 | 2020-09-27 | Treatment system of decentralized sewage |
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| Publication Number | Publication Date |
|---|---|
| CN214142004U true CN214142004U (en) | 2021-09-07 |
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| CN202022153042.2U Active CN214142004U (en) | 2020-09-27 | 2020-09-27 | Treatment system of decentralized sewage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142260A (en) * | 2020-09-27 | 2020-12-29 | 北京恩菲环保股份有限公司 | Treatment system and method for decentralized sewage |
| CN115259351A (en) * | 2022-09-29 | 2022-11-01 | 山东国一中永环保技术服务有限公司 | Nano ceramic-micro-oxysulfide-coupled double-membrane-tower sewage treatment system |
-
2020
- 2020-09-27 CN CN202022153042.2U patent/CN214142004U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142260A (en) * | 2020-09-27 | 2020-12-29 | 北京恩菲环保股份有限公司 | Treatment system and method for decentralized sewage |
| CN115259351A (en) * | 2022-09-29 | 2022-11-01 | 山东国一中永环保技术服务有限公司 | Nano ceramic-micro-oxysulfide-coupled double-membrane-tower sewage treatment system |
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