CN211896247U - Sequencing batch type micro-power sewage treatment device - Google Patents
Sequencing batch type micro-power sewage treatment device Download PDFInfo
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- CN211896247U CN211896247U CN202020163693.7U CN202020163693U CN211896247U CN 211896247 U CN211896247 U CN 211896247U CN 202020163693 U CN202020163693 U CN 202020163693U CN 211896247 U CN211896247 U CN 211896247U
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- 239000010865 sewage Substances 0.000 title claims abstract description 43
- 238000012163 sequencing technique Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000005273 aeration Methods 0.000 claims abstract description 29
- 239000010802 sludge Substances 0.000 claims description 6
- 238000004065 wastewater treatment Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 51
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 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 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Physical Water Treatments (AREA)
Abstract
The utility model discloses a sequencing batch type micro-power sewage treatment device, which comprises a first chamber and a second chamber; the first bin is communicated with the second bin through a water pipe, the first bin is provided with a water inlet, and the second bin is provided with a water outlet; the water inlet of the water passing pipe faces the bottom surface of the inner cavity of the first chamber, and the water outlet of the water passing pipe is communicated with the inner cavity of the second chamber; an aeration pipeline with an aeration disc is arranged at the bottom of the inner cavity of the second chamber, a gas pipe is arranged in the second chamber, the bottom of the gas pipe is communicated with the aeration pipeline, and the top of the gas pipe is externally connected with a fan; and the second cabin is also internally provided with an air-lifting mud returning device, the air-lifting mud returning device comprises an air-lifting air inlet pipe and an air-lifting mud returning pipe, the top of the air-lifting air inlet pipe is communicated with the upper part of the air delivery pipe, the bottom of the air-lifting air inlet pipe stretches into the air-lifting mud returning pipe from the bottom of the air-lifting mud returning pipe, and the top end of the air-lifting mud returning pipe stretches into the inner cavity of the first cabin and the outlet of the air-lifting mud returning pipe faces the bottom surface of the.
Description
Technical Field
The utility model belongs to the technical field of water treatment, concretely relates to little power sewage treatment plant of sequencing batch.
Background
Municipal domestic sewage treatment is usually carried out by collecting through pipelines or ditches and then establishing a sewage treatment station to purify the collected sewage. The investment of the sewage collection project in the densely populated area accounts for more than 70 percent of the investment of the sewage treatment project, and if the population is thin or widely dispersed, the proportion of the investment of the sewage collection project in the sewage treatment project is also increased, so that the investment is easy to be overlarge, and the project economy is poor. And the conventional municipal sewage treatment technology is often more in structures and equipment, and is not suitable for places with thin population or wide dispersion because of high operation and maintenance cost. Therefore, aiming at the dispersed sewage treatment project, the investment of the collection project and the operation and maintenance cost need to be reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at overcoming prior art's is not enough, to distributed sewage treatment device's demand, provide a little power sewage treatment plant of sequencing batch, the device area is little, and the treatment effect is good, and simple structure is fit for distributed sewage treatment engineering and installs the use on the spot, has avoided sewage to concentrate the investment of collecting and bringing, provides a simple sewage treatment facility is maintained in the operation simultaneously.
In order to achieve the above purpose, the utility model provides a technical scheme does:
the sequencing batch micro-power sewage treatment device comprises a first chamber (1) and a second chamber (2); the first bin (1) is communicated with the second bin (2) through a water pipe (3), the first bin (1) is provided with a water inlet, and the second bin (2) is provided with a water outlet; the water inlet of the water passing pipe (3) faces the bottom surface of the inner cavity of the first chamber (1), and the water outlet of the water passing pipe (3) is communicated with the inner cavity of the second chamber (2); an aeration pipeline (5) with an aeration disc (4) is arranged at the bottom of the inner cavity of the second bin (2), a gas pipe (6) is arranged in the second bin (2), the bottom of the gas pipe (6) is communicated with the aeration pipeline (5), and the top of the gas pipe (6) is externally connected with a fan; still be equipped with the air stripping in second bin (2) and return mud device, the air stripping returns mud device and includes that air stripping intake pipe (7) and air stripping return mud pipe (8), the upper portion intercommunication of air stripping intake pipe (7) top and gas-supply pipe (6), the bottom of air stripping intake pipe (7) is followed the bottom that air stripping returns mud pipe (8) and is stretched into air stripping and return mud pipe (8) in, air stripping returns mud pipe (8) top and is stretched into first bin (1) inner chamber and air stripping and returns the export of mud pipe (8) and towards first bin (1) inner chamber bottom surface.
Preferably, the tops of the first bin (1) and the second bin (2) are both provided with an access hole (9).
Preferably, the distance between the water inlet of the water passing pipe (3) and the bottom surface of the inner cavity of the first chamber (1) is 500-600 mm.
Preferably, the bottom of the gas-stripping mud-returning pipe (8) is flared open.
Preferably, the top end of the gas stripping mud return pipe (8) is in an inverted U shape, and one end of the inverted U-shaped structure extends into the inner cavity of the first bin (1).
Preferably, the aeration disc (4) is a microporous aeration disc.
Preferably, the specification of the gas stripping air inlet pipe (7) is DN25, and the specification of the gas stripping mud return pipe (8) is DN50-DN 65.
Preferably, the diameter of the water inlet of the first chamber (1) is less than or equal to that of the water outlet of the second chamber (2).
The following further description of the present invention:
sequencing batch formula fine motion power sewage treatment plant wholly adopts the FRP material, mainly divide into two bins.
The first chamber mainly has the functions of regulating water quantity and homogenizing water quality, and simultaneously has the function of denitrification. A water inlet, a water pipe, an access hole and a gas stripping mud returning pipe extending from the second chamber are arranged in the first chamber. The aperture of the water inlet is about 200 plus 300mm, and can be adjusted according to the pipe diameter of the water inlet pipe. The water passing pipe is made of UPVC material, and the distance between the opening of the water passing pipe vertically downwards and upwards and the bottom of the device is about 500-600 mm. The first bin and the second bin are mainly connected through water pipes. The access hole size is 800mm, and the material adopts compound resin apron, and if the water inlet position is lower, the access hole can adopt plastic casing to increase to ground department.
The second chamber mainly plays two roles of aerobic reaction and precipitation separation. The second chamber is internally provided with a set of air-lifting mud-returning device, an aeration disc, a gas pipe, a water outlet and an access hole. The gas stripping mud returning device comprises a gas stripping gas inlet pipe and a gas stripping mud returning pipe, wherein the gas stripping gas inlet pipe is connected with the upper part of the gas conveying pipe through a pipe fitting by adopting a pipeline with the diameter of DN25, and the bottom of the gas stripping gas inlet pipe is semicircular and extends into the gas stripping mud returning pipe. The gas-stripping mud returning pipe adopts a pipeline with the diameter of DN50-DN65, the bottom of the pipe is provided with a horn opening, and the top of the pipe is inverted U-shaped and extends into the first chamber. The upper part of the gas pipe is connected with a fan, and the lower part is connected with an aeration pipeline provided with an aeration disc. The aeration disc adopts a micropore aeration disc, the diameter of the aeration disc is 215mm, and ethylene propylene diene monomer is used as a material. The water outlet is connected with a water outlet pipeline, and the diameter of the water outlet is not less than that of the water inlet. The second bin access opening is identical to the first bin access opening.
Under the working condition, sewage enters the sequencing batch micro-power sewage treatment device through the water inlet, the water quantity is regulated in the first bin at present, the water quality is homogenized, and meanwhile, nitrate nitrogen in mud lifted and delivered by the microorganisms in the first bin is converted into nitrogen through denitrification. The sewage stays in the first chamber for a period of time and then enters the second chamber through the water pipe.
After the sewage enters the second bin, if the fan is started for aeration, the sewage is subjected to aerobic reaction, COD and ammonia nitrogen in the water are degraded, meanwhile, a part of gas enters the gas stripping mud return pipe through the gas stripping gas inlet pipe, and because a large amount of gas exists at the bottom of the gas stripping mud return pipe, the density of the region is reduced, the bell mouth of the gas stripping mud return pipe floats upwards, and finally the gas stripping mud return pipe enters the first bin, the sludge and the sewage at the bottom of the second bin are conveyed to the first bin, and the sludge and the sewage are subjected to denitrification reaction in the first bin. When the aeration is stopped, the air stripping mud return is stopped, the sedimentation separation is started in the second chamber, the sewage at the upper part of the second chamber is clarified, the sludge sinks, and if the sewage enters from the water inlet of the first chamber, the sewage at the upper part of the second chamber passes through the plug flow discharge system. At this time, the whole purification process of the sewage is completed.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the whole equipment only consumes one small-power fan, so that the energy consumption is low and the equipment structure is simple;
(2) the second chamber is built into a sequencing batch reactor by starting and stopping the fan, and aeration, sludge nitrification liquid reflux and precipitation separation are realized in the reaction chamber with a simple structure, so that pollutants in the sewage are removed;
(3) the integrated treatment system has the advantages of high integration degree, small occupied area, good treatment effect and simple construction, operation and maintenance, is suitable for treating distributed domestic sewage with high effluent quality, and is very suitable for dispersed villages, villas and vacation tourist areas.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a first chamber; 2. a second chamber; 3. a water pipe; 4. an aeration disc; 5. an aeration line; 6. a gas delivery pipe; 7. gas stripping gas inlet pipe; 8. gas is stripped back to the mud pipe; 9. and (6) an access hole.
Detailed Description
Referring to fig. 1, the sequencing batch type micro-power sewage treatment device comprises a first chamber 1 and a second chamber 2; the first bin 1 is communicated with the second bin 2 through a water pipe 3, the first bin 1 is provided with a water inlet, and the second bin 2 is provided with a water outlet; the water inlet of the water pipe 3 faces the bottom surface of the inner cavity of the first chamber 1, and the water outlet of the water pipe 3 is communicated with the inner cavity of the second chamber 2; an aeration pipeline 5 with an aeration disc 4 is arranged at the bottom of the inner cavity of the second chamber 2, a gas pipe 6 is arranged in the second chamber 2, the bottom of the gas pipe 6 is communicated with the aeration pipeline 5, and the top of the gas pipe 6 is externally connected with a fan; the second bin 2 is also internally provided with a gas stripping mud returning device, the gas stripping mud returning device comprises a gas stripping gas inlet pipe 7 and a gas stripping mud returning pipe 8, the top of the gas stripping gas inlet pipe 7 is communicated with the upper part of the gas conveying pipe 6, the bottom of the gas stripping gas inlet pipe 7 extends into the gas stripping mud returning pipe 8 from the bottom of the gas stripping mud returning pipe 8, and the top end of the gas stripping mud returning pipe 8 extends into the inner cavity of the first bin 1, and the outlet of the gas stripping mud returning pipe 8 faces the bottom surface of the inner cavity of the first bin 1.
And the tops of the first bin 1 and the second bin 2 are provided with access holes 9. The water inlet of the water passing pipe 3 is 500-600mm away from the bottom surface of the inner cavity of the first chamber 1. The bottom of the gas-stripping mud return pipe 8 is flared open. The top end of the gas stripping mud returning pipe 8 is in an inverted U shape, and one end of the inverted U-shaped structure extends into the inner cavity of the first bin 1. The aeration disc 4 is a microporous aeration disc. The specification of the gas stripping air inlet pipe 7 is DN25, and the specification of the gas stripping mud return pipe 8 is DN50-DN 65. The diameter of the water inlet of the first chamber 1 is less than or equal to that of the water outlet of the second chamber 2.
Domestic sewage is treated by the sequencing batch type micro-power sewage treatment device, COD at the effluent can be reduced by more than 80%, ammonia nitrogen can be reduced by more than 60%, total nitrogen can be reduced by more than 40%, and the effluent can reach the first-level B standard in discharge Standard of pollutants for municipal wastewater treatment plants. The energy consumption of the equipment is only the energy consumption of the fan.
Claims (8)
1. A sequencing batch type micro-power sewage treatment device is characterized by comprising a first chamber (1) and a second chamber (2); the first bin (1) is communicated with the second bin (2) through a water pipe (3), the first bin (1) is provided with a water inlet, and the second bin (2) is provided with a water outlet; the water inlet of the water passing pipe (3) faces the bottom surface of the inner cavity of the first chamber (1), and the water outlet of the water passing pipe (3) is communicated with the inner cavity of the second chamber (2); an aeration pipeline (5) with an aeration disc (4) is arranged at the bottom of the inner cavity of the second bin (2), a gas pipe (6) is arranged in the second bin (2), the bottom of the gas pipe (6) is communicated with the aeration pipeline (5), and the top of the gas pipe (6) is externally connected with a fan; still be equipped with the air stripping in second bin (2) and return mud device, the air stripping returns mud device and includes that air stripping intake pipe (7) and air stripping return mud pipe (8), the upper portion intercommunication of air stripping intake pipe (7) top and gas-supply pipe (6), the bottom of air stripping intake pipe (7) is followed the bottom that air stripping returns mud pipe (8) and is stretched into air stripping and return mud pipe (8) in, air stripping returns mud pipe (8) top and is stretched into first bin (1) inner chamber and air stripping and returns the export of mud pipe (8) and towards first bin (1) inner chamber bottom surface.
2. The sequencing batch micropower sewage treatment plant according to claim 1, wherein the first (1) and second (2) chambers are each provided with access openings (9) at the top.
3. The sequencing batch type micro-power sewage treatment plant as claimed in claim 1, wherein the water inlet of the water pipe (3) is 500-600mm away from the bottom surface of the inner cavity of the first chamber (1).
4. The sequencing batch micro-power wastewater treatment plant according to claim 1, wherein the bottom of the gas stripping return sludge pipe (8) is flared open.
5. The sequencing batch micro-power sewage treatment plant according to claim 1, wherein the top end of the gas stripping sludge return pipe (8) is in an inverted U shape, and one end of the inverted U-shaped structure extends into the inner cavity of the first chamber (1).
6. The sequencing batch micropower sewage treatment plant of claim 1 wherein said aeration discs (4) are microporous aeration discs.
7. The sequencing batch micro-power sewage treatment plant according to claim 1, wherein the specification of the gas stripping air inlet pipe (7) is DN25, and the specification of the gas stripping mud return pipe (8) is DN50-DN 65.
8. The sequencing batch micropower sewage treatment plant of claim 1 wherein the diameter of the water inlet of the first chamber (1) is less than or equal to the diameter of the water outlet of the second chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020163693.7U CN211896247U (en) | 2020-02-12 | 2020-02-12 | Sequencing batch type micro-power sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020163693.7U CN211896247U (en) | 2020-02-12 | 2020-02-12 | Sequencing batch type micro-power sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211896247U true CN211896247U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020163693.7U Active CN211896247U (en) | 2020-02-12 | 2020-02-12 | Sequencing batch type micro-power sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211896247U (en) |
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2020
- 2020-02-12 CN CN202020163693.7U patent/CN211896247U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210705 Address after: 410199 201, building 2, District 6, shanxianling community, Xingsha street, Changsha County, Changsha City, Hunan Province Patentee after: Hunan Luze huanchuang Environmental Engineering Co.,Ltd. Address before: 410000 12 / F, building 2, Yingxiang spring Plaza, 220 Fuyuan West Road, Kaifu District, Changsha City, Hunan Province Patentee before: Chen Fujun |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231012 Address after: Room 1201-1232, Building 1 and 2, Phase 2, Yingxiangyuan, No. 220 Fuyuan West Road, Liuyanghe Street, Kaifu District, Changsha City, Hunan Province, 410000 Patentee after: Hunan haiweiyuan Environmental Protection Technology Co.,Ltd. Address before: 410199 201, building 2, District 6, shanxianling community, Xingsha street, Changsha County, Changsha City, Hunan Province Patentee before: Hunan Luze huanchuang Environmental Engineering Co.,Ltd. |