CN106517671A - Wastewater treating system suitable for high-cold and anoxic regions - Google Patents
Wastewater treating system suitable for high-cold and anoxic regions Download PDFInfo
- Publication number
- CN106517671A CN106517671A CN201611180551.6A CN201611180551A CN106517671A CN 106517671 A CN106517671 A CN 106517671A CN 201611180551 A CN201611180551 A CN 201611180551A CN 106517671 A CN106517671 A CN 106517671A
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- Prior art keywords
- well reactor
- pipe
- cell body
- deep well
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002351 wastewater Substances 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000004062 sedimentation Methods 0.000 claims abstract description 29
- 238000005273 aeration Methods 0.000 claims abstract description 26
- 239000010865 sewage Substances 0.000 claims description 42
- 210000005056 cell body Anatomy 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 12
- 238000010564 aerobic fermentation Methods 0.000 claims 1
- 239000010802 sludge Substances 0.000 abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 11
- 239000001301 oxygen Substances 0.000 abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 abstract description 11
- 238000010992 reflux Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 238000004065 wastewater treatment Methods 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 229960004424 carbon dioxide Drugs 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000002906 microbiologic effect Effects 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000010044 Hernandia moerenhoutiana Nutrition 0.000 description 1
- 244000084296 Hernandia moerenhoutiana Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 244000304222 Melaleuca cajuputi Species 0.000 description 1
- 235000001167 Melaleuca cajuputi Nutrition 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a wastewater treating system suitable for high-cold and anoxic regions. A deep-well reactor is composed of a deep-well reactor pool body and a three-phase separator. The deep-well reactor pool body is located underground, and the three-phase separator is located at the upper portion of the pool body and above the ground; a water feeding pipe is arranged in the deep-well reactor pool body; an air compressor is connected with high-pressure aeration pipes, the two high-pressure aeration pipes are arranged in the deep-well reactor pool body and the water feeding pipe respectively, and the depth of the two high-pressure aeration pipes and the depth of the water feeding pipe are same; am air exhausting pipe is arranged at the top of the three-phase separator, a water discharging pipe arranged at the upper portion of the three-phase separator is connected with a sedimentation pool, a sedimentation-pool water draining pipe is arranged at the upper portion of the sedimentation pool, a sludge reflux pipe is arranged at the bottom of the sedimentation pool and connected with the water feeding pipe. The deep-well reactor pool body of the wastewater treating system is located underground, and the problem that the water temperature of the wastewater treating system in the high-cold and anoxic regions is low is solved; the aeration rate is increased through a high-pressure aeration system, the defect that the dissolved oxygen amount of the wastewater treating system in the high-cold and anoxic regions is insufficient is overcome, and sufficient dissolved oxygen is provided for biological wastewater treatment.
Description
Technical field
The present invention relates to a kind of be applied to alpine and anoxic region sewage disposal system, belong to water-treatment technology field.
Background technology
Qinghai-Tibet Platean is located at the Northern Hemisphere torrid zone, temperate climate intermediate zone, and height above sea level, rarefaction of air, air pressure are low and the temperature difference is big,
Average temperature of the whole year is low, has particular/special requirement to sewage disposal system and treatment technology.Temperature and oxygen content are to maintain severe cold region ground
The major issue that area's sewerage is normally run, the method for solving alpine and anoxic region sewage disposal system low temperature and anoxia have：
One, start to suppress the thermal loss of water body from source；2nd, air blast air demand is higher than plains region.It is required that sewage disposal system has
Preferable heat insulating ability and higher air demand.Therefore, a kind of sewage disposal system suitable for alpine and anoxic region be must
Few.
Traditional sewage disposal system, builds roof insulating or warmhouse booth using adding, and reduces the loss of temperature, in such as fragrant lattice
Municipal sewage plant and cajaput sewage treatment plant are drawn, air heater is installed using aerator escape pipe also, by control
Heating air keeps the temperature in Aeration tank.This sewage disposal system compared with traditional wastewater processing system, deep well reactor
Cell body is located underground, it is to avoid water body heat-energy losses, while reducing the floor space of structures, reduces the throwing of capital cost
Money.The high pressure aeration system being made up of air compressor and high pressure aeration pipe, the biological treatment for sewage provide enough dissolvings
Oxygen.Have the advantages that high treating effect, energy consumption be low, convenient management, be capable of achieving large-scale.
The content of the invention
The present invention is applied to alpine and anoxic region sewage disposal system for a kind of, and the system is exposed by water pump, deep well reactor
Gas system, sedimentation tank composition.Sewage enters deep well reactor by water inlet pipe, in high pressure aeration system is sewage provides enough molten
Under conditions of solution oxygen, by the effect of aerobic microbiological in returned sludge, by the organic matter degradation in sewage be carbon dioxide and
Then water, undissolved air and a part of sludge are separated by water using three phase separator；Water after process enters Sedimentation tank,
Jing after mud-water separation, supernatant qualified discharge, a part of sludge Jing mud return lines of Sedimentation tank bottom of pond enter water inlet pipe.
For achieving the above object, the technical solution used in the present invention is：
It is a kind of to be applied to alpine and anoxic region sewage disposal system, constitute deep by deep well reactor cell body and three phase separator
Well reactor, deep well reactor cell body locate below ground level, and three phase separator is located at cell body top, more than ground；Water inlet pipe sets
Put in deep well reactor cell body；Air compressor and the connection of high pressure aeration pipe, two high pressure aeration pipes are separately positioned on deep-well
In reactor cell body and water inlet pipe, and depth is identical with water inlet pipe；There is exhaustor at the top of three phase separator, on three phase separator
The outlet pipe that portion is arranged is connected with Sedimentation tank, and sedimentation tank top sets sedimentation tank drain pipe, and Sedimentation tank bottom is provided with sludge reflux
Pipe, mud return line are connected with water inlet pipe.
The deep well reactor cell body locates below ground level 30-100m.
Distance of the water inlet pipe apart from deep well reactor cell body bottom is 1-5m.
The air compressor provides the pressure for being not less than 1.2Mpa.
It is described as follows：
Sewage disposal system is by water pump, deep well reactor, aerating system, sedimentation tank composition.Sewage enters deep by water pump
Well reactor, high pressure aeration systemic effect are to provide enough dissolved oxygen for the biological treatment of sewage.Deep well reactor is used for dirt
The aerobic decomposition of water, the water after process enter Sedimentation tank.Sedimentation tank effect is to carry out mud-water separation.
Present invention control sewage enters deep well reactor by water inlet pipe, provides enough dissolving for sewage in high pressure aeration system
Under conditions of oxygen, by the effect of aerobic microbiological in returned sludge, the organic matter degradation in sewage is carbon dioxide and water, so
Water, undissolved air and a part of sludge are separated using three phase separator afterwards, gas Jing three phase separator top vent pipes
Discharge；Water after process enters Sedimentation tank, Jing after mud-water separation, supernatant qualified discharge, and a part of sludge of Sedimentation tank bottom of pond
Jing mud return lines enter water inlet pipe.
Compared with prior art, the invention has the beneficial effects as follows
(1) compared with traditional wastewater processing system, the cell body of the deep well reactor of the system is located underground, reduces sewage
With the time of contact of external environment, reduce heat loss amount from source, keep the relative constancy of water temperature, solve severe cold region ground
The relatively low problem of the water temperature of area's sewage disposal system, beneficial to the stable operation of biologic process for treating sewage.
(2) cell body is located underground, reduces floor space, and noise is little, saves land resource, reduces the throwing of capital cost
Money；
(3) the high pressure aeration system being made up of air compressor and high pressure aeration pipe, increased aeration rate, improve high and cold lacking
The not enough shortcoming of oxygen regional waste-water processing system dissolved oxygen amount, the biological treatment for sewage provide enough dissolved oxygen, greatly improve
The treatment effeciency of sewage, sewage load are capable of achieving large-scale.
Description of the drawings
Fig. 1：The system structure diagram of the present invention；
Wherein：1. high pressure aeration pipe, 2. air compressor, 3. three phase separator, 4. exhaustor, 5. outlet pipe, 6. settles
Pond drain pipe, 7. Sedimentation tank, 8. mud return line, 9. water inlet pipe, 10. deep well reactor cell body.
Specific embodiment
The present invention is further described below in conjunction with drawings and Examples：
It is as shown in Figure 1 suitable for alpine and anoxic region sewage disposal system, it is by 1. high pressure aeration pipes, 2. air compression
Machine, 3. three phase separator, 4. exhaustor, 5. outlet pipe, 6. Sedimentation tank drain pipe, 7. Sedimentation tank, 8. mud return line, 9. intakes
Manage, 10. deep well reactor cell body is constituted.Deep well reactor is constituted by deep well reactor cell body 10 and three phase separator 3, deep-well is anti-
Device cell body is answered to locate below ground level, three phase separator is located at cell body top, more than ground；Water inlet pipe 9 is arranged on deep well reactor
In cell body；Air compressor 2 and high pressure aeration pipe 1 connect, two high pressure aeration pipes be separately positioned on deep well reactor cell body and
In water inlet pipe 9, and depth is identical with water inlet pipe；Exhaustor 4 is set at the top of three phase separator, what three phase separator top was arranged goes out
Water pipe 5 is connected with Sedimentation tank 7, and sedimentation tank top sets sedimentation tank drain pipe 6, and Sedimentation tank bottom is provided with mud return line 8, sludge
Return duct is connected with water inlet pipe 9.
Sewage enters deep well reactor cell body 10 by water inlet pipe 9, and air compressor 2 and high pressure aeration pipe 1 are to carry in sewage
Under conditions of for enough dissolved oxygen, by the effect of aerobic microbiological in returned sludge 8, it is two by the organic matter degradation in sewage
Then water, undissolved air and a part of sludge are separated, gas Jing three-phase separates by carbonoxide and water using three phase separator 3
Discharge from device top vent pipe 4；Water after process enters Sedimentation tank 7, Jing after mud-water separation, supernatant Jing Sedimentation tank drain pipies
6 qualified discharges, a part of sludge Jing mud return lines 8 of 7 bottom of pond of Sedimentation tank enter water inlet pipe 9.
Below in conjunction with exemplary embodiments, the invention will be further described.
Embodiment 1 processes the city domestic sewage of Qinghai-xizang Plateau Region, influent COD using above-mentioned processing system：280-
400mg/L, reactor water inlet are 1.0m/h, and biological processing unit is using active sludge biological handling process, the water conservancy time of staying
For 8h, sludge age is 25d, and aeration control determines its water outlet COD after 7-10mg/L, reactor stable operation.Its water outlet COD
≤ 30mg/L, it can be seen that the present invention provide suitable for alpine and anoxic region sewage disposal system to city domestic sewage
Organic substance have higher clearance.
Embodiment 2 processes extremely frigid zones urban residents' sanitary sewage, influent COD with above-mentioned processing system：200-450mg/
L, NH4 +-N：20-90mg/L, reactor water inlet are 1.0m/h, and biological processing unit is using active sludge biological handling process, water
The sharp time of staying is 8h, and sludge age is 25d, and aeration control determines its water outlet after 7-10mg/L, reactor stable operation
COD.Its water outlet COD≤20mg/L, NH4 +-N≤20mg/L.As can be seen that present invention offer is dirty suitable for alpine and anoxic region
Water treatment system has higher clearance to the Organic substance in urban residents' sanitary sewage.
Embodiment 3 processes the sanitary sewage that feces are contained in Qinghai-xizang Plateau Region, influent COD using above-mentioned processing system：
300-500mg/L, NH4 +-N：40-60mg/L, reactor water inlet are 1.0m/h, and biological processing unit is using at active sludge biological
Science and engineering skill, the water conservancy time of staying are 8h, and aeration control determines its water outlet COD after 8-10mg/L, reactor stable operation.Its
Water outlet COD≤40mg/L, water outlet NH4 +- N≤20mg/L can be seen that the present invention offer suitable for alpine and anoxic region sewage
Processing system is to having higher clearance containing the Organic substance and ammonia nitrogen in feces sanitary sewage.
Claims (4)
1. it is a kind of to be applied to alpine and anoxic region sewage disposal system, it is characterized in that by deep well reactor cell body and three phase separator
Composition deep well reactor, deep well reactor cell body locate below ground level, and three phase separator is located at cell body top, more than ground；Enter
Water pipe is arranged in deep well reactor cell body；Air compressor and the connection of high pressure aeration pipe, two high pressure aeration pipes are respectively provided with
In deep well reactor cell body and water inlet pipe, and depth is identical with water inlet pipe；Exhaustor, three-phase separate are set at the top of three phase separator
The outlet pipe arranged from device top is connected with Sedimentation tank, and sedimentation tank top sets sedimentation tank drain pipe, and Sedimentation tank bottom is provided with dirt
Mud return duct, mud return line are connected with water inlet pipe.
2. the system as claimed in claim 1, is characterized in that deep well reactor cell body locates below ground level 30-100m.
3. the system as claimed in claim 1, it is characterized in that aerobic fermentation water inlet pipe apart from deep well reactor cell body bottom away from
From for 1-5m.
4. it is a kind of to be applied to alpine and anoxic region sewage water treatment method, it is characterized in that air compressor is provided and be not less than 1.2Mpa's
Pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180551.6A CN106517671A (en) | 2016-12-19 | 2016-12-19 | Wastewater treating system suitable for high-cold and anoxic regions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180551.6A CN106517671A (en) | 2016-12-19 | 2016-12-19 | Wastewater treating system suitable for high-cold and anoxic regions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106517671A true CN106517671A (en) | 2017-03-22 |
Family
ID=58339588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611180551.6A Pending CN106517671A (en) | 2016-12-19 | 2016-12-19 | Wastewater treating system suitable for high-cold and anoxic regions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106517671A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921837A (en) * | 2019-12-02 | 2020-03-27 | 中国中元国际工程有限公司 | Biological efficient phosphorus removal and anti-blocking engineering wetland system and method suitable for low-temperature environment |
| CN113292209A (en) * | 2021-06-28 | 2021-08-24 | 天津市华博水务有限公司 | Shaft type sewage treatment equipment |
| CN113788548A (en) * | 2021-09-26 | 2021-12-14 | 苏州金泽环境发展有限公司 | Oxygen deficiency deep well aeration equipment that town sewage was experimental used |
| CN113896320A (en) * | 2021-09-23 | 2022-01-07 | 苏州金泽水资源环境研究有限公司 | Deep well aeration test device capable of simulating high-pressure low-temperature anaerobism |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62286599A (en) * | 1986-06-05 | 1987-12-12 | Osaka Gas Co Ltd | Treatment of waste water with activated sludge |
| CN1521131A (en) * | 2003-02-13 | 2004-08-18 | �Ϻ���Դ�����Ƽ���������˾ | Biochemical reactor for treating sewage |
| CN1772652A (en) * | 2005-10-14 | 2006-05-17 | 北京工业大学 | Technological process and apparatus of serial gas stripping inner circulation reactor |
| CN101786730A (en) * | 2010-03-18 | 2010-07-28 | 太原大学 | Method and equipment for cross backflow two-stage double-expansion granular sludge treatment of coking wastewater |
| CN102745865A (en) * | 2012-07-16 | 2012-10-24 | 绍兴文理学院 | Deep well aeration sewage treatment method |
| CN103508557A (en) * | 2012-06-19 | 2014-01-15 | 绍兴深水环保设备有限公司 | Activated sludge bed reaction treatment method and device |
| CN203904058U (en) * | 2014-06-18 | 2014-10-29 | 浙江新国富环保科技有限公司 | Deep well aeration device |
| CN105502869A (en) * | 2015-12-01 | 2016-04-20 | 山东建筑大学 | Process for both reducing sludge and recovering phosphorus |
| CN206352102U (en) * | 2016-12-19 | 2017-07-25 | 天津大学 | One kind is applied to alpine and anoxic region sewage disposal system |
-
2016
- 2016-12-19 CN CN201611180551.6A patent/CN106517671A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62286599A (en) * | 1986-06-05 | 1987-12-12 | Osaka Gas Co Ltd | Treatment of waste water with activated sludge |
| CN1521131A (en) * | 2003-02-13 | 2004-08-18 | �Ϻ���Դ�����Ƽ���������˾ | Biochemical reactor for treating sewage |
| CN1772652A (en) * | 2005-10-14 | 2006-05-17 | 北京工业大学 | Technological process and apparatus of serial gas stripping inner circulation reactor |
| CN101786730A (en) * | 2010-03-18 | 2010-07-28 | 太原大学 | Method and equipment for cross backflow two-stage double-expansion granular sludge treatment of coking wastewater |
| CN103508557A (en) * | 2012-06-19 | 2014-01-15 | 绍兴深水环保设备有限公司 | Activated sludge bed reaction treatment method and device |
| CN102745865A (en) * | 2012-07-16 | 2012-10-24 | 绍兴文理学院 | Deep well aeration sewage treatment method |
| CN203904058U (en) * | 2014-06-18 | 2014-10-29 | 浙江新国富环保科技有限公司 | Deep well aeration device |
| CN105502869A (en) * | 2015-12-01 | 2016-04-20 | 山东建筑大学 | Process for both reducing sludge and recovering phosphorus |
| CN206352102U (en) * | 2016-12-19 | 2017-07-25 | 天津大学 | One kind is applied to alpine and anoxic region sewage disposal system |
Non-Patent Citations (1)
| Title |
|---|
| 北京市市政工程设计研究总院主编: "《给水排水设计手册 第5册 城镇排水 第二版》", 29 February 2004, 中国建筑工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921837A (en) * | 2019-12-02 | 2020-03-27 | 中国中元国际工程有限公司 | Biological efficient phosphorus removal and anti-blocking engineering wetland system and method suitable for low-temperature environment |
| CN113292209A (en) * | 2021-06-28 | 2021-08-24 | 天津市华博水务有限公司 | Shaft type sewage treatment equipment |
| CN113896320A (en) * | 2021-09-23 | 2022-01-07 | 苏州金泽水资源环境研究有限公司 | Deep well aeration test device capable of simulating high-pressure low-temperature anaerobism |
| CN113896320B (en) * | 2021-09-23 | 2023-02-17 | 苏州金泽环境发展有限公司 | Deep well aeration test device capable of simulating high-pressure low-temperature anaerobism |
| CN113788548A (en) * | 2021-09-26 | 2021-12-14 | 苏州金泽环境发展有限公司 | Oxygen deficiency deep well aeration equipment that town sewage was experimental used |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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