CN112661267A - Single-power sewage treatment system and sewage treatment tank thereof - Google Patents
Single-power sewage treatment system and sewage treatment tank thereof Download PDFInfo
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- CN112661267A CN112661267A CN202011508390.5A CN202011508390A CN112661267A CN 112661267 A CN112661267 A CN 112661267A CN 202011508390 A CN202011508390 A CN 202011508390A CN 112661267 A CN112661267 A CN 112661267A
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- 239000010865 sewage Substances 0.000 title claims abstract description 189
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 39
- 239000001301 oxygen Substances 0.000 claims abstract description 39
- 238000004062 sedimentation Methods 0.000 claims abstract description 27
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 19
- 238000005273 aeration Methods 0.000 claims description 35
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 29
- 238000004065 wastewater treatment Methods 0.000 claims description 10
- 239000010802 sludge Substances 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 description 15
- 238000000926 separation method Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 206010021143 Hypoxia Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention relates to a single-power sewage treatment system and a sewage treatment tank thereof, wherein the sewage treatment tank is divided into a sedimentation area and a sewage treatment area which are arranged in parallel from front to back by a treatment tank partition wall, the sewage treatment area is divided into at least two treatment subareas which are arranged in parallel along the front-back direction by a partition wall, one end of the treatment subarea positioned at the upstream in the sewage direction is communicated with the adjacent end of the treatment subarea positioned at the downstream in the adjacent two treatment subareas, the treatment subareas respectively comprise at least two sewage treatment units which are sequentially arranged along the sewage direction, each sewage treatment unit comprises an air thrust area, a low-oxygen area and an anaerobic area which are sequentially arranged along the sewage direction, the sewage treatment unit positioned at the uppermost stream position is provided with a water inlet, and the sewage treatment unit positioned at the lowermost stream is communicated with one end of the sedimentation. The invention solves the technical problem that the arrangement of the stirrer in the prior art can increase the complexity of the equipment structure.
Description
Technical Field
The invention relates to a single-power sewage treatment system and a sewage treatment tank thereof in the field of sewage treatment.
Background
With the development of society, the problem of water resource shortage is becoming more serious, and water becomes an important factor for restricting the development of society. Therefore, the method is particularly important for treating various sewage such as rural domestic sewage, municipal sewage, park sewage, industrial wastewater and the like.
The biological sewage treating process is one of the common sewage treating processes, also called as active sludge process, and has basic sewage treating mode including separating sewage treating pond into several functional areas, including anaerobic area, low oxygen aerating area, depositing area, etc. and degrading pollutant in sewage through the cooperation of aerobic and low oxygen. The existing sewage treatment pond system has the problems that: because the design of sewage treatment pond structure is unreasonable, consequently in order to guarantee the sewage treatment effect, need set up the agitator in anaerobism pond/oxygen deficiency pond, set up conventional power equipment such as mud scraper, mud backwash pump in the sedimentation zone, that is to say that whole sewage treatment system not only will use aeration equipment, still will use the agitator, these direct equipment that use of electric energy of mud scraper, the use of these direct consumer has increased sewage treatment system's structure complexity, also make sewage treatment system change the trouble.
Disclosure of Invention
The invention aims to provide a single-power sewage treatment system, which aims to solve the technical problem that the arrangement of a stirrer in the prior art can increase the complexity of the structure of equipment; the invention also aims to provide a sewage treatment tank used in the sewage treatment system.
In order to solve the technical problems, the technical scheme of the sewage treatment system is as follows:
the single power sewage treatment system comprises a sewage treatment tank and an aeration device, wherein the sewage treatment tank is divided into a sedimentation area and a sewage treatment area which are arranged in parallel at the front and the back by a treatment tank partition wall,
the sewage treatment area has the following two modes:
first, the sewage treatment zone is composed of a treatment subarea arranged in parallel with the sedimentation zone;
in the second type, the sewage treatment area is divided into at least two treatment subareas which are arranged in parallel along the front-back direction by a subarea partition wall, one end of the treatment subarea which is positioned at the upstream in the sewage trend is communicated with the adjacent end of the treatment subarea which is positioned at the downstream in the sewage trend,
the sewage treatment system comprises a sewage treatment system and a sewage treatment system, wherein the sewage treatment system comprises a plurality of sewage treatment areas, the sewage treatment areas comprise an aeration fan and treatment area plug-flow devices arranged in the aeration areas, the aeration fan is connected with the corresponding treatment area plug-flow devices through air pipelines, the sewage treatment unit at the most downstream position is provided with a dissolved oxygen instrument, the sewage treatment system also comprises a dissolved oxygen controller connected with the dissolved oxygen instrument in a sampling manner, and the dissolved oxygen controller is connected with the aeration fan in a control manner.
Furthermore, the settling zone and the sewage treatment zone are both rectangular structures with the lengths extending along the left-right direction.
Furthermore, the sewage treatment area is divided into at least two treatment subareas which are arranged in parallel along the front-back direction by a subarea partition wall, the water inlet is arranged in the low-oxygen area of the sewage treatment unit at the most upstream position, the anaerobic area of the sewage treatment unit at the most downstream position is communicated with one end of the sedimentation area, and the anaerobic area of the sewage treatment unit at the most downstream position is communicated with the sewage treatment unit which is correspondingly adjacent to the upstream.
Furthermore, one end of the settling zone far away from the water inlet side is provided with a settling zone impeller connected with the aeration fan through an air pipeline, and the settling zone impeller is used for lifting sludge at one end of the settling zone into an adjacent sewage treatment unit.
Furthermore, the air flow pushing area comprises a water inlet of the flow pushing area which is close to the lower position and a water outlet of the flow pushing area which is close to the upper position, and the treatment area flow pusher comprises a flow pusher fixing frame, a perforated aeration pipe, a lifting microporous aeration hose and a corresponding air supply pipeline connected with the air pipeline.
The technical scheme of the sewage treatment tank comprises the following steps:
a sewage treatment tank of the sewage treatment system, the sewage treatment tank is divided into a sedimentation area and a sewage treatment area which are arranged in parallel in the front and the back by a treatment tank partition wall,
the sewage treatment area has the following two modes:
first, the sewage treatment zone is composed of a treatment subarea arranged in parallel with the sedimentation zone;
in the second type, the sewage treatment area is divided into at least two treatment subareas which are arranged in parallel along the front-back direction by a subarea partition wall, one end of the treatment subarea which is positioned at the upstream in the sewage trend is communicated with the adjacent end of the treatment subarea which is positioned at the downstream in the sewage trend,
the sewage treatment device comprises a plurality of sewage treatment areas, wherein the sewage treatment areas are arranged in a sewage flow direction sequence, each sewage treatment area comprises at least two sewage treatment units which are arranged in a sewage flow direction sequence, each sewage treatment unit comprises an air flow pushing area, a low oxygen area and an anaerobic area which are arranged in a sewage flow direction sequence, the sewage flow direction is upward along sewage, a water inlet is formed in the sewage treatment unit at the most upstream position, the sewage treatment unit at the most downstream position is communicated with one end of a settling area, and a dissolved oxygen meter is arranged at the sewage treatment unit at the most downstream position.
Furthermore, the settling zone and the sewage treatment zone are both rectangular structures with the lengths extending along the left-right direction.
Furthermore, the sewage treatment area is divided into at least two treatment subareas which are arranged in parallel along the front-back direction by a subarea partition wall, the water inlet is arranged in the low-oxygen area of the sewage treatment unit at the most upstream position, the anaerobic area of the sewage treatment unit at the most downstream position is communicated with one end of the sedimentation area, and the anaerobic area of the sewage treatment unit at the most downstream position is communicated with the sewage treatment unit which is correspondingly adjacent to the upstream.
Furthermore, the air flow pushing area comprises a water inlet of the flow pushing area positioned on the lower side and a water outlet of the flow pushing area positioned on the upper side.
Furthermore, one end of the sedimentation area, which is far away from the water inlet side, is a sedimentation thrust area communicated with the adjacent treatment subarea.
The invention has the beneficial effects that: according to the invention, the treatment subareas of the sewage treatment zone and the sedimentation zone are arranged in parallel, so that the treatment subareas have longer space length, the treatment subareas comprise at least two sewage treatment units which are sequentially arranged along the sewage trend, each sewage treatment unit comprises an air flow pushing zone, a low oxygen zone and an anaerobic zone which are sequentially arranged along the sewage trend, the air flow pushing zone can increase the flowing power of water flow and can also realize oxygenation in muddy water, so that each sewage treatment unit forms an aerobic, low oxygen and anaerobic sewage treatment system, the sewage treatment effect is ensured by a plurality of sewage treatment systems, a corresponding stirrer is not required, the whole sewage treatment system only needs to use a single power of an aeration fan, the structure of equipment is simplified, the cost of the equipment is reduced, and the fault rate of the equipment is effectively reduced.
Drawings
FIG. 1 is a schematic block diagram of an embodiment of a single power wastewater treatment system according to the present invention;
FIG. 2 is a sectional view taken along line A-A in FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
fig. 4 is a sectional view taken along line C-C in fig. 1.
In the figure: 1. the device comprises a device room, 2, an aeration fan, 3, a sedimentation water inlet area, 4, a treatment tank partition wall, 5, a sedimentation area, 6, a sedimentation separation area, 7, a water outlet, 8, a treatment partition area, 9, a sedimentation flow pushing area, 10, a sedimentation flow pusher, 11, an air flow pushing area, 12, a treatment area flow pusher, 13, a low oxygen area, 14, an anaerobic area, 15, an air pipeline, 16, a first water channel, 17, a partition wall, 18, a flow pushing area water inlet, 19, a flow pusher water outlet, 20, a second water channel, 21, a third water channel, 22, a fourth water channel, 23, a water collecting tank and 24, inclined pipe packing.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The following describes in detail embodiments of a single power wastewater treatment system according to the present invention with reference to the accompanying drawings.
Single power sewage treatment system includes sewage treatment pond and aeration equipment, and the sewage treatment pond is separated into around arranging precipitation zone 5 and the sewage treatment district side by treatment pond partition wall 4, and the precipitation zone is provided with water receiving tank 23 and outlet 7, and the sewage treatment district is separated into two along the fore-and-aft direction by subregion partition wall 17 and arranges treatment subregion 8 side by side, and each treatment subregion arranges side by side with the sewage treatment district, and the sewage treatment district is length along the rectangle structure of controlling the direction extension with the treatment subregion.
In the two adjacent treatment zones, one end of the treatment zone located upstream in the sewage flow direction and the adjacent end of the treatment zone located downstream are communicated through the second water passage 20. The treatment section located downstream is communicated with one end of the settling zone through the third water passage 21, and thus, in the present invention, the main flow direction of the sewage is zigzag.
Each treatment subarea comprises a plurality of sewage treatment units which are sequentially arranged along the sewage trend, each sewage treatment unit comprises an air plug flow area 11, a low-oxygen area 13 and an anaerobic area 14 which are sequentially arranged along the sewage trend, the aeration device comprises an aeration fan 2 and a treatment area plug flow device 12 which is arranged in each air plug flow area, the plug flow direction of the treatment area plug flow device is from bottom to top, and the aeration fan is connected with the corresponding treatment area plug flow device through an air pipeline 15. The aeration fan is arranged in the equipment room 1.
The air plug flow area comprises a plug flow area water inlet 18 at the lower position and a plug flow area water outlet 19 at the upper position, and the treatment area plug flow device comprises a plug flow device fixing frame, a perforated aeration pipe, a lifting microporous aeration hose and a corresponding air supply pipeline connected with the air pipeline. No corresponding mechanical equipment is arranged in the low-oxygen zone and the anaerobic zone.
The sewage treatment unit at the most upstream position is provided with a water inlet along the sewage flowing direction, the sewage treatment unit at the most downstream position is communicated with one end of the sedimentation area through a third water channel 21, the water inlet is arranged in the low-oxygen area of the sewage treatment unit at the most upstream position, and the anaerobic area of the sewage treatment unit at the most downstream position is communicated with the sewage treatment unit which is correspondingly adjacent to the upstream through a first water channel 16.
The settling zone is internally provided with an inclined tube filler 24 (or a combined filler consisting of an inclined tube and an inclined plate), one end of the settling zone, which is far away from the water inlet side, is a settling thrust zone 9, the settling thrust zone is internally provided with a settling zone flow impeller 10 connected with an aeration fan through an air pipeline, the flow thrust direction of the settling zone flow impeller is from bottom to top, and the settling zone flow impeller is used for lifting sludge at one end of the settling zone to an adjacent sewage treatment unit through a fourth water channel 22.
The item in the figure shows a device room for installing an aeration fan, wherein the aeration fan can be a Roots fan, a screw fan or a suspension fan, and the like, and the aeration fan is used for supplying air to a corresponding flow impeller so as to realize oxygenation, stirring and sludge backflow of a sewage treatment system.
The sewage treatment system further comprises a dissolved oxygen controller connected with the dissolved oxygen instrument in a sampling manner, and the dissolved oxygen controller is connected with the aeration fan in a control manner. After the dissolved oxygen instrument detects the dissolved oxygen signal in the water, the dissolved oxygen signal is converted into a current signal and fed back to the dissolved oxygen controller, and the dissolved oxygen controller increases or decreases the frequency or the rotating speed of the aeration fan according to the signal fed back by the dissolved oxygen instrument, so that the air supply quantity of the air impeller is adjusted in real time, and the aim of accurately controlling aeration is fulfilled.
The sewage flows in the direction that the sewage enters the sewage treatment unit at the most upstream position through the water inlet, then enters the hypoxia area of the first sewage treatment unit, is mixed with the treated mud-water mixture at the backflow tail end of the upstream air impeller, and the microporous aeration hose capable of being lifted in the air impeller area can be oxygenated while the mud-water mixture flows back; the muddy water mixture reflowing from the air thrust zone enters a non-aerated space before entering the air thrust zone of the second sewage treatment unit, and oxygen contained in the muddy water mixture is contained in sludge at the front end of the spaceThe microorganisms are gradually utilized to form a low-oxygen zone, and dissolved oxygen is consumed to form an anaerobic zone when the microorganisms enter the tail end of the space along with the space; then enters the next sewage treatment unit to form an aerobic, low-oxygen and anaerobic circulating system, and pollutants in the sewage treatment tank mainly comprise COD (chemical oxygen demand)Cr、BOD5、NH3Degradation of N, TN, TP and the like. At the most downstream of the treatment subarea, muddy water is mixed and enters a precipitation area, the precipitation area is a precipitation water inlet area, a precipitation separation area and a precipitation thrust area from right to left, a water outlet is arranged at the upper end of the precipitation separation area, water is distributed in the water inlet area, so that the muddy water mixture entering the precipitation separation area is uniform, then the muddy water is separated in the precipitation separation area, clear water enters the upper part of the precipitation separation area and is collected by a water collecting tank and then discharged after reaching the standard, sludge is precipitated at the bottom of the precipitation separation area, and the sludge at the bottom of the pool is lifted to an adjacent treatment subarea by power provided by a precipitation area thrust device of. Compared with the prior art, the anaerobic tank/anoxic tank has no stirrer or impeller in the anaerobic tank/anoxic tank, has no conventional power equipment such as a mud suction/scraper in the sedimentation tank, has only single power of an aeration fan, and has simpler equipment of the whole system and low failure rate. The arrows in fig. 1 indicate the direction of flow of water in this embodiment.
In other embodiments of the invention, there may be only one treatment zone of the sewage treatment zone; the precipitation separation area can also be free from filler and can carry out natural precipitation.
Examples of the sewage treatment tank are shown in fig. 1 to 4: the specific structure of the sewage treatment tank is the same as that of the sewage treatment tank described in each of the above embodiments of the sewage treatment system, and details thereof are omitted.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a single power sewage treatment system, includes sewage treatment pond and aeration equipment, its characterized in that: the sewage treatment tank is divided into a sedimentation area and a sewage treatment area which are arranged in parallel in the front and the back by the treatment tank partition wall,
the sewage treatment area has the following two modes:
first, the sewage treatment zone is composed of a treatment subarea arranged in parallel with the sedimentation zone;
in the second type, the sewage treatment area is divided into at least two treatment subareas which are arranged in parallel along the front-back direction by a subarea partition wall, one end of the treatment subarea which is positioned at the upstream in the sewage trend is communicated with the adjacent end of the treatment subarea which is positioned at the downstream in the sewage trend,
the sewage treatment system comprises a sewage treatment system and a sewage treatment system, wherein the sewage treatment system comprises a plurality of sewage treatment areas, the sewage treatment areas comprise an aeration fan and treatment area plug-flow devices arranged in the aeration areas, the aeration fan is connected with the corresponding treatment area plug-flow devices through air pipelines, the sewage treatment unit at the most downstream position is provided with a dissolved oxygen instrument, the sewage treatment system also comprises a dissolved oxygen controller connected with the dissolved oxygen instrument in a sampling manner, and the dissolved oxygen controller is connected with the aeration fan in a control manner.
2. The single power wastewater treatment system of claim 1, wherein: the settling zone and the sewage treatment zone are both rectangular structures with the lengths extending along the left-right direction.
3. The single power wastewater treatment system of claim 1, wherein: the sewage treatment area is divided into at least two treatment subareas which are arranged in parallel along the front-back direction by a subarea partition wall, the water inlet is arranged in the low-oxygen area of the sewage treatment unit at the most upstream position, the anaerobic area of the sewage treatment unit at the most downstream position is communicated with one end of the sedimentation area, and the anaerobic area of the sewage treatment unit at the most downstream position is communicated with the sewage treatment unit which is correspondingly adjacent to the upstream.
4. The single power wastewater treatment system of claim 1, wherein: the end of the settling zone far away from the water inlet side is provided with a settling zone impeller connected with the aeration fan through an air pipeline, and the settling zone impeller is used for lifting sludge at one end of the settling zone into an adjacent sewage treatment unit.
5. The single power wastewater treatment system according to any of claims 1 to 4, wherein: the air plug flow area comprises a plug flow area water inlet at the lower position and a plug flow area water outlet at the upper position, and the treatment area plug flow device comprises a plug flow device fixing frame, a perforated aeration pipe, a lifting microporous aeration hose and a corresponding air supply pipeline connected with the air pipeline.
6. Single power sewage treatment system's sewage treatment pond, its characterized in that: the sewage treatment tank is divided into a sedimentation area and a sewage treatment area which are arranged in parallel in the front and the back by the treatment tank partition wall,
the sewage treatment area has the following two modes:
first, the sewage treatment zone is composed of a treatment subarea arranged in parallel with the sedimentation zone;
in the second type, the sewage treatment area is divided into at least two treatment subareas which are arranged in parallel along the front-back direction by a subarea partition wall, one end of the treatment subarea which is positioned at the upstream in the sewage trend is communicated with the adjacent end of the treatment subarea which is positioned at the downstream in the sewage trend,
the sewage treatment device comprises a plurality of sewage treatment areas, wherein the sewage treatment areas are arranged in a sewage flow direction sequence, each sewage treatment area comprises at least two sewage treatment units which are arranged in a sewage flow direction sequence, each sewage treatment unit comprises an air flow pushing area, a low oxygen area and an anaerobic area which are arranged in a sewage flow direction sequence, the sewage flow direction is upward along sewage, a water inlet is formed in the sewage treatment unit at the most upstream position, the sewage treatment unit at the most downstream position is communicated with one end of a settling area, and a dissolved oxygen meter is arranged at the sewage treatment unit at the most downstream position.
7. The wastewater treatment basin of claim 6, wherein: the settling zone and the sewage treatment zone are both rectangular structures with the lengths extending along the left-right direction.
8. The wastewater treatment basin of claim 6, wherein: the sewage treatment area is divided into at least two treatment subareas which are arranged in parallel along the front-back direction by a subarea partition wall, the water inlet is arranged in the low-oxygen area of the sewage treatment unit at the most upstream position, the anaerobic area of the sewage treatment unit at the most downstream position is communicated with one end of the sedimentation area, and the anaerobic area of the sewage treatment unit at the most downstream position is communicated with the sewage treatment unit which is correspondingly adjacent to the upstream.
9. The wastewater treatment basin of claim 6, wherein: the air flow pushing area comprises a water inlet of the flow pushing area which is positioned at the lower part and a water outlet of the flow pushing area which is positioned at the upper part.
10. A wastewater treatment basin according to any of claims 6-9, characterized in that: one end of the sedimentation area far away from the water inlet side is a sedimentation thrust area communicated with the adjacent treatment subarea.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011508390.5A CN112661267A (en) | 2020-12-18 | 2020-12-18 | Single-power sewage treatment system and sewage treatment tank thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011508390.5A CN112661267A (en) | 2020-12-18 | 2020-12-18 | Single-power sewage treatment system and sewage treatment tank thereof |
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| CN112661267A true CN112661267A (en) | 2021-04-16 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990046813A (en) * | 1999-04-29 | 1999-07-05 | 백갑종 | Wastewater treatment methods using anaerobic condition and two stage altering-intermittent aerating condition |
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| CN111675331A (en) * | 2020-06-12 | 2020-09-18 | 北京得世达环保科技有限公司 | Aerobic and anoxic alternative AAO-X sewage treatment system |
-
2020
- 2020-12-18 CN CN202011508390.5A patent/CN112661267A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990046813A (en) * | 1999-04-29 | 1999-07-05 | 백갑종 | Wastewater treatment methods using anaerobic condition and two stage altering-intermittent aerating condition |
| CN1693235A (en) * | 2005-02-25 | 2005-11-09 | 清华大学 | Air lifting deep water type oxidizing tank |
| US20140158614A1 (en) * | 2011-08-06 | 2014-06-12 | Jianmin Wang | Methods and apparatuses for water, wastewater, and waste treatment |
| CN210030168U (en) * | 2019-01-15 | 2020-02-07 | 迈邦（北京）环保工程有限公司 | Biochemical treatment tank for treating sewage by EBIS micro-oxygen circulating flow process |
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| 王娟: "《环境工程实验技术与应用》", 31 August 2016, 中国建材工业出版社 * |
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