CN209740802U - Ecological support combination clean system of membrane aeration biofilm reactor - Google Patents
Ecological support combination clean system of membrane aeration biofilm reactor Download PDFInfo
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- CN209740802U CN209740802U CN201822051747.6U CN201822051747U CN209740802U CN 209740802 U CN209740802 U CN 209740802U CN 201822051747 U CN201822051747 U CN 201822051747U CN 209740802 U CN209740802 U CN 209740802U
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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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Abstract
the utility model discloses a membrane aeration biomembrane reactor ecological bracket combined purification system, which comprises an MABR system and a biological floating bed; the MABR system comprises an air compressor, a compressed air pressure regulating valve, a membrane module and a mounting bracket for mounting the membrane module, wherein the air compressor, the compressed air pressure regulating valve and the membrane module are sequentially communicated; the mounting bracket includes: the device comprises a vertical support, a telescopic horizontal control arm, an upper support and a lower support, wherein the vertical support and the telescopic horizontal control arm are fixedly connected with a bank; the upper bracket and the lower bracket are both connected with the horizontal control arm and driven by the horizontal control arm to extend and retract in the direction vertical to the water flow; the top of the membrane component is fixedly connected with the upper bracket, the bottom of the membrane component is fixedly connected with the lower bracket, and the biological floating bed is positioned above and connected with the upper bracket. The utility model discloses the area of contact of well membrane module and water is great, can reduce the effect of blocking water to bank dyke shrink when the river course water yield increases, and the biomembrane is also convenient for change to the position of the adjustable membrane module of being convenient for.
Description
Technical Field
the utility model relates to an ecological bracket purification system, in particular to ecological bracket combined purification system of a membrane aeration biomembrane reactor.
background
The urban river can play the role of urban landscape while maintaining the communication of own water system. In recent years, with the development of society and the increase of industrialization, the problem of water pollution is increasingly prominent. The urban river channel is not communicated smoothly, so that a stagnant and slow flow area and a dead water area are caused, the retention time and replacement of the water body are increased, and the black and odorous water body is more serious. As an in-situ water body restoration technology, the ecological bracket has the functions of improving water quality and improving urban landscape effect, and has more and more prominent functions in the treatment of polluted water bodies at home and abroad. In the process of treating pollution in water, the traditional single ecological bracket is not obvious in purification effect due to various factors, and the combined ecological bracket is produced at the same time, for example: a micro-aeration enhanced ecological rack sewage treatment system (201420603014.8); a plant-natural biofilm composite ecological scaffold (201621260267.5); an ecological scaffold (201720796648.3) based on plant binding to biofilm; a microporous aeration-biological-ecological bracket integrated system and a method (201710665583.3) for treating black and odorous water by applying the system have the following problems: the problem of low oxygen content in water can be solved only or the problem of small surface area for microorganism attachment can be solved only, and the two problems can not be solved in a functional and synergistic manner; meanwhile, the existing compound system is not flexible enough in structure, and a water blocking effect is generated due to the fact that the existing biological membrane system cannot move flexibly in the water replenishing period of a river channel when the flow speed is increased.
Disclosure of Invention
The utility model provides an ecological bracket combined purification system of a membrane aeration biomembrane reactor, which can simultaneously improve the oxygen content in water and the surface area of microorganism attachment for solving the technical problems existing in the prior art.
the utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a membrane aeration biomembrane reactor ecological bracket combined purification system comprises an MABR system and a biological floating bed; the MABR system comprises an air compressor, a compressed air pressure regulating valve, a membrane module and a mounting bracket for mounting the membrane module, wherein the air compressor, the compressed air pressure regulating valve and the membrane module are sequentially communicated; the mounting bracket includes: the device comprises a vertical support, a telescopic horizontal control arm, an upper support and a lower support, wherein the vertical support and the telescopic horizontal control arm are fixedly connected with a bank; the upper support and the lower support are both connected with the horizontal control arm and driven by the horizontal control arm to extend and retract in the direction vertical to the water flow; the top of the membrane component is fixedly connected with the upper support, the bottom of the membrane component is fixedly connected with the lower support, and the biological floating bed is positioned above and connected with the upper support.
Furthermore, one end of the membrane component is opened and filled with gas, and the other end of the membrane component is closed.
Further, the membrane assembly comprises a plurality of membrane silk units, and each membrane silk unit comprises 600-800 membrane silks which are arranged in parallel.
furthermore, the membrane filaments are hydrophobic composite hollow fiber membrane filaments, the inner diameter of the membrane filaments is 0.4-0.6 mm, the outer diameter of the membrane filaments is 0.75-0.9 mm, and the length of the membrane filaments is 1-0.5 m.
Further, when the upper support and the lower support are extended, the included angle between the membrane silk unit and the horizontal direction is 45-60 degrees.
Further, the upper bracket comprises an upper folding rod component capable of horizontally extending and retracting, an upper floater, an upper connecting rod and an upper base; one end of the upper folding rod assembly is hinged with the vertical support, and the other end of the upper folding rod assembly is connected with the upper floater and the horizontal control arm respectively; the upper connecting rod is vertically arranged, the upper end of the upper connecting rod is connected with the upper folding rod assembly, and the lower end of the upper connecting rod is connected with the upper base; the upper base is connected with the top of the membrane module; the lower support comprises a lower folding rod component capable of horizontally extending and retracting, a lower floater, a lower connecting rod and a lower base; one end of the lower folding rod assembly is connected with the vertical support, and the other end of the lower folding rod assembly is respectively connected with the lower floater and the horizontal control arm; the lower connecting rod is vertically arranged, the lower end of the lower connecting rod is connected with the lower folding rod assembly, and the upper end of the lower connecting rod is connected with the lower base; the lower base is connected with the bottom of the membrane module.
Further, the upper folding rod assembly and the lower folding rod assembly are respectively composed of straight rods hinged with each other into a plurality of rhombuses.
Further, the horizontal control arm is a cylinder.
Further, the biological floating bed comprises a buoyancy carrier for cultivating plants, and the buoyancy carrier is a polystyrene board.
The utility model has the advantages and positive effects that: compared with the prior art, the utility model discloses a beneficial effect that technical scheme brought is:
1. The MABR system in the utility model has dual functions of oxygen supply and biomembrane carrier, can realize synchronous nitrification and denitrification, and has high oxygen utilization efficiency;
2. The utility model discloses set up the membrane module of making by the membrane silk that hydrophobic composite hollow fiber made among the ecological bracket, can increase microorganism attachment area, promote the absorption that organic matter decomposes and nutrient substance.
3. The membrane components in the utility model are built into a V shape, the water-blocking effect is small, the air permeability is good, the bubble plume can be formed, and the contact area with water is large; less smell, less land occupation, less mud production, economy and environmental protection.
4. The utility model provides an MABR system is in rainy season or during the moisturizing in the river course, and when the river course velocity of flow is great, can manual or automatic operation telescopic horizontal control arm for it is flexible at perpendicular to rivers direction to connect membrane module upper portion support and lower part support, can be when the river course water yield increases, to bank dyke shrink, reduces the effect of blocking water, also is convenient for change the biomembrane.
5. The utility model provides an MABR system mountable float provides buoyancy, and control MABR system reciprocates with rising according to the reduction of water level.
6. the utility model provides a carrier kickboard is the polystyrene board, not only has good heat resistance, cold resistance and higher rigidity and toughness, both can provide buoyancy and can play the support to the plant and do.
The system overcomes the defects of the traditional technology and the prior art, reduces the black and odorous water body by utilizing the absorption and adsorption effects of the root system on eutrophic substances in water in the plant growth process, is attached with a Membrane Aeration Biomembrane Reactor (MABR), increases the attachment surface area of microorganisms, and solves the defect that the surface area for the microorganisms to attach to is limited because the traditional single ecological bracket is limited by the plant root system; on the premise of ensuring the high oxygen transfer efficiency, the aeration uniformity of the water body is improved, and the phenomena that the activity of microorganisms in the ecological bracket system is low and the types are relatively single due to insufficient oxygen content in the natural water body are avoided. The problems of low oxygen content in water and small microorganism attachment surface area are solved functionally and synchronously, so that the purification effect is improved to a great extent. Meanwhile, structurally, the attached membrane-aerated biofilm reactor (MABR) can adjust the position of the biofilm in the water body by using a folding rod, so that the MABR is convenient to adapt to water body types under the conditions of different water volumes and water speeds.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of a membrane yarn unit in the present invention;
Fig. 3 is a schematic view of a top bracket structure of the present invention;
Fig. 4 is a schematic view of a lower bracket structure of the present invention;
Fig. 5 is a schematic top view of an ecological floating bed in the present invention.
In the figure:
1. Biological floating bed 1.1, plant 1.2, buoyancy carrier;
2. 2.1 parts of membrane silk unit, 2.2 parts of ventilation end, 2.3 parts of membrane silk and a closed end;
3. An upper support 3.1, an upper folding rod assembly 3.2, an upper base 3.3, an upper connecting rod 3.4 and an upper floater;
4. The lower part of the folding rod assembly comprises a lower support, 4.1, a lower folding rod assembly, 4.2, a lower base, 4.3, a lower connecting rod, 4.4 and a lower floater;
5. A vertical support;
6. an air tube;
7. A compressed air pressure regulating valve;
8. An air flow meter;
9. An air compressor;
10. and (4) a bank.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are listed and will be described in detail with reference to the accompanying drawings:
Referring to fig. 1 to 5, an ecological bracket combined purification system of a membrane-aerated biofilm reactor comprises an MABR system and a biological floating bed 1; the MABR system comprises an air compressor 9, a compressed air pressure regulating valve 7, a membrane module and a mounting bracket for mounting the membrane module, wherein the air compressor, the compressed air pressure regulating valve 7 and the membrane module are sequentially communicated; the mounting bracket includes: the device comprises a vertical support 5 and a telescopic horizontal control arm which are fixedly connected with a bank 10, an upper support 3 hinged with the upper part of the vertical support 5, and a lower support 4 hinged with the lower part of the vertical support 5; the upper bracket 3 and the lower bracket 4 are both connected with the horizontal control arm and driven by the horizontal control arm to extend and retract in the direction vertical to the water flow; the top of the membrane module is fixedly connected with the upper support 3, the bottom of the membrane module is fixedly connected with the lower support 4, and the biological floating bed 1 is positioned above and connected with the upper support 3. The biological floating bed 1 and the upper bracket 3 can be detachably connected, and the upper bracket 3 can be contracted after the biological floating bed 1 is detached; the biological floating bed 1 and the upper support 3 can also adopt elastic flexible connection, and the upper support 3 drives the biological floating bed 1 to approach to a bank when contracting. The compressed air pressure regulating valve 7 and the membrane module can be connected through various commercially available soft air pipes.
when water is supplemented in rainy season or river channel, the flow velocity is increased, the horizontal control arm is operated, the upper support 3 and the lower support 4 are contracted towards the bank, and water blocking is reduced; when the flow velocity is less in non-rainy season, operate the horizontal control arm, extend upper portion support 3 and lower part support 4 to the direction of coming to shore, increase area of contact improves purification efficiency.
The biological floating bed comprises a buoyancy carrier 1.2 for cultivating plants 1.1, and the buoyancy carrier 1.2 is preferably a polystyrene board. The buoyancy carrier 1.2 is a polystyrene plate, has good heat resistance, cold resistance and higher rigidity and toughness, and can provide buoyancy and support the plant 1.1. The biological floating bed can also be made of other forms of biological floating beds, such as foamed plastics made of Polyurethane (PUR), polyvinyl chloride (PVC), Polyethylene (PE), phenolic resin (PF) and the like.
The pressure of the compressed air entering the membrane module can be controlled by a compressed air pressure regulating valve 7, the compressed air pressure regulating valve 7 can be an element with pressure indication such as a pressure gauge, and an air flow meter 8 can be arranged before or after the compressed air pressure regulating valve 7.
the horizontal control arm can adopt an unpowered telescopic rod, and the horizontal control arm is stretched or contracted manually, for example, a threaded telescopic rod is used for adjusting the stretching of the telescopic arm by manually rotating the threaded disc. Or a telescopic rod with power, such as a cylinder or an electric cylinder type telescopic rod, can be adopted. The horizontal control arm is preferably a cylinder, and air can be supplied by an air compressor 9, so that the labor is reduced.
Further, one end of the membrane component can be opened to introduce gas, and the other end is closed. The gas is discharged at a constant speed. The membrane component can comprise a plurality of membrane silk units 2, and each membrane silk unit 2 can comprise 600-800 membrane silks 2.2 which are arranged in parallel. One end of the membrane silk unit 2 can be a ventilation end 2.1 provided with an opening for introducing gas, and the other end is a closed end 2.3. The venting end 2.1 and the closed end 2.3 can be made of hollow tubes. The membrane filaments 2.2 which are arranged in parallel are communicated between the vent end 2.1 pipe and the closed end 2.3 pipe. The membrane thread 2.2 can increase the attachment area of microorganisms and promote the decomposition of organic matters and the absorption of nutrient substances.
Further, the membrane filaments 2.2 can be hydrophobic composite hollow fiber membrane filaments, the inner diameter of the membrane filaments can be 0.4-0.6 mm, the outer diameter of the membrane filaments can be 0.75-0.9 mm, and the length of the membrane filaments can be 1-0.5 m. The membrane silk 2.2 material is preferably hydrophobic composite hollow fiber, and each membrane silk unit 2 is preferably 800 membrane silks arranged in parallel. The membrane thread 2.2 preferably has an inner diameter of 0.40mm, an outer diameter of 0.75mm and a length of 1 m.
Further, when the upper support 3 and the lower support 4 are extended, the included angle between the membrane silk unit 2 and the horizontal direction can be 45-60 degrees. After the upper stent 3 and the lower stent 4 are fully extended, every two membrane wire units 2 form a V shape, and the formed angle is preferably close to 60 degrees. The membrane components of the MABR system are erected into a V shape, the water-blocking effect is small, the air permeability is good, a bubble plume can be formed, and the contact area with water is large; less smell, less land occupation, less mud production, economy and environmental protection.
further, the upper bracket 3 may include an upper folding bar assembly 3.1 which is horizontally telescopic, an upper float 3.4, an upper link 3.3 and an upper base 3.2; one end of the upper folding rod component 3.1 is hinged with the vertical support 5, and the other end of the upper folding rod component is respectively connected with the upper floater 3.4 and the horizontal control arm; the upper connecting rod 3.3 is vertically arranged, the upper end of the upper connecting rod is connected with the upper folding rod component 3.1, and the lower end of the upper connecting rod is connected with the upper base 3.2; the upper base 3.2 is connected with the top of the membrane module; the lower bracket 4 can comprise a lower folding rod component 4.1 which can horizontally stretch and retract, a lower floater 4.4, a lower connecting rod 4.3 and a lower base 4.2; one end of the lower folding rod component 4.1 is connected with the vertical bracket 5, and the other end of the lower folding rod component is respectively connected with the lower floater 4.4 and the horizontal control arm; the lower connecting rod 4.3 is vertically arranged, the lower end of the lower connecting rod is connected with the lower folding rod component 4.1, and the upper end of the lower connecting rod is connected with the lower base 4.2; the lower base 4.2 is connected with the bottom of the membrane module. And an upper floater 3.4 and a lower floater 4.4 for providing buoyancy to control the upper bracket 3 and the lower bracket 4 to move up and down according to the lowering and rising of the water level.
When the river course is in rainy season or moisturizing, when the river course velocity of flow is great, the shrink of operatable horizontal control arm for the folding rod of connecting the membrane module is folded against the bank, and less water-blocking avoids when the river course water yield increases, dismantles the biomembrane and takes out the problem of the outside comparative difficulty in river course, the material resources of using manpower sparingly.
Further, the upper folding bar assembly 3.1 and the lower folding bar assembly 4.1 may each be formed by straight bars hinged to each other in a plurality of rhombuses. Other structures capable of being folded and contracted can be adopted, for example, flexible connection is adopted among a plurality of parallel straight rods, and the like.
the structure and the working principle of the present invention will be further described in detail with reference to the accompanying drawings and the specific embodiments:
referring to fig. 1, the MABR system includes an air pipe 6, a compressed air pressure regulating valve 7, a gas flow meter 8, an air compressor 9, and a membrane module composed of a plurality of membrane wire units 2. An air compressor 9 is used for supplying air to the membrane module, and a gas flowmeter 8 and a compressed air pressure regulating valve 7 are arranged on an air supply pipeline to control the aeration pressure. The air flow is divided into a plurality of air branch pipes by the air pipe 6 and is conveyed to the air vent end at the lower end of the membrane silk unit 2, and the air vent end of the membrane silk unit 2 is connected with the lower base 4.2 of the lower bracket 4. The upper end of the membrane silk unit 2 is a closed end and is connected with an upper base 3.2 of the upper bracket 3. The compressed air passes through the membrane filaments to generate micro-bubbles to enter the water body.
fig. 2 is a membrane silk unit structure sketch map in the utility model provides a end and the blind end of ventilating can all be made with hollow pipe fitting, and membrane silk unit 2 end shape of ventilating can be the cuboid, and 2 blind end shapes of membrane silk unit also can be the cuboid, communicate parallel arrangement's membrane silk between end pipe fitting of ventilating and blind end pipe fitting.
Fig. 3 is a schematic view of an upper bracket structure in the present invention, which is connected to the upper folding rod assembly 3.1 through the upper connecting rod 3.3 by the upper base 3.2. One end of the upper folding rod component 3.1 is connected with an upper floater 3.4, and the other end is connected with a vertical bracket 5. The upper folding bar assembly 3.1 may be formed by straight bars hinged to each other in a plurality of rhombuses.
Fig. 4 is a schematic view of a lower bracket structure of the present invention, which is connected to the lower folding rod assembly 4.1 through the lower connecting rod 4.3 by the lower base 4.2. One end of the lower folding rod component 4.1 is connected with the lower floater 4.4, and the other end is connected with the vertical bracket 5. The lower folding bar assembly 4.1 may be formed by straight bars hinged to each other in a plurality of rhombuses.
Fig. 5 is a schematic top view of an ecological floating bed in the present invention, in an embodiment of the present invention, according to actual conditions in the local area of the embodiment, the aquatic plants select canna having an average height of 25cm and pre-cultured for about 10 days; the carrier is white polystyrene board, the design size is 90cm x 70cm x 5cm and is divided into 5 rows x 6 lines according to the distance of 15cm x 14cm, 30 planting holes with the diameter of 3cm are drilled, one plant is planted in each planting hole, and the seedling is fixed by sponge.
In the embodiment, the ventilation volume of the air compressor can be kept at 2.5-3L/min, and the air is continuously aerated for 24 hours through the air conveying pipe. The above embodiment is formally operated for two months, and the removal rate is shown in the table by detecting multiple pollutant indexes in the treated water body in the operation process.
The above-mentioned embodiments are only used for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, the scope of the present invention should not be limited by the embodiment, that is, all equivalent changes or modifications made by the spirit of the present invention should still fall within the scope of the present invention.
Claims (9)
1. A membrane aeration biomembrane reactor ecological bracket combined purification system is characterized by comprising an MABR system and a biological floating bed; the MABR system comprises an air compressor, a compressed air pressure regulating valve, a membrane module and a mounting bracket for mounting the membrane module, wherein the air compressor, the compressed air pressure regulating valve and the membrane module are sequentially communicated; the mounting bracket includes: the device comprises a vertical support, a telescopic horizontal control arm, an upper support and a lower support, wherein the vertical support and the telescopic horizontal control arm are fixedly connected with a bank; the upper support and the lower support are both connected with the horizontal control arm and driven by the horizontal control arm to extend and retract in the direction vertical to the water flow; the top of the membrane component is fixedly connected with the upper support, the bottom of the membrane component is fixedly connected with the lower support, and the biological floating bed is positioned above and connected with the upper support.
2. The membrane-aerated biofilm reactor ecological bracket combined purification system of claim 1, wherein one end of the membrane module is open and gas is introduced, and the other end is closed.
3. the combined purification system of the ecological support of the membrane-aerated biofilm reactor of claim 1, wherein the membrane module comprises a plurality of membrane filament units, and each membrane filament unit comprises 600-800 membrane filaments arranged in parallel.
4. the combined purification system of a membrane-aerated biofilm reactor ecological bracket of claim 3, wherein the membrane filaments are hydrophobic composite hollow fiber membrane filaments, the inner diameter of the membrane filaments is 0.4-0.6 mm, the outer diameter of the membrane filaments is 0.75-0.9 mm, and the length of the membrane filaments is 1-0.5 m.
5. The combined purification system of an ecological support of a membrane-aerated biofilm reactor according to claim 3, wherein the membrane wire units form an angle of 45 ° to 60 ° with the horizontal direction when the upper support and the lower support are extended.
6. The membrane-aerated biofilm reactor ecological bracket combined purification system of claim 1, wherein the upper bracket comprises an upper folding rod assembly which can horizontally stretch and retract, an upper floater, an upper connecting rod and an upper base; one end of the upper folding rod assembly is hinged with the vertical support, and the other end of the upper folding rod assembly is connected with the upper floater and the horizontal control arm respectively; the upper connecting rod is vertically arranged, the upper end of the upper connecting rod is connected with the upper folding rod assembly, and the lower end of the upper connecting rod is connected with the upper base; the upper base is connected with the top of the membrane module; the lower support comprises a lower folding rod component capable of horizontally extending and retracting, a lower floater, a lower connecting rod and a lower base; one end of the lower folding rod assembly is connected with the vertical support, and the other end of the lower folding rod assembly is respectively connected with the lower floater and the horizontal control arm; the lower connecting rod is vertically arranged, the lower end of the lower connecting rod is connected with the lower folding rod assembly, and the upper end of the lower connecting rod is connected with the lower base; the lower base is connected with the bottom of the membrane module.
7. The membrane-aerated biofilm reactor ecological bracket combination purification system of claim 6, wherein the upper folding rod assembly and the lower folding rod assembly are each composed of straight rods hinged to each other in a plurality of rhombuses.
8. The membrane-aerated biofilm reactor ecological bracket combined purification system of claim 1, wherein the horizontal control arm is a cylinder.
9. The membrane-aerated biofilm reactor ecological bracket combined purification system of claim 1, wherein the biological floating bed comprises a buoyancy carrier for cultivating plants, and the buoyancy carrier is a polystyrene plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822051747.6U CN209740802U (en) | 2018-12-07 | 2018-12-07 | Ecological support combination clean system of membrane aeration biofilm reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822051747.6U CN209740802U (en) | 2018-12-07 | 2018-12-07 | Ecological support combination clean system of membrane aeration biofilm reactor |
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| Publication Number | Publication Date |
|---|---|
| CN209740802U true CN209740802U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822051747.6U Expired - Fee Related CN209740802U (en) | 2018-12-07 | 2018-12-07 | Ecological support combination clean system of membrane aeration biofilm reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516549A (en) * | 2018-12-07 | 2019-03-26 | 天津大学 | A kind of membrane aeration biomembrane reactor ecology holder combination purification system |
| CN113816507A (en) * | 2021-09-17 | 2021-12-21 | 江苏环川环境工程有限公司 | Adjustable aeration hose fixing device |
-
2018
- 2018-12-07 CN CN201822051747.6U patent/CN209740802U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516549A (en) * | 2018-12-07 | 2019-03-26 | 天津大学 | A kind of membrane aeration biomembrane reactor ecology holder combination purification system |
| CN109516549B (en) * | 2018-12-07 | 2024-04-02 | 天津大学 | Ecological support combined purification system of membrane aeration biological membrane reactor |
| CN113816507A (en) * | 2021-09-17 | 2021-12-21 | 江苏环川环境工程有限公司 | Adjustable aeration hose fixing device |
| CN113816507B (en) * | 2021-09-17 | 2023-12-22 | 江苏环川环境工程有限公司 | Adjustable aeration hose fixing device |
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Granted publication date: 20191206 Termination date: 20211207 |