CN113044965A - Turnover plate type biofilm reactor - Google Patents
Turnover plate type biofilm reactor Download PDFInfo
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- CN113044965A CN113044965A CN202110162401.7A CN202110162401A CN113044965A CN 113044965 A CN113044965 A CN 113044965A CN 202110162401 A CN202110162401 A CN 202110162401A CN 113044965 A CN113044965 A CN 113044965A
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- 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
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
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- 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
- C02F3/08—Aerobic processes using moving contact bodies
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- 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
- C02F3/10—Packings; Fillings; Grids
- C02F3/103—Textile-type packing
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- 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
- C02F3/10—Packings; Fillings; Grids
- C02F3/104—Granular carriers
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- 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
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/107—Inorganic materials, e.g. sand, silicates
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention provides a turning plate type biofilm reactor which consists of a reactor shell, a turning plate carrier body area and an aeration area, wherein the turning plate carrier body area is arranged at the upper part of the aeration area. The overturning plate carrier region consists of a plurality of overturning plate carrier assemblies; the aeration area is provided with a microporous aeration head. The middle position of the bottom of the aeration zone is provided with a sludge discharge port and a valve for controlling the discharge of sludge. The carrier of the biofilm reactor consists of a plurality of turnover plates, the turnover plate carrier can rotate, and can perform backwashing from various angles, so that the backwashing effect is good; reaction conditions such as dissolved oxygen concentration, sewage flow and the like in the reactor can be controlled by rotating the turnover plate carrier, so that better reaction conditions are easily achieved; the surface material of the turnover plate carrier is coral sand and waste cotton cloth, the film forming effect is good, and the removal rate of pollutants in sewage is high.
Description
Technical Field
The invention belongs to the technical field of water treatment, relates to a biofilm reactor, and particularly relates to a turnover plate type biofilm reactor.
Background
When sewage is treated by the biofilm method, microorganisms are enriched and grown on the surface of the carrier to form a biofilm with a certain thickness, and sewage flows through the biofilm on the surface of the carrier to be purified. Compared with other biological treatment methods, the biofilm method has the following advantages: has stronger environmental condition adaptability; the biological membrane method has perfect microbial ecological structure and stable survival conditions of the microbes, so that the biological membrane method has strong impact load tolerance on water quantity and water quality. The sludge yield is low, the sludge settling performance is good, and compared with an activated sludge method, the sludge bulking is not easy to occur in a biofilm method. The biofilm reactor has high biofilm amount, rich micro-ecological structure and strong activity of microorganisms. Therefore, the biofilm method has the characteristics of stable operation and good treatment effect. However, in practical application, the biofilm method often has the problems that the backwashing of the carrier filler of the biofilm reactor is not thorough, the control of reaction conditions in the reactor is more complicated than that of the activated sludge method, and the like.
Disclosure of Invention
Aiming at the technical problem, the invention provides a turning plate type biofilm reactor, wherein a carrier of the biofilm reactor consists of a plurality of turning plate carrier components, so that backwashing is facilitated; meanwhile, the reaction conditions such as the concentration of dissolved oxygen in the reactor, the flow of sewage and the like can be flexibly controlled by controlling the angle of the rotary carrier.
The technical purpose is realized by the following technical scheme: a turning plate type biomembrane reactor comprises a reactor shell, a turning plate carrier area and an aeration area;
the overturning plate carrier area is arranged at the upper part of the aeration area; the turnover plate carrier region comprises a plurality of turnover plate carrier assemblies; the turnover plate carrier assembly comprises a carrier framework, a plurality of transverse bamboo poles and a rotary carrier; the transverse bamboo poles are transversely arranged on the carrier framework from top to bottom; the rotary carrier comprises a bamboo strip net framework, cotton cloth covering the bamboo strip net framework and coral sand arranged on the surface of the cotton cloth; the bamboo strip net framework can be rotatably arranged on the transverse bamboo poles; the carrier framework of the turnover plate carrier assembly is arranged on the inner wall of the reactor shell, so that the longitudinal rod of the carrier framework is vertical to the bottom surface of the reactor;
the aeration zone is provided with a plurality of microporous aeration heads, and the bottom of the aeration zone is provided with a sludge discharge port and a valve.
In the above scheme, the reactor shell is cylindrical, cubic or cuboid and is made of stainless steel or organic glass.
In the scheme, the inner wall of the reactor shell is uniformly provided with a plurality of hooks, and the carrier framework is hung on the hooks. Preferably, the number of hooks is 2-4 times the number of flip board carrier assemblies.
In the above scheme, the carrier skeleton comprises a longitudinal rod; the transverse bamboo poles are transversely arranged on the longitudinal poles from top to bottom; the distance between any two adjacent transverse bamboo poles is equal.
Furthermore, the transverse bamboo poles and the longitudinal poles are connected in a binding mode through cotton threads, and the diameters of the transverse bamboo poles and the longitudinal poles are 5-8 mm.
In the scheme, the bamboo strip net framework is a square structure woven by transverse and longitudinal bamboo strips with the diameter of 2-4 mm.
Furthermore, the bamboo battens of the bamboo batten mesh framework are bound and connected through cotton threads, and the length and the width of a square hole formed between the horizontal bamboo battens and the vertical bamboo battens are 7-10 mm. Preferably, the width of the bamboo strip net framework is equivalent to the length of the transverse bamboo poles, and the half length of the bamboo strip net framework is equivalent to the distance between two adjacent transverse bamboo poles.
In the scheme, the cotton cloth is waste cotton cloth, the size of the cotton cloth is the same as that of the bamboo batten net framework, and the cotton cloth is respectively bound and installed on the front side and the back side of the bamboo batten net framework through cotton threads.
In the scheme, the coral sand is bound and installed on the cotton cloth on the two sides of the rotary carrier through cotton threads, the surface area of the coral sand occupied on the surface of the cotton cloth accounts for 30% -60% of the total surface area of the cotton cloth, the size of the coral sand is 5-15 mm, a biomembrane can be guaranteed to be in an aerobic state, and meanwhile the treatment efficiency of sewage is improved.
In the above scheme, the middle position of the bamboo strip net framework is connected with the horizontal bamboo poles through cotton threads, and the bamboo strip net framework can rotate around the horizontal bamboo poles.
When the turning plate type biomembrane reactor is assembled, the turning plate carrier assembly is arranged on the hook on the inner wall of the shell of the reactor through cotton threads, so that the longitudinal rod of the carrier framework is vertical to the bottom surface of the reactor, the dissolved oxygen on the surface of the carrier is uniformly distributed, and the sewage treatment effect is improved. When the turnover plate type biomembrane reactor works, sewage is fed from one end of the upper part of the reactor, and is discharged from the other end of the upper part of the reactor after being degraded by microorganisms on the surface of the square rotating carrier in the reactor; the suspended sludge dropped off from the reactor is discharged through a sludge discharge port.
Compared with the prior art, the invention has the beneficial effects that: the bamboo strip net framework of the turnover plate type can rotate, can perform back washing from various angles, and has good back washing effect; by rotating the bamboo strip net framework, the reaction conditions such as the concentration of dissolved oxygen, the flow of sewage and the like in the reactor can be controlled, and better reaction conditions can be more easily achieved; the surface of the rotary carrier is made of coral sand and waste cotton cloth, so that the film forming effect is good, and the removal rate of pollutants in sewage is high. The connection by cotton thread is cheap, and the cotton thread is biocompatible and utilizes a hanging film. The carrier framework and the bamboo strip net framework are made of bamboo rods, and the film hanging effect is good.
Drawings
FIG. 1 is a schematic structural diagram of a turning plate type biofilm reactor;
FIG. 2 is a schematic view of a roll-over sheet carrier assembly;
FIG. 3 is a cross-sectional view of a square rotating carrier;
FIG. 4 is a schematic view of a vector backbone;
fig. 5 is a schematic view of a bamboo strip net framework.
In the figure: 1. a reactor housing; 2. turning over the onboard carrier region; 3. an aeration zone; 4. a carrier backbone; 5. a microporous aeration head; 6. a sludge discharge port; 7. a valve; 8. hooking; 9. transverse bamboo poles; 10. rotating the carrier; 11. a bamboo strip net framework; 12. cotton cloth; 13. coral sand.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
As shown in fig. 1 to 5, a turning plate type biofilm reactor comprises a reactor shell 1, a turning plate carrier zone 2 and an aeration zone 3, wherein the turning plate carrier zone 2 is arranged at the upper part of the aeration zone 3. The turnover plate carrier region 2 comprises a plurality of turnover plate carrier assemblies; the aeration zone 3 is provided with a microporous aeration head 5. And a sludge discharge port 6 and a valve 7 are arranged at the middle position of the bottom of the aeration zone 3 to control the discharge of sludge.
The reactor shell 1 is cylindrical, preferably made of stainless steel; the inner wall of the reactor shell 1 is uniformly provided with a plurality of hooks 8 for fixing the turnover plate carrier components, preferably, the number of the hooks 8 is 2 times of the number of the turnover plate carrier components.
The flip board carrier assembly includes a carrier frame 4 and a square rotating carrier 10. The carrier framework 4 is formed by connecting bamboo poles into a rectangular structure and enabling the rectangular structure to transversely penetrate through a plurality of transverse bamboo poles 9, and the distance between any two adjacent transverse bamboo poles 9 is equal; wherein the fixing mode among different bamboo poles is that the cotton thread is binded fixedly, and the diameter of bamboo pole is 5 mm. The square rotary carrier 10 comprises a bamboo strip net framework 11, waste cotton cloth 12 covering the bamboo strip net framework 11 and coral sand 13 fixed on the surface of the waste cotton cloth. The bamboo strip net framework 11 is a square structure woven by transverse and longitudinal bamboo strips with the diameter of 2mm, the half length of the square structure is equivalent to the distance between two adjacent transverse bamboo poles 9, and the width of the square structure is equivalent to the length of the transverse bamboo poles 9 on the carrier framework 4; the bamboo strips are bound and fixed by cotton threads, and the length and the width of a square hole formed between the transverse bamboo strips and the longitudinal bamboo strips are 8mm and 7mm respectively. The waste cotton cloth 12 covered on the bamboo strip net framework 11 is from waste cotton cloth in daily life, has the same size as the bamboo strip net framework 11, and is respectively bound and fixed on two sides of the bamboo strip net framework 11 through cotton threads. The coral sand 13 is bound on the waste cotton cloth 12 on the two sides of the square rotary carrier 10 through cotton threads, the surface area of the coral sand 13 on the surface of the square rotary carrier 10 accounts for 30% of the total surface area of the square rotary carrier 10, and the size of the coral sand 13 is 5 mm.
When the turnover plate carrier assembly is assembled, the middle of the square rotary carrier 10 is fixed on the transverse bamboo pole 9 of the carrier framework 4 through cotton threads, the length direction of the square rotary carrier 10 is parallel to the length direction of the carrier framework 4, and the square rotary carrier 10 can rotate around the transverse bamboo pole 9 of the carrier framework 4.
The bottom of the aeration zone 3 is provided with microporous aeration heads 5, and the number of the microporous aeration heads 5 is the same as that of the turnover plate carrier components.
When the turning plate type biomembrane reactor is assembled, the turning plate carrier assembly is fixed on a hook 8 on the inner wall of the reactor shell 1 through cotton threads, so that the longitudinal rod of the carrier framework 4 is vertical to the bottom surface of the reactor.
Example 2
A turning plate type biomembrane reactor comprises a reactor shell 1, a turning plate carrier area 2 and an aeration area 3, wherein the turning plate carrier area 2 is arranged at the upper part of the aeration area 3. The turnover plate carrier region 2 comprises a plurality of turnover plate carrier assemblies; the aeration zone 3 is provided with a microporous aeration head 5. The middle position of the bottom of the aeration zone 3 is provided with a sludge discharge port 6 and a valve 7 for controlling the discharge of sludge.
The reactor shell 1 is cubic, preferably made of organic glass; the inner wall of the reactor shell 1 is uniformly provided with a plurality of hooks 8 for fixing the turnover plate carrier components, preferably, the number of the hooks 8 is 4 times of the number of the turnover plate carrier components.
The flip board carrier assembly includes a carrier frame 4 and a square rotating carrier 10. The carrier framework 4 is formed by connecting bamboo poles in a rectangular structure and transversely penetrating a plurality of transverse bamboo poles 9, and the distance between any two adjacent transverse bamboo poles 9 is equal; wherein the fixing mode among different bamboo poles is that the cotton thread is binded fixedly, and the diameter of bamboo pole is 8 mm. The square rotary carrier 10 comprises a bamboo strip net framework 11, waste cotton cloth 12 covering the bamboo strip net framework 11 and coral sand 13 fixed on the surface of the waste cotton cloth 12. The bamboo strip net framework 11 is a square structure woven by transverse and longitudinal bamboo strips with the diameter of 4mm, the half length of the square structure is equivalent to the distance between two adjacent transverse bamboo poles 9, and the width of the square structure is equivalent to the length of the transverse bamboo poles 9 on the carrier framework 4; the bamboo strips are bound and fixed by cotton threads, and the length and the width of a square hole formed between the transverse bamboo strips and the longitudinal bamboo strips are respectively 10mm and 9 mm. The waste cotton cloth 12 covered on the bamboo strip net framework 11 is from waste cotton cloth in daily life, has the same size as the bamboo strip net framework 11, and is respectively bound and fixed on two sides of the bamboo strip net framework 11 through cotton threads. The coral sand 13 is bound on the waste cotton cloth 12 on the two sides of the square rotary carrier 10 through cotton threads, the surface area of the coral sand 13 on the surface of the square rotary carrier 10 accounts for 60% of the total surface area of the square rotary carrier 10, and the size of the coral sand 13 is 15 mm.
When the turnover plate carrier assembly is assembled, the middle of the square rotary carrier 10 is fixed on the transverse bamboo pole 9 of the carrier framework 4 through cotton threads, the length direction of the square rotary carrier 10 is parallel to the length direction of the carrier framework 4, and the square rotary carrier 10 can rotate around the transverse bamboo pole 9 of the carrier framework 4.
The bottom of the aeration zone 3 is provided with microporous aeration heads 5, and the number of the microporous aeration heads 5 is the same as that of the turnover plate carrier components.
When the turning plate type biomembrane reactor is assembled, the turning plate carrier assembly is fixed on a hook 8 on the inner wall of the reactor shell 1 through cotton threads, so that the longitudinal rod of the carrier framework 4 is vertical to the bottom surface of the reactor.
Based on the design of the structure and parameter range of the invention, the novel turnover plate type biomembrane reactor prepared in the embodiment 1 and the embodiment 2 is adopted to treat the urban domestic sewage, wherein the biomembrane reactors of the two embodiments have the same operation condition and the aeration rate of 0.1m3And h, the pH value of inlet water is about 7.2, the temperature is about 25 ℃, the hydraulic retention time is 8h, and the carrier filler is 45%. After the biofilm reactor was stably operated for one month, the removal rate of COD in the biofilm reactor manufactured in example 1 could reach 95.6%, NH4+The removal rate of-N can reach 95.1%; example 2 COD removal in the Membrane bioreactor can reach 96.9%, NH4+The removal rate of-N can reach 95.9%; the treatment effect is good. In the test process, the back washing effect of the two biomembrane reactors is good, and the reaction conditions are easy to control.
The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (10)
1. A turning plate type biomembrane reactor is characterized by comprising a reactor shell (1), a turning plate carrier area (2) and an aeration area (3);
the overturning plate carrier region (2) is arranged at the upper part of the aeration region (3); the overturning plate carrier region (2) comprises a plurality of groups of overturning plate carrier assemblies; the turnover plate carrier assembly comprises a carrier framework (4), a plurality of transverse bamboo poles (9) and a rotary carrier (10); the transverse bamboo poles (9) are transversely arranged on the carrier framework (4) from top to bottom; the rotary carrier (10) comprises a bamboo strip net framework (11), cotton cloth (12) covering the bamboo strip net framework (11) and coral sand (13) arranged on the surface of the cotton cloth (12); the bamboo strip net framework (11) can be rotatably arranged on the transverse bamboo poles (9); the carrier framework (4) of the turnover plate carrier assembly is arranged on the inner wall of the reactor shell (1), so that the longitudinal rod of the carrier framework (4) is vertical to the bottom surface of the reactor;
the aeration zone (3) is provided with a plurality of microporous aeration heads (5), and the bottom of the aeration zone (3) is provided with a sludge discharge port (6) and a valve (7).
2. The biofilm reactor of claim 1, wherein the reactor housing (1) is cylindrical or cubic or cuboid and is made of stainless steel or plexiglass.
3. The turning plate biofilm reactor of claim 1, characterized in that the inner wall of the reactor housing (1) is evenly provided with a plurality of hooks (8), the carrier skeleton (4) being hung on the hooks (8).
4. The turning plate biofilm reactor of claim 1, wherein the carrier backbone (4) comprises longitudinal rods; the transverse bamboo poles (9) are transversely arranged on the longitudinal poles from top to bottom; the distance between any two adjacent transverse bamboo poles (9) is equal.
5. The turning plate type biofilm reactor of claim 4, wherein the transverse bamboo rods (9) and the longitudinal rods are bound and connected through cotton threads, and the diameters of the transverse bamboo rods (9) and the longitudinal rods are 5-8 mm.
6. The turning plate type biofilm reactor of claim 1, wherein the bamboo strip net skeleton (11) is a square structure woven by transverse and longitudinal bamboo strips with a diameter of 2-4 mm.
7. The turning plate type biofilm reactor of claim 6, wherein the bamboo strips of the bamboo strip net framework (11) are bound and connected by cotton threads, and the length and width of square holes formed between the transverse and longitudinal bamboo strips are 7-10 mm.
8. The biofilm reactor of claim 1, wherein the cotton cloth (12) is waste cotton cloth, and the size of the cotton cloth (12) is the same as that of the bamboo strip net framework (11), and the cotton cloth is bound and installed on the front and back surfaces of the bamboo strip net framework (11) through cotton threads respectively.
9. The turning plate type biofilm reactor of claim 1, wherein the coral sand (13) is bound and mounted on the cotton cloth (12) on both sides of the rotary carrier (10) by cotton threads, the coral sand (13) occupies 30-60% of the surface area of the cotton cloth (12) and the coral sand (13) has a size of 5-15 mm.
10. The turning plate biofilm reactor of claim 1, wherein the middle position of the bamboo strip net skeleton (11) is connected with the horizontal bamboo poles (9) by cotton threads, and the bamboo strip net skeleton (11) can rotate around the horizontal bamboo poles (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110162401.7A CN113044965B (en) | 2021-02-05 | 2021-02-05 | Turnover plate type biofilm reactor |
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| CN202110162401.7A CN113044965B (en) | 2021-02-05 | 2021-02-05 | Turnover plate type biofilm reactor |
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| CN113044965B CN113044965B (en) | 2022-12-16 |
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Citations (8)
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|---|---|---|---|---|
| GB1557473A (en) * | 1977-07-22 | 1979-12-12 | Fisons Ltd | Preocess and apparatus for the biological treatment of effluent |
| CN2286179Y (en) * | 1997-01-27 | 1998-07-15 | 丁扣林 | Plane network filler for water treatment |
| KR100972921B1 (en) * | 2009-12-02 | 2010-07-28 | 제이케이이앤씨 주식회사 | An apparatus for cleaning and deodorizing of rotation diaphragmed type vortex |
| CN102001742A (en) * | 2010-11-15 | 2011-04-06 | 东华大学 | Submersible stirring type hydrolytic acidification membrane bioreactor |
| CN104445594A (en) * | 2013-09-16 | 2015-03-25 | 上海伟阳纸业有限公司 | Aerobic tank with uniform aeration and large reaction area |
| CN209522740U (en) * | 2019-01-24 | 2019-10-22 | 湖南中新泉环保科技有限公司 | A kind of biomembrane sewage treatment integral structure pond |
| CN110723808A (en) * | 2019-09-30 | 2020-01-24 | 江苏大学 | Magnetic biofilm reactor based on coral sand |
| CN211226530U (en) * | 2019-12-05 | 2020-08-11 | 山东科耀化工有限公司 | Production waste water treatment ware for thermosetting acrylic resin |
-
2021
- 2021-02-05 CN CN202110162401.7A patent/CN113044965B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1557473A (en) * | 1977-07-22 | 1979-12-12 | Fisons Ltd | Preocess and apparatus for the biological treatment of effluent |
| CN2286179Y (en) * | 1997-01-27 | 1998-07-15 | 丁扣林 | Plane network filler for water treatment |
| KR100972921B1 (en) * | 2009-12-02 | 2010-07-28 | 제이케이이앤씨 주식회사 | An apparatus for cleaning and deodorizing of rotation diaphragmed type vortex |
| CN102001742A (en) * | 2010-11-15 | 2011-04-06 | 东华大学 | Submersible stirring type hydrolytic acidification membrane bioreactor |
| CN104445594A (en) * | 2013-09-16 | 2015-03-25 | 上海伟阳纸业有限公司 | Aerobic tank with uniform aeration and large reaction area |
| CN209522740U (en) * | 2019-01-24 | 2019-10-22 | 湖南中新泉环保科技有限公司 | A kind of biomembrane sewage treatment integral structure pond |
| CN110723808A (en) * | 2019-09-30 | 2020-01-24 | 江苏大学 | Magnetic biofilm reactor based on coral sand |
| CN211226530U (en) * | 2019-12-05 | 2020-08-11 | 山东科耀化工有限公司 | Production waste water treatment ware for thermosetting acrylic resin |
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| CN113044965B (en) | 2022-12-16 |
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