CN113213698A - Deep oxidation method and device for medical wastewater - Google Patents
Deep oxidation method and device for medical wastewater Download PDFInfo
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- CN113213698A CN113213698A CN202110422853.4A CN202110422853A CN113213698A CN 113213698 A CN113213698 A CN 113213698A CN 202110422853 A CN202110422853 A CN 202110422853A CN 113213698 A CN113213698 A CN 113213698A
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 75
- 230000003647 oxidation Effects 0.000 title claims abstract description 73
- 239000002351 wastewater Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004062 sedimentation Methods 0.000 claims abstract description 46
- 238000001914 filtration Methods 0.000 claims abstract description 37
- 239000010865 sewage Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000001301 oxygen Substances 0.000 claims abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 20
- 239000012528 membrane Substances 0.000 claims abstract description 19
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 238000010408 sweeping Methods 0.000 claims description 7
- 210000005056 cell body Anatomy 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 abstract description 3
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 3
- 244000007853 Sarothamnus scoparius Species 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
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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
-
- 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
Abstract
The invention discloses a method and a device for deeply oxidizing medical wastewater, and belongs to the field of wastewater treatment. The filtering tank is provided with a filter screen, the oxidation tank body of the oxidation tank is communicated with the filtering tank through a water inlet pipe, the biological membrane is arranged on a sliding rod in a sliding mode through a supporting frame, an air inlet pipe and an air mixing pipe are communicated with the water inlet pipe, a first blade and a second blade are arranged in the air mixing pipe, and a water outlet pipe is communicated with the sedimentation tank. Through the great impurity of filtering ponds discharge, then sneak into oxygen through the intake pipe, through first blade and second blade intensive mixing back, can be so that sewage and bubble fully contact for it is more abundant to handle, thereby solves the bubble that produces among the prior art great, easily strikes the biomembrane, can cause the biomembrane to drop and the inhomogeneous problem of oxygen distribution in aqueous.
Description
Technical Field
The invention relates to the field of wastewater treatment, in particular to a method and a device for deeply oxidizing medical wastewater.
Background
The pollutants in the medical intermediate wastewater have complex structures, are toxic and harmful, belong to typical organic pollutants difficult to biodegrade, have three causes, and have great harmfulness to human bodies and organisms. The wastewater has high treatment difficulty, has an inhibiting effect on microorganisms, has high treatment cost, and is a great problem which puzzles the field of environmental protection.
In the prior art, the generated bubbles are large and easily impact the biological membrane, so that the biological membrane falls off and oxygen is not uniformly distributed in water.
Disclosure of Invention
The invention aims to provide a method and a device for deeply oxidizing medical wastewater, and aims to solve the problems that in the prior art, generated bubbles are large and easy to impact a biological membrane, the biological membrane falls off, and oxygen is not uniformly distributed in water.
In order to achieve the above purpose, the present invention provides a method and an apparatus for deep oxidation of medical wastewater, comprising a filtering tank, an oxidation tank and a sedimentation tank, wherein the filtering tank has a filter screen, the oxidation tank comprises an oxidation tank body, a biological membrane, a support frame, a sliding rod, a water inlet pipe, an air mixing pipe, a first blade, a second blade and a water outlet pipe, the water inlet pipe is connected with the filtering tank and the oxidation tank body and is positioned between the filtering tank and the oxidation tank body, the air mixing pipe is communicated with the water inlet pipe and is positioned in the oxidation tank, the first blade and the second blade are rotatably connected with the air mixing pipe and are positioned at two sides of the air mixing pipe, the air inlet pipe is connected with the air mixing pipe and is positioned at one side close to the first blade, the sliding rod is fixedly connected with the oxidation tank body and is positioned at one side of the oxidation tank body, the support frame with slide bar sliding connection to be located one side of slide bar, the biomembrane with support frame fixed connection, and be located one side of support frame, the outlet pipe with the oxidation cell body intercommunication, and be located one side of oxidation cell body, the sedimentation tank with the outlet pipe intercommunication.
Wherein, the filtering ponds still include the push rod, the push rod with filtering ponds sliding connection to contact the filter screen.
The push rod comprises a rod body, a rotating motor and a sweeping head, the rod body is connected with the filter tank in a sliding mode, the rotating motor is fixedly connected with the rod body and located on one side of the rod body, and the sweeping head is fixedly connected with a rotating shaft of the rotating motor and located on one side of the rotating motor.
The filter tank further comprises a garbage can, and the garbage can is arranged on one side of the filter tank.
Wherein, the oxidation pond still includes the distributing pipe, the distributing pipe has a plurality of apopores, the distributing pipe with the gas-mixing pipe intercommunication is located one side of second blade.
The sedimentation tank comprises a sedimentation tank body and a scraper plate, wherein the scraper plate is connected with the sedimentation tank body in a sliding mode and is positioned on one side of the sedimentation tank body.
The medical wastewater deep oxidation device further comprises a secondary treatment tank, wherein the secondary treatment tank is communicated with the sedimentation tank body and is positioned on one side of the sedimentation tank body.
In a second aspect, the invention provides a method for deep oxidation of medical wastewater, comprising the following steps:
introducing sewage into the filtering tank, and filtering impurities through a filter screen;
introducing oxygen into the sewage, and mixing the oxygen with the sewage through a first blade and a second blade;
treating sewage through a biological membrane;
and discharging the sewage into a sedimentation tank for sedimentation.
According to the medical wastewater deep oxidation method and device, sewage enters the filter tank after being filtered by the filter screen from an external pipeline, the water inlet pipe is connected with the filter tank and the oxidation tank body, the filtered sewage enters the oxidation tank body through the water inlet pipe, the gas mixing pipe is communicated with the water inlet pipe, the first blade and the second blade are rotatably connected with the gas mixing pipe, the gas inlet pipe is connected with the gas mixing pipe, oxygen can be introduced into the gas inlet pipe, then the oxygen and the sewage are mixed in the gas mixing pipe through the stirring of the first blade and the second blade, large bubbles are dispersed into small bubbles, the sliding rod is fixedly connected with the oxidation tank body, the support frame is slidably connected with the sliding rod, and the biological membrane is fixedly connected with the support frame, the sewage with small bubbles is treated through the biological membrane, so that the treatment can be carried out, the biological membrane can be treated by lifting the support frame after long-time treatment, the water outlet pipe is communicated with the oxidation tank body, the treated sewage enters the sedimentation tank for sedimentation, and the subsequent treatment is convenient. Through the great impurity of filtering ponds discharge, then pass through oxygen is sneaked into to the intake pipe, through first blade with the second blade intensive mixing back can be so that sewage and bubble fully contact for it is more abundant to handle, thereby solves the bubble that produces among the prior art great, easily strikes the biomembrane, can cause the biomembrane to drop and the inhomogeneous problem of oxygen distribution in aqueous.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic sectional view of a medical wastewater deep oxidation apparatus according to the present invention;
FIG. 2 is a schematic cross-sectional view of an oxidation cell of the present invention;
FIG. 3 is a block diagram of a filtration tank of the present invention;
FIG. 4 is a flow chart of a method for deep oxidation of medical wastewater according to the present invention.
1-filter tank, 2-oxidation tank, 3-sedimentation tank, 4-secondary treatment tank, 11-filter screen, 12-push rod, 13-dustbin, 21-oxidation tank, 22-biomembrane, 23-support frame, 24-slide bar, 25-water inlet pipe, 26-air inlet pipe, 27-air mixing pipe, 28-first blade, 29-second blade, 30-water outlet pipe, 31-driven piece, 32-distribution pipe, 33-sedimentation tank, 34-scraper, 35-salvage box, 36-pull rod, 121-rod body, 122-rotating motor, 123-broom head, 321-water outlet hole.
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 "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In a first aspect, referring to fig. 1 to 3, the present invention provides a medical wastewater deep oxidation apparatus, including:
the device comprises a filter tank 1, an oxidation tank 2 and a sedimentation tank 3, wherein the filter tank 1 is provided with a filter screen 11, the oxidation tank 2 comprises an oxidation tank body 21, a biological membrane 22, a support frame 23, a sliding rod 24, a water inlet pipe 25, an air inlet pipe 26, an air mixing pipe 27, a first blade 28, a second blade 29 and a water outlet pipe 30, the water inlet pipe 25 is connected with the filter tank 1 and the oxidation tank body 21 and is positioned between the filter tank 1 and the oxidation tank body 21, the air mixing pipe 27 is communicated with the water inlet pipe 25 and is positioned in the oxidation tank 2, the first blade 28 and the second blade 29 are rotatably connected with the air mixing pipe 27 and are positioned at two sides of the air mixing pipe 27, the air inlet pipe 26 is connected with the air mixing pipe 27 and is positioned at one side close to the first blade 28, the sliding rod 24 is fixedly connected with the oxidation tank body 21 and is positioned at one side of the oxidation tank body 21, the support frame 23 is connected with the sliding rod 24 in a sliding manner and is positioned on one side of the sliding rod 24, the biological membrane 22 is fixedly connected with the support frame 23 and is positioned on one side of the support frame 23, the water outlet pipe 30 is communicated with the oxidation tank body 21 and is positioned on one side of the oxidation tank body 21, and the sedimentation tank 3 is communicated with the water outlet pipe 30.
In this embodiment, the filtering tank 1 has a filtering screen 11, sewage enters the filtering tank 1 after being filtered by the filtering screen 11 from an external pipeline, the oxidation tank 2 includes an oxidation tank body 21, a biological membrane 22, a supporting frame 23, a sliding rod 24, a water inlet pipe 25, an air inlet pipe 26, an air mixing pipe 27, a first blade 28, a second blade 29 and a water outlet pipe 30, the water inlet pipe 25 is connected with the filtering tank 1 and the oxidation tank body 21 and is located between the filtering tank 1 and the oxidation tank body 21, the filtered sewage enters the oxidation tank body 21 through the water inlet pipe 25, the air mixing pipe 27 is communicated with the water inlet pipe 25 and is located in the oxidation tank 2, the first blade 28 and the second blade 29 are rotatably connected with the air mixing pipe 27 and are located at two sides of the air mixing pipe 27, the air inlet pipe 26 is connected with the air mixing pipe 27, the air inlet pipe 26 is located at a side close to the first blade 28, oxygen can be introduced into the air inlet pipe, then oxygen and sewage can be mixed more sufficiently by stirring through the first blade 28 and the second blade 29 in the air mixing pipe 27, large bubbles are broken up into small bubbles, the sliding rod 24 is fixedly connected with the oxidation tank body 21 and located at one side of the oxidation tank body 21, the support frame 23 is slidably connected with the sliding rod 24 and located at one side of the sliding rod 24, the biological membrane 22 is fixedly connected with the support frame 23 and located at one side of the support frame 23, sewage with small bubbles is treated through the biological membrane 22, so that treatment can be performed, the biological membrane 22 can be treated by lifting up the support frame 23 after long-time treatment, and the water outlet pipe 30 is communicated with the oxidation tank body 21, and is located one side of the oxidation pond body 21, the sedimentation tank 3 is communicated with the water outlet pipe 30, and the treated sewage enters the sedimentation tank 3 for sedimentation, so that the subsequent treatment is convenient. Through the great impurity of filtering ponds 1 discharge, then pass through intake pipe 26 sneaks into oxygen, through first blade 28 with second blade 29 intensive mixing back can make sewage and bubble fully contact for it is more abundant to handle, thereby solves the bubble that produces among the prior art great, easily strikes biomembrane 22, can cause biomembrane 22 to drop and the inhomogeneous problem of oxygen distribution in aqueous.
Further, filtering ponds 1 still includes push rod 12, push rod 12 with filtering ponds 1 sliding connection, and contact filtering screen 11.
In this embodiment, the push rod 12 moves on the screen 11, so that the garbage left on the screen 11 can be easily cleaned.
Further, the push rod 12 includes a rod body 121, a rotating motor 122 and a sweeping head 123, the rod body 121 is connected with the filter tank 1 in a sliding manner, the rotating motor 122 is connected with the rod body 121 in a fixed manner and is located on one side of the rod body 121, and the sweeping head 123 is connected with a rotating shaft of the rotating motor 122 in a fixed manner and is located on one side of the rotating motor 122.
In this embodiment, the body of rod 121 can be relative filtering ponds 1 slides, rotate motor 122 and can drive broom head 123 rotates, thereby can the removal in-process of the body of rod 121, through broom head 123 rotates right filter screen 11 clears up, makes the clearance to filter screen 11 more convenient.
Further, the filtering tank 1 further comprises a garbage can 13, and the garbage can 13 is arranged on one side of the filtering tank 1.
In this embodiment, the garbage can 13 can collect the garbage brought by the sweeping head 123, and the garbage can be collectively disposed of.
Further, the oxidation pond 2 further comprises a plurality of driven plates 31, and the plurality of driven plates 31 are rotatably connected with the gas mixing pipe 27 and are positioned between the first blades 28 and the second blades 29.
In the present embodiment, a plurality of the driven plates 31 may be rotated by the push of the sewage, so that the sewage and the gas may be further mixed, and bubbles may be broken, so that the mixing may be more sufficient.
Further, the oxidation pond 2 further comprises a distribution pipe 32, the distribution pipe 32 is provided with a plurality of water outlet holes 321, and the distribution pipe 32 is communicated with the gas mixing pipe 27 and is positioned on one side of the second blade 29.
In this embodiment, through the distributing pipe 32 can accept through the sewage after second blade 29 and the air intensive mixing to through a plurality of apopore 321 discharges, make the play water more even, with the biomembrane 22 contact is more abundant, can further avoid the biomembrane 22 drops, improves treatment effeciency.
Further, the sedimentation tank 3 comprises a sedimentation tank body 33 and a scraper 34, and the scraper 34 is connected with the sedimentation tank body 33 in a sliding manner and is positioned on one side of the sedimentation tank body 33.
In this embodiment, the bottom of the sedimentation tank 33 can be cleaned by the scraper 34, so that sedimentation can be easily moved to one side for treatment.
Further, the sedimentation tank 3 further comprises a fishing box 35 and a pull rod 36, the fishing box 35 is slidably connected with the sedimentation tank body 33 and is located in the sedimentation tank body 33, and the pull rod 36 is fixedly connected with the fishing box 35 and is located on one side of the fishing box 35.
In this embodiment, the fishing box 35 is disposed at one side of the sedimentation tank body 33, and can collect soil brought by the scraper 34, and then the fishing box 35 is lifted by the pull rod 36, so that the sediment can be cleaned more conveniently.
Further, the medical wastewater deep oxidation device further comprises a secondary treatment tank 4, wherein the secondary treatment tank 4 is communicated with the sedimentation tank body 33 and is positioned on one side of the sedimentation tank body 33.
In the embodiment, the disinfectant placed in the secondary treatment tank 4 can treat the treated sewage again, so that the disinfection is more thorough.
In a second aspect, referring to fig. 4, the present invention further provides a method for deep oxidation of medical wastewater, comprising:
s101, introducing sewage into the filtering tank 1, and filtering impurities through a filter screen 11;
the filtering tank 1 is provided with a filter screen 11, and sewage enters the filtering tank 1 after being filtered by the filter screen 11 from an external pipeline.
S102, introducing oxygen into the sewage, and mixing the oxygen with the sewage through the first blade 28 and the second blade 29;
filtered sewage enters the oxidation tank body 21 through the water inlet pipe 25, oxygen can be introduced into the air inlet pipe 26, and then the oxygen and the sewage are mixed more fully through the stirring of the first blade 28 and the second blade 29 in the air mixing pipe 27, and large bubbles are broken up into small bubbles.
S103, treating the sewage through a biological membrane 22;
the sewage with the small bubbles is treated by the biofilm 22, so that the treatment can be performed.
S104, discharging the sewage into the sedimentation tank 3 for sedimentation.
The treated sewage enters the sedimentation tank 3 for sedimentation, so that the subsequent treatment is convenient.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A medical wastewater deep oxidation device, which is characterized in that,
the device comprises a filter tank, an oxidation tank and a sedimentation tank, wherein the filter tank is provided with a filter screen, the oxidation tank comprises an oxidation tank body, a biological membrane, a support frame, a sliding rod, a water inlet pipe, an air mixing pipe, a first blade, a second blade and a water outlet pipe, the water inlet pipe is connected with the filter tank body and the oxidation tank body and is positioned between the filter tank body and the oxidation tank body, the air mixing pipe is communicated with the water inlet pipe and is positioned in the oxidation tank, the first blade and the second blade are rotationally connected with the air mixing pipe and are positioned at two sides of the air mixing pipe, the air inlet pipe is connected with the air mixing pipe and is positioned at one side close to the first blade, the sliding rod is fixedly connected with the oxidation tank body and is positioned at one side of the oxidation tank body, the support frame is slidably connected with the sliding rod and is positioned at one side of the sliding rod, the biomembrane with the support frame fixed connection to be located one side of support frame, the outlet pipe with the oxidation cell body intercommunication is located one side of oxidation cell body, the sedimentation tank with the outlet pipe intercommunication.
2. The medical wastewater deep oxidation device as set forth in claim 1,
the filtering tank further comprises a push rod, and the push rod is connected with the filtering tank in a sliding mode and contacts the filtering net.
3. The deep medical wastewater oxidation device as set forth in claim 2,
the push rod comprises a rod body, a rotating motor and a sweeping head, the rod body is connected with the filter tank in a sliding mode, the rotating motor is fixedly connected with the rod body and located on one side of the rod body, and the sweeping head is fixedly connected with a rotating shaft of the rotating motor and located on one side of the rotating motor.
4. The deep medical wastewater oxidation device as set forth in claim 3,
the filtering tank further comprises a dustbin, and the dustbin is arranged on one side of the filtering tank.
5. The medical wastewater deep oxidation device as set forth in claim 1,
the oxidation pond still includes the distributing pipe, the distributing pipe has a plurality of apopores, the distributing pipe with the gas-mixing pipe intercommunication, and be located one side of second blade.
6. The medical wastewater deep oxidation device as set forth in claim 1,
the sedimentation tank comprises a sedimentation tank body and a scraper plate, wherein the scraper plate is connected with the sedimentation tank body in a sliding mode and is positioned on one side of the sedimentation tank body.
7. The medical wastewater deep oxidation device as set forth in claim 1,
the medical wastewater deep oxidation device further comprises a secondary treatment tank, wherein the secondary treatment tank is communicated with the sedimentation tank body and is positioned on one side of the sedimentation tank body.
8. A deep oxidation method of medical wastewater, which is applied to the deep oxidation device of medical wastewater according to any one of claims 1 to 7,
the method comprises the following steps: introducing sewage into the filtering tank, and filtering impurities through a filter screen;
introducing oxygen into the sewage, and mixing the oxygen with the sewage through a first blade and a second blade;
treating sewage through a biological membrane;
and discharging the sewage into a sedimentation tank for sedimentation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110422853.4A CN113213698A (en) | 2021-04-20 | 2021-04-20 | Deep oxidation method and device for medical wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422853.4A CN113213698A (en) | 2021-04-20 | 2021-04-20 | Deep oxidation method and device for medical wastewater |
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| CN113213698A true CN113213698A (en) | 2021-08-06 |
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| CN211921225U (en) * | 2020-02-20 | 2020-11-13 | 青岛兰海希膜工程有限公司 | Sewage advanced treatment filter tank device |
| CN212127692U (en) * | 2020-05-07 | 2020-12-11 | 水木清环(苏州)环保科技有限公司 | Biological treatment device for sewage |
| CN212731164U (en) * | 2020-06-19 | 2021-03-19 | 盘锦派普环保科技有限公司 | Novel waste water treatment environmental protection device |
| CN112408596A (en) * | 2020-10-30 | 2021-02-26 | 兴源环境科技股份有限公司 | Low energy consumption integration MBR sewage treatment device |
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Application publication date: 20210806 |