CN111392802A - A air supporting system for sewage treatment's clearance of being convenient for - Google Patents
A air supporting system for sewage treatment's clearance of being convenient for Download PDFInfo
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- CN111392802A CN111392802A CN202010221364.8A CN202010221364A CN111392802A CN 111392802 A CN111392802 A CN 111392802A CN 202010221364 A CN202010221364 A CN 202010221364A CN 111392802 A CN111392802 A CN 111392802A
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- air
- inlet pipe
- circular ring
- top plate
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
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Abstract
The invention relates to an air floatation system convenient for cleaning and used for sewage treatment, which comprises an air floatation device, wherein the air floatation device comprises a water tank, a water inlet pipe, a water outlet pipe, a top plate, a treatment mechanism and two support rods, the treatment mechanism comprises a rotating assembly, a circular ring, a cleaning assembly, an air inlet pipe, an air floatation machine, two stirring plates and two air outlet pipes, a plurality of spray heads are arranged on the air outlet pipes, the cleaning assembly comprises a plurality of cleaning units which are circumferentially and uniformly distributed below the circular ring, each cleaning unit comprises a scraper and a telescopic unit, the rotating assembly drives the stirring plates, the circular ring and the air outlet pipes to rotate, the moving range of bubbles sprayed by the spray heads on the air outlet pipes is increased, sewage is driven to flow, the probability of contact of the bubbles with suspended matters in the sewage is increased, so that the sewage purification treatment efficiency is improved, and the scrapers at the liquid level are, the scum is enabled to lean against the inner wall of the water tank by centrifugal force, so that the scum is convenient to clean, and the practicability of the air floatation system is improved.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to an air floatation system which is used for sewage treatment and is convenient to clean.
Background
The air floating device is water treatment equipment which is characterized in that a dissolved air system generates a large amount of micro bubbles in water, so that air is attached to suspended particles in a highly dispersed micro bubble form to cause the density to be lower than that of the water, and floating slag floats on the water surface by utilizing buoyancy to realize solid-liquid separation.
Among the current air supporting device, because the rigidity of bottom air supporting machine, behind the gassing, the bubble upwards floats to the sewage liquid level along fixed route, at the bubble come-up in-process, the suspended particle who contacts is limited, consequently need produce a large amount of small bubbles and rely on the flow of sewage when the air supporting, with the purification treatment effect of assurance to sewage, lead to equipment purification treatment to spend a large amount of time, the purification treatment efficiency of equipment to sewage has seriously been reduced, and after purification treatment, need operate the scum machine of scraping the sediment machine corresponding with the air supporting pond and to the sewage surface in the air supporting pond and clear up, lead to the air supporting procedure loaded down with trivial details, further reduce the practicality of air supporting purification sewage treatment system.
Disclosure of Invention
Aiming at the prior art, the technical problems to be solved by the invention are as follows: in order to overcome the defects of the prior art, the air floatation system which is used for sewage treatment and is convenient to clean is provided.
In order to solve the technical problems, the technical scheme adopted by the invention for solving the technical problems is as follows: an air floatation system convenient for cleaning and used for sewage treatment comprises an air floatation device, wherein the air floatation device comprises a water tank, a controller, a water inlet pipe, a water outlet pipe, a top plate, a treatment mechanism and two support rods, the controller is positioned outside the water tank, the water inlet pipe and the water outlet pipe are respectively positioned at the upper part of one side of the water tank and the lower part of the other side of the water tank, a valve is arranged in the water outlet pipe, the top plate is fixed at the upper part of the water tank through the two support rods, and the treatment mechanism is arranged below the top plate;
the treatment mechanism comprises a rotating assembly, a circular ring, a cleaning assembly, an air inlet pipe, an air floatation machine, two stirring plates and two air outlet pipes, wherein the circular ring is arranged below the top plate through the rotating assembly, the cleaning assembly is positioned below the circular ring, the rotating assembly is in transmission connection with the top of the air inlet pipe, the air floatation machine is fixed at the bottom of the air inlet pipe, the two air outlet pipes are respectively positioned at two ends of the air floatation machine, a plurality of spray heads are arranged above the air outlet pipes along the axial positions of the air outlet pipes, and the two stirring plates are respectively positioned at two sides of the lower part of the air inlet pipe;
the cleaning assembly comprises a plurality of cleaning units which are circumferentially and uniformly distributed below the circular ring, and each cleaning unit comprises a scraper made of plastic with density smaller than that of water and a telescopic unit used for connecting the scraper and the circular ring.
Preferably, in order to drive the circular ring and the air inlet pipe to rotate, the rotating assembly comprises a first gear coaxially fixed on the air inlet pipe, a supporting unit positioned between the circular ring and the top plate and a plurality of driving units circumferentially and uniformly distributed on the periphery of the first gear, each driving unit comprises a motor fixed below the top plate and a second gear meshed with the first gear, the motor is in transmission connection with the second gear, and a plurality of convex teeth which are circumferentially and uniformly distributed and meshed with the second gear are arranged on the inner wall of the circular ring.
Preferably, in order to support the circular ring to rotate stably, the supporting unit comprises an annular groove fixed below the top plate and a plurality of sliding blocks circumferentially and uniformly distributed on the circular ring, the sliding blocks are connected with the annular groove in a sliding manner, and the annular groove is a dovetail groove.
Preferably, the motor is a dc servo motor in order to secure a driving force of the motor.
As preferred, for the convenience of scraper blade lift removal, flexible unit includes montant, the lantern ring, the flange and link, the flange passes through the montant is fixed in the below of roof, the lantern ring cover is established on the montant, the lantern ring pass through the link with scraper blade fixed connection, the cross section of montant is non-circular.
Preferably, in order to prevent impurities from entering the air inlet pipe, a filter screen is arranged at the top of the air inlet pipe.
Preferably, in order to facilitate the rotation of the stirring plate, a plurality of through holes are formed in the stirring plate.
Preferably, in order to enhance the mobility of sewage in the pool, the through holes are distributed in a staggered mode.
Preferably, in order to realize energy conservation and environmental protection of the equipment, the top plate is a photovoltaic plate.
Preferably, in order to support the air outlet pipe to rotate, one end of the air outlet pipe, which is far away from the air floating machine, is provided with a roller which is in contact with the bottom of the inner side of the water pool.
The invention has the advantages that the rotating assembly drives the stirring plate, the circular ring and the air outlet pipe to rotate, the moving range of bubbles sprayed by the spray head on the air outlet pipe is increased, sewage is driven to flow, the probability of contact between the bubbles and suspended matters in the sewage is increased, the sewage purification treatment efficiency is improved, and the scraping plate at the liquid level is rotated to ensure that floating slag is leaned against the inner wall of the water pool by centrifugal force, so that the cleaning is convenient, and the practicability of the air floating system is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic illustration of a clean-up air flotation system for wastewater treatment according to the present invention;
FIG. 2 is a cross-sectional view of a clean-up facilitating air flotation system for wastewater treatment according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic illustration of a rotating assembly of the clean-up facilitating air flotation system for wastewater treatment according to the present invention;
in the figure: 1. the water tank comprises a water tank, 2 parts of a controller, 3 parts of a water inlet pipe, 4 parts of a water outlet pipe, 5 parts of a top plate, 6 parts of a support rod, 7 parts of a circular ring, 8 parts of an air inlet pipe, 9 parts of an air floating machine, 10 parts of a stirring plate, 11 parts of an air outlet pipe, 12 parts of a spray head, 13 parts of a scraping plate, 14 parts of a first gear, 15 parts of a motor, 16 parts of a second gear, 17 parts of a convex tooth, 18 parts of an annular groove, 19 parts of a sliding block, 20 parts of a vertical rod, 21 parts of a lantern ring, 22 parts of a convex plate, 23 parts.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, an air flotation system for sewage treatment and convenient to clean comprises an air flotation device, wherein the air flotation device comprises a water tank 1, a controller 2, a water inlet pipe 3, a water outlet pipe 4, a top plate 5, a treatment mechanism and two support rods 6, the controller 2 is positioned at the outer side of the water tank 1, the water inlet pipe 3 and the water outlet pipe 4 are respectively positioned at the upper part of one side of the water tank 1 and the lower part of the other side of the water tank 1, a valve is arranged in the water outlet pipe 4, the top plate 5 is fixed at the upper part of the water tank 1 through the two support rods 6, and the treatment mechanism is arranged below the top plate 5;
when using this sewage treatment system, let in pond 1 with sewage through inlet tube 3, then the staff passes through the operation of control starting equipment, carries out air supporting purification treatment to sewage through the processing mechanism of roof 5 below, and after the processing finishes, the valve in the control outlet pipe 4 is opened for the water after the purification passes through outlet pipe 4 and discharges.
As shown in fig. 2, the treatment mechanism includes a rotating assembly, a ring 7, a cleaning assembly, an air inlet pipe 8, an air flotation machine 9, two stirring plates 10 and two air outlet pipes 11, the ring 7 is disposed below the top plate 5 through the rotating assembly, the cleaning assembly is located below the ring 7, the rotating assembly is in transmission connection with the top of the air inlet pipe 8, the air flotation machine 9 is fixed at the bottom of the air inlet pipe 8, the two air outlet pipes 11 are respectively located at two ends of the air flotation machine 9, a plurality of nozzles 12 are arranged above the air outlet pipes 11 along the axial positions thereof, and the two stirring plates 10 are respectively located at two sides of the lower portion of the air inlet pipe 8;
the cleaning assembly comprises a plurality of cleaning units which are circumferentially and uniformly distributed below the circular ring 7, wherein each cleaning unit comprises a scraper 13 made of plastic with density smaller than that of water and a telescopic unit used for connecting the scraper 13 with the circular ring 7.
After wastewater is introduced into the water tank 1, in the cleaning assembly, the scraper 13 in the cleaning unit is subjected to the buoyancy of the wastewater, under the limiting action of the telescopic unit, the lower surface of the scraper 13 extends into the position below the wastewater liquid level, the upper surface of the scraper 13 extends out of the wastewater liquid level, at the moment, the controller 2 controls the air flotation machine 9 to start, external air is introduced by using the air inlet pipe 8, the air is compressed and crushed into a plurality of micro bubbles, the micro bubbles are sprayed out through the spray head 12 on the air outlet pipe 11, the bubbles float in the wastewater, suspended particles in the wastewater are driven to float upwards and move to the wastewater liquid level, in order to improve the purification efficiency, the air inlet pipe 8 and the scraper 13 are driven to rotate by the rotating assembly, when the air inlet pipe 8 is driven by the rotating assembly to rotate, the stirring plates 10 on two sides of the air inlet pipe 8 are driven to rotate, thereby the wastewater in the water tank 1, drive the outlet duct 11 at air supporting machine 9 both ends simultaneously and the shower nozzle 12 on the outlet duct 11 rotates, the probability of bubble and suspended particle contact has further been increased, enlarge bubble home range, thereby handle sewage with higher speed, and simultaneously, because scraper blade 13 is located sewage liquid level department, drive the rotatory in-process of ring 7, make the rivers of sewage liquid level department rotatory, so make the dross of liquid level department receive the effect of centrifugal force and lean on to the inner wall in pond 1, be convenient for advance the clearance to the dross, it is more convenient to make air supporting purification treatment, and then the practicality of this air supporting system has been improved.
As shown in fig. 3-4, the rotating assembly includes a first gear 14 coaxially fixed on the air inlet pipe 8, a supporting unit located between the circular ring 7 and the top plate 5, and a plurality of driving units circumferentially and uniformly distributed on the periphery of the first gear 14, the driving unit includes a motor 15 fixed below the top plate 5 and a second gear 16 meshed with the first gear 14, the motor 15 is in transmission connection with the second gear 16, and a plurality of convex teeth 17 circumferentially and uniformly distributed and meshed with the second gear 16 are arranged on the inner wall of the circular ring 7.
When the rotating assembly operates, the controller 2 controls the motors 15 in the driving units to synchronously operate to drive the second gear 16 below to rotate, the second gear 16 acts on the convex teeth 17 meshed with the second gear, the circular ring 7 is driven to rotate under the supporting action of the supporting unit through the convex teeth 17, and meanwhile, the second gear 16 acts on the first gear 14 meshed with the second gear to enable the first gear 14 to rotate, so that the air inlet pipe 8 coaxially and fixedly connected with the first gear 14 is driven to rotate.
Preferably, in order to support the circular ring 7 to rotate stably, the supporting unit comprises an annular groove 18 fixed below the top plate 5 and a plurality of sliding blocks 19 uniformly distributed on the circular ring 7 in the circumferential direction, the sliding blocks 19 are connected with the annular groove 18 in a sliding manner, and the annular groove 18 is a dovetail groove. The rotating track of the circular ring 7 is standardized by utilizing the annular groove 18 fixed below the top plate 5, and the sliding block 19 cannot be separated from the annular groove 18 because the annular groove 18 is a dovetail groove, so that the stable rotation of the circular ring 7 is ensured.
Preferably, the motor 15 is a dc servo motor in order to ensure the driving force of the motor 15 by utilizing the characteristic that the driving force of the dc servo motor is strong.
As shown in fig. 3, the telescopic unit includes a vertical rod 20, a sleeve ring 21, a convex plate 22 and a connecting frame 23, the convex plate 22 is fixed below the top plate 5 through the vertical rod 20, the sleeve ring 21 is sleeved on the vertical rod 20, the sleeve ring 21 is fixedly connected with the scraper 13 through the connecting frame 23, and the cross section of the vertical rod 20 is non-circular.
In the flexible unit, the lantern ring 21 can be along montant 20 lifting movement, and then make things convenient for scraper blade 13 to move along with the liquid level lift of sewage through link 23, utilize flange 22 to limit the home range of lantern ring 21 on montant 20, prevent that the lantern ring 21 from breaking away from montant 20, and montant 20's cross section is non-circular, when circular motion is round 8 axes of intake pipe to the electronic montant 20 of ring 7 of being convenient for, drive scraper blade 13 through lantern ring 21 and link 23 and rotate round 8 axes of intake pipe, avoid scraper blade 13 self to take place the rotation.
Preferably, a filter screen 24 is arranged on the top of the air inlet pipe 8 to prevent impurities from entering the air inlet pipe 8. The air entering the air inlet pipe 8 is dedusted and filtered by the filter screen 24, so that impurities are prevented from entering the air inlet pipe 8 and affecting the normal operation of the air flotation machine 9.
Preferably, in order to facilitate the rotation of the stirring plate 10, a plurality of through holes are formed on the stirring plate 10. The mass of the stirring plate 10 is reduced through the through holes, the surface area of the single surface of the stirring plate 10 is increased, the resistance of sewage received when the stirring plate 10 rotates is reduced conveniently, and cross flow of the sewage is facilitated through the through holes, so that the flowability of the sewage is enhanced.
Preferably, the through holes are distributed in a staggered manner in order to enhance the mobility of the sewage in the pool 1. The through holes which are arranged in a staggered mode are utilized to enable sewage at each height position corresponding to the through holes in the water tank 1 to generate cross flow, so that the flowability of the sewage is further enhanced, the probability of contact of micro bubbles and suspended matters in the sewage is increased, and the purification efficiency is improved.
Preferably, in order to realize energy conservation and environmental protection of the equipment, the top plate 5 is a photovoltaic plate. The roof 5 can be used for photovoltaic power generation in sunny days, electric energy is stored for equipment to run, and therefore energy conservation and environmental protection of the equipment are achieved.
Preferably, in order to support the air outlet pipe 11 to rotate, one end of the air outlet pipe 11 far away from the air floating machine 9 is provided with a roller 25 contacting with the bottom of the inner side of the water tank 1. The roller 25 on the air outlet pipe 11 is contacted with the bottom of the inner side of the water tank 1, so that the air outlet pipe 11 is supported to rotate around the axis of the air inlet pipe 8.
When the air floatation system operates, the air inlet pipe 8 is driven to rotate around the axis of the air floatation system through the rotating component, the stirring plate 10 and the air outlet pipe 11 are driven to rotate, the moving range of the bubbles sprayed out by the spray head 12 on the air outlet pipe 11 is enlarged, the stirring plate 10 rotates to drive sewage to flow, the contact probability of suspended matters in the bubbles and the sewage is increased, the sewage purification treatment efficiency is improved, in addition, in the purification treatment process, the telescopic unit is utilized to enable the scraper 13 to be in contact with the sewage liquid level, the scraper 13 is driven to rotate through the rotation of the ring 7, the slag scraping at the sewage liquid level is influenced by the centrifugal force to float to the inner wall of the water tank 1, the cleaning is convenient, and the practicability of the air floatation system for sewage.
Compared with the prior art, this an air supporting system for sewage treatment's clearance of being convenient for drives stirring board 10 through rotatory subassembly, ring 7 and outlet duct 11 rotate, increase the home range of 12 spun bubbles of shower nozzle on the outlet duct 11, it flows to drive the sewage, the probability of increase bubble and the contact of suspended solid in the sewage, thereby improve sewage purification treatment efficiency, and, the scraper blade 13 that utilizes liquid level department is rotatory, make the dross receive centrifugal force by to 1 inner wall in pond, be convenient for clear up, thereby the practicality of this air supporting system has been improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides an air supporting system that is used for sewage treatment's clearance of being convenient for which characterized in that: the device comprises an air flotation device, wherein the air flotation device comprises a water pool (1), a controller (2), a water inlet pipe (3), a water outlet pipe (4), a top plate (5), a treatment mechanism and two support rods (6), the controller (2) is positioned on the outer side of the water pool (1), the water inlet pipe (3) and the water outlet pipe (4) are respectively positioned on the upper part of one side of the water pool (1) and the lower part of the other side of the water pool (1), a valve is arranged in the water outlet pipe (4), the top plate (5) is fixed on the upper part of the water pool (1) through the two support rods (6), and the treatment mechanism is arranged below the top plate (5);
the treatment mechanism comprises a rotating assembly, a circular ring (7), a cleaning assembly, an air inlet pipe (8), an air floatation machine (9), two stirring plates (10) and two air outlet pipes (11), wherein the circular ring (7) is arranged below the top plate (5) through the rotating assembly, the cleaning assembly is positioned below the circular ring (7), the rotating assembly is in transmission connection with the top of the air inlet pipe (8), the air floatation machine (9) is fixed at the bottom of the air inlet pipe (8), the two air outlet pipes (11) are respectively positioned at two ends of the air floatation machine (9), a plurality of spray heads (12) are arranged above the air outlet pipes (11) along the axial positions of the air outlet pipes, and the two stirring plates (10) are respectively positioned at two sides of the lower part of the air inlet pipe (8);
the cleaning assembly comprises a plurality of cleaning units which are circumferentially and uniformly distributed below the circular ring (7), and each cleaning unit comprises a scraper (13) made of plastic with density smaller than that of water and a telescopic unit used for connecting the scraper (13) and the circular ring (7).
2. The clean-up facilitated air flotation system for wastewater treatment of claim 1, further comprising: the rotating assembly comprises a first gear (14) coaxially fixed on an air inlet pipe (8), a supporting unit located between a circular ring (7) and a top plate (5) and a driving unit with a plurality of circumferential uniform distributions on the periphery of the first gear (14), the driving unit comprises a motor (15) fixed below the top plate (5) and a second gear (16) meshed with the first gear (14), the motor (15) is in transmission connection with the second gear (16), and a plurality of circumferential uniform distributions and convex teeth (17) meshed with the second gear (16) are arranged on the inner wall of the circular ring (7).
3. The clean-up facilitated air flotation system for wastewater treatment of claim 2, further comprising: the supporting unit comprises an annular groove (18) fixed below the top plate (5) and a plurality of sliding blocks (19) which are circumferentially and uniformly distributed on the annular ring (7), the sliding blocks (19) are in sliding connection with the annular groove (18), and the annular groove (18) is a dovetail groove.
4. The clean-up facilitated air flotation system for wastewater treatment of claim 2, further comprising: the motor (15) is a direct current servo motor.
5. The clean-up facilitated air flotation system for wastewater treatment of claim 1, further comprising: the telescopic unit comprises a vertical rod (20), a sleeve ring (21), a convex plate (22) and a connecting frame (23), wherein the convex plate (22) is fixed below the top plate (5) through the vertical rod (20), the sleeve ring (21) is sleeved on the vertical rod (20), the sleeve ring (21) is arranged on the connecting frame (23) and fixedly connected with the scraper (13), and the cross section of the vertical rod (20) is non-circular.
6. The clean-up facilitated air flotation system for wastewater treatment of claim 1, further comprising: and a filter screen (24) is arranged at the top of the air inlet pipe (8).
7. The clean-up facilitated air flotation system for wastewater treatment of claim 1, further comprising: the stirring plate (10) is provided with a plurality of through holes.
8. The clean-up facilitated air flotation system for wastewater treatment of claim 7, further comprising: the positions of the through holes are distributed in a staggered mode.
9. The clean-up facilitated air flotation system for wastewater treatment of claim 1, further comprising: the top plate (5) is a photovoltaic plate.
10. The clean-up facilitated air flotation system for wastewater treatment of claim 1, further comprising: and one end of the air outlet pipe (11) far away from the air floatation machine (9) is provided with a roller (25) which is in contact with the bottom of the inner side of the water pool (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010221364.8A CN111392802A (en) | 2020-03-26 | 2020-03-26 | A air supporting system for sewage treatment's clearance of being convenient for |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010221364.8A CN111392802A (en) | 2020-03-26 | 2020-03-26 | A air supporting system for sewage treatment's clearance of being convenient for |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111392802A true CN111392802A (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010221364.8A Withdrawn CN111392802A (en) | 2020-03-26 | 2020-03-26 | A air supporting system for sewage treatment's clearance of being convenient for |
Country Status (1)
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| CN (1) | CN111392802A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112875788A (en) * | 2021-01-14 | 2021-06-01 | 郭建军 | Dissolved air flotation tank for sewage treatment |
| CN113003639A (en) * | 2021-03-04 | 2021-06-22 | 袁毅 | Advection formula air supporting device based on sewage treatment usefulness |
| CN113185013A (en) * | 2021-04-08 | 2021-07-30 | 王彦婕 | Coating wastewater treatment system |
| CN113716748A (en) * | 2021-09-08 | 2021-11-30 | 滨州职业学院 | Waste liquid treatment device is used in chemical industry equipment production |
| CN114835308A (en) * | 2021-02-01 | 2022-08-02 | 北京中科润金环保工程股份有限公司 | Integrated device for treating water and electricity induced ozone air flotation produced in oil field |
| CN117776463A (en) * | 2024-02-26 | 2024-03-29 | 交通运输部水运科学研究所 | Oily sewage treatment device for ports and wharfs |
-
2020
- 2020-03-26 CN CN202010221364.8A patent/CN111392802A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112875788A (en) * | 2021-01-14 | 2021-06-01 | 郭建军 | Dissolved air flotation tank for sewage treatment |
| CN112875788B (en) * | 2021-01-14 | 2022-12-23 | 重庆阁林环保科技有限公司 | Dissolved air flotation tank for sewage treatment |
| CN114835308A (en) * | 2021-02-01 | 2022-08-02 | 北京中科润金环保工程股份有限公司 | Integrated device for treating water and electricity induced ozone air flotation produced in oil field |
| CN113003639A (en) * | 2021-03-04 | 2021-06-22 | 袁毅 | Advection formula air supporting device based on sewage treatment usefulness |
| CN113185013A (en) * | 2021-04-08 | 2021-07-30 | 王彦婕 | Coating wastewater treatment system |
| CN113185013B (en) * | 2021-04-08 | 2023-12-26 | 重庆吉江环保产业集团有限公司 | Coating wastewater treatment system |
| CN113716748A (en) * | 2021-09-08 | 2021-11-30 | 滨州职业学院 | Waste liquid treatment device is used in chemical industry equipment production |
| CN117776463A (en) * | 2024-02-26 | 2024-03-29 | 交通运输部水运科学研究所 | Oily sewage treatment device for ports and wharfs |
| CN117776463B (en) * | 2024-02-26 | 2024-05-28 | 交通运输部水运科学研究所 | Oily sewage treatment device for ports and wharfs |
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Application publication date: 20200710 |