CN112358064A - Micro-plastic separation device based on air floatation method - Google Patents
Micro-plastic separation device based on air floatation method Download PDFInfo
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- CN112358064A CN112358064A CN202011243553.1A CN202011243553A CN112358064A CN 112358064 A CN112358064 A CN 112358064A CN 202011243553 A CN202011243553 A CN 202011243553A CN 112358064 A CN112358064 A CN 112358064A
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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
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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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- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, 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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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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
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- C02F2303/16—Regeneration of sorbents, filters
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Abstract
The invention belongs to the technical field of micro-plastic separation, and particularly relates to a micro-plastic separation device based on an air floatation method. According to the invention, the micro plastic particles in seawater are wrapped by bubbles and then rise upwards due to buoyancy factors, the air outlet cylinder also sprays air downwards, so that part of the micro plastic particles which are not wrapped by the bubbles in the stirring plate can be wrapped again, the separation effect of the micro plastic particles is improved, the rotary cylinder drives the scraper to rotate after the micro plastic particles float upwards, the scraper can scrape scum to the overflow hole while rotating, and the scum enters the collecting cylinder through the overflow hole to be collected.
Description
Technical Field
The invention relates to the technical field of micro-plastic separation, in particular to a micro-plastic separation device based on an air floatation method.
Background
Micro plastic, a plastic particle with a diameter less than 5 mm, is a main carrier causing pollution. The microplastic is small, which means a higher specific surface area (specific surface area refers to the surface area per unit mass of porous solid material) and the greater the specific surface area, the greater the capacity for adsorbing contaminants. Compared with "white-contaminated" plastics, the damage of microplastics is manifested in their small particle diameter, which is why they are more environmentally hazardous than ordinary non-degradable plastics.
With the development of society, people are increasingly aware of the environment protection, but plastic products which are discarded in the sea before exist, the plastic products are decomposed into micro plastic particles after existing in the sea for a period of time, if the micro plastic particles are not treated, the environment is polluted, animals in the sea are irretrievably damaged, and at present, people also use devices to separate the micro plastic particles in the sea.
However, in the actual use process, the existing micro plastic particle separation device cannot continuously separate the micro plastic particles, and has poor separation effect and poor practicability.
Disclosure of Invention
Based on the technical problems that the existing micro plastic particle separation device cannot continuously separate micro plastic particles and the separation effect is poor, the invention provides a micro plastic separation device based on an air floatation method.
The invention provides a micro-plastic separation device based on an air floatation method, which comprises a workbench, wherein an installation cylinder is fixed on the outer wall of the top of the workbench through bolts, a separation cylinder is fixed on the outer wall of the top of the installation cylinder through bolts, a collection cylinder is fixed on the outer wall of the separation cylinder through bolts, mounting frames are fixed on the outer walls of two sides of the workbench through bolts, a driving mechanism is fixed on the outer wall of the bottom of the mounting frame through bolts, an air inlet mechanism is arranged on the outer wall of the top of the mounting frame, the outer wall of the bottom of the mounting frame is connected with a rotary drum through a bearing, scrapers are fixed on the outer wall of the rotary drum through bolts and are distributed at equal intervals, air blowing grooves are formed in the outer wall of the rotary drum and are distributed at equal intervals, the air blowing holes and the air blowing grooves are matched for use, and inserting holes are formed, the inner wall of the insertion hole is inserted with an air outlet cylinder, the outer wall of the rotary cylinder is fixed with stirring plates distributed at equal intervals through bolts, the outer wall of the top of each stirring plate is provided with air outlet holes distributed at equal intervals, the outer wall of the separation cylinder is provided with overflow holes distributed at equal intervals, and the overflow holes are matched with the scraper plates for use.
Preferably, the top outer wall of mounting bracket is fixed with the saturated salt solution bin through the bolt, and the bottom outer wall of saturated salt solution bin is opened there is the liquid hole, and the inner wall in liquid hole is pegged graft and is had the drain pipe.
Preferably, the driving mechanism comprises a motor, an output shaft of the motor is connected with a driving gear through a coupling, a driven gear is fixed on the outer wall of the rotary drum through a bolt, and the driving gear is meshed with the driven gear.
Preferably, the outer wall of the rotating drum is fixed with equidistantly distributed spiral plates through bolts, and the outer wall of each spiral plate is provided with a conveying groove.
Preferably, the stirring plate is arc-shaped, and the air outlet is communicated with the interior of the rotary drum through the stirring plate.
Preferably, the air inlet mechanism comprises an air storage box, the outer wall of the top of the air storage box is fixedly provided with an air suction pump through a bolt, and the input end of the air suction pump is sleeved with an air suction hopper.
Preferably, the outer wall of the bottom of the air storage box is provided with a connecting hole, and the outer wall of one end of the rotating drum is connected to the inner wall of the connecting hole through a bearing.
Preferably, a through hole is formed in the outer wall of one side of the mounting frame, and a water inlet pipe is fixed to the inner wall of the through hole through a bolt.
Preferably, the outer wall of a collecting cylinder is provided with a fixing buckle, a filtering membrane is fixed on the outer wall of the fixing buckle through bolts, and the filtering membrane is made of a semipermeable membrane.
The beneficial effects of the invention are as follows:
1. the invention is provided with a driving mechanism, a rotary drum, an air inlet mechanism, a scraper plate, an overflow hole, a stirring plate and an air outlet hole, when micro plastic particles are separated from seawater, the seawater is firstly introduced into the separation drum, then the driving mechanism is started to drive the rotary drum to rotate, the rotary drum drives the stirring plate to rotate while rotating, the air inlet mechanism is started, the air inlet mechanism conveys air into the rotary drum, the rotary drum conveys the air into the air outlet drum, and simultaneously conveys the air into the air outlet hole on the stirring plate, the air flows upwards through the air outlet hole, so that a plurality of bubbles can be generated, the micro plastic particles in the seawater can be wrapped by the bubbles, the air is also sprayed downwards by the air outlet drum due to the fact that the air is lifted upwards because of buoyancy factors after the micro plastic particles in the seawater are wrapped by the bubbles, and therefore, part of the micro plastic particles which are not wrapped by the bubbles in the stirring plate can, little plastic granules upwards floats back rotary drum and drives the scraper blade and rotate, and the scraper blade can scrape the dross to the overflow hole when the pivoted, and the dross is collected in entering into the surge drum through the overflow hole, and is rational in infrastructure, and the practicality is stronger.
2. According to the invention, the blowing grooves and the blowing holes are arranged, when the rotary drum drives the scraper to rotate, air in the rotary drum enters the blowing grooves through the blowing holes, and the scum near the scraper can be blown to the overflow holes while the air flows in the blowing grooves, so that the conveying speed of the scum by the scraper can be enhanced, and the scum can be conveyed to the overflow holes more quickly by the scraper.
3. The seawater desalination device is provided with the saturated salt water storage box, the liquid outlet pipe and the water inlet pipe, the saturated salt water can be conveyed into the separation cylinder through the liquid outlet pipe through the saturated salt water storage box, the density of seawater can be increased after the saturated salt water is mixed with the seawater, so that the density of micro plastic particles is relatively reduced, the micro plastic particles can float upwards in the seawater more quickly, the separation rate of the micro plastic particles is improved, the seawater can be continuously supplemented into the separation cylinder through the water inlet pipe, and meanwhile, the plane of the seawater can be kept near the scraper.
4. According to the invention, the fixing buckle and the filtering membrane are arranged, seawater entering the collecting cylinder can be filtered through the fixing buckle and the filtering membrane, micro plastic particles can be filtered through the semipermeable membrane which is made of the filtering membrane, so that people can conveniently perform centralized treatment on the micro plastic particles, and the filtering membrane can be conveniently replaced through the fixing buckle.
Drawings
FIG. 1 is a schematic view of the overall structure of a micro-plastic separation device based on an air-float process according to example 1 of the present invention;
FIG. 2 is a three-dimensional structure diagram of a scraper of a micro-plastic separation device based on an air floatation method, which is provided by the invention;
FIG. 3 is an enlarged schematic view of the micro-plastic separation device based on the air-float process at A point;
FIG. 4 is a perspective view of a stirring plate of a micro plastic separation apparatus according to the present invention, which is performed by an air floating method;
fig. 5 is a perspective view of a micro plastic separation apparatus according to the air floating method in example 2 of the present invention.
In the figure: the device comprises an air suction pump 1, a water inlet pipe 2, an air storage tank 3, a separation cylinder 4, a collection cylinder 5, a workbench 6, an installation cylinder 7, an overflow hole 8, a mounting rack 9, a saturated salt water storage tank 10, a motor 11, a driving gear 12, a driven gear 13, a rotating cylinder 14, a scraping plate 15, a spiral plate 16, a stirring plate 17, an air outlet hole 18, an air outlet cylinder 19, an air blowing groove 20, an air blowing hole 21, a liquid outlet pipe 22, a fixing buckle 23 and a filtering membrane 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
referring to fig. 1-4, a micro plastic separation device based on an air floatation method comprises a workbench 6, an installation cylinder 7 is fixed on the outer wall of the top of the workbench 6 through bolts, a separation cylinder 4 is fixed on the outer wall of the top of the installation cylinder 7 through bolts, a collection cylinder 5 is fixed on the outer wall of the separation cylinder 4 through bolts, installation frames 9 are fixed on the outer walls of two sides of the workbench 6 through bolts, a driving mechanism is fixed on the outer wall of the bottom of the installation frame 9 through bolts, an air inlet mechanism is arranged on the outer wall of the top of the installation frame 9, the outer wall of the bottom of the installation frame 9 is connected with a rotary drum 14 through a bearing, scrapers 15 distributed at equal intervals are fixed on the outer wall of the rotary drum 14 through bolts, air blowing grooves 20 are arranged on the outer wall of the scraper 15, air blowing holes 21 distributed at equal intervals are arranged on the outer wall of the rotary drum 14, the inner wall of the inserting hole is inserted with an air outlet cylinder 19, the outer wall of the rotary cylinder 14 is fixed with stirring plates 17 which are distributed equidistantly through bolts, the outer wall of the top of each stirring plate 17 is provided with air outlet holes 18 which are distributed equidistantly, the outer wall of the separation cylinder 4 is provided with overflow holes 8 which are distributed equidistantly, the overflow holes 8 and the scraper 15 are matched for use, when the micro plastic particles of seawater are separated, the seawater is firstly introduced into the separation cylinder 4, then a driving mechanism is started to drive the rotary cylinder 14 to rotate, the rotary cylinder 14 drives the stirring plate 17 to rotate while rotating, an air inlet mechanism is started to convey air into the rotary cylinder 14, the rotary cylinder 14 conveys the air into the air outlet cylinder 19, meanwhile, the air is conveyed into the air outlet holes 18 on the stirring plate 17, the air flows upwards through the air outlet holes 18, so that a great amount of air bubbles can be generated, the air bubbles can wrap the micro plastic particles in the seawater, the micro, the air outlet cylinder 19 also downwards sprays air, so that part of micro plastic particles which are not wrapped by the bubbles in the stirring plate 17 can be wrapped again, the separation effect of the micro plastic particles is improved, the rotary cylinder 14 drives the scraper 15 to rotate after the micro plastic particles float upwards, the scraper 15 can scrape scum towards the overflow holes 8 while rotating, and the scum enters the collecting cylinder 5 through the overflow holes 8 to be collected.
According to the invention, the saturated salt water storage box 10 is fixed on the outer wall of the top of the mounting frame 9 through bolts, the outer wall of the bottom of the saturated salt water storage box 10 is provided with the liquid outlet holes, the inner walls of the liquid outlet holes are inserted with the liquid outlet pipes 22, the saturated salt water can be conveyed into the separation barrel 4 through the liquid outlet pipes 22 through the saturated salt water storage box 10, the density of seawater can be increased after the saturated salt water is mixed with seawater, so that the density of micro plastic particles is relatively reduced, the micro plastic particles can float upwards in the seawater more rapidly, and the separation rate of the micro plastic particles is increased.
The driving mechanism comprises a motor 11, an output shaft of the motor 11 is connected with a driving gear 12 through a coupler, a driven gear 13 is fixed on the outer wall of a rotary drum 14 through bolts, the driving gear 12 is meshed with the driven gear 13, the motor 11 drives the driving gear 12 to rotate, the driving gear 12 drives the driven gear 13 to rotate simultaneously, and the driven gear 13 drives the rotary drum 14 to rotate simultaneously.
According to the invention, the outer wall of the rotary drum 14 is fixed with the spiral plates 16 which are distributed at equal intervals through bolts, and the outer wall of the spiral plate 16 is provided with the conveying grooves, so that the ascending speed of the micro plastic particles on the spiral plate 16 can be accelerated through the conveying grooves.
In the present invention, the stirring plate 17 is formed in an arc shape, and the air outlet 18 is communicated with the inside of the drum 14 through the stirring plate 17.
The air inlet mechanism comprises an air storage box 3, an air suction pump 1 is fixed on the outer wall of the top of the air storage box 3 through a bolt, an air suction hopper is sleeved at the input end of the air suction pump 1, the air suction pump 1 sucks air into the air storage box 3, and the air storage box 3 conveys the air into a rotary drum 14.
In the invention, the outer wall of the bottom of the gas storage box 3 is provided with a connecting hole, and the outer wall of one end of the rotary drum 14 is connected to the inner wall of the connecting hole through a bearing.
In the invention, a through hole is formed in the outer wall of one side of the mounting frame 9, and the water inlet pipe 2 is fixed on the inner wall of the through hole through a bolt.
When the seawater micro-plastic particle separating device is used, seawater is firstly introduced into the separating cylinder 4, then the motor 11 is started to drive the driving gear 12 to rotate, the driving gear 12 drives the driven gear 13 to rotate while rotating, the driven gear 13 drives the rotary cylinder 14 to rotate while rotating, the rotary cylinder 14 drives the stirring plate 17 to rotate while rotating, the air suction pump 1 is started to suck air into the air storage tank 3, the air storage tank 3 conveys the air into the rotary cylinder 14, the rotary cylinder 14 conveys the air into the air outlet cylinder 19 and simultaneously conveys the air into the air outlet holes 18 on the stirring plate 17, the air flows upwards through the air outlet holes 18, so that a great number of air bubbles can be generated, the air bubbles can wrap the micro-plastic particles in the seawater, the micro-plastic particles in the seawater are upwards lifted due to buoyancy factors after being wrapped by the air bubbles, the air outlet cylinder 19 also downwards sprays the air, so as to wrap part of the micro-plastic particles which are not wrapped by the air bubbles in the stirring plate, the separation effect of the micro plastic particles is improved, the rotating cylinder 14 drives the scraper 15 to rotate after the micro plastic particles float upwards, the scraper 15 can scrape scum to the overflow holes 8 while rotating, the scum enters the collecting cylinder 5 through the overflow holes 8 to be collected, when the rotating cylinder 14 drives the scraper 15 to rotate, air in the rotating cylinder 14 enters the air blowing grooves 20 through the air blowing holes 21, the scum near the scraper 15 can be blown to the overflow holes 8 while the air flows in the air blowing grooves 20, so that the conveying speed of the scum by the scraper 15 can be enhanced, the scum can be more quickly conveyed to the overflow holes 8 by the scraper 15, saturated salt water can be conveyed to the separating cylinder 4 through the liquid outlet pipe 22 by the saturated salt water storage box 10, the density of seawater can be increased after the saturated salt water is mixed with the seawater, the density of the micro plastic particles is relatively reduced, and the micro plastic particles can float upwards more quickly in the seawater, the separation rate of the micro plastic particles is improved, seawater can be continuously supplemented into the separation cylinder 4 through the water inlet pipe 2, and meanwhile, the level of the seawater can be kept near the scraper 15.
Example 2:
referring to fig. 5, a little plastic separation device based on air flotation process goes on, this embodiment compares in embodiment 1, the outer wall that still includes collecting vessel 5 is provided with fixed knot 23, and the outer wall of fixed knot 23 has filtration membrane 24 through the bolt fastening, the material of filtration membrane 24 sets up to the pellicle, can filter the sea water that enters into in collecting vessel 5 through fixed knot 23 and filtration membrane 24, set up to the pellicle through the material with filtration membrane 24 and can filter the little plastic granules, make things convenient for people to concentrate the processing to little plastic granules, it conveniently changes filtration membrane 24 through fixed knot 23.
During the use, can filter the sea water that enters into in the surge drum 5 through fixed 23 and filtration membrane 24 of detaining, set up to the pellicle through the material with filtration membrane 24 and can filter the micro plastic granule, make things convenient for people to carry out centralized processing to the micro plastic granule, detain 23 through fixed and conveniently change filtration membrane 24.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The micro-plastic separation device based on the air floatation method comprises a workbench (6) and is characterized in that an installation cylinder (7) is fixed on the outer wall of the top of the workbench (6) through bolts, a separation cylinder (4) is fixed on the outer wall of the top of the installation cylinder (7) through bolts, a collection cylinder (5) is fixed on the outer wall of the separation cylinder (4) through bolts, installation frames (9) are fixed on the outer walls of the two sides of the workbench (6) through bolts, a driving mechanism is fixed on the outer wall of the bottom of each installation frame (9) through bolts, an air inlet mechanism is arranged on the outer wall of the top of each installation frame (9), a rotary cylinder (14) is connected to the outer wall of the bottom of each installation frame (9) through bearings, scrapers (15) distributed at equal intervals are fixed on the outer wall of each rotary cylinder (14) through bolts, and air blowing grooves (20) are formed, the outer wall of rotary drum (14) is opened and is had gas hole (21) that the equidistance distributes, gas hole (21) and gas blow groove (20) cooperation are used, the outer wall of rotary drum (14) is opened and is had the spliced eye that the equidistance distributes, the inner wall of spliced eye is pegged graft and is had air outlet cylinder (19), the outer wall of rotary drum (14) is fixed with stirring board (17) that the equidistance distributes through the bolt, the top outer wall of stirring board (17) is opened and is had air outlet (18) that the equidistance distributes, the outer wall of separator (4) is opened and is had overflow hole (8) that the equidistance distributes, overflow hole (8) and scraper blade (15) cooperation are used.
2. The micro-plastic separation device based on the air flotation method is characterized in that a saturated saline water storage box (10) is fixed on the outer wall of the top of the mounting frame (9) through bolts, liquid outlet holes are formed in the outer wall of the bottom of the saturated saline water storage box (10), and liquid outlet pipes (22) are inserted into the inner walls of the liquid outlet holes.
3. The device for separating the micro plastic based on the air floatation method according to claim 1, wherein the driving mechanism comprises a motor (11), an output shaft of the motor (11) is connected with a driving gear (12) through a coupling, a driven gear (13) is fixed on the outer wall of the rotary drum (14) through a bolt, and the driving gear (12) is meshed with the driven gear (13).
4. The device for separating microplastic according to claim 3, wherein the outer wall of the rotating drum (14) is fixed with equidistantly distributed spiral plates (16) by bolts, and the outer wall of the spiral plates (16) is provided with conveying grooves.
5. The microplastic separation apparatus according to claim 1, wherein the stirring plate (17) is arc-shaped, and the gas outlet (18) communicates with the inside of the drum (14) through the stirring plate (17).
6. The micro-plastic separation device based on the air floatation method is characterized in that the air inlet mechanism comprises an air storage tank (3), the outer wall of the top of the air storage tank (3) is fixed with an air suction pump (1) through a bolt, and the input end of the air suction pump (1) is sleeved with an air suction hopper.
7. The micro plastic separation device based on the air floating method as claimed in claim 6, wherein the air storage tank (3) is provided with a connecting hole on the outer wall of the bottom thereof, and the outer wall of one end of the rotary drum (14) is connected to the inner wall of the connecting hole through a bearing.
8. The micro plastic separation device based on the air floatation method according to claim 1, characterized in that the outer wall of one side of the mounting frame (9) is provided with a through hole, and the inner wall of the through hole is fixed with the water inlet pipe (2) through a bolt.
9. The micro-plastic separation device based on the air floatation method is characterized in that a fixing buckle (23) is arranged on the outer wall of the collecting cylinder (5), a filtering membrane (24) is fixed on the outer wall of the fixing buckle (23) through a bolt, and the filtering membrane (24) is made of a semi-permeable membrane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011243553.1A CN112358064A (en) | 2020-11-10 | 2020-11-10 | Micro-plastic separation device based on air floatation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011243553.1A CN112358064A (en) | 2020-11-10 | 2020-11-10 | Micro-plastic separation device based on air floatation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113003695A (en) * | 2021-02-23 | 2021-06-22 | 大唐华银电力股份有限公司耒阳分公司 | Automatic cooling water quality adjusting device for generator of thermal power plant |
| CN113860430A (en) * | 2021-11-11 | 2021-12-31 | 周维七 | Oily industrial sewage treatment system |
| CN116768398A (en) * | 2023-06-25 | 2023-09-19 | 生态环境部南京环境科学研究所 | Device and method for preventing and controlling transmission of ARGs carried by MPs in wastewater treatment system |
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| CN111732280A (en) * | 2020-06-30 | 2020-10-02 | 浙江通恒环保科技有限公司 | Sewage purification process and equipment for producing green environment-friendly PET bottle flakes |
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| CN204454680U (en) * | 2014-12-25 | 2015-07-08 | 杭州科星水处理工程有限公司 | For the treatment of the whipping device of oily(waste)water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113003695A (en) * | 2021-02-23 | 2021-06-22 | 大唐华银电力股份有限公司耒阳分公司 | Automatic cooling water quality adjusting device for generator of thermal power plant |
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| CN116768398A (en) * | 2023-06-25 | 2023-09-19 | 生态环境部南京环境科学研究所 | Device and method for preventing and controlling transmission of ARGs carried by MPs in wastewater treatment system |
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Application publication date: 20210212 |