CN113788555A - Energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication - Google Patents
Energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication Download PDFInfo
- Publication number
- CN113788555A CN113788555A CN202111137690.1A CN202111137690A CN113788555A CN 113788555 A CN113788555 A CN 113788555A CN 202111137690 A CN202111137690 A CN 202111137690A CN 113788555 A CN113788555 A CN 113788555A
- Authority
- CN
- China
- Prior art keywords
- energy
- water
- water eutrophication
- oxygen
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000000746 purification Methods 0.000 title claims abstract description 25
- 238000012851 eutrophication Methods 0.000 title claims abstract description 22
- 238000006213 oxygenation reaction Methods 0.000 title claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 35
- 239000001301 oxygen Substances 0.000 claims abstract description 35
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 238000002640 oxygen therapy Methods 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims abstract description 10
- 238000005352 clarification Methods 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003756 stirring Methods 0.000 abstract description 3
- 230000029553 photosynthesis Effects 0.000 description 4
- 238000010672 photosynthesis Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses an energy-saving environment-friendly ecological oxygenation purification device for preventing water eutrophication, which comprises a recovery box, wherein the upper part of the recovery box is provided with a mounting opening, the interior of the mounting opening is fixedly provided with an inlet, the lower part of the inlet is fixedly provided with a filter screen, the upper part of the recovery box is movably provided with a backing plate, and the side surface of the lower part of the recovery box is fixedly provided with a partition plate. This kind of prevent ecological clarification plant that oxygenates of energy-concerving and environment-protective type of water eutrophication, the water enters into the bottom of collection box through purifying the mouth, the bottom side-mounting of collection box has the baffle, the inside fixed mounting of through-hole has the pellicle, can make the water progressively enter into inside the processing case, oxygen therapy machine carries out the oxygen therapy to processing incasement portion through oxygen therapy pipe, the motor drives the dwang and rotates, the dwang can drive the fan and rotate, the fan stirs processing incasement portion water, make oxygen and water carry out the intensive mixing, the purpose that the mixed effect is good has been reached at last.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to energy-saving and environment-friendly ecological oxygenation purification equipment for preventing water eutrophication.
Background
The sewage treatment equipment is an industrial equipment capable of effectively treating domestic sewage, industrial wastewater and the like in urban areas, prevents sewage and pollutants from directly flowing into water areas, and has important significance for improving ecological environment, promoting urban grade and promoting economic development.
Eutrophication causes a decrease in water transparency, sunlight hardly penetrates the water layer, thereby affecting photosynthesis of plants in water and release of oxygen, while mass propagation of plankton consumes a large amount of oxygen in water, resulting in a serious shortage of dissolved oxygen in water, and photosynthesis of plants on the water surface may cause supersaturation of local dissolved oxygen.
Therefore, an energy-saving environment-friendly ecological oxygenation purification device for preventing water eutrophication needs to be designed.
Disclosure of Invention
The invention aims to provide energy-saving and environment-friendly ecological oxygenation purification equipment for preventing water eutrophication, and aims to solve the problems that the eutrophication in the background art causes the reduction of water transparency, influences the photosynthesis of plants in water and the release of oxygen, simultaneously consumes a large amount of oxygen in water due to the mass propagation of plankton, and causes the serious shortage of dissolved oxygen in water.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prevent ecological clarification plant that oxygenates of energy-concerving and environment-protective type of water eutrophication, includes the collection box, the installing port has been seted up on the upper portion of collection box, the inside fixed mounting of installing port has the import, the lower part fixed mounting of import has the filter screen, the upper portion movable mounting of collection box has the backing plate, the lower part side fixed mounting of collection box has the baffle, the through-hole has been seted up to the lower part of baffle, the inside fixed mounting of through-hole has the pellicle, the lower part side fixed mounting of collection box has the processing case, the rotation hole has been seted up to the side of baffle and processing case, the inside movable mounting in rotation hole has the dwang, the side fixed mounting of dwang has the fan piece, the oxygen therapy mouth has been seted up to one side lower part of processing case.
As a preferable technical scheme of the invention, the upper part of the clapboard is connected to the lower part of the base plate, the base plate is L-shaped, and one end of the base plate is connected to the upper part of the inner side of the recycling box.
In a preferred embodiment of the present invention, one side of the treatment tank is connected to the partition plate, and the oxygen inlet is located on a lower side of the fan blade.
As a preferable technical scheme of the invention, an oxygen conveying pipe is fixedly arranged in the oxygen conveying port, and one end of the oxygen conveying pipe is fixedly connected with an oxygen conveying machine.
In a preferred embodiment of the present invention, one end of the rotating rod is located on a side surface of the processing box, an extension table is fixedly mounted on a lower portion of the side surface of the processing box, a motor is fixedly mounted on an upper portion of the extension table, and an output end of the motor is connected to the rotating rod.
As a preferable technical scheme of the invention, the upper surface of the backing plate is fixedly provided with activated carbon, the upper surface of the backing plate is provided with a purification port, and the purification port is positioned at the lower part of the filter screen.
As a preferable technical scheme of the invention, the upper part of the other side of the treatment box is provided with an outlet, and the outlet is positioned at the upper part of the side surface of the fan blade.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to an energy-saving environment-friendly ecological oxygenation purification device for preventing water eutrophication, which has the characteristic of good treatment effect, and specifically comprises the following steps:
the energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication comprises a filter screen fixedly arranged at the lower part of an inlet, a water body can be filtered in the first step, large impurities are filtered, the water body flows onto a backing plate through the filter screen, the peculiar smell of the water body can be purified due to the active carbon arranged on the backing plate, then the water body enters the bottom of a recovery box through a purification port, a partition plate is arranged on the side surface of the bottom of the recovery box, a through hole is formed in the lower part of the partition plate, a semipermeable membrane is fixedly arranged inside the through hole, the water body can gradually enter the treatment box, then an oxygen therapy machine and a motor are started, the oxygen therapy machine carries out oxygen therapy on the inside of the treatment box through an oxygen therapy pipe, the motor drives a rotating rod to rotate, the rotating rod can drive a fan to rotate, the fan blade stirs the water inside the treatment box, and the oxygen and the water body are fully mixed, finally, the purposes of good treatment effect and good mixing effect are achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top perspective view of the present invention;
FIG. 3 is a schematic lower perspective view of the present invention;
fig. 4 is a schematic view of the lower detachment structure of the present invention.
In the figure: 1. a recycling bin; 2. an installation port; 3. an inlet; 4. filtering with a screen; 5. a base plate; 6. activated carbon; 7. a purge port; 8. a partition plate; 9. a through hole; 10. a semi-permeable membrane; 11. a treatment tank; 12. rotating the hole; 13. rotating the rod; 14. a fan blade; 15. an oxygen delivery port; 16. an oxygen delivery tube; 17. an oxygen transfer machine; 18. an extension stage; 19. an electric motor; 20. and (7) an outlet.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the invention provides an energy-saving and environment-friendly ecological oxygenation purification device for preventing water eutrophication, which comprises a recovery tank 1, wherein the upper part of the recovery tank 1 is provided with a mounting port 2, the interior of the mounting port 2 is fixedly provided with an inlet 3, water is introduced from the inlet 3, a filter screen 4 is fixedly arranged at the lower part of the inlet 3, the water can be subjected to first-step filtration to filter out large impurities, then the water flows onto a backing plate 5 through the filter screen 4, the peculiar smell of the water can be purified due to the active carbon 6 arranged on the backing plate 5, then the water enters the bottom of the recovery tank 1 through a purification port 7, a partition plate 8 is arranged on the side surface of the bottom of the recovery tank 1, the lower part of the partition plate 8 is provided with a through hole 9, and a semipermeable membrane 10 is fixedly arranged inside the through hole 9, so that the water can gradually enter the treatment tank 11, the upper portion movable mounting of collection box 1 has backing plate 5, the lower part side fixed mounting of collection box 1 has baffle 8, through-hole 9 has been seted up to the lower part of baffle 8, the inside fixed mounting of through-hole 9 has pellicle 10, the lower part side fixed mounting of collection box 1 has treatment box 11, rotation hole 12 has been seted up to baffle 8 and the side of treating box 11, the inside movable mounting who rotates hole 12 has dwang 13, the side fixed mounting of dwang 13 has fan 14, oxygen therapy mouth 15 has been seted up to one side lower part of treating box 11.
The upper part of the partition plate 8 is connected to the lower part of the backing plate 5, the backing plate 5 is in an L shape, one end of the backing plate 5 is connected to the upper part of the inner side of the recovery tank 1, one side of the treatment tank 11 is connected with the partition plate 8, and the oxygen inlet 15 is positioned on the lower side surface of the fan sheet 14.
An oxygen conveying pipe 16 is fixedly arranged in the oxygen conveying opening 15, an oxygen conveying machine 17 is fixedly connected with one end of the oxygen conveying pipe 16, one end of the rotating rod 13 is positioned on the side surface of the treatment box 11, an extension table 18 is fixedly arranged on the lower portion of the side surface of the treatment box 11, a motor 19 is fixedly arranged on the upper portion of the extension table 18, and the output end of the motor 19 is connected with the rotating rod 13.
The upper surface of backing plate 5 is fixed with active carbon 6, and the upper surface of backing plate 5 has seted up purification mouth 7, and purification mouth 7 is located the lower part of filter screen 4, and the other side upper portion of handling the case 11 has seted up export 20, and export 20 is located the side upper portion of fan piece 14.
The working principle is as follows:
the energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication firstly introduces water from an inlet 3, a filter screen 4 is fixedly arranged at the lower part of the inlet 3, the water can be filtered in the first step, large impurities are filtered, then the water flows onto a backing plate 5 through the filter screen 4, an activated carbon 6 is arranged on the backing plate 5, so that peculiar smell of the water can be purified, then the water enters the bottom of a recovery box 1 through a purification port 7, a baffle plate 8 is arranged on the side surface of the bottom of the recovery box 1, a through hole 9 is formed in the lower part of the baffle plate 8, a semipermeable membrane 10 is fixedly arranged in the through hole 9, so that the water can gradually enter the treatment box 11, an oxygen conveying machine 17 and a motor 19 are started, the oxygen conveying machine 17 conveys oxygen to the inside of the treatment box 11 through an oxygen conveying pipe 16, the motor 19 drives a rotating rod 13 to rotate, the rotating rod 13 can drive a fan sheet 14 to rotate, the fan blades 14 stir the water in the treatment tank 11 to fully mix the oxygen and the water, so that the purposes of good treatment effect and good mixing effect are achieved, and the problems that the transparency of water is reduced due to eutrophication, photosynthesis of plants in water and release of oxygen are influenced, and meanwhile, a large amount of oxygen in water is consumed due to mass propagation of plankton, so that the dissolved oxygen in water is seriously insufficient are solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a prevent ecological clarification plant that oxygenates of energy-concerving and environment-protective type of water eutrophication, includes collection box (1), its characterized in that: the upper part of the recovery box (1) is provided with a mounting opening (2), the interior of the mounting opening (2) is fixedly provided with an inlet (3), a filter screen (4) is fixedly arranged at the lower part of the inlet (3), a backing plate (5) is movably arranged at the upper part of the recovery box (1), a clapboard (8) is fixedly arranged on the side surface of the lower part of the recovery box (1), a through hole (9) is arranged on the lower part of the clapboard (8), a semipermeable membrane (10) is fixedly arranged in the through hole (9), a treatment box (11) is fixedly arranged on the side surface of the lower part of the recovery box (1), the side surfaces of the clapboard (8) and the treatment box (11) are provided with rotating holes (12), the inside movable mounting who rotates hole (12) has dwang (13), the side fixed mounting of dwang (13) has fan piece (14), oxygen therapy mouth (15) have been seted up to one side lower part of handling case (11).
2. The energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication according to claim 1, characterized in that: the upper portion of baffle (8) is connected to the lower part of backing plate (5), the shape of backing plate (5) is L shape, the inboard upper portion of collection box (1) is connected to the one end of backing plate (5).
3. The energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication according to claim 1, characterized in that: one side of the treatment box (11) is connected with the partition plate (8), and the oxygen delivery port (15) is positioned on the lower side face of the fan sheet (14).
4. The energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication according to claim 1, characterized in that: an oxygen conveying pipe (16) is fixedly arranged in the oxygen conveying port (15), and one end of the oxygen conveying pipe (16) is fixedly connected with an oxygen conveying machine (17).
5. The energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication according to claim 1, characterized in that: the one end of dwang (13) is located the side of handling case (11), the side lower part fixed mounting who handles case (11) has extension platform (18), the upper portion fixed mounting who extends platform (18) has motor (19), the output and the dwang (13) of motor (19) are connected.
6. The energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication according to claim 1, characterized in that: the upper surface fixed mounting of backing plate (5) has active carbon (6), purification mouth (7) have been seted up to the upper surface of backing plate (5), purification mouth (7) are located the lower part of filter screen (4).
7. The energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication according to claim 1, characterized in that: an outlet (20) is formed in the upper portion of the other side of the treatment box (11), and the outlet (20) is located in the upper portion of the side face of the fan sheet (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111137690.1A CN113788555A (en) | 2021-09-27 | 2021-09-27 | Energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111137690.1A CN113788555A (en) | 2021-09-27 | 2021-09-27 | Energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113788555A true CN113788555A (en) | 2021-12-14 |
Family
ID=79184564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111137690.1A Pending CN113788555A (en) | 2021-09-27 | 2021-09-27 | Energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113788555A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206635152U (en) * | 2017-04-05 | 2017-11-14 | 广西世逸翔环保科技股份有限公司 | One kind is based on photovoltaic power supply pulling flow type eutrophication water ecological purifier |
CN210635849U (en) * | 2019-06-15 | 2020-05-29 | 保定市哈宜环保工程有限公司 | Efficient oxygenation drop town sewage treatment device |
CN211445242U (en) * | 2019-11-05 | 2020-09-08 | 刘计英 | Aeration oxygenating device for industrial sewage treatment |
CN212954691U (en) * | 2020-07-20 | 2021-04-13 | 陕西瑞特碧源环保科技有限公司 | Environment-friendly multistage sewage treatment device |
CN213171989U (en) * | 2020-07-14 | 2021-05-11 | 石家庄红方格科技有限公司 | Livestock and poultry manure biological treatment equipment |
CN214088063U (en) * | 2020-12-30 | 2021-08-31 | 广东立行环境设计有限公司 | Integrated sewage treatment equipment |
-
2021
- 2021-09-27 CN CN202111137690.1A patent/CN113788555A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206635152U (en) * | 2017-04-05 | 2017-11-14 | 广西世逸翔环保科技股份有限公司 | One kind is based on photovoltaic power supply pulling flow type eutrophication water ecological purifier |
CN210635849U (en) * | 2019-06-15 | 2020-05-29 | 保定市哈宜环保工程有限公司 | Efficient oxygenation drop town sewage treatment device |
CN211445242U (en) * | 2019-11-05 | 2020-09-08 | 刘计英 | Aeration oxygenating device for industrial sewage treatment |
CN213171989U (en) * | 2020-07-14 | 2021-05-11 | 石家庄红方格科技有限公司 | Livestock and poultry manure biological treatment equipment |
CN212954691U (en) * | 2020-07-20 | 2021-04-13 | 陕西瑞特碧源环保科技有限公司 | Environment-friendly multistage sewage treatment device |
CN214088063U (en) * | 2020-12-30 | 2021-08-31 | 广东立行环境设计有限公司 | Integrated sewage treatment equipment |
Non-Patent Citations (1)
Title |
---|
傅立勋等: "《环境科学技术发展与预测》", 31 December 1987, 中国科学技术出版社 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209554933U (en) | A kind of drainage system sewage-treatment plant | |
CN220056517U (en) | Aerobic microorganism suspension filter tank purifying device | |
CN219259778U (en) | Sewage filtering and purifying treatment device | |
CN212127857U (en) | Building engineering's integration sewage purification treatment device | |
CN209721870U (en) | A kind of sanitary sewage multistage filtering processing unit | |
CN113788555A (en) | Energy-saving environment-friendly ecological oxygenation purification equipment for preventing water eutrophication | |
CN215328438U (en) | Carbon treatment system of electroplating solution | |
CN213202504U (en) | Aeration equipment for waste water treatment | |
CN215756846U (en) | Organic wastewater treatment equipment for aquaculture water | |
CN210528571U (en) | Biological contact oxidation process equipment using nano aeration technology | |
CN208279460U (en) | A kind of biofilm integrated sewage-treatment plant of microkinetic efficiently and directionally | |
CN214327461U (en) | Be used for waste water treatment ware of cigarette factory | |
CN213141757U (en) | Prevent blockking up good oxygen sewage treatment device | |
CN216191517U (en) | Sewage treatment sedimentation tank | |
CN211111607U (en) | Phenol-containing wastewater treatment device | |
CN217418305U (en) | Low-temperature impact resistant efficient biofilm reactor | |
CN216550036U (en) | Microbial purification sewage treatment pond | |
CN213803404U (en) | Domestic sewage treatment device | |
CN217297565U (en) | Integrated membrane method sewage purification equipment | |
CN216039020U (en) | Calandria domestic sewage purification treatment device | |
CN214060205U (en) | Sewage treatment plant is used in gardens that purifying effect is good | |
CN214141893U (en) | Energy-saving environment-friendly sewage treatment device | |
CN212799953U (en) | High-efficiency treatment device for mixed wastewater | |
CN210945151U (en) | Graphite production stores up dirty clarification plant | |
CN220131915U (en) | Sewage water circulation treatment equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211214 |