CN112499803A - Colliery is portable sewage automatic treatment device in pit - Google Patents
Colliery is portable sewage automatic treatment device in pit Download PDFInfo
- Publication number
- CN112499803A CN112499803A CN202011189325.0A CN202011189325A CN112499803A CN 112499803 A CN112499803 A CN 112499803A CN 202011189325 A CN202011189325 A CN 202011189325A CN 112499803 A CN112499803 A CN 112499803A
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- bevel gear
- fixedly connected
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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
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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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
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- 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
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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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
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
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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
- C02F2303/16—Regeneration of sorbents, filters
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a coal mine underground movable automatic sewage treatment device in the technical field of sewage treatment, which comprises a bottom plate, wherein a treatment box is fixedly arranged at the top end of the bottom plate, the top end of the treatment box is fixedly connected with a driving box, the top end of the driving box is connected with a water inlet pipe, a rotating shaft is fixedly arranged in the driving box from front to back, a water wheel is arranged on the periphery of the rotating shaft, a water inlet is arranged below the water wheel and positioned at the top end of the treatment box, a rotating rod penetrates through the left side of the treatment box, the other end of the rotating rod is rotatably connected with the right side of the inner cavity of the treatment box, stirring blades are uniformly arranged on the periphery of the rotating rod, a filter screen is transversely and fixedly arranged in the inner cavity of the treatment box above the stirring blades, and a water outlet pipe is connected to the bottom end of the left side of the treatment box. The filtering effect is ensured, and the service time of the filter screen is prolonged.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a movable automatic sewage treatment device for a coal mine.
Background
At present, the underground sewage of a coal mine generally contains a large amount of heavy metals, if the underground sewage is directly filtered and then discharged, the heavy metals in the surrounding environment can be polluted, and the underground sewage can be discharged after a series of treatments, so that the sewage discharge standard is met, the existing underground sewage of the coal mine is generally treated by a movable automatic sewage treatment device, although the movable automatic sewage treatment device can automatically treat the sewage, a filter screen in the movable automatic sewage treatment device can accumulate a large amount of impurities after being filtered for a long time, so that the filter screen is blocked, the service life of the filter screen is shortened, meanwhile, a plurality of driving devices such as a water pump, a motor and the like are generally arranged on the existing movable automatic sewage treatment device, the self weight of the device is increased, the device is inconvenient to move, and the sewage treatment efficiency is indirectly reduced, therefore, a movable automatic sewage treatment device for the underground coal mine is provided.
Disclosure of Invention
The invention aims to provide a movable automatic sewage treatment device in a coal mine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a movable automatic sewage treatment device for a coal mine underground comprises a bottom plate, wherein wheels are uniformly installed at the bottom end of the bottom plate, a pushing handle is fixedly connected to the top end of the bottom plate, a treatment box is fixedly installed on the left side of the pushing handle and positioned at the top end of the bottom plate, a driving box is fixedly connected to the top end of the treatment box, a water inlet pipe is connected to the top end of the driving box, a rotating shaft is fixedly installed in the driving box from front to back, a water wheel is arranged on the periphery of the rotating shaft, a water inlet is formed in the position below the water wheel and positioned at the top end of the treatment box, a vertical fixing seat is fixedly connected to the left side of the driving box and positioned at the top end of the treatment box, a transverse rod transversely penetrates through the vertical fixing seat, a first main bevel gear is fixedly connected to one, follow bevel gear and main bevel gear intermeshing, montant bottom fixedly connected with main bevel gear two, it has the bull stick to run through in the processing case left side, the bull stick other end rotates with processing incasement chamber right side to be connected, bull stick left side one end fixedly connected with follows bevel gear two, from bevel gear two and main bevel gear intermeshing, the bull stick periphery evenly is provided with the stirring leaf, it has the filter screen to lie in the horizontal fixed mounting of processing incasement chamber above the stirring leaf, it is connected with the outlet pipe to handle case left side bottom.
Preferably, a third main bevel gear is fixedly sleeved on the periphery of the rotating shaft, a third slave bevel gear is fixedly connected to the other end of the cross rod, the third slave bevel gear is meshed with the third main bevel gear, and a turntable is fixedly sleeved on the periphery of the rotating shaft below the third main bevel gear.
Preferably, the top end of the surface of the driving box is hinged with a guide rod, the surface of the guide rod is provided with a driving groove, the periphery of the surface of the turntable is fixedly connected with a cylindrical pin, the cylindrical pin penetrates through the driving groove, and the length of the driving groove is larger than the diameter of the turntable.
Preferably, handle the case top and seted up the activity groove, the guide bar passes the activity groove, the guide bar is located and handles the incasement portion and seted up the guide groove, the brush has been placed on the filter screen top, brush top fixedly connected with evenly is provided with two backup pads, two fixedly connected with loop bar between the backup pad, the loop bar passes the guide groove.
Preferably, handle case left side and run through and be equipped with the medicine bottle, the medicine bottle left side is located the peripheral fixed cam that has cup jointed of montant.
Preferably, the push rod has been run through in the medicine bottle left side, push rod left side one end fixedly connected with push pedal, push pedal and cam phase-match, the push rod is located medicine bottle inner chamber part one end fixedly connected with piston, the laminating of piston periphery and medicine bottle inner chamber wall, the push rod is located medicine bottle inner chamber part periphery cover and has the spring, spring both ends difference fixed connection is in piston left side and medicine bottle inner chamber left side.
Compared with the prior art, the invention has the beneficial effects that:
the invention is provided with the water wheel, and sewage entering the driving box through the water inlet pipe impacts the water wheel due to self weight and inertia to enable the water wheel to rotate, so that the water wheel has driving capability, thereby reducing the utilization of driving equipment, reducing the energy consumption, and simultaneously reducing the self weight of the device, so that the device is convenient to move.
The invention is provided with the rotary disc and the guide rod, and the guide rod swings left and right when the rotary disc rotates, so that the guide rod drives the brush to move left and right to clean impurities blocked in the middle of the filter screen to two sides, thereby facilitating the filtration of the next batch of sewage, ensuring the filtration effect and simultaneously increasing the service time of the filter screen.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is a schematic cross-sectional view of the back side of the present invention;
FIG. 3 is a schematic view of a cross bar drive connection according to the present invention;
fig. 4 is a schematic view of the internal structure of the medicine bottle of the present invention.
In the figure: 1. a base plate; 2. a wheel; 3. a pushing handle; 4. a treatment tank; 5. a drive box; 6. a water inlet pipe; 7. a rotating shaft; 71. a water wheel; 72. a turntable; 721. a cylindrical pin; 73. a third main bevel gear; 8. a water inlet; 9. filtering with a screen; 10. a vertical fixing seat; 11. a cross bar; 111. a secondary bevel gear III; 12. a first main bevel gear; 13. a horizontal fixing seat; 14. a vertical rod; 15. a first secondary bevel gear; 16. a cam; 17. a second main bevel gear; 18. a medicine bottle; 181. a push rod; 182. pushing the plate; 183. a spring; 184. a piston; 19. a rotating rod; 20. a secondary bevel gear II; 21. stirring blades; 22. a guide bar; 221. a drive slot; 222. a guide groove; 23. a brush; 231. a support plate; 232. a loop bar; 24. a movable groove; 25. and (5) discharging a water pipe.
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, the present invention provides a technical solution: a movable automatic sewage treatment device in a coal mine comprises a bottom plate 1, wheels 2 are uniformly arranged at the bottom end of the bottom plate 1, a pushing handle 3 is fixedly connected to the top end of the bottom plate 1, the wheels 2 roll by pushing the pushing handle 3, so that the device moves, a treatment box 4 is fixedly arranged at the top end of the bottom plate 1 on the left side of the pushing handle 3, a drive box 5 is fixedly connected to the top end of the treatment box 4, a water inlet pipe 6 is connected to the top end of the drive box 5, the water inlet pipe 6 is connected with an external sewage pipe, a rotating shaft 7 is fixedly arranged in the drive box 5 in the front and back direction, a water wheel 71 is arranged at the periphery of the rotating shaft 7, sewage impacts the water wheel 71 by self-weight and inertia after entering the drive box 5 through the water inlet pipe 6, so that the water wheel 71 rotates, so that the water wheel 71, the left side of the driving box 5 is fixedly connected with a vertical fixing seat 10 at the top end of the treatment box 4, a cross rod 11 transversely penetrates through the vertical fixing seat 10, one end of the left side of the cross rod 11 is fixedly connected with a primary bevel gear 12, the left side of the treatment box 4 is uniformly and fixedly connected with a transverse fixing seat 13, a vertical rod 14 longitudinally penetrates through the transverse fixing seat 13, the top end of the vertical rod 14 is fixedly connected with a secondary bevel gear 15, the secondary bevel gear 15 is mutually meshed with the primary bevel gear 12, the bottom end of the vertical rod 14 is fixedly connected with a primary bevel gear 17, a rotating rod 19 penetrates through the left side of the treatment box 4, the other end of the rotating rod 19 is rotatably connected with the right side of the inner cavity of the treatment box 4, one end of the left side of the rotating rod 19 is fixedly connected with a secondary bevel gear 20, the secondary bevel gear 20 is mutually meshed with the primary bevel gear 17, stirring blades 21 are uniformly arranged on the periphery of the rotating rod, filter sewage through filter screen 9, filter the impurity in the sewage, handle case 4 left side bottom and be connected with outlet pipe 25, arrange into next processing apparatus through outlet pipe 25 the sewage that will handle.
Referring to fig. 3, a third main bevel gear 73 is fixedly sleeved on the periphery of the rotating shaft 7, a third secondary bevel gear 111 is fixedly connected to the other end of the cross bar 11, the third secondary bevel gear 111 is meshed with the third main bevel gear 73, and a turntable 72 is fixedly sleeved on the periphery of the rotating shaft 7 below the third main bevel gear 73.
Referring to fig. 2, the top end of the surface of the driving box 5 is hinged with the guide rod 22, the surface of the guide rod 22 is provided with the driving groove 221, the periphery of the surface of the turntable 72 is fixedly connected with the cylindrical pin 721, the cylindrical pin 721 passes through the driving groove 221, when the turntable 72 rotates, the cylindrical pin 721 makes a circular motion, so that the guide rod 22 is driven by the driving groove 221 to swing left and right, the length of the driving groove 221 is greater than the diameter of the turntable 72, and the cylindrical pin 721 can be guaranteed to make a circular motion smoothly.
Please refer to fig. 2, the top end of the treatment box 4 is provided with a movable groove 24, the guide rod 22 passes through the movable groove 24, the guide rod 22 is positioned inside the treatment box 4 and is provided with a guide groove 222, the top end of the filter screen 9 is provided with the brush 23, the brush 23 is used for cleaning impurities on the surface of the filter screen 9, the top end of the brush 23 is fixedly connected with two support plates 231, the two support plates 231 are fixedly connected with a loop bar 232, the loop bar 232 passes through the guide groove 222, and when the guide rod 22 swings left and right, the brush 23 is driven to move left and right through the guide groove 222 and the loop bar.
Referring to fig. 1, a medicine bottle 18 is disposed on the left side of the treatment box 4, a coagulant, a flocculant and other medicines are contained in the medicine bottle 18, and a cam 16 is fixedly sleeved on the periphery of the vertical rod 14 on the left side of the medicine bottle 18.
Referring to fig. 4, a push rod 181 penetrates through the left side of the medicine bottle 18, a push plate 182 is fixedly connected to one end of the left side of the push rod 181, the push plate 182 is matched with the cam 16, a piston 184 is fixedly connected to one end of the push rod 181 located in the inner cavity of the medicine bottle 18, the periphery of the piston 184 is attached to the inner cavity wall of the medicine bottle 18, a spring 183 is sleeved on the periphery of the push rod 181 located in the inner cavity of the medicine bottle 18, and two ends of the spring 183 are fixedly connected to the left side.
The working principle is as follows: when the device is used, firstly, the device is moved to a sewage treatment position through the pushing handle 3 and the wheels 2, then the device is connected with an external sewage pipe through the water inlet pipe 6, the sewage enters the driving box 5, the sewage impacts the water wheel 71 due to self weight and inertia to enable the water wheel 71 to rotate, so that the water wheel 71 has driving capability, the sewage enters the treatment box 4 through the water inlet 8 and is filtered through the filter screen 9, after the water wheel 71 rotates, the rotating shaft 7 rotates to enable the main bevel gear three 73 to rotate, the main bevel gear three 73 drives the cross rod 11 to rotate through the secondary bevel gear three 111, the cross rod 11 drives the secondary bevel gear one 15 through the primary bevel gear one 12 to enable the vertical rod 14 to rotate, the vertical rod 14 rotates to enable the cam 16 to rotate, the cam 16 intermittently pushes the pushing plate 182, the pushing plate 182 pushes the piston 184 through the pushing rod 181 to intermittently extrude medicaments into the treatment box 4, and simultaneously, the main bevel gear two 17 on the vertical rod 14, thereby make stirring leaf 21 stir sewage and medicament, accelerate the reaction rate of sewage and medicament, thereby the treatment rate of sewage has been accelerated, carousel 72 rotates when pivot 7 pivoted, when carousel 72 rotates, cylindric lock 721 is circular motion, thereby drive guide bar 22 horizontal hunting through drive tank 221, rethread guide way 222 and loop bar 232 drive brush 23 left and right sides reciprocating motion, brush 23 just can clear up the impurity of filter screen 9 intermediate position to both sides, guarantee that filter screen 9 can be normal filters sewage, the sewage that has handled is arranged into next processing apparatus through outlet pipe 25.
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 (6)
1. The utility model provides a colliery is portable sewage automatic treatment device in pit, includes bottom plate (1), its characterized in that: the wheel (2) is uniformly installed at the bottom of the bottom plate (1), a pushing handle (3) is fixedly connected to the top end of the bottom plate (1), the left side of the pushing handle (3) is located at the top end of the bottom plate (1) and is fixedly installed with a processing box (4), the top end of the processing box (4) is fixedly connected with a driving box (5), the top end of the driving box (5) is connected with a water inlet pipe (6), a rotating shaft (7) is fixedly installed in the driving box (5) in a front-back mode, a water wheel (71) is arranged on the periphery of the rotating shaft (7), a water inlet (8) is formed in the top end of the processing box (4) below the water wheel (71), a vertical fixing seat (10) is fixedly connected to the top end of the processing box (4) on the left side of the driving box (5), a transverse rod (11) transversely, the treatment box is characterized in that a transverse fixing seat (13) is uniformly and fixedly connected to the left side of the treatment box (4), a vertical rod (14) longitudinally penetrates through the transverse fixing seat (13), a first secondary bevel gear (15) is fixedly connected to the top end of the vertical rod (14), the first secondary bevel gear (15) is meshed with a first primary bevel gear (12), a second primary bevel gear (17) is fixedly connected to the bottom end of the vertical rod (14), a rotating rod (19) penetrates through the left side of the treatment box (4), the other end of the rotating rod (19) is rotatably connected with the right side of an inner cavity of the treatment box (4), a second secondary bevel gear (20) is fixedly connected to one left end of the rotating rod (19), the second secondary bevel gear (20) is meshed with the second primary bevel gear (17), stirring blades (21) are uniformly arranged on the periphery of the rotating rod (19), and a filter screen (9) is transversely and fixedly arranged above the inner cavity, the bottom end of the left side of the treatment box (4) is connected with a water outlet pipe (25).
2. The underground coal mine movable automatic sewage treatment device according to claim 1, which is characterized in that: the periphery of the rotating shaft (7) is fixedly sleeved with a third main bevel gear (73), the other end of the cross rod (11) is fixedly connected with a third auxiliary bevel gear (111), the third auxiliary bevel gear (111) is meshed with the third main bevel gear (73), and a turntable (72) is fixedly sleeved on the periphery of the rotating shaft (7) below the third main bevel gear (73).
3. The underground coal mine movable automatic sewage treatment device according to claim 2, which is characterized in that: the top end of the surface of the driving box (5) is hinged with a guide rod (22), a driving groove (221) is formed in the surface of the guide rod (22), a cylindrical pin (721) is fixedly connected to the periphery of the surface of the rotating disc (72), the cylindrical pin (721) penetrates through the driving groove (221), and the length of the driving groove (221) is larger than the diameter of the rotating disc (72).
4. The underground coal mine movable automatic sewage treatment device according to claim 3, which is characterized in that: handle case (4) top and seted up activity groove (24), activity groove (24) are passed in guide bar (22), guide bar (22) are located and handle case (4) internal portion and seted up guide way (222), brush (23) have been placed on filter screen (9) top, brush (23) top fixedly connected with evenly is provided with two backup pads (231), two fixedly connected with loop bar (232) between backup pad (231), guide way (222) are passed in loop bar (232).
5. The underground coal mine movable automatic sewage treatment device according to claim 4, which is characterized in that: handle case (4) left side and run through and be equipped with medicine bottle (18), medicine bottle (18) left side is located the fixed cover in montant (14) periphery and has connect cam (16).
6. The underground coal mine movable automatic sewage treatment device according to claim 5, which is characterized in that: medicine bottle (18) left side is run through and is had push rod (181), push rod (181) left side one end fixedly connected with push pedal (182), push pedal (182) and cam (16) phase-match, push rod (181) are located medicine bottle (18) inner chamber portion one end fixedly connected with piston (184), piston (184) periphery and medicine bottle (18) inner chamber wall laminating, push rod (181) are located medicine bottle (18) inner chamber portion peripheral cover and have spring (183), spring (183) both ends difference fixed connection is in piston (184) left side and medicine bottle (18) inner chamber left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011189325.0A CN112499803A (en) | 2020-10-30 | 2020-10-30 | Colliery is portable sewage automatic treatment device in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011189325.0A CN112499803A (en) | 2020-10-30 | 2020-10-30 | Colliery is portable sewage automatic treatment device in pit |
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| Publication Number | Publication Date |
|---|---|
| CN112499803A true CN112499803A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011189325.0A Pending CN112499803A (en) | 2020-10-30 | 2020-10-30 | Colliery is portable sewage automatic treatment device in pit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101714A (en) * | 2021-03-25 | 2021-07-13 | 董子敬 | High-salinity heating geothermal tail water treatment system |
| CN113350866A (en) * | 2021-07-02 | 2021-09-07 | 罗坤宏 | Self-cleaning water storage tank for hydraulic engineering based on Internet of things |
| CN113651503A (en) * | 2021-09-16 | 2021-11-16 | 深圳天诚巨能科技有限公司 | Intelligent waste water treatment equipment is used in production of battery factory |
| CN113968647A (en) * | 2021-12-27 | 2022-01-25 | 广东新泰隆环保集团有限公司 | Multiple combination formula sewage treatment device |
| CN114149066A (en) * | 2021-11-26 | 2022-03-08 | 江苏新裕泰华环保集团有限公司 | Dosing device for acid wastewater treatment and using method thereof |
| CN114146550A (en) * | 2021-11-15 | 2022-03-08 | 中国平煤神马集团平顶山京宝焦化有限公司 | Flue gas exhaust system |
| CN114470987A (en) * | 2021-11-17 | 2022-05-13 | 江苏海伦环保设备有限公司 | High-efficiency dust collecting device for sealing blast furnace ore tank |
| CN116078024A (en) * | 2023-02-01 | 2023-05-09 | 淮南师范学院 | Integrated sewage treatment equipment |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101714A (en) * | 2021-03-25 | 2021-07-13 | 董子敬 | High-salinity heating geothermal tail water treatment system |
| CN113350866A (en) * | 2021-07-02 | 2021-09-07 | 罗坤宏 | Self-cleaning water storage tank for hydraulic engineering based on Internet of things |
| CN113651503A (en) * | 2021-09-16 | 2021-11-16 | 深圳天诚巨能科技有限公司 | Intelligent waste water treatment equipment is used in production of battery factory |
| CN114146550A (en) * | 2021-11-15 | 2022-03-08 | 中国平煤神马集团平顶山京宝焦化有限公司 | Flue gas exhaust system |
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| CN114470987A (en) * | 2021-11-17 | 2022-05-13 | 江苏海伦环保设备有限公司 | High-efficiency dust collecting device for sealing blast furnace ore tank |
| CN114149066A (en) * | 2021-11-26 | 2022-03-08 | 江苏新裕泰华环保集团有限公司 | Dosing device for acid wastewater treatment and using method thereof |
| CN113968647A (en) * | 2021-12-27 | 2022-01-25 | 广东新泰隆环保集团有限公司 | Multiple combination formula sewage treatment device |
| CN113968647B (en) * | 2021-12-27 | 2022-03-29 | 广东新泰隆环保集团有限公司 | Multiple combination formula sewage treatment device |
| CN116078024A (en) * | 2023-02-01 | 2023-05-09 | 淮南师范学院 | Integrated sewage treatment equipment |
| CN116078024B (en) * | 2023-02-01 | 2024-01-19 | 淮南师范学院 | Integrated sewage treatment equipment |
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Application publication date: 20210316 |
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| RJ01 | Rejection of invention patent application after publication |