CN214130476U - Waste water treatment device - Google Patents
Waste water treatment device Download PDFInfo
- Publication number
- CN214130476U CN214130476U CN202022130730.7U CN202022130730U CN214130476U CN 214130476 U CN214130476 U CN 214130476U CN 202022130730 U CN202022130730 U CN 202022130730U CN 214130476 U CN214130476 U CN 214130476U
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- fixedly connected
- gear
- filtering ponds
- plate
- filter screen
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Abstract
The utility model belongs to the technical field of the waste water treatment technique and specifically relates to a waste water treatment device, including the filtering ponds, the intercommunication is provided with the inlet tube on the filtering ponds, fixedly connected with filter screen on the filtering ponds inner wall, filtering ponds one end slope fixedly connected with water conservancy diversion passageway, the water conservancy diversion passageway is close to the height that highly is higher than water conservancy diversion passageway and keeps away from filtering ponds one end of filtering ponds, the spacing groove has all been seted up on the both sides inner wall of filtering ponds, be provided with the kickboard in the spacing inslot slidable ground, the board one end fixedly connected with rack that floats, fixedly connected with second connecting plate on the filtering ponds, it is connected with the second pivot to rotate through the bearing on the second connecting plate, first pivot other end fixedly connected with second bevel gear, first gear meshes with the third gear mutually, L-shaped piece lower extreme fixedly connected with cleaning plate, cleaning plate all with filter screen looks butt with L-shaped piece, be provided with canceling release mechanical system on the kickboard. The utility model has the characteristics of spend the filter screen and clear up automatically, the processing speed when being favorable to waste water treatment.
Description
Technical Field
The utility model relates to a waste water treatment technical field especially relates to a waste water treatment device.
Background
The wastewater treatment is to treat the wastewater by physical, chemical and biological methods, so that the wastewater is purified, the pollution is reduced, the wastewater is recycled and reused, and water resources are fully utilized. When handling waste water, generally at first through the filter screen, carry out the interception to floater and suspended solid in the waste water and filter, because the mobility of rivers leads to easily blocking the thing and adsorbs on the filter screen, cause the jam of filter screen, need artificial the clearance of going on, just can avoid the filter screen to take place to block, otherwise can lead to the filter screen can not carry out filtering work, and the people can not in time discover when the filter screen takes place to block, when the longer term of jam time, the filtration treatment speed of waste water has seriously been influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the filter screen in the prior art can not be automatically cleaned, easily causes blockage, influences the defect of the filtering treatment speed of waste water, and provides a waste water treatment device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a waste water treatment device is designed, which comprises a filter tank, wherein a water inlet pipe is communicated with the filter tank, a filter screen is fixedly connected with the inner wall of the filter tank, one end of the filter tank is obliquely and fixedly connected with a flow guide channel, the height of the flow guide channel close to one end of the filter tank is higher than the height of the flow guide channel far away from one end of the filter tank, the inner walls of two sides of the filter tank are respectively provided with a limiting groove, a floating plate is slidably arranged in the limiting groove, one end of the floating plate is fixedly connected with a rack, a second connecting plate is fixedly connected with the filter tank, a second rotating shaft is rotatably connected onto the second connecting plate through a bearing, one end of the second rotating shaft is fixedly connected with a second gear, the other end of the second rotating shaft is fixedly connected with a third gear, the second gear is meshed with the rack, and a first connecting plate is fixedly connected onto the filter tank, the filter tank is characterized in that a first rotating shaft is rotatably connected onto the first connecting plate through a bearing, a first gear is fixedly connected onto one end of the first rotating shaft, a second bevel gear is fixedly connected onto the other end of the first rotating shaft, the first gear is meshed with the third gear, the number of teeth of the first gear is smaller than that of teeth of the third gear, a threaded rod is rotatably connected onto the inner wall of the filter tank through the bearing, a first bevel gear is fixedly connected onto the threaded rod, the first bevel gear is meshed with the second bevel gear, a threaded sleeve is in threaded connection onto the threaded rod, an L-shaped block is fixedly connected onto the lower end of the threaded sleeve, a cleaning plate is fixedly connected onto the lower end of the L-shaped block, the cleaning plate is abutted to the filter screen, and a reset mechanism is arranged on the floating plate.
Preferably, the resetting mechanism comprises a first fixed pulley fixedly connected with the bottom wall of the filtering tank, the first fixed pulley is located under the floating plate, a third pull rope is fixedly connected with the lower end of the floating plate and penetrates through the first fixed pulley, a first movable plate is fixedly connected with the filtering net, first sliding grooves are formed in the inner walls of two sides of the flow guide channel, the extending direction of the first sliding grooves is parallel to the bottom wall of the flow guide channel, the first movable plate is slidably arranged in the first sliding grooves, and the first movable plate can be driven to move upwards in an inclined mode through the buoyancy of the floating plate.
Preferably, a fixing frame is fixedly connected to the filter screen, a connecting column is fixedly connected to the fixing frame, a collecting box is fixedly connected to the connecting column, a rotating box is hinged to the collecting box, a supporting block is fixedly connected to the lower end of the collecting box and used for supporting the rotating box, a first pull rope is fixedly connected to the inner wall of the rotating box, two second fixed pulleys are fixedly connected to the fixing frame, a through hole is formed in the fixing frame, a moving rod can be inserted into the through hole, a butting block is fixedly connected to the lower end of the moving rod, a compression spring is sleeved on the moving rod, one end of the compression spring is fixedly connected with the butting block, the other end of the compression spring is fixedly connected with the fixing frame, the first pull rope penetrates through the two second fixed pulleys and is fixedly connected with the butting block, and a screen frame is connected to the position under the butting block through a pulling mechanism, one side of the lower end of the net frame is hinged with a hinged plate, two ends of the hinged plate are fixedly connected with extension springs, and the extension springs are fixedly connected with the net frame.
Preferably, the pulling mechanism comprises connecting lugs fixedly connected with two sides of the fixing frame, two third fixed pulleys are fixedly connected to the connecting lugs, second pull ropes are fixedly connected to two ends of the net frame and penetrate through second movable plates fixedly connected with the third fixed pulleys, second sliding grooves are formed in inner walls of two sides of the flow guide channel, the extending direction of the second sliding grooves is parallel to the bottom wall of the flow guide channel, and the second movable plates are slidably arranged in the second sliding grooves.
Preferably, the threaded rod is a stainless steel threaded rod.
The utility model provides a pair of wastewater treatment device, beneficial effect lies in: when the filter screen is blocked, the water level in the filter tank rises, the floating plate moves upwards, the rack drives the second gear to rotate, the second gear drives the first gear to rotate, the second bevel gear is driven to rotate, the first bevel gear drives the threaded rod to rotate, the cleaning plate is driven to move, the interceptor on the filter screen is scraped, and the filter screen is cleaned automatically
Thereby ensuring that the filtration can not be blocked and being beneficial to the treatment speed of wastewater treatment.
Drawings
FIG. 1 is a first perspective view of a wastewater treatment plant according to the present invention;
FIG. 2 is a second perspective view of a wastewater treatment plant according to the present invention;
FIG. 3 is a cross-sectional view of a perspective view of a wastewater treatment plant according to the present invention;
FIG. 4 is a perspective view of a wastewater treatment plant according to the present invention, shown in FIG. 3;
FIG. 5 is an enlarged view of part A of FIG. 2 of a wastewater treatment plant according to the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 4 of the wastewater treatment plant according to the present invention;
FIG. 7 is an enlarged view of the portion C in FIG. 2 of a wastewater treatment plant according to the present invention;
FIG. 8 is a schematic structural view of a filter screen part of a wastewater treatment device according to the present invention.
In the figure: the device comprises a filtering pool 1, a floating plate 2, a limiting groove 3, a connecting lug 4, a fixing frame 5, a water inlet pipe 6, a first rotating shaft 7, a first connecting plate 8, a second connecting plate 9, a first gear 10, a second gear 11, a third gear 12, a second rotating shaft 13, a first bevel gear 14, a second bevel gear 15, a threaded rod 16, a rack 17, a rotating box 18, a first pull rope 19, a first fixed pulley 20, a first moving plate 21, a flow guide channel 22, a second pull rope 23, a second moving plate 24, a filtering net 25, a third pull rope 26, a first sliding groove 27, a cleaning plate 28, a collecting box 29, a through hole 30, a second fixed pulley 31, a third fixed pulley 32, a moving rod 33, a compression spring 34, a net frame 35, a hinged plate 36, a tension spring 37, a butt joint block 38, a supporting block 39, a connecting column 40, a threaded sleeve 41, an L-shaped block 42 and a second sliding groove 43.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1-8, a wastewater treatment device, including filtering ponds 1, the intercommunication is provided with inlet tube 6 on filtering ponds 1, fixedly connected with filter screen 25 on the filtering ponds 1 inner wall, filtering ponds 1 one end slope fixedly connected with water conservancy diversion passageway 22, the height that water conservancy diversion passageway 22 is close to filtering ponds 1 one end is higher than the height that water conservancy diversion passageway 22 kept away from filtering ponds 1 one end, waste water enters filtering ponds 1 from inlet tube 6 in, waste water flows through filter screen 25, will play the effect of filtering the interception to waste water, carry out filtration treatment to waste water.
The inner walls of two sides of the filtering tank 1 are respectively provided with a limiting groove 3, a floating plate 2 is arranged in the limiting groove 3 in a sliding way, one end of the floating plate 2 is fixedly connected with a rack 17, a second connecting plate 9 is fixedly connected on the filtering tank 1, a second rotating shaft 13 is rotatably connected on the second connecting plate 9 through a bearing, one end of the second rotating shaft 13 is fixedly connected with a second gear 11, the other end of the second rotating shaft 13 is fixedly connected with a third gear 12, the second gear 11 is meshed with the rack 17, a first connecting plate 8 is fixedly connected on the filtering tank 1, a first rotating shaft 7 is rotatably connected on the first connecting plate 8 through a bearing, one end of the first rotating shaft 7 is fixedly connected with a first gear 10, the other end of the first rotating shaft 7 is fixedly connected with a second bevel gear 15, the first gear 10 is meshed with the third gear 12, the number of teeth of the first gear 10 is less than that of the third gear 12, a threaded rod 16 is rotatably connected on the inner wall of the filtering tank 1 through a bearing, the threaded rod 16 is a stainless steel threaded rod, the threaded rod 16 is fixedly connected with a first bevel gear 14, the first bevel gear 14 is meshed with a second bevel gear 15, the threaded rod 16 is in threaded connection with a threaded sleeve 41, the lower end of the threaded sleeve 41 is fixedly connected with an L-shaped block 42, the lower end of the L-shaped block 42 is fixedly connected with a cleaning plate 28, the cleaning plate 28 and the L-shaped block 42 are both abutted against the filter screen 25, the floating plate 2 is provided with a reset mechanism, when the filter screen 25 is blocked by a blocking object, the water level in the filter tank 1 can be increased, under the action of water buoyancy, the floating plate 2 is slidably arranged in the limiting groove 3 and is fixedly connected with the rack 17, the rack 17 is driven to move upwards, the second gear 11 is driven to rotate because the second gear 11 is meshed with the rack 17, and the second gear 11 is fixedly connected with the third gear 12 through a second rotating shaft 13, will drive third gear 12 and rotate, first gear 10 meshes with third gear 12 mutually, the number of teeth of first gear 10 is less than the number of teeth of third gear 12, thereby make first gear 10 do the accelerated motion, will drive first pivot 7 and carry out the high-speed rotation, because first bevel gear 14 meshes with second bevel gear 15 mutually, will drive threaded rod 16 and rotate, and threaded rod 16 and 41 threaded connection of thread bush, and L-shaped piece 42 plays spacing effect to cleaning plate 28, avoided cleaning plate 28 to take place to rotate, thereby make cleaning plate 28 remove, make cleaning plate 28 when removing, scrape the interception thing of adhesion on filter screen 25 down, avoided filter screen 25's jam, carry out automatic clearance to filter screen 25.
The resetting mechanism comprises a first fixed pulley 20 fixedly connected with the bottom wall of the filtering tank 1, the first fixed pulley 20 is positioned under the floating plate 2, the lower end of the floating plate 2 is fixedly connected with a third pull rope 26, the third pull rope 26 penetrates through the first fixed pulley 20 and penetrates through a filtering net 25 to be fixedly connected with a first movable plate 21, the inner walls of two sides of the diversion channel 22 are respectively provided with a first chute 27, the extending direction of the first chute 27 is parallel to the bottom wall of the diversion channel 22, the first movable plate 21 is slidably arranged in the first chute 27, the first movable plate 21 can be driven to obliquely move upwards by the buoyancy of the floating plate 2, so that when the floating plate is blocked, the first movable plate 21 can be driven to move by the buoyancy of the floating plate 2, because the weight of the floating plate 2 is light, and meanwhile, when the driving threaded rod 16 rotates, the resistance with larger friction force exists, after the floating plate 2 floats upwards, the floating plate 2 can not reset by self gravity, when the filter screen 25 is dredged, water can flow through the filter screen 25, because the diversion channel 22 is obliquely arranged, a fall can be formed when the water flows through the floating plate, the gravitational potential energy of the water can be converted into kinetic energy, impact force can be generated on the first movable plate 21, the first movable plate 21 can move downwards, the third pull rope 26 can pull the floating plate 2 to move downwards to reset the floating plate 2, so that the cleaning plate 28 can be reset, when the filter screen 25 is blocked again, the water flow can be gradually reduced, the impact force of the water flow on the first movable plate 21 is reduced, the water level of the filter tank 1 rises, the floating plate 2 moves upwards, the filter screen 25 is automatically cleaned by circulating, the filter screen 25 is conducted, the first sliding chute 27 is designed, the stability of the first movable plate 21 during moving is ensured, and the stressed area during water impact force is also ensured, is favorable for ensuring the impact force.
When the device works, wastewater enters the filter tank 1 from the water inlet pipe 6, when the filter screen 25 is blocked, the water level in the filter tank 1 rises, meanwhile, the impact force of water flow on the first moving plate 21 is reduced, the floating plate 2 moves upwards along with the continuous blocking, the floating plate 2 is fixedly connected with the rack 17, the rack 17 is driven to move upwards, the second gear 11 is driven to rotate as the second gear 11 is meshed with the rack 17, the third gear 12 is driven to rotate as the second gear 11 is fixedly connected with the third gear 12 through the second rotating shaft 13, the first gear 10 is meshed with the third gear 12, the number of teeth of the first gear 10 is smaller than that of the third gear 12, so that the first gear 10 performs acceleration motion, the first rotating shaft 7 is driven to rotate rapidly, and the first bevel gear 14 is meshed with the second bevel gear 15, the threaded rod 16 is driven to rotate, the threaded sleeve 41 is driven to move, the cleaning plate 28 is driven to move, when the cleaning plate 28 moves, the blocking objects adhered to the filter screen 25 are scraped, the filter screen 25 is conducted, water in the filter tank 1 can descend, the amount of water flowing through the filter screen 25 is increased, impact force is formed on the first moving plate 21, the first moving plate 21 pulls the third pull rope 26, the floating plate 2 moves downwards, the floating plate 2 is reset, the cleaning plate 28 is reset, and when the filter screen 25 is blocked again, the steps are repeated.
Example 2
In embodiment 1, although the filtering net 25 can be automatically cleaned to ensure the processing speed, the intercepted floating objects and suspended objects are still in the filtering tank 1 and are not cleaned, referring to fig. 1-4, 6 and 7, as another preferred embodiment of the present invention, on the basis of embodiment 1, the filtering net 25 is fixedly connected with a fixing frame 5, the fixing frame 5 is fixedly connected with a connecting column 40, the connecting column 40 is fixedly connected with a collecting box 29, the collecting box 29 is hinged with a rotating box 18, the lower end of the collecting box 29 is fixedly connected with a supporting block 39, the supporting block 39 is used for supporting the rotating box 18, the inner wall of the rotating box 18 is fixedly connected with a first pulling rope 19, the fixing frame 5 is fixedly connected with two second fixed pulleys 31, the fixing frame 5 is provided with a through hole 30, the through hole 30 can be inserted with a moving rod 33, the lower end of the moving rod 33 is fixedly connected with an abutting block 38, the moving rod 33 is sleeved with a compression spring 34, one end of the compression spring 34 is fixedly connected with the abutting block 38, the other end of the compression spring is fixedly connected with the fixed frame 5, the first pull rope 19 passes through the two second fixed pulleys 31 and is fixedly connected with the abutting block 38, the right lower side of the abutting block 38 is connected with the screen frame 35 through a pulling mechanism, one side of the lower end of the screen frame 35 is hinged with a hinged plate 36, two ends of the hinged plate 36 are fixedly connected with extension springs 37, the two extension springs 37 are fixedly connected with the screen frame 35, when the filter screen 25 is blocked, no water flow forms impact force on the second moving plate 24, so that the screen frame 35 is positioned in the filter tank 1 under the action of gravity, when the filter screen 25 is cleaned, the water flow forms impact force on the second moving plate 24 again, so that the second pull rope 23 pulls the second pull rope 23 to pull the screen frame 35, and the screen frame 35 salvages floaters and suspended matters, when the hinged plate 36 on the bottom wall of the net frame 35 abuts against the abutting block 38, the net frame 35 is continuously pulled to move upwards, so that the abutting block 38 moves upwards, the moving rod 33 moves upwards, the compression spring 34 is continuously compressed, the first pull rope 19 is fixedly connected to the abutting block 38, one end of the first pull rope 19 moves upwards, so that the lower end of the first pull rope 19 is in a loose state, the rotating box 18 is aligned with the collecting box 29, meanwhile, the extension spring 37 is extended, so that the hinged plate 36 is opened, floaters and suspended matters fished up on the hinged plate 36 slide downwards onto the rotating box 18 under the action of gravity, when the filter screen 25 is blocked again, the impact force of water flow on the second moving plate 24 is reduced, the net frame 35 moves downwards, and simultaneously, when the net frame 35 moves downwards, under the restoring force of the extension spring 37, the hinged plate 36 is closed, and the compression spring 34 can drive the abutting block 38 to move downwards, so that the first pull rope 19 moves downwards, the first pull rope 19 is pulled to rotate the box 18, the rotating box 18 rotates clockwise, the rotating box 18 is packed up, the rotating angle of the rotating box 18 is smaller than 90 degrees, so that the rotating box 18 can be reset under the action of gravity, the interceptors collected by the rotating box 18 enter the collecting box 29 under the action of gravity, the rotating box 18 can cause obstruction when the net frame 35 falls, the net frame 35 can continue to enter the filtering tank 1, and floaters and suspended matters are salvaged.
The pulling mechanism includes engaging lug 4 with 5 both sides fixed connection of mount, equal fixedly connected with third fixed pulley 32 on two engaging lugs 4, equal fixedly connected with second stay cord 23 in both ends of screen frame 35, two second stay cords 23 pass third fixed pulley 32 fixedly connected with second movable plate 24, second spout 43 has all been seted up on the inner wall of water conservancy diversion passageway 22 both sides, the extending direction and the 22 diapire of water conservancy diversion passageway of second spout 43 are parallel, 24 slidable ground of second movable plate set up in second spout 43, strike second movable plate 24 through rivers, the impact force of production, pull up screen frame 35, when filter screen 25 blocks up, the impact force that produces second movable plate 24 reduces, screen frame 35 resets under the effect of gravity.
When the filter screen 25 is blocked, no water flow impacts the second moving plate 24, so that the screen frame 35 is positioned in the filter tank 1 under the action of gravity, when the filter screen 25 is cleaned, the water flow impacts the second moving plate 24 again, so that the second moving plate 24 pulls the second pull rope 23, the second pull rope 23 pulls the screen frame 35, the screen frame 35 salvages the floating objects and suspended objects, when the hinged plate 36 on the bottom wall of the screen frame 35 abuts against the abutting block 38, the screen frame 35 continues to be pulled to move upwards, so that the abutting block 38 moves upwards, the moving rod 33 moves upwards, the compression spring 34 continues to be compressed, the first pull rope 19 is fixedly connected to the abutting block 38, one end of the first pull rope 19 also moves upwards, so that the lower end of the first pull rope 19 is in a loose state, the rotating box 18 is leveled with the collecting box 29, at the same time, the tension spring 37 will be stretched, so that the hinged plate 36 will be opened, and the floating objects and suspended objects fished up on the hinged plate 36 will slide down onto the rotating box 18 under the action of gravity, when the filter screen 25 is blocked again, the impact force of the water flow on the second moving plate 24 is reduced, so that the screen frame 35 moves downwards under the action of gravity, and simultaneously, as the screen frame 35 moves downwards, the hinge plate 36 is closed by the restoring force of the tension spring 37, and since the hinge plate 36 is not pressed against the abutment block 38, the compression spring 34 will move the abutment block 38 downward, which will move the first cable 19 downward, so that the first pulling rope 19 pulls the rotating box 18, the rotating box 18 rotates clockwise, the rotating box 18 is retracted and the intercepted material collected by the rotating box 18 enters the collecting box 29 under the action of gravity.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (1)
1. A wastewater treatment device comprises a filter tank (1), wherein a water inlet pipe (6) is arranged on the filter tank (1) in a communicated manner, and the wastewater treatment device is characterized in that a filter screen (25) is fixedly connected to the inner wall of the filter tank (1), a diversion channel (22) is fixedly connected to one end of the filter tank (1) in an inclined manner, the diversion channel (22) is higher than the diversion channel (22) at one end far away from the filter tank (1), limiting grooves (3) are respectively formed on the inner walls of two sides of the filter tank (1), floating plates (2) are slidably arranged in the limiting grooves (3), racks (17) are fixedly connected to one ends of the floating plates (2), a second connecting plate (9) is fixedly connected to the filter tank (1), and a second rotating shaft (13) is rotatably connected to the second connecting plate (9) through bearings, one end of the second rotating shaft (13) is fixedly connected with a second gear (11), the other end of the second rotating shaft (13) is fixedly connected with a third gear (12), the second gear (11) is meshed with the rack (17), the filter tank (1) is fixedly connected with a first connecting plate (8), the first connecting plate (8) is rotatably connected with a first rotating shaft (7) through a bearing, one end of the first rotating shaft (7) is fixedly connected with a first gear (10), the other end of the first rotating shaft (7) is fixedly connected with a second bevel gear (15), the first gear (10) is meshed with the third gear (12), the number of teeth of the first gear (10) is smaller than that of the third gear (12), the inner wall of the filter tank (1) is rotatably connected with a threaded rod (16) through a bearing, and the threaded rod (16) is fixedly connected with a first bevel gear (14), the first bevel gear (14) is meshed with the second bevel gear (15), a threaded sleeve (41) is connected to the threaded rod (16) in a threaded mode, an L-shaped block (42) is fixedly connected to the lower end of the threaded sleeve (41), a cleaning plate (28) is fixedly connected to the lower end of the L-shaped block (42), the cleaning plate (28) is connected with the L-shaped block (42) and is abutted to the filter screen (25), and a reset mechanism is arranged on the floating plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022130730.7U CN214130476U (en) | 2020-09-25 | 2020-09-25 | Waste water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022130730.7U CN214130476U (en) | 2020-09-25 | 2020-09-25 | Waste water treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214130476U true CN214130476U (en) | 2021-09-07 |
Family
ID=77557249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022130730.7U Expired - Fee Related CN214130476U (en) | 2020-09-25 | 2020-09-25 | Waste water treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214130476U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272655A (en) * | 2021-12-24 | 2022-04-05 | 湖北仕上电子科技有限公司 | Cleaning system for flat panel display device |
| CN115554757A (en) * | 2022-10-15 | 2023-01-03 | 中起塬(北京)技术发展中心 | Automatic treatment equipment and process for office building sewage |
-
2020
- 2020-09-25 CN CN202022130730.7U patent/CN214130476U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272655A (en) * | 2021-12-24 | 2022-04-05 | 湖北仕上电子科技有限公司 | Cleaning system for flat panel display device |
| CN115554757A (en) * | 2022-10-15 | 2023-01-03 | 中起塬(北京)技术发展中心 | Automatic treatment equipment and process for office building sewage |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211124 Address after: 312000 801-808, science and technology entrepreneurship building, No. 1, Hehu Road, Doumen street, Yuecheng District, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Rongjie Environmental Protection Technology Co.,Ltd. Address before: 310000 Zhijiang college, Zhejiang University of technology, 182 Zhijiang Road, Hangzhou, Zhejiang Province Patentee before: Shen Yang |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |