CN216259296U - Anti-blocking filter press with quick liquid feeding function - Google Patents
Anti-blocking filter press with quick liquid feeding function Download PDFInfo
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- CN216259296U CN216259296U CN202120797799.7U CN202120797799U CN216259296U CN 216259296 U CN216259296 U CN 216259296U CN 202120797799 U CN202120797799 U CN 202120797799U CN 216259296 U CN216259296 U CN 216259296U
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- feed liquor
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Abstract
The utility model discloses a rapid liquid inlet anti-blocking filter press, which belongs to the technical field of filter presses and comprises a bottom plate, a lifting adjusting assembly, a mounting plate, a filter press body, a liquid inlet box, a movable partition plate, a first pipeline, a second pipeline, a movable assembly, three liquid inlet control assemblies, three anti-blocking assemblies and three liquid inlet pipes, wherein the movable assembly is mounted at the bottom of the liquid inlet box, one end of the movable assembly extends to be fixedly connected with the movable partition plate, the three liquid inlet control assemblies are mounted in a liquid inlet cavity, and the three anti-blocking assemblies are mounted in the mounting cavity. The liquid inlet control assembly controls the quantity of the liquid inlet pipes communicated with the liquid inlet cavity according to the actual flow velocity of liquid flowing into the liquid inlet cavity, so that the situation that liquid inlet of the filter press body is slow is avoided, the three anti-blocking assemblies work to clean the interiors of the three liquid inlet pipes, and the filter press body cannot work normally due to blockage of the liquid inlet pipes is prevented.
Description
Technical Field
The utility model relates to the technical field of filter presses, in particular to a rapid liquid inlet anti-blocking filter press.
Background
The filter press is mature dewatering equipment, wherein filter plates with filtrate passages and filter frames are arranged in parallel and alternately, the filter plates and the filter frames are pressed by pressing ends, a filter pressing chamber is formed between the filter plates, materials flow in from a feed inlet, filtrate is discharged from a filtrate outlet through the filter plates, filter residues are accumulated in the filter frames to form filter cake layers, and the filter cake layers are peeled off after the filter plates and the filter frames are loosened, so that the purpose of filtering is achieved. The filter press has the advantages of simple structure, easy and stable operation, flexible selection range of filter area, less occupied area of unit filter area, large filter driving force and strong adaptability to materials, thereby being widely applied to the fields of chemical industry, light industry, petroleum, pharmacy, food, resource development, metallurgical coal, national defense industry, environmental protection and the like.
The existing filter press generally has only one liquid inlet hole, when too much liquid flows in, the liquid inlet is slow, and once the liquid inlet hole is blocked, the whole filter press cannot work normally.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rapid liquid feeding anti-blocking filter press, which solves the problems in the prior art.
The technical scheme for realizing the purpose is as follows: the utility model provides a stifled pressure filter is prevented to quick feed liquor which characterized in that: the filter press comprises a bottom plate, a lifting adjusting assembly, a mounting plate, a filter press body, a liquid inlet box, a movable partition plate, a first pipeline, a second pipeline and three liquid inlet pipes.
The filter press comprises a bottom plate, a lifting adjusting assembly, a mounting plate, a filter press body, a liquid inlet box, a baffle plate, a strip-shaped seam, a moving assembly and a pressing assembly, wherein the lifting adjusting assembly is mounted on the bottom plate, the mounting plate is mounted on the lifting adjusting assembly in a lifting mode, the filter press body is arranged on the mounting plate, the liquid inlet box is mounted on a frame of the filter press body, the middle of the liquid inlet box is provided with the baffle plate, the baffle plate divides the liquid inlet box into a liquid inlet cavity and a mounting cavity which are mutually independent, the strip-shaped seam is arranged on one side of the liquid inlet box and facilitates the inlet and outlet of the baffle plate, the bottom of the liquid inlet box is provided with the moving assembly for driving the baffle plate to slide along slide rails, and the moving assembly is used for driving the baffle plate to move along the two slide rails so as to control the communication and the partition between the mounting cavity and the liquid inlet cavity;
first pipeline is linked together with the top in feed liquor chamber and is connected, and the second pipeline is linked together with the bottom in feed liquor chamber and is connected with the valve on first pipeline, the second pipe respectively, and the one end of three feed liquor pipe is connected with the feed inlet of pressure filter body, the other end extends to the feed liquor intracavity of liquid inlet box, sealing connection between the lateral wall of feed liquor pipe and liquid inlet box, and the feed liquor pipe corresponds respectively and is provided with feed liquor control assembly, the installation cavity installation is used for carrying out the stifled subassembly of preventing of clearing up to the feed liquor pipe.
Further, feed liquor control assembly is including the laminating at the control panel that feed liquor pipe extends to the one end port of feed liquor intracavity, be equipped with the feed liquor hole that corresponds with the feed liquor pipe on the control panel, the control panel is respectively through the setting of guide rail liftable in the feed liquor intracavity, the upper end of control panel upwards stretches out into the liquid case, the top of entering liquid case is installed respectively that the drive corresponds the control panel and is followed the actuating cylinder that drives that the guide rail goes up and down, it is connected with corresponding the control panel through L shape connecting plate respectively to drive actuating cylinder, it goes up and down to drive actuating cylinder and be used for the drive to correspond the control panel, thereby feed liquor hole on the control panel with correspond feed liquor pipe intercommunication or through the corresponding port that the control panel closed feed liquor pipe, with this quantity of controlling feed liquor chamber intercommunication feed liquor pipe.
Furthermore, the upper end and the lower end of the partition plate are slidably mounted in the liquid inlet box through slide rails, and sealing strips are arranged between the partition plate and the strip-shaped seams.
Furthermore, the moving assembly comprises a bearing frame, a pushing cylinder and an L-shaped plate, the bearing frame is arranged at the bottom of the liquid inlet box, the pushing cylinder is horizontally arranged at the bottom of the bearing frame, and two ends of the L-shaped plate are respectively fixedly connected with the output end of the pushing cylinder and the moving partition plate; the L-shaped plate is driven to move by pushing the air cylinder, and the L-shaped plate drives the movable partition plate to move along the two slide rails, so that the communication and the partition between the installation cavity and the liquid inlet cavity are controlled.
Further, prevent stifled subassembly including respectively with three feed liquor pipe coaxial arrangement three prevent stifled telescopic cylinder, prevent stifled telescopic cylinder and install on the outer wall of installation cavity one side, prevent that the flexible end of stifled telescopic cylinder extends to in the installation cavity and be connected with the connecting seat, install waterproof motor on the connecting seat, the output of waterproof motor is connected with the pivot, the front end of pivot be connected with correspond the feed liquor pipe coaxial line arrange and towards the brush that corresponds the feed liquor pipe.
Further, lift adjustment subassembly includes four lifters, four lifters are the rectangle and distribute on the bottom plate, every lifter all includes the sliding sleeve, the traveller, the rack, rotate seat and gear, gliding setting about the traveller is in the sliding sleeve, be provided with the notch that the width is less than the traveller width on the outside of sliding sleeve, the arrangement of rack liftable sets up the one side of notch at the sliding sleeve, and through notch and corresponding traveller fixed connection, every rack all corresponds the meshing and has the gear, connect through the connecting axle transmission between two gears of homonymy, the connecting axle is installed through rotating the seat rotation and is being corresponded between the sliding sleeve of side, pass through the sprocket between the connecting axle of both sides, chain drive connects, still install the connecting axle pivoted lift driving motor who drives wherein one side on one of them sliding sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
firstly, when too much liquid flows in the filter press, the three liquid inlet control assemblies work to control the liquid inlet cavities to be communicated with the three liquid inlet pipes, the liquid inlet control assemblies control the quantity of the liquid inlet cavities communicated with the liquid inlet pipes according to the flow rate of the liquid flowing into the liquid inlet cavities actually, the situation that liquid inlet of the filter press body is slow is avoided, meanwhile, after the filter press body is used for a certain time, the valve on the second pipeline is opened to discharge the residual liquid in the liquid inlet cavities, then the moving assemblies drive the moving partition plates to move on the two slide rails, the moving partition plates move for a certain distance, at the moment, the mounting cavities are communicated with the liquid inlet cavities, then the three anti-blocking assemblies work to clean the interiors of the three liquid inlet pipes, the filter press body cannot work normally due to blocking of the liquid inlet pipes is prevented, and meanwhile, the lifting adjusting assemblies adjust the height of the filter press body according to actual requirements.
Secondly, the connecting plate is driven to move by the driving cylinder, the connecting plate drives the control plate to move on the two guide rails, when the liquid inlet hole in the control plate moves to correspond to the liquid inlet pipe, the liquid inlet cavity is communicated with the corresponding liquid inlet pipe, and when the liquid inlet hole in the control plate moves to be separated from the liquid inlet pipe, the liquid inlet cavity is not communicated with the corresponding liquid inlet pipe, so that the quantity of the liquid inlet pipes communicated with the liquid inlet cavity is controlled.
Thirdly, the connecting seat is driven to move through the work of the hydraulic cylinder, the connecting seat drives the rotating shaft to move, the rotating shaft drives the fixing sleeve to move into the liquid inlet pipe, the waterproof motor drives the fixing sleeve to rotate while the fixing sleeve moves, the fixing sleeve drives the plurality of brush heads to rotate, the plurality of brush heads rotate to clean sundries in the liquid inlet pipe, and the situation that the filter press body cannot normally work due to the blockage of the liquid inlet pipe is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a third schematic perspective view of the present invention;
FIG. 4 is a partial cross-sectional view of the first embodiment of the present invention;
FIG. 5 is a partial sectional view of the second embodiment of the present invention;
FIG. 6 is a partial perspective view of the first embodiment of the present invention;
fig. 7 is a partial perspective view of the second embodiment of the present invention.
Reference numerals: the filter press comprises a bottom plate 1, a lifting adjusting assembly 2, a driving piece 21, a transverse plate 211, a driving motor 212, a driving chain wheel 213, a driven chain wheel 214, a chain 215, a connecting shaft 22, a lifting piece 23, a sliding sleeve 231, a sliding column 232, a rack 233, a rotating seat 234, a gear 235, a rectangular groove 236, a mounting plate 3, a filter press body 4, a liquid inlet tank 41, a movable partition plate 42, a first pipeline 43, a second pipeline 44, a sliding rail 45, a liquid inlet cavity 46, a mounting cavity 47, a valve 48, a movable assembly 5, a bearing frame 51, a pushing cylinder 52, an L-shaped plate 53, a liquid inlet control assembly 6, a control plate 61, a driving cylinder 62, a connecting plate 63, a guide rail 64, a liquid inlet hole 65, an anti-blocking assembly 7, a hydraulic cylinder 71, a connecting seat 72, a waterproof motor 73, a rotating shaft 74, a fixing sleeve 75, a brush head 76 and a liquid inlet pipe 8.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The following is combined with fig. 1 to 7:
the embodiment of the utility model provides a rapid liquid feeding anti-blocking filter press which comprises a bottom plate 1, a lifting adjusting assembly 2, a mounting plate 3, a filter press body 4, a liquid feeding box 41, a movable partition plate 42, a first pipeline 43, a second pipeline 44 and three liquid feeding pipes 8.
The moving assembly 5 comprises a bearing frame 51, a pushing cylinder 52 and an L-shaped plate 53, the bearing frame 51 is arranged at the bottom of the liquid inlet tank 41, the pushing cylinder 52 is horizontally arranged at the bottom of the bearing frame 51, and two ends of the L-shaped plate 53 are respectively fixedly connected with the output end of the pushing cylinder 52 and the moving partition plate 42; the L-shaped plate 53 is driven to move by the work of the pushing cylinder 52, and the L-shaped plate 53 drives the movable partition plate 42 to move on the two slide rails 45, so that the communication and the partition between the installation cavity 47 and the liquid inlet cavity 46 are controlled.
The first pipeline 43 is communicated with the top end of the liquid inlet cavity 46, the second pipeline 44 is communicated with the bottom end of the liquid inlet cavity 46, the first pipeline 43 and the second pipeline 44 are respectively connected with a valve 48, one end of each of three liquid inlet pipes 8 is connected with a feed inlet of the filter press body 4, the other end of each of the three liquid inlet pipes extends into the liquid inlet cavity 46 of the liquid inlet box 41, the side walls of the liquid inlet pipes 8 and the liquid inlet box 41 are hermetically connected, the liquid inlet pipes 8 are respectively and correspondingly provided with a liquid inlet control assembly 6, each liquid inlet control assembly 6 comprises a control plate 61 attached to one end port of each liquid inlet pipe 8 extending into the liquid inlet cavity 46, a liquid inlet hole 65 corresponding to each liquid inlet pipe 8 is arranged on each control plate 61, the control plates 61 are respectively arranged in the liquid inlet cavities 46 in a lifting manner through guide rails 64, the upper ends of the control plates 61 upwards extend out of the liquid inlet boxes 41, and the top ends of the liquid inlet boxes 41 are respectively provided with driving cylinders 62 for driving the control plates 61 to lift along the guide rails 64, the driving cylinders 62 are respectively connected with the corresponding control plates 21 through L-shaped connecting plates 63, and the driving cylinders 62 are used for driving the corresponding control plates 61 to ascend and descend, so that the liquid inlet holes 65 in the control plates 61 are communicated with the corresponding liquid inlet pipes 8 or the corresponding ports of the liquid inlet pipes 8 are sealed through the control plates 61, and the quantity of the liquid inlet cavities 46 communicated with the liquid inlet pipes 8 is controlled.
Install on the liquid inlet box 41 and prevent stifled subassembly 7, prevent stifled subassembly 7 including respectively with three feed liquor pipe 8 coaxial arrangement three prevent stifled telescopic cylinder 71, prevent stifled telescopic cylinder 71 and install on the outer wall of installation cavity 47 one side, prevent that the flexible end of preventing stifled telescopic cylinder 71 extends to in the installation cavity 47, and be connected with connecting seat 72, install waterproof motor 73 on the connecting seat 72, waterproof motor 73's output is connected with pivot 74, the front end of pivot 74 is connected with and corresponds 8 coaxial arrangements of feed liquor pipe, and towards the brush 76 that corresponds feed liquor pipe 8.
The brush head 76 is used for cleaning sundries in the corresponding liquid inlet pipe 8, and prevents the liquid inlet pipe 8 from being blocked to cause the filter press body 4 to work abnormally.
In a specific embodiment, the lifting adjusting assembly 2 includes four lifting members 23, the four lifting members 23 are distributed on the bottom plate 1 in a rectangular shape, each lifting member 23 includes a sliding sleeve 231, a sliding column 232, a rack 233, a rotating seat 234 and a gear 235, the sliding column 232 is disposed in the sliding sleeve 231 in a vertically sliding manner, a notch 236 with a width smaller than that of the sliding column 232 is disposed on the outside of the sliding sleeve 231, the rack 233 is disposed on one side of the sliding sleeve 231 with the notch 236 in a lifting manner and is fixedly connected with the corresponding sliding column 232 via the notch 236, each rack 233 is correspondingly engaged with the gear 235, two gears 235 on the same side are in transmission connection through a connecting shaft 22, the connecting shaft 22 is rotatably mounted between the sliding sleeves 231 on the corresponding side through the rotating seat 234, the connecting shafts 22 on both sides are in transmission connection through a sprocket 214 and a chain 215, one of the sliding sleeves 231 is further provided with a lifting driving motor 212 for driving the connecting shaft 22 at one side to rotate.
The working principle of the utility model is as follows: when the liquid that flows in is too much, three feed liquor control assembly 6 work control feed liquor chamber 46 and three feed liquor pipe 8 all communicate, and feed liquor control assembly 6 controls the quantity that feed liquor chamber 46 communicates feed liquor pipe 8 according to the velocity of flow of the interior liquid of actual inflow feed liquor chamber 46, avoids filter press body 4 to take place the slow condition of feed liquor.
And after filter press body 4 used a certain period of time, valve 48 on the second pipeline 44 opened the remaining liquid discharge in the feed liquor chamber 46, then remove subassembly 5 and drive removal baffle 42 and remove on two slide rails 45, remove baffle 42 and remove the certain distance, installation cavity 47 and feed liquor chamber 46 intercommunication this moment, three anti-blocking subassembly 7 work is cleared up three inside of feed liquor pipe 8 afterwards, prevent that feed liquor pipe 8 from blockking up and causing the unable normal work of filter press body 4, lift adjusting part 2 adjusts the height of filter press body 4 according to actual need simultaneously.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a stifled pressure filter is prevented to quick feed liquor which characterized in that: the filter press comprises a bottom plate, a lifting adjusting assembly, a mounting plate, a filter press body, a liquid inlet box, a movable partition plate, a first pipeline, a second pipeline and three liquid inlet pipes;
the filter press comprises a bottom plate, a lifting adjusting assembly, a mounting plate, a filter press body, a liquid inlet box, a baffle plate, a strip-shaped seam, a moving assembly and a pressing assembly, wherein the lifting adjusting assembly is mounted on the bottom plate, the mounting plate is mounted on the lifting adjusting assembly in a lifting mode, the filter press body is arranged on the mounting plate, the liquid inlet box is mounted on a frame of the filter press body, the middle of the liquid inlet box is provided with the baffle plate, the baffle plate divides the liquid inlet box into a liquid inlet cavity and a mounting cavity which are mutually independent, the strip-shaped seam is arranged on one side of the liquid inlet box and facilitates the inlet and outlet of the baffle plate, the bottom of the liquid inlet box is provided with the moving assembly for driving the baffle plate to slide along slide rails, and the moving assembly is used for driving the baffle plate to move along the two slide rails so as to control the communication and the partition between the mounting cavity and the liquid inlet cavity;
first pipeline is linked together with the top in feed liquor chamber and is connected, and the second pipeline is linked together with the bottom in feed liquor chamber and is connected with the valve on first pipeline, the second pipe respectively, and the one end of three feed liquor pipe is connected with the feed inlet of pressure filter body, the other end extends to the feed liquor intracavity of liquid inlet box, sealing connection between the lateral wall of feed liquor pipe and liquid inlet box, and the feed liquor pipe corresponds respectively and is provided with feed liquor control assembly, the installation cavity installation is used for carrying out the stifled subassembly of preventing of clearing up to the feed liquor pipe.
2. A rapid inlet feed anti-clogging filter press as set forth in claim 1, wherein: feed liquor control assembly is including the laminating at the control panel that feed liquor pipe extends to on the one end port of feed liquor intracavity, be equipped with the feed liquor hole that corresponds with the feed liquor pipe on the control panel, the setting that the control panel passes through the guide rail liftable respectively is in the feed liquor intracavity, the upper end of control panel upwards stretches out into the liquid case, the top of entering liquid case is installed respectively that the drive corresponds the control panel and is followed the actuating cylinder that drives that the guide rail goes up and down, it is connected with corresponding control panel through L shape connecting plate respectively to drive actuating cylinder, it goes up and down to drive actuating cylinder and be used for the drive to correspond the control panel, thereby feed liquor hole on the control panel with correspond feed liquor pipe intercommunication or through the corresponding port that the control panel seals the feed liquor pipe, with this quantity of controlling feed liquor chamber intercommunication feed liquor pipe.
3. A rapid inlet feed anti-clogging filter press as set forth in claim 1, wherein: the upper end and the lower end of the partition plate are slidably installed in the liquid inlet box through slide rails, and sealing strips are arranged between the partition plate and the strip-shaped seams.
4. A rapid inlet feed anti-clogging filter press as set forth in claim 1, wherein: the moving assembly comprises a bearing frame, a pushing cylinder and an L-shaped plate, the bearing frame is arranged at the bottom of the liquid inlet box, the pushing cylinder is horizontally arranged at the bottom of the bearing frame, and two ends of the L-shaped plate are respectively fixedly connected with the output end of the pushing cylinder and the moving partition plate; the L-shaped plate is driven to move by pushing the air cylinder, and the L-shaped plate drives the movable partition plate to move along the two slide rails, so that the communication and the partition between the installation cavity and the liquid inlet cavity are controlled.
5. A rapid inlet feed anti-clogging filter press as set forth in claim 1, wherein: prevent stifled subassembly including respectively with three feed liquor pipe coaxial arrangement three prevent stifled telescopic cylinder, prevent stifled telescopic cylinder and install on the outer wall of installation cavity one side, prevent that the flexible end of stifled telescopic cylinder extends to in the installation cavity and be connected with the connecting seat, install waterproof motor on the connecting seat, the output of waterproof motor is connected with the pivot, the front end of pivot be connected with correspond the feed liquor pipe coaxial line arrange and towards the brush that corresponds the feed liquor pipe.
6. A rapid inlet feed anti-clogging filter press as set forth in claim 1, wherein: the lift adjustment subassembly includes four lifting members, four lifting members are the rectangle and distribute on the bottom plate, every lifting member all includes the sliding sleeve, the traveller, the rack, rotate seat and gear, gliding setting is in the traveller from top to bottom in the traveller, be provided with the notch that the width is less than the traveller width on the outside of sliding sleeve, the arrangement of rack liftable sets up the one side of notch at the sliding sleeve, and through notch and corresponding traveller fixed connection, every rack all corresponds the meshing and has the gear, connect through the connecting axle transmission between two gears of homonymy, the connecting axle is installed between the sliding sleeve that corresponds the side through rotating the seat rotation, pass through the sprocket between the connecting axle of both sides, chain drive connects, still install the connecting axle pivoted lift driving motor who drives wherein one side on one of them sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120797799.7U CN216259296U (en) | 2021-04-19 | 2021-04-19 | Anti-blocking filter press with quick liquid feeding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120797799.7U CN216259296U (en) | 2021-04-19 | 2021-04-19 | Anti-blocking filter press with quick liquid feeding function |
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| Publication Number | Publication Date |
|---|---|
| CN216259296U true CN216259296U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120797799.7U Active CN216259296U (en) | 2021-04-19 | 2021-04-19 | Anti-blocking filter press with quick liquid feeding function |
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| CN (1) | CN216259296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117358674A (en) * | 2023-11-07 | 2024-01-09 | 湖北美辰环保股份有限公司 | Phosphogypsum composite pickling equipment and process |
-
2021
- 2021-04-19 CN CN202120797799.7U patent/CN216259296U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117358674A (en) * | 2023-11-07 | 2024-01-09 | 湖北美辰环保股份有限公司 | Phosphogypsum composite pickling equipment and process |
| CN117358674B (en) * | 2023-11-07 | 2024-04-19 | 湖北美辰环保股份有限公司 | Phosphogypsum composite pickling equipment and process |
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Address after: 225009 No.458 Wenchang West Road, Hanjiang District, Yangzhou City, Jiangsu Province Patentee after: Yangzhou Vocational University (Yangzhou Open University) Address before: 225009 No.458 Wenchang West Road, Hanjiang District, Yangzhou City, Jiangsu Province Patentee before: Yangzhou Vocational University (Yangzhou Radio and TV University) |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230816 Address after: 100000 room 705, unit 2, floor 6, building 6, yard 1, Beiqing Road, Changping District, Beijing Patentee after: Zhongji high tech (Beijing) Biotechnology Co.,Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. Effective date of registration: 20230816 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 225009 No.458 Wenchang West Road, Hanjiang District, Yangzhou City, Jiangsu Province Patentee before: Yangzhou Vocational University (Yangzhou Open University) |
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