CN212141816U - Movable blowing system and bag-type dust collector - Google Patents
Movable blowing system and bag-type dust collector Download PDFInfo
- Publication number
- CN212141816U CN212141816U CN202020364637.XU CN202020364637U CN212141816U CN 212141816 U CN212141816 U CN 212141816U CN 202020364637 U CN202020364637 U CN 202020364637U CN 212141816 U CN212141816 U CN 212141816U
- Authority
- CN
- China
- Prior art keywords
- pipe
- injection
- control valve
- bag
- dust collector
- 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.)
- Active
Links
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a portable jetting system, including the lateral shifting track, the travelling car, elevating system and jet-propelled module, the travelling car sets up on the lateral shifting track and can follow the lateral shifting track and remove, elevating system and jet-propelled module are fixed on the travelling car, the jet-propelled module includes gas storage mechanism, a controller, control valve and jet-propelled piece, the jet-propelled piece is including the jetting pipe of vertical setting and the jetting branch pipe of many vertical settings, the upper end and the jetting pipe of jetting branch pipe are linked together, gas storage mechanism passes through pipe connection with the jetting pipe, the control valve sets up on the pipe, the controller is with opening and close of control valve signal connection and steerable control valve, elevating system can drive jet-propelled piece vertical movement at least. The utility model discloses reduce jetting pipe and pulse solenoid valve quantity by a wide margin, simplified control, reduced the equipment space to greatly reduced investment cost, improved the reliability of system, reduced the maintenance degree of difficulty and cost of maintenance.
Description
Technical Field
The utility model belongs to the technical field of the flue gas dust removal, concretely relates to portable jetting system and sack cleaner.
Background
At present, in the production fields of coal-fired power generation, metallurgy and the like, most of flue gas dust removal systems adopt bag type dust collectors, dust is collected through bags to remove dust, and when the dust accumulated on the bags reaches a certain amount, the bags need to be blown by compressed air. The jetting system of the bag-type dust collector comprises: the device comprises a meter (PLC control), an air source, an air pipeline, a compressed air tank, electromagnetic pulse valves, injection pipes and the like, wherein one injection pipe is erected above each arrangement bag, each injection pipe is connected with one electromagnetic pulse valve, the electromagnetic pulse valves are connected with the compressed air tank, and the opening and closing actions of each electromagnetic pulse valve are controlled by a PLC meter control module respectively.
The blowing system of the bag-type dust remover of the production process has the following disadvantages:
1. each arrangement bag of a set of dust remover needs to be provided with a fixed injection pipe, each injection pipe needs to be provided with an electromagnetic pulse valve, the number of the injection pipes and the number of the electromagnetic valves are large, the investment cost is huge, a large amount of equipment space is occupied, and the maintenance difficulty is large;
2. when the cloth bag is replaced, the fixed blowing pipe needs to be detached, and the workload is huge.
In summary, it is urgently needed to provide a mobile blowing system and a bag-type dust collector which have scientific and reasonable design, simple structure, convenient use, safety, reliability, simple maintenance and low investment cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a design scientific and reasonable, simple structure, convenient to use, safe and reliable, maintain simple, the investment cost low movable type system of jetting and sack cleaner.
The above purpose is realized by the following technical scheme: a movable injection system comprises a transverse moving track, a moving trolley, a lifting mechanism and an injection module, wherein the moving trolley is arranged on the transverse moving track and can move along the transverse moving track, the lifting mechanism and the injection module are fixed on the moving trolley, the injection module comprises an air storage mechanism, a controller, a control valve and an injection piece, the injection piece comprises an injection pipe and a plurality of injection branch pipes, the injection pipe is longitudinally arranged, the upper ends of the injection branch pipes are communicated with the injection pipe, the air storage mechanism is connected with the injection pipe through a guide pipe, the control valve is arranged on the guide pipe, the controller is in signal connection with the control valve and can control the control valve to open and close, and the lifting mechanism can at least drive the injection piece to vertically move.
In the specific application process, the number and the spacing of the vertically arranged blowing branch pipes are matched with the arrangement position of a cloth bag in the dust collector, the lifting mechanism and the air injection module move above the dust collector along a transversely movable track, meanwhile, the lifting mechanism can drive the air injection piece to lift up and down, in the working process, when the cloth bag needs to be blown, a trolley moves forwards through a controller, the trolley moves to the position above a cloth bag opening to be blown, when the blowing branch pipes are aligned with the cloth bag opening, the trolley stops moving forwards, the lifting mechanism enables the blowing pipes to move downwards, the blowing branch pipe openings penetrate through holes below the sealing covers and move to the cloth bag opening, and a control valve is opened for blowing; after the injection is finished, the lifting mechanism enables the injection pipe to move upwards to the upper position, the trolley continues to move forwards, and the process is repeated to perform the injection work of the next row of cloth bags.
The utility model has the advantages of being scientific and reasonable in design, simple structure, convenient to use, safe and reliable maintain simply, investment cost is low, has replaced fixed jetting system with portable jetting system, has reduced jetting pipe and pulse solenoid valve quantity by a wide margin, has simplified control, has reduced the equipment space to greatly reduced investment cost, improved the reliability of system, reduced the maintenance degree of difficulty and cost of maintenance.
The further technical scheme is that the conduit comprises an elbow and a hose, the elbow and the hose are connected through the control valve, an air inlet of the elbow is connected with an air outlet of the air storage mechanism, and an air inlet of the hose is connected with an air inlet of the blowing pipe. The connecting injection tube and the air bag can be connected by one or more pulse valves and hoses.
The technical scheme is that a vertical guide rail is arranged on the movable trolley, the blowing pipe is connected with the vertical guide rail in a sliding mode, and the lifting mechanism drives the blowing pipe to vertically move along the vertical guide rail.
The technical scheme is that the lifting mechanism comprises a driving motor arranged on the movable trolley and a rack arranged on the blowing pipe, the driving motor is connected with a rotating shaft of a gear through a speed reducer, the gear is meshed with the rack, and the driving motor can drive the gear to vertically move along the rack. The vertical lifting motor, the gear and the rack can be replaced by cylinder transmission or motor screw transmission.
The further technical scheme is that the vertical guide rail comprises a left guide rail and a right guide rail which are arranged on two sides of the movable trolley and a middle guide rail which is arranged in the middle of the movable trolley. In addition, the lifting device can be arranged in the middle or on two sides of the injection pipe and can be controlled by one set of transmission or multiple sets of transmission simultaneously, for example, the middle is a transmission system, two sides of the injection pipe are guided by sliding rails, or one side of the transmission is guided, or two sides of the transmission are simultaneously transmitted and guided.
The further technical scheme is that the transverse moving track comprises a first transverse track and a second transverse track which are arranged in parallel, the moving trolley is provided with a walking wheel, at least one walking wheel is connected with a driving motor through a speed reducer, a rotating shaft of the walking wheel is connected with an output shaft of the speed reducer, and the driving motor can drive the walking wheel to move along the transverse moving track. In the specific implementation process, the first transverse rail and the second transverse rail are respectively arranged on two sides above the bag-type dust collector.
The further technical scheme is that the controller is in signal connection with the driving motor and the driving motor.
The further technical scheme is that the control valve is a pulse electromagnetic valve, and the gas storage mechanism is a gas bag.
In order to achieve the purpose, the invention also provides a bag-type dust collector, which comprises any one of the movable injection systems, wherein the transverse moving track is arranged at the top of a dust collector box body of the bag-type dust collector.
The technical scheme is that the dust collector box body is provided with an air chamber cover plate, a sealing cover is arranged above each filter bag opening of the air chamber cover plate, the sealing covers are hinged to the air chamber cover plate through spring hinges, a plurality of sealing covers in a row are connected into a whole through cranks, the moving trolley is provided with a push rod, and the push rod can push the cranks to turn over and open the sealing covers. Before the injection tube is translated to the upper part of the sealing cover, the sealing cover is kept in a closed state under the action of the spring hinge, when the injection tube is translated to the upper part of the sealing cover, the trolley is moved, the push rod fixed on the trolley pushes the crank on the sealing cover to open the sealing cover for injection, after the injection of one row of filter bags is completed, the trolley moves forwards, the push rod slides away from the crank, and the sealing cover is closed.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
Fig. 1 is a schematic view of a partial structure of a bag-type dust collector according to an embodiment of the present invention (a schematic view of a use state of a mobile blowing system);
FIG. 2 is a front view of a bag-type dust collector according to an embodiment of the present invention;
fig. 3 is a schematic enlarged view of a part of the front side of a bag-type dust collector according to an embodiment of the present invention;
FIG. 4 is a schematic side view of a bag-type dust collector according to an embodiment of the present invention;
fig. 5 is a partial schematic view of a blowing process of the bag-type dust collector according to an embodiment of the present invention; fig. 6 is a partial schematic view of an air chamber cover plate of a bag-type dust collector according to an embodiment of the present invention.
In the figure:
1 dust remover box 2 travelling car 3 lateral shifting track 4 controller
5 air storage mechanism 6 elbow 7 control valve 8 hose
9 sack 10 jetting pipe 11 jetting branch pipe 12 left guide rail
13 right guide rail 14 driving motor 15 sealing cover 16 crank
17 middle guide rail 18 rack 19 driving motor 20 push rod
21 spring hinge
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
The embodiment of the utility model provides a following, refer to fig. 1-4, a portable jetting system, including lateral shifting track 3, travelling car 2, elevating system and jet-propelled module, travelling car 2 sets up on lateral shifting track 3 and can follow lateral shifting track 3 removes, elevating system and jet-propelled module are fixed on travelling car 2, the jet-propelled module includes gas storage mechanism 5, controller 4, control valve 7 and jet-propelled spare, the jet-propelled spare includes the jetting pipe 10 of vertical setting and many jetting branch pipes 11 of vertical setting, the upper end of jetting branch pipe 11 is linked together with jetting pipe 10, gas storage mechanism 5 with jetting pipe 10 passes through pipe connection, control valve 7 sets up on the pipe, controller 4 with control valve 7 signal connection and steerable the start and close of control valve 7, the lifting mechanism can at least drive the air injection piece to vertically move.
In the specific application process, as shown in fig. 1-6, the number and the spacing of the vertically arranged blowing branch pipes 11 are matched with the arrangement position of a cloth bag 9 in a dust collector, the lifting mechanism and the air injection module move above the dust collector along the transversely movable track 3, meanwhile, the lifting mechanism can drive the air injection piece to lift up and down, in the working process, when the cloth bag 9 needs to be blown, a trolley moves forwards through the controller 4, the trolley moves to the position above a mouth 9 of the cloth bag to be blown, when the blowing branch pipes 11 are aligned with the mouth 9 of the cloth bag, the trolley stops moving forwards, the lifting mechanism enables the air injection pipe 10 to move downwards, the mouths of the blowing branch pipes 11 penetrate through holes below the sealing cover 15, the blowing branch pipes move to the mouth 9 of the cloth bag; after the injection is finished, the lifting mechanism enables the injection pipe 10 to move upwards to the upper position, the trolley continues to move forwards, and the process is repeated to perform the injection work of the next row of cloth bags 9.
The utility model has the advantages of being scientific and reasonable in design, simple structure, convenient to use, safe and reliable maintain simply, investment cost is low, has replaced fixed jetting system with portable jetting system, has reduced jetting pipe 10 and pulse solenoid valve quantity by a wide margin, has simplified control, has reduced the equipment space to greatly reduced investment cost, improved the reliability of system, reduced the maintenance degree of difficulty and cost of maintenance.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 3, the conduit includes an elbow 6 and a hose 8, the elbow 6 and the hose 8 are connected through the control valve 7, the air inlet of the elbow 6 is connected to the air outlet of the air storage mechanism 5, and the air inlet of the hose 8 is connected to the air inlet of the blowing pipe 10. The connection blowing pipe 10 and the air bag may be connected by one or more impulse valves and hoses 8.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 4, the moving trolley 2 is provided with a vertical guide rail, the blowing pipe 10 is slidably connected to the vertical guide rail, and the lifting mechanism drives the blowing pipe 10 to move vertically along the vertical guide rail.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to 4, the lifting mechanism includes a driving motor 14 disposed on the moving trolley 2 and a rack 18 disposed on the blowing pipe 10, the driving motor 14 is connected to a rotating shaft of a gear through a speed reducer, the gear is engaged with the rack 18, and the driving motor 14 can drive the gear to move vertically along the rack 18. The vertical lifting motor and gear and rack 18 transmission can be replaced by air cylinder transmission or motor screw transmission.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the vertical guide rail includes a left guide rail 12 and a right guide rail 13 disposed on both sides of the moving trolley 2, and a middle guide rail 17 disposed in the middle of the moving trolley 2. In addition, the lifting device can be arranged in the middle or at two sides of the injection pipe 10, and can be used for one set of transmission or multiple sets of transmission simultaneous control, for example, the middle is a transmission system, two sides of the sliding rail guide, or one side of the transmission and one side of the guide, or two sides of the transmission and the guide simultaneously.
On the basis of the embodiment, in the utility model discloses in another embodiment, as fig. 1 ~ 3, lateral shifting track 3 is including the first lateral shifting track and the second lateral shifting track that set up side by side, travelling car 2 is equipped with the walking wheel, and at least one walking wheel passes through the speed reducer with driving motor 19 and links to each other, the pivot of walking wheel with the output shaft of speed reducer links to each other, driving motor 19 can drive the walking wheel and remove along lateral shifting track 3. In the specific implementation process, the first transverse rail and the second transverse rail are respectively arranged on two sides above the bag 9 dust collector.
On the basis of the above embodiment, in another embodiment of the present invention, the controller 4 is in signal connection with the driving motor 19 and the driving motor 14.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the control valve 7 is a pulse solenoid valve, and the gas storage mechanism 5 is a gas bag.
The invention also provides a bag-type dust collector, which comprises any one of the mobile blowing systems shown in the figure 1, wherein the transverse moving track 3 is arranged at the top of a dust collector box body 1 of the bag-type dust collector.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, fig. 5 and fig. 6, the dust collector case 1 is provided with an air chamber cover plate, a sealing cover 15 is provided above each filter bag opening of the air chamber cover plate, the sealing cover 15 is hinged on the air chamber cover plate through a spring hinge 21, a plurality of sealing covers 15 in a row are connected into a whole through a crank 16, the moving trolley 2 is provided with a push rod 20, and the push rod 20 can push the crank 16 to turn over and open the sealing cover 15. Before the injection tube 10 translates to the position above the sealing cover 15, the sealing cover 15 is kept in a closed state under the action of the spring hinge 21, when the injection tube 10 translates to the position above the sealing cover 15, the trolley 2 is moved, the push rod 20 fixed on the trolley pushes the crank 16 on the sealing cover 15, the sealing cover 15 is opened for injection, after the injection of a row of filter bags is completed, the trolley moves forwards, the push rod 20 slides away from the crank 16, and the sealing cover 15 is closed.
The utility model relates to a concrete implementation condition, when work began, jetting pipe 10 was located the upper position of vertical guide rail, and sealed lid 15 is in the closed condition under the effect of spring hinge 21. The movable trolley 2 moves forwards through the controller 4, a push rod 20 fixed on the movable trolley 2 pushes a crank 16 on a sealing cover 15 to open the sealing cover 15, the movable trolley 2 moves to the position above a bag 9 to be blown, when a blowing branch pipe 11 is aligned to the bag 9, the movable trolley 2 stops moving forwards, a driving motor 14 and a gear are controlled to drive a rack 18 to move so that a blowing pipe 10 moves downwards, the opening of the blowing branch pipe 11 penetrates through a hole below the sealing cover 15 and moves to the bag 9, and a pulse electromagnetic valve is opened to blow. After the blowing is finished, the driving motor 14 and the gear are controlled to drive the rack 18 to move so that the blowing pipe 10 moves upwards to the upper position, the movable trolley 2 continues to advance, after the trolley advances for a short distance, the push rod 20 slides away from the crank 16, the sealing cover 15 is closed under the action of the spring hinge 21, the movable trolley 2 continues to advance, and the process is repeated to perform the blowing work of the next row of cloth bags 9.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A movable injection system is characterized by comprising a transverse moving track, a moving trolley, a lifting mechanism and an injection module, wherein the moving trolley is arranged on the transverse moving track and can move along the transverse moving track, the lifting mechanism and the injection module are fixed on the moving trolley, the injection module comprises an air storage mechanism, a controller, a control valve and an injection part, the injection part comprises an injection pipe and a plurality of injection branch pipes, the injection pipe is longitudinally arranged, the upper ends of the injection branch pipes are communicated with the injection pipe, the air storage mechanism is connected with the injection pipe through a guide pipe, the control valve is arranged on the guide pipe, the controller is in signal connection with the control valve and can control the control valve to open and close, and the lifting mechanism can at least drive the injection part to vertically move.
2. The mobile blowing system of claim 1, wherein the conduit comprises an elbow and a hose, the elbow and the hose are connected through the control valve, an air inlet of the elbow is connected to an air outlet of the air storage mechanism, and an air inlet of the hose is connected to an air inlet of the blowing tube.
3. The mobile blowing system of claim 2, wherein the moving trolley is provided with vertical guide rails, the blowing tube is slidably connected with the vertical guide rails, and the lifting mechanism drives the blowing tube to move vertically along the vertical guide rails.
4. The mobile blowing system of claim 3, wherein the lifting mechanism comprises a driving motor disposed on the moving trolley and a rack disposed on the blowing tube, the driving motor is connected to a rotating shaft of a gear through a speed reducer, the gear is engaged with the rack, and the driving motor can drive the gear to move vertically along the rack.
5. The mobile blowing system of claim 4, wherein the vertical rails include a left rail, a right rail disposed on both sides of the moving cart, and a middle rail disposed in a middle portion of the moving cart.
6. The mobile blowing system of any one of claims 1 to 5, wherein the transverse moving track comprises a first transverse track and a second transverse track which are arranged side by side, the moving trolley is provided with traveling wheels, at least one traveling wheel is connected with a driving motor through a speed reducer, a rotating shaft of the traveling wheel is connected with an output shaft of the speed reducer, and the driving motor can drive the traveling wheel to move along the transverse moving track.
7. The mobile blowing system of claim 6, wherein the controller is in signal communication with the drive motor and the drive motor.
8. The mobile blowing system of claim 6, wherein the control valve is a pulse solenoid valve and the gas storage mechanism is a gas bag.
9. A bag-type dust collector is characterized by comprising the mobile blowing system as claimed in any one of claims 1 to 8, wherein the transverse moving track is arranged at the top of a dust collector box body of the bag-type dust collector.
10. The bag-type dust collector of claim 9, wherein the dust collector box body is provided with an air chamber cover plate, a sealing cover is arranged above each filter bag opening of the air chamber cover plate, the sealing covers are hinged on the air chamber cover plate through spring hinges, a row of a plurality of sealing covers are connected into a whole through a crank, the moving trolley is provided with a push rod, and the push rod can push the crank to turn over and open the sealing covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020364637.XU CN212141816U (en) | 2020-03-21 | 2020-03-21 | Movable blowing system and bag-type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020364637.XU CN212141816U (en) | 2020-03-21 | 2020-03-21 | Movable blowing system and bag-type dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212141816U true CN212141816U (en) | 2020-12-15 |
Family
ID=73716955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020364637.XU Active CN212141816U (en) | 2020-03-21 | 2020-03-21 | Movable blowing system and bag-type dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212141816U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019020A (en) * | 2021-03-08 | 2021-06-25 | 浙江安防职业技术学院 | Lifting type pulse dust removal experiment gas bag |
| CN113230768A (en) * | 2021-06-09 | 2021-08-10 | 中冶节能环保有限责任公司 | Overhauling system and method of bag type dust collector |
| CN114712950A (en) * | 2021-01-05 | 2022-07-08 | 福建龙净脱硫脱硝工程有限公司 | Bag-type dust collector |
-
2020
- 2020-03-21 CN CN202020364637.XU patent/CN212141816U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712950A (en) * | 2021-01-05 | 2022-07-08 | 福建龙净脱硫脱硝工程有限公司 | Bag-type dust collector |
| CN113019020A (en) * | 2021-03-08 | 2021-06-25 | 浙江安防职业技术学院 | Lifting type pulse dust removal experiment gas bag |
| CN113230768A (en) * | 2021-06-09 | 2021-08-10 | 中冶节能环保有限责任公司 | Overhauling system and method of bag type dust collector |
| CN113230768B (en) * | 2021-06-09 | 2024-09-06 | 中冶节能环保有限责任公司 | Maintenance system and maintenance method for bag type dust collector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212141816U (en) | Movable blowing system and bag-type dust collector | |
| CN202779088U (en) | Cleaning machine for oil tank truck | |
| CN103318439B (en) | Device and method for packaging infusion tube coiled tube | |
| CN102553869B (en) | Method and equipment for cleaning inner walls of railway tank cars | |
| CN201329362Y (en) | Moving top-draft soot collector travelling on vertical railway | |
| CN103008274A (en) | Cylinder part cleaning machine | |
| CN103991663B (en) | Fully enclosed automatic garbage machine motor-car | |
| CN202461068U (en) | Inner wall cleaning equipment for railway tank vehicle | |
| CN110152407B (en) | Blowing system of bag-type dust collector and application thereof | |
| CN102862825A (en) | Rail-type electro-hydraulic conveying device | |
| CN117753749A (en) | Movable dust removing device for repairing steel ladle | |
| CN106836913A (en) | A kind of interval-automatic cleaner for new-energy automobile multi-storied garage | |
| CN202984157U (en) | Oil cylinder part washer | |
| CN212141827U (en) | Jetting device of bag type dust collector | |
| CN201384895Y (en) | On-line soot cleaning device of bag type dust remover | |
| CN112431187A (en) | Foundation successive layer tamping device for 5G signal tower construction | |
| CN220656796U (en) | Partition blowing device of bag-type dust collector | |
| CN112577790A (en) | Flue gas pollution collection system | |
| CN212703606U (en) | Electroless dredging control system under special environment | |
| CN209795429U (en) | Orbital convection type intelligence of unilateral sweeps system | |
| CN218361215U (en) | Multi-direction movement casting dust removal equipment | |
| CN209667481U (en) | A kind of carton gripping body of packaging facilities | |
| CN205972586U (en) | Electricelectric moves compression garbage compression device for garbage truck | |
| CN217451412U (en) | Multi-station movable smoke dust collecting device | |
| CN219966835U (en) | Double-station welding robot dust removal equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |