CN220432870U - Flow control distributing device of vibrating screen under blast furnace tank - Google Patents
Flow control distributing device of vibrating screen under blast furnace tank Download PDFInfo
- Publication number
- CN220432870U CN220432870U CN202321949245.XU CN202321949245U CN220432870U CN 220432870 U CN220432870 U CN 220432870U CN 202321949245 U CN202321949245 U CN 202321949245U CN 220432870 U CN220432870 U CN 220432870U
- Authority
- CN
- China
- Prior art keywords
- flow control
- plate
- blast furnace
- sliding
- vibrating screen
- 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
- 238000007599 discharging Methods 0.000 claims abstract description 28
- 239000011241 protective layer Substances 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims 1
- 230000003827 upregulation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 239000000446 fuel Substances 0.000 description 35
- 238000003860 storage Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to a vibrating screen flow control distributing device under a blast furnace tank, which relates to the technical field of vibrating screen feeding and comprises a mounting plate, wherein a group of discharging plates are fixedly arranged on the bottom of the mounting plate, connecting plates are arranged on opposite surfaces of the discharging plates together, opposite surfaces of the back surfaces of the connecting plates and the discharging plates are mutually attached, the top of the connecting plates are attached to the bottom of the mounting plate, the bottom of the connecting plates is flush with the bottom of the discharging plates, a discharging opening is formed in the discharging plates, the discharging opening penetrates through the bottom of the discharging plates, a flow control plate is arranged on the discharging plates and is used for shielding the discharging opening, an adjusting component is arranged on the flow control plate together, and the adjusting component is used for adjusting the position of the flow control plate. The application has the operation process of simplifying the size of the discharge hole, and is convenient for controlling the effect of the feeding material flow of the vibrating screen.
Description
Technical Field
The utility model relates to the technical field of vibrating screen feeding, in particular to a flow control distributing device of a vibrating screen under a blast furnace tank.
Background
The blast furnace ironmaking raw materials are various in types and large in demand, and raw fuel of the blast furnace is required to be screened by a vibrating screen under a blast furnace tank before entering the blast furnace so as to reduce powder entering the furnace.
The Chinese patent with the authorized bulletin number of CN212791741U in the related art provides a screening system under a blast furnace tank, which comprises a storage bin, wherein a discharge port is arranged on the storage bin, a storage bin valve is arranged on the discharge port, a vibrating screen is arranged below the storage bin, the vibrating screen is obliquely arranged, and one end of the vibrating screen, which is positioned at a high position, is connected with the discharge port. The raw fuel of the blast furnace falls on a vibrating screen through a discharge hole of a feed bin, and the vibrating screen drives the raw fuel of the blast furnace to vibrate so as to screen the raw fuel of the blast furnace.
In carrying out the present application, the inventors have found that at least the following problems exist in this technology: in the blast furnace production process, the consumption of the raw fuel of the blast furnace needs to be adjusted, and the raw fuel of the blast furnace falls on the vibrating screen through the discharge hole, so the blast furnace production is met by adjusting the size of the discharge hole, but the current mode of adjusting the size of the discharge hole is that a worker performs cutting or repair welding operation on the raw discharge hole, so that the operation process of adjusting the size of the discharge hole is complicated.
Disclosure of Invention
In order to simplify the operation process of adjusting the size of a discharge hole, the feeding material flow of the vibrating screen is conveniently controlled, and the vibrating screen flow control distributing device under the blast furnace trough is provided.
The application provides a blast furnace under-groove vibrating screen accuse flows distributing device adopts following technical scheme:
the utility model provides a vibrating screen accuse flows distributing device under blast furnace groove, includes the mounting panel, fixed a set of flitch that sets up on the mounting panel bottom, set up the connecting plate jointly on the flitch opposite face, the connecting plate is laminated mutually with the flitch opposite face mutually, the connecting plate top is laminated mutually with the mounting panel bottom, the connecting plate bottom flushes mutually with the flitch bottom, set up the feed opening on the flitch, the feed opening runs through the flitch bottom, set up the accuse flow board on the flitch, the accuse flow board is used for sheltering from the feed opening, set up adjusting part jointly on the accuse flow board, adjusting part is used for adjusting accuse flow board position.
Through adopting above-mentioned technical scheme, install the mounting panel on the feed bin, make the flitch cover on the discharge gate of feed bin, the blast furnace raw fuel passes the feed opening whereabouts on the shale shaker by the discharge gate of feed bin, when the use amount of the blast furnace raw fuel of needs adjustment, through the position of adjusting the flow control board of adjusting the subassembly, and then adopt the mode that the flow control board sheltered from the feed opening to adjust the size that the feed opening was exposed, reduce the workman and cut out or weld the condition of complement operation to the discharge gate, simplify the operation process of adjustment discharge gate size, reach the effect of being convenient for control shale shaker material flow on.
Preferably, the adjusting component comprises a sliding rod and a group of sliding blocks, the sliding rod is rotatably arranged on the mounting plate, a sliding hole is formed in the sliding rod in a penetrating mode, the sliding rod penetrates through the sliding hole, the sliding blocks are sleeved on the sliding rod, one sliding block is fixedly connected with the top of one flow control plate, and the other sliding block is fixedly connected with the top of the other flow control plate.
Through adopting above-mentioned technical scheme, the slider on the accuse flow board removes along the slide bar, and then makes accuse flow board along mounting panel slip, reaches the effect of adjusting accuse flow board position.
Preferably, the mounting plates are fixedly provided with mounting seats on the end walls, mounting grooves are formed in the opposite surfaces of the mounting seats, one end of each sliding rod is inserted into one of the mounting grooves, the other end of each sliding rod is inserted into the other mounting groove, and the side walls of the sliding rods are rotatably connected with the inner walls of the mounting grooves.
Through adopting above-mentioned technical scheme, install respectively at the mounting groove at slide bar both ends, and then make the slide bar rotate and connect on the mounting panel.
Preferably, the sliding block is provided with a plurality of tight propping grooves, the tight propping grooves are mutually communicated with the sliding holes, tight propping bolts are arranged in the tight propping grooves, and the tight propping bolts are in threaded connection with the tight propping grooves.
Through adopting above-mentioned technical scheme, when adjusting accuse flow board position, rotate and support tight bolt and make support tight bolt and slide bar not hard up, then slide accuse flow board, when accuse flow board slides suitable position, rotate and support tight bolt and make to support tight bolt and support the slide bar tightly, and then fix slider and slide bar.
Preferably, protective layers are arranged on the mounting plate, the discharging plate, the connecting plate, the flow control plate, the sliding rod and the sliding block.
Through adopting above-mentioned technical scheme, the protective layer covers on mounting panel, flitch, connecting plate, accuse flow board, slide bar and slider surface, reduces the erosion of blast furnace raw fuel to mounting panel, flitch, connecting plate, accuse flow board, slide bar and slider.
Preferably, a connecting rod is arranged on the side wall, close to the bottom end, of the connecting plate, one end, close to the connecting plate, of the connecting rod is rotationally connected with the connecting plate, and a guide block is rotationally arranged on one end, far away from the connecting plate, of the connecting rod.
Through adopting above-mentioned technical scheme, be located the guide block on the shale shaker, and the guide block is close to mounting panel one end and shale shaker and is close to shale shaker one end and flush, when the raw blast furnace fuel passes the feed opening inflow shale shaker, the raw blast furnace fuel shunts through the guide block, when the raw blast furnace fuel on the shale shaker distributes unevenly, rotates the guide block, and then makes most raw blast furnace fuel flow to the position that the raw blast furnace fuel distributes less on the shale shaker, makes the raw blast furnace fuel on the shale shaker distribute evenly.
Preferably, the guide blocks are symmetrically provided with guide surfaces.
By adopting the technical scheme, when the blast furnace raw fuel is split by the guide blocks, one part of the blast furnace raw fuel moves along one guide surface, and the other part of the blast furnace raw fuel moves along the other guide surface.
Preferably, the outer walls of the guide block and the connecting rod are provided with protective layers.
By adopting the technical scheme, the protective layer covers the surfaces of the guide blocks and the connecting rod, so that the corrosion of blast furnace raw fuel to the guide blocks and the connecting rod is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the mounting plate, the discharging plate, the connecting plate, the discharging opening, the flow control plate and the adjusting component, the operation process of adjusting the size of the discharging opening is simplified, and the effect of conveniently controlling the feeding material flow of the vibrating screen is achieved;
2. the effect of adjusting the position of the flow control plate is achieved by arranging the sliding rod, the sliding block and the sliding hole;
3. through setting up tight bolt and tight groove of support, reach the effect fixed with slider and slide bar.
Drawings
Fig. 1 is a schematic structural view of a blast furnace under-trough vibrating screen flow control distributing device in an embodiment of the application.
FIG. 2 is a cross-sectional view showing the connection of a mount to a slide bar in an embodiment of the present application.
Fig. 3 is a schematic diagram showing a positional relationship between a discharge plate and a flow control plate in an embodiment of the present application.
Fig. 4 is a cross-sectional view showing the connection relationship of the guide block and the connection plate in the embodiment of the present application.
Fig. 5 is a schematic diagram showing the positional relationship between a guide block and a vibrating screen in an embodiment of the present application.
Reference numerals illustrate: 1. a mounting plate; 2. a discharge plate; 21. a feed opening; 3. a connecting plate; 31. a connecting rod; 32. a guide block; 321. a guide surface; 4. a flow control plate; 5. an adjustment assembly; 51. a slide bar; 511. a mounting base; 512. a mounting groove; 52. a slide block; 521. a slide hole; 6. abutting the bolt; 61. a tightening groove; 7. a protective layer; 71. a protective layer; 8. a storage bin; 9. and (5) vibrating the screen.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a vibrating screen flow control distributing device under a blast furnace tank. Referring to fig. 1 and 5, the device comprises a mounting plate 1, wherein a group of discharging plates 2 are welded on the bottom of the mounting plate 1, and the back surfaces of the discharging plates 2 are flush with the end wall of the mounting plate 1. The connecting plate 3 is installed jointly on the opposite surfaces of the discharging plate 2, the opposite surfaces of the back surface and the discharging plate 2 are mutually attached, the opposite surfaces of the back surface and the discharging plate 2 are mutually welded, the top of the connecting plate 3 is attached to the bottom of the mounting plate 1, the top of the connecting plate 3 is mutually welded with the bottom of the mounting plate 1, and the bottom of the connecting plate 3 is flush with the bottom of the discharging plate 2. The discharging plate 2 is provided with a discharging opening 21, and the discharging opening 21 penetrates through the bottom of the discharging plate 2. The discharge plate 2 is provided with a flow control plate 4, and the flow control plate 4 is used for shielding the feed opening 21. The flow control plate 4 is provided with an adjusting component 5, and the adjusting component 5 is used for adjusting the position of the flow control plate 4. The mounting plate 1 is arranged on the feed bin 8, the discharge plate 2 is covered on a discharge hole of the feed bin 8, and blast furnace raw fuel falls on the vibrating screen 9 from the discharge hole of the feed bin 8 through the discharge hole 21. When the using amount of the raw fuel of the blast furnace needs to be adjusted, the position of the flow control plate 4 is adjusted through the adjusting component 5, and then the exposed size of the feed opening 21 is adjusted in a mode that the feed opening 21 is shielded by the flow control plate 4. The condition that the worker cuts off or welds the repair operation to the discharge gate is reduced, the operation process of adjusting the discharge gate size is simplified, reaches the effect of being convenient for control shale shaker 9 material loading material flow.
In order to achieve the effect of adjusting the position of the flow control plate 4, referring to fig. 1 and 2, the adjusting assembly 5 includes a slide rod 51, a slide hole 521 is formed in the slide block 52 in a penetrating manner, and the cross section of the slide block 52 is rectangular. The end walls of the mounting plates 1 are welded with mounting seats 511, and mounting grooves 512 are formed in opposite faces of the mounting seats 511. One end of the sliding rod 51 is inserted into one of the mounting grooves 512, the other end of the sliding rod 51 is inserted into the other mounting groove 512, and the side wall of the sliding rod 51 is rotatably connected with the inner wall of the mounting groove 512. The adjusting assembly 5 further comprises a group of sliding blocks 52, sliding holes 521 are formed in the sliding blocks 52 in a penetrating mode, and the cross sections of the sliding holes 521 are rectangular. The slide rod 51 penetrates through the slide hole 521 to enable the slide block 52 to be sleeved on the slide rod 51, and the inner wall of the slide hole 521 is mutually attached to the outer wall of the slide rod 51. The slider 52 is provided with a plurality of abutting grooves 61, and the abutting grooves 61 are communicated with the slide hole 521. The tightening groove 61 is provided with a tightening bolt 6, and the tightening bolt 6 is screwed with the tightening groove 61. One of the sliding blocks 52 is welded with the top of one of the flow control plates 4, and the other sliding block 52 is welded with the top of the other flow control plate 4. When the position of the flow control plate 4 is adjusted, the abutting bolt 6 is rotated to loosen the abutting bolt 6 and the sliding rod 51, then the flow control plate 4 is slipped, and the sliding block 52 on the flow control plate 4 moves along the sliding rod 51, so that the flow control plate 4 slides along the mounting plate 1. When the flow control plate 4 slides to a proper position, the abutting bolt 6 is rotated to enable the abutting bolt 6 to abut against the sliding rod 51, and then the sliding block 52 and the sliding rod 51 are fixed.
In order to reduce the erosion of the blast furnace raw fuel to the device, referring to fig. 2 and 4, a protective layer 7 is coated on the mounting plate 1, the discharging plate 2, the connecting plate 3, the flow control plate 4, the sliding rod 51 and the sliding block 52, and the protective layer 7 is made of wear-resistant ceramic materials. The protection layer 7 covers the surfaces of the mounting plate 1, the discharging plate 2, the connecting plate 3, the flow control plate 4, the sliding rod 51 and the sliding block 52, so that corrosion of blast furnace raw fuel to the mounting plate 1, the discharging plate 2, the connecting plate 3, the flow control plate 4, the sliding rod 51 and the sliding block 52 is reduced.
In order to uniformly distribute the raw fuel of the blast furnace on the vibrating screen 9, referring to fig. 1 to 5, a connecting rod 31 is installed on a side wall of the connecting plate 3 near the bottom end, and one end of the connecting rod 31 near the connecting plate 3 is hinged with the connecting plate 3. The connecting rod 31 is hinged with a guide block 32 at one end far away from the connecting plate 3, the guide block 32 is symmetrically provided with guide surfaces 321, and a group of guide surfaces 321 form an splayed shape after being transversely crossed. The guide block 32 is positioned on the vibrating screen 9, and one end of the guide block 32 close to the mounting plate 1 is flush with one end of the vibrating screen 9 close to the vibrating screen 9. When the raw blast furnace fuel flows into the vibrating screen 9 through the feed opening 21, the raw blast furnace fuel is split by the guide block 32, and a part of the raw blast furnace fuel moves along one of the guide surfaces 321 and another part moves along the other guide surface 321. When the blast furnace raw fuel on the vibrating screen 9 is unevenly distributed, the guide block 32 is rotated, so that most of the blast furnace raw fuel flows to the position with less blast furnace raw fuel distribution on the vibrating screen 9, and the blast furnace raw fuel on the vibrating screen 9 is evenly distributed.
In order to reduce the erosion of the blast furnace raw fuel to the device, referring to fig. 4, the outer walls of the guide block 32 and the connecting rod 31 are coated with a protective layer 71, and the protective layer 71 is made of wear-resistant ceramic material. The protective layer 71 covers the surfaces of the guide blocks 32 and the connecting rod 31, so that corrosion of the guide blocks 32 and the connecting rod 31 by blast furnace raw fuel is reduced.
The implementation principle of the vibrating screen flow control distributing device under the blast furnace groove is as follows: the mounting plate 1 is arranged on the feed bin 8, the discharge plate 2 is covered on a discharge hole of the feed bin 8, and blast furnace raw fuel falls on the vibrating screen 9 from the discharge hole of the feed bin 8 through the discharge hole 21. When the using amount of the blast furnace raw fuel needs to be adjusted, the abutting bolt 6 is rotated to loosen the abutting bolt 6 and the sliding rod 51, then the flow control plate 4 is slipped, the sliding block 52 on the flow control plate 4 moves along the sliding rod 51, and the flow control plate 4 slides along the mounting plate 1. When the flow control plate 4 slides to a proper position, the abutting bolt 6 is rotated to enable the abutting bolt 6 to abut against the sliding rod 51, and then the sliding block 52 and the sliding rod 51 are fixed. And then adopts the mode that the flow control plate 4 sheltered from feed opening 21 to adjust the size that feed opening 21 exposes, reduces the workman and cuts out or weld the condition of mending the operation to the discharge gate, simplifies the operation process of adjustment discharge gate size, reaches the effect of being convenient for control shale shaker 9 material loading stream.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a vibrating screen accuse flows distributing device under blast furnace groove, includes mounting panel (1), its characterized in that: the utility model discloses a discharge plate (2) of fixed setting on mounting panel (1) bottom, set up connecting plate (3) jointly on discharge plate (2) opposite face, connecting plate (3) are mutually laminated with discharge plate (2) opposite face, connecting plate (3) top is laminated with mounting panel (1) bottom mutually, connecting plate (3) bottom flushes with discharge plate (2) bottom mutually, offer feed opening (21) on discharge plate (2), feed opening (21) run through discharge plate (2) bottom, set up accuse flow board (4) on discharge plate (2), accuse flow board (4) are used for sheltering from feed opening (21), set up regulation subassembly (5) jointly on accuse flow board (4), regulation subassembly (5) are used for adjusting accuse flow board (4) position.
2. The blast furnace under-trough vibrating screen flow control distributing device according to claim 1, wherein: the adjusting assembly (5) comprises a sliding rod (51) and a group of sliding blocks (52), the sliding rod (51) is rotatably arranged on the mounting plate (1), sliding holes (521) are formed in the sliding blocks (52) in a penetrating mode, the sliding rods (51) penetrate through the sliding holes (521), the sliding blocks (52) are sleeved on the sliding rods (51), one sliding block (52) is fixedly connected with the top of one flow control plate (4), and the other sliding block (52) is fixedly connected with the top of the other flow control plate (4).
3. The blast furnace under-trough vibrating screen flow control distributing device according to claim 2, wherein: the mounting plate is characterized in that mounting seats (511) are fixedly arranged on the end walls of the mounting plates (1), mounting grooves (512) are formed in the opposite surfaces of the mounting seats (511), one end of each sliding rod (51) is inserted into one mounting groove (512), the other end of each sliding rod (51) is inserted into the other mounting groove (512), and the side walls of the sliding rods (51) are rotatably connected with the inner walls of the mounting grooves (512).
4. The blast furnace under-trough vibrating screen flow control distributing device according to claim 2, wherein: the sliding block (52) is provided with a tight supporting groove (61), the tight supporting groove (61) is communicated with the sliding hole (521), a tight supporting bolt (6) is arranged in the tight supporting groove (61), and the tight supporting bolt (6) is in threaded connection with the tight supporting groove (61).
5. The blast furnace under-trough vibrating screen flow control distributing device according to claim 2, wherein: protective layers (7) are arranged on the mounting plate (1), the discharging plate (2), the connecting plate (3), the flow control plate (4), the sliding rod (51) and the sliding block (52).
6. The blast furnace under-trough vibrating screen flow control distributing device according to claim 1, wherein: connecting rod (31) are arranged on the side wall, close to the bottom end, of the connecting rod (3), one end, close to the connecting rod (3), of the connecting rod (31) is rotationally connected with the connecting rod (3), and a guide block (32) is rotationally arranged on one end, away from the connecting rod (3), of the connecting rod (31).
7. The blast furnace under-trough vibrating screen flow control distributing device according to claim 6, wherein: guide surfaces (321) are symmetrically arranged on the guide blocks (32).
8. The blast furnace under-trough vibrating screen flow control distributing device according to claim 7, wherein: and protective layers (71) are arranged on the outer walls of the guide blocks (32) and the connecting rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321949245.XU CN220432870U (en) | 2023-07-24 | 2023-07-24 | Flow control distributing device of vibrating screen under blast furnace tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321949245.XU CN220432870U (en) | 2023-07-24 | 2023-07-24 | Flow control distributing device of vibrating screen under blast furnace tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220432870U true CN220432870U (en) | 2024-02-02 |
Family
ID=89685902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321949245.XU Active CN220432870U (en) | 2023-07-24 | 2023-07-24 | Flow control distributing device of vibrating screen under blast furnace tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220432870U (en) |
-
2023
- 2023-07-24 CN CN202321949245.XU patent/CN220432870U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220432870U (en) | Flow control distributing device of vibrating screen under blast furnace tank | |
| CN211678663U (en) | Roller sand screening machine | |
| CN218925255U (en) | Feeding device and conveying system | |
| US8234997B2 (en) | Crumb breading distribution system | |
| KR20010112581A (en) | Sinter make apparatus the litilization fines and return ore | |
| CN215709122U (en) | Material distributing device for screening machine | |
| CN102700930A (en) | Large-width multi-layer type distributing machine | |
| KR19990007484U (en) | Sintered Compound Raw Material Loading Device | |
| CN212943997U (en) | Refractory material vibration screening device | |
| CN210057953U (en) | Feed mixing device | |
| CN114832937A (en) | Coal dressing jigging machine with easily adjust numerical control bellows | |
| CN216937053U (en) | Dress vibrating screen glassware | |
| CN110622885A (en) | Material homogenizing device | |
| CN110106498B (en) | Stepless regulation powder feeding head for laser cladding | |
| CN221147200U (en) | Adjustable gate device of mixing bin of sintering machine | |
| CN211726538U (en) | Revolving screen feeding device | |
| CN218809113U (en) | Dry sand distributor for vibrating screen | |
| CN211246940U (en) | Compensation uniform distributing device and magnetic separator thereof | |
| KR200254181Y1 (en) | Variable ventilation bar at sintering machine | |
| CN214554381U (en) | Jigging machine is used in blue charcoal production | |
| KR20040026749A (en) | An apparatus for controlling the ventilation of stacked raw materials in sintering process | |
| CN209935212U (en) | Vibrating screen distributing device | |
| CN219580631U (en) | Wollastonite powder milling machine | |
| CN219804971U (en) | Multiple sieving mechanism of quartz sand | |
| CN220425854U (en) | Environment-friendly static screening device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |