CN208414186U - Bottom dry type mud drying device - Google Patents
Bottom dry type mud drying device Download PDFInfo
- Publication number
- CN208414186U CN208414186U CN201820406941.9U CN201820406941U CN208414186U CN 208414186 U CN208414186 U CN 208414186U CN 201820406941 U CN201820406941 U CN 201820406941U CN 208414186 U CN208414186 U CN 208414186U
- Authority
- CN
- China
- Prior art keywords
- filter
- drive
- shell
- jamming mechanism
- dry type
- 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
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model relates to sludge drying fields, disclose a kind of bottom dry type mud drying device, including bracket and shell, turning device is equipped in shell, the turning device includes stirring axis and stirring blade, housing bottom offers intercommunicating pore, it further include driving disk, driving motor and anti-jamming mechanism, driving disk is coaxially connected with the output shaft of driving motor, the anti-jamming mechanism is connected with driving disk, it is equipped in the housing cavity and blocks filter positioned at what intercommunicating pore top was used to prevent sludge from falling, the filter that blocks is connected with anti-jamming mechanism, the driving motor blocks filter by anti-jamming mechanism drive and moves reciprocatingly.Driving motor drives anti-jamming mechanism movement by driving disk, anti-jamming mechanism drive blocks filter and moves reciprocatingly, and blocks filter and constantly vibrates under the drive of anti-jamming mechanism and driving motor, prevents sludge blockage in the mesh for blocking filter, or fallen from the mesh for blocking filter, it falls in intercommunicating pore and results in blockage.
Description
Technical field
The utility model relates to sludge drying field, in particular to a kind of bottom dry type mud drying device.
Background technique
With the continuous development of urbanization, generated sewage quantity can gradually increase in industrial production to be treated and life
Add, and as the byproduct after sewage treatment --- the quantum of output of sludge also can be increasing, still, relative to sewage, sludge
Processing seem more difficult.Drying and other treatment is a kind of preferable processing method, and both fermentation can occur to avoid sludge leads to two
Secondary pollution is also beneficial to the recycling to treated sludge.
Currently, the Chinese patent that Authorization Notice No. is CN204779274U discloses a kind of bottom dry type sludge drying dress
It sets, including shell, the first hothouse and secondary drying chamber is formed in shell, and between the first hothouse and secondary drying chamber
Equipped with demarcation plate.The feed inlet and exhaust outlet on the top of the first hothouse are set, and the circumferential wall of the first hothouse is set
On discharge port.Air inlet on the circumferential wall or bottom of secondary drying chamber is set.The communication port being formed on demarcation plate.If
Set in the first dry indoor sludge turning device, sludge turning device include rotation axis and it is fixed on the rotating shaft stir group
Part, the size for stirring component, which is determined, can shear, is crushed and stir sludge at it, and its top end face is to and close to communication port, with
Box lunch stirs top when component and rotation axis rotate and can strike off in communication port or neighbouring sludge.
When in use, turning device is constantly crushed sludge above-mentioned apparatus, and the specific gravity of sludge is larger, in gravity
Under moved to housing bottom always, sludge be easy to blocking communication port.
Utility model content
The purpose of the utility model is to provide a kind of bottom dry type mud drying devices, are not easy to plug with communication port
The advantages of.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of bottom dry type is dirty
Mud desiccation apparatus, including bracket and shell, shell is interior to be equipped with turning device, and the turning device includes stirring axis and stirring leaf
Piece, housing bottom offer intercommunicating pore, further include driving disk, driving motor and anti-jamming mechanism, drive disk and driving motor
Output shaft be coaxially connected, the anti-jamming mechanism with driving disk be connected, in the housing cavity be equipped be located at intercommunicating pore top
For preventing what sludge from falling to block filter, the filter that blocks is connected with anti-jamming mechanism, and the driving motor passes through anti-jamming mechanism band
It is dynamic to block filter and move reciprocatingly.
By using above-mentioned technical proposal, after sludge enters housing cavity, turning device is crushed sludge, dry wind
Enter in shell from intercommunicating pore and sludge is dried up.Housing cavity between turning device and intercommunicating pore be equipped with one layer block every
Net blocks filter and stops to sludge, prevents sludge from dropping into intercommunicating pore and results in blockage to intercommunicating pore, but air is allowed to pass through.
Driving motor drives anti-jamming mechanism movement by driving disk, and anti-jamming mechanism drive blocks filter and moves reciprocatingly, and blocks filter anti-
It is constantly vibrated under the drive of stifled mechanism and driving motor, prevents sludge blockage in the mesh for blocking filter, or from the net for blocking filter
Eye is fallen, and is fallen in intercommunicating pore and is resulted in blockage.
The utility model is further arranged to: the anti-jamming mechanism includes drive block and drive link, the drive link
One end with driving disk bias be hinged and connected, the other end is hinged and connected with drive block, and the side wall of the shell offers level
The limiting slot of setting, the drive block are slidably connected in limiting slot, and the filter that blocks is connected with drive block.
By using above-mentioned technical proposal, disk, drive link and drive block is driven to form disk link mechanism, driving electricity
Machine drives driving disk rotational, and drive link drives drive block to do linear reciprocal movement in limiting slot, blocks filter to drive
Make linear reciprocal movement, structure is simple, easy to control.
The utility model is further arranged to: the inner walls offer the guiding parallel with the drive block direction of motion
Slot, the side wall for blocking filter are fixed with the gib block being slidably connected in guide groove.
By using above-mentioned technical proposal, filter is blocked when doing linear reciprocal movement, gib block follows suit in guide groove
It moves back and forth, guide groove and guide pad are defined and are oriented to the motion path for blocking filter, prevent the motion path for blocking filter
Deviate cause it is stuck.
The utility model is further arranged to: the filter that blocks is detachably connected with gib block.
By using above-mentioned technical proposal, convenient for blocking the disassembly and cleaning of filter.
The utility model is further arranged to: it is described block filter be set as matching with turning device it is arc-shaped.
By using above-mentioned technical proposal, stir axis rotation, stir blade and move in a circle, block filter be set as it is arc-shaped with
It stirs blade to fit, reduction, which is blocked, stirs dead angle on filter.
The utility model is further arranged to: the anti-jamming mechanism includes drive rod, the lower end of drive rod and the side of shell
Wall is hinged and connected, and the upper end of the drive rod offers driver slot, and the edge of the driving disk, which is equipped with, is slidably connected to drive
Driving column in dynamic slot, the driving column rotation drives drive rod to swing, under the end and drive rod for blocking filter
End is fixedly linked.
By using above-mentioned technical proposal, driving motor drives driving disk rotational, and driving disk drives driving column to follow
It moves in a circle, driving column slides in driver slot applies thrust, effect of the drive rod in driver slot and driving column to driver slot
Under centered on drive rod lower end point do left and right reciprocally swinging, block filter and follow suit under the drive of drive rod the reciprocal fortune in left and right
It is dynamic, it is vibrated, prevents clogging.
The utility model is further arranged to: being rotatably connected to driven roller on the driving column.
By using above-mentioned technical proposal, driven roller rotates in driver slot, reduces rubbing between driven roller and driver slot
Power is wiped, abrasion is reduced.
The utility model is further arranged to: be removably connected with cleaning pipe in the intercommunicating pore, the cleaning pipe it is outer
Wall is bonded with the inner wall of intercommunicating pore.
By using above-mentioned technical proposal, cleaning pipe is set in intercommunicating pore, and sludge falls in cleaning pipe and carries out to cleaning pipe
When blocking, cleaning pipe can be removed and be cleaned, is convenient to clean.
The utility model is further arranged to: the lower end of the intercommunicating pore offers the link slot of indent, the cleaning pipe
Lower end be equipped with the connection edge in the link slot, the connection edge is attached between link slot by bolt.
By using above-mentioned technical proposal, cleaning pipe is placed in intercommunicating pore, connection along in the link slot, with bolt into
Row is connected and fixed, and connects edge and link slot is pre-positioned the position of cleaning pipe, be easily installed.
In conclusion the utility model has the following beneficial effects:
1, by blocking the setting of filter and anti-jamming mechanism, anti-jamming mechanism drive blocks filter and moves reciprocatingly, and blocks filter anti-
It is constantly vibrated under the drive of stifled mechanism and driving motor, prevents sludge blockage in the mesh for blocking filter, or from the net for blocking filter
Eye is fallen, and is fallen in intercommunicating pore and is resulted in blockage;
2, by the setting of cleaning pipe, cleaning pipe is set in intercommunicating pore, and sludge can only block cleaning pipe, cleaning pipe be connected to
Hole is detachably connected, easy to disassemble and cleaning.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of embodiment one;
Fig. 2 is the schematic diagram of internal structure of embodiment one;
Fig. 3 is the enlarged diagram in the portion A in Fig. 2;
It is the schematic diagram of internal structure for showing guide groove that Fig. 4, which is in embodiment one,;
Fig. 5 is the structural schematic diagram of embodiment two;
It is the schematic diagram of internal structure for showing anti-jamming mechanism that Fig. 6, which is in embodiment two,;
Fig. 7 is the enlarged diagram in the portion B in Fig. 6.
In figure: 1, bracket;2, shell;21, sewage draining exit;22, guide groove;23, gib block;24, feed inlet;25, exhaust outlet;
31, axis is stirred;32, blade is stirred;4, intercommunicating pore;41, cleaning pipe;42, link slot;43, edge is connected;51, disk is driven;52,
Driving motor;53, drive block;54, drive link;55, drive rod;56, driver slot;57, column is driven;58, driven roller;59, it limits
Position slot;6, filter is blocked.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment one:
A kind of bottom dry type mud drying device is equipped with such as Fig. 1 and Fig. 2, including bracket 1 and shell 2 above shell 2
Feed inlet 24 and exhaust outlet 25, the side of shell 2 are equipped with sewage draining exit 21, are equipped with turning device in shell 2,2 bottom of shell opens up
There is intercommunicating pore 4, turning device includes stirring axis 31 and stirring blade 32.Sludge enters 2 inner cavity of shell from feed inlet 24, stirs dress
It sets and sludge is crushed.Dry air enters in shell 2 from intercommunicating pore 4, dries up to sludge, and from 25 row of exhaust outlet
Out.Sludge after drying is discharged from sewage draining exit 21.
Such as Fig. 2 and Fig. 4,2 inner cavity of shell lower section is equipped between intercommunicating pore 4 and turning device for preventing sludge from falling
Filter 6 is blocked, filter 6 is blocked and sludge is blocked and stopped, but air is allowed to pass through.Blocking filter 6 prevents sludge from falling to connection
It results in blockage in hole 4 to intercommunicating pore 4, dry air can be dried sludge by blocking filter 6.
Such as Fig. 1 and Fig. 2, it is fixed with driving motor 52 on the outside of shell 2, the output shaft of driving motor 52 is connected with coaxial driving
Disk 51.Driving disk 51 is connected with anti-jamming mechanism, and anti-jamming mechanism is connected with filter 6 is blocked.Driving motor 52 passes through anti-jamming mechanism band
It is dynamic to block filter 6 and move reciprocatingly.It blocks filter 6 constantly to vibrate under the drive of anti-jamming mechanism and driving motor 52, prevents sludge stifled
Plug is fallen in the mesh for blocking filter 6, or from the mesh for blocking filter 6, is fallen in intercommunicating pore 4 and is resulted in blockage.
Such as Fig. 1 and Fig. 2, anti-jamming mechanism includes drive block 53 and drive link 54, and one end of drive link 54 and driving are justified
51 bias of disk is hinged and connected, and the other end is hinged and connected with drive block 53, offers and block the same height of filter 6 on the side wall of shell 2
The limiting slot 59 of degree, drive block 53 are slidably connected in limiting slot 59, are blocked filter 6 and are set as sheet, and block end and the drive of filter 6
Motion block 53 is fixedly linked.Disk 51, drive link 54 and drive block 53 is driven to form disk link mechanism, driving motor 52 drives
Drive disk 51 rotate, drive link 54 drive drive block 53 do linear reciprocal movement in limiting slot 59, thus drive block every
Net 6 makees linear reciprocal movement, and structure is simple, easy to control.
Such as Fig. 4,2 inner wall of shell offers the guide groove 22 parallel with 6 direction of motion of filter is blocked, blocks the side wall of filter 6
It is fixed with the gib block 23 being slidably connected in guide groove 22.Guide groove 22 and gib block 23 to block the direction of motion of filter 6 into
Row limit, prevent the motion path for blocking filter 6 deviate cause it is stuck.
Such as Fig. 1, gib block 23 stretches out shell 2 and is attached with drive link 54, and drive link 54 passes through 23 band of gib block
It is dynamic to block filter 6 and move reciprocatingly.
It such as Fig. 4, blocks filter 6 and is detachably connected with gib block 23, block that filter 6 is easy to disassemble to be cleared up.
Such as Fig. 4, the mounting groove parallel with guide groove 22 is offered on gib block 23, the both ends for blocking filter 6 poor are respectively set
In in the mounting groove for blocking 6 two sides of filter, it is equipped on gib block 23 for connecting the bolt for blocking filter 6.Mounting groove is to blocking filter 6
Position positioned and limited, be fixed by bolt, structure is simple, be easy to use.
Such as Fig. 3, it is removably connected with cleaning pipe 41 in intercommunicating pore 4, the inner wall of the outer wall and intercommunicating pore 4 of cleaning pipe 41 is affixed
It closes.Cleaning pipe 41 is set in intercommunicating pore 4, and sludge can only block cleaning pipe 41 and can tear cleaning pipe 41 open after cleaning pipe 41 is blocked
Under cleaned, be convenient to clean.
Such as Fig. 3, the lower end of intercommunicating pore 4 offers the link slot 42 of indent, and the lower end of cleaning pipe 41, which is equipped with, is embedded in link slot
Along 43, connection is attached between 43 and link slot 42 by bolt for connection in 42.Cleaning pipe 41 is placed in intercommunicating pore 4
Interior, connection in the link slot 42, is attached fixation with bolt along 43, connects along 43 and link slot 42 to the position of cleaning pipe 41
It sets and is pre-positioned, is easily installed.The junction of cleaning pipe 41 and intercommunicating pore 4 be set to intercommunicating pore 4 lower port it is easy to disassemble and
Installation.
Specific implementation process, sludge enter 2 inner cavity of shell from feed inlet, stir the drive of axis 31 and stir the rotation of blade 32 to dirt
Mud is crushed.Dry air enters in shell 2 from intercommunicating pore 4, dries up to sludge, and is discharged from exhaust outlet.Driving electricity
Machine 52 starts, and blocks filter 6 and constantly vibrates under the drive of driving motor 52 and anti-jamming mechanism, the mesh for blocking filter 6 is prevented to be blocked
Plug, while preventing sludge from falling.The vibration for blocking filter 6 is matched with turning mechanism, is crushed to sludge, by sludge crushing at
The lesser particle of partial size, then be dried by dry wind, go water effect preferable.
Embodiment two:
The difference of embodiment two and embodiment one is to block filter and anti-jamming mechanism is different: such as Fig. 5, block filter 6 be set as with
Turning mechanism matches arc-shaped.Stir axis 31 rotation, stir blade 32 and move in a circle, block filter 6 be set as it is arc-shaped with
It stirs blade 32 to fit, reduction, which is blocked, stirs dead angle on filter 6.
Such as Fig. 6 and Fig. 7, disk 51 is driven to be rotationally connected in 2 inner cavity of shell, driving motor 52 is set to 2 outside of shell.
Such as Fig. 6 and Fig. 7, anti-jamming mechanism includes the drive rod 55 in 2 inner cavity of shell, the lower end of drive rod 55 and shell
2 it is side walls hinged be connected, the lower end of the end and drive rod 55 of blocking filter 6 is fixedly linked, and the upper end of drive rod 55 offers drive
The edge of dynamic slot 56, driving disk 51 is equipped with the driving column 57 being slidably connected in driver slot 56.Driving motor 52, which drives, to be driven
Dynamic disk 51 rotates, and driving disk 51 drives driving column 57 and then to move in a circle, and driving column 57 slides pair in driver slot 56
Driver slot 56 apply thrust, drive rod 55 driver slot 56 and driving column 57 under the action of centered on 55 lower end of drive rod point
Left and right reciprocally swinging is done, filter 6 is blocked and follows suit under the drive of drive rod 55 bilateral reciprocation, vibrated, prevent mesh
Blocking.
Such as Fig. 7, drives and be rotatably connected to driven roller 58 on column 57.Driven roller 58 rotates in driver slot 56, reduces driving
Frictional force between roller 58 and driver slot 56 reduces abrasion.
Specific implementation process, sludge enter 2 inner cavity of shell from feed inlet, stir the drive of axis 31 and stir the rotation of blade 32 to dirt
Mud is crushed.Dry air enters in shell 2 from intercommunicating pore 4, dries up to sludge, and is discharged from exhaust outlet.Driving electricity
Machine 52 starts, and disk 51 is driven to drive drive rod or so reciprocally swinging to swing to which filter 6 is blocked in drive by driving column 57,
It prevents the mesh for blocking filter 6 to be blocked, while preventing sludge from falling.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of bottom dry type mud drying device, including bracket (1) and shell (2), shell (2) is interior to be equipped with turning device,
The turning device includes stirring axis (31) and stirring blade (32), and shell (2) bottom offers intercommunicating pore (4), and feature exists
In: further include driving disk (51), driving motor (52) and anti-jamming mechanism, drives the output of disk (51) and driving motor (52)
Axis is coaxially connected, and the anti-jamming mechanism is connected with driving disk (51), is equipped in shell (2) inner cavity and is located at intercommunicating pore (4)
What top was used to prevent sludge from falling blocks filter (6), and the filter (6) that blocks is connected with anti-jamming mechanism, the driving motor (52)
Filter (6) is blocked by anti-jamming mechanism drive to move reciprocatingly.
2. a kind of bottom dry type mud drying device according to claim 1, it is characterised in that: the anti-jamming mechanism packet
Drive block (53) and drive link (54) are included, one end and driving disk (51) bias of the drive link (54) are hinged and connected,
The other end is hinged and connected with drive block (53), and the side wall of the shell (2) is equipped with horizontally disposed limiting slot (59), the driving
Block (53) is slidably connected in limiting slot (59), and the filter (6) that blocks is connected with drive block (53).
3. a kind of bottom dry type mud drying device according to claim 2, it is characterised in that: in the shell (2)
Wall offers the guide groove parallel with drive block (53) direction of motion (22), and the side wall for blocking filter (6) is fixed with sliding
The gib block (23) being connected in guide groove (22).
4. a kind of bottom dry type mud drying device according to claim 3, it is characterised in that: described to block filter (6)
It is detachably connected with gib block (23).
5. a kind of bottom dry type mud drying device according to claim 1, it is characterised in that: described to block filter (6)
It is set as matching with turning device arc-shaped.
6. a kind of bottom dry type mud drying device according to claim 1, it is characterised in that: the anti-jamming mechanism packet
It includes drive rod (55), the lower end of drive rod (55) and side walls hinged being connected of shell (2), the upper end of the drive rod (55) opens up
Having driver slot (56), the edge of driving disk (51) is equipped with the driving column (57) being slidably connected in driver slot (56),
Driving column (57) rotation drives drive rod (55) to swing, under the end for blocking filter (6) and drive rod (55)
End is fixedly linked.
7. a kind of bottom dry type mud drying device according to claim 6, it is characterised in that: the driving column (57)
On be rotatably connected to driven roller (58).
8. a kind of bottom dry type mud drying device according to claim 1-7, it is characterised in that: the company
It is removably connected with cleaning pipe (41) in through-hole (4), the outer wall of the cleaning pipe (41) is bonded with the inner wall of intercommunicating pore (4).
9. a kind of bottom dry type mud drying device according to claim 8, it is characterised in that: the intercommunicating pore (4)
Lower end offer the link slot (42) of indent, the lower end of the cleaning pipe (41) is equipped with the connection edge in link slot (42)
(43), the connection is attached between (43) and link slot (42) by bolt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820406941.9U CN208414186U (en) | 2018-03-23 | 2018-03-23 | Bottom dry type mud drying device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820406941.9U CN208414186U (en) | 2018-03-23 | 2018-03-23 | Bottom dry type mud drying device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208414186U true CN208414186U (en) | 2019-01-22 |
Family
ID=65117660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820406941.9U Active CN208414186U (en) | 2018-03-23 | 2018-03-23 | Bottom dry type mud drying device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208414186U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110721942A (en) * | 2019-11-05 | 2020-01-24 | 镇江立达纤维工业有限责任公司 | Mesh plate cleaning device |
CN114618220A (en) * | 2022-03-30 | 2022-06-14 | 江西城宏实业有限公司 | Automatic cleaning equipment for sludge filtration |
-
2018
- 2018-03-23 CN CN201820406941.9U patent/CN208414186U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110721942A (en) * | 2019-11-05 | 2020-01-24 | 镇江立达纤维工业有限责任公司 | Mesh plate cleaning device |
CN114618220A (en) * | 2022-03-30 | 2022-06-14 | 江西城宏实业有限公司 | Automatic cleaning equipment for sludge filtration |
CN114618220B (en) * | 2022-03-30 | 2023-09-22 | 江西城宏实业有限公司 | Automatic cleaning equipment for sludge filtration |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208414186U (en) | Bottom dry type mud drying device | |
CN218230700U (en) | Avoid heavy calcium carbonate crude stone conveyer belt of raise dust | |
CN208098260U (en) | A kind of construction waste environmental protection disintegrating apparatus of damping noise reduction type | |
CN104014569B (en) | A kind of surge formula cylinder body special cleaning machine | |
CN111504006A (en) | Swing type drying equipment for garbage disposal | |
CN208526760U (en) | Sieve the broken scraper bowl of impurity | |
CN110407356A (en) | A kind of sponge city rainwater-collecting purification system | |
CN109020135A (en) | A kind of sludge crushing cyclic drying deodorizing device | |
CN214914346U (en) | Preparation regeneration mixes earth feed bin with environmental protection dust collector | |
CN214495778U (en) | Sewage treatment equipment with self-cleaning function | |
CN111449573B (en) | Purifier is used in interior decoration | |
CN209020102U (en) | Automatic dust removing apparatus is used in a kind of production of numerical control device | |
CN216965240U (en) | Apparatus for producing of dearsenic agent | |
CN218981378U (en) | Mixed treatment device for sewage treatment | |
CN220126368U (en) | Farming and grazing solid waste rolling device | |
CN218392478U (en) | Sewage treatment tank for sewage treatment equipment | |
CN110054385A (en) | Roller screen formula solid-liquid separating machine | |
CN217616691U (en) | Dust collector for shot blasting machine | |
CN219679626U (en) | Beating smashing device capable of automatically overturning | |
CN221267583U (en) | Dust removal mechanism for grinder processing | |
CN215165099U (en) | Road surface leaf descaling machine for environmental protection | |
CN212284530U (en) | Lime wash spraying device convenient to clearance | |
CN221107900U (en) | Additive adds preprocessing device | |
CN218981401U (en) | Environment-friendly and low-dust plugging agent production device | |
CN217876775U (en) | Fluidized bed drying equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |