CN209872865U - Pyrolysis oven feed arrangement - Google Patents
Pyrolysis oven feed arrangement Download PDFInfo
- Publication number
- CN209872865U CN209872865U CN201920682488.9U CN201920682488U CN209872865U CN 209872865 U CN209872865 U CN 209872865U CN 201920682488 U CN201920682488 U CN 201920682488U CN 209872865 U CN209872865 U CN 209872865U
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- movable plate
- connecting rod
- pyrolysis furnace
- driven
- opening
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 74
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000003031 feeding effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a pyrolysis oven feed arrangement relates to refuse handling installation technical field, has solved the difficult technical problem that gets into and feed efficiency is low of pyrolysis oven feed inlet rubbish that exists among the prior art, pyrolysis oven feed arrangement includes the feed arrangement body, the feed arrangement body includes at least three stock guide, wherein: all the material guide plates are obliquely arranged, all the material guide plates are sequentially connected and enclose a material guide hopper with a gap at one side, the bottom of the material guide hopper is provided with an opening, and the opening is communicated with a material inlet positioned at the top of the pyrolysis furnace; the utility model discloses, the breach makes things convenient for empting of garbage truck rubbish, the landing of the rubbish of being convenient for of stock guide, the feeding is effectual, and the feeding efficiency is high.
Description
Technical Field
The utility model relates to a refuse handling installation technical field, concretely relates to pyrolysis oven feed arrangement.
Background
The pyrolysis oven is a common environmental protection equipment for handling rubbish, it utilizes the thermal instability of organic matter in the rubbish, be heated under the condition of anaerobic or oxygen deficiency and decompose, finally obtain gaseous state, liquid or solid-state material, and the feed arrangement of current pyrolysis oven is mostly only simple to be set up to the feed inlet, feed efficiency is lower, to this, a feed arrangement with conveyer belt has appeared on the market, the device transports rubbish to the pyrolysis oven from the feed inlet through the conveyer belt, but when rubbish conveys the position of discharge gate, rubbish often can drop from the both sides of drive belt, or block in the position of conveyer belt and feed inlet, influence the feeding effect.
The low-temperature pyrolysis furnace disclosed by the Chinese patent document comprises a pyrolysis furnace body, wherein a feed inlet is formed in the upper portion of the pyrolysis furnace body, two ends of a conveying belt are respectively connected with the feed inlet and a material collecting hopper, a feed plate is arranged at the position, located at the feed inlet, on the inner wall of the pyrolysis furnace body, the conveying belt conveys garbage in the material collecting hopper to the feed inlet, and the garbage is pyrolyzed to the inside of the pyrolysis furnace body through the sliding of the feed plate.
The applicant has found, in comparison with the prior art, that at least the following technical problems exist:
1. the conveyer belt is at the in-process of transportation rubbish, and rubbish drops from the both sides of conveyer belt easily, and rubbish blocks easily between conveyer belt and feed inlet, and these all seriously influence the feeding of pyrolysis oven rubbish.
2. The rubbish in the collecting hopper can not be automatically placed on the conveying belt, the worker needs to constantly place the rubbish on the conveying belt to start conveying the rubbish, the energy consumption is large, the personnel cost is high, and the incoming and feeding effects are poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a feeding device of a pyrolysis furnace, which solves the technical problem that garbage at a feed inlet of the pyrolysis furnace is not easy to enter in the prior art; the utility model provides a great deal of technological effects that preferred technical scheme in a great deal of technical scheme can produce (operating mechanism passes through the drive mechanism drive actuating mechanism and reciprocates the shake, can transport the rubbish that slides to the actuating mechanism to the pyrolysis oven, effectively improve the feeding effect of rubbish, the fly leaf reciprocates the shake and can transport the rubbish that drops to the fly leaf, operating mechanism includes the operating handle, can drive the fly leaf through push-and-pull operating mechanism, easy operation, driving shaft and initiative connecting rod can reciprocate the rotation with the operating handle in step, first revolute pair makes initiative connecting rod and fly leaf rotatable coupling, driven connecting rod, fly leaf and initiative connecting rod form link mechanism, can the reciprocal rotation of operating handle transform into the reciprocal movement of fly leaf, second revolute pair makes driven connecting rod and fly leaf rotatable coupling, the setting of spout makes initiative connecting rod, the drive link rod, the pyrolysis furnace is, The first mounting shaft and the movable plate can form a crank connecting rod mechanism, and the reciprocating rotation of the operating handle can be converted into the reciprocating rotation of the movable plate; the hopper door is arranged for opening and closing the opening, and the like); see below for details.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of pyrolysis oven feed arrangement, including the feed arrangement body, the feed arrangement body includes at least three stock guide, wherein: all the guide plates are obliquely arranged, all the guide plates are sequentially connected and enclose a guide hopper with a notch on one side, an opening is formed in the bottom of the guide hopper, and the opening is communicated with a feed inlet located in the top of the pyrolysis furnace.
Preferably, the feeding device of the pyrolysis furnace further comprises a material shaking device, the material shaking device comprises an actuating mechanism, a manipulating mechanism and a transmission mechanism, wherein: the actuating mechanism is arranged at the top of the pyrolysis furnace and is positioned at the position of the notch, the operating mechanism is connected with the actuating mechanism through the transmission mechanism, and the actuating mechanism is driven by the operating mechanism to shake back and forth.
Preferably, the actuating mechanism comprises a movable plate, one side of the movable plate is arranged at the position of the opening, the other side of the movable plate is arranged at the position of the notch, and the movable plate is driven by the operating mechanism to shake back and forth.
Preferably, the operating mechanism comprises an operating handle and an operating seat, the end of the operating handle penetrates through the operating seat to be connected with the transmission mechanism, the operating handle is pushed and pulled to enable the operating handle to rotate back and forth, and the transmission mechanism can convert the back and forth rotation of the operating handle into the back and forth movement of the movable plate.
Preferably, the transmission mechanism comprises a driving shaft and a driving connecting rod, the driving shaft is vertically connected with the control handle, the input end of the driving connecting rod is connected with the driving shaft, the output end of the driving connecting rod is rotatably connected with the movable plate, and the driving connecting rod and the driving shaft can rotate back and forth along the axis of the driving shaft along with the control handle.
Preferably, the bottom that the fly leaf kept away from opening one side is provided with first mounting groove, be provided with first installation axle in the first mounting groove, wherein: the output end of the driving connecting rod is provided with a first through hole, the first mounting shaft penetrates through the first through hole to form a first rotating pair, and the driving connecting rod is rotatably connected with the movable plate through the first rotating pair.
Preferably, the transmission mechanism comprises a driven shaft and a driven link, wherein: the length of the driven connecting rod is smaller than that of the driving connecting rod; the two ends of the driven connecting rod are respectively and rotatably connected with the driven shaft and the movable plate, the driven connecting rod, the movable plate and the driving connecting rod form a connecting rod mechanism, and the connecting rod mechanism can convert the reciprocating rotation of the operating handle into the reciprocating movement of the movable plate.
Preferably, the bottom that the fly leaf is close to opening one side is provided with the second mounting groove, be provided with the second installation axle in the second mounting groove, wherein: the driven connecting rod with the one end that the fly leaf is connected is provided with the second through-hole, the second installation axle passes the second through-hole forms the second revolute pair, the driven connecting rod pass through the second revolute pair with driven connecting rod rotatable coupling.
Preferably, the inner wall of first mounting groove is provided with the spout relatively, the both ends of first installation axle set up respectively in the spout and can slide in the spout, the fly leaf is close to open-ended one end rotatable coupling is on the top of pyrolysis oven, the initiative connecting rod first installation axle with the fly leaf forms slider-crank mechanism, slider-crank structure can with the rotation that comes and goes of initiative connecting rod turns into the rotation that comes and goes of fly leaf.
Preferably, the position of the opening is provided with a hopper door.
The utility model provides a pair of pyrolysis oven feed arrangement has following beneficial effect at least:
the feeding device of the pyrolysis furnace comprises a feeding device body, the feeding device body comprises at least three material guide plates, all the material guide plates are obliquely arranged, and the obliquely arranged material guide plates facilitate sliding of garbage; all the material guide plates are sequentially connected and enclose a material guide hopper with a notch on one side, a leaning opening is formed in the bottom of the material guide hopper, the opening is communicated with a material inlet positioned in the top of the pyrolysis furnace, a garbage truck can directly drive to the position of the notch and aim garbage at the notch to dump, and after entering the material guide hopper, the garbage can automatically slide down to the opening through the material guide plates and enter the pyrolysis furnace through the material inlet; the utility model discloses, the breach makes things convenient for empting of garbage truck rubbish, the landing of the rubbish of being convenient for of stock guide, the feeding of the rubbish of being convenient for to the feeding is effectual, and the feeding efficiency is high.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the feeding device of the present invention;
FIG. 3 is a schematic structural view of the material shaking device of the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of the transmission mechanism of the present invention;
fig. 5 is a schematic structural diagram of another embodiment of the transmission mechanism of the present invention.
Reference numerals
1-a feeding device body; 11-a material guide plate; 12-hopper door; 2-a material shaking device; 21-an actuator; 22-an operating mechanism; 211-a movable plate; 2111-first mounting groove; 2112-a second mounting groove; 2113-chute; 221- -handlebar; 23-a transmission mechanism; 231-a drive shaft; 232-active link; 233-a driven shaft; 234-driven link; 235-a second mounting shaft; 236-first mounting axis.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a pyrolysis furnace feed arrangement, as fig. 1 the utility model discloses schematic structure and fig. 2 the utility model discloses feed arrangement body structure is shown, including feed arrangement body 1, feed arrangement body 1 includes at least three stock guide 11, wherein: all the material guide plates 11 are obliquely arranged, all the material guide plates 11 are sequentially connected and enclose a material guide hopper with a gap at one side, the bottom of the material guide hopper is provided with an opening, and the opening is communicated with a material inlet positioned at the top of the pyrolysis furnace; the shape of feed arrangement body 1 is the triangular prism that falls, the top surface undercut of triangular prism forms the guide fill, three side of guide fill forms stock guide 11, the bottom surface of guide fill sets up to isosceles trapezoid.
During feeding, the garbage truck directly drives to the position of the notch and starts dumping garbage, at the moment, the garbage enters the material guide hopper and slides down along the material guide plate 11, and then the garbage sequentially passes through the opening and the material inlet and enters the pyrolysis furnace; the guide hopper is provided with a notch, the garbage truck can directly drive to the position of the notch, garbage can be conveniently dumped, the garbage dumping efficiency is high, and the guide plate 11 is obliquely arranged, so that the garbage can conveniently slide down; the utility model discloses rubbish easily gets into in the pyrolysis oven to the feeding is efficient, and the feeding is effectual.
As an optional implementation manner, as shown in fig. 1 and fig. 3, the structure schematic diagram of the material shaking device of the present invention, the material feeding device of the pyrolysis furnace further includes a material shaking device 2, the material shaking device 2 includes an executing mechanism 21, an operating mechanism 22 and a transmission mechanism 23, wherein: the actuating mechanism 21 is arranged at the top of the pyrolysis furnace and is positioned at the position of the notch, the operating mechanism 22 is connected with the actuating mechanism 21 through a transmission mechanism 23, and the actuating mechanism 21 is driven by the operating mechanism 22 to shake back and forth; when the garbage truck is about to dump the garbage, a part of the garbage falls on the actuating mechanism 21, and at the moment, the actuating mechanism 22 is repeatedly pushed and pulled, and the actuating mechanism 21 shakes back and forth, so that the garbage on the actuating mechanism 21 falls into the pyrolysis furnace, and the garbage feeding effect is further improved.
As an alternative embodiment, as shown in fig. 1 and 3, the actuator 21 includes a movable plate 211, the movable plate 211 is configured as an isosceles trapezoid, the waist of the movable plate 211 is collinear with the waist of the isosceles trapezoid on the bottom surface of the material guiding bucket, one side of the movable plate 211 is disposed at the position of the opening, the other side of the movable plate 211 is disposed at the position of the notch, and the movable plate 211 is driven by the operating mechanism 22 to reciprocate; the top of pyrolysis oven is provided with the mount table, and feed arrangement body 1 sets up on the mount table, the opening runs through the mount table, on the mount table with the opening is adjacent to be provided with the storage tank, the shape of storage tank and the shape of fly leaf 211 are mutually supported, and normal state actuating mechanism 23 and fly leaf 211 all set up in the storage tank and the top surface of fly leaf 211 with the top surface parallel and level of mount table, the mount table is kept away from open-ended one side is provided with the access hole, the access hole with the storage tank intercommunication sets up.
As an alternative embodiment, as shown in fig. 1 and 3, the operating mechanism 22 includes an operating handle 221 and an operating base, the operating base is disposed on the top of the pyrolysis furnace, an end of the operating handle 221 passes through the operating base to be connected to the transmission mechanism 23, a dust cover is sleeved outside the operating handle 221, a lower end of the dust cover is wrapped on the top of the operating base, the operating handle 221 is pushed and pulled to rotate the operating handle 221 back and forth, and the transmission mechanism 23 can convert the back and forth rotation of the operating handle 221 into the back and forth movement of the movable plate 211.
As an alternative embodiment, as shown in fig. 1 and 3, the transmission mechanism 23 includes a driving shaft 231 and a driving link 232, the driving shaft 231 is vertically connected to the control handle 221, the driving shaft 231 is disposed in the accommodating groove, and both ends of the driving shaft 231 are respectively connected to the inner wall of the accommodating groove, an input end of the driving link 232 is connected to the driving shaft 231, an output end of the driving link 232 is rotatably connected to the movable plate 211, and the driving link 232 and the driving shaft 231 can rotate back and forth along the axis of the driving shaft 231 with the control handle 221.
As an optional implementation manner, as shown in fig. 3 and fig. 4, the bottom of the movable plate 211 on the side away from the opening is provided with a first mounting groove 2111, and the first mounting groove 2111 is provided with a first mounting shaft 236, where: the output end of the driving link 232 is provided with a first through hole, the first mounting shaft 236 passes through the first through hole to form a first rotating pair, and the driving link 232 is rotatably connected with the movable plate 211 through the first rotating pair; the driving link 232 is connected to the movable plate 211 through the first revolute pair, so that the driving link 232 can rotate relative to the movable plate 211, thereby providing a precondition for forming a link mechanism.
As an alternative embodiment, as shown in fig. 4, the transmission mechanism 23 includes a driven shaft 233 and a driven link 234, wherein: the two ends of the driven connecting rod 234 are rotatably connected with the driven shaft 233 and the movable plate 211 respectively, the driven shaft 234 is arranged in the accommodating groove, the two ends of the driven connecting rod 234 are connected and arranged on the inner wall of the accommodating groove respectively, the length of the driven connecting rod 234 is smaller than that of the driving connecting rod 232, the driven connecting rod 234, the movable plate 211 and the driving connecting rod 232 form a connecting rod mechanism, the connecting rod mechanism can convert the reciprocating rotation of the operating handle 221 into the reciprocating movement of the movable plate 211, and the height of one end, far away from the opening, of the movable plate 211 is always larger than that of one end, close to the opening, of.
As an alternative embodiment, as shown in fig. 3 and 4, a second mounting groove 2112 is disposed at the bottom of the movable plate 211 near the opening side, and a second mounting shaft 235 is disposed in the second mounting groove 2112, wherein: one end of the driven link 234 connected with the movable plate 211 is provided with a second through hole through which the second mounting shaft 235 passes to form a second revolute pair, and the driven link is rotatably connected with the driven link 234 through the second revolute pair; the driven link 234 is connected to the movable plate 211 through the second revolute pair, so that the movable plate 211 can rotate relative to the driven link 234, thereby creating a precondition for the formation of a link mechanism; and the first mounting groove 2111 and the second mounting groove 2112 are both disposed at the bottom of the movable plate 211, and the shape of the movable plate 211 and the shape of the receiving groove are matched with each other, so that it is possible to prevent garbage from entering the receiving groove by mistake.
As an optional implementation manner, as shown in fig. 5, as another implementation manner of the structural transmission mechanism of the present invention, a sliding slot 2113 is relatively disposed on an inner wall of the first mounting groove 2111, two ends of the first mounting shaft 236 are respectively disposed in the sliding slot 2113 and can slide in the sliding slot 2113, one end of the movable plate 211 close to the opening is rotatably connected to the top of the pyrolysis furnace, the driving connecting rod 232, the first mounting shaft 236 and the movable plate 211 form a crank-slider mechanism, the crank-slider mechanism can convert the reciprocating rotation of the driving connecting rod 232 into the reciprocating rotation of the movable plate 211, the movable plate 211 rotates back and forth around the second mounting shaft 235, and in the process of the reciprocating rotation, the height of one end of the movable plate 211 far away from the opening is always greater than the height of one end of the.
As an optional embodiment, a door 12 is disposed at the position of the opening, the opening is sealed when the door 12 is closed, and a handle is disposed on the door 12 to facilitate opening of the door 12.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A pyrolysis furnace feeding device, comprising a feeding device body (1), wherein the feeding device body (1) comprises at least three material guide plates (11), wherein:
all the material guide plates (11) are obliquely arranged, all the material guide plates (11) are sequentially connected and enclose a material guide hopper with a notch on one side, an opening is formed in the bottom of the material guide hopper, and the opening is communicated with a feeding hole in the top of the pyrolysis furnace.
2. A pyrolysis furnace feeding arrangement according to claim 1, further comprising a material shaking arrangement (2), the material shaking arrangement (2) comprising an actuator (21), a manipulator (22) and a transmission (23), wherein:
the actuating mechanism (21) is arranged at the top of the pyrolysis furnace and located at the position of the notch, the operating mechanism (22) is connected with the actuating mechanism (21) through the transmission mechanism (23), and the actuating mechanism (21) is driven by the operating mechanism (22) to shake back and forth.
3. A pyrolysis furnace feeding device according to claim 2, characterized in that the actuator (21) comprises a movable plate (211), one side of the movable plate (211) is arranged at the position of the opening, the other side of the movable plate (211) is arranged at the position of the notch, and the movable plate (211) is driven by the operating mechanism (22) to shake back and forth.
4. A pyrolysis furnace feeding device according to claim 3, wherein the operating mechanism (22) comprises an operating handle (221) and an operating base, an end of the operating handle (221) passes through the operating base to be connected with the transmission mechanism (23), the operating handle (221) is pushed and pulled to rotate the operating handle (221) back and forth, and the transmission mechanism (23) can convert the back and forth rotation of the operating handle (221) into the back and forth movement of the movable plate (211).
5. A pyrolysis furnace feeding device according to claim 4, wherein the transmission mechanism (23) comprises a driving shaft (231) and a driving connecting rod (232), the driving shaft (231) is vertically connected with the operating handle (221), the input end of the driving connecting rod (232) is connected with the driving shaft (231), the output end of the driving connecting rod (232) is rotatably connected with the movable plate (211), and the driving connecting rod (232) and the driving shaft (231) can rotate back and forth along the axis of the driving shaft (231) along with the operating handle (221).
6. A pyrolysis furnace feeding device according to claim 5, wherein the bottom of the movable plate (211) on the side away from the opening is provided with a first installation groove (2111), and the first installation groove (2111) is provided with a first installation shaft (236), wherein:
the output end of the driving connecting rod (232) is provided with a first through hole, the first mounting shaft (236) penetrates through the first through hole to form a first rotating pair, and the driving connecting rod (232) is rotatably connected with the movable plate (211) through the first rotating pair.
7. A pyrolysis furnace feeding device according to claim 6, wherein the transmission mechanism (23) further comprises a driven shaft (233) and a driven link (234), wherein:
the length of the driven link (234) is less than the length of the driving link (232);
two ends of the driven connecting rod (234) are respectively rotatably connected with the driven shaft (233) and the movable plate (211), the driven connecting rod (234), the movable plate (211) and the driving connecting rod (232) form a connecting rod mechanism, and the connecting rod mechanism can convert the reciprocating rotation of the control handle (221) into the reciprocating movement of the movable plate (211).
8. A pyrolysis furnace feeding device according to claim 7, wherein the bottom of the movable plate (211) near the opening side is provided with a second mounting groove (2112), and a second mounting shaft (235) is provided in the second mounting groove (2112), wherein:
one end of the driven connecting rod (234) connected with the movable plate (211) is provided with a second through hole, the second mounting shaft (235) penetrates through the second through hole to form a second rotating pair, and the driven connecting rod is rotatably connected with the driven connecting rod (234) through the second rotating pair.
9. The charging device of the pyrolysis furnace according to claim 6, wherein the inner wall of the first mounting groove (2111) is provided with a sliding groove (2113), two ends of the first mounting shaft (236) are respectively arranged in the sliding groove (2113) and can slide in the sliding groove (2113), one end of the movable plate (211) close to the opening is rotatably connected to the top of the pyrolysis furnace, the driving connecting rod (232), the first mounting shaft (236) and the movable plate (211) form a crank-slider mechanism, and the crank-slider mechanism can convert the reciprocating rotation of the driving connecting rod (232) into the reciprocating rotation of the movable plate (211).
10. A pyrolysis furnace feeding arrangement according to claim 1, characterized in that the opening is provided with a hopper door (12) at the location of the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920682488.9U CN209872865U (en) | 2019-05-14 | 2019-05-14 | Pyrolysis oven feed arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920682488.9U CN209872865U (en) | 2019-05-14 | 2019-05-14 | Pyrolysis oven feed arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209872865U true CN209872865U (en) | 2019-12-31 |
Family
ID=68964861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920682488.9U Expired - Fee Related CN209872865U (en) | 2019-05-14 | 2019-05-14 | Pyrolysis oven feed arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209872865U (en) |
-
2019
- 2019-05-14 CN CN201920682488.9U patent/CN209872865U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |