CN205463446U - Defroster of superconductive de -ironing separator - Google Patents
Defroster of superconductive de -ironing separator Download PDFInfo
- Publication number
- CN205463446U CN205463446U CN201620023354.2U CN201620023354U CN205463446U CN 205463446 U CN205463446 U CN 205463446U CN 201620023354 U CN201620023354 U CN 201620023354U CN 205463446 U CN205463446 U CN 205463446U
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- Prior art keywords
- superconducting
- gas
- deicer
- deironing device
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- 238000010409 ironing Methods 0.000 title abstract 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims description 109
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000001307 helium Substances 0.000 claims description 9
- 229910052734 helium Inorganic materials 0.000 claims description 9
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical group [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 7
- 238000010408 sweeping Methods 0.000 abstract description 4
- 238000010926 purge Methods 0.000 description 46
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 206010037544 Purging Diseases 0.000 description 15
- 238000005057 refrigeration Methods 0.000 description 13
- 230000008859 change Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
The utility model discloses a superconductive de -ironing separator defroster, including the gas supply part, be provided with first gas outlet on the gas supply part, the gas blow pipe, the first end of gas blow pipe is provided with the second gas outlet, the gas -supply pipe, the first end of gas -supply pipe with first gas outlet is connected, the second of gas -supply pipe end with the second end of gas blow pipe is connected, a heating portion for heating the sweeping gas body, heating portion sets up on the gas -supply pipe. The utility model provides a defroster of superconductive de -ironing separator has improved the deicing efficiency of superconductive de -ironing separator, has saved the manpower and material resources resource, has reduced manufacturing cost.
Description
Technical field
This utility model relates to a kind of superconducting deironing device, particularly relates to the deicing of a kind of superconducting deironing device
Device.
Background technology
In raw coal production industry, containing the impurity such as a certain amount of miscellaneous ferrum and big gun line in the raw coal of output,
Miscellaneous ferrum can produce the risk hindering power plant's coal breaker effectively to operate, big gun line the most likely initiation fire
Or blast, for avoiding above-mentioned deleterious situation, conventional way is introduced into superconducting deironing device by super
The strong magnetic field that magnetic conduction ferrum produces, removes the hazardous mixture such as the miscellaneous ferrum being mixed in raw coal and big gun line.
Fig. 1 is the internal structure schematic diagram of tower of freezing in superconducting deironing device in prior art.Such as Fig. 1
Shown in, the refrigeration tower 1' in superconducting deironing device generally comprises cryocooler cold head 11', helium spout hole
16', copper are heat sink 17', threeway 20' etc..In prior art, the working environment of superconducting deironing device is
Pressure within negative pressure, i.e. Magnet is less than a normal atmosphere, under differential pressure action, outside
Air can slowly penetrate into the inside to the tower that freezes, after equipment long time running, the helium of device interior
Nitrogen ice and water can be had on gas spout hole 16' and 17' heat sink with the copper that cryocooler cold head 11' is connected
Ice.These ice the most only cause helium spout hole 16' passage to have a risk of blocking, also can by with refrigeration
The heat sink 17' of copper that machine cold head 11' is connected freezes, and causes when changing cryocooler cold head 11', it is impossible to
Directly cryocooler cold head 11' is manually taken off, need refrigeration tower 1' is heated, be allowed to come to room
Temperature, changes cryocooler cold head 11' after being set in the ice volatilization within refrigeration tower 1' again, and freeze tower
The rewarming process of 1' is slow, has had a strong impact on work efficiency, and after rewarming, inside refrigeration tower 1'
Vacuum interlayer impaired, need evacuation again, waste substantial amounts of human and material resources, improve
Production cost.
Utility model content
This utility model provides the deicer of a kind of superconducting deironing device, is used for solving the problems referred to above,
Improve the deicing efficiency of superconducting deironing device, save human and material resources, reduce production cost.
This utility model provides a kind of superconducting deironing device deicer, including: gas supply part, described
The first gas outlet it is provided with on gas supply part；Gas blow pipe, the first end of described gas blow pipe is provided with second
Gas outlet；Appendix, the first end of described appendix is connected with described first gas outlet, described
Second end of appendix is connected with the second end of described gas blow pipe；For adding of heating and blowing gas
Hot portion, described heating part is arranged on described appendix.
Superconducting deironing device deicer as above, these, it is preferred to: described superconduction removes ferrum
Device deicer also includes that pressure regulator valve, described pressure regulator valve are arranged on described appendix.
Superconducting deironing device deicer as above, these, it is preferred to: described superconduction removes ferrum
Device deicer also includes protective cover, and described protective cover is provided with inlet end and outlet side, described
Inlet end is fixed on the outer side surface of the first end of described gas blow pipe, the internal diameter edge of described protective cover
Described inlet end to be gradually increased to the direction of described outlet side.
Superconducting deironing device deicer as above, these, it is preferred to: described gas supply part is
Helium tank.
Superconducting deironing device deicer as above, these, it is preferred to: described gas blow pipe
First end is provided with air blow gun, and the inflatable mouth of described air blow gun is the second gas outlet.
Superconducting deironing device deicer as above, these, it is preferred to: described heating part is
Heat exchanger.
Superconducting deironing device deicer as above, these, it is preferred to: described appendix is
Flange-connection stainless steel metal flexible pipe.
Superconducting deironing device deicer as above, these, it is preferred to: described pressure regulator valve with
Described appendix Flange joint.
Superconducting deironing device deicer as above, these, it is preferred to: described heat exchanger
With appendix Flange joint.
Superconducting deironing device deicer as above, these, it is preferred to: described superconduction removes ferrum
Device deicer also includes that quick union, the two ends of described quick union are respectively arranged with female thread,
The end of the second end of described appendix is provided with external screw thread, and the second end of described gas blow pipe is provided with
External screw thread, the second end of appendix is spirally connected by quick union with the second end of described gas blow pipe.
The deicer of a kind of superconducting deironing device that this utility model provides, is used for removing superconduction except ferrum
The cold ice of device internal condensation.Specifically, when superconducting deironing device needs to change cryocooler cold head, first
First being shut down by superconducting deironing device, the deicer of the superconducting deironing device that this utility model provides transports extremely
Near superconducting deironing device, by the gas used by gas supply part supply purging, gas blow pipe is directed at threeway
After, refrigeration tower 1 inside directly spurted in superconducting deironing device by purging gas by gas blow pipe is entered
Row purging heating, makes the refrigeration tower 1 in superconducting deironing device carry out intensification deicing, and wherein appendix is used
In the purging gas in gas supply part is delivered to gas blow pipe, during conveying purging gas,
The heating part arranged on appendix is for heating purging gas.It is super that this utility model provides
Lead tramp iron separator deicer and pass through above-mentioned sweeping process, can be effectively by the knot within superconducting deironing device
Ice removes, and is conducive to improving the efficiency changing cryocooler cold head, without to superconducting deironing device after purging
Carry out rewarming evacuation, save substantial amounts of human and material resources, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of tower of freezing in superconducting deironing device in prior art；
The structural representation of the deicer of the superconducting deironing device that Fig. 2 provides for this utility model embodiment
Figure；
Superconduction is removed ferrum by the deicer of the superconducting deironing device that Fig. 3 provides for this utility model embodiment
The schematic diagram of device deicing.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in detail.The most identical parts are used
Identical reference represents.It should be noted that the word "front", "rear" used in describing below,
"left", "right", "up" and "down" refer to the direction in accompanying drawing, word " interior " and " outward "
Refer respectively to the direction towards or away from particular elements geometric center.
The structural representation of the deicer of the superconducting deironing device that Fig. 2 provides for this utility model embodiment
Figure, the deicer of the superconducting deironing device that Fig. 3 provides for this utility model embodiment is to superconducting deironing device
The schematic diagram of deicing.As shown in Figure 2 to Figure 3, a kind of superconduction that this utility model embodiment provides removes
The deicer 1 of ironware includes gas supply part 11, gas blow pipe 12, appendix 13 and for heating and blowing gas
The heating part 14 of body.
The first gas outlet (not shown) it is provided with, the of described gas blow pipe 12 on described gas supply part 11
One end is provided with the second gas outlet 121, the first end of described appendix 13 and described first gas outlet
Being connected, the second end of described appendix 13 is connected with the second end of described gas blow pipe 12, institute
State heating part 14 to be arranged on described appendix 13.
Referring to Fig. 2 to Fig. 3, a kind of superconducting deironing device that this utility model embodiment provides
Deicer 1, for removing the cold ice of superconducting deironing device internal condensation.Specifically, when superconduction is except ferrum
When device needs to change cryocooler cold head 11', first being shut down by superconducting deironing device, this utility model is implemented
The deicer 1 of the superconducting deironing device that example provides transports near superconducting deironing device, by gas supply part
Gas used by 11 supply purgings, after gas blow pipe 12 is directed at threeway 20', directly passes through gas blow pipe
Purging gas is spurted into and to be carried out purging heating inside the tower 1' that freezes in superconducting deironing device by 12, makes refrigeration
Tower 1' carries out intensification deicing, and wherein appendix 13 is for carrying the purging gas in gas supply part 11
To gas blow pipe 12, during conveying purging gas, the heating part arranged on appendix 13
14 for heating purging gas.Removing of the superconducting deironing device that this utility model embodiment provides
Ice production apparatus 1, can be effectively by superconducting deironing device internal refrigeration storage tower 1' by above-mentioned sweeping process
Freeze and remove, be conducive to improving the efficiency changing cryocooler cold head 11', without superconduction is removed after purging
Ironware carries out rewarming evacuation, saves substantial amounts of human and material resources, reduces production cost.
On the basis of above-described embodiment, removing of the superconducting deironing device that this utility model embodiment provides
Ice production apparatus 1 also includes that pressure regulator valve 15, described pressure regulator valve 15 are arranged on described appendix 13, near institute
State the first gas outlet.Purging gas needs the degree according to freezing to carry out selectivity in purge
Purging, in purge, the flow of purge gas is also required to carry out appropriate adjustment, to reach
Purge gas utilization rate maximizes, the pressure regulator valve 15 that this utility model embodiment is arranged on appendix 13
The flow of purge gas can be adjusted in real time, it is ensured that the flow of purging gas is according to when needing of purging
Carve and be in the state that can regulate, improve the utilization rate of purging gas.
Preferably, the deicer 1 of the superconducting deironing device that this utility model embodiment provides also includes
Protective cover 16, described protective cover 16 is provided with inlet end and outlet side, and described inlet end is fixed on
On the outer side surface of the first end of described gas blow pipe 12, the internal diameter of described protective cover 16 is along inlet end
Increase successively to the direction of outlet side.Due to blowing from the second gas outlet 121 injection of gas blow pipe 12
The pressure of scavenging body and flow velocity are relatively big, purging gas after leaving gas blow pipe 12, oriented gas blow pipe 12
The probability of surrounding diffusion, in the case, is unfavorable for purging the efficient utilization of gas, causes
The waste of purging gas, the protective cover 16 of setting can be by drawing the gas of blowout in gas blow pipe 12
It flow to the inside of refrigeration tower 1', it is therefore prevented that purge the unnecessary diffusion of gas and waste, carry further
The high utilization ratio of purging gas.
Further, described gas supply part 11 is helium tank, and described purging gas is helium.Helium is
The gas that chemical property is relatively stable, is not easy to the material generation chemical reaction with other, at purging
During, the environment within superconducting deironing device is warm, humidity, is that iron and steel occurs the good of corrosion
Good environment, is therefore conducive to stablizing of superconducting deironing device internal structure using inertia helium as purge gas
Property, effectively prevent superconducting deironing device internal generation corrosiveness.
As a preferred embodiment, the end of described gas blow pipe 12 first end is provided with air blow gun,
The inflatable mouth of described air blow gun is the second gas outlet 121, and described gas blow pipe 12 is set to air blow gun can
To effectively utilize the bell design of the inflatable mouth of air blow gun, it is simple to the gas outlet of small volume is straight
Patching the inside into refrigeration tower 1', making purge gas is that jet-like sprays from inflatable mouth, decreases purging
The probability that gas spreads to surrounding, improves the utilization rate of purge gas, and air blow gun is readily accessible and
Install, the beneficially maintenance of gas blow pipe 12.Those skilled in the art it is understood that described in blow
It is a kind of that trachea 12 is not limited only to air blow gun, it is possible to is effectively drained to purging gas freeze in tower 1'
Portion.
On the basis of above-described embodiment, the heating part 14 that this utility model embodiment provides is that heat is handed over
Parallel operation.The operation principle of heat exchanger for making heat from high temperature fluid conduction to cryogen, from
And make cryogen heat, owing to heat exchanger is tubulose, floor space is little, uses heat exchanger
As the device of purging gas heating, can directly caloric value parallel operation be arranged on appendix 13,
On the basis of ensureing purge gas height effect purging, effectively reducing this utility model embodiment provides
Deicer 1 floor space of superconducting deironing device, save space.
Further, described appendix 13 is flange-connection stainless steel metal flexible pipe.Described appendix 13 is internal real
Time conveying high-pressure gas, therefore use flange-connection stainless steel metal flexible pipe can ensure that appendix 13 has necessarily
Rigidity and intensity, and do not collide explosion problem, improve the stability of appendix 13,
Appendix 13 is set to flange-connection stainless steel metal flexible pipe, it is simple to the bending of appendix 13 simultaneously, decreases
The unnecessary space waste that appendix 13 inflexibility causes, beneficially this utility model embodiment
Integrated and the densification of the deicer 1 of the superconducting deironing device provided.
On the basis of above-described embodiment, described pressure regulator valve 15 and described appendix 13 Flange joint,
Described heat exchanger and appendix 13 Flange joint.Flange joint is a kind of good airproof performance, connects steady
Solid connected mode, simultaneously Flange joint be easy to connect and dismounting, by described pressure regulator valve 15 and Re Jiao
Parallel operation is fixed on appendix 13 in the way of Flange joint, is conducive to pressure regulator valve 15 and heat exchange
Device is replaced and keeps in repair.
Further, also include that quick union, the two ends of described quick union are respectively arranged with interior spiral shell
Stricture of vagina, the end of the second end of described appendix 13 is provided with external screw thread, the second of described gas blow pipe 12
End is provided with external screw thread, and the second end of appendix 13 passes through to connect soon with the second end of described gas blow pipe 12
Joint is spirally connected.Second end of described appendix 13 and described gas blow pipe 12 is provided with external screw thread,
The two ends of quick union are provided with female thread, during connection, directly by described appendix 13 and gas blow pipe
Second end of 12 two ends with quick union respectively are attached fixing, connected mode simple and fast,
Good airproof performance.
The deicer 1 of a kind of superconducting deironing device that this utility model embodiment provides, is used for removing super
Lead the cold ice of tramp iron separator internal condensation.Specifically, need to change cryocooler cold head when superconducting deironing device
During 11', first superconducting deironing device is shut down, the superconducting deironing device that this utility model embodiment provides
Deicer 1 transports near superconducting deironing device, by the gas used by gas supply part 11 supply purging,
After gas blow pipe 12 is directed at threeway 20', directly by gas blow pipe 12, purging gas is spurted into superconduction
Carry out purging heating inside refrigeration tower 1' in tramp iron separator, make the refrigeration tower 1' in superconducting deironing device enter
Row intensification deicing, wherein appendix 13 for being delivered to air blowing by the purging gas in gas supply part 11
Pipe 12, during conveying purging gas, the heating part 14 arranged on appendix 13 is used for
Purging gas is heated.The superconducting deironing device deicer that this utility model embodiment provides leads to
Cross above-mentioned sweeping process, can effectively the icing within superconducting deironing device be removed, be conducive to improving
Change the efficiency of cryocooler cold head 11', without superconducting deironing device is carried out rewarming evacuation after purging,
Save substantial amounts of human and material resources, reduce production cost.
It is last it is noted that above example is only in order to illustrate the technical solution of the utility model,
It is not intended to limit；Although this utility model being described in detail with reference to previous embodiment,
It will be understood by those within the art that: it still can be to described in foregoing embodiments
Technical scheme is modified, or wherein portion of techniques feature is carried out equivalent；And these are repaiied
Change or replace, not making the essence of appropriate technical solution depart from this utility model each embodiment technology
The scope of scheme.
Claims (10)
1. a superconducting deironing device deicer, it is characterised in that including:
Gas supply part, described gas supply part is provided with the first gas outlet；
Gas blow pipe, the first end of described gas blow pipe is provided with the second gas outlet；
Appendix, the first end of described appendix is connected with described first gas outlet, described gas transmission
Second end of pipe is connected with the second end of described gas blow pipe；
For the heating part of heating and blowing gas, described heating part is arranged on described appendix.
Superconducting deironing device deicer the most according to claim 1, it is characterised in that: described
Superconducting deironing device deicer also includes that pressure regulator valve, described pressure regulator valve are arranged on described appendix.
Superconducting deironing device deicer the most according to claim 1, it is characterised in that: described
Superconducting deironing device deicer also includes protective cover, described protective cover is provided with inlet end and gives vent to anger
End, described inlet end is fixed on the outer side surface of the first end of described gas blow pipe, described protective cover
Internal diameter along described inlet end to described outlet side direction on be gradually increased.
Superconducting deironing device deicer the most according to claim 1, it is characterised in that: described
Gas supply part is helium tank.
Superconducting deironing device deicer the most according to claim 1, it is characterised in that: described
First end of gas blow pipe is provided with air blow gun, and the inflatable mouth of described air blow gun is the second gas outlet.
Superconducting deironing device deicer the most according to claim 1, it is characterised in that: described
Heating part is heat exchanger.
Superconducting deironing device deicer the most according to claim 1, it is characterised in that: described
Appendix is flange-connection stainless steel metal flexible pipe.
Superconducting deironing device deicer the most according to claim 2, it is characterised in that: described
Pressure regulator valve and described appendix Flange joint.
Superconducting deironing device deicer the most according to claim 6, it is characterised in that: described
Heat exchanger and appendix Flange joint.
10., according to the superconducting deironing device deicer described in claim 1-9 any one, it is special
Levy and be: described superconducting deironing device deicer also includes quick union, the two of described quick union
End is respectively arranged with female thread, and the end of the second end of described appendix is provided with external screw thread, described
Second end of gas blow pipe is provided with external screw thread, the second end of appendix and the second end of described gas blow pipe
It is spirally connected by quick union.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620023354.2U CN205463446U (en) | 2016-01-11 | 2016-01-11 | Defroster of superconductive de -ironing separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620023354.2U CN205463446U (en) | 2016-01-11 | 2016-01-11 | Defroster of superconductive de -ironing separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205463446U true CN205463446U (en) | 2016-08-17 |
Family
ID=56666910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620023354.2U Active CN205463446U (en) | 2016-01-11 | 2016-01-11 | Defroster of superconductive de -ironing separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205463446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314589A (en) * | 2017-07-31 | 2017-11-03 | 中国神华能源股份有限公司 | The refrigeration tower and control method of superconducting deironing device |
| CN109954726A (en) * | 2018-11-30 | 2019-07-02 | 江苏峰质激光科技有限公司 | A kind of carbon dioxide laser generation can washing apparatus |
-
2016
- 2016-01-11 CN CN201620023354.2U patent/CN205463446U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314589A (en) * | 2017-07-31 | 2017-11-03 | 中国神华能源股份有限公司 | The refrigeration tower and control method of superconducting deironing device |
| CN109954726A (en) * | 2018-11-30 | 2019-07-02 | 江苏峰质激光科技有限公司 | A kind of carbon dioxide laser generation can washing apparatus |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |