CN212205851U - Spontaneous combustion thing deals with device fast - Google Patents
Spontaneous combustion thing deals with device fast Download PDFInfo
- Publication number
- CN212205851U CN212205851U CN202020635280.4U CN202020635280U CN212205851U CN 212205851 U CN212205851 U CN 212205851U CN 202020635280 U CN202020635280 U CN 202020635280U CN 212205851 U CN212205851 U CN 212205851U
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- explosion
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- inner container
- rapid disposal
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 17
- 230000002269 spontaneous effect Effects 0.000 title claims abstract description 14
- 238000004880 explosion Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000000126 substance Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 239000003063 flame retardant Substances 0.000 claims description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000011490 mineral wool Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 38
- 229910052744 lithium Inorganic materials 0.000 abstract description 38
- 239000000779 smoke Substances 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 7
- 238000004200 deflagration Methods 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a spontaneous combustion thing deals with device fast, include double-deck explosion-proof bucket and set up in the closing cap at double-deck explosion-proof bucket top, the inlayer inside of double-deck explosion-proof bucket has held the fire extinguishing material. The double-layer explosion-proof barrel with the double-layer mechanism is arranged, so that the overlarge pressure of the inner container caused by explosion can be relieved, and the device is prevented from being damaged; the fire extinguishing material can effectively cool while insulating oxygen, and the disposal device can effectively resist high temperature and high heat and smoke dust generated by deflagration of the lithium battery after being sealed, and can prevent deflagration of the lithium battery. The utility model discloses can effectively deal with public places such as security installations scene and take place the lithium cell of burning, explosion to avoid the personnel injury and the personnel panic that burning, explosion lead to, and reach the appearance that reduces the public opinion through timely processing. The device is applicable to emergency treatment of emergency related to lithium batteries in passenger security check sites and other public places, can treat treatment of other substance combustion emergencies occurring on the sites under normal conditions, and is high in practicability.
Description
Technical Field
The utility model relates to a safety device field especially relates to a spontaneous combustion thing deals with device fast.
Background
In recent years, the use amount of electronic equipment is greatly increased, and each person can carry more than one piece of electronic equipment and a mobile power supply for supplying power to the equipment, so that the convenience is brought to the use, and meanwhile, the potential safety hazard is brought to the safety. Lithium batteries account for a high proportion of dangerous goods transported in the domestic and foreign aviation fields, and are also the main cause of fire in the aviation field in recent years. Generally, the lithium battery generates a large amount of smoke during the whole process from heat generation to spontaneous combustion to explosion (reaching 180 degrees and then generating deflagration) within 30 seconds to 90 seconds. The current airport security check field is to this processing mode for the form of physics water cooling-flourishing water with basin or bucket, through actual experiment, the phenomenon such as short circuit is fired, is exploded and splashes appear rapidly after the lithium cell generates heat, handles to have great potential safety hazard with water, has that the time is short, handles difficult, influences characteristics big.
In summary, how to design a disposal device capable of rapidly disposing spontaneous combustion of lithium batteries and other substances on site in a person-intensive place according to the ignition characteristics of the lithium batteries is a problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a device is dealt with fast to spontaneous combustion thing can effectively deal with public places such as security installations scene and take place the lithium cell of burning, explosion to avoid the personnel injury and the personnel panic that burning, explosion lead to, and the group nature incident that consequently leads to, and reach the appearance that reduces the public opinion through timely processing.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a spontaneous combustion thing deals with device fast, including double-deck explosion-proof bucket with set up in the closing cap at double-deck explosion-proof bucket top, the inlayer portion of double-deck explosion-proof bucket has held the fire extinguishing material.
Optionally, the double-layer explosion-proof barrel comprises a shell and an inner container sleeved inside the shell, and heat-insulating flame-retardant materials are filled in a side wall gap and a bottom gap between the inner container and the shell.
Optionally, the liner is a spiral steel pipe liner, and the side wall of the spiral steel pipe liner is provided with absorption holes; the shell is made of a stainless steel plate.
Optionally, the heat-insulating and flame-retardant material is rock wool.
Optionally, an inner support is installed at the bottom of the inner container, and a limiting component for preventing the inner container from slipping is arranged inside the top of the outer shell.
Optionally, the sealing cover comprises a stainless steel outer cover plate and a pressure relief inner baffle, and the pressure relief inner baffle is connected with the stainless steel outer cover plate through a pressure relief spring; the pressure relief inner baffle is used for sealing the inner container of the double-layer explosion-proof barrel.
Optionally, one end of the sealing cover is connected to the double-layer explosion-proof barrel through a hinge, and the other end of the sealing cover is provided with a buckling self-locking device.
Optionally, the detaining self-locking device is a container door lock device.
Optionally, the fire extinguishing material is a polymer gel.
Optionally, a plurality of moving wheels are arranged at the bottom of the double-layer explosion-proof barrel; the outer side wall of the double-layer explosion-proof barrel is provided with a handle.
The utility model discloses for prior art gain following technological effect:
the utility model provides a quick spontaneous combustion substance disposal device, which is provided with a double-layer explosion-proof barrel with a double-layer mechanism, can relieve the overlarge pressure of an inner container caused by explosion, and plays a role of preventing the device from being damaged; the fire extinguishing material can effectively cool and isolate oxygen, and the disposal device can effectively resist high temperature and high heat and smoke generated by deflagration of the lithium battery after being sealed, and can prevent deflagration of the lithium battery. The utility model discloses can effectively deal with public places such as security installations scene and take place the lithium cell of burning, explosion to avoid the personnel injury and the personnel panic that burning, explosion lead to, and reach the appearance that reduces the public opinion through timely processing. The device is applicable to emergency treatment of emergency related to lithium batteries related to a passenger security check site and other public places, can treat treatment of other substance combustion emergencies occurring on the site under common conditions, and has strong practicability and wide application range.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 inventive labor.
FIG. 1 is a schematic structural view of the device for rapidly disposing spontaneous combustibles of the present invention;
wherein the reference numerals are: 1. a double-layer explosion-proof barrel; 1-1, a shell; 1-2, an inner container; 1-3, heat-insulating flame-retardant material; 1-4, absorption holes; 1-5, inner support; 2. sealing the cover; 2-1, stainless steel outer cover plate; 2-2, a pressure relief inner baffle; 2-3, a pressure reducing spring; 3. a fire extinguishing material; 4. a hinge; 5. a locking device; 6. a moving wheel; 7. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a fast disposal device for disposing spontaneous combustion of lithium batteries and/or other substances in a security check site, which mainly includes the following five parts:
1. the lithium battery spontaneous combustion disposal device is internally provided with a novel fire extinguishing material 3, the fire extinguishing material 3 is preferably an existing high-molecular fire extinguishing gel, the use ratio is 1:150, the fire extinguishing material is in a viscous state, and splashing and other conditions cannot be generated; meanwhile, the fire extinguishing material also has the functions of removing smoke and harmful substances, and has good effect on extinguishing fire in public places; the lithium battery that will generate heat is put into wherein can reach the isolated oxygen of cooling and place the effect that splashes, can not cause the secondary disaster that the secondary short circuit arouses to the lithium battery simultaneously.
2. The double-layer explosion-proof barrel 1 is externally provided with a handle 7 and a moving wheel 6, and the carrying is flexible and the use is convenient.
3. The double-layer explosion-proof barrel 1 is provided with a double-layer mechanism, and the inner container 1-2 is a round spiral steel pipe and has the main functions that: firstly, containing fire extinguishing materials 3; secondly, impact and splashing generated by first-level explosion are effectively prevented; the shell 1-1 is made of a stainless steel plate with the thickness of 2mm, is used for preventing pressure generated by secondary impact, and is also used for containing a heat-insulating flame-retardant material 1-3 and an inner container 1-2; meanwhile, the bottom end of the inner container 1-2 is provided with more than two inner supports 1-5, and the opening of the outer shell 1-1 is provided with a limiting device (not shown in the figure) for keeping the inner container 1-2 at a fixed position all the time.
4. Rock wool is preferably adopted between the inner container 1-2 and the outer shell 1-1 for heat insulation and flame retardant, and after the middle rock wool is filled according to a certain proportion, if explosion occurs, the first layer of barrel decoration is supported, so that the pressure of the explosion on equipment is relieved; meanwhile, smoke and harmful substances generated by deflagration can be adsorbed through the adsorption holes 1-4 (arranged at the positions shown in figure 1).
5. The sealing cover 2 is preferably connected with the double-layer explosion-proof barrel 1 through two hinges 4 for folding; the buckling self-locking device 5 is arranged on the sealing cover 2 and the double-layer explosion-proof barrel 1, the buckling self-locking device 5 preferably adopts a container truck door lock device, the device can form a closed cavity, and once locking and explosion impact form reverse, the structure is firm. Meanwhile, the double-layer force-reducing and anti-riot arrangement is carried out on the sealing cover 2, so that the pressure of the inner container caused by explosion can be relieved, and the device is prevented from being damaged. The structure of the sealing cover 2 is as follows: firstly, a stainless steel outer cover plate 2-1 is used for sealing smoke dust and water vapor generated by secondary impact and blasting; the pressure relief inner baffle 2-2 with the explosion-proof function is positioned at the innermost side and can directly seal the spiral steel pipe inner container, and if the pressure relief inner baffle is covered, the inner container can effectively form a sealed cavity; and a pressure reducing spring 2-3 with the pressure reducing and anti-explosion functions is used for effectively connecting the pressure reducing inner baffle 2-2 and the stainless steel outer cover plate 2-1, and meanwhile, when the primary impact pressure generated by the inner container cavity is overlarge, the pressure generated by the primary impact is leaked.
The characteristics of lithium cell burning and explosion are known through the research to the lithium cell process of blasting to this embodiment, set up to inside and outside bilayer, do the second grade protection when effectively resisting the one-level explosion to effectively utilize inside and outside courage hollow portion to absorb harmful substance steam smoke and dust. Through comparing fire extinguishing materials such as water, sand, foam, dry powder, the novel fire extinguishing material that this embodiment used has the effect and the nature best of cooling, prevent splashing, fire-retardant, isolated oxygen, and the storage is stable. When substances such as lithium batteries and the like are spontaneously combusted in public places, the device can be closed to realize the effects of fire extinguishing and explosion prevention and realize zero emission of smoke dust on the outer side.
The characteristic that the stream of people is intensive on the security check site and the characteristic that this embodiment uses are combined, with overall arrangement and flow closely set up, and the personnel characteristics are combined simultaneously and relevant safeguard procedures are equipped, can promote the staff and solve the strain capacity of scene incident. The emergency handling procedure of the lithium battery related to the emergency is briefly described by taking the device as an example. Basic principles of treatment: people-oriented, safe first; rapid treatment and timely recovery; unified command and cooperative work division. Namely, avoid injury, avoid confusion and avoid the difficulty of short-time order recovery.
The method comprises the following steps: the on-site package opening or forward-transmission inspector of the tour inspection finds that the lithium battery is heated and sends a signal to inform all posts in the channel in time, and the package opening inspector receives or finds the heating information of the lithium battery and immediately hands the package needing to be opened and inspected to the starter; the front-end forward post personnel immediately guide personnel to exit from the access and close the access, the back personnel assist in evacuating the passengers in the access, the passengers in the access are ensured not to exist in the access, the starting personnel timely transfer the bags to be opened and inspected to the bag opening platform, and the bags which are inspected to be correct are timely evacuated to the back-end isolation area of the access; the start-up personnel should immediately start the emergency incident plan, inform leaders and outside order guide personnel to close the passage and withdraw to a safe distance of more than 3 meters away from the heating lithium battery at the highest speed;
step two: the method comprises the following steps that (1) preparation work is carried out by bag opening personnel according to an operation instruction, a protective mask and fireproof gloves are provided, a lithium battery is placed into a lithium battery disposal device by using a fetching clamp, lithium battery disposal equipment is closed, the disposal device is quickly moved to a safe position where personnel are scarcely clear after the personnel determine that the equipment is in a completely locked state, and the personnel are quickly evacuated to a safe distance for waiting;
and step three, only two persons are left in the channel to assist in observing the substance combustion condition in the device, the condition of the indicating device of the equipment (added with functions at the later stage) is observed after no reaction, and the indicating device is dragged out of the terminal building for disposal when the indicating device is in a normal value. Meanwhile, the relative leaders are informed, and the plan is relieved to recover the normal state;
step four: and (3) post-processing: firstly, checking whether personnel and equipment on site are injured or damaged, cleaning the site sanitation and restoring the checking order; the lithium battery is dealt with and is led to after two hours of stewing, carefully observe that the lithium battery barrel does not have the flue gas to emit and do not have the explosion sound after, incline the body again and loosen the kayser by the processing barrel back and open the bung, clear up and retrieve lithium battery processing barrel, with lithium battery processing barrel and relevant equipment playback.
Note that: before the heating lithium battery is not placed in the lithium battery disposal device, each post stops checking work, related leaders are informed according to the flow, related emergency plans are started, and meanwhile, safety distances between passengers and workers and the heating lithium battery are guaranteed, namely according to the experimental calculation of people, the time from heating to explosion of the lithium battery is about 90 seconds, so that six people in a channel need to evacuate and start the plans according to division of labor.
Therefore, the utility model provides a spontaneous combustion object rapid disposal device, which can relieve the pressure of the inner container caused by explosion from being too high and prevent the device from being damaged by arranging the double-layer explosion-proof barrel with the double-layer mechanism and matching with the double-layer force-reducing and anti-explosion function of the sealing cover; the rock wool that adds between two-layer section of thick bamboo wall, because outer section of thick bamboo wall is sealing device, if the explosion rises the inlayer bucket, smog will be along absorbing the hole and getting into in the rock wool between the outer section of thick bamboo wall, alleviate the pressure of explosion to equipment simultaneously. The device has the functions of explosion prevention, smoke isolation, noise elimination and the like, can effectively dispose the lithium battery which is burnt and exploded in public places such as a security check site and the like, avoids personnel injury and personnel panic caused by burning and explosion, reduces public sentiment through timely treatment, and is suitable for emergency disposal of emergency situations related to the lithium battery, which are related to the security check site of passengers and other public places. The disposal of other material combustion events occurring in the field can also be disposed of in general.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. A spontaneous combustion object rapid disposal device is characterized in that: the fire extinguishing bucket comprises a double-layer anti-explosion bucket and a sealing cover arranged at the top of the double-layer anti-explosion bucket, wherein fire extinguishing materials are contained in the inner layer of the double-layer anti-explosion bucket.
2. The device for the rapid disposal of pyrophoric compounds of claim 1, wherein: the double-layer explosion-proof barrel comprises a shell and an inner container sleeved inside the shell, and heat-insulating flame-retardant materials are filled in a side wall gap and a bottom gap between the inner container and the shell.
3. The device for the rapid disposal of pyrophoric compounds of claim 2, wherein: the liner is a spiral steel pipe liner, and the side wall of the spiral steel pipe liner is provided with absorption holes; the shell is made of a stainless steel plate.
4. The device for the rapid disposal of pyrophoric compounds of claim 2, wherein: the heat-insulating flame-retardant material is rock wool.
5. The device for the rapid disposal of pyrophoric compounds of claim 2, wherein: an inner support is installed at the bottom of the inner container, and a limiting component used for preventing the inner container from slipping is arranged inside the top of the outer shell.
6. The device for the rapid disposal of pyrophoric substances according to claim 1 or 2, characterized in that: the sealing cover comprises a stainless steel outer cover plate and a pressure relief inner baffle plate, and the pressure relief inner baffle plate is connected with the stainless steel outer cover plate through a pressure relief spring; the pressure relief inner baffle is used for sealing the inner container of the double-layer explosion-proof barrel.
7. The device for the rapid disposal of pyrophoric substances according to claim 1 or 2, characterized in that: one end of the sealing cover is connected with the double-layer explosion-proof barrel through a hinge, and the other end of the sealing cover is provided with a buckling self-locking device.
8. The device for the rapid disposal of pyrophoric compounds of claim 7, wherein: the detaining self-locking device is a container door lock device.
9. The device for the rapid disposal of pyrophoric compounds of claim 1, wherein: the fire extinguishing material is polymer gel.
10. The device for the rapid disposal of pyrophoric compounds of claim 1, wherein: the bottom of the double-layer explosion-proof barrel is provided with a plurality of moving wheels; the outer side wall of the double-layer explosion-proof barrel is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020635280.4U CN212205851U (en) | 2020-04-24 | 2020-04-24 | Spontaneous combustion thing deals with device fast |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020635280.4U CN212205851U (en) | 2020-04-24 | 2020-04-24 | Spontaneous combustion thing deals with device fast |
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| CN212205851U true CN212205851U (en) | 2020-12-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442703A (en) * | 2020-04-24 | 2020-07-24 | 内蒙古自治区民航机场集团有限责任公司呼和浩特分公司 | Spontaneous combustion thing deals with device fast |
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2020
- 2020-04-24 CN CN202020635280.4U patent/CN212205851U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442703A (en) * | 2020-04-24 | 2020-07-24 | 内蒙古自治区民航机场集团有限责任公司呼和浩特分公司 | Spontaneous combustion thing deals with device fast |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221207 Address after: 010000 Baita Airport, Hohhot, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Autonomous Region Civil Aviation Airport Group Co.,Ltd. Address before: 010020 Baita airport, Airport Road, Saihan District, Hohhot, Inner Mongolia Autonomous Region Patentee before: HOHHOT BRANCH OF INNER MONGOLIA AUTONOMOUS REGION CIVIL AVIATION AIRPORT GROUP CO.,LTD. |
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