CN218774215U - Fire extinguisher for preventing secondary reburning of perfluorohexanone - Google Patents
Fire extinguisher for preventing secondary reburning of perfluorohexanone Download PDFInfo
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- CN218774215U CN218774215U CN202222960395.2U CN202222960395U CN218774215U CN 218774215 U CN218774215 U CN 218774215U CN 202222960395 U CN202222960395 U CN 202222960395U CN 218774215 U CN218774215 U CN 218774215U
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- fire
- storage box
- extinguishing device
- glass
- mechanical timer
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- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical compound FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000011521 glass Substances 0.000 claims abstract description 68
- 239000003814 drug Substances 0.000 claims description 39
- 239000003795 chemical substances by application Substances 0.000 claims description 28
- 238000009413 insulation Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 24
- 229940079593 drug Drugs 0.000 description 6
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000191291 Abies alba Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 241001272720 Medialuna californiensis Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a prevent secondary after-combustion perfluorohexanone fire extinguisher, including storing the box, setting up at the nozzle of storing the bottom of the case end and setting up at the inside mechanical timer of storing the box, be provided with first extinguishing device and second extinguishing device in storing the box, be provided with the first temperature sensing glass who puts out a fire with triggering that mechanical timer is connected in the first extinguishing device, be provided with the second temperature sensing glass who triggers the secondary of triggering that exposes by mechanical timer after first extinguishing device puts out a fire in the second extinguishing device. The advantage, the utility model discloses utilize the broken first extinguishing device that triggers of first thalposis glass to put out a fire for the first time, can trigger mechanical timer when first thalposis glass is broken simultaneously and start, after mechanical timer countdown, mechanical timer can open the heat exchanger that separates of the outside cover of second thalposis glass for second thalposis glass exposes externally, and second thalposis glass breaks and triggers second extinguishing device and put out a fire once more after the intensity of a fire reburning, effectively prevents the reburning.
Description
Technical Field
The utility model relates to a fire extinguisher capable of preventing secondary reburning of perfluorohexanone.
Background
In various disasters, a fire disaster is one of the main disasters which most frequently and most commonly threaten public safety and social development, wherein an electrical appliance fire disaster accounts for the highest proportion in common fires, high-temperature weather frequently occurs in recent years, the situation that spontaneous combustion occurs in some power distribution cabinets is increasingly increased, and serious threats are caused to the safety of lives and properties of people, so that some enterprises need to frequently perform fire-proof inspection on the power distribution cabinets, but fire outburst problems still exist, a self-starting fire extinguisher is usually arranged in the power distribution cabinets, perfluorohexanone is used as a fire extinguishing agent at the same time, the perfluorohexanone is gasified after being sprayed, a large amount of heat can be absorbed, the temperature of a fire scene is reduced, the oxygen concentration of a combustion area is reduced in the fire scene after the perfluorohexanone is gasified, the effect of extinguishing fire is achieved, the fire extinguishing effect is good, the harm to the environment and electrical equipment can be almost ignored, but the existing self-starting fire extinguishing device does not have a secondary fire extinguishing function, and the device which cannot extinguish fire again or needs to be connected with a power supply when the fire occurs in a fire again, and is started electrically, if a line is burned, the fire extinguishing device cannot be failed.
In Chinese patent: 202210480884.X, title of invention: a lithium battery afterburning prevention fire extinguishing device and an economic fire extinguishing agent spraying method thereof are disclosed, wherein the device comprises one or more infrared temperature monitoring modules, a communication control power supply bus, an alarm linkage host, fire extinguishing agent nozzles corresponding to the infrared temperature monitoring modules, electromagnetic valves corresponding to the fire extinguishing agent nozzles and fire extinguishing agent containers.
This patent is accurate to whether survey the conflagration of taking place through temperature monitoring module, then recycles the solenoid valve and opens the fire extinguisher and put out a fire, and this patent exists the secondary and puts out a fire and prevent the after combustion function, but the device is whole to all need circuit control, and if the circuit was burnt out then the device is whole to be become invalid when the conflagration, exists the start unstable condition of putting out a fire.
In addition, in chinese patent: 201210050401.9, entitled: a linear temp-sensing self-starting ultrahigh-pressure fire-extinguishing agent releasing device is composed of nozzle valve body, impact body, starting spring, impact tool bit, nozzle and diaphragm.
This patent is mainly that temperature sensing detecting tube blasting pressure release makes reset spring promote the piston and removes, and drive half moon axial displacement, make the impact body drop, the striking tool bit strikes the diaphragm rapidly and perforates to start release fire extinguishing agent and put out a fire, the device need not use electricity, and the stability of putting out a fire when guaranteeing the conflagration and taking place nevertheless does not possess the secondary ability of putting out a fire, can not prevent the intensity of a fire from reburning.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the existing self-starting fire extinguishing device mentioned in the technical background is unstable in fire extinguishing starting and does not have secondary fire extinguishing capability, and the problem of poor afterburning prevention is solved.
Aiming at the technical problem, a fire extinguisher for preventing secondary reburning of the perfluorohexanone is provided; the method is realized by the following technical scheme: the utility model provides a prevent secondary after-combustion perfluorohexanone fire extinguisher, is including storing the box, setting up at the nozzle of storing the bottom of the case end and setting up at the inside mechanical timer of storing the box, be provided with first extinguishing device and second extinguishing device in the storage box, be provided with the first temperature sensing glass that triggers first putting out a fire that is connected with mechanical timer in the first extinguishing device, be provided with the second temperature sensing glass that triggers the secondary and put out a fire that exposes by mechanical timer after first extinguishing device puts out a fire in the second extinguishing device.
The utility model discloses when taking place the condition of a fire, utilize the broken first extinguishing device that triggers of first temperature sensing glass to put out a fire for the first time, can trigger mechanical timer when first temperature sensing glass is broken simultaneously and start, after mechanical timer countdown ends, mechanical timer can open the heat exchanger that separates of the outside cover of second temperature sensing glass for second temperature sensing glass exposes externally, second temperature sensing glass breaks and triggers second extinguishing device and put out a fire once more after the intensity of a fire reburning, effectively prevents to reburn.
It is right the utility model discloses technical scheme's preferred, first extinguishing device is including the first medicine storage box of storing perfluor hexanone fire extinguishing agent and the first pressure gas cylinder that promotes fire extinguishing agent eruption in the first medicine storage box, first medicine storage box and the inside of first pressure gas cylinder setting at storage box, the port and the first medicine storage box of first pressure gas cylinder are connected, first temperature sensing glass sets up the lower extreme outside at storage box, expose in the air, the trigger rope of first temperature sensing glass and first pressure gas cylinder is connected, first temperature sensing glass's setting makes first temperature sensing glass can fracture when reacting to the condition of a fire and triggers first pressure cylinder pressure release, provide power for the blowout of fire extinguishing agent, the setting that first temperature sensing glass exposes in the air has strengthened the accuracy of first temperature sensing glass perception temperature, make in time effectually put out a fire, extinguishing device's accuracy has been improved, the stability that extinguishing device started has also been guaranteed to the while not use electric drive.
It is right the utility model discloses technical scheme's preferred second extinguishing device is including the second medicine storage box of storing perfluor hexanone fire extinguishing agent and the second pressure gas cylinder that promotes the fire extinguishing agent eruption in the second medicine storage box, second medicine storage box and the inside of second pressure gas cylinder setting at storage box, the port and the second medicine storage box of second pressure gas cylinder are connected, second temperature sensing glass sets up in the lower extreme outside of storing the box, expose in the air, the trigger rope of second temperature sensing glass and second pressure gas cylinder is connected, second temperature sensing glass's setting makes second temperature sensing glass can fracture when the anti-condition of a fire trigger second pressure cylinder pressure release, provide power for the blowout of fire extinguishing agent.
It is right the utility model discloses technical scheme's preferred, it has a heat exchanger that separates to cover at second thalposis glass outside to set up an iron sheet in separating the heat exchanger, separate the heat exchanger set up to second thalposis glass provides thermal-insulated protection, make when first thalposis glass is broken, second thalposis glass keeps intact, has strengthened the stability of device.
It is right the utility model discloses technical scheme's preferred, mechanical timer fixes inside storing the box, and be close to heat exchanger department and be provided with a magnet on mechanical timer, the inside reduction gear group of mechanical timer and hairspring can slow down regularly, be provided with a plurality of bosss on endmost reduction gear, a connection rope pot head is on the boss, an end system is on first temperature sensing glass, the setting of connection rope system on first temperature sensing glass makes mechanical timer remain stable before first temperature sensing glass is broken, countdown does not begin, the stability of device has been strengthened.
It is right to the utility model discloses technical scheme's preferred, be provided with the temperature sensing alarm on storing the inside lateral wall of box, the staff of being convenient for of setting up of temperature sensing alarm seeks the ignition, and it is more convenient to use.
Compared with the prior art, the utility model beneficial effect who has is:
the technical scheme of the utility model, the utility model discloses utilize first temperature sensing glass breakage to trigger first extinguishing device and put out a fire for the first time, can trigger mechanical timer when first temperature sensing glass is broken simultaneously and start, after mechanical timer countdown finishes, mechanical timer can open the heat exchanger that separates of the outside cover of second temperature sensing glass for second temperature sensing glass exposes externally, and second temperature sensing glass breaks and triggers second extinguishing device and put out a fire once more after the intensity of a fire reburning, effectively prevents to reburn.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic perspective view of the upper end of the storage box of the present invention.
Fig. 3 is a schematic diagram of the heat shield according to the present invention after being opened.
Fig. 4 is a schematic view of the three-dimensional explosion of the present invention.
Detailed Description
The technical solution in the embodiment of the present invention will be described in detail with reference to fig. 1 to 4 in the embodiment of the present invention.
Example 1
As shown in figure 1, a prevent secondary after-combustion perfluorohexanone fire extinguisher, including store box 1 and fix the nozzle 2 in storing box 1 bottom, set up at the inside mechanical timer 3 of storing box 1 and set up at the inside first extinguishing device 4 and the second extinguishing device 5 of storing box 1, it forms to store box 1 for the combination of two upper and lower threaded connection's cavity casings, be fixed with magnet and two-sided non-setting adhesive storing box 1 upper portion with glue for it can be convenient fix on various material objects to store box 1.
As shown in figures 1 and 2, a first fire extinguishing apparatus 4 and a second fire extinguishing apparatus 5 are placed in a hollow shell of a storage box 1, wherein the first fire extinguishing apparatus 4 comprises a first medicine storage box 41 for storing a perfluorohexanone fire extinguishing agent, the first medicine storage box 41 is fixed on the lower surface inside the storage box 1 through glue, a medicine outlet of the first medicine storage box 41 is communicated with a nozzle 2 through a conduit, in order to prevent the leakage of the fire extinguishing agent, the medicine outlet of the first medicine storage box 41 is sealed by a layer of aluminum foil paper, and in use, under the action of pressure in a first pressure gas cylinder 42, the fire extinguishing agent can break through the aluminum foil paper to extinguish fire.
A first pressure gas cylinder 42 communicated with the first medicine storage box 41 is arranged outside the first medicine storage box 41 of the first fire extinguishing device 4, the first pressure gas cylinder 42 is a pressure cylinder filled with compressed air, a trigger rope of the first pressure gas cylinder 42 is connected with first temperature-sensitive glass 43 clamped outside the bottom end of the first medicine storage box 1, when the first temperature-sensitive glass 43 is broken, the first pressure gas cylinder 42 is triggered to spray high-pressure gas into the first medicine storage box 41, and then the perfluorohexanone fire extinguishing agent in the first medicine storage box 41 is pushed to spray out, when the first temperature-sensitive glass 43 is broken, the traction on the first temperature-sensitive glass 43 is released, and the mechanical timer 3 starts to count down.
The first temperature-sensing glass 43 is clamped outside the bottom end of the storage box 1, and the first temperature-sensing glass 43 is exposed in the space as much as possible, so that the temperature change in the protection space can be sensed in time, and the response can be made.
As shown in fig. 1, 2 and 3, the second fire extinguishing apparatus 5 comprises a second drug storage box 51 for storing a perfluorohexanone fire extinguishing agent, the second drug storage box 51 is fixed on the lower surface of the interior of the storage box 1 through glue, the drug outlet of the second drug storage box 51 is communicated with the nozzle 2 through a conduit, in order to prevent the leakage of the fire extinguishing agent, the drug outlet of the second drug storage box 51 is sealed by a layer of aluminum foil paper, and the fire extinguishing agent can break through the aluminum foil paper to extinguish fire under the action of pressure in the second pressure gas cylinder 52 during use.
The second pressure gas cylinder 52 is arranged outside the second medicine storage box 51, a nozzle of the second pressure gas cylinder 52 is communicated with the second medicine storage box 51, the second pressure gas cylinder 52 is a pressure cylinder filled with compressed air, a trigger rope of the second pressure gas cylinder 52 is connected with second temperature-sensitive glass 53 clamped outside the bottom end of the storage box 1, and when the second temperature-sensitive glass 53 is broken, the second pressure gas cylinder 52 can be triggered to spray high-pressure gas into the second medicine storage box 51, so that a perfluorohexanone fire extinguishing agent in the second medicine storage box 51 is pushed to spray out.
The second temperature-sensing glass 53 is clamped outside the bottom end of the storage box 1, and the second temperature-sensing glass 53 is exposed in the space as much as possible, so that the temperature change in the protected space can be sensed in time, and in response, the outside of the second temperature-sensing glass 53 is covered with a heat insulation cover 54 for heat insulation, and a small iron sheet is stuck in the heat insulation cover 54.
As shown in fig. 1, 2, 3 and 4, a mechanical timer 3 is fixed by screws inside the storage box 1, the mechanical timer 3 is a deceleration timer made of a balance spring and a deceleration gear, and is a conventional device, and in order to ensure the starting time of the mechanical timer 3, a plurality of cylindrical bosses 31 are arranged on the outermost deceleration exit wheel of the mechanical timer 3, the bosses 31 and the first temperature sensing glass 43 are connected together by a traction rope, when the first temperature sensing glass 43 is broken, the traction to the bosses 31 is released, and then the starting of the mechanical timer 3 is triggered, and in addition, a magnet is connected to the last deceleration gear of the mechanical timer 3, the magnet attracts a small iron sheet on the heat insulation cover 54, and then the heat insulation cover 54 is controlled to cover the outside of the second temperature sensing glass 53.
When a fire disaster does not happen, the second temperature sensing glass 53 connected with the second fire extinguishing device 5 is in a state of being covered by the heat insulation cover 54, when the fire disaster happens, the first temperature sensing glass 43 can explode first to trigger the first fire extinguishing device 4 to extinguish the fire, at the moment, the second temperature sensing glass 53 is in a state of being protected by the heat insulation cover 54 and therefore cannot explode, when the first temperature sensing glass 43 explodes, the constraint on the mechanical timer 3 can be loosened, then the mechanical timer 3 is triggered to start, before the countdown of the mechanical timer 3 is finished, the perfluorohexanone fire extinguishing agent in the first fire extinguishing device 4 can submerge the space to extinguish the fire, and meanwhile, the temperature of the space is reduced, therefore, after the countdown of the mechanical timer 3 is finished, the magnet connected with the reduction gear can move away, the heat insulation cover 54 is opened to expose the second temperature sensing glass 53 inside, and the temperature of the space is reduced, so that the second temperature sensing glass 53 cannot explode.
The utility model discloses an implementation: this extinguishing device fixes at switch board or other needs protection departments through magnet or double faced adhesive tape on the top, first temperature sensing glass 43 can take the lead to explode and split when catching fire, and then trigger first pressure gas bottle 42 to spout compressed gas in first medicine storage box 41, under high-pressure gas's effect, perfluor hexanone fire extinguishing agent in first medicine storage box 41 can be spouted along nozzle 2 blowout and put out a fire, perfluor hexanone fire extinguishing agent can be spouted in 10 seconds and accomplish, can carry out the total flooding fire extinguishing to the space, reduce the temperature in space simultaneously, meanwhile trigger mechanical timer 3 when first temperature sensing glass 43 explodes and split and start, mechanical timer 3 can remove with the magnet of reducing gear connection after the countdown, and then open the second temperature sensing glass 53 that separates heat exchanger 54 and expose the inside, when the fire is reburning, second temperature sensing glass 53 can explode and split and trigger second extinguishing device 5 and put out a fire once more, effectively prevent the fire from reburning, the cost has been saved to the device without electricity simultaneously.
Example 2
After taking place a fire and extinguishing device puts out a fire again, the staff need in time find and restore impaired circuit, and the staff can not very convenient finding the definite place of taking place a fire when having a plurality of switch boards, consequently can increase the temperature sensing alarm in the inside of storing box 1 on embodiment 1's basis, the temperature sensing alarm includes buzzer siren and drive battery, and buzzer siren can send and last the police dispatch newspaper sound so that the staff seeks to get rid of when taking place a fire, and the temperature sensing alarm can use current temperature sensing alarm, and the staff of being convenient for investigate can.
Above embodiment only is for explaining the utility model discloses a technical thought can not be injectd with this the utility model discloses a protection scope, all according to the utility model provides a technical thought, any change of doing on technical scheme basis all falls into the utility model discloses within the protection scope.
Claims (6)
1. A fire extinguisher for preventing secondary reburning of perfluorohexanone is characterized in that: including storing box (1), setting in nozzle (2) of storing box (1) bottom and setting in storing inside mechanical timer (3) of box (1), be provided with first extinguishing device (4) and second extinguishing device (5) in storing box (1), be provided with in first extinguishing device (4) and trigger the first temperature sensing glass (43) of putting out a fire of first fire with mechanical timer (3) are connected, be provided with in second extinguishing device (5) and trigger the second temperature sensing glass (53) of putting out a fire of triggering the secondary that exposes by mechanical timer (3) after first extinguishing device (4) put out a fire.
2. The fire extinguisher for preventing the secondary reignition of the perfluorohexanone according to claim 1, wherein: first extinguishing device (4) are including storing first medicine storage box (41) of perfluorohexanone fire extinguishing agent and first pressure gas cylinder (42) that fire extinguishing agent erupted in first medicine storage box (41), first medicine storage box (41) and first pressure gas cylinder (42) set up in the inside of storing box (1), the port and first medicine storage box (41) of first pressure gas cylinder (42) are connected, first temperature sensing glass (43) set up in the lower extreme outside of storing box (1), expose in the air, the trigger rope of first temperature sensing glass (43) and first pressure gas cylinder (42) is connected.
3. The fire extinguisher for preventing the secondary reignition of the perfluorohexanone according to claim 1, wherein: the second fire extinguishing device (5) comprises a second medicine storage box (51) for storing a perfluorohexanone fire extinguishing agent and a second pressure gas cylinder (52) for pushing the fire extinguishing agent in the second medicine storage box (51) to be sprayed, the second medicine storage box (51) and the second pressure gas cylinder (52) are arranged inside the storage box (1), a port of the second pressure gas cylinder (52) is connected with the second medicine storage box (51), second temperature-sensitive glass (53) is arranged outside the lower end of the storage box (1) and exposed in the air, and the second temperature-sensitive glass (53) is connected with a trigger rope of the second pressure gas cylinder (52).
4. The fire extinguisher for preventing the secondary reignition of the perfluorohexanone according to claim 3, wherein: a heat shield 54 is covered outside the second temperature-sensitive glass 53, and an iron piece is provided inside the heat shield 54.
5. The fire extinguisher for preventing the secondary reignition of the perfluorohexanone according to claim 1, wherein: the mechanical timer (3) is fixed in the storage box (1), a magnet is arranged on the mechanical timer (3) close to the heat insulation cover (54), the speed reduction gear set and the hairspring in the mechanical timer (3) can reduce speed and time, a plurality of bosses (31) are arranged on the speed reduction gear at the tail end, one end of a connecting rope is sleeved on the bosses (31), and the other end of the connecting rope is tied on the first temperature-sensitive glass (43).
6. The fire extinguisher for preventing the secondary reignition of the perfluorohexanone according to claim 1, wherein: a temperature sensing alarm is arranged on the side wall in the storage box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222960395.2U CN218774215U (en) | 2022-11-07 | 2022-11-07 | Fire extinguisher for preventing secondary reburning of perfluorohexanone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222960395.2U CN218774215U (en) | 2022-11-07 | 2022-11-07 | Fire extinguisher for preventing secondary reburning of perfluorohexanone |
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| Publication Number | Publication Date |
|---|---|
| CN218774215U true CN218774215U (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222960395.2U Active CN218774215U (en) | 2022-11-07 | 2022-11-07 | Fire extinguisher for preventing secondary reburning of perfluorohexanone |
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| Country | Link |
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| CN (1) | CN218774215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117815601A (en) * | 2024-03-05 | 2024-04-05 | 四川特威特消防科技有限公司 | Perfluoro-hexanone multi-stage fire extinguishing device for electrical cabinet |
-
2022
- 2022-11-07 CN CN202222960395.2U patent/CN218774215U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117815601A (en) * | 2024-03-05 | 2024-04-05 | 四川特威特消防科技有限公司 | Perfluoro-hexanone multi-stage fire extinguishing device for electrical cabinet |
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