CN110639141A - Fire extinguishing apparatus and automatic fire extinguishing isolation belt comprising same - Google Patents
Fire extinguishing apparatus and automatic fire extinguishing isolation belt comprising same Download PDFInfo
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- CN110639141A CN110639141A CN201911054457.XA CN201911054457A CN110639141A CN 110639141 A CN110639141 A CN 110639141A CN 201911054457 A CN201911054457 A CN 201911054457A CN 110639141 A CN110639141 A CN 110639141A
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- fire extinguishing
- initiator
- fire
- barrel body
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- 238000002955 isolation Methods 0.000 title claims abstract description 25
- 239000003999 initiator Substances 0.000 claims abstract description 39
- 239000012774 insulation material Substances 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000741 silica gel Substances 0.000 claims abstract description 10
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 10
- -1 4, 4' -oxo-bis-benzenesulfonyl Chemical group 0.000 claims abstract description 7
- 230000000977 initiatory effect Effects 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 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 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 3
- 230000002335 preservative effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 230000007480 spreading Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 9
- 238000004321 preservation Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 230000002265 prevention Effects 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
Abstract
The invention discloses a fire extinguishing device which comprises a barrel body and an initiator, wherein a through hole is formed in the bottom of the barrel body, the initiator is fixed at the through hole in a sealing mode through an elastic silica gel sealing ring, a fire extinguishing agent is sealed in the barrel body, the initiator is used for initiating and breaking when being heated or attacked by flame, and the through hole is opened to enable the fire extinguishing agent to flow out. The initiator adopts a temperature control powder initiator, and the inside of the initiator is sealed with powder which is violently expanded when meeting high temperature. 4, 4' -oxo-bis-benzenesulfonyl hydrazide is adopted as the powder. The detonator explosion-proof device further comprises an outer shell, and a through hole opposite to the detonator is formed in the bottom panel of the outer shell. Still disclose an automatic fire extinguishing median, include above-mentioned extinguishing device. According to the invention, the fire extinguishing device is arranged under the fireproof isolation belt, so that when the thermal insulation material below is on fire, the initiator is detonated to enable the fire extinguishing agent in the barrel body to flow onto the thermal insulation material on fire, the effects of isolating oxygen and reducing temperature are achieved, the fire is prevented from rapidly spreading upwards, the fire is extinguished in enough time, people are evacuated, and the life and property safety of people are protected.
Description
Technical Field
The invention relates to the field of fire fighting, in particular to a fire extinguishing device and an automatic fire extinguishing isolation belt comprising the same.
Background
In recent years, the external thermal insulation technology of the external wall of the high-rise building is widely applied under the promotion of national building energy-saving policies and regulations. But has great hidden trouble for the fire-proof safety of the external heat-insulating layer.
For the fire disasters of high-rise buildings, researches show that most of the fire disasters firstly start to burn from a room inside the building to escape from a window to the outside of the building, the fire rapidly spreads along the outside of the building and rapidly reaches the roof, then window glass of a layer passing by is burnt and then ignites the inside of the building, or the fire is originally ignited from the outside to cause the flame to rapidly rise and spread, and the fire is not burnt from the inside to the top. The reason is that most of the existing B-grade thermal insulation materials for the outer wall are inflammable materials. Aiming at the inflammable property of the existing B-level heat insulation material, a plurality of fireproof isolation belts adopting A-level heat insulation materials are arranged on the outer wall of a high-rise building as protection measures in practical operation. The A-level heat insulation material has good fireproof performance, has certain resistance to the fire of a rising flame, has limited effect, can not well control the rise of flame, and wins more escape time for people.
It can be seen that the above-mentioned existing fire barrier strips still have shortcomings and drawbacks, and further improvements are desired. How to create a new fire extinguishing device and an automatic fire extinguishing isolation belt comprising the fire extinguishing device, so that the fire extinguishing isolation belt can play the roles of fire prevention and fire extinguishment when a fire disaster happens, and flame is controlled in a certain floor area as much as possible, so that enough time is gained for fire extinguishment and disaster relief and crowd evacuation, the fire prevention safety of an external heat insulation layer of a building is improved, and the life and property safety of people are ensured.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a fire extinguishing device, which can play roles of fire prevention, fire extinguishment and fire isolation when a fire disaster happens, and control flame in a certain floor area as much as possible so as to gain enough time for fire extinguishment and disaster relief, crowd evacuation and improve fire prevention safety.
In order to solve the technical problem, the invention provides a fire extinguishing device which comprises a barrel body and an initiator, wherein a through hole is formed in the bottom of the barrel body, the initiator is fixed in the through hole in the bottom of the barrel body in a sealing mode through an elastic silica gel sealing ring, a fire extinguishing agent is sealed in the barrel body, and the initiator is used for initiating the initiator to the barrel body after being heated and enabling the fire extinguishing agent to flow out.
The improved electric detonator is a temperature control powder detonator, and the temperature control powder detonator is a glass detonator with the inner part sealed with powder capable of violently expanding when meeting high temperature.
In a further improvement, the powder adopts 4,4 '-oxybis-benzenesulfonyl hydrazide or a mixture containing 4, 4' -oxybis-benzenesulfonyl hydrazide.
The improved fire extinguisher is characterized in that the barrel body is made of flame-retardant plastic, the elastic silica gel sealing ring is made of a composite silica gel material made of a high polymer material, and the fire extinguishing agent is a long-acting liquid fire extinguishing solvent or solid dry powder containing a preservative.
The improved barrel is characterized in that a fixing rod is arranged at the top of the barrel body, and an anti-falling barb is arranged on the periphery of the fixing rod.
The improved barrel is further improved and further comprises a shell body of a cuboid structure, the barrel body and the initiator are arranged inside the shell body, a through hole is formed in the bottom panel of the shell body, and the initiator and the through hole are arranged oppositely.
In a further improvement, the inner cavity of the outer shell is divided into a first cavity and a second cavity by a partition plate, the first cavity is used for placing heat insulation materials with the heat conductivity coefficient less than or equal to 0.008 w/m.k, and the barrel body and the initiator are placed in the second cavity.
The improvement is further improved, the long-edge side panel of shell body outside is provided with a plurality of T type bonding reinforcing nails, the ventilation hole has still been seted up on minor face side panel, top panel and the bottom panel of shell body.
The invention also provides an automatic fire extinguishing isolation belt which comprises the fire extinguishing device.
In a further improvement, the fire extinguishing device is arranged at a cavity at the lower part of the fireproof isolation belt outside the structure wall body, or at a cavity at the upper part of the heat insulation material below the fireproof isolation belt, or on the structure wall body between the fireproof isolation belt and the heat insulation material below the fireproof isolation belt.
After adopting such design, the invention has at least the following advantages:
1. according to the fire extinguishing device, the detonator is arranged at the bottom of the barrel body, so that the detonator can be rapidly detonated when the ignition temperature below the detonator rises, the through hole at the bottom of the barrel body is opened, the fire extinguishing agent in the barrel body flows out instantaneously, the fire extinguishing agent can effectively and timely destroy the combustion condition of a combustion area, the effect of cooling or isolating oxygen is achieved, and the effect of inhibiting the fire growth or extinguishing fire is achieved.
2. According to the invention, by utilizing the principle that the foaming agent rapidly foams and expands, chemical powder which can be violently expanded when meeting high temperature is sealed in the glass container to form the temperature-controlled powder initiator which can be initiated within 5 seconds when the temperature reaches 130 ℃, so that the purposes of rapid and timely initiation are achieved, normal transportation and installation steps can be realized, and the temperature-controlled powder initiator is simple in structure, safe and convenient.
3. Still through setting up the dead lever at the staving top, and set up the anticreep barb on the dead lever, conveniently realize this staving and rather than the installation of top fixed material, prevent its slippage, do benefit to this extinguishing device's transportation safety.
4. Still through setting up the shell body, realize the protection to staving and detonator. And through set up the baffle in the shell body is inside, separate into two appearance chambeies with the shell body inner chamber, one of them holds the chamber and is used for placing the insulation material that coefficient of heat conductivity is less than or equal to 0.008w/m k for compensate the reduction of the heat preservation effect that this extinguishing device occupation space brought, reasonable in design accords with the environmental protection demand of the outer insulation construction of building, guarantees that the outer energy-conserving heat preservation effect of building satisfies the industry standard.
5. Still through set up a plurality of T types bonding reinforcing nails in the outer casing side panel outside, be convenient for improve this shell body and its surrounding cement mortar's grabbing power and frictional force, increase this extinguishing device's installation security.
6. According to the automatic fire extinguishing isolation belt, the fire extinguishing device is fixed to the lower portion of the existing fire extinguishing isolation belt, or is arranged on the upper portion of the thermal insulation material below the fire extinguishing isolation belt, or is arranged between the fire extinguishing isolation belt and the thermal insulation material below the fire extinguishing isolation belt, so that when the thermal insulation material below the fire extinguishing isolation belt catches fire, a detonator of the fire extinguishing device is detonated along with the rise of temperature, long-acting fire extinguishing agents in the barrel body flow out of the barrel body and flow onto the thermal insulation material, the effects of isolating flames, reducing the temperature and blocking the fire from rapidly spreading upwards are achieved, the flames are controlled in a certain floor area to the greatest extent, enough time is gained for fire extinguishing and disaster relief, people are evacuated, and the fire safety of the thermal.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
FIG. 1 is a front view of the fire extinguishing apparatus of the fire extinguishing system of the present invention installed between the fire extinguishing system and the insulation material below the fire extinguishing system.
Fig. 2 is a side view of the structure of fig. 1.
Fig. 3 is a schematic view showing the construction of the fire extinguishing apparatus according to the present invention.
Fig. 4 is a schematic structural view of an outer case of the fire extinguishing apparatus of the present invention.
Fig. 5 is a schematic view of the fire extinguishing apparatus of the present invention disposed in the outer case.
FIG. 6 is a bottom view of the structure of FIG. 5
Fig. 7 is a side view of the structure in which fire extinguishing means is provided at the lower end of the fire barrier in the fire barrier according to the present invention.
FIG. 8 is a side view showing the structure in which the fire extinguishing apparatus is installed at the upper end of the heat insulating material under the fire-extinguishing partition belt in the automatic fire-extinguishing partition belt of the present invention.
Fig. 9 is a schematic structural view of another embodiment of the bucket body of the fire extinguishing apparatus according to the present invention.
Fig. 10 is a side view of the structure of fig. 9.
Detailed Description
The invention relates to an improvement of a fireproof isolation belt of an external heat insulation layer of the existing building to form a BL automatic fire extinguishing isolation belt. This BL automatic fire extinguishing median passes through the extinguishing device who contains ability detonating, and when the insulation material below the fire prevention median catches fire, the realization that can be timely is put out a fire to insulation material's cooling, blocks that the intensity of a fire upwards spreads fast, and as far as possible controls flame in certain floor area territory to win the sufficient time and put out a fire and rescue a disaster, evacuate crowd, improve the fire safety nature of building outer heat preservation. The improved self-extinguishing isolation belt of the utility model has the following specific embodiments.
Referring to fig. 1 and 2, in the automatic fire extinguishing partition strip of the present embodiment, a fire extinguishing device 3 is disposed between a conventional fire extinguishing partition strip 1 and an insulation material 2 therebelow. The existing fireproof isolation belt 1 is made of A-level heat insulation materials, the heat insulation materials 2 below the fireproof isolation belt 1 are B1-level heat insulation materials, and the A-level heat insulation materials and the B1-level heat insulation materials are fixed on a structural wall 5 through bolts.
Referring to fig. 3, the fire extinguishing apparatus 3 includes a barrel 31 and an initiator 32. A through hole is formed in the bottom of the barrel body 31, the initiator 32 is fixed to the through hole in the bottom of the barrel body 31 in a sealing mode through the elastic silica gel sealing ring 33, a fire extinguishing agent is sealed inside the barrel body 31, and the initiator 32 is used for initiating fire to the barrel body after being heated to enable the fire extinguishing agent to flow out.
The initiator 32 is a temperature-controlled powder initiator, and a powder substance which expands violently when meeting high temperature, such as a foaming agent 4,4 '-oxybis-benzenesulfonyl hydrazide or a mixture containing the 4, 4' -oxybis-benzenesulfonyl hydrazide, is sealed in the temperature-controlled powder initiator. The initiator utilizes the principle that the foaming agent-4, 4 '-oxybis-benzenesulfonyl hydrazide can quickly foam and expand, and is sealed in a glass container, and the foaming agent-4, 4' -oxybis-benzenesulfonyl hydrazide can be violently expanded when meeting high temperature, so that a temperature-controlled powder initiator which can be initiated within 5 seconds when the temperature reaches 130 ℃ is formed, rapid and timely initiation is achieved, and normal transportation and installation steps can be realized.
In this embodiment, the barrel 31 is made of flame retardant plastic. The elastic silica gel sealing ring 33 is made of a composite silica gel material made of a high polymer material, has good elasticity tolerance and can keep the elasticity for more than 20 years. The fire extinguishing agent adopts liquid fire extinguishing solvent. The liquid fire extinguishing solvent can be a long-acting fire extinguishing agent added with a preservative, so that the shelf life of the liquid fire extinguishing solvent is as long as 30 years, and the long-acting fire extinguishing agent is always in an effective state within the service life of the outer heat-insulating layer. The liquid fire extinguishing solvent also includes water. Of course, the fire extinguishing agent can also adopt solid dry powder which can play a certain role in inhibiting the fire from rapidly rising.
For the convenience of installation, the fire extinguishing apparatus in this embodiment further includes an outer casing 4 of rectangular parallelepiped structure, and the fire extinguishing apparatus 3 is fixed on the side wall of the outer wall 5 of the building through the outer casing 4. Referring to fig. 4 to 6, the barrel 31 and the initiator 32 are both disposed inside the outer casing 4, a through hole 41 is formed on a bottom panel of the outer casing 4, and the initiator 32 is disposed opposite to the through hole 41, i.e., the flame directly acts on the initiator 32 from the through hole 41, so that the initiator 32 can be rapidly initiated to perform the functions of extinguishing fire and suppressing the spread of flame in time.
The inner cavity of the outer shell 4 is divided into a first cavity 44 and a second cavity 45 by a longitudinal partition 42, the first cavity 44 is arranged close to the structural wall 5 and used for placing a heat insulation material 43 with a heat conductivity coefficient less than or equal to 0.008 w/m.k, and the barrel body 31 and the initiator 32 are placed in the second cavity 45. This shell body 4 not only does benefit to extinguishing device 3's installation like this, makes easy operation convenient, can also satisfy the actual work in-process, owing to the building outer heat preservation lacks or the problem that the attenuation leads to the building outer heat preservation effect to worsen behind this extinguishing device installation, and the insulation material 43 that the coefficient of heat conductivity is low is installed to shell body 4 internally mounted outside, can guarantee the heat preservation effect of building outer heat preservation, makes it satisfy the industry standard, reaches energy-concerving and environment-protective requirement.
Furthermore, a plurality of T-shaped reinforcing nails 46 are arranged on the outer side of the long-side panel of the outer shell 4, so that the gripping force and the friction force between the special shell 4 and cement mortar around the special shell are improved, and the installation firmness of the fire extinguishing device 3 and the special shell 4 is improved.
The short side panel, the upper panel and the bottom panel of the outer shell 4 are also provided with vent holes 47, which is convenient for the flowing-out of the fire extinguishing agent.
Of course, the outer casing 4 can also be fixedly arranged in the cavity at the lower part of the fire barrier 1, as shown in fig. 7. Or at the concave cavity of the upper part of the thermal insulation material 2 below the fire-barrier strip 1, as shown in figure 8.
Another embodiment of the installation of the fire extinguishing apparatus 3 of the present invention is that, referring to fig. 9 and 10, a fixing rod 34 is provided on the top of the barrel 31 of the fire extinguishing apparatus 3, and the fixing rod 34 is provided with an anti-dropping barb 35 on the periphery. The length of the anti-falling barb 35 is 4-6 mm. This extinguishing device's staving 31 can utilize the bottom of dead lever 34 disect insertion fire isolating area 1 at its top like this to because the effect of anticreep barb 35 plays further firm effect, avoid installing and deviate from down at the extinguishing device 3 of 1 bottoms of fire isolating area, improve the security.
In this embodiment, the fixing rod 34 may also be a hollow fixing rod formed by extending upward through the top of the barrel 31, so as to increase the volume of the chamber of the barrel 31, store more fire extinguishing agent, and improve the fire extinguishing effect.
Other contents in this embodiment are the same as those in the above embodiment, and are not described herein again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.
Claims (10)
1. The fire extinguishing device is characterized by comprising a barrel body and an initiator, wherein a through hole is formed in the bottom of the barrel body, the initiator is fixed at the through hole in the bottom of the barrel body in a sealing mode through an elastic silica gel sealing ring, a fire extinguishing agent is sealed inside the barrel body, and the initiator is used for initiating fire to the barrel body after being heated and enabling the fire extinguishing agent to flow out.
2. The fire extinguishing apparatus according to claim 1, wherein the initiator is a temperature-controlled powder initiator, and the temperature-controlled powder initiator is a glass initiator having powder sealed therein which is capable of being violently expanded when exposed to high temperature.
3. The fire extinguishing apparatus of claim 2, wherein the powder is 4,4 '-oxybis-benzenesulfonyl hydrazide or a mixture comprising 4, 4' -oxybis-benzenesulfonyl hydrazide.
4. The fire extinguishing apparatus according to claim 1, wherein the barrel body is made of flame-retardant plastic, the elastic silica gel sealing ring is made of a composite silica gel material made of a high polymer material, and the fire extinguishing agent is a long-acting liquid fire extinguishing solvent containing a preservative or solid dry powder.
5. The fire extinguishing apparatus as claimed in any one of claims 1 to 4, wherein the top of the barrel is provided with a fixing rod, the periphery of which is provided with an anti-dropping barb.
6. The fire extinguishing device according to any one of claims 1 to 4, further comprising an outer housing of a rectangular parallelepiped structure, wherein the barrel and the initiator are both disposed inside the outer housing, a through hole is opened on a bottom panel of the outer housing, and the initiator is disposed opposite to the through hole.
7. The fire extinguishing apparatus of claim 6, wherein the interior cavity of the outer housing is divided by a partition into a first volume for receiving insulation having a thermal conductivity of 0.008 w/m-k or less and a second volume for receiving the barrel and initiator.
8. The fire extinguishing apparatus according to claim 6, wherein a plurality of T-shaped bonding reinforcing nails are provided on the outer side of the long-side panel of the outer casing, and ventilation holes are further provided on the short-side panel, the upper panel and the bottom panel of the outer casing.
9. An automatic fire extinguishing isolation belt, characterized by comprising the fire extinguishing apparatus according to any one of claims 1 to 8.
10. The fire suppression insulation strip according to claim 9, wherein said fire extinguishing means is provided at a lower cavity of the fire insulation strip outside the structural wall, or at an upper cavity of the insulation material below the fire insulation strip, or on the structural wall between the fire insulation strip and the insulation material below it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054457.XA CN110639141A (en) | 2019-10-31 | 2019-10-31 | Fire extinguishing apparatus and automatic fire extinguishing isolation belt comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054457.XA CN110639141A (en) | 2019-10-31 | 2019-10-31 | Fire extinguishing apparatus and automatic fire extinguishing isolation belt comprising same |
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| CN110639141A true CN110639141A (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911054457.XA Pending CN110639141A (en) | 2019-10-31 | 2019-10-31 | Fire extinguishing apparatus and automatic fire extinguishing isolation belt comprising same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111946724A (en) * | 2020-08-06 | 2020-11-17 | 消之源科技技术有限公司 | Intelligent fire extinguishing gasket and preparation method thereof |
| CN113445653A (en) * | 2021-05-27 | 2021-09-28 | 中电建铁路建设投资集团有限公司 | Decoration furred ceiling with fire control function of putting out a fire |
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