CN102247678B - Novel explosion-proof pressure relief device and aerosol fire extinguisher using same - Google Patents
Novel explosion-proof pressure relief device and aerosol fire extinguisher using same Download PDFInfo
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- CN102247678B CN102247678B CN2011101694285A CN201110169428A CN102247678B CN 102247678 B CN102247678 B CN 102247678B CN 2011101694285 A CN2011101694285 A CN 2011101694285A CN 201110169428 A CN201110169428 A CN 201110169428A CN 102247678 B CN102247678 B CN 102247678B
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Abstract
The invention provides a novel explosion-proof pressure relief device. The novel explosion-proof pressure relief device is characterized in that organic plates with poor compression resistance or inorganic plates or heat-resistant films are adopted to define a closed space; when gas can not flow through the space smoothly, the pressure in the space is increased; and when the pressure exceeds a pressure limit of a heat insulation member, the heat insulation member cracks automatically to release the pressure, and thus explosion is prevented. In a fire extinguisher equipped with the explosion-proof pressure relief device, gas generated by a gas generator enters a dust-removing and cooling device via the explosion-proof pressure relief device rather than entering the dust-removing and cooling device directly. Accordingly, in case of pressure rise due to blockage of the dust-removing and cooling device or accumulation of excessive gases generated by the gas generator, the heat insulation member cracks in advance so that the gas is released into a box body and then discharged through a gas outlet which is formed on the box body, and thus explosion of the fire extinguisher is prevented,the fire extinguisher is safer and more reliable and the service life of the fire extinguisher is ensured.
Description
Technical field
The present invention relates to a kind of pressure control device that guarantees safe pressure in the closed container, relate in particular to the explosion-proof relief device that a kind of aerosol fire-extinguishing device uses.
Background technology
Existing aerosol fire-extinguishing equipment mainly contains aerosol fire-extinguishing bullet and aerosol fire-extinguishing device, generally is made up of housing or casing, gas generator, ignition mechanism, cooling layer model or cooling system.During use, pyrotechnic charge column is lighted by ignition mechanism, and burning forms the aerosol that contains a large amount of solid particles, produces the SS and the inert gas of enough concentration, is released to the space that catches fire, and suppresses flame combustion, and makes fray-out of flame.Hot-gas sol fire extinguishing agent compares with other extinguishing chemical that to have simple, cheap, a no burn into of device pollution-free, nontoxic, does not damage the ozone layer little residual thing, advantages such as high-speed and high-efficiency, total flooding, comprehensive fire extinguishing.
Hot aerosol fire extinguisher on the market is provided with gas generator, dedusting cooler (that is cooling layer model or cooling system); Its structure assembling mode generally is: be installed in dedusting cooler the inside to gas generator earlier; And the cooler shell generally is welded into a circle or square straight tube (that is housing or casing) by the 1.5mm steel plate; And coat the thick insulator of 10mm to 20mm at this straight tube inwall; In cooler, put into an amount of cooling ball and cast iron, seal straight-through top with orifice plate at last.
Adopt this package assembly; In fact form an integral body to gas generator and cooler; And the fire extinguishing property gas that gas generator produces can only be discharged as the gas outlet through cooler, if gas generator generation gas is too fast or too much, when perhaps cooler causes cause clogging for some reason; Fire-suppressant gas will can not get smooth release; Will cause the air pressure in the cooler to increase sharply like this, thereby finally cause the pressure in the cooler explosion phenomenon to occur, influence the security and the service life of condensed aerosol fire extinguishing device above its scope that can bear.
Summary of the invention
To above problem, the present invention provide a kind of have the new type explosion proof pressure relief device, can guide the smooth and easy discharge of fire extinguishing property gas, the pressure that prevents cooler is excessive and the aerosol fire-extinguishing device of blasting.
The present invention realizes through following technical scheme:
A kind of new type explosion proof pressure relief device; Be arranged in the casing of aerosol fire-extinguishing device; Wherein, Said new type explosion proof pressure relief device has the shell body that fire-proof and thermal-insulation spare is processed, and this new type explosion proof pressure relief device shell body has hollow structure, is provided with fire extinguishing property gas generating unit in this hollow structure; This new type explosion proof pressure relief device also has gas dedusting heat sink UNICOM in the casing with the aerosol fire-extinguishing device, that be used to derive fire extinguishing property gas to the dedusting heat sink that said fire extinguishing property gas generating unit produces derives end, and the compression strength of said fire-proof and thermal-insulation spare is for being less than or equal to 4000 Pa.
Further, said fire-proof and thermal-insulation spare compression strength is 1000Pa to 3000Pa.
Further, described fire-proof and thermal-insulation spare compression strength is 1800Pa.
The another step, said fire-proof and thermal-insulation spare material is any one in organic plates or inorganic board or the heat-resistant film.
Again one the step, the shell body of said new type explosion proof pressure relief device comprises: four fire-proof heat insulation boards and four angle bar, said four fire-proof heat insulation boards are fixed into the hollow frame structure by four angle bar.
In addition, said new type explosion proof pressure relief device comprises: be arranged on the electronic starter in the hollow structure wherein, this electronic starter is connected with said fire extinguishing property gas generating unit; Said electronic starter is the work flip flop equipment of this fire extinguishing property gas generating unit.
A kind of aerosol fire-extinguishing device; Comprise casing; Be arranged on the dedusting heat sink in this casing, comprise also and the new type explosion proof pressure relief device of said dedusting heat sink UNICOM that this new type explosion proof pressure relief device is fixed between box bottom and the dedusting heat sink; Wherein, said new type explosion proof pressure relief device adopts the new type explosion proof pressure relief device of said structure.
Further, said cooling dust arrester comprises the cooling ball in shell and filling and this shell.
Further, the shell of said cooling dust arrester is provided with passage by both ends of the surface up and down.
Beneficial effect of the present invention and advantage:
A kind of new type explosion proof pressure relief device provided by the invention adopts not high organic plates, person's inorganic board or the heat-resistant film of anti-pressure ability to surround confined space, and gas is by through this space the time; If can not smooth and easyly discharge; Cause the space internal pressure excessive, when surpassing the pressure limit that thermal insulation barriers bore, thermal insulation barriers can break automatically; Thereby pressure is discharged, prevent the situation of blast.Equipped the aerosol fire-extinguishing device of above-mentioned new type explosion proof pressure relief device, the gas that gas generating unit produced does not directly get into the dedusting heat sink, but gets into the dedusting heat sink again through the new type explosion proof pressure relief device; Design like this; When dedusting heat sink cause clogging or gas generating unit produced gas too much too fast and bulk deposition causes pressure to raise, thermal insulation barriers can be broken in advance, releases the gas in the casing; Discharge by the gas outlet on the casing again; Prevent that extinguishing device from blasting, make extinguishing device more safe and reliable, guarantee its service life.
Description of drawings
Fig. 1. a kind of new type explosion proof pressure relief device provided by the invention and use the volume rendering structural representation of the aerosol fire-extinguishing device of this device.
The specific embodiment
, carry out specifying in the present embodiment to the present invention below in conjunction with accompanying drawing and embodiment in order to make the object of the invention, technical scheme and advantage clearer.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
a kind of new type explosion proof pressure relief device 3 provided by the invention; Comprise and have the shell body that fire-proof and thermal-insulation spare is processed; This explosion-proof relief crust of the device body has hollow structure; Be provided with fire extinguishing property gas generating unit 5 in this hollow structure, this new type explosion proof pressure relief device also has compression strength that gas dedusting heat sink 2 UNICOMs in the casing 1 with the aerosol fire-extinguishing device, that be used to derive fire extinguishing property gas to the dedusting heat sink 2 that said fire extinguishing property gas generating unit 5 produces derives end (not shown) said fire-proof and thermal-insulation spare for being less than or equal to 4000 Pa.。
The shell body of
new type explosion proof pressure relief device comprises: four fire-proof heat insulation boards and four angle bar 6, said four fire-proof heat insulation boards are fixed into the hollow frame structure by four angle bar 6.
above-described new type explosion proof pressure relief device; Wherein fire-proof and thermal-insulation spare material can be any one in organic plates, inorganic board or the heat-resistant film etc.; Organic plates among the present invention is the material that does not belong to resistant to elevated temperatures a kind of sheet material organic plates: the chemical name of organic plates is Polystyrene (polystyrene); Be called for short GPPS; Inorganic board among the present invention can adopt like Chinese invention patent publication number CN101674931, denomination of invention: the inorganic board of the described or similar structures of a kind of inorganic board and preparation method thereof; Heat-resistant film among the present invention can adopt like Chinese invention patent publication number CN1531386; Denomination of invention: high temperature insulation film described in high temperature insulation film and the insulating method or similar heat-resistant film; The common trait of these materials is that anti-pressure ability is relatively poor; That is these fire-proof and thermal-insulation spare compression strength generally are adopted as 1000Pa to 3000Pa, when space pressure is increased to the limit that fire-proof and thermal-insulation spare can bear in device, and this fire-proof and thermal-insulation spare; Inorganic board, organic plates or heat-resistant film will be broken automatically, release pressure.
this new type explosion proof pressure relief device 3 also comprises: be arranged on the electronic starter 4 in the hollow structure wherein, this electronic starter 4 is connected with said fire extinguishing property gas generating unit 5; Said electronic starter 4 is the work flip flop equipment of this fire extinguishing property gas generating unit 5.Said electronic starter can adopt like Chinese invention patent publication number CN2338913, denomination of invention: the electronic starter of the said structure of electronic starter or the electronic starter of similar structures.
a kind of aerosol fire-extinguishing device; Comprise casing 1, gas generating unit 5 and dedusting heat sink 2; Also comprise new type explosion proof pressure relief device 3; This new type explosion proof pressure relief device 3 is fixed between casing 1 base plate and the dedusting heat sink 2, and said gas generating unit 5 is arranged in the new type explosion proof pressure relief device 3 and is fixed on casing 1 base plate, and the gas that said gas generating unit 5 produces gets into said dedusting heat sink 2 through said new type explosion proof pressure relief device 3.
dedusting heat sink 2 shells are the square containers that are welded by six block plates, and the steel plate of both ends of the surface is provided with venthole up and down, and the aperture is 10mm, has filled a large amount of cooling balls in the container.
After
gas generating unit 5 triggers startup work by electronic starter 4; Fire-suppressant gas is full of the interior space of new type explosion proof pressure relief device 3 earlier; Get into dedusting heat sink 2 through the venthole on the steel plate of dedusting heat sink 2 lower surfaces then, get into casing 1 and the shutter through casing 1 then and be discharged into and realized fire extinguishing in the guard space.When dedusting heat sink 2 occurs blocking when waiting smooth situation of ventilation; The fire-suppressant gas pressure that the new type explosion proof pressure relief device is 3 li can increase, and the fire-proof and thermal-insulation spare compression strength that adopts among the present invention is 1800Pa, therefore when pressure surpasses 1800Pa; The protection thermal insulation board will break automatically; This moment, most of gas was discharged in the protection zone through casing 1 shutter, had only few portion gas through dedusting heat sink 2, had so just avoided the explosion phenomenon of aerosol fire-extinguishing device.
Claims (2)
1. new type explosion proof pressure relief device; Be arranged in the casing of aerosol fire-extinguishing device; It is characterized in that; Said new type explosion proof pressure relief device has the shell body that fire-proof and thermal-insulation spare is processed, and this new type explosion proof pressure relief device shell body has hollow structure, is provided with fire extinguishing property gas generating unit in this hollow structure; This new type explosion proof pressure relief device also has gas dedusting heat sink UNICOM in the casing with the aerosol fire-extinguishing device, that be used to derive fire extinguishing property gas to the dedusting heat sink that said fire extinguishing property gas generating unit produces derives end, and the compression strength of said fire-proof and thermal-insulation spare is for being less than or equal to 4000 Pa.
2. a kind of new type explosion proof pressure relief device according to claim 1 is characterized in that said fire-proof and thermal-insulation spare compression strength is 1000Pa to 3000Pa.
3. a kind of new type explosion proof pressure relief device according to claim 1 is characterized in that described fire-proof and thermal-insulation spare compression strength is 1800Pa.
4. a kind of new type explosion proof pressure relief device according to claim 1 is characterized in that, said fire-proof and thermal-insulation spare material is any one in organic plates or inorganic board or the heat-resistant film.
5. a kind of new type explosion proof pressure relief device according to claim 1; It is characterized in that; The shell body of said new type explosion proof pressure relief device comprises: four fire-proof heat insulation boards and four angle bar, said four fire-proof heat insulation boards are fixed into the hollow frame structure by four angle bar.
6. a kind of new type explosion proof pressure relief device according to claim 1 is characterized in that, said new type explosion proof pressure relief device comprises: be arranged on the electronic starter in the hollow structure wherein, this electronic starter is connected with said fire extinguishing property gas generating unit.
7. aerosol fire-extinguishing device; Comprise casing; Be arranged on the dedusting heat sink in this casing, comprise also and the new type explosion proof pressure relief device of said dedusting heat sink UNICOM that this new type explosion proof pressure relief device is fixed between box bottom and the dedusting heat sink; It is characterized in that said new type explosion proof pressure relief device adopts above-mentioned new type explosion proof pressure relief device like claim 1 to 6 any structure.
8. a kind of aerosol fire-extinguishing device according to claim 7 is characterized in that, said cooling dust arrester comprises the cooling ball in shell and filling and this shell.
9. a kind of aerosol fire-extinguishing device according to claim 7 is characterized in that, the shell of said cooling dust arrester is provided with passage by both ends of the surface up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101694285A CN102247678B (en) | 2011-06-22 | 2011-06-22 | Novel explosion-proof pressure relief device and aerosol fire extinguisher using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101694285A CN102247678B (en) | 2011-06-22 | 2011-06-22 | Novel explosion-proof pressure relief device and aerosol fire extinguisher using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102247678A CN102247678A (en) | 2011-11-23 |
| CN102247678B true CN102247678B (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101694285A Expired - Fee Related CN102247678B (en) | 2011-06-22 | 2011-06-22 | Novel explosion-proof pressure relief device and aerosol fire extinguisher using same |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169590B (en) * | 2015-09-07 | 2016-07-06 | 苏州久港消防设备有限公司 | A kind of Portable extinguisher with venting of dust explosion mouth |
| CN105169595B (en) * | 2015-09-07 | 2016-07-06 | 苏州久港消防设备有限公司 | A kind of fire extinguisher inner core with venting of dust explosion mouth |
| CN107899160A (en) * | 2017-11-15 | 2018-04-13 | 西安尚泰安全技术有限责任公司 | Safe hand-held fire extinguisher |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2142834C1 (en) * | 1998-07-17 | 1999-12-20 | Общество с ограниченной ответственностью "Артех-2000" | Method of volume fire extinguishing and device for its embodiment |
| WO2008086680A1 (en) * | 2007-01-05 | 2008-07-24 | Shaanxi J&R Fire Fighting Co., Ltd | Bi-directional horizontal spraying aerosol fire-extinguishing apparatus |
| CN201755360U (en) * | 2010-05-26 | 2011-03-09 | 陕西坚瑞消防股份有限公司 | Hand-held aerosol fire-fighting device |
-
2011
- 2011-06-22 CN CN2011101694285A patent/CN102247678B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2142834C1 (en) * | 1998-07-17 | 1999-12-20 | Общество с ограниченной ответственностью "Артех-2000" | Method of volume fire extinguishing and device for its embodiment |
| WO2008086680A1 (en) * | 2007-01-05 | 2008-07-24 | Shaanxi J&R Fire Fighting Co., Ltd | Bi-directional horizontal spraying aerosol fire-extinguishing apparatus |
| CN201755360U (en) * | 2010-05-26 | 2011-03-09 | 陕西坚瑞消防股份有限公司 | Hand-held aerosol fire-fighting device |
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| CN102247678A (en) | 2011-11-23 |
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Effective date of registration: 20160722 Address after: 518107, Shenzhen, Guangming District, Guangdong province Gongming office, Tian Liao community Fifth Industrial Zone, 32 floor Patentee after: Shenzhen hongjiali Fire Technology Co. Ltd. Address before: Jiangxi city of Xinyu province Jiangxi steel factory Yushui District 101 room 1 Patentee before: Zhong Haishun Patentee before: Yu Tieniu Patentee before: Liu Xiaoyun |
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Granted publication date: 20121121 Termination date: 20190622 |