CN201012240Y - Suspended type impulse dry powder automatic fire extinguisher - Google Patents

Suspended type impulse dry powder automatic fire extinguisher Download PDF

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Publication number
CN201012240Y
CN201012240Y CNU2006201674924U CN200620167492U CN201012240Y CN 201012240 Y CN201012240 Y CN 201012240Y CN U2006201674924 U CNU2006201674924 U CN U2006201674924U CN 200620167492 U CN200620167492 U CN 200620167492U CN 201012240 Y CN201012240 Y CN 201012240Y
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CN
China
Prior art keywords
dry powder
housing
fire extinguisher
aluminum film
automatic fire
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Expired - Fee Related
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CNU2006201674924U
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Chinese (zh)
Inventor
贾国柱
贾香娥
贾万津
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Beijing Jiujiu Shenlong Fire Equipment Co Ltd
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Beijing Jiujiu Shenlong Fire Equipment Co Ltd
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Priority to CNU2006201674924U priority Critical patent/CN201012240Y/en
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Publication of CN201012240Y publication Critical patent/CN201012240Y/en
Anticipated expiration legal-status Critical
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Abstract

The utility model is a hanging and automatic fire extinguisher with impulse powder, which comprises a shell body (4) and a startup component. An ABC powder extinguishing (3) and an air-generating component are positioned inside of the shell body (4); the startup component is provided with a heat-inductive device (13); the air-generating component comprises a steel thin shell (7), an aluminum film (5) and a gas-fired generator (6) arranged inside of the steel thin shell (7) and the aluminum film (5). The bottom end of the shell body (4) is provided with a spout; the spout is provided with a sealing aluminum film (2); the heat-inductive device (13) is connected with the gas-fired generator (6); the startup component is also provided with an electric generator (10); the electric generator (10) is connected with the gas-fired generator (6). The utility model is characterized in that the device is with safe, reliable, high-efficient as well as flexible and innoxious in the startup mode and so on. The high-speed impulse spraying mode makes the extinguisher obtain the enough momentum so as to not only make the extinguisher distributed evenly and instantaneously, but also to enclose and crush the flame instantaneously in the open room to realize the extinguishing effect.

Description

Suspension type pulse dry powder automatic fire extinguisher
Technical field
The utility model belongs to dry powder extinguishing installation.
Background technology
Dry-chemical fire extinguishing belongs to inhibition mechanism, has that fire extinguishing is fast, efficient is high and the wide advantage of fire extinguishing kind.The impulse jet technology makes dry powder moment encirclement and pours flame, embodies the modern fire-fighting technique theory of response fast, early stage inhibition, high-effect fire-extinguishing and ecological, environmental protective.
At present, automatic fire extinguisher mainly is made up of housing, sealed aluminum film, the ABC powder extinguishing agent, aerogenesis assembly and the starter that are contained in the housing.Existing automatic fire extinguisher generally all is the mode that adopts temperature-sensitive to start, and promptly after environment temperature surpassed a certain setting value, the heat-sensitive line perception also started extinguishing device automatically.But under some specific environment, fire has taken place and not perception of heat-sensitive line is not that heat-sensitive line is malfunctioning, but because the reason of environment, perhaps installation wiring (heat-sensitive line) is unreasonable, make the heat-sensitive line perception less than, at this moment to wait for automatic startup, the possible intensity of a fire is big.
In addition, when enclosure space was put out a fire, it was little to wish that the particle diameter of ABC powder extinguishing agent is tried one's best, so that dry powder can be full of enclosure space quicker, more equably, does not have the dead angle, to reach better fire extinguishing effect; And when non-enclosure space is put out a fire, wish that again the particle diameter of ABC powder extinguishing agent is big as far as possible, so that dry powder has enough momentums, can push down moment and stamp out the flames.Present ABC powder extinguishing agent is still waiting further raising aspect the two and the fire-fighting efficiency rationally taking into account.
In sum, existing from the market suspension type pulse dry powder automatic fire extinguisher, fire-fighting efficiency remain further to be improved, and it is more flexible, suitable that Starting mode remains.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiency of aspects such as prior art automatic fire extinguisher reliability, and a kind of reliable operation is provided, and Starting mode is more flexible, suspension type pulse dry powder automatic fire extinguisher applied widely.
Suspension type pulse dry powder automatic fire extinguisher of the present utility model, comprise housing and start assembly, ABC powder extinguishing agent and aerogenesis assembly are housed in the housing, start assembly has thermal initiator, the aerogenesis assembly comprise steel shell, aluminium film and be contained in the steel shell and the aluminium film in gas generator propellant, the bottom of described housing is provided with spout, the spout place is provided with the sealed aluminum film, described thermal initiator links to each other with gas generator propellant, described start assembly also has electric initiator, and electric initiator links to each other with described gas generator propellant.
Suspension type pulse dry powder automatic fire extinguisher of the present utility model, wherein said steel shell adopts perforated bolt to be fixed in the housing, perforated bolt is provided with through hole vertically, described thermal initiator and described electric initiator link to each other with gas generator propellant after passing the through hole of perforated bolt, the top of described housing is provided with mounting bracket, housing is truncated cone-shaped or cylindrical or bowl-type, and described sealed aluminum film is plane or to the sphere of outer lug, the sealed aluminum film adopts steel ring to fix.
That suspension type pulse dry powder automatic fire extinguisher of the present utility model has is safe, reliable, efficient, Starting mode is flexible, characteristics such as nontoxic, high-speed pulse sprays and makes extinguishing chemical obtain enough momentum, both but moment is spared cloth at seal cavity, also can and pour flame and realize fire extinguishing in open space encirclement of following moment.
Suspension type pulse dry powder automatic fire extinguisher of the present utility model has the following advantages:
1. safe and reliable, the power source of impulse jet adopts pyrotechnic compound, does not contain explosive and Toxics such as explosive, has guaranteed the safety of production, use, transportation and storage;
2. embodied " response fast, early stage inhibition, high-effect fire-extinguishing " fire-fighting advanced technology theory that international fire-fighting circle is advocated;
3. do not need pipe network, install and need not to carry out civil engineering; Normal pressure stores, and does not have withstand voltage and problem such as leakages, and easy maintenance, only is to have 1/3rd of powder extinguishing system now at the system engineering cost;
4. the impulse jet technology makes dry powder that enough momentum be arranged, flame is surrounded and poured to moment, therefore device has multiple application such as total flooding application, topical application and subregion application, can be widely used in the enclosure space in the energy, chemical industry, iron and steel, telecommunications, distribution system, oil depot, storage, cable tunnel, engine, automobile engine cabin, the industry of national defence field and the civil buildings, non-enclosure space and all kinds of places such as outdoor;
5. nontoxic, the no burn into easy to clean of this product, compliance with environmental protection requirements;
6. preferred powder extinguishing agent, fire-fighting efficiency is higher;
7. improved Starting mode makes startup more flexible, suitable.
Other details of suspension type pulse dry powder automatic fire extinguisher of the present utility model and characteristics can just can be cheer and bright by reading the embodiment hereinafter encyclopaedize in conjunction with the accompanying drawings.
Description of drawings
Fig. 1 is the structural representation of suspension type pulse dry powder automatic fire extinguisher of the present utility model.
The specific embodiment
As shown in Figure 1, suspension type pulse dry powder automatic fire extinguisher of the present utility model, comprise housing 4 and start assembly, ABC powder extinguishing agent 3 and aerogenesis assembly are housed in the housing 4, start assembly has thermal initiator 13, the aerogenesis assembly comprises steel shell 7, aluminium film 5 and the gas generator propellant 6 that is contained in steel shell 7 and the aluminium film 5, steel shell 7 adopts perforated bolt 8 to be fixed in the housing 4, perforated bolt 8 is provided with through hole vertically, the bottom of housing 4 is provided with spout, the spout place is provided with sealed aluminum film 2, thermal initiator 13 links to each other with gas generator propellant 6 after passing the through hole of perforated bolt 8, start assembly also has electric initiator 10, and electric initiator 10 links to each other with gas generator propellant 6 after passing the through hole of perforated bolt 8.
The top of above-mentioned housing 4 is provided with mounting bracket 12, and housing 4 is truncated cone-shaped or cylindrical or bowl-type, and sealed aluminum film 2 is plane or to the sphere of outer lug, sealed aluminum film 2 adopts steel rings 1 to be fixed on the housing 4, seals.
The start assembly of suspension type pulse dry powder automatic fire extinguisher of the present utility model is made of the electric initiator 10 of manual electricity startup and the thermal initiator 13 dual mode parallel connections of thermosensitive temperature-sensing self-starting.The safe current 200mA of electricity initiator 10, starting current 1A, starting resistor DC24V; Thermal initiator 13 is by burning-point 〉=170 ℃, the heat-sensitive line of the about 0.33m/s of conduction of velocity and be enclosed within the outer sleeve pipe of heat-sensitive line and form; Be pressed on the steel shell 7 of shell 4 inboards by the perforated bolt 8 that is penetrated with thermal initiator 13, electric initiator 10 and lower nut 9, top nut 11, and interior gas generator propellant 6, with the aluminium film 5 common formation aerogenesis assemblies that are buckled on the steel shell 7, the aerogenesis assembly will self be fixed in the housing 4 by perforated bolt 8, and thermal initiator 13 and electric initiator 10 through hole by perforated bolt 8 respectively enter in steel shell 7 and the aluminium film 5 and contact with gas generator propellant 6.Mounting bracket 12 is used to install and fix.
The ABC powder extinguishing agent 3 that suspension type pulse dry powder automatic fire extinguisher of the present utility model is adopted comes from preferred to ABC dry powder constituent on the market and grain size proportion, the content of main composition ammonium dihydrogen phosphate (ADP) dry powder is 80% (± 3%), and its 90% particle diameter (being less than or equal to certain size particles mass percent is 90%) is 30 μ m.
Suspension type pulse dry powder automatic fire extinguisher of the present utility model has reached intended purposes by pattern testing identity device, pattern check 2006-3563, and the Interventions Requested name is called the total flooding extinguishing property, comprises category-A fire and category-B fire.
Be that example illustrates characteristics of the present utility model with the category-B fire fire-extinguishing test of being checked now, category-B fire standard-required is: should put out a fire at the extinguishing device AEI After End of Injection, and the fire in the food tray must not spill food tray.
Test one: dry powder quality is 1.1Kg, test space 2.0m * 2.0m * 2.5m, food tray size: 330mm * 330mm * 100mm, add 5L gasoline in the food tray, 4 diameters are the test tank of 75mm, high 120mm, bottom pad water, gasoline high 50mm in top is apart from a jar mouthful 10mm.Pre-burning 30s manually boots extinguishing device, and device starts the time of back to fray-out of flame: food tray fire: 7s, and oil tank fire: 11s, 7s, 12s, 9s open door and window and ventilate, and not resume combustion is not fired gasoline in food tray and the little oil tank.
Test two: dry powder quality is 4.5Kg, test space 2.0m * 2.0m * 2.5m, food tray size: 330mm * 330mm * 100mm, add 5L gasoline in the food tray, 4 diameters are the test tank of 75mm, high 120mm, bottom pad water, gasoline high 50mm in top is apart from a jar mouthful 10mm.Pre-burning 30s manually boots extinguishing device, and device starts the time of back to fray-out of flame: food tray fire: 7s, and oil tank fire: 11s, 7s, 12s, 9s open door and window and ventilate, and not resume combustion is not fired gasoline in food tray and the little oil tank.
The dry powder consumption that proves suspension type pulse dry powder automatic fire extinguisher of the present utility model by above-mentioned check test is 110g~130g/m 3, than the about 300g/m of it domestic colleague's product 3Dry powder consumption (pattern check 2003-2059,0.33m 3The used ultra-fine dry powder loadings in space is 108.3g) saved cost, fire-fighting efficiency significantly improves.
The course of work of suspension type pulse dry powder automatic fire extinguisher of the present utility model is as follows:
A. temperature-sensitive self-starting mode: the heat-sensitive line of spreading and branch and sleeve pipe 13, when the temperature of perception 〉=170 ℃, cause spontaneous combustion, and with the speed conduction of about 0.33m/s; Through the side circular hole of mounting bracket 12, through perforated bolt 8, be transmitted to gas generator propellant 6, the gas generating compositions 6 that ignites, moment produces flue gas, breaks through aluminium film 5, promotes powder extinguishing agent 3, breaks through sealed aluminum film 2 again, and dry powder 3 pulse high velocity jet are arrived protected district.
B. manual electric Starting mode: under some specific environment, the not perception of fire, heat-sensitive line having taken place, is not that heat-sensitive line is malfunctioning, but because the reason of environment, perhaps installation wiring (heat-sensitive line) is unreasonable, make the heat-sensitive line perception less than.At this moment will wait for automatic startup, the possible intensity of a fire is big.Fortunately device has manual electric Starting mode.During erecting device, with the two ends of electric initiator 10, by a commutator (or double-throw button), be connected on the DC24V power supply, when fire takes place, move commutator (or pressing the double-throw button), make the two ends of electric initiator 10 and DC24V power supply form the conducting loop.Gas generator propellant 6 is caused by the electric heating of electric initiator 10, and moment produces flue gas, breaks through aluminium film 5, promotes powder extinguishing agent 3, breaks through sealed aluminum film 2 again, and powder extinguishing agent 3 pulse high velocity jet are arrived protected district.
Above-described embodiment only is that the preferred implementation to suspension type pulse dry powder automatic fire extinguisher of the present utility model is described; be not that design of the present utility model and scope are limited; relate under the scheme prerequisite not breaking away from the utility model; various modification and improvement that those skilled in the art make the technical solution of the utility model; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.

Claims (2)

1. suspension type pulse dry powder automatic fire extinguisher, comprise housing (4) and start assembly, ABC powder extinguishing agent (3) and aerogenesis assembly are housed in the housing (4), start assembly has thermal initiator (13), the aerogenesis assembly comprises steel shell (7), aluminium film (5) and be contained in gas generator propellant (6) in steel shell (7) and the aluminium film (5), the bottom of described housing (4) is provided with spout, the spout place is provided with sealed aluminum film (2), described thermal initiator (13) links to each other with gas generator propellant (6), it is characterized in that: described start assembly also has electric initiator (10), and electric initiator (10) links to each other with described gas generator propellant (6).
2. suspension type pulse dry powder automatic fire extinguisher according to claim 1, it is characterized in that: described steel shell (7) adopts perforated bolt (8) to be fixed in the housing (4), perforated bolt (8) is provided with through hole vertically, described thermal initiator (13) and described electric initiator (10) link to each other with gas generator propellant (6) after passing the through hole of perforated bolt (8), the top of described housing (4) is provided with mounting bracket (12), housing (4) is truncated cone-shaped or cylindrical or bowl-type, described sealed aluminum film (2) is plane or to the sphere of outer lug, sealed aluminum film (2) adopts steel ring (1) fixing.
CNU2006201674924U 2006-12-14 2006-12-14 Suspended type impulse dry powder automatic fire extinguisher Expired - Fee Related CN201012240Y (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012034464A1 (en) * 2010-09-16 2012-03-22 陕西坚瑞消防股份有限公司 Pulsed superfine dry powder fire extinguishing device with multiple activation modes
WO2012034465A1 (en) * 2010-09-16 2012-03-22 陕西坚瑞消防股份有限公司 Suspended impulse superfine dry powder fire extinguishing apparatus
CN103127637A (en) * 2013-02-01 2013-06-05 深圳市胜捷消防器材工程有限公司 Gasifier section and dry powder extinguishing device
CN103301587A (en) * 2013-06-03 2013-09-18 安徽富煌和利时科技有限公司 Bus with extinguishment function
CN104107513A (en) * 2014-07-27 2014-10-22 苏州金螳螂住宅集成装饰有限公司 Induction-type directional dry powder fire extinguishing bomb
CN106310566A (en) * 2015-06-24 2017-01-11 青岛中阳消防科技股份有限公司 Pre-stored pressure combustion gas-type automatic extinguishing device
CN108645248A (en) * 2018-05-16 2018-10-12 江苏科技大学 A kind of volumetric heat exchanger and its working method of self-pulsating enhanced heat exchange

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012034464A1 (en) * 2010-09-16 2012-03-22 陕西坚瑞消防股份有限公司 Pulsed superfine dry powder fire extinguishing device with multiple activation modes
WO2012034465A1 (en) * 2010-09-16 2012-03-22 陕西坚瑞消防股份有限公司 Suspended impulse superfine dry powder fire extinguishing apparatus
CN103127637A (en) * 2013-02-01 2013-06-05 深圳市胜捷消防器材工程有限公司 Gasifier section and dry powder extinguishing device
CN103127637B (en) * 2013-02-01 2016-08-03 深圳市胜捷消防器材工程有限公司 Gasifier section and dry-powder-type extinguishing device
CN103301587A (en) * 2013-06-03 2013-09-18 安徽富煌和利时科技有限公司 Bus with extinguishment function
CN104107513A (en) * 2014-07-27 2014-10-22 苏州金螳螂住宅集成装饰有限公司 Induction-type directional dry powder fire extinguishing bomb
CN106310566A (en) * 2015-06-24 2017-01-11 青岛中阳消防科技股份有限公司 Pre-stored pressure combustion gas-type automatic extinguishing device
CN108645248A (en) * 2018-05-16 2018-10-12 江苏科技大学 A kind of volumetric heat exchanger and its working method of self-pulsating enhanced heat exchange
CN108645248B (en) * 2018-05-16 2019-09-27 江苏科技大学 A kind of volumetric heat exchanger and its working method of self-pulsating enhanced heat exchange

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080130

Termination date: 20151214

EXPY Termination of patent right or utility model