CN102743831A - Suspension-type ultrafine dry powder self-service fire-extinguishing device - Google Patents

Suspension-type ultrafine dry powder self-service fire-extinguishing device Download PDF

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Publication number
CN102743831A
CN102743831A CN 201210214419 CN201210214419A CN102743831A CN 102743831 A CN102743831 A CN 102743831A CN 201210214419 CN201210214419 CN 201210214419 CN 201210214419 A CN201210214419 A CN 201210214419A CN 102743831 A CN102743831 A CN 102743831A
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CN
China
Prior art keywords
jet
bottle
service
extinguishing device
self
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Pending
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CN 201210214419
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Chinese (zh)
Inventor
吴太平
王绍臣
菅茂生
张娜娜
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Beijing Beiji Mechanical and Electrical Industry Co Ltd
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Beijing Beiji Mechanical and Electrical Industry Co Ltd
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Application filed by Beijing Beiji Mechanical and Electrical Industry Co Ltd filed Critical Beijing Beiji Mechanical and Electrical Industry Co Ltd
Priority to CN 201210214419 priority Critical patent/CN102743831A/en
Publication of CN102743831A publication Critical patent/CN102743831A/en
Priority to CN201310246524.4A priority patent/CN103341247B/en
Pending legal-status Critical Current

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Abstract

The invention discloses a suspension-type ultrafine dry powder self-service fire-extinguishing device. The suspension-type ultrafine dry powder self-service fire-extinguishing device comprises a bottle body and an injection orifice. One end of the bottle body is a blind end and the other end of the bottle body is an open end. The injection orifice is connected to a tail portion of the open end. An inner cavity of the bottle body is communicated with a middle part of the injection orifice. The suspension-type ultrafine dry powder self-service fire-extinguishing device is characterized in that an outer side of the blind end of the bottle body is provided with a gas generator; a gas outlet of the gas generator is communicated with the inner cavity of the bottle body by a through-hole of the blind end; a prefabricated diaphragm for sealing a fire-extinguishing agent in the bottle body is arranged between the injection orifice and the tail portion of the open end; and the prefabricated diaphragm is provided with a prefabricated groove. In a non-working state, an ultrafine dry powder fire-extinguishing agent is stored in the bottle body and the interior of the bottle body is in a pressure-free state. When a fire disaster occurs, the gas generator is started and high-pressure gas is produced rapidly and then enters into the bottle body; and when the pressure in the bottle body reaches to a certain value, the high-pressure gas breaks through the prefabricated diaphragm and then the high-pressure gas with the ultrafine dry powder fire-extinguishing agent stored in the bottle body is ejected from the injection orifice.

Description

The self-service extinguishing device of suspended type ultrafine dry powder
Technical field
The present invention relates to the fire-fighting fire extinguishing technical field, particularly about the self-service extinguishing device of a kind of suspended type ultrafine dry powder.
Background technology
The firing-fighting medium of fire extinguisher outfit at present mainly comprises water, halon fire agent, carbon dioxide extinguishing agent, fire foam and powder extinguishing agent etc.Wherein water is widely used as more general firing-fighting medium; But fire-fighting efficiency is lower; And soak into combustible and expensive device can't be brought into play extinguishing property for a part of oils, electrical equipment, active metal, chemicals, difficulty; And because hydraulic pressure, the school side that can arrive is highly limited, thereby significant limitation is arranged.Halon fire agent can damage ozone layer owing to have very high toxicity, and use at present has been under an embargo.Compare with fire foam with carbon dioxide; Powder extinguishing agent has outstanding superior function aspect three of fire-fighting efficiency, fire-fighting area, EU Equivalent Unit fire extinguishing costs; And its have non-conductive, burn into does not fight a fire rapidly, does not need antifreeze characteristics, thereby its fire extinguishing object is in extensive range.
Ultra-fine dry powder extinguishing agent grows up on traditional powder extinguishing agent basis, and its fire-fighting efficiency is much larger than traditional powder extinguishing agent, and the scope of application is more extensive.Its spray regime is main with reservoir pressure spray regime and impulse jet mode mainly.Wherein reservoir pressure spray regime is a storing high pressure gas in the fire-suppression bottle bottle, utilizes electric detonator to puncture diaphragm, and this moment, extinguishing chemical was released to the fire place under the promotion of gases at high pressure.The shortcoming of this mode is: on the one hand, this mode needs the pressure condition in the periodic maintenance inspection bottle; On the other hand, the high pressure gas in the flat body is known from experience becomes potential dangerous matter sources.
The impulse jet mode is to utilize the enormous impact masterpiece of gunpowder instantaneous explosion generation for starting power, by the difference (diaphragm pressure holding capacity is less than the barrel pressure holding capacity) of diaphragm and pressure that cylindrical shell bears, the aluminum rupture of diaphragm is accomplished sprayed.The shortcoming of this mode is: 1, below jet, can produce excessive dry powder deposition; 2, the existence of gunpowder can increase the possibility of secondary disaster.
Summary of the invention
The objective of the invention is the deficiency to existing ultra-fine dry powder fire extinguisher, provide a kind of under off working state, bottle inside is in pressure-less state, and maintenance test is convenient, does not have the self-service extinguishing device of suspended type ultrafine dry powder of potential safety hazard and environmental pollution.
Technical scheme of the present invention is following:
A kind of self-service extinguishing device; It comprises bottle and jet, and an end of said bottle is a cecum, and the other end is an openend; Said jet is connected the end of said openend; The inner chamber of said bottle is communicated with the middle part of said jet, it is characterized in that: at cecum arranged outside one gas generator of said bottle, the gas outlet of said gas generator is communicated with the inner chamber of said bottle through the through hole on the said cecum; Be provided between the end of said jet and said openend extinguishing chemical is enclosed in the inner prefabricated diaphragm of said bottle, on the said prefabricated diaphragm pregroove marks be set, the degree of depth of said pregroove marks is 0.2mm~0.3mm.
The pressure-bearing scope of said prefabricated diaphragm is 3.78MP~4.2MP.
The material of said prefabricated diaphragm is a stainless steel.
One valve is arranged on said openend, on the said valve valve seat is set, and said diaphragm is installed on the said valve seat end away from said valve.
The aerogenesis of said gas generator is main with carbon dioxide and/or nitrogen.
The outer setting one conical flow guiding disc of said jet, the vertex of a cone of said flow guiding disc is towards the oral area of said jet.
The bottom of the support of one tubular and the sealing of said jet lateral surface are fixing, and the inner chamber of said support is communicated with said jet, and the awl underframe of said flow guiding disc is located at the nozzle of said support, with said nozzle the slit is arranged at the bottom of the said awl.
The guard shield of one tubular is enclosed within the outside of said bottleneck and jet, and said guard shield is a Closed End near the port of said jet, and the said port outside connects the bottom of said support.
Technique effect of the present invention is following:
The self-service extinguishing device of a kind of suspended type ultrafine dry powder of the present invention; It comprises bottle and jet, and an end of bottle is a cecum, and the other end is an openend; Jet is connected the end of openend; The inner chamber of bottle is communicated with the middle part of jet, it is characterized in that: at cecum arranged outside one gas generator of bottle, the gas outlet of gas generator is communicated with the inner chamber of bottle through the through hole on the cecum; Be provided between the end of jet and openend extinguishing chemical is enclosed in the inner prefabricated diaphragm of bottle, on the prefabricated diaphragm pregroove marks be set, the degree of depth of pregroove marks is 0.2mm~0.3mm.Under off working state; Store ultra-fine dry powder extinguishing agent in the bottle, bottle inside is in pressure-less state, when fire takes place; Opening gas generator produces in the gases at high pressure entering bottle rapidly; When the pressure in the bottle reached certain value, gases at high pressure broke through prefabricated diaphragm, and gases at high pressure are sprayed by jet together with the ultra-fine dry powder extinguishing agent in the bottle.Under the acting in conjunction of the chemical action of the physical action of gases at high pressure and ultra-fine dry powder extinguishing agent, make that flame is put out rapidly.Because the pressure in the bottle produces through gas generator rapidly, thereby in the off working state lower bottle body, has not both had gases at high pressure, does not also have puncture devices such as electric detonator, thereby does not have potential safety hazard.
The present invention is provided with pregroove marks on prefabricated diaphragm, can effectively solve the uneven problem of prefabricated rupture of diaphragm, thereby improves the jeting effect of ultra-fine dry powder extinguishing agent.In order to guarantee that prefabricated diaphragm has the best effect of breaking, the degree of depth of pregroove marks is arranged between 0.2mm~0.3mm.
Because uses aerogenesis to be nitrogen and/or the carbon dioxide gas generator for main non-combustible gas, thereby can realize quick startup, powerful eruption, not misoperation, the effect of the gases at high pressure that the moment generation is a large amount of can be with fire suppression in the starting stage.
The self-service extinguishing device of suspended type ultrafine dry powder of the present invention is at the outer setting one conical flow guiding disc of jet; Ultra-fine dry powder extinguishing agent to high velocity jet is effectively shunted; It can not deposited at the jet place, cause jet to stop up, realize the uniformly dispersing of ultra-fine dry powder extinguishing agent.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1
Fig. 2 is the prefabricated membrane chip architecture sketch map of the embodiment of the invention 1
Fig. 3 is the structural representation of the embodiment of the invention 2
Wherein, 1-bottle, 11-openend, 12-jet, 13-cecum, 2-gas generator, 3-adpting flange, the prefabricated diaphragm of 4-, 5-valve, 6-pregroove marks, 7-guard shield, 8-support, 9-flow guiding disc, 10-ratchet.
The specific embodiment
The present invention will be described below in conjunction with accompanying drawing.
Embodiment 1:
As shown in Figure 1, the self-service extinguishing device of suspended type ultrafine dry powder of the present invention mainly comprises bottle 1, jet 12 and gas generator 2.Wherein bottle 1 is the vase shape, comprises openend 11 and cecum 13, and openend 11 is one to be similar to the back taper tube by wide mouthful to slot.Jet 12 be one by slot to the wide mouthful positive conically shaped that is similar to, the slot of jet 12 is connected the slot of openend 11, the i.e. end of openend 11 through a flange arrangement.Under off working state, store ultra-fine dry powder extinguishing agent in the bottle 1, jet 12 away from an end of bottle 1 towards ground direction, bottle 1 inside is in pressure-less state.Gas generator 2 is connected in the outside of cecum 13 through adpting flange 3, on the cecum 13 through hole is set, and is used to be communicated with gas generator 2 and bottle 1.
One prefabricated diaphragm 4 is set between jet 12 and the openend 11, is used under off working state, ultra-fine dry powder extinguishing agent being intercepted in bottle 1 inside.Prefabricated diaphragm 4 is clamped between jet 12 and the openend 11 by flange arrangement, to guarantee the sealed environment of bottle 1 inside.The pattern of prefabricated diaphragm 4 is that right arch is common tension type, and inside nominal diameter is 40mm, and arcuate surface is placed on towards jet 12 on the valve seat of valve 5, compresses with jet 12, because the hardness of flange seat and jet 12 material therefors is higher than the hardness of prefabricated diaphragm 4.When reaching certain force, the edge compression of prefabricated diaphragm 4 is out of shape, and reaches the effect of mechanical seal.As shown in Figure 2; Prefabricated diaphragm 4 is a stainless steel substrates; Pregroove marks 6 is set on it, pregroove marks 6 for prefabricated diaphragm 4 centers be starting point to panodic groove, preferred its groove depth is 0.2mm in the present embodiment; Make prefabricated diaphragm 4 have the desirable effect of breaking, this prefabricated diaphragm 4 that is provided with pregroove marks 6 can bear the air pressure of 3.78MP~4.2MP 4.2MP.One valve 5 is arranged on the bottleneck 12 of prefabricated diaphragm 4 inboards, is used in use controlling the flow through the ultra-fine dry powder extinguishing agent of jet 12.
The self-service extinguishing device of suspended type ultrafine dry powder is suspended on the fire protection place before use; When fire takes place; Open gas generator 2, making it to produce rapidly with carbon dioxide and/or nitrogen is master's gases at high pressure, and the through hole that gases at high pressure are passed through on the cecum 13 gets into bottle 1.When the air pressure in the bottle 1 reached 4.2MPa, prefabricated diaphragm 4 was broken through by gases at high pressure, and ultra-fine dry powder extinguishing agent is via jet 12 ejections simultaneously, got into scene of a fire flame and under the chemical action of the physical action of gas and ultra-fine dry powder extinguishing agent, was put out rapidly.
Embodiment 2:
As shown in Figure 3, the difference of present embodiment and embodiment 1 is, has set up the flow guiding disc 9 that is used to shunt ultra-fine dry powder extinguishing agent through support 8 in the outside of jet 12.Because ultra-fine dry powder extinguishing agent is a solid particle, after high velocity jet, part ultra-fine dry powder extinguishing agent particle bumps; Momentum loses fully; Vertical drop under gravity and gases at high pressure thrust forms crystallizing field at jet 12 places, makes ultra-fine dry powder extinguishing agent effectively to utilize.The present invention is at the arranged outside guard shield 7 cylindraceous of bottleneck 12 and jet 12, and guard shield 7 is a Closed End near the port of jet 12, and the cylindrical stent 8 that exceeds jet 12 is set on port.
Set up the flow guiding disc 9 of taper at the nozzle of support 8, the vertex of a cone of flow guiding disc 9 is connected with the nozzle of support 8 through ratchet 10 at the bottom of the awl of flow guiding disc 9 towards wide mouthful of jet 12.The cone bottom diameter of flow guiding disc 9 makes to have annular space between the awl end and support 8 nozzles less than the diameter of support 8 nozzles.Jet 12 is communicated with the inner chamber of support 8, and the inner chamber of support 8 passes through at the bottom of the awl of flow guiding disc 9 and space between the nozzle and extraneous spatial communication.When ultra-fine dry powder extinguishing agent during from jet 12 ejection; Ultra-fine dry powder extinguishing agent is by flow guiding disc 9 shuntings of taper; Make it equably to spray to the awl end, finally be disseminated to equably in the extraneous space through the space between the awl end and support 8 nozzles along the conical surface of flow guiding disc 9.
Should be pointed out that the above specific embodiment can make those skilled in the art more fully understand the invention, but do not limit the present invention in any way creation.Therefore; Although this specification has carried out detailed explanation with reference to accompanying drawing and embodiment to the invention,, those skilled in the art are to be understood that; Still can make amendment or be equal to replacement the invention; In a word, all do not break away from the technical scheme and the improvement thereof of the spirit and the scope of the invention, and it all should be encompassed in the middle of the protection domain of the invention patent.

Claims (8)

1. self-service extinguishing device; It comprises bottle and jet, and an end of said bottle is a cecum, and the other end is an openend; Said jet is connected the end of said openend; The inner chamber of said bottle is communicated with the middle part of said jet, it is characterized in that: at cecum arranged outside one gas generator of said bottle, the gas outlet of said gas generator is communicated with the inner chamber of said bottle through the through hole on the said cecum; Be provided between the end of said jet and said openend extinguishing chemical is enclosed in the inner prefabricated diaphragm of said bottle, on the said prefabricated diaphragm pregroove marks be set, the degree of depth of said pregroove marks is 0.2mm~0.3mm.
2. a kind of self-service extinguishing device as claimed in claim 1 is characterized in that: the pressure-bearing scope of said prefabricated diaphragm is 3.78MP~4.2MP.
3. according to claim 1 or claim 2 a kind of self-service extinguishing device, it is characterized in that: the material of said prefabricated diaphragm is a stainless steel.
4. according to claim 1 or claim 2 a kind of self-service extinguishing device, it is characterized in that: a valve is arranged on said openend, on the said valve valve seat is set, and said diaphragm is installed on the said valve seat end away from said valve.
5. according to claim 1 or claim 2 a kind of self-service extinguishing device, it is characterized in that: the aerogenesis of said gas generator is main with carbon dioxide and/or nitrogen.
6. according to claim 1 or claim 2 a kind of self-service extinguishing device, it is characterized in that: the outer setting one conical flow guiding disc of said jet, the vertex of a cone of said flow guiding disc is towards the oral area of said jet.
7. a kind of self-service extinguishing device as claimed in claim 6; It is characterized in that: the bottom of the support of a tubular and the sealing of said jet lateral surface are fixing; The inner chamber of said support is communicated with said jet; The awl underframe of said flow guiding disc is located at the nozzle of said support, with said nozzle the slit is arranged at the bottom of the said awl.
8. a kind of self-service extinguishing device as claimed in claim 7, it is characterized in that: the guard shield of a tubular is enclosed within the outside of said bottleneck and jet, and said guard shield is a Closed End near the port of said jet, and the said port outside connects the bottom of said support.
CN 201210214419 2012-06-25 2012-06-25 Suspension-type ultrafine dry powder self-service fire-extinguishing device Pending CN102743831A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN 201210214419 CN102743831A (en) 2012-06-25 2012-06-25 Suspension-type ultrafine dry powder self-service fire-extinguishing device
CN201310246524.4A CN103341247B (en) 2012-06-25 2013-06-20 The self-service extinguishing device of suspended type ultrafine dry powder

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CN 201210214419 CN102743831A (en) 2012-06-25 2012-06-25 Suspension-type ultrafine dry powder self-service fire-extinguishing device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103656928A (en) * 2013-12-27 2014-03-26 保定天威卓创电工设备科技有限公司 Automatic source-free superfine-dry-powder extinguishing method and device for engine room of wind generating set
CN108939370A (en) * 2018-07-24 2018-12-07 万志平 A kind of Household movable multifunctional fire extinguishing device
CN113384834A (en) * 2020-03-11 2021-09-14 现代自动车株式会社 Fire extinguishing system for a tyre of a vehicle

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CN112121345A (en) * 2019-06-24 2020-12-25 北京北机机电工业有限责任公司 Suspension type dry powder self-service fire extinguishing device
CN114225271A (en) * 2021-11-24 2022-03-25 北京北机机电工业有限责任公司 Quick diffusion equipment of fire extinguishing agent

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2100232U (en) * 1991-06-25 1992-04-01 马明星 Gas jet-pipe of dry powder fire extinguisher
DE4224184C2 (en) * 1992-07-22 1994-05-05 Deugra Ges Fuer Brandschutzsys Extinguishing agent container
RU2189265C2 (en) * 2000-04-28 2002-09-20 Общество с ограниченной ответственностью "Эпотос 1" Fire extinguishing apparatus
FR2879107B1 (en) * 2004-12-09 2007-04-06 Airbus France Sas DEVICE FOR INCREASING THE EFFICIENCY OF PRESSURIZING GAS IN A BOTTLE OF EXTINGUISHER
CN2750828Y (en) * 2004-12-21 2006-01-11 白也夫·谢·尼 Fire extinguishing apparatus
EP1782861A1 (en) * 2005-11-04 2007-05-09 Siemens S.A.S. Fire extinguishing apparatus and method with gas generator and extinguishing agent
CN2885318Y (en) * 2006-04-07 2007-04-04 宋明韬 Hand-throwing fire extinguishing device for forest
CN2874411Y (en) * 2006-04-07 2007-02-28 宋明韬 Aeroplane throwing super fine dry powder forest fire fighting bomb
CN200970429Y (en) * 2006-11-10 2007-11-07 成都神剑消防科技有限公司 Supersonic dry power fire extinguisher with external insertion and built-in startor
CN200970428Y (en) * 2006-11-28 2007-11-07 查林 Fire fighting device
CN100528189C (en) * 2007-01-14 2009-08-19 陈中源 Composition of Chinese traditional medicine for treating prolapse of lumbar intervertebral disc
RU2378027C1 (en) * 2008-06-30 2010-01-10 ООО "НПО Этернис" Fire extinguishing module
CN201279359Y (en) * 2008-10-27 2009-07-29 吴根生 Explosion self-destruction type powder fire extinguisher
CN201596284U (en) * 2010-02-20 2010-10-06 山东环绿康新材料科技有限公司 Spray type superfine dry powder fire extinguishing apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103656928A (en) * 2013-12-27 2014-03-26 保定天威卓创电工设备科技有限公司 Automatic source-free superfine-dry-powder extinguishing method and device for engine room of wind generating set
CN108939370A (en) * 2018-07-24 2018-12-07 万志平 A kind of Household movable multifunctional fire extinguishing device
CN113384834A (en) * 2020-03-11 2021-09-14 现代自动车株式会社 Fire extinguishing system for a tyre of a vehicle
CN113384834B (en) * 2020-03-11 2023-11-10 现代自动车株式会社 Fire extinguishing system for a tyre of a vehicle

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Application publication date: 20121024