CN2507495Y - Automatic gas mixture fireextinguishing device - Google Patents
Automatic gas mixture fireextinguishing device Download PDFInfo
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- CN2507495Y CN2507495Y CN 01272787 CN01272787U CN2507495Y CN 2507495 Y CN2507495 Y CN 2507495Y CN 01272787 CN01272787 CN 01272787 CN 01272787 U CN01272787 U CN 01272787U CN 2507495 Y CN2507495 Y CN 2507495Y
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- extinguishing chemical
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Abstract
The utility model relates to a gaseous mixture automatic fire extinguisher, which comprises a starting gas bottle, a controller for alerting and extinguishing, a storage bottle of fire-extinguishing chemical and a spray head. The detecting end of the controller for alerting and extinguishing is disposed at a protected area and the controlling end of the controller for alerting and extinguishing is connected by wires with an electromagnetic valve of the starting gas bottle, the output end of the starting gas bottle is connected with the storage bottle of fire-extinguishing chemical by a pipe, and the outlet of the storage bottle of fire-extinguishing chemical is connected with the spray head disposed at the protected area. The storage bottle of fire-extinguishing chemical stores the gaseous mixture of nitrogen, argon and carbon dioxide, and a decompression orifice plate with an inner and an outer screw thread at two end thereof and a small-hole baffle at middle thereof is mounted on the pipe between the outlet of the storage bottle of fire-extinguishing chemical and the spray head. The utility model has the advantages of smaller loss rate of fire-extinguishing chemical and longer fire-extinguishing effect. As using the decompression orifice plate, the pressure bore by pipes is reduced, the problems when spraying gas in high pressure in process of fire-extinguishing is avoided, the number of the decompression apparatus is decreased, and the design and calculation of designing the fire engineering is simplified.
Description
Technical field
The utility model relates to a kind of extinguishing device, and especially a kind of gas automatic fire extinguisher belongs to the fire fighting device technical field.
Background technology
The gas automatic fire extinguisher is formed by starting gas cylinder, warning Fire extinguisher, halon fire agent storage bottle, shower nozzle etc. usually.Wherein the end of probe of alarm controller is installed in the protection zone; its control end is wired to the control valve that starts gas cylinder; the output that starts gas cylinder is connected to the extinguishing chemical storage bottle by pipeline, and the outlet of extinguishing chemical storage bottle is connected to the shower nozzle that is arranged in the protection zone by pipeline.When end of probe detected the condition of a fire, alarm controller was opened the control valve that starts gas cylinder with control, made pressed gas obtain discharging, and opened corresponding bottle valve, discharged halon fire agent, and it is sprayed from shower nozzle by pipeline, implemented fire extinguishing.
Along with the mankind to the improving constantly of its own existence environment attention degree, and the continuous reinforcement of environmental consciousness, " green ", " environmental protection " and sustainable development become new millennium human lives's important theme.According to Montreal protocol, the halon extinguishing agent use that will be under an embargo, all alkyl halide extinguishing devices must be eliminated.People call a kind of brand-new, clean extinguishing device.China eliminates the strategic directing thought of breathing out dragon: under the prerequisite that guarantees security against fire, active adoption Fei Halong resist technology is breathed out imperial use amount to reduce to greatest extent, and promises to undertake in 2005 and realize that stopping to breathe out dragon produces.For this reason, it is extremely urgent to accelerate to substitute the exploitation of breathing out imperial clean extinguishing device.
Summary of the invention
The purpose of this utility model is: according to the spirit of Montreal Protocol, under the prerequisite that guarantees the fire extinguishing effect, propose a kind of mist automatic fire extinguisher of compliance with environmental protection requirements.
In order to reach above purpose, mist automatic fire extinguisher of the present utility model comprises startup gas cylinder, warning Fire extinguisher, extinguishing chemical storage bottle, shower nozzle.The end of probe of warning Fire extinguisher is installed in the protection zone; its control end is wired to the magnetic valve that starts gas cylinder; the output that starts gas cylinder is connected to the extinguishing chemical storage bottle by pipeline, and the outlet of extinguishing chemical storage bottle is connected to the shower nozzle that is arranged in the protection zone by pipeline.Store nitrogen, argon and carbon dioxide gas mixture (the following IG-541 extinguishing chemical that is called again) in the extinguishing chemical storage bottle, described extinguishing chemical storage bottle is exported on the pipeline between the shower nozzle pressure reducing orifice is housed, the two ends of described pressure reducing orifice are shaped on internal and external threads respectively, and the middle part is shaped on aperture barrier plate.
After the warning Fire extinguisher in the utility model device receives detectable signal from the protection zone end of probe; can open the startup gas cylinder; the pressed gas that starts in the gas cylinder is opened the extinguishing chemical storage bottle; high pressure mixed gas extinguishing chemical in the extinguishing chemical storage bottle reduces pressure by pressure reducing orifice; pass through pipeline again, spray, the purpose that reach the control fire, finally stamps out a fire from the shower nozzle that is arranged in the protection zone.
The mist extinguishing chemical is a kind of gas of supporting that neither burning does not react with most materials again, and itself source is very abundant, can produce from air.It is put out a fire with physics mode, promptly reaches the fire extinguishing effect by reducing the airborne oxygen content in fire combustion zone, and gas extinguishing agent only slightly overweights air, so its loss late is lower, can keep long period fire extinguishing effect, guarantees good fire extinguishing effect.Yet the operating pressure of mist extinguishing chemical is higher, does not take suitable reduced pressure treatment measure, is easy to produce because of gas pressure is too high a series of problems.Facts have proved, the setting of the utility model pressure reducing orifice, scientifically solved the problem of mist extinguishing chemical hypertonia, not only reduced the pressure that pipeline bears, avoided that the gas high pressure spurts the problem of bringing in the fire extinguishing procedure, and reduced the quantity of decompressor, the designing and calculating when having simplified the fire engineering design.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the pressure reducing orifice structural representation among the embodiment one.
Fig. 3 is the structural representation of the utility model embodiment two.
The specific embodiment
Embodiment one
As can be seen from Figure 1, the mist automatic fire extinguisher of present embodiment is by extinguishing chemical storage bottle framework and installing component 1, start gas cylinder 2, magnetic valve 3, primer liner 4, header 5, extinguishing chemical storage bottle 6, bottle valve 7, check valve 8, high-pressure metal flexible pipe 9, safety valve 10, decompressor 11, pressure switch 12, extinguishing chemical transfer pipeline 13, audible-visual annunciator 14, venting display lamp 15, manual control box 16, warning Fire extinguisher 17, shower nozzle 18, Fire extinguisher probe 19, and control circuit L1, discharge feedback signal circuit L2, detection alarm circuit L3.Warning Fire extinguisher 17 is connected by detection alarm circuit L3 with probe 19, is installed in the protection zone, and its control end is connected to the magnetic valve 3 of startup gas cylinder 2 by lead L1.The output that starts gas cylinder 2 is connected to extinguishing chemical storage bottle 6 by primer liner 4.Store nitrogen, argon and carbon dioxide gas mixture (being called the IG-541 extinguishing chemical again) in the extinguishing chemical storage bottle 6, its outlet is connected to header 5 by bottle valve 7, high-pressure metal pipe 9 and check valve 8.Header 5 is equipped with safety valve 10, through decompressor---pressure reducing orifice 11, be connected to the shower nozzle 18 that is arranged in the protection zone by extinguishing chemical transfer pipeline 13 again.The concrete structure of pressure reducing orifice 11 as shown in Figure 2, two ends are shaped on inside and outside taper pipe thread respectively, the middle part is shaped on aperture barrier plate, the aperture of aperture is set according to the decompression needs.
When the breaking out of fire of protection zone, burning can produce smog, high temperature or light radiation, and probe 19 will detect the generation of fire, send fire alarm signal, and be input to warning Fire extinguisher 17 immediately.After judging and be identified through the discriminating of this controller; action in the following order: start protection zone audible-visual annunciator 14 immediately; send sound, visual alarm; start interlocking equipment simultaneously; after finishing predetermined time delay (being generally 30 seconds); open the magnetic valve 3 that starts gas cylinder 2, the bottle valve 7 of extinguishing chemical storage bottle 6, spurt mist extinguishing chemical, start venting display lamp 15 simultaneously in the protection zone outdoors through decompression to the protection zone.The mist extinguishing chemical spurts to the corresponding protection district from shower nozzle 18 through piping, reaches certain concentration rapidly, suppresses the intensity of a fire until stamping out a fire.
Facts have proved that the IG-541 extinguishing chemical is a kind of gas of supporting that neither burning does not react with most materials again, can produce from air, therefore the source is very abundant.This extinguishing chemical reaches the fire extinguishing effect by reducing the airborne oxygen content in fire combustion zone.Usually, in the protection zone in the air oxygen concentration be about 21%, gas concentration lwevel is less than 1%, this moment, oxygen concentration can the support substance burning, reduced to 15% when following when oxygen concentration in the environment, most of combustible is with burn-out.During fire, the IG-541 clean agent fire suppressant spurts to the protection zone, oxygen concentration in the protection zone is reduced to about 12.5%, makes the combustible burn-out.This extinguishing chemical does not produce spray in course of injection, as seen the protection zone still transparent after spraying, and is convenient to escape.Because the IG-541 gas extinguishing agent only slightly overweights air, so the extinguishing chemical loss late is lower, keep the fire extinguishing effect time long, guaranteed good fire extinguishing effect.
What is particularly worth mentioning is that, because the operating pressure in this device is higher, in order to reduce the pressure that system pipeline bears, system's high pressure problem of spurting of gas in fire extinguishing procedure is properly settled, present embodiment has adopted pressure reducing orifice, so promptly effectively reduced the pressure of gas in the pipeline, also reduced the quantity of decompressor simultaneously, the designing and calculating when having simplified the fire engineering design more.
The mist automatic fire extinguisher design of present embodiment is thorough; performance is safe and reliable, can be used for the fire-fighting protection in important places such as place such as computer room, communication apparatus, control room, tape library, valuable equipment chamber, library, archives, treasure storehouse, power distribution room, Generators, oil-immersed type transformer chamber, hydraulic test, cleaner, painting line.We can say that IG-541 mist automatic fire extinguisher is succeeded in developing, will be pollution-free with it; harmless; good fire extinguishing effectiveness, advantage such as applied widely will be made huge contribution for protection people's lives and properties, for human public safety cause and environmental protection.
Embodiment two
The mist automatic fire extinguisher of present embodiment as shown in Figure 3, wherein 20 are primer liner check valves, the 21st, selector valve, the 22nd, manual control box, the 23rd, the extinguishing chemical transfer pipeline, the 24th, start a bottle framework, other sequence number parts are identical with Fig. 1.
What the difference of comparing present embodiment with embodiment one was mainly that embodiment one forms is unit-independent system, and this embodiment has formed combined distribution system.The magnetic valve 3 that starts gas cylinder 2 connects extinguishing chemical storage bottle 6 through selector valve 21 and primer liner check valve 20; extinguishing chemical storage bottle 6 is connected with header 5 through the extinguishing chemical pipeline; header 5 is through pressure reducing orifice 11, connect extinguishing chemical transfer pipeline 23 through selector valve 21 again, and is connected to the shower nozzle 18 that is arranged in the protection zone.Like this, can form the multizone protection, whole device is simple and compact more, and controlling unit is more concentrated, uses economical.
Claims (4)
1. mist automatic fire extinguisher; comprise and start gas cylinder (2); warning Fire extinguisher (17); extinguishing chemical storage bottle (6); shower nozzle (18); the end of probe (19) of described warning Fire extinguisher (17) is installed in the protection zone; its control end is wired to the magnetic valve (3) that starts gas cylinder (2); the output that starts gas cylinder (2) is connected to extinguishing chemical storage bottle (6) by pipeline; the outlet of extinguishing chemical storage bottle (6) is connected to the shower nozzle (18) that is arranged in the protection zone by pipeline; it is characterized in that: store nitrogen in the described extinguishing chemical storage bottle (6); argon and carbon dioxide gas mixture; described extinguishing chemical storage bottle (6) is exported on the pipeline between the shower nozzle (18) pressure reducing orifice (11) is housed; the two ends of described pressure reducing orifice (11) are shaped on internal and external threads respectively, and the middle part is shaped on aperture barrier plate.
2. according to the described mist automatic fire extinguisher of claim 1; it is characterized in that: the outlet of described extinguishing chemical storage bottle (6) is by bottle valve (7), high-pressure metal pipe (9) and check valve (8); be connected to header (5), described header (5) passes through pressure reducing orifice (11), is connected to the shower nozzle (18) that is arranged in the protection zone by extinguishing chemical transfer pipeline (13) again.
3. according to the described mist automatic fire extinguisher of claim 1; it is characterized in that: described startup gas cylinder (2) connects extinguishing chemical storage bottle (6) through selector valve (21) and primer liner check valve (20); extinguishing chemical storage bottle (6) is connected with header (5) through the extinguishing chemical pipeline; header (5) is through pressure reducing orifice (11), connect extinguishing chemical transfer pipeline (23) through selector valve (21) again, and is connected to the shower nozzle (18) that is arranged in the protection zone.
4. according to claim 2 or 3 described mist automatic fire extinguishers, it is characterized in that: described header (5) is equipped with safety valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01272787 CN2507495Y (en) | 2001-12-13 | 2001-12-13 | Automatic gas mixture fireextinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01272787 CN2507495Y (en) | 2001-12-13 | 2001-12-13 | Automatic gas mixture fireextinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2507495Y true CN2507495Y (en) | 2002-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01272787 Expired - Fee Related CN2507495Y (en) | 2001-12-13 | 2001-12-13 | Automatic gas mixture fireextinguishing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN2507495Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066493A (en) * | 2007-06-06 | 2007-11-07 | 北京海安高科消防技术有限公司 | Submerged fire extinguishing nitrogen system for closed space |
| CN101511433B (en) * | 2005-06-13 | 2012-11-28 | 维克托里克公司 | Fire suppression system using high velocity low pressure emitters |
| WO2012162918A1 (en) * | 2011-06-01 | 2012-12-06 | 中国北车集团大同电力机车有限责任公司 | Automatic fire extinguishing device for vehicle |
| CN102145216B (en) * | 2010-02-09 | 2013-01-02 | 内蒙古兴泰建筑有限责任公司 | Combined distribution type gas fire extinguishing system |
| CN103325207A (en) * | 2013-05-31 | 2013-09-25 | 江苏中烟工业有限责任公司徐州卷烟厂 | Fire monitoring system for finished product cut tobacco cabinets |
-
2001
- 2001-12-13 CN CN 01272787 patent/CN2507495Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101511433B (en) * | 2005-06-13 | 2012-11-28 | 维克托里克公司 | Fire suppression system using high velocity low pressure emitters |
| CN101066493A (en) * | 2007-06-06 | 2007-11-07 | 北京海安高科消防技术有限公司 | Submerged fire extinguishing nitrogen system for closed space |
| CN101066493B (en) * | 2007-06-06 | 2011-08-17 | 北京海安高科消防技术有限公司 | Submerged nitrogen fire extinguishing system for closed space |
| CN102145216B (en) * | 2010-02-09 | 2013-01-02 | 内蒙古兴泰建筑有限责任公司 | Combined distribution type gas fire extinguishing system |
| WO2012162918A1 (en) * | 2011-06-01 | 2012-12-06 | 中国北车集团大同电力机车有限责任公司 | Automatic fire extinguishing device for vehicle |
| CN103325207A (en) * | 2013-05-31 | 2013-09-25 | 江苏中烟工业有限责任公司徐州卷烟厂 | Fire monitoring system for finished product cut tobacco cabinets |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NANJING FIRE EQUIPMENT CO., LTD. Free format text: FORMER NAME OR ADDRESS: NANJING FIRE FIGHTING MATERIAL AND APPARATUS FACTORY |
|
| CP03 | Change of name, title or address |
Address after: 210007 No. 87 Dong Cun road, Jiangning economic and Technological Development Zone, Jiangning District, Nanjing, China Patentee after: Nanjing Fire Equipment Co., Ltd. Address before: 210007, 12 Shimen Road, Nanjing Patentee before: Nanjing Fire Control Equipment Plant |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |