CN201441767U - Energy storing positive pressure foam fire extinguishing system - Google Patents
Energy storing positive pressure foam fire extinguishing system Download PDFInfo
- Publication number
- CN201441767U CN201441767U CN2009200309857U CN200920030985U CN201441767U CN 201441767 U CN201441767 U CN 201441767U CN 2009200309857 U CN2009200309857 U CN 2009200309857U CN 200920030985 U CN200920030985 U CN 200920030985U CN 201441767 U CN201441767 U CN 201441767U
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- foam
- fire extinguishing
- extinguishing system
- positive pressure
- pressure
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Abstract
The utility model relates to an energy storing positive pressure foam fire extinguishing system, and belongs to the foam fire extinguishing system. The fire extinguishing system comprises a foam concentrate storing tank, and is characterized in that the foam concentrate storing tank is connected with a pressure gas source and a gas and liquid mixer, and the gas and liquid mixer is connected to a foam lance through a foam conveying pipe. The utility model has the advantages of high foaming multiple, high utilization rate of water and foam concentrate, excellent fire extinguishing effect, strong burn resistance, effective reburn resistance, and high jetting height.
Description
Technical field
The utility model relates to a kind of energy storage positive pressure froth fire extinguishing system, belongs to froth fire extinguishing system.
Background technology
In recent years, along with the high speed development of economic society, fire hazard situation is more and more severeer, the sudden fire of all kinds of occasions is more and more, fire scale is increasing, and the loss that causes is more and more higher, and traditional suction type fixed froth installation more and more can not adapt to present fire hazard situation.The suction type fixed froth installation is to suck air by spraying the negative-pressure sucking that forms on the negative pressure spray gun, form foam after the gas-liquid mixed and be used for fire extinguishing, coefficient of foaming is low, water, foam solution utilization rate are low, and waste is serious, require high to put out a fire required water source and dynamical system, the fire extinguishing weak effect, and jetting height is low, presses high altitude low, can't implement the eminence fire extinguishing of building etc.
The utility model content
The purpose of this utility model is to provide a kind of energy storage positive pressure froth fire extinguishing system, the coefficient of foaming height, and water, foam solution utilization rate height, good extinguishing effect, burnback resistance is strong, can effectively prevent resume combustion, and the jetting height height.
Energy storage positive pressure froth fire extinguishing system described in the utility model has foam liquid tank, it is characterized in that foam liquid tank connects pressure gas source and air and liquid mixer, and air and liquid mixer connects foam lance by foam pipeline.
During application, pressure gas source is pressed into foam liquid tank, foam solution is pressed into air and liquid mixer, foam solution is in air and liquid mixer and the abundant mixed foaming of proportion of gas, in blender, produce the fire foam of extinguishing property the best, finally implement the foam jet fire extinguishing from the foam lance ejection with the malleation form.
Air and liquid mixer is also connected pressure gas source, pressure gas source directly can be introduced air and liquid mixer, improve the mixed foaming effect.
Connect source of the gas and connect, on appendix, establish check valve, avoid adverse current by appendix, safe and reliable.
On pressure gas source, connect pressure-reducing valve, make things convenient for pressure to regulate.
Pressure gas source can be air or inert gas, and is as nitrogen etc., more safe and reliable.
The foam mechanism of the utility model energy storage positive pressure froth fire extinguishing system is with the water under the atmospheric pressure state, mixes with category-A or category-B foam dope earlier; And then with the premixed in air and liquid mixer in proportion of the air under the compressive state, bump mixes the back and produces foam; Eject by apparatus for spray of foam (big gun or rifle).The ratio of the pressure of foam mixing liquid, air, flow and the two mixing, system finishes automatically by control and regulation.Regulate down by regulating control of nitrogen cylinder outlet pressure and regulating system,, produce wet foam, half-dried foam and dry foam by injection apparatus.
Compressed nitrogen, itself does not burn, and is not combustion-supporting yet, and the fire extinguishing better effects if resists burning and prevents that the resume combustion effect is also better.Energy storage positive pressure froth fire extinguishing system with pure water fire extinguishing relatively, fire-fighting efficiency improves 20 times, the utilization rate of water improves more than 10 times, and significantly reduces resume combustion.Owing to contain a large amount of compressed nitrogens in the mixed liquor, water band weight is reduced more than 85%, malleation is sprayed again, has increased range and jetting height, can also significantly improve fire extinguishing mobility up to more than 100 meters.
When having the condition of a fire to take place, open pressure gas source, as the nitrogen cylinder valve of giving vent to anger, compressed nitrogen enters foam liquid tank by appendix after the pressure reducer decompression, foam solution enters air and liquid mixer by woven hose under the pressure of gas, simultaneously an amount of nitrogen also enters air and liquid mixer through escape pipe, gas and liquid spray through foam lance by foam pipeline behind the air and liquid mixer mixed foaming, implement fire extinguishing.
Compared with prior art, the beneficial effect of energy storage positive pressure froth fire extinguishing system described in the utility model is as follows:
1, low, the small investment, economical and practical of cost.The compressed-air foam fire fighting truck of present domestic import or assembling; price is all more than 1,000,000; this device that my company produces; price has only several ten thousand yuan; can make 100 liters, 200 liters, 300 liters, 400 liters, 500 liters, 700 liters, 1000 liters, 1500 liters, 2000 liters according to user's needs, the ultra-large type protection zone can continue to strengthen.Through repeatedly foam fire-fighting test, every performance indications have all exceeded simplicity, the mobility of foam fire truck, and the cost value according to existing fire-fighting equipment has tangible price advantage.
2, the fire extinguishing cost is little, saves a large amount of fire foams and water, reduces the fire extinguishing cost.The use amount of extinguishing chemical is 50% of a suction type fire-extinguishing apparatus, under anhydrous situation, can normally put out a fire, and because foam solution and gas separate, and foam solution does not once use up, can continue next time to use.
3, this device can add different types of extinguishing chemical according to the main fire extinguishing kind of applying unit applicable to various A, category-B fire foam.
4, mobility is good, and is simple to operate, easy to use.This device is designed to cart type and towed, can place the optimum position of fire extinguishing, only opens two actions of nitrogen cylinder valve and foam outlet valve during use, and 5-6 can finish second, and the bubble jet muzzle can spray foam within 10 seconds.
5, stable performance, foaming is abundant, the coefficient of foaming height, the foam burn resistance is good, and the fire extinguishing power is big, and the fire extinguishing effect is good, and cooling performance is good, can effectively prevent resume combustion.Foam solution and compressed nitrogen produce foam at air and liquid mixer high speed bump, and the foam of generation is fine and closely woven evenly, good stability, and bubble foam utilization rate height, blowing ratio can be adjusted to optimum state, and drainage time and anti-burning time extend greatly.And comprise a large amount of nitrogen in the foam, because the chemical inertness of nitrogen, it is not combustion-supporting itself not burn yet, and the foam after breaking discharges a large amount of nitrogen, plays the effect of heat absorption and secluding air, has strengthened the fire extinguishing effect more.
6, the foam wt of Chan Shenging light (be pure water 1/15th), momentum is big, and pressure falls and decreases minimum, when transmitting in fire hose, because the water band is very light, expulsion pressure is big, the water band can be increased to more than 100 meters, and the foam energy of injection is big, jetting height is more than 20 meters, jet length is more than 30 meters, and penetration capacity is strong, can stamp out a fire rapidly.The foam that produces has good wall built-up performance, and device, oil tank, building etc. are had good heat absorption and heat insulating function.
7, security performance is good, this equipment makes to drive power with the nitrogen cylinder that carries, do not need any external impetus such as motor or diesel engine to drive, under anhydrous, as not have electricity, no any power situation, can normally use, do not produce electric spark and other any naked lights in the use, be particularly suitable for containing in the air environment of flammable explosive gas and dust.
8, compare with traditional dry powder extinguisher, native system has incomparable plurality of advantages, and at first the effective attack time of native system is long, can reach 8-10 minute; Secondly foam generating capacity is big, is example with PCZ-1.6-1000, and during 15 times of coefficient of foaming, the per minute gas release is 1400 liters-1500 liters, and total gas release is 15000 liters, and on average 30 centimetres of foams of cladding thickness are on 500 square metres of areas.
9, occupation mode is flexible, both can use separately, also can produce the facility coupling with other multiple foams, forms the fire extinguishing system of various ways.
10, pipe fitting and valve material adopt stainless steel and copper alloy, and antiseptic property is good, and long service life can reach 20 years.
This fixed froth installation can be widely used in the place that category-A and category-B fire easily take place for solid material warehouse, flammable liquid warehouse, boiler room, underground structrue engineering, tunnel, naval vessel, oil depot, gas station, chemical plant, hangar, harbour, underground garage, dangerous goods store etc.
Description of drawings
Fig. 1, the utility model one example structure schematic diagram.
Among the figure: 1, nitrogen cylinder 2, pressure-reducing valve 3, ball valve 4, check valve 5, appendix 6, foam liquid tank 7, check valve 8, appendix 9, woven hose 10, air and liquid mixer 11, foam pipeline 12, foam lance.
The specific embodiment
The utility model is described in further detail in conjunction with the foregoing description accompanying drawing.
As shown in the figure, energy storage positive pressure froth fire extinguishing system described in the utility model, foam liquid tank 6 is arranged, foam liquid tank 6 connects pressure gas source---nitrogen cylinder 1 by appendix 5, connect air and liquid mixer 10 by woven hose 9, air and liquid mixer 10 connects foam lance 12 by foam pipeline 11.Air and liquid mixer 10 also is connected nitrogen cylinder 1 pressure gas source by appendix 8 with check valve 7, be provided with pressure-reducing valve 1, ball valve 3 and check valve 4 on the appendix 5 successively, convenient control, and appendix is provided with check valve.
When having the condition of a fire to take place, open the valve of giving vent to anger of nitrogen cylinder 1, compressed nitrogen enters foam liquid tank 6 by appendix 5 after pressure reducer 2 decompressions, foam solution is under the pressure of gas, enter air and liquid mixer 10 by woven hose 9, simultaneously an amount of nitrogen also enters air and liquid mixer 10 through appendix 8, and gas and liquid are behind air and liquid mixer 10 mixed foamings, through foam lance 12 ejections, implement fire extinguishing by foam pipeline 11.
Claims (4)
1. an energy storage positive pressure froth fire extinguishing system has foam liquid tank, it is characterized in that foam liquid tank connects pressure gas source and air and liquid mixer, and air and liquid mixer connects foam lance by foam pipeline.
2. energy storage positive pressure froth fire extinguishing system according to claim 1 is characterized in that air and liquid mixer also connects pressure gas source.
3. energy storage positive pressure froth fire extinguishing system according to claim 1 and 2 is characterized in that connecting source of the gas and connects by appendix, and appendix is provided with check valve.
4. energy storage positive pressure froth fire extinguishing system according to claim 3 is characterized in that connecting on the pressure gas source pressure-reducing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200309857U CN201441767U (en) | 2009-07-31 | 2009-07-31 | Energy storing positive pressure foam fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200309857U CN201441767U (en) | 2009-07-31 | 2009-07-31 | Energy storing positive pressure foam fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201441767U true CN201441767U (en) | 2010-04-28 |
Family
ID=42546446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200309857U Expired - Lifetime CN201441767U (en) | 2009-07-31 | 2009-07-31 | Energy storing positive pressure foam fire extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201441767U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103845837A (en) * | 2012-12-04 | 2014-06-11 | 张丹嫣 | Foam lance |
| JP2021073020A (en) * | 2021-02-10 | 2021-05-13 | エア・ウォーター防災株式会社 | Gas system fire fighting installation |
| CN112843544A (en) * | 2020-12-29 | 2021-05-28 | 天津润木科技有限公司 | Portable high-efficient foaming device |
-
2009
- 2009-07-31 CN CN2009200309857U patent/CN201441767U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103845837A (en) * | 2012-12-04 | 2014-06-11 | 张丹嫣 | Foam lance |
| CN112843544A (en) * | 2020-12-29 | 2021-05-28 | 天津润木科技有限公司 | Portable high-efficient foaming device |
| JP2021073020A (en) * | 2021-02-10 | 2021-05-13 | エア・ウォーター防災株式会社 | Gas system fire fighting installation |
| JP7186810B2 (en) | 2021-02-10 | 2022-12-09 | エア・ウォーター防災株式会社 | Gas fire extinguishing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100428 |