CN1268383A

CN1268383A - Fire extinguisher

Info

Publication number: CN1268383A
Application number: CN 99103761
Authority: CN
Inventors: 兰学文
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-03-26
Filing date: 1999-03-26
Publication date: 2000-10-04

Abstract

The invented fire extinguisher is composed of case body used as pressure vessel, fire extinguishing powder in the case body and gas valve for filling carbon dioxide gas. Explosive may also be installed in the case body for breaking it. When applied, the whole fire extinguisher is thrown into the fire, the fire extinguisher is burst, the fire extinguishing powder is spread over the fire so so to achieve the aim of extinguishing fire.

Description

A kind of fire extinguisher

The present invention relates to a kind of fire extinguisher that is used to put out various calamity fire, also can be used as the fire prevention apparatus, belong to fire-fighting equipment.

Fire also causes serious destruction to ecological environment all at a large amount of lives and properties of eating every year.To forest fire, at present mainly with aircraft spread water, manually open up flame proof passageway, the high pressure air pressure gun is put out a fire, urban fire control is mainly put out the fire with water tender and dry powder extinguisher.Above-mentioned technology and fire distinguisher for small-sized fire or the fire that is in elementary burning things which may cause a fire disaster still relatively effectively, but for big fire, have particularly arrived the big fire of intermediate burning things which may cause a fire disaster, senior burning things which may cause a fire disaster, and be just powerless; Catch fire for oil depot, inflammable explosive article storehouse, can't be because of the fire fighter near the scene of a fire, existing fire-fighting equipment is of no avail, can only allow fire to stretch.

The object of the present invention is to provide a kind of various fire that are applicable to, and can put out the fire extinguisher of fire safely, in time, apace.

Technical solution of the present invention is: adopt the synthetic dry powder of existing sodium chloride as the fire extinguishing raw material, make the blasting type fire extinguisher, in housing, add and fill fire fighting powder for this reason, on housing, be provided with the air valve that is used to charge into the carbon dioxide inert gas as pressure vessel.Charge into high-pressure carbon dioxide gas by air valve to housing.During use, fire extinguisher is dropped into the scene of a fire, shell made it by baked wheaten cake that intensity reduces or burnt broken, and the carbon dioxide expanded by heating increased pressure in the shell and exploding; Also can open quick-fried explosive, ignite after fire extinguisher is dropped into the scene of a fire, the fire extinguisher housing is scraped in surface of shell fixed installation.Dry powder extinguisher is at explosion time, and outwards the carbon dioxide carrier fire fighting powder that expands rapidly is to diffusion all around, and moment is full of the scene of a fire, reaches the purpose of quick extinguishing.

Advantage of the present invention is: because fire extinguisher is directly rendered to the scene of a fire, adopt the explosion form that the fire fighting powder moment in the fire extinguisher is spread the scene of a fire in large area, put out the fire rapidly, power is big, the various condition of a fire can be adapted to, the condition of a fire of elementary burning things which may cause a fire disaster can not only be put out effectively, for intermediate burning things which may cause a fire disaster, even the condition of a fire of senior burning things which may cause a fire disaster, also can control effectively or put out.When the present invention uses, need only render to fire extinguisher in the scene of a fire to ignite and to bring into play the function of putting out the fire effectively, not need the fire fighting personnel directly to enter the scene of a fire or, use simple, convenient, safety near big.For personnel be difficult to close such as oil depot, inflammable explosive article warehouse catch fire, the condition of a fire is caught fire or the like in forest fire, skyscraper upper strata, existing fire extinguishing means are often powerless, and this fire extinguisher can adopt forms such as remote impelling, air-drop, long-armed crane input, directly render to the scene of a fire and open quick-friedly, can put out the fire rapidly.That the present invention also has is simple in structure, cost is low, is easy to large tracts of land and advantage such as promotes the use of.

Following accompanying drawing has been described embodiments of the invention

Fig. 1, Fig. 3, Fig. 5 are structural representation of the present invention

Fig. 2 is the A-A cutaway view of Fig. 1

Fig. 4 is the vertical view of Fig. 3

Fig. 6 is the vertical view of Fig. 5

Below in conjunction with accompanying drawing the present invention is described in detail.The invention belongs to dry powder extinguisher, existing dry powder extinguisher sprays by artificial, because of operating personnel can not lean on the scene of a fire too near, can only spray in surrounding, the scene of a fire, adding to spray has a time course, and the dynamics that fire fighting powder acts on the scene of a fire is too little, and is often powerless for big fire.The invention difference from existing technology is, makes the fire fighting powder that is in high-pressure sealed state, directly the form to explode in the scene of a fire, the fire fighting powder of fire extinguisher whole moments are sprinkling upon in the scene of a fire, the power of fire extinguishing is big, and speed is fast, and existing dry powder extinguisher is incomparable.Concrete structure of the present invention as shown in the figure, wherein 1 is housing as pressure vessel, the 2nd, be loaded on the fire fighting powder in the housing, the 3rd, be used for the charge valve of filling CO 2 gas.What here, fire fighting powder adopted is the existing synthetic dry powder of extinguish material sodium chloride; The CO 2 high pressure gas that fills in housing is as the power that sprays fire fighting powder, also can adopt other non-inflammable gas, be by its expansion impulse force, the fire fighting powder in the container all sprayed in a flash in the scene of a fire that its pressure is generally just enough at 2.5-3.0MPa at explosion time.The shape of housing can be designed to courage formula (Fig. 1), drum-type (Fig. 3), cake formula multiple shapes such as (Fig. 5), and case material adopts flammable rubber or plastics to make.In order to increase the tensile strength of material, reduce the thickness of housing, adopt the rubber or the plastic material of reinforcing fibre, the fire safety needs for self preferably adopt anti-flammability rubber or plastics.Housing is with after the mould molding, the fire fighting powder of packing into, install at last charge valve 3 product.The above fire extinguisher is applicable on fire or occasion that flame is relatively concentrated in the building, and it is thrown in scene of a fire, burns out housing by burned flame and makes it to explode, and belongs to automatic explosion type.

In order to make fire extinguisher blast reliably in time, the present invention fixedly mounts on housing can open quick-fried explosive 4.Here, unique effect of explosive is exactly a crushing shell, and the pressure that makes CO 2 high pressure gas in the housing can abrupt release and blast.So the dosage of laying explosive adopts low dose of explosive with energy crushing shell degree of being as far as possible.In order to improve the degree of crushing of housing, in order to fire fighting powder smoothly to around disperse, explosive can distribute and be placed on the surface of shell, with they be together in series open simultaneously quick-fried.In order to deposit and convenient transportation, lay the explosive place at surface of shell, be processed into concave surface, the blasting charge just is placed in recess, gets final product with Pressure sensitive adhesive tape is fixing firmly.This housing that opens quick-fried formula fire extinguisher except utilizing combustible material such as rubber, plastics, also can adopt non-flammability material making such as aluminium plate.Because of explosive dosage is little, the distance of dispersing of explosion time housing fragment is short and speed is little, does not generally constitute the injury to the fire fighter, but in order to ensure safety, housing adopts flexible materials such as rubber, plastics as far as possible, and must delimit radius of safety, generally can delimit to be 15m.For the safety of fire extinguisher self, used explosive adopts slurry explosives.

The present invention is equipped with electric cap as a kind of wired quick-fried embodiment that opens on described explosive 4.This fire extinguisher is fit to the mineral wool apparatus, is applicable to oil depot, arsenal, inflammable explosive article workshop and storehouse, ignitable chemical workshop and other occasions of in a single day catching fire and stretching and be exceedingly fast and have little time to put out a fire to save life and property.This fire extinguisher by the fire-fighting requirement, is installed in the suitable position of above-mentioned occasion, is connected with special-purpose control terminal with opening quick-fried lead-in wire.When fire extinguisher was installed, the available metal guard covered, and to guarantee safety at ordinary times, opened and did not stop that again fire fighting powder outwards disperses when quick-fried.In case the generation condition of a fire is ignited the fire extinguisher at the position that catches fire by control terminal, promptly extinguishes the blaze, and does not give the time of the condition of a fire to stretch, its fire resistance property is all adopted rapidly, reliably, effectively than existing any fire prevention instrument.

As a kind of wireless quick-fried embodiment that opens, electric cap is installed on described explosive 4 and is wirelessly opened quick-fried signal receiver 5, the several blastings charge series connection back on the fire extinguisher is connected with signal receiver 5, so that open quick-fried simultaneously by remote controller.What use at present embodiment is remote controller and the signal receiver that Guangdong Province Da Hua Electronics Factory produces, and the effective control distance of this remote controller is 120-200m.Do not have safety switch on the signal receiver, only the ability closure is enabled when throwing in the scene of a fire; Remote controller adopts safety lock control, to guarantee safety.This fire extinguisher is suitable for various fire situation, especially be suitable for putting out a fire to save life and property of inflammable and explosive large-sized fire such as forest fire, oil depot, can be by modes such as mechanical impelling, air-drops, fire extinguisher is thrown in the scene of a fire batchs ofly, timely and accurately fire extinguisher is opened quick-friedly by remote controller, promptly control and put out various big fire.

Present embodiment is on described explosive 4 blasting cap and primacord to be installed.Primacord stretches out very short one section of the blasting charge, is fixed on the fire extinguisher housing with the blasting charge by Pressure sensitive adhesive tape.This fire extinguisher can directly be rendered to the scene of fire, lights primacord on the fire extinguisher by the naked light of scene of fire and reaches and open quick-fried purpose.Putting out a fire to save life and property of the various fire that this fire extinguisher particularly suitable flame is relatively concentrated.Also can be used as the fire prevention instrument, be located at the scene of easy breaking out of fire, in case breaking out of fire, naked light is lighted primacord on the fire extinguisher and can be opened quick-friedly, reaches the purpose of fire extinguishing.

Claims

1, a kind of fire extinguisher comprises the housing (1) as pressure vessel and is loaded on the interior fire fighting powder (2) of housing, it is characterized in that housing (1) is provided with the charge valve (3) that is used for filling CO 2 gas.

2, fire extinguisher according to claim 1 is characterized in that described housing (1) made by the rubber or the plastic material of reinforcing fibre.

3, fire extinguisher according to claim 1 is characterized in that being installed with on the housing (1) and can open quick-fried explosive (4).

4, fire extinguisher according to claim 3 is characterized in that on the described explosive (4) blasting cap and primacord being installed.

5, fire extinguisher according to claim 3 is characterized in that on the described explosive (4) electric cap being installed.

6, fire extinguisher according to claim 3 is characterized in that being equipped with on the described explosive (4) electric cap and wirelessly opens quick-fried signal receiver.

7, fire extinguisher according to claim 3 is characterized in that described explosive (4) adopts slurry explosives.

8, fire extinguisher according to claim 3 is characterized in that described housing (1) makes by the elastomeric material of reinforcing fibre or plastic material or by the aluminium sheet material.