CN101507866A

CN101507866A - Hand casting type fire extinguisher

Info

Publication number: CN101507866A
Application number: CNA2008100577282A
Authority: CN
Inventors: 王鼎华
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-02-13
Filing date: 2008-02-13
Publication date: 2009-08-19

Abstract

The invention relates to a hand-throwing fire extinguisher, which comprises a pull starting component, a driving component and a fire extinguishing component, wherein the pull starting component is characterized in that the pull starting component consists of a pull rope, a copper bowl filled with a starting agent, a tension spring, a plastic tube and a time delay ignition cord; the driving component consists of a choke plug, a medicine tube and a driving agent, and is characterized in that the choke plug and the medicine tube are made of plastics, and the driving agent is made from gelled nitrated cellulose and additives; and the fire extinguishing component consists of a shell and a fire-extinguishing agent, and is characterized in that the shell is made of crisp straw board paper provided with a moisture-proof membrane and is not subjected to punching treatment. During fire extinguishment, an upper cover is opened, the pull rope is tightly held, the fire extinguisher is thrown, the pull rope drives the tension spring out, the tension spring rubs the copper bowl, the starting agent ignites the time delay ignition cord, the driving agent is ignited after 5 second delay, the shell is broken by the air pressure, and the fire-extinguishing agent is sprayed to extinguish fire. Compared with the patent product 871067044, the hand-throwing fire extinguisher adopts no steel pipes, simplifies structure and technology, is safer and more environment-friendly, is light and convenient to transport and throw, lowers the cost by 30 percent, and increases the fire extinguishing capability by 25 percent.

Description

Hand casting type fire extinguisher

Technical field

The present invention relates to a kind of fire extinguisher, be specifically related to the dry powder extinguisher that a kind of hand-throw type has humidity resistance and do not have steel part.

Background technology

Forestry in 2007 is with in the whole nation bidding conference of hand-throw type dry powder fire extinguisher, the product that Xishan Mountain Beijing area fire extinguisher factory produces in the patent of invention 87106704.4 of application on October 7th, 1987 by me, acceptance of the bid illustrates over 20 years that these patent of invention properties of product are still the best at one stroke.But through the researchs in 20 years and use, we still feel the following points that has of blemish in an otherwise perfect thing: 1, the driver part double-basis sheet gun propellant that nitroglycerine and nitrocotton are made, wherein nitroglycerine is produced special hazard, and toxic.During workman's powder charge, the time has been grown and has just felt headache, and this double-base powder time of peace is seldom produced, and the buying formality is very loaded down with trivial details.Particularly use this medicine to need and can consume more steel with the steel coyote hole of tolerance high pressure, the high pressure steel part, it is dangerous to increase use again, and steel are again high energy consumptions, the material of high pollution, because steel part is arranged, the weight of fire extinguisher has increased by 50%, carrying is thrown all increases trouble.2, housing adopts the mopping of paper shell, and humidity resistance is poor, and at humid area wet season fire-fighting powder caking, even deliquescence lost efficacy, and what have uses plastic casing instead, puts out forest fire, a large amount of plastic flakes contaminated environment, and the plastics fragmentation is inhomogeneous, influence fire extinguishing effect.3, the patented product that has adopts the explosive that manufactures fireworks or high explosive or potassium peroxydisulfate and the azo two isobutyls medicament with regard to decomposing at a lower temperature such as fine, can be without the steel coyote hole, but the gas flow that the burning back produces is too little, have a large amount of solid residues to produce, thereby the fire extinguishing effect is also relatively poor.To use detonator with high explosive, unfavorable to social security.

Purpose of the present invention in order to solve the above-mentioned defective of existing product, is done the driving coyote hole without steel pipe, makes to drive medicament without the double-basis sheet gun propellant.At first study and adopt a kind of draw send out to start after, can very fast decomposition produce a large amount of gases, and produce the carminative of a large amount of heats.Do not need steel pipe only to need plastic tube to make the carminative coyote hole, just can produce enough pressure, coyote hole is pulverized even gasification, and made extinguishing chemical decompose gasification yet, make the fire extinguisher housing can evenly be broken into fine debris.Make fire fighting powder evenly be sprayed to the scene of a fire, the fire extinguishing effect is obviously increased.Increase security performance simultaneously, environmental, transportation is used more convenient.In addition, the present invention increases the skim plastic sheeting in the paper shell inner surface, thereby humidity resistance is increased greatly.Housing paper of the present invention adopts the crisp careless paperboard of matter, adopts suitable carminative simultaneously, and housing can be broken into evenly and fine debris when fire extinguishing, no longer pricks the dotted line shape hole of a lot of bars and housing axis parallel in the housing side as the past.Thereby simplified operation, reduced cost.

Description of drawings

Accompanying drawing is the main pseudosection of the structural representation of novel hand casting type fire extinguisher of the present invention.

1, stay cord; 2, copper bowl; 3, extension spring; 4, pull igniter; 5, fuse cord; 6, plug; 7 pencils; 8, carminative; 9, pencil seat; 10, following damp-proof membrane; 11, the down interior end; 12, following outer bottom; 13, housing; 14, side damp-proof membrane; 15, powder extinguishing agent; 16, go up damp-proof membrane; 17, inward upper cover; Enclosing cover on 18; Stay cord chambers 19; 20, loam cake.

Specific embodiments

With reference to accompanying drawing, hand casting type fire extinguisher of the present invention comprises: stay cord 1, copper bowl 2, extension spring 3, pull igniter 4 are sent out an activation member with drawing of fuse cord 5 compositions.Wherein the inner surface of copper bowl 2 scribbles the medicament that one deck produces fire by friction easily, copper bowl 2 is placed in the plastic pull igniter 4, extension spring 3 usefulness thin copper wires are made coil spring, be also placed in the pull igniter 4, the straight line portion of extension spring 3 passes from the bottom aperture and the pull igniter 4 bottom apertures of copper bowl 2, again from last damp-proof membrane 14, inward upper cover 17, go up enclosing cover 18 and pass to stay cord chamber 19, be connected with stay cord 1 after being twisted into circle.Fuse cord 5 upper ends contact with extension spring 3 from the openend insertion of pull igniter 4.Fuse cord 5 is used to draw and send out starts a back time-delay 4s-5s, makes fire extinguisher launch flight and arrives the fire extinguishing of dusting behind the scene of a fire.

Hand casting type fire extinguisher of the present invention comprises: plug 6, plastics pharmacy pipe 7, the driver part of forming with carminative 8.Wherein closely insert in plug 6 upper end holes fuse cord 5 lower ends, and activation member and driver part are closely coupled together.Plug 6 adds glue with pencil 7 usefulness screw threads and closely is connected, dress carminative 8 in the pencil 7.Plastics pencil 7 sidewalls need not holed, and need not paste side seal paper and inner paper pencil.Operation is greatly simplified, its weight and the minimizing 50% of cost than steel pencil.

Hand casting type fire extinguisher of the present invention, the fire extinguishing parts comprise housing 13, be bonded in the side damp-proof membrane, inward upper cover 17 of shell inner surface, go up extraneous 18 firmly sticks together with last damp-proof membrane 16 usefulness glue, the end 11, following outer bottom 12, following damp-proof membrane bond together down, and the upper and lower side quilt of housing 13 firmly folder is bonded at loam cake 17,18 and goes to the bottom 11,12.Central authorities also are stained with a coyote hole seat 9 at the ends 11 down.Pull igniter 4 upper ends and inward upper cover 17 are bonding, and insert in the pencil seat 9 pencil 7 lower ends, and are adhesively fixed with descending the interior end 11 with glue.Filling powder extinguishing agent 15 in the housing 13.The outer enclosing cover central authorities of going up are stained with foamed plastics system stay cord chamber 19, add loam cake 20, and protection stay cord 1 unlikely quilt at will spurs, and guarantees safety.

Last fire extinguisher appearance sprays damp-proof paint comprehensively.The finished product that is up to the standards is packed in the sealed damp-proof polybag, just takes out from bag in order to fire extinguishing the time.The appearance japanning, the internal layer damp-proof membrane combines with polybag can guarantee humidity resistance.

Hand casting type fire extinguisher of the present invention, the feature that it is the most outstanding: the carminative 8 that has been to use our development test success, the low nitrogen nitrocellulose superfines that main component is gel, and add a spot of nickel nitrate, zinc oxide, plays the centralite of stable effect and a spot of as gain of heat agent such as aluminium powders at the catalyst of lead oxide and so on.Nitrocellulose is an explosive, but becomes the propellant powder of energy smooth combustion after the gel, with the explosive that the detonation reaction can take place essential difference is arranged, and compares with the double-base powder propellant powder, and nontoxic, safer, buying is produced easy.Because be superfine powder, the powder diameter is less than 20 microns, though the detonation reflection can not take place, but can in 1 millisecond, all gasify, if pencil intensity is enough, can form the high pressure of 5MPa, make that the fire extinguisher housing is fine to go to pieces, make fire fighting powder evenly be sprayed to the scene of a fire at a high speed, have bigger fire extinguishing effect (fire-fighting area can increase about 25% than the fire extinguisher of steel coyote hole).

The operation principle of hand casting type fire extinguisher of the present invention: in case catch fire, at first tear the packing plastics bag off, open loam cake (20), stay cord (1) is carefully taken out, hold stay cord (1), fire extinguisher is firmly invested the scene of a fire, stay cord (1) is pulled out extension spring (3) from copper bowl (2), extension spring (3) and copper bowl (2) friction, the interior medicament of copper bowl (2) is got angry, light fuse cord (5), about fuse cord (5) burning 4S to 5S, fire extinguisher drops down onto the scene of a fire, the terminal flame of fuse cord (5) sprays into the coyote hole (7) from plug (6) bottom aperture, make carminative (8) the very fast whole gasifications in 1ms in the pencil (7), and make pencil (7) partial crushing and gasification, waste heat also makes powder extinguishing agent partly decompose.The pressure that forms about 5MPa is sprayed to the scene of a fire quickly and evenly with powder extinguishing agent (15).Thereby produce good physics and inhibition effect.

Enforcement recited above only is that the preferred implementation that wood is invented is described; be not that design of the present invention and scope are limited; do not breaking away under the design concept prerequisite of the present invention; common engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into the protection domain of invention; the technology contents that the present invention asks for protection all is documented in claims.

Claims

1. hand casting type fire extinguisher comprises: an activation member is sent out in drawing that stay cord (1), extension spring (3), copper bowl (2), pull igniter (4), fuse cord (5) are formed; The driver part that plug (6), pencil (7), carminative (8) are formed; The fire extinguishing parts that powder extinguishing agent (15) pencil seat (9) of (10), (11), (12), (13), (14), (16), (17), (18) and filling in it, stay cord chamber (19), loam cake (20) are formed at the bottom of the papery housing of damp-proof membrane and the upper and lower covers in the band.

2. hand casting type fire extinguisher according to claim 1, a described activation member of drawing is characterized in that: copper bowl (3) inner surface is coated with and is stained with because the medicament of friction energy ignition burning.Be placed in the pull igniter (4), extension spring (3) is made with thin copper wire, with one section spiral spring that twines into about diameter 6mm about long 55mm, second half is a long 55mm left and right sides straight line, pass from copper bowl (3) pull igniter (4) bottom aperture, it is outer in stay cord chamber (19) that direct puncture goes out to go up exterior and interior cover, is twisted into a circle and is connected with stay cord (1).Fuse cord (5) is inserted in the pull igniter (4), and insert in the plug (6) lower end.

3. hand casting type fire extinguisher driver part according to claim 1 is characterized in that: plug (6) is made of plastics with coyote hole (7), and the two is with being threaded.Pencil (7) sidewall no longer bores aperture, and side seal paper is no longer pasted in the outside, and filling carminative (8) also no longer adds the paper pencil in it.

4. according to claim 1 and 3 described hand casting type fire extinguishers, its outstanding feature is: the carminative Main Ingredients and Appearance that uses as gel low nitrogen nitrocellulose superfine powder, add a small amount of centralite, gain of heat agent such as catalyst and aluminium powder composition.This superfine powder can very fast whole gasifications in 1 millisecond, and pencil is pulverized even gasification, produce elevated pressures, and powder extinguishing agent is sprayed to scene of a fire fire extinguishing rapidly equably.But this carminative and explosive have the difference of essence, can not produce to destroy big and dangerous detonation reaction.

5. according to the described hand casting type fire extinguisher of claim 1, it is characterized in that: the housing (13) of fire extinguishing parts, one deck damp-proof membrane is all arranged is side damp-proof membrane (14) end (11), inner surface with inward upper cover (17), in down, go up damp-proof membrane (16), damp-proof membrane (10) down.