CN1039388C - Safe, automatic dry chemical fire extinguisher - Google Patents
Safe, automatic dry chemical fire extinguisher Download PDFInfo
- Publication number
- CN1039388C CN1039388C CN 94102844 CN94102844A CN1039388C CN 1039388 C CN1039388 C CN 1039388C CN 94102844 CN94102844 CN 94102844 CN 94102844 A CN94102844 A CN 94102844A CN 1039388 C CN1039388 C CN 1039388C
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- CN
- China
- Prior art keywords
- fire extinguisher
- pipe
- igniting
- fire
- shed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The present invention relates to a throw type fire extinguisher which comprises a casing, a spreading pipe and ignition devices, wherein fire-extinguishing dry powder is filled between the casing and the spreading pipe in which spreading medicine is filled; the ignition devices, in which priming pipes and igniting primers are arranged, are respectively arranged at both ends of the spreading pipe; the ignition devices are sealed by igniting sheets, and shields cover the exposed parts of the ignition devices; an outer wrapping layer is arranged outside the casing; a flame retardant layer is arranged be through the casing and the outer wrapping layer. The fire extinguisher of the present invention has the bidirectional ignition function with two-stage amplification, has the advantages of high reliability, good sealing performance, moisture-proof performance and shock resistant performance, and has the functions of automatic fire extinguishment and preset fire extinguishment.
Description
The present invention relates to have to the two-way ignition channel of flame momentum two-stage amplification and the hand casting type fire extinguisher of automatic fire-extinguishing function, can be used for places such as forest, grassland, mine, oil field, airport, car and boat, warehouse, factory, hotel, theater, be specially adapted to the place (as the desert region) and the skyscraper of water scarcity, can put out wooden and other flammable solid materials with it, the caused fire of flammable liquid and gas and electrical equipment.
Hand casting type fire extinguisher is than hand fire extinguisher several meters to the tens meters uses that can keep fire away, and the papery fragment of its housing aloft disperses to the human zero damage; Operation is simpler, convenient, fast than hand fire extinguisher,
Existing hand-throw type dry powder fire extinguisher, it as application number disclosed portable dry powder extinguisher in the patent application of CN89201491, its structure has a cylindrical shape papery shell, pipe is shed with the porous hard tube in the axle center, interior dress is shed medicine, shed Guan Yiduan and ignite and twist with the fingers and unidirectional ignition channel, the other end is shut.Shed the pipe and the papery shell between fill up fire-fighting powder.Its fire-fighting principle is to produce high-pressure injection gas to shed fire-fighting powder, chemical method and physical method dual-purpose, and fire extinguishing is rapidly.But this fire extinguisher remains following shortcoming and defect: owing to be unidirectional igniting, in case ignition channel breaks down, promptly can cause losing efficacy (being misfire) poor reliability; Must tick the sth. made by twisting of igniting during use, not have and preset fire extinguishing, automatic fire-extinguishing function; The outer no fire retardant of housing, if burnt at the igniting front casing, dry powder is scattered, fire extinguisher will lose efficacy; The not only non-moistureproof but also antidetonation not of mudding is difficult to guarantee that problem does not take place fire extinguisher quality under long-term standby and long traffic condition; Go out the solid fire, the liquid fire that goes out will branch usefulness; Fire extinguishing effectiveness is not satisfactory.
Application number be the safety and self-explosion dry chemical projectile patent application of CN87216992 and multi-functional dry powder that application number is CN91221647 the principle of fire extinguisher patent application is roughly the same voluntarily, all be that three lead-in wires enter a passage, they are not multichannels.Can be clear that from accompanying drawing these two kinds belong to multilead, single channel.
If break down in the single passage in the practicality, use many again lead-in wires can not bring into play the effect of lighting.
The dry powder extinguisher of disclosed highly effective and safe is twin-channel in the CN91217771 application, but its lead-in wire is directly to enter in the spherical cavity that propellant powder is housed, not the measure that the flame momentum is amplified.Need stronger flame momentum because of lighting propellant powder, only situation about can not light with the normal generation of lead-in wire.
Use nitrocellulose and celluloid as joint filling material in the CN91217771 application, but do not have safeguard measure, broken in transit easily and lost efficacy.
The objective of the invention is to solve above-mentioned weak point of the prior art, it is higher to design a kind of reliability, has the new type of safe Automatic Fire Extinguisher that presets fire resistance property.
Purpose of the present invention can reach by following measure:
This hand casting type fire extinguisher, comprise cylindrical shell, shed pipe, its almost coaxial is arranged on the central authorities of housing, shed to be equipped with in the pipe and shed medicine, shed a plurality of through holes are arranged on the tube wall, housing and shed and be filled with fire-fighting powder between the pipe, also include the igniter of two-stage enlarging function, it is separately positioned on the both ends of shedding pipe, described igniter comprises firing device and the fiery device of biography, and their vertically are provided with along shedding pipe, and wherein firing device top is sealed by Kindling sheet, the fiery device of described biography bottom communicates with shedding pipe, communicates by flash hole between the described stream oriented device.
Purpose of the present invention can also reach by following measure:
The firing device of this fire extinguisher also comprises ignite part and ignition tube, and dress expands the combustion medicine in the ignition tube, and part one end of igniting contacts with expanding the combustion medicine, and the other end contacts with Kindling sheet, and it plays first order amplification to the flame momentum of the part of igniting.The fiery device of described biography is the igniting primer of interior dress starting mix, and it plays second level amplification to the flame momentum of the part of igniting.The described part of igniting is the sth. made by twisting of igniting (ignite to twist with the fingers and also claim fuse cord in industrial products).Described igniter also comprises spreads base, described firing device and pass fiery device and vertically be arranged on and shed in the base along shedding pipe.There is internal thread at described two ends of shedding pipe, and the described base of shedding has the external screw thread that matches with described internal thread, thereby make igniter and shed pipe and become and be threaded.Also comprise over cap, suspension ring, described Kindling sheet are the nitrocotton thin slice, and it and over cap, suspension ring are formed the Automatic Fire Extinguisher parts.Described housing is wrapped with an integument, is provided with a flame-retardant layer between described housing and outer wrapping layer.Described flame-retardant layer is one deck fire retardant papers.Igniter is covered with over cap at the exposed parts of housing, and this over cap can be made with plastic material, and it shields to Kindling sheet.
Below in conjunction with accompanying drawing one step of a preferred embodiment ground of the present invention is described in detail.
In the present embodiment, this hand casting type fire extinguisher comprise cylindrical shape housing 12 made of paper shed the pipe 14, its almost coaxial is arranged on the central authorities of housing 12, and has and the essentially identical longitudinal length of housing, shed to be equipped with in the pipe and shed medicine 9, shedding has a plurality of holes logical 22 on pipe 14 walls.Housing 12 and shed and be filled with fire-fighting powder 13 between the pipe, shedding in the pipe 14 has inside lining sleeve 15, and the outside has every art printing paper 16, is used for preventing that fire-fighting powder is subjected to shedding the pollution of medicine, and the pipe of shedding after also guaranteeing to ignite produces gases at high pressure in the several seconds.Igniter 23 is separately positioned on the both ends of shedding pipe, thereby realizes the two-way igniting to the amplification of flame momentum two-stage.This igniter 23 comprises sheds base 5, firing device 24 and the fiery device 25 of biography; Firing device 24 comprises ignite part 21 and ignition tube 20 again.Expand combustion medicine 19, pass fiery device and comprise igniting primer 18, starting mix 17.Shed base 5 and have external screw thread, there is the internal thread that matches with described external screw thread at the two ends of shedding pipe 14, shed pipe top recess is arranged, this recess exposes housing 12 end faces, thereby make and shed base 5 and shed pipe 14 and realize being threaded, the ignition tube 20 that plays first order amplification is being adorned on thorax top in shedding base 5, is equipped with in this pipe to expand combustion medicine 19.There is an aperture ignition tube upper end, and part 21 bottoms of igniting are embedded in to be expanded in the combustion medicine 19, and the ignition tube upper surface is exposed in the upper end, and two locating holes that are used for ignition tube location usefulness are arranged on these aperture both sides.Shed the igniting primer 18 that second level amplification has been equipped with in the interior bottom of base, in starting mix 17 is housed, its upper end contacts with ignition tube, and a flash hole 26 is arranged, lower ending opening, and with shed pipe and communicate, can place a partition 4 in the aperture bottom of ignition tube bottom, prevent to shed medicine and directly contact mutually with starting mix, in the present embodiment, there are internal layer 8 and outer 7 in the housing both ends, internal layer 8 and outer 7 is papery, one deck flame-resistant sheet 6 is set between ectonexine, and there is a papery integument 10 outside of shell 12, and a fire retardant papers 11 is set between shell and integument.The setting of flame-resistant sheet 6 and fire retardant papers 11 is to be used for preventing before automatic ignition device is lighted a fire, housing made of paper is burnt, and causes fire-fighting powder to be scattered and fire extinguisher was lost efficacy, in shedding base 5 upper end concave surfaces, seal with nitrocotton thin slice 3, this thin slice bottom directly contacts with the part 21 of igniting.The moistureproof ability of nitrocotton thin slice is strong, can burn, and adopts it to seal and can make not only that fire-fighting powder is nonhygroscopic not to lump, and can prolong effective life greatly, makes fire extinguisher have automatic fire-extinguishing function again.The biography fire structure of the two-way igniting of Automatic Fire Extinguisher of the present invention is work like this: the sheet 3-that ignites expansion combustion medicine 19-starting mix 17-sheds medicine 9 and forms the burning train (claiming to pass fiery series again) that an energy amplifies step by step, this burning train is the high-pressure injection gas of 1500-2000 kg/cm for fire extinguisher provides instantaneous pressure, passes to shed hole 22 fire-fighting powder of adorning in the paper web is shed away again.Be outside open aperture and make gases at high pressure when the abrupt release energy, reduce invalid resistance owing to shed the hole, can make fire-fighting powder by the far away of impelling and be evenly distributed, improved the fire extinguishing effectiveness of fire extinguisher.Again because the shock wave that high-pressure injection gas is produced when shedding fire-fighting powder with the flame burning things which may cause a fire disaster that blows off, has more strengthened the fire extinguishing power of novel hand-throw type safety Automatic Fire Extinguisher.Automatic Fire Extinguisher parts of the present invention comprise the plastic cement over cap, sheet and suspension ring ignite; can be preset in the room or in the warehouse; when unattended and fire takes place; as long as the naked light plastic cement over cap 2 on the fire extinguisher that ignited is arranged, the part 3 of igniting that will ignite is ignited fire extinguisher voluntarily when fire takes place; thereby reach the function of self-extinguishing; in addition, suspension ring 1 can also be set, as the usefulness that hangs this Automatic Fire Extinguisher at the housing both ends.
In sum, the present invention compared with prior art has following advantage:
Owing to be provided with the igniter of two-stage enlarging function shedding the pipe two ends, thereby realize The two-way igniting of high flame momentum is according to probability theory, if unidirectional crash rate is percent One, then two-way igniting crash rate only be ten thousand/, therefore igniter of the present invention can be greatly Improve the igniting reliability. Because igniter external application nitrocotton thin slice of the present invention is made the Kindling sheet envelope Mouthful, sealing, moisture resistance are good, thereby have greatly improved Acceptable life and be suitable for long-term For subsequent use. Because the nitrocotton thin slice directly contacts with putting kindling, and the nitrocotton thin slice is easy fuel wood Material, thus make the standby self-extinguishing of fire extinguishing appliance of the present invention and preset the function of fire extinguishing, compare In the prior art of mudding mouth, fire fighting with fire extinguisher of the present invention is swift in motion, and has improved fire extinguishing Efficient is stamped protective cover at the igniter exposed parts, thereby makes fire extinguisher of the present invention Possess and be suitable for long-distance transport, the function of quakeproof and quake-resistant is arranged, fire extinguisher reliability height of the present invention, Fire extinguishing is easy to long-term storage rapidly, has therefore improved fire extinguishing effectiveness, has reduced simultaneously fire extinguishing Cost.
Claims (9)
1. novel hand casting type fire extinguisher, comprise cylindrical shell (12), shed pipe (14), its almost coaxial is arranged on the central authorities of housing (12), sheds to be equipped with in the pipe and sheds medicine (9), shedding on pipe (14) wall has a plurality of through holes, housing (12) and shed and be filled with fire-fighting powder (13) between the pipe; It is characterized in that, also include the igniter (23) of the two poles of the earth enlarging function, it is separately positioned on the both ends of shedding pipe, described igniter (23) comprises firing device (24) and passes fiery device (25), they vertically are provided with along shedding pipe, described firing device (24) further comprises ignition tube (20), and dress expands combustion medicine (19) in the ignition tube (20); The fiery device of described biography (25) is the igniting primer (24) of interior dress starting mix (17); The fiery device of described biography (25) bottom with shed pipe and communicate; Communicate by flash hole (26) between the described stream oriented device (24) (25).
2. according to the described fire extinguisher of claim 1, it is characterized in that, also comprise part of igniting (21) and Kindling sheet (3), part (21) one ends of igniting contact with expanding combustion medicine (19), and the other end contacts with Kindling sheet (3).
3. according to the described fire extinguisher of claim 1, it is characterized in that: the described part of igniting (21) is the sth. made by twisting of igniting.
4. according to the described fire extinguisher of claim 1, it is characterized in that described igniter (23) also comprises spreads base (5), pipe (14) is vertical to be shed in the base (5) with being arranged on along shedding for described firing device (24) and the fiery device of biography (25).
5. according to the described fire extinguisher of claim 4, it is characterized in that: there is internal thread at described two ends of shedding pipe (14), the described base (5) of shedding has the external screw thread that matches with described internal thread, thereby makes igniter (23) and shed pipe (14) and become and be threaded.
6. according to the described fire extinguisher of claim 1, it is characterized in that: also comprise over cap (2), suspension ring (1), described Kindling sheet (3) is the nitrocotton thin slice, it and over cap (2), suspension ring (1) are formed the Automatic Fire Extinguisher parts.
7. according to the described fire extinguisher of claim 1, it is characterized in that: described housing (12) is wrapped with an integument (10), is provided with a flame-retardant layer (11) between described housing (12) and outer wrapping layer (10).
8. according to the described fire extinguisher of claim 1, it is characterized in that: described flame-retardant layer (11) is one deck fire retardant papers.
9. according to the described fire extinguisher of claim 1, it is characterized in that igniter is covered with over cap (2) at the exposed parts of housing, the available plastic material of this over cap (2) is made, and it shields to Kindling sheet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94102844 CN1039388C (en) | 1994-03-25 | 1994-03-25 | Safe, automatic dry chemical fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94102844 CN1039388C (en) | 1994-03-25 | 1994-03-25 | Safe, automatic dry chemical fire extinguisher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1095300A CN1095300A (en) | 1994-11-23 |
| CN1039388C true CN1039388C (en) | 1998-08-05 |
Family
ID=5030820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94102844 Expired - Fee Related CN1039388C (en) | 1994-03-25 | 1994-03-25 | Safe, automatic dry chemical fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1039388C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101049531B (en) * | 2007-05-10 | 2012-09-05 | 吴思德 | Fire extinguishing apparatus of dry powder |
| CN105664407B (en) * | 2016-04-07 | 2021-04-30 | 张正泉 | Fire-fighting cannonball |
| CN106091002A (en) * | 2016-07-22 | 2016-11-09 | 西安北方惠安化学工业有限公司 | A kind of ignition of gas generator system |
| CN113979821A (en) * | 2021-11-01 | 2022-01-28 | 中国船舶重工集团公司第七一八研究所 | High-reliability multistage ignition mode |
-
1994
- 1994-03-25 CN CN 94102844 patent/CN1039388C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1095300A (en) | 1994-11-23 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |