WO2021125425A1 - Boule d'extinction d'incendie pour éteindre un feu de forêt de grande taille - Google Patents

Boule d'extinction d'incendie pour éteindre un feu de forêt de grande taille Download PDF

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Publication number
WO2021125425A1
WO2021125425A1 PCT/KR2020/000494 KR2020000494W WO2021125425A1 WO 2021125425 A1 WO2021125425 A1 WO 2021125425A1 KR 2020000494 W KR2020000494 W KR 2020000494W WO 2021125425 A1 WO2021125425 A1 WO 2021125425A1
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WO
WIPO (PCT)
Prior art keywords
compressed air
fire
extinguishing
filled
filling ball
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Application number
PCT/KR2020/000494
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English (en)
Korean (ko)
Inventor
이길도
Original Assignee
아이브에어크레프트(주)
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Publication of WO2021125425A1 publication Critical patent/WO2021125425A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0228—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires with delivery of fire extinguishing material by air or aircraft
    • A62C3/025—Fire extinguishing bombs; Projectiles and launchers therefor
    • 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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/06—Containers destroyed or opened by falling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/207—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by the explosive material or the construction of the high explosive warhead, e.g. insensitive ammunition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C11/00—Electric fuzes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming

Definitions

  • the present invention relates to a fire extinguisher for large-scale forest fires, and more particularly, the main body of the fire extinguishing container in which the powder extinguishing agent is accommodated is formed of an eco-friendly material to prevent environmental pollution, and because the structure is simple, the contained powder extinguishing agent is dropped from the aircraft It relates to a large-scale wildfire extinguishing grenade that can be quickly dispersed in the city air and can effectively extinguish forest fires.
  • a fire extinguisher refers to a portable device that puts out a fire by using the effect of cooling or air blocking of a fire extinguishing agent in an extremely early stage of a fire.
  • fire extinguishers There are several types of fire extinguishers depending on the drug used or its mechanism, but currently used fire extinguishers include foam fire extinguishers, powder fire extinguishers, halon fire extinguishers, and carbon dioxide fire extinguishers.
  • Such a fire extinguisher includes a pressure-resistant container-shaped container in which the extinguishing agent is filled, a valve installed in the upper inlet of the container, and a nozzle part in the form of a tube connected to the valve.
  • the valve is equipped with a pressure gauge and a handle.
  • the nozzle section usually includes a flexible hose to ensure accurate spraying towards the fire point.
  • the type of extinguishing agent used may vary depending on the nature of the ignition material or the place where it is used. Recently, a fire extinguisher using an eco-friendly agent has been proposed to be used for civil or military use.
  • the present invention has been devised to solve the problems of the prior art, and an object of the present invention is to prevent environmental pollution by forming the main body of the acid fluorination container in which the powder extinguishing agent is accommodated by using an eco-friendly material, and having a simple structure to accommodate the powder
  • An object of the present invention is to provide a large-scale forest fire extinguishing grenade that can effectively extinguish forest fires by allowing the extinguishing agent to be dispersed quickly in the air when it is dropped from an aircraft.
  • the present invention is a fire extinguisher filled with a powder extinguishing agent to suppress a wildfire by throwing it through an aircraft, an acid fluoride fire extinguishing container body having an accommodating space therein, a powder extinguishing agent filled in the accommodating space of the wildfire extinguishing container body, and the wildfire It is characterized in that it is made of a dehumidifying agent that is filled in the receiving space of the fire extinguishing body to remove moisture.
  • An aerial explosion means is further provided in the main body for acid fluoride fire fighting to scatter in the air after being thrown from the aircraft and then exploded in the air to scatter the filled powder extinguishing agent in the air
  • the aerial explosive means is an explosive housing formed on the inner surface of the main body for fire fighting. and a gunpowder filled in the explosive housing, a spark plug disposed inside the explosion housing to ignite the gunpowder, and a timer formed in the explosion housing to transmit a signal to the spark plug
  • the main body for acid fluoride fire-fighting is characterized in that a wireless transmission and reception unit is further provided to transmit an ignition signal to the spark plug by receiving an ignition signal from the outside.
  • Compressed air scattering means is further provided in the main body for acid fluorination to scatter the powdered extinguishing agent filled by the compressed air filled therein, and the compressed air scattering means is formed in the main body for oxygen fluorination to communicate with the accommodation space.
  • an air inlet through which compressed air is injected a connecting pipe having one end fixed to communicate with the air inlet on the inner surface of the main body for acid fluorination to deliver compressed air, and installed inside the connecting pipe to move the compressed air and a compressed air filling ball fixed to the other end of the connecting pipe and having a through-hole filled by receiving compressed air from the connecting pipe, and the compressed air filled while the compressed air filling ball is crushed. It is characterized in that the powder extinguishing agent is scattered while ejecting.
  • the powder fire extinguishing agent filled inside is dispersed when the oxygen fluorination container body and the compressed air filling ball are crushed, as well as uniformly crushing the compressed air filling ball by transmitting the impact caused by the collision when it is thrown.
  • a uniform crushing and scattering means is further provided to do so, and the uniform crushing and scattering means includes annular outer crushing grooves formed on the outer surface of the compressed air filling ball, and annular inner crushing grooves formed on the inner surface of the compressed air filling ball.
  • One end is fixed to the panel, and the other end is fixed by being fitted into the seating groove, and an elastic shaft that transmits the impact of the main body for acid fluorination to the compressed air filling ball is formed while maintaining a certain distance along the elastic shaft.
  • it comprises a scattering blade that receives the vibration of the elastic shaft and vibrates to disperse the extinguishing powder, and a locking panel formed on the elastic shaft to prevent the other end of the elastic shaft from falling out of the seating groove.
  • the present invention's large-scale forest fire extinguishing coal is made of an eco-friendly material for the main body of the fire extinguishing container in which the powder extinguishing agent is accommodated, thereby preventing environmental pollution, and its simple structure makes it possible to quickly scatter the contained powder extinguishing agent in the air when falling from the aircraft. It is effective in extinguishing wildfires effectively.
  • FIG. 1 is a perspective view showing a fire extinguisher for large-scale wildfire extinguishing according to the present invention.
  • FIG. 2 is a cross-sectional view showing a fire extinguisher for large-scale forest fire extinguishing according to the present invention.
  • FIG 3 is a cross-sectional view showing another embodiment of a fire extinguisher for large-scale wildfire extinguishing according to the present invention.
  • FIG. 4 is a cross-sectional view showing another embodiment of a fire extinguisher for large-scale wildfire extinguishing according to the present invention.
  • FIG. 5 is a cross-sectional view showing another embodiment of a fire extinguisher for large-scale wildfire extinguishing according to the present invention.
  • FIG. 6 is a cross-sectional view showing the compressed air scattering means of FIG.
  • FIG. 7 is a cross-sectional view showing another embodiment of a fire extinguisher for large-scale wildfire extinguishing according to the present invention.
  • FIG. 8 is a cross-sectional view showing another embodiment of a fire extinguisher for large-scale wildfire extinguishing according to the present invention.
  • 1 is a perspective view showing a fire extinguisher for large-scale wildfire extinguishing according to the present invention.
  • 2 is a cross-sectional view showing a fire extinguisher for large-scale forest fire extinguishing according to the present invention.
  • 3 is a cross-sectional view showing another embodiment of a fire extinguisher for large-scale wildfire extinguishing according to the present invention.
  • 4 is a cross-sectional view showing another embodiment of a fire extinguisher for large-scale wildfire extinguishing according to the present invention.
  • 5 is a cross-sectional view showing another embodiment of a fire extinguisher for large-scale wildfire extinguishing according to the present invention.
  • FIG. 6 is a cross-sectional view showing the compressed air scattering means of FIG. 7 is a cross-sectional view showing another embodiment of a fire extinguisher for large-scale wildfire extinguishing according to the present invention.
  • 8 is a cross-sectional view showing another embodiment of a fire extinguisher for large-scale wildfire extinguishing according to the present invention.
  • the present inventor's large wildfire extinguishing munition 10 (hereinafter referred to as a forest fire extinguishing munition for convenience of description) is an ignition point at which a forest fire is generated by an aircraft (airplane, helicopter, drone, etc.)
  • a fire extinguishing coal 10 filled with a powder extinguishing agent 30 to suppress a fire by being thrown into the fire extinguisher, and such a fire extinguishing coal 10 is composed of an acid fluoride fire extinguishing container body 20, a powder extinguishing agent 30 and a desiccant 40. is done
  • the oxygen fluorination container body 20 has a closed structure, and an accommodation space is provided therein.
  • the acid fluorination container body 20 is formed by mixing potato starch or sweet potato starch with water in a weight ratio of 7: 3 to form a semi-axis, molded into a container having an accommodating space therein, and then hardened.
  • the acid fluorination container body 20 may be used as long as it is environmentally friendly and is harmless to the human body and damaged by impact during hardening other than potato starch and sweet potato starch.
  • the acid fluorination container body 20 may be formed of a synthetic resin material to be crushed upon impact, or it may be formed of a paper material.
  • the powder extinguishing agent 30 is filled in the accommodating space of the oxygen fluorination container body 20 .
  • potassium urea hydrogencarbonate and ammonium phosphate are used, and any extinguishing agent in powder form may be used.
  • the urea potassium bicarbonate is a powder fire extinguishing agent 72 made by reacting urea with a potassium salt having a strong side catalytic effect, and is effective for oil fires and electric fires.
  • This extinguishing agent (72) agent is said to have two to four times the extinguishing effect on oil fires compared to previous agents.
  • the ammonium phosphate is called ABC powder, and has been used the most recently. Like ABC's name, it applies to any of Class A fires (general fires), Class B fires (oil fires), and Class C fires (electrical equipment fires). In addition to the action of the powder, there is a dehydration action and dustproof action of phosphoric acid, so the scope of the digestive action is widened.
  • the desiccant 40 is filled in the accommodating space of the oxygen fluoridation container body 20 to remove moisture.
  • the desiccant 40 is packaged in a wrapping paper made of a synthetic fiber material that is a breathable sheet of silica gel, and any one may be used as long as it removes moisture.
  • the powder extinguishing agent 30 collides by the stirring pin so that the powder extinguishing agent 30 is agglomerated It is desirable to prevent
  • the fire extinguisher 10 configured as described above throws the fire extinguisher 10 from the aircraft at the ignition point and collides with a tree or the ground, and the acid fluoride fire extinguishing container body 20 is crushed and the powdered fire extinguishing agent filled inside As (30) is scattered, it becomes possible to extinguish the fire.
  • An aerial explosion means is further provided in the acid fluoride fire extinguishing body 20 to scatter the powdered extinguishing agent 30 filled by exploding in the air after being thrown from the aircraft.
  • the aerial explosive means includes an explosion housing 71 having a space therein which is fixed by bonding or screwing to the inner surface of the main body 20 for extinguishing acid fluoride, and gunpowder 72 filled in the explosion housing 71. ), a spark plug 73 attached to the inner surface of the explosion housing 71 to ignite the gunpowder 72, and a spark plug 73 formed in the explosion housing 71 to transmit a signal to the spark plug 73 It consists of a timer 74, and the wireless transmission/reception unit 75 is further provided in the main body 20 for fire extinguishing, so that an ignition signal is transmitted from the outside to transmit the ignition signal to the spark plug 73.
  • the timer 74 transmits a signal to the spark plug 73 to ignite the gunpowder 72 and explode, thereby setting the ignition point in the sky. 30) is scattered, so that the fire suppression efficiency can be improved and the suppression range can be expanded.
  • the user transmits a signal to the wireless transceiver 75 through the wireless terminal so that the gunpowder 72 is ignited through the spark plug 73, so that it is thrown from the aircraft under the control of the user and then explodes in the air. It is possible.
  • a compressed air scattering means 50 is further provided in the acid fluorination container body 20 to scatter the powdered extinguishing agent 30 filled by the compressed air filled therein.
  • the compressed air scattering means 50 is formed in communication with the accommodating space in the acid fluorination container body 20, and an air inlet 51 through which compressed air is injected, and on the inner surface of the acid fluorination container body 20 One end is integrally formed so as to communicate with the air inlet 51, or a connector 52 that is adhesively fixed after being inserted into the air inlet 51 to deliver compressed air, and the connector 52 is fitted inside A check valve 53 that is adhered and fixed after being fixed and controls the movement of compressed air, and a through hole 541 fixed to the other end of the connection pipe 52 and filled with compressed air from the connection pipe 52 ) is formed of the compressed air filling ball 54, and as the compressed air filling ball 54 is crushed, the filled compressed air is ejected to scatter the powder extinguishing agent 30, thereby improving the scattering efficiency.
  • the connecting pipe 52 and the compressed air filling ball 54 are made of the same material as the main body 20 for acid fluorination, and it is also possible to make them of a synthetic resin material or a paper material.
  • connection pipe 52 The end of the connection pipe 52 is inserted and fixed in the through hole 541 of the compressed air filling ball 54, and the compressed air filling ball 54 and the connection pipe 52 are integrally formed. It is also possible
  • connection pipe 52 By connecting the hose of the air pump to the connection pipe 52 , compressed air is filled in the compressed air filling ball 54 through the check valve 53 , and the compressed air filled by the check valve 53 is to prevent discharge.
  • the compressed air filling ball 54 collides with the tree or the ground in the process of falling after the fire bomb 10 is thrown, and is crushed, and then the compressed air filling collision collides with the tree or the ground.
  • crushing the filled compressed air is ejected to the outside and scatters while pushing the powder extinguishing agent 30, so that the scattering efficiency and fire suppression efficiency can be increased, and the fire suppression range can be widened.
  • the compressed air is ejected while the compressed air filling ball 54 is crushed while the fire bomb 10 is exploded in the air by the aerial explosive means, thereby increasing the scattering efficiency of the powder extinguishing agent 30 .
  • the air pump After inserting the air pump into the connecting pipe 52, the air pump is fixed and the inlet of the air pump is connected to the check valve 53, and on the outer surface of the main body 20 for acid fluorination, the air pump and electrically
  • the impact sensor detects the impact and transmits a signal to the air pump when the fire munition 10 is thrown and then exploded in the air or in a collision, and the check valve 53 is closed
  • the check valve 53 is closed
  • the driving pen continuously drives when the fire extinguisher 10 is thrown and crushed while the powder extinguishing agent 30 It is desirable to spread the fire continuously to widen the fire suppression range.
  • the blow ball that is moved by receiving the impact when the fire munition 10 is thrown to collide with a tree or the ground is the compressed air filling ball ( 54) is crushed by hitting, so that compressed air is ejected, it is preferable to prevent the impact from not being transmitted to the compressed air filling ball 54 and not crushed.
  • friction protrusions are integrally formed on the outer surface of the striking ball so that they are crushed while collided with the inner surface of the compressed air filling ball 54 .
  • the oxygen fluorination container body 20 transmits an impact caused by a collision when thrown to uniformly crush the compressed air filling ball 54, and the acid fluorination container body 20 and the compressed air filling ball 54
  • a uniform crushing and scattering means (60) is further provided to disperse the powdered extinguishing agent (30) filled therein during this crushing.
  • the uniform crushing and scattering means 60 includes annular outer crushing grooves 61 formed while maintaining a predetermined distance on the outer surface of the compressed air filling ball 54, and a predetermined amount on the inner surface of the compressed air filling ball 54.
  • Annular inner crushing grooves 62 formed while maintaining a distance, binding grooves 63 formed on the inner surface of the main body 20 for acid fluorination, and synthetic resin material fitted into the binding grooves 63 or
  • the elastic shaft 66 made of the elastic shaft 66 and a synthetic resin material having elasticity that is adhered or integrally formed while maintaining a predetermined distance along the elastic shaft 66 and is vibrated by receiving the vibration of the elastic shaft 66 to scatter fire extinguishing powder
  • the flying wings 67 made of a metallic material having elasticity and the other end of the elastic shaft 66 are attached to or integrally formed with the elastic shaft 66 to prevent the other end from falling out of the seating groove 65.
  • the elastic shaft 66 is bent while being pressed by receiving an impact, and the pressing force of the elastic shaft 66 is transmitted to the compressed air filling ball 54 to crush the compressed air filling ball 54 to be filled.
  • annular outer crushing grooves 61 are formed on the outer surface of the compressed air filling ball 54, and annular inner crushing grooves 62 are formed on the inner surface, so that the outer crushing grooves 61 or the inner crushing grooves 61 are formed.
  • the compressed air filling ball 54 is crushed along the groove 62 to uniformly crush the compressed air filling ball 54, thereby preventing the compressed air from being ejected unbalanced.
  • the elastic shaft 66 bent while being pressed in the process of the collision of the acid fluoride fire extinguishing container body 20 is restored by elasticity
  • the elastic shaft 66 and the flying wings 67 are combined with the powder extinguishing agent 30 ) by pressurizing and pushing out, it is possible to improve the firing efficiency and increase the fire suppression efficiency, and to widen the fire suppression range.
  • the inner surface of the main body 20 for acid fluorination is fixed by bonding or screwing a fixing ring, and one end of the elastic rope made of a synthetic resin material having elasticity is attached to the elastic shaft 66 (of the elastic shaft 66).
  • the elastic shaft 66 By attaching or binding to the middle part) and fixing the other end to the fixing ring in a pulled state, the elastic shaft 66 is bent and stretched while being pulled, and the acid fluoride fire extinguishing container body 20 when thrown ) is crushed, the elastic shaft 66, which is bent as the fixing ring is separated from the acid fluorination container body 20, is restored by elasticity, and the elastic shaft 66 and the flying wings 67 are the powder. It is preferable to pressurize the extinguishing agent 30 to increase the scattering efficiency.
  • fire extinguisher 20 basic body for acid fluoride fire
  • connection pipe 53 check valve

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

La présente invention se rapporte à une boule d'extinction d'incendie pour éteindre un feu de forêt de grande taille et, de façon plus précise, à une boule d'extinction d'incendie remplie d'un agent de poudre d'extinction d'incendie de sorte à être lâchée au moyen d'un véhicule aérien, ce qui permet d'éteindre un feu de forêt, la boule comprenant : un corps de boîtier d'extinction de feu de forêt dans lequel un espace de réception est prévu ; un agent de poudre d'extinction d'incendie remplissant l'espace de réception du corps de boîtier d'extinction de feu de forêt ; et un absorbant d'humidité remplissant l'espace de réception du corps de boîtier d'extinction de feu de forêt de sorte à éliminer l'humidité et, par conséquent, le corps de boîtier d'extinction de feu de forêt pour recevoir l'agent de poudre d'extinction d'incendie est réalisé en un matériau écologique de sorte à empêcher la pollution environnementale, et qui présente une structure simple de telle sorte que l'agent de poudre d'extinction d'incendie reçu puisse être rapidement dispersé dans l'air pendant la chute à partir du véhicule aérien, ce qui permet d'éteindre de manière efficace le feu de forêt.
PCT/KR2020/000494 2019-12-18 2020-01-10 Boule d'extinction d'incendie pour éteindre un feu de forêt de grande taille WO2021125425A1 (fr)

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KR10-2019-0169603 2019-12-18
KR1020190169603A KR102112321B1 (ko) 2019-12-18 2019-12-18 대형 산불 진화용 소화탄

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KR20220061600A (ko) * 2020-11-06 2022-05-13 안광훈 압전소자를 이용한 소화장치
CN112619001B (zh) * 2020-12-17 2021-09-24 西安天河矿业科技有限责任公司 一种高水胶囊灭火弹装置
KR20240003081A (ko) 2022-06-30 2024-01-08 한국생산기술연구원 가스 하이드레이트 소화탄 및 이를 이용한 화염 진압 방법
KR102483375B1 (ko) 2022-07-01 2022-12-30 사태형 소화탄
KR102649179B1 (ko) 2023-04-27 2024-03-22 강소 주식회사 소화탄 소화약제의 산포각도를 조절하는 소화탄 거치대 구조

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KR100478634B1 (ko) 2000-11-20 2005-03-23 채민수 웹상에서의 순간돌출광고 제공장치 및 그 방법

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KR970005664U (ko) * 1995-07-28 1997-02-19 플랙시블 주입부트가 구비된 저장탱크
KR19980067749A (ko) * 1997-02-06 1998-10-15 호봉식 소화탄 및 그 발사장치
KR20010104154A (ko) * 2000-05-13 2001-11-24 한상배 인력과 장비의 접근이 어려운 원거리 화재의 진화방법 및장치
KR200372132Y1 (ko) * 2004-09-22 2005-01-10 이종인 테스트 볼이 내장된 분말 소화기
CN207356450U (zh) * 2017-09-29 2018-05-15 四川胜捷消防设备制造有限公司 多方位消防灭火球

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