WO2015172619A1 - Fast fire extinguishing agent for mountain fire along electric transmission line - Google Patents
Fast fire extinguishing agent for mountain fire along electric transmission line Download PDFInfo
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- WO2015172619A1 WO2015172619A1 PCT/CN2015/076412 CN2015076412W WO2015172619A1 WO 2015172619 A1 WO2015172619 A1 WO 2015172619A1 CN 2015076412 W CN2015076412 W CN 2015076412W WO 2015172619 A1 WO2015172619 A1 WO 2015172619A1
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- fire
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- transmission line
- fire extinguishing
- extinguishing agent
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/06—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires containing gas-producing, chemically-reactive components
Definitions
- the invention belongs to the technical field of fire-fighting equipment, and particularly relates to a fire extinguishing agent for mountain fires on a transmission line.
- the technical proposal of the invention is that the provided transmission line mountain fire fast extinguishing agent is composed of the following components (weight ratio):
- the transmission line mountain fire rapid fire extinguishing agent product of the invention When used, it is diluted with water in a ratio of 1:20. Then, the diluted solution is filled into a water mist fire extinguisher, and sprayed in a fine mist spray to the fire to extinguish the fire.
- the product When storing the transmission line mountain fire fast extinguishing agent product, the product should be stored in a sealed, light-proof container.
- the phosphorus-containing compound can interfere with the oxidation reaction of carbon and the gasification process of the polymer, increase the char formation rate, prevent the decomposition of the polymer, and inhibit the combustion of the carbon-containing compound in time.
- sodium tripolyphosphate can also act to solubilize other compounds. Ethylene glycol increases the solubility of the compound and enhances the frost resistance of the fire extinguishing solution, making it more suitable for fire fighting requirements during freezing weather.
- the technical solution of the present invention uses the chlorine-containing compound sodium chloride and the phosphorus-containing compound dipotassium hydrogen phosphate, sodium tripolyphosphate as the main component of chemical flame retardant; two kinds of nitrogen-containing compounds having different decomposition temperatures- Ammonium carbonate and urea, by decomposition to produce ammonia and carbon dioxide, continue to physically isolate fire from the flames at different stages of combustion.
- the invention has the advantages that the fire extinguishing ability is strong, the fire extinguishing speed is fast, the efficiency is high, the fire fighting personnel can bear the weight and the fire fighting capability can be reduced, compared with the prior art products.
- the enhancement is very suitable for the fast extinguishing of the mountain fire on the transmission line, which further provides a guarantee for the safe and stable operation of the transmission line.
- the transmission line mountain fire fast extinguishing agent is made up of the following weight components:
- the transmission line mountain fire fast extinguishing agent is made up of the following weight components:
- the transmission line mountain fire rapid fire extinguishing agent product of the present invention obtained in the above embodiments 1 to 2 has passed the inspection, and the fire extinguishing agent is diluted with water according to the use ratio described in the above technical scheme, and then the diluted solution is filled into the fire extinguisher and sprayed toward the fire extinguisher.
- the fire test was carried out on the scene of the fire. The weather on the day of the test was fine and the burning time was over 4 minutes. The test results are shown in the following table:
- the fire-extinguishing test results show that the fire-extinguishing fire-extinguishing agent of the present invention has the characteristics of short fire-extinguishing time and difficulty in re-ignition after fire extinguishing, indicating that the fire-extinguishing performance is superior.
Abstract
Provided is a fast fire extinguishing agent for mountain fires along an electric transmission line. The fire extinguishing agent is formed by mixing the following components (in weight ratio): 5-15 parts of sodium chloride, 8-20 parts of ammonium carbonate, 4-12 parts of urea, 4-15 parts of dipotassium phosphate, 0.5-5 parts of ethylene glycol, 1-6 parts of sodium tripolyphosphate, and 50-70 parts of water. When used, the fire extinguishing agent product is diluted with water at a ratio of 1 : 20, the resulting solution is filled into a fine water-mist fire extinguisher, and is sprayed in a fine water-mist form to a fire scene for extinguishing. The fire extinguishing agent not only has a strong flame extinguishing ability with a fast extinguishing speed and a high efficiency, but also can reduce the load on a firefighter, thus increasing the fire extinguishing mobility, and is very suitable for fast extinguishing of mountain fires along an electric transmission line, which provides security for the safety and stable operation of the electric transmission line.
Description
本发明属于消防器材技术领域,具体涉及一种输电线路山火快速灭火剂。The invention belongs to the technical field of fire-fighting equipment, and particularly relates to a fire extinguishing agent for mountain fires on a transmission line.
近年来,输电线路附近山火频发,已严重威胁到输电线路特别是特高压输电线路的安全稳定运行。2012年清明期间,湖北、浙江、安徽等地区输电线路山火频发,引发多条500kV交流线路故障停运、±500kV江城直流因山火导致极I单极闭锁;2013年3月上旬,多个省份再次发生了较大范围山火,导致锦苏、复奉、龙政等多条直流线路发生闭锁或异常。对输电线路初发山火进行及时扑救,是避免火势扩大、防止输电线路跳闸的最有效手段。因而,研究适用于输电线路山火快速扑救的灭火剂,可提高山火扑救的效率和成功率,对保证人身安全具有重要意义。而目前常用的灭火剂主要包括泡沫灭火剂、二氧化碳灭火剂、干粉灭火剂。这些灭火剂皆基于覆盖式隔绝空气原理进行灭火,仅适用于室内常规灭火,而对于野外开阔地带山火,因燃烧面不平,喷洒覆盖效果非常差,经常导致灭火力度严重不足,甚至根本无法满足输电线路山火的灭火要求。因此,能够给输电线路山火实施快速灭火的灭火剂的需求十分迫切。In recent years, frequent mountain fires near transmission lines have seriously threatened the safe and stable operation of transmission lines, especially UHV transmission lines. During the Qingming period in 2012, transmission lines in Hubei, Zhejiang, Anhui and other areas frequently occurred, causing multiple 500kV AC lines to be out of service, and ±500kV Jiangcheng DC caused extreme unipolar atresia due to mountain fires; in early March 2013, more A large number of mountain fires occurred again in the provinces, resulting in the closure or abnormality of many DC lines such as Jinsu, Fufeng and Longzheng. The timely suppression of the initial fire on the transmission line is the most effective means to avoid the expansion of the fire and prevent the transmission line from tripping. Therefore, the study of fire extinguishing agents suitable for fast-fired mountain fires on transmission lines can improve the efficiency and success rate of mountain fire fighting, and is of great significance for ensuring personal safety. At present, the commonly used fire extinguishing agents mainly include foam fire extinguishing agent, carbon dioxide fire extinguishing agent and dry powder fire extinguishing agent. These fire extinguishing agents are all based on the principle of covered air isolation. They are only suitable for indoor fire extinguishing. For the open fire in the open area, due to the uneven burning surface, the spraying effect is very poor, which often leads to serious shortage of fire extinguishing, or even no satisfaction. Fire-fighting requirements for mountain fires on transmission lines. Therefore, the demand for fire extinguishing agents capable of rapidly extinguishing fires on transmission line hills is very urgent.
本发明要解决的技术问题是,针对现有技术存在的缺陷,提出一种输电线路山火快速灭火剂,以期实现输电线路山火的快速扑灭,为灭火人员提供安全保障。The technical problem to be solved by the present invention is that, in view of the defects existing in the prior art, a fast fire extinguishing agent for a transmission line mountain fire is proposed, in order to realize the rapid extinguishing of the mountain fire of the transmission line and provide safety guarantee for the fire extinguishing personnel.
本发明的技术方案是,所提供的输电线路山火快速灭火剂,由下述组分(重量比)混合而成:The technical proposal of the invention is that the provided transmission line mountain fire fast extinguishing agent is composed of the following components (weight ratio):
氯化钠 5~15份,Sodium chloride 5 to 15 parts,
碳酸铵 8~20份,8 to 20 parts of ammonium carbonate,
尿素 4~12份,Urea 4 to 12 parts,
磷酸氢二钾 4~15份,Dipotassium hydrogen phosphate 4 to 15 parts,
乙二醇 0.5~5份,Ethylene glycol 0.5 to 5 parts,
三聚磷酸钠 1~6份,Sodium tripolyphosphate 1 to 6 parts,
水 50~70份。Water 50 to 70 parts.
本发明的输电线路山火快速灭火剂产品使用时,将其与水依次按1:20的比例稀释,
然后将稀释所得溶液灌充到细水雾灭火器中,以细水雾状喷雾喷向火场进行灭火。该输电线路山火快速灭火剂产品储存时,宜将该产品存放于密封、防光的容器中。When the transmission line mountain fire rapid fire extinguishing agent product of the invention is used, it is diluted with water in a ratio of 1:20.
Then, the diluted solution is filled into a water mist fire extinguisher, and sprayed in a fine mist spray to the fire to extinguish the fire. When storing the transmission line mountain fire fast extinguishing agent product, the product should be stored in a sealed, light-proof container.
本发明的输电线路山火快速灭火剂的配伍中,由于有卤素元素能捕获自由基,能改变高聚物分解化学反应的模式,可产生含氯气体,起到物理隔绝灭火的作用,终止燃烧化学反应。由于有碳酸盐化合物在加热过程中释放二氧化碳,故可迅速阻隔火焰并吸收大量的热从而具有高效灭火的作用。而含氮化合物受热分解产生氨气,起到物理隔绝灭火的作用,并可吸收氧气和大量的热,使火势迅速减弱熄灭。含磷化合物可干扰碳的氧化反应和聚合物的气化过程,提高成炭率,阻止聚合物的分解,使含碳化合物的燃烧及时被抑制。三聚磷酸钠除作为具有灭火功能的含磷化合物外,还能对其它化合物起增溶的作用。乙二醇可增大化合物的溶解度并增强灭火溶液的抗冻性能,使其更能适应冰冻天气期间的灭火要求。根据以上原理,本发明的技术方案如上述利用含氯化合物氯化钠和含磷化合物磷酸氢二钾、三聚磷酸钠作为化学阻燃的主要成份;两种具有不同分解温度的含氮化合物—碳酸铵与尿素,通过分解产生氨气及二氧化碳,对处在不同燃烧阶段的火焰起到持续的物理隔绝灭火的作用。In the compatibility of the transmission line mountain fire fast extinguishing agent of the invention, since the halogen element can capture the free radical, the mode of chemical reaction of the high polymer decomposition can be changed, and the chlorine-containing gas can be generated to physically isolate the fire extinguishing and terminate the combustion. chemical reaction. Since the carbonate compound releases carbon dioxide during heating, it can quickly block the flame and absorb a large amount of heat to have an efficient fire extinguishing effect. The nitrogen-containing compound is decomposed by heat to produce ammonia gas, which acts as a physical insulation for fire extinguishing, and can absorb oxygen and a large amount of heat, so that the fire rapidly weakens and extinguishes. The phosphorus-containing compound can interfere with the oxidation reaction of carbon and the gasification process of the polymer, increase the char formation rate, prevent the decomposition of the polymer, and inhibit the combustion of the carbon-containing compound in time. In addition to being a phosphorus-containing compound having a fire-extinguishing function, sodium tripolyphosphate can also act to solubilize other compounds. Ethylene glycol increases the solubility of the compound and enhances the frost resistance of the fire extinguishing solution, making it more suitable for fire fighting requirements during freezing weather. According to the above principle, the technical solution of the present invention uses the chlorine-containing compound sodium chloride and the phosphorus-containing compound dipotassium hydrogen phosphate, sodium tripolyphosphate as the main component of chemical flame retardant; two kinds of nitrogen-containing compounds having different decomposition temperatures- Ammonium carbonate and urea, by decomposition to produce ammonia and carbon dioxide, continue to physically isolate fire from the flames at different stages of combustion.
本发明的有益效果是,与现有技术产品相比具有更强的扑灭山火的能力,而且不仅灭火能力强,灭火速度快、效率高,还可减轻灭火人员的负重,并使灭火机动能力增强,十分适用于输电线路山火的快速扑灭,为输电线路的安全、稳定运行进一步提供了保障。The invention has the advantages that the fire extinguishing ability is strong, the fire extinguishing speed is fast, the efficiency is high, the fire fighting personnel can bear the weight and the fire fighting capability can be reduced, compared with the prior art products. The enhancement is very suitable for the fast extinguishing of the mountain fire on the transmission line, which further provides a guarantee for the safe and stable operation of the transmission line.
实施例1:Example 1:
本例输电线路山火快速灭火剂由下述重量的组分混合而成:In this case, the transmission line mountain fire fast extinguishing agent is made up of the following weight components:
氯化钠 5㎏,Sodium chloride 5kg,
碳酸铵 8㎏,Ammonium carbonate 8kg,
尿素 4㎏,Urea 4kg,
磷酸氢二钾 4㎏,Dipotassium hydrogen phosphate 4kg,
乙二醇 0.5㎏,Ethylene glycol 0.5kg,
三聚磷酸钠 1㎏,Sodium tripolyphosphate 1kg,
水 50㎏。Water 50kg.
实施例2:Example 2:
本例输电线路山火快速灭火剂由下述重量的组分混合而成:In this case, the transmission line mountain fire fast extinguishing agent is made up of the following weight components:
氯化钠 15㎏,
Sodium chloride 15kg,
碳酸铵 20kg,Ammonium carbonate 20kg,
尿素 12kg,Urea 12kg,
磷酸氢二钾 15kg,Dipotassium hydrogen phosphate 15kg,
乙二醇 5kg,Ethylene glycol 5kg,
三聚磷酸钠 6kg,Sodium tripolyphosphate 6kg,
水 70kg。Water 70kg.
上述实施例1~2所得本发明的输电线路山火快速灭火剂产品经检验合格,按上述技术方案介绍的使用比例将该灭火剂掺水稀释,然后将稀释所得溶液灌充到灭火器中喷向火场现场进行灭火试验,试验当日天气晴朗,过火燃烧时间4分钟,所获试验结果见下表:The transmission line mountain fire rapid fire extinguishing agent product of the present invention obtained in the above embodiments 1 to 2 has passed the inspection, and the fire extinguishing agent is diluted with water according to the use ratio described in the above technical scheme, and then the diluted solution is filled into the fire extinguisher and sprayed toward the fire extinguisher. The fire test was carried out on the scene of the fire. The weather on the day of the test was fine and the burning time was over 4 minutes. The test results are shown in the following table:
灭火试验结果报表Fire test result report
灭火剂Extinguishing agent | 平均灭火时间/秒Average fire extinguishing time / second | 复燃情况Re-ignition |
普通水Ordinary water | 125125 | 9次9 times |
实施例1用剂Example 1 agent | 4646 | 0次0 times |
实施例2用剂Example 2 agent | 4343 | 0次0 times |
灭火试验结果表明,本发明的输电线路山火快速灭火剂具有灭火时间短、灭火后不易复燃的特点,说明其灭火性能十分优越。
The fire-extinguishing test results show that the fire-extinguishing fire-extinguishing agent of the present invention has the characteristics of short fire-extinguishing time and difficulty in re-ignition after fire extinguishing, indicating that the fire-extinguishing performance is superior.
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CN201410200723.6 | 2014-05-13 | ||
CN201410200723.6A CN103933694B (en) | 2014-05-13 | 2014-05-13 | Rapid fire extinguishing agent for power transmission lines |
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Also Published As
Publication number | Publication date |
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CN103933694A (en) | 2014-07-23 |
AU2015101006A4 (en) | 2015-09-03 |
CN103933694B (en) | 2015-01-07 |
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