川消泡沫滅火劑在火災(zāi)中有不可替代的作用
來(lái)源：http://m.xintli.net/ 日期：2022-07-11
泡沫滅火劑在撲滅液體火災(zāi)中起著不可替代的作用，尤其是在新的石化撲救理念中對(duì)滅火劑的使用有了創(chuàng)新的發(fā)展，在石化工業(yè)的處置中，提出了全泡戰(zhàn)術(shù)的概念，對(duì)泡沫的質(zhì)量要求較高，另一方面，對(duì)泡沫持續(xù)供應(yīng)時(shí)間的強(qiáng)調(diào)更是對(duì)消防救援隊(duì)使用能力的考驗(yàn)。為了更好的使用，充分發(fā)揮泡沫滅火劑的滅火效率。下面就帶大家對(duì)泡沫滅火劑有一個(gè)系統(tǒng)的了解：
Foam extinguishing agent plays an irreplaceable role in extinguishing liquid fires, especially the innovative development of the use of extinguishing agent in the new petrochemical fire fighting concept. In the disposal of petrochemical industry, the concept of full foam tactics is proposed, which has high requirements for the quality of foam. On the other hand, the emphasis on the continuous supply time of foam is a test of the use ability of fire rescue teams. For better use, give full play to the fire extinguishing efficiency of foam extinguishing agent. Now let's have a systematic understanding of foam extinguishing agent:
幾個(gè)關(guān)于泡沫滅火劑的名詞概念
Some terms and concepts about foam extinguishing agent
①泡沫原液：是指從廠家購(gòu)買(mǎi)的原裝泡沫液體。
① Foam stock solution: refers to the original foam liquid purchased from the manufacturer.
②泡沫混合液：是指把泡沫原液與水按一定比例進(jìn)行混合后的液體。
② Foam mixture: refers to the liquid after mixing foam stock solution with water in a certain proportion.
③泡沫：是指泡沫混合液經(jīng)過(guò)空氣的混合、發(fā)泡，產(chǎn)生的白色泡沫。
③ Foam: refers to the white foam produced by the mixing and foaming of foam mixture through air.
泡沫滅火劑通常由發(fā)泡劑、表面活性劑、泡沫穩(wěn)定劑、降粘劑、抗凍劑、助溶劑、防腐劑和水組成。
Foam extinguishing agent is usually composed of foaming agent, surfactant, foam stabilizer, viscosity reducer, antifreeze agent, cosolvent, preservative and water.
川消泡沫滅火劑種類(lèi)繁多，可根據(jù)發(fā)泡倍數(shù)、合成基質(zhì)、凝固點(diǎn)、水溶性等進(jìn)行分類(lèi)。
There are many kinds of Chuanxiao foam fire extinguishing agents, which can be classified according to foaming multiple, synthetic matrix, freezing point, water solubility, etc.
此外水成膜泡沫滅火劑為低倍數(shù)泡沫滅火劑，適用于各種類(lèi)型的低倍數(shù)泡沫產(chǎn)生器。具有獨(dú)特的滅火特點(diǎn)，就是在滅火過(guò)程中其泡沫層析出的水份能在燃料表面形成一層封閉性很好的水膜起到隔離燃料與空氣的接觸，靠泡沫和保護(hù)膜雙重作用，能迅速、率的撲救油類(lèi)火災(zāi)。
This external water film-forming foam extinguishing agent is a low expansion foam extinguishing agent, which is suitable for various types of low expansion foam generators. It has unique fire extinguishing characteristics, that is, in the process of fire extinguishing, the water chromatography of its foam can form a layer of water film with good sealing on the fuel surface to isolate the contact between fuel and air. With the dual role of foam and protective film, it can quickly and efficiently put out oil fires.
而抗溶性的水成膜泡沫滅火劑是一種多功能型泡沫滅火劑，用于較高溫度下的油類(lèi)滅火，并適用于“液下噴射”滅火。該滅火劑噴射到燃燒的油類(lèi)或極性溶劑上時(shí)，泡沫能迅速在油類(lèi)或極性溶劑表面動(dòng)散開(kāi)并向尚未直接噴射到的區(qū)域擴(kuò)散，并在油類(lèi)或極性溶劑表面上形成一層封閉性很好的水膜或膠膜，隔絕油類(lèi)或極性溶劑與空氣的接觸。靠泡沫覆蓋、水膜或膠膜封閉和水的冷卻作用滅火，提高了現(xiàn)場(chǎng)滅火的效率。
The water-soluble film-forming foam fire extinguishing agent is a multifunctional foam fire extinguishing agent, which is used for oil fire extinguishing at higher temperatures and is suitable for "underwater spray" fire extinguishing. When the fire extinguishing agent is sprayed on the burning oil or polar solvent, the foam can quickly flow and disperse on the surface of the oil or polar solvent and spread to the area that has not been directly sprayed, and form a layer of water film or adhesive film with good sealing on the surface of the oil or polar solvent to isolate the contact between the oil or polar solvent and the air. The efficiency of on-site fire extinguishing is improved by foam covering, water film or plastic film sealing and water cooling.
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