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技術文章 / article 您的位置:網站首頁 > 技術文章 > 燃氣中毒冷知識

燃氣中毒冷知識

發布時間: 2019-07-02  點擊次數: 1976次

而一氧化碳中毒事件每年都會發生很多,尤其是冬季利用煤爐取暖或者燃氣熱水器洗澡,如果室內不通風很容易造成一氧化碳中毒,所以生活中應該時刻注意。

一氧化碳中毒是含碳物質燃燒不*時的產物經呼吸道吸入引起中毒。中毒機理是一氧化碳與血紅蛋白的親合力比氧與血紅蛋白的親合力高200~300倍,所以一氧化碳極易與血紅蛋白結合,形成碳氧血紅蛋白,使血紅蛋白喪失攜氧的能力和作用,造成組織窒息。對全身的組織細胞均有毒性作用,尤其對大腦皮質的影響為嚴重。

燃氣其實化學成分主要是甲烷,還有少量的乙烷,一氧化碳,硫化氫等,呈氣體狀。甲烷與氧氣充分燃燒時,生成二氧化碳和水,二氧化碳是無毒無味的。但當甲烷與氧氣不足不充分燃燒時則生成一氧化碳和水。一氧化碳是有毒無味的,人吸入后,就會讓腦組織逐漸缺氧,造成頭暈,心慌,惡心,嚴重的暈迷死亡。所以用燃氣熱水洗澡時,一定要注意通風換氣,有足夠的氧氣讓燃氣充分燃燒。所以我們裝燃氣熱水器要與淋浴間分開且通風良好的地方安裝,使用時可以保持通風換氣的狀態,一方面讓燃氣充分燃燒,另一方面因燃燒不充分減少室內一氧化碳濃度。




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