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<p>燃?xì)庑孤┳畛０l(fā)生在這三個(gè)地方：連接處：連接件要是破損、老化，或者密封材料失效，燃?xì)饩腿菀足@空子跑出來(lái)。燃?xì)廛浌埽很浌芤坏├匣?、皸裂，被老鼠咬了，又或者卡箍松?dòng)，都可能讓燃?xì)?“溜出”。閥門：閥門松動(dòng)，也會(huì)成為燃?xì)庑孤┑脑搭^。</p><p><br/></p><p>而且使用不當(dāng)同樣會(huì)造成泄漏，像煲湯的時(shí)候人長(zhǎng)時(shí)間不在旁邊，湯溢出來(lái)把燃?xì)庠畹幕饾矞缌?，可燃?xì)膺€在源源不斷地往外冒。</p><p><br/></p><p>人工煤氣、天然氣主要成分都是甲烷，空氣中的甲烷濃度過(guò)高或過(guò)低，一般不會(huì)引起爆炸。<5%（濃度）只會(huì)形成燃燒層，就如我們做飯時(shí)燃?xì)庠钌闲纬傻男』鹧妫?gt;16%（濃度）助燃物不夠，爆炸不起來(lái)；<span style="text-wrap-mode: wrap;">濃度介于這兩者之間，那就十分危險(xiǎn)了。</span></p><p><br/></p><div style="text-align: center;"><img src="https://mp.toutiao.com/mp/agw/article_material/open_image/get?code=MjVlMDlkZjA2NWI4MTY5OGU0ODc3NWEyZjk1Mjc1MWIsMTc0MzE0NDE0ODYyOQ=="/><a></a></div><p><br/></p><p>處于危險(xiǎn)濃度區(qū)間的天然氣，只需要極其微小的能量就能被點(diǎn)燃引爆。像是我們?nèi)粘２唤?jīng)意間觸碰開關(guān)時(shí)產(chǎn)生的電火花，衣物摩擦產(chǎn)生的靜電小火花，甚至是一個(gè)未熄滅徹底的煙頭，這些看似微不足道的小火星，在此時(shí)都可能成為點(diǎn)燃危險(xiǎn)的 “導(dǎo)火索”，瞬間引發(fā)一場(chǎng)威力巨大的爆炸。</p><p><br/></p><div style="text-align: center;"><img src="https://mp.toutiao.com/mp/agw/article_material/open_image/get?code=MTNhMTNmNTYxMDE3MjFjN2U1NzMxYzVlODkxZjIwMzUsMTc0MzE0NDE0ODYyOQ=="/></div><p><br/></p><p>那我們?cè)撛趺搭A(yù)防燃?xì)庑孤┠?？有這幾個(gè)辦法：定期仔細(xì)檢查連接件、軟管和閥門，看看是不是完好無(wú)損。廚房要經(jīng)常開窗通風(fēng)，這樣能及時(shí)稀釋泄漏出來(lái)的燃?xì)鉂舛?，降低爆炸風(fēng)險(xiǎn)。安裝燃?xì)鈭?bào)警器絕對(duì)是個(gè)好辦法，能提前預(yù)防危險(xiǎn)。</p><p><br/></p><p>家用燃?xì)鈭?bào)警器可是預(yù)防燃?xì)庑孤┑牡昧χ?，它的核心部件傳感器，能一?24 小時(shí)不休息地監(jiān)測(cè)可燃?xì)怏w泄漏濃度。一旦濃度達(dá)到或者超過(guò)預(yù)設(shè)值，報(bào)警器馬上就會(huì)發(fā)出響亮的聲光報(bào)警信號(hào)，提醒大家趕緊采取措施。</p><p><br/></p><p>家用燃?xì)鈭?bào)警器如何安裝？</p><p><br/></p><div style="text-align: center;"><img src="https://mp.toutiao.com/mp/agw/article_material/open_image/get?code=MTNkZTE0NmU3MzEwY2I0NGNhMGZlNWFjMDY1ZTEzZGYsMTc0MzE0NDE0ODYyOQ=="/><a></a></div><p><br/></p><p>隨著人們安全意識(shí)的提高和國(guó)家政策的推動(dòng)，近幾年，家用燃?xì)鈭?bào)警器安裝普及率逐步提升，守護(hù)了千家萬(wàn)戶的用氣安全。但是不正確的安裝和使用方法，不但起不到預(yù)警作用，還會(huì)因?yàn)閮x器誤報(bào)警、不報(bào)警，引發(fā)新的危險(xiǎn)。</p><p><br/></p><p>★ 燃?xì)鈭?bào)警器應(yīng)安裝在距燃?xì)饩呋蛉細(xì)庠此骄嚯x4米以內(nèi)、2米以外的室內(nèi)墻面上，并且通風(fēng)良好的地方。</p><p><br/></p><p>★ 當(dāng)檢測(cè)天然氣等比空氣輕的氣體時(shí)，報(bào)警器應(yīng)安裝在距離天花板0.3-0.6米處。</p><p><br/></p><p>★ 當(dāng)檢測(cè)液化石油氣等比空氣重的氣體時(shí)，報(bào)警器應(yīng)安裝在距離地面0.3-0.6米處。</p><p><br/></p><div style="text-align: center;"><img src="https://mp.toutiao.com/mp/agw/article_material/open_image/get?code=ZDZiNDVmY2IxNDg1YTQwYjU1ZWQxMGMzMTZhMWFmMWEsMTc0MzE0NDE0ODYyOQ=="/><a></a></div><p><br/></p><p>★ 注意：燃?xì)鈭?bào)警器應(yīng)避免安裝在下列位置：通道等風(fēng)流速度大的地方；有水霧或滴水的地方；爐具附近易被油煙、蒸氣等污染的地方或高溫環(huán)境（如爐具正上方）；被其它物體遮擋的地方（如櫥柜內(nèi)）；冰箱、空調(diào)等振動(dòng)物體旁。</p><p><br/></p><p>★ 無(wú)論燃?xì)鈭?bào)警器安裝在什么位置，其傳感器應(yīng)始終朝下。燃?xì)鈭?bào)警器應(yīng)安裝在容易看到、易聽到的地方，其顯示面板應(yīng)正對(duì)著人們，不應(yīng)背面或側(cè)面安裝等。</p><p>如何選擇和使用燃具軟管？</p><p><br/></p><p>◆應(yīng)盡量選用符合國(guó)家現(xiàn)行標(biāo)準(zhǔn)的金屬連接軟管。與橡膠復(fù)合軟管相比，金屬包覆管和金屬波紋管更耐高溫、耐腐蝕、防鼠咬。</p><p><br/></p><div style="text-align: center;"><img src="https://mp.toutiao.com/mp/agw/article_material/open_image/get?code=MzI0YzZlZmJmOTQ3ZDA3ZjRhYTQxMDEwMDc5M2M1MWMsMTc0MzE0NDE0ODYyOQ=="/><a></a></div><p><br/></p><p>◆燃具軟管與用氣設(shè)備管道的接口處，應(yīng)確保連接牢固，并定期檢查連接部位是否漏氣，一旦發(fā)現(xiàn)漏氣，應(yīng)立即停止使用。</p><p><br/></p><p>◆應(yīng)定期更換燃具軟管。</p><p><br/></p><p>如何安裝管道燃?xì)庾蚤]閥？</p><p><br/></p><p>管道燃?xì)庾蚤]閥具有超壓、欠壓、過(guò)流自動(dòng)切斷保護(hù)功能。當(dāng)管道內(nèi)的燃?xì)獬^(guò)或低于一定壓力時(shí)，或是當(dāng)膠管脫落造成燃?xì)饬魉佼惓Ｔ龃髸r(shí)，都會(huì)自動(dòng)切斷，從而保護(hù)用戶用氣安全。</p><p><br/></p><div style="text-align: center;"><img src="https://mp.toutiao.com/mp/agw/article_material/open_image/get?code=ZDFlYjU4ZTFjZmJiYTQxZjY1ZjlhMzJjNTkwOTI5MzAsMTc0MzE0NDE0ODYzMA=="/><a></a></div><p><br/></p><p>在安裝自閉閥的過(guò)程中，應(yīng)確保燃?xì)夤艿狼鍧崳苊怆s物和污垢進(jìn)入燃?xì)庾蚤]閥內(nèi)部。安裝時(shí)應(yīng)考慮到自閉閥的操作和維修的便利性，同時(shí)要保證自閉閥與燃?xì)獗碇g的連接管道的質(zhì)量和密封性。在日常用氣過(guò)程中，及時(shí)安裝燃?xì)狻叭住?，能夠有效降低燃?xì)獍踩鹿拾l(fā)生風(fēng)險(xiǎn)，保障居民用氣安全。</p> </div> </div> <div id="i8m60pkro" 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