問(wèn)答題
【簡(jiǎn)答題】計(jì)算題:向煤氣設(shè)備內(nèi)送轉(zhuǎn)爐煤氣置換空氣后,要?jiǎng)踊饳z修該設(shè)備,經(jīng)取樣做CO含量分析,CO含量達(dá)到多少PPm以上時(shí)方可動(dòng)火。(轉(zhuǎn)爐煤氣中CO含量按56.7~61.2%計(jì)算,轉(zhuǎn)爐煤氣爆炸范圍按18.22-83.22%計(jì)算)
答案:
61.2%×83.22%=50.9%
=509000PPm
答:該設(shè)備內(nèi)CO含量大于509000PP...