檢視挥发分的原始碼

[[File:挥发分.jpg|缩略图|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E6%8C%A5%E5%8F%91%E5%88%86&step_word=&hs=0&pn=6&spn=0&di=5060&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=3435502852%2C2086774522&os=3126292293%2C2005211653&simid=0%2C0&adpicid=0&lpn=0&ln=1888&fr=&fmq=1623710062834_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2Fwww.xjishu.com%2Fimg%2Fzl%2F2018%2F3%2F6%2F19417033559.gif%26refer%3Dhttp%3A%2F%2Fwww.xjishu.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1626302104%26t%3D6bf1c83090bae331e2d07ce63736d0b0&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bx3tfi7_z%26e3Bv54AzdH3Fzi7wgstAzdH3FcdAzdH3Fda808abc8bnd_z%26e3Bip4s&gsm=7&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined 原图链接][http://www.xjishu.com/zhuanli/52/201710851832.html 来自X技术]]]
'''挥发分'''是指在隔绝空气的条件下，将煤在850±20摄氏度下加热7分钟，煤中的有机质和一部分矿物质就会分解成气体(如一氧化碳、甲烷等可燃气体)和液体溢出，溢出物减去煤中的水分即为挥发分。链条炉用煤的挥发分含量最好在20%以上。