现在,很多家庭都用上了管道煤气,它要比烧煤炉方便多了!可是,这种可以燃烧的气体是怎么制造出来的呢？A:煤气,顾名思义是一种用煤为原料制得的气体,它的主要成分是一氧化碳。根据制造方法的不同,煤气可分为焦炉煤气、发生炉煤气、水煤气等很多种。炼焦制气是一种比较常见的制煤气方 Nowadays, many families are using piped gas, which is more convenient than a coal-fired stove! However, how is this combustible gas produced? A: Gas, as the name implies, is a gas made from coal, the main component of which is carbon monoxide. According to the different manufacturing methods, gas can be divided into coke oven gas, furnace gas, water gas and many other species. Coking gas is a relatively common system of coal gas