目前,工业上都用重油和煤作为原料制取各种用途的煤气。重油的气化在国内有加压和常压两种方法,煤的气化以常压固定床为主,粉状 煤沸气化和加压煤气化较少,熔渣气化法尚未工业化。 煤气制造技术在各个工业部门早已被掌握,随着国民经济的不断发展,新工人在企业中日益增加。最近 At present, heavy oil and coal are used as raw materials in industries to produce gas for various purposes. Gasification of heavy oil in the country have two methods of pressure and atmospheric pressure, gasification of coal to fixed bed at atmospheric pressure, pulverized coal boiling gasification and less pressurized coalification, slag gasification has not yet industrialized. Gas manufacturing technology has long been mastered in various industrial sectors. With the continuous development of the national economy, new workers are increasingly employed in enterprises. recent