本文研究了应用红外线CO_2控制法控制以煤油为渗碳介质的滴入式渗碳和碳氮共渗炉气的可控性及工艺因素对碳势曲线和渗层组织的影响。 In this paper, the controllability of drip-type carburizing and carbonitriding furnace with kerosene as the carburizing medium is controlled by the infrared CO 2 control method and the influence of the technological factors on the carbon potential curve and the infiltrated layer structure is studied.