The paper presents the technology of collecting blow gas, studies the process, proportion and mixing method, the suitability of domestic gas appliance in use, and indicates it improves gas output.

• 本文提出两段炉制气回收废气掺混液化气技术，研究了回收工艺、掺混比例、掺混方式及在用民用煤气灶具的适用性，指出此工艺提高了煤气产量。