It firstly analyzes the gasification principle and process of coal in constant pressure moving - bed gas producer and the research on gasification process and control of technical condition proves that it is the most effective way to improve the quality of coal for gasification and quality of hot coal gas , enhance the gasification intensity and gasification efficiency of gas producer 首先，分析了煤在常压移动床式煤气发生炉内的气化原理和工艺过程。对气化过程工艺条件控制的研究表明，提高气化用煤的品质，是改善热煤气质量，提高煤气发生炉的气化强度和气化效率的最有效途径，并对气化用煤的指标，提出了具体的要求。
The technology is focusing on the research and brainstorm of key problems in the application process of hot coal gas in the industrial furnace and it has got good energy conservation and environment protection effect on the practical used in over 20 furnaces on the industry of heat treatment , forging and steel rolling and so on 该项技术是针对热煤气在工业炉上应用过程中存在的主要问题，展开的研究及攻关。现已在热处理、锻造、轧钢等行业20多座工业炉上实际应用，取得了良好的节能环保效果。
Meanwhile , it puts forward the exact demand to the indicators of coal for gasification . it systematically studies the thickness of economical heat preservation and calculation process of resistance loss of delivery pipe for analyzing and appraising the techno - economic of hot coal gas ' s delivery pipes . it sets the mathematic model for the calculation of economical heat preservation thickness and resistance losses of conveying pipes , compiles the computer program , dutti and dutt2 and draws the block diagram of relevant computer program 为便于热煤气输送管道的技术经济分析与评价，对输送管道经济保温厚度和输送管道阻力损失的计算过程，进行了系统的研究，建立了输送管道经济保温厚度和阻力损失计算的数学模型，绘制出相应的计算机程序框图，编制了计算机程序dutt _ 1和dutt _ 2 ；并对热煤气的混合燃烧过程进行了研究。
This article analyzes the current status of industrial furnace of our country and summarizes the developing condition of hot coal gas ' s application technology study on industrial furnace and have deep and systematical analysis and research on the key problems of hot coal gas in the process of making , conveying , burning and practical application 本论文分析了我国工业炉的现状，综述了热煤气在我国工业炉上应用技术研究的发展状况，对热煤气系统在制取、输送、燃烧及实际应用过程中的关键问题进行了较为深入系统的分析与研究。
