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天然气和煤联合制备廉价合成气新工艺及其热力学分析
引用本文:李俊岭,赵月红,温浩,许志宏.天然气和煤联合制备廉价合成气新工艺及其热力学分析[J].计算机与应用化学,2002,19(4):381-384.
作者姓名:李俊岭  赵月红  温浩  许志宏
作者单位:中国科学院过程工程研究所,北京,100080
摘    要:20世纪后期,天然气勘探开发技术进步很快。发达国家中,天然气已逐步成为一种占主导地位的清洁能源。目前我国许多天然气化工企业面临天然气管网价格偏高、供应量不足和开工率下降等问题。新建的天然气化工厂,应考虑进入WTO后激烈的国际价格竞争。为解决上述问题,本文提出一种天然气和煤联合制备廉价合成气的生产成本。为减少煤造气设备投资(约占总投资的60%),核心设备可在退役高炉的基础上进行改造。这种新型合成气制备工艺对天然气价格有较强的弹性和适应性。

关 键 词:热力学  高炉  天然气    合成气  联合制备工艺  物理化学过程
文章编号:1001-4160(2002)04-381-384
修稿时间:2001年7月10日

A New Preparation Process of Low- Cost Synthesis Gas from Natural Gas and Coal and Its Thermodynamic Analysis
LI Jun-ling,ZHAO Yue-hong,WEN Hao,XU Zhi-hong.A New Preparation Process of Low- Cost Synthesis Gas from Natural Gas and Coal and Its Thermodynamic Analysis[J].Computers and Applied Chemistry,2002,19(4):381-384.
Authors:LI Jun-ling  ZHAO Yue-hong  WEN Hao  XU Zhi-hong
Abstract:As a clean energy, natural gas has been widely used in many developed countries. However, a chemical plant with natural gas as its feed may be often disturbed by the high - cost and insufficient supply of natural gas, which may lead to a decrease of the operation period. To solve these problems, a new process for the preparation of low - cost synthesis gas from natural gas and coal is presented in this paper. Cheaper coal, which serves as a heating material and also a reactant, is fed into the furnace to partially substitute the expensive and largely consumed natural gas. In this way low - cost synthesis gas can be produced. To reduce the investment cost of the gasification unit of coal (about 60% of the total investment) , the preparation furnace can be reconstructed on a small or medium blast furnace left unused in iron steel factories. This new process provides the flexibility to the price fluctuation of natural gas.
Keywords:blast furnace  natural gas  coal  synthesis gas
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