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一、大力发展煤制气实现城市煤气化,靠液化石油气和天然气,只有少数地区可行,绝大多数城市还得以发展煤制气为宜。在煤制气方面,又应利用冶金、化工的焦炉煤气余气为主,扩建单种煤和劣质煤炼焦制气为辅。从调查看,我国十个城市的焦化厂总投资8601万元,每年节煤约70万吨,可供55万户民用煤气,每户平均投资156.36元。鞍山钢铁公
First, vigorously develop coal gas to achieve urban coal gasification, rely on liquefied petroleum gas and natural gas, only a few areas are feasible, most cities can also develop coal gas is appropriate. In terms of coal gas, it is also necessary to use metallurgical and chemical coke oven gas surplus gas, supplementing the single-coal and low-quality coal coking gas. From a survey, the total investment of the coking plant in ten cities in China is 86.01 million yuan. It saves about 700,000 tons of coal per year and can provide 550,000 households of gas. The average investment per household is 156.36 yuan. Anshan Iron and Steel Company