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(一)在我国能源供应日趋紧张的情况下,要加快四化建设的步伐,节约能源,是一项长期的战略任务。钢铁工业是消耗能源的大户。我省钢铁工业用电量占全省10%左右,天然气用量占全省12%左右。其中,轧钢能耗又占了钢铁能耗总量的14%,而在轧钢能耗中,加热炉能耗又占了75%。我省轧钢用天然气是钢铁工业天然气总用量的50—60%。全省轧钢加热炉的热效率一般只有20—30%。因此,抓好轧钢加热炉的节能工作,是我省钢铁工业节能工作的重要一环。
(1) Under the current situation of tense energy supply in our country, it is a long-term strategic task to speed up the construction of the four modernizations and save energy. The steel industry is a large consumer of energy. Steel industry in our province accounts for about 10% of the province’s electricity consumption, natural gas consumption accounts for about 12% of the province. Among them, the energy consumption of rolled steel accounts for 14% of the total energy consumption of steel, and in rolling energy consumption, heating furnace energy consumption accounted for 75%. Natural gas for steel rolling in our province is 50-60% of the total amount of natural gas used in the steel industry. The province’s thermal efficiency of steel rolling furnace is generally only 20-30%. Therefore, do a good job rolling furnace energy-saving work is the province’s steel industry an important part of energy conservation.