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三、钢铁资源 1.消费数量钢铁工业是大量消耗资源型的工业部门。每生产一吨生铁约消耗原、燃料3.5～4t。战后,日本由于钢铁工业发展很快,资源需要量的增长非常迅速。1950～1970年的20年间,铁矿石年需要量增长15倍,从700万t到11100万t。1970～1976年,日本钢铁工业平均每年消费铁矿石为10439万t,焦炭4266万t,废钢3407万t,重油113亿L。如果加上钢铁用电所消耗的煤炭和原油,钢铁工业的资源消耗就更大了。 2.来源日本是个矿产资源十分贫乏的国家。据日本通产省1950～1955年的调查,煤藏量约86亿t,可采量10亿t,且煤质低劣,
Third, the iron and steel resources 1. The number of consumption The steel industry is a large consumption of resource-based industrial sector. About one ton of pig iron produced per day, fuel 3.5 ~ 4t. After the war, due to the rapid development of the steel industry in Japan, the demand for resources grew very rapidly. In the 20 years from 1950 to 1970, the annual demand for iron ore increased 15 times from 7 million tons to 111 million tons. From 1970 to 1976, the average annual consumption of iron ore by the Japanese steel industry was 104.39 million tons, 42.66 million tons of coke, 34.07 million tons of scrap, and 11.3 billion tons of heavy oil. If we add coal and crude oil consumed by steel electricity, the steel industry consumes even more resources. 2. Source Japan is a country with a very poor mineral resources. According to the survey by Japan’s MITI from 1950 to 1955, the amount of coal reserves is about 8.6 billion tons, the recoverable amount is 1 billion tons and the quality of coal is poor.