论文部分内容阅读
随着计划经济体制向社会主义市场经济体制的转换,在国际市场的竞争中,我国铝、铜工业面临着严峻的挑战,潜伏着危机,主要表现在: 1.工业规模小 我国现有电解铝厂近70家,生产能力164.5万吨。但10万吨以上的工厂仅有4家,产能占25%左右。大部分电解铝厂的规模都在5万吨以下,而发达国家铝电解厂的产能一般都在10万吨以上。铜冶炼企业(不包括废杂铜回收)我国约有20个,
As the planned economy is transformed into a socialist market economy, the aluminum and copper industries in our country face severe challenges and lurks in crises in the international market. These are mainly manifested in the following aspects: 1. Small industrial scale Existing electrolytic aluminum Nearly 70 factories, production capacity of 1.645 million tons. However, there are only 4 factories with a production capacity of 100,000 tons or more, accounting for 25% of the total capacity. Most of the electrolytic aluminum plant in the scale of 50,000 tons, while the developed countries, aluminum electrolytic plant production capacity are generally more than 100,000 tons. Copper smelting enterprises (excluding scrap copper recycling) China has about 20,