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1 引言公司生产能力钢大于铁,生铁是公司紧缺资源。炼铁厂是公司炼铁生产的主力,炼铁厂的双炉生产理所当然是公司生产经营的重点和难点,也是全公司关注的热点。本文尝试运用数理统计方法总结和指导炼铁生产实践,分析和探讨了当前条件下炼铁厂双炉生产的合理产量规模、最小成本点和最大利润点等复杂经济现象,找到了降低成本、增加利润的差距和潜力。 2 成本、收益和利润函数模型的建立选定炼铁厂2×600m~3高炉为研究对象。炼铁厂1998年计划产量69.12万t,预计可完成72万t。合格生铁结算价1200元/t,生铁计划成本1073.93元/t。1～7月实际完成1026.74元/t,考虑下半年涨价因素后预计年平均成本1048.30元/t。炼铁厂1～7月实际完成产量和车间总成本见表1。
1 Introduction The company’s steel production capacity is greater than iron, pig iron is the company’s scarce resources. Ironworks is the company’s main ironmaking production, ironmaking plant dual furnace production of course, is the company’s production and management of the focus and difficulty, but also the company’s focus of attention. This article attempts to use mathematical statistics to summarize and guide the practice of iron production, analysis and discussion of the current conditions, the rational production scale, the minimum cost point and the maximum profit point of double-furnace production of ironworks and other complex economic phenomena, found to reduce costs and increase Profit gap and potential. 2, the establishment of cost, return and profit function model Selected ironworks 2 × 600m ~ 3 blast furnace for the study. Ironworks planned output of 691,200 tons in 1998, is expected to be completed 720,000 t. Qualified pig iron settlement price 1200 yuan / t, pig iron plan cost 1073.93 yuan / t. From January to July, the actual completion of 1026.74 yuan / t, taking into account the price increases in the second half after the estimated average annual cost of 1048.30 yuan / t. Iron and steel production in January ~ July actual production and total cost of the workshop in Table 1.