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建立了钢铁企业生产成本模型,分别讨论了钢产量不变和铁水量不变的2种情况下,生产成本随铁钢比的变化规律,并提出废钢临界价格概念.分析表明,当废钢单价高于废钢临界价格时,增加铁钢比可以降低生产成本,否则相反.废钢单价与废钢临界价格相差较大时,铁钢比对生产成本的影响更显著.实例计算表明,当钢产量不变(284 358 t/月),废钢单价高于废钢临界价格263.2元/t时,铁钢比增加0.01,每月可降低生产成本75万元左右(2.63元/t);当铁水量不变(270 425t/月),废钢单价高于临界价格140.7元/t时,铁钢比增加0.01,每月可降低生产成本43万元左右(1.5元/t).结果表明,钢铁企业应根据废钢单价的波动情况及时调整生产策略,以降低生产成本.
The production cost models of steel enterprises are established respectively, and the production cost changes with the ratio of iron and steel under the two cases of constant steel output and unchanged iron flux, and the concept of critical price of scrap is proposed.The analysis shows that when the unit price of scrap When the critical price of scrap is lower, the increase of iron-steel ratio can reduce the production cost, on the contrary, the difference between the unit price of scrap and the critical value of scrap greatly affects the production cost more significantly.Examples show that when the output of steel remains the same 284 358 t / month), the unit price of scrap is higher than the critical value of scrap at 263.2 yuan / t, the iron-steel ratio increases by 0.01, and the monthly production cost can be reduced by 750,000 yuan (2.63 yuan / t) 425t / month), when the unit price of scrap is higher than the critical price of 140.7 yuan / t, the ratio of iron and steel increases by 0.01, and the monthly production cost can be reduced by about 430,000 yuan (1.5 yuan / t) .The results show that the steel enterprises should, Fluctuations and timely adjustment of production strategies to reduce production costs.