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    • 1. 发明专利
    • Method for producing coke for blast furnace
    • 用于生产烤炉的焦炭的方法
    • JP2008156661A
    • 2008-07-10
    • JP2008033191
    • 2008-02-14
    • Nippon Steel Corp新日本製鐵株式会社
    • NOMURA SEIJIOKANISHI KAZUYAUEKI MAKOTOSUGANO ARIHIROMURAKAMI HIDEAKIYAMAGUCHI KOICHIDOI KAZUHIDEKOIZUMI SATOSHISUZUKI YUTAKAKATO KENJI
    • C10B57/04C10B57/08
    • PROBLEM TO BE SOLVED: To provide a method for producing coke for a blast furnace capable of increasing the ratio of coal having high expansion pressure used without raising the expansion pressure of a coke oven.
      SOLUTION: The method for producing the coke for the blast furnace is a method for adjusting a weighted average value of the total expansion ratio of non or slightly caking coal in blended coal comprising coal having a high expansion pressure, non or slightly caking coal and caking coal charged into the coke oven, to ≤30%. This can greatly reduce an expansion pressure of the blended coal upon carbonization of coal in a carbonization chamber of the coke oven. Further, the ratio of grains of the coal having high expansion pressure of ≤0.7 mm is set to ≥45 mass%. A binder in an amount of ≥5 mass% based on the coal having a high expansion pressure is added, kneaded beforehand, then mixed with the residual blended coal and carbonized in the coke oven.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 解决的问题:提供一种能够提高所使用的高膨胀压力的煤的比例而不提高焦炉的膨胀压力的高炉的焦炭的制造方法。 解决方案:用于生产高炉焦炭的方法是一种用于调整具有高膨胀压力,非或轻微结块的煤的混煤中非或轻微结块煤的总膨胀比的加权平均值的方法 煤炭和结焦煤投入焦炉,至≤30%。 这可以大大降低在焦化炉的碳化室中煤炭碳化时混合煤的膨胀压力。 此外,膨胀压力≤0.7mm的煤的颗粒比例设定为≥45质量%。 加入基于具有高膨胀压力的煤的≥5质量%的粘合剂,预先捏合,然后与残留的混合煤混合并在焦炉中碳化。 版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Measuring method of coke shrinkage ratio and estimation method of coke grain size using the same
    • 焦炭收缩比的测量方法和使用它的焦糖粒度的估算方法
    • JP2005232349A
    • 2005-09-02
    • JP2004044326
    • 2004-02-20
    • Nippon Steel Corp新日本製鐵株式会社
    • NOMURA SEIJIDOI KAZUHIDEOKANISHI KAZUYAUEKI MAKOTOSUGANO ARIHIROMURAKAMI HIDEAKIKOIZUMI SATOSHIARIMA TAKASHI
    • C10B57/00C10B57/04
    • PROBLEM TO BE SOLVED: To provide an estimation method of a coke grain size which permits highly accurate estimation of the coke grain size without necessitating trial dry-distillation for every candidate blended coal, and a measuring method of a coke shrinkage ratio necessary therefor.
      SOLUTION: In the measuring method of the coke shrinkage ratio, coal 1 to be charged into a coke oven is heated in a container 2 up to a temperature T (°C) not lower than a re-solidifying temperature of the coal, and the difference between the volume or the length of the content at the re-solidifying temperature and that at T is divided by the volume or the length at the re-solidifying temperature, and thus-obtained value is regarded as the shrinkage ratio of the coke formed from the coal at the temperature T. The estimation method of the coke grain size comprises measuring a coke shrinkage ratio of single coals by the measuring method of the coke shrinkage ratio above, calculating the coke shrinkage ratio of a blended coal as the weighted average, based on the blending ratio, of the coke shrinkage ratios of the single coals measured above, and estimating the coke grain size of the blended coal based on the coke shrinkage ratio of the blended coal.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供焦炭粒度的估计方法,其允许高精度地估计焦炭粒度,而不需要对每个候选混合煤进行试炼干馏,并且需要测量焦炭收缩率的方法 为此。 解决方案:在焦炭收缩率的测量方法中,将要装入焦炉的煤1在容器2中加热至不低于煤的再凝固温度的温度T(℃) ,在再凝固温度下的体积或长度与T的含量之差除以再凝固温度下的体积或长度,因此将其作为收缩率 焦炭在温度T下由煤形成。焦炭粒度的估计方法包括通过上述焦炭收缩率的测量方法测量单一煤的焦炭收缩率,计算混煤的焦炭收缩率为 基于混合比的加权平均值,基于混合煤的焦炭收缩率估算上述单个煤的焦炭收缩率,并估计混合煤的焦炭粒度。 版权所有(C)2005,JPO&NCIPI
    • 4. 发明专利
    • Method for producing coke for blast furnace
    • 用于生产烤炉的焦炭的方法
    • JP2005187494A
    • 2005-07-14
    • JP2003426742
    • 2003-12-24
    • Nippon Steel Corp新日本製鐵株式会社
    • NOMURA SEIJIOKANISHI KAZUYAUEKI MAKOTOSUGANO ARIHIROMURAKAMI HIDEAKIYAMAGUCHI KOICHIDOI KAZUHIDEKOIZUMI SATOSHISUZUKI YUTAKAKATO KENJI
    • C10B57/04C10B57/06C10B57/08
    • PROBLEM TO BE SOLVED: To provide a method for producing coke for a blast furnace increasing the ratio of coal having high expansion pressure used without raising the expansion pressure of a coke oven.
      SOLUTION: The method for producing the coke for the blast furnace is carried out according to any of the following. The ratio of grains of coal having the high expansion pressure and ≤0.7 mm in blended coal of the coal having the high expansion pressure, non or slightly caking coal and caking coal charged into the coke oven is ≥45 mass% or non or slightly caking coal is regulated so that the weighted average value of the total expansion ratio is ≤30% or a binder in an amount of ≥5 mass% based on the coal having the high expansion pressure is added, kneaded beforehand, then mixed with the residual blended coal and carbonized in the coke oven. Otherwise, a combination thereof is made.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 待解决的问题:提供一种用于生产高炉的焦炭的方法,其增加所使用的具有高膨胀压力的煤的比例,而不提高焦炉的膨胀压力。 解决方案:用于制造用于高炉的焦炭的方法根据以下任一项进行。 具有高膨胀压力的煤的混合煤中的高膨胀压力和≤0.7mm的煤的比例,加入焦炉中的非结晶煤和结块煤的比例为≥45质量%或非或轻微结块 调整煤的总膨胀率的加权平均值为≤30%,或者相对于具有高膨胀压力的煤添加约5质量%的粘合剂,预先捏合,然后与残留共混物 煤炭在焦炉中碳化。 否则,进行组合。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Compounding plan creation device, composition plan creation method, program, and computer-readable recording medium
    • 组合计划创建装置,组合计划创建方法,程序和计算机可读记录介质
    • JP2009169823A
    • 2009-07-30
    • JP2008009193
    • 2008-01-18
    • Nippon Steel Corp新日本製鐵株式会社
    • KOBAYASHI TAKAKAZUYACHI YASUTOISHII YOSHITOISHIYAMA TADASHIUEKI MAKOTO
    • G05B19/418G06F19/00G06Q50/00G06Q50/04
    • Y02P90/30
    • PROBLEM TO BE SOLVED: To optimize, in creation of a compounding plan for mixing various kinds of compounding raw materials so as to satisfy requested qualities-properties with a minimum cost, the raw materials over two or more days without shortage of the stocks thereof, and to optimize a composition plan requiring an optional time accuracy in detail at high speed with an accuracy requested by a planner so as to be applicable to actual operation as it is. SOLUTION: Based on a solution of optimization of a composition plan for an optimization period, a compounding plan is created from a result of simulation of stock transition and quality-property of each raw material, and a date just after a plan determination period set therein is taken as a new planning start date. According to this, a series of processing for determining a composition plan for a new plan object period can be successively performed, and the composition plan can be optimized in detail with the accuracy requested by the planner so as to be applicable to actual operation as it is. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了优化在各种配混原料混合的配混方案的制定中,以最小的成本满足要求的质量特性,原料在两天或更多天不缺乏 并且优化组合计划,其需要以计划者所要求的准确度高速地以高速度进行可选的时间精度,以便适用于实际操作。

      解决方案:根据优化期间组合计划优化的解决方案,从每个原材料的库存过渡和质量属性的模拟结果以及计划确定之后的日期创建复合计划 作为新的规划开始日期。 因此,可以连续执行用于确定新的平面对象周期的构图计划的一系列处理,并且可以以计划者要求的精度来详细地优化构图计划,以便适用于实际操作 是的 版权所有(C)2009,JPO&INPIT

    • 7. 发明专利
    • Estimation method of coke strength after hot-reaction and manufacturing method of coke
    • 热反应后焦糖强度的估计方法和焦糖的制造方法
    • JP2005232350A
    • 2005-09-02
    • JP2004044327
    • 2004-02-20
    • Nippon Steel Corp新日本製鐵株式会社
    • NOMURA SEIJIYAMAGUCHI KOICHIOKANISHI KAZUYAUEKI MAKOTOSUGANO ARIHIROMURAKAMI HIDEAKIDOI KAZUHIDEKOIZUMI SATOSHIARIMA TAKASHI
    • C10B57/00C10B57/04
    • PROBLEM TO BE SOLVED: To provide an accurate estimation method of hot strength of coke and to provide a manufacturing method of coke for accurately realizing target hot strength of coke.
      SOLUTION: The estimation method of coke strength after a hot reaction (CSR) of coke from a blended coal comprises deciding a reaction rate (CRI) of the coke from the blended coal based on a weighed average of CRI's of coke from single coals and estimating the CSR of the coke from the blended coal based on the obtained CRI of the coke from the blended coal and a surface fracture strength (DI
      150
      6 ) of the coke from the blended coal. The CRI of the coke from the blended coal is decided based on the weighted average of CRI of the coke from single coals and the weighted average of the total expansion coefficient (TD) of the coke from single coals. The manufacturing method of the coke comprises estimating the coke strength after the hot reaction using the estimation method of the coke strength after the hot reaction and adjusting the blending ratio of the single coals constituting the blended coal.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供焦炭热强度的精确估计方法,并提供用于准确地实现焦炭目标热强度的焦炭的制造方法。 解决方案:来自混煤的焦炭的热反应(CSR)的焦炭强度的估计方法包括从混合煤中确定焦炭的反应速率(CRI),基于来自单一的焦炭的焦炭的加权平均值 煤和基于获得的来自混合煤的焦炭的CRI和表面断裂强度(DI 150 6 )从混合煤中估计焦炭的CSR 来自混煤的焦炭。 来自混煤的焦炭CRI根据单煤焦炭加权平均值和单煤焦炭总膨胀系数(TD)的加权平均值决定。 焦炭的制造方法包括使用热反应后的焦炭强度的估计方法来估计热反应后的焦炭强度,并调整构成混合煤的单一煤的共混比。 版权所有(C)2005,JPO&NCIPI
    • 9. 发明专利
    • Method for estimating coke strength
    • 估计焦炭强度的方法
    • JP2005194358A
    • 2005-07-21
    • JP2004001018
    • 2004-01-06
    • Nippon Steel Corp新日本製鐵株式会社
    • NOMURA SEIJIOKANISHI KAZUYAUEKI MAKOTOSUGANO ARIHIROMURAKAMI HIDEAKIYAMAGUCHI KOICHIDOI KAZUHIDEKOIZUMI SATOSHISUZUKI YUTAKAKATO KENJIARIMA TAKASHI
    • G01N33/22C10B45/00C10B57/00
    • PROBLEM TO BE SOLVED: To provide a method for estimating a coke strength in a good accuracy even when the ratio of low-coalification-rank coals blended is high in a method for estimating a coke strength after carbonization comprising blending high-coalification-rank coals with low-coalification-rank coals, estimating a surface break powder coke amount and a volume break powder coke amount according to the coal properties measured on the respective blended coals before carbonization, and estimating the coke strength after carbonization from the sum of the surface break powder coke amount and the volume break powder coke amount.
      SOLUTION: The volume break powder coke amount is estimated according to the average reflectivity of the blended high-coalification-rank coals and the blending ratio of the low-coalification-rank coals. The surface break powder coke amount used in the above estimation is determined by separately determining the surface break powder coke amount of the blended high-coalification-rank coals and the surface break powder coke amount of the low-coalification-rank coals and taking the average of the amounts weighted by the blending ratios of these high-coalification-rank coals and low-coalification-rank coals.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种即使在碳化后的焦炭强度的估计方法中混合的低煤化度煤的比例高的情况下,也能以高精度进行焦炭强度的估计的方法,其包括将高煤化率 - 低碳煤级煤,根据在碳化前各自混合煤测得的煤特性,估算出粉碎焦粉量和体积粉碎焦炭量,并从碳化后估算碳化后的焦炭强度 表面破碎粉末焦炭量和体积粉碎焦炭量。

      解决方案:根据混合高煤级煤的平均反射率和低煤化度煤的混合比,估算体积粉碎焦炭量。 上述估计中使用的表面破碎粉末焦炭量通过分别确定混合的高煤化级煤的表面破碎粉末焦炭量和低煤化级煤的表面破碎粉末焦炭量并以平均值 的这些高煤化煤和低煤化煤的混合比例加权的数量。 版权所有(C)2005,JPO&NCIPI