公开(公告)号：US4874427A

公开(公告)日：1989-10-17

申请号：US127600

申请日：1987-12-02

申请人： Takao Hamada ,  Nobuo Tsuchiya ,  Toshihiro Inatani ,  Eiji Katayama ,  Toshimitsu Koitabashi ,  Kyoji Okabe ,  Mitsuo Sumito ,  Yoshiyasu Takada

发明人： Takao Hamada ,  Nobuo Tsuchiya ,  Toshihiro Inatani ,  Eiji Katayama ,  Toshimitsu Koitabashi ,  Kyoji Okabe ,  Mitsuo Sumito ,  Yoshiyasu Takada

IPC分类号： C21B13/00 ,  C21B13/14

CPC分类号： C21B13/14 ,  C21B13/002 ,  Y02P10/136 ,  Y02P10/265 ,  Y02P10/283

摘要： A powdery or fine granular ore containing metal oxides is melted and refined by charging the ore and a part of a reducing gas discharged from a vertical type of melting and reducing furnace into a fluidized bed type of preliminary reducing furnace to preliminary reduce the ore therein, charging the preliminary reduced ore heated at a high temperature into the above described melting and reducing furnace and melting and reducing the ore by using a carbonaceous solid reducing agent and air or oxygen rich air heated at a high temperature and discharging the molten metal and the molten slag from the melting and reducing furnace. By using the preliminary reduction step, the pretreatment of the powdery or fine granular ore containing metal oxides, such as formation into pellets, sintered ores, briquets and the like can be omitted.

摘要翻译： 将含有金属氧化物的粉状或细粒状矿石通过将矿石和一部分从垂直型熔融还原炉排出的还原气体装入流化床型预还原炉中来初步减少其中的矿石而熔化和精制， 将在高温下加热的初步还原矿石装入上述熔化还原炉中，并通过使用碳质固体还原剂和在高温下加热的空气或富氧空气来熔融和还原矿石，并将熔融金属和熔融的 来自熔化还原炉的渣。 通过使用预还原工序，可以省略对含有金属氧化物的粉末状或细颗粒状矿石，例如形成颗粒，烧结矿石，砖块等的预处理。

公开(公告)号：US4397691A

公开(公告)日：1983-08-09

申请号：US401001

申请日：1982-07-22

申请人： Takao Hamada ,  Nobuo Tsuchiya ,  Toshihiro Inatani ,  Yoshiyasu Takada ,  Mitsuo Sumito ,  Eiji Katayama ,  Toshimitsu Koitabashi ,  Kyoji Okabe ,  Yo Ito

发明人： Takao Hamada ,  Nobuo Tsuchiya ,  Toshihiro Inatani ,  Yoshiyasu Takada ,  Mitsuo Sumito ,  Eiji Katayama ,  Toshimitsu Koitabashi ,  Kyoji Okabe ,  Yo Ito

IPC分类号： C21B5/02 ,  C21B11/02 ,  C22C33/00 ,  C22C33/04 ,  C21B13/02

CPC分类号： C22C33/003

摘要： Fe-B molten metal for producing amorphous alloys are produced in a low cost by using a vertical furnace wherein beds packed with a carbonaceous solid reducing agent are formed and two or three stages of tuyeres are provided in the lower portion of said furnace, feeding a preliminarily reduced powdery iron ore into the furnace through the upper stage of tuyeres together with hot air and feeding boron oxide or boric acid into the furnace through the lower stage of tuyeres together with hot air and, if necessary blowing hot air into the furnace through the lowest stage of tuyeres. In stead of the above described vertical furnace, a usual blast furnace provided with one or two stages of tuyeres at the lower portion of said furnace is used. In this case, sintered iron ore, pellet-formed iron ore or lump iron ore is fed from the top of the furnace and powdery boron oxide or boric acid is fed through the tuyeres.

摘要翻译： 用于生产非晶合金的Fe-B熔融金属是通过使用垂直炉来生产的，其中形成了填充有碳质固体还原剂的床，并且在所述炉的下部设置了两个或三个阶段的风口， 预先将粉铁矿石通过风口的上段与热风一起进入炉内，并将氧化硼或硼酸与热空气一起通过风口的下段进入炉内，如有必要，通过吹风将热空气吹入炉内 风口最低的阶段。 代替上述立式炉，使用在所述炉的下部设置有一个或两个阶段的风口的常规高炉。 在这种情况下，烧结铁矿石，颗粒状铁矿石或块状铁矿石从炉顶进料，粉状氧化硼或硼酸通过风口进料。

公开(公告)号：US4466825A

公开(公告)日：1984-08-21

申请号：US518311

申请日：1983-07-29

申请人： Mikio Kondo ,  Kyoji Okabe

发明人： Mikio Kondo ,  Kyoji Okabe

IPC分类号： C21B5/00

CPC分类号： C21B5/008 ,  C21B5/006

摘要： A process for operating blast furnaces is disclosed, which comprises assuming a plurality of reference spaces, each of which serves as a stacking space for burden material and is defined by a plurality of line segments having inclination angles .theta..sub.1 and .theta..sub.2 with respect to a horizontal line on a surface of a previously stacked burden, before a predetermined volume of the burden material is charged from a charging equipment; settling a newly stacked surface of the burden in one of the standard spaces in such a manner that the newly stacked surface consists of two line segments having inclination angle .theta..sub.1 and .theta..sub.2 with respect to the horizontal line and intersecting with a falling trajectory of the burden so that a space defined between the newly stacked surface and the previously stacked surface corresponds to the predetermined volume of the burden material; and then charging the predetermined volume of the burden material from the charging equipment up to the position of the newly stacked surface on the previously stacked surface.

摘要翻译： 公开了一种用于操作高炉的方法，其包括假设多个参考空间，每个参考空间用作负载材料的堆叠空间，并且由具有相对于一个或多个的倾斜角度θ1和θ2的多个线段限定 在从充电设备对预定体积的负荷材料进行充电之前，预先堆叠的负担的表面上的水平线; 在一个标准空间中将堆叠的新堆叠的表面沉积在新的层叠表面中，使得新堆叠的表面由具有相对于水平线的倾斜角度θ1和θ2的两个线段组成，并与 使得在新堆叠的表面和先前堆叠的表面之间限定的空间对应于负荷材料的预定体积; 然后将预定体积的负荷材料从充电设备充电到预先堆叠的表面上的新堆叠表面的位置。

公开(公告)号：US4248625A

公开(公告)日：1981-02-03

申请号：US63969

申请日：1979-08-06

申请人： Sakae Tamura ,  Kyoji Okabe ,  Tsuyoshi Fukutake ,  Seiji Taguchi ,  Tamotsu Nagai ,  Mitsuo Saino ,  Tadaaki Iwamura

发明人： Sakae Tamura ,  Kyoji Okabe ,  Tsuyoshi Fukutake ,  Seiji Taguchi ,  Tamotsu Nagai ,  Mitsuo Saino ,  Tadaaki Iwamura

IPC分类号： C21B5/00 ,  G05B13/02

CPC分类号： G05B13/0265 ,  C21B5/006

摘要： A method of operating a blast furnace comprising the steps of selecting sight factors mathematically and statistically as effective in determining the operating condition of a blast furnace, sensing the eight factors as sample data, converting the sample data into variable factors, comparing the sample data and the variable factors with predetermined limiting factors, generating numerical non-dimension values corresponding to the level of satisfaction between the sample date or variable factors and the corresponding limiting values, multiplying the numerical non-dimensional values by predetermined corresponding weight allocation indices, summing separately the results of the multiplication for the sample data and the variable factors to form a numerical factor grand addition output and a variable factors grand addition output, summing the numerical factors grand addition output and the variable factors grand addition output to form an overall grand addition output and taking appropriate action to control the furnace based upon the values of the overall grand addition output, numerical factors and variable factors grand addition outputs and the numerical non-dimensional values.

摘要翻译： 一种操作高炉的方法，包括以下步骤：数学和统计学上选择视觉因子，以确定高炉的运行状况，感测八个因素作为样本数据，将样本数据转换为可变因子，比较样本数据和 具有预定限制因素的可变因子，产生对应于采样日期或可变因子之间的满意程度的数值非维值与相应的限制值，将数值非维值乘以预定的对应权重分配指数，分别相加 样本数据乘积和可变因子的结果形成数值因子大加法输出和可变因子大加法输出，总和加法输出的数值因子和可变因子大加法输出，形成总体大加法输出， 适当地 基于总体大加法输出值，数值因子和可变因子大加法输出值和数值无量纲值来控制炉的作用。