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六、炉内炉料下降的测量测量炉身各段圆周各个方向炉料下降速度及料层厚度,除了知道炉料下降情况以外,还可了解圆周方向的平衡状态,以便获得炉料分布、熔融状念以及煤气分布最佳化的信息。最近开发的炉料下降测量有电磁法和电阻法等几种。电磁法如日本新日铁公司堺厂利用磁场原理用传感器测量料层的下降,其灵敏度为200毫伏/高斯,它安装在炉身各层及各个方向耐火砖内,利用下降的矿石和焦炭二者导磁率不同而测定炉料下降速度。电阻式传感器是用测量料层的电
Sixth, the reduction of the furnace charge Measurement of the furnace shaft in all directions of the circle around the furnace speed and material thickness of the fall, in addition to knowing the fall of the charge situation, but also to understand the balance of the circumferential direction, in order to obtain charge distribution, the concept of melting and gas Optimized distribution of information. Recently developed charge down measurement of electromagnetic and resistance methods such as several. Electromagnetic method such as Nippon Steel Corporation Nippon Factory Nippon magnetic field theory using the sensor to measure the decline of the material layer, the sensitivity of 200 mV / Gauss, which is installed in the shaft and fire bricks in all directions, the use of falling ore and coke Both different permeability and determination of the rate of decline of charge. Resistive sensors are used to measure the charge of the material