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    • 4. 发明授权
    • Installation for controlling the sealed condition of water-gas heat exchangers for industrial furnaces
    • 用于控制工业炉的水煤气热交换器密封状态的安装
    • US06659166B1
    • 2003-12-09
    • US09830292
    • 2001-04-25
    • Gilles ZanderAndré Gaggioli
    • Gilles ZanderAndré Gaggioli
    • F24H300
    • C21D9/561C21D9/573F27B9/28F27D17/004F27D21/00F27D2021/0057G01M3/04G01M3/20
    • An industrial furnace has at least one assembly formed by an extruder for extracting hot gas present in a given zone of the furnace, a water/gas heat exchanger for cooling the hot gas, and a reinjecting device for reinjecting the cooled gas into a zone of the furnace situated downstream from the zone from which the hot gas was extracted. First and second sampling devices sample the hot gas at points each situated upstream and downstream from a heat exchanger and two-port valves allowing the sampling to be performed. A regulating device regulates the respective pressures of the hot gas and the cooled gas downstream from the sampling devices. A three-port valve selects the hot gas or the cooled gas and applies it to a hygrometer. An operator is informed of the results of analyses performed by the hygrometer so that the operator may compare the degree of humidity of the hot gas and of the cooled gas for each of the heat exchangers.
    • 工业炉具有至少一个由挤出机形成的组件,用于提取存在于炉的给定区域中的热气体,用于冷却热气体的水/气热交换器,以及用于将冷却气体再注入到 该炉位于从其中提取热气体的区域的下游。 第一和第二采样装置在热交换器上游和下游的位置处对热气进行采样,并且允许进行采样的双口阀。 调节装置调节采样装置下游的热气体和冷却气体的相应压力。 三口阀选择热气体或冷却气体,并将其应用于湿度计。 通知湿度计进行的分析结果的操作者,以便操作人员可以比较每个热交换器的热气体和冷却气体的湿度。
    • 8. 发明申请
    • Device for continuously operated belt sintering
    • US20040074740A1
    • 2004-04-22
    • US10432055
    • 2003-10-22
    • Olavi Tulkki
    • B65G039/16
    • F27B21/06F27D2021/0057
    • The invention relates to a device for moving the belt of a belt conveyor used in continuously operated belt sintering between the drawing drum and the folding drum, and for aligning the belt sintering belt to be moved by the belt conveyor with respect to the sintering device. According to the invention, in order to rotate the drawing drum (2) of the belt conveyor used in belt sintering, in the immediate vicinity of the other end of the drawing drum, there is installed an actuator device (5, 6, 8) of the belt conveyor, where in at least one rotary element (5) that is installed co-centrically with the axis (15) of the drawing drum and cogged on the outer circumference, there is connected at least one actuator element (6) that is essentially smaller in diameter and cogged on the outer circumference, which actuator element (6) can be made to rotate by means of an actuating motor (8) belonging to the actuator device. Moreover, in order to align the belt (1) of the belt conveyor with respect to the sintering device (4), the actuator device of the belt conveyor is installed, with respect to the belt conveyor, so that the aligning of the belt (1) of the belt conveyor can, when necessary, be carried out essentially by moving the whole actuator device (5, 6, 8) of the belt conveyor.
    • 9. 发明授权
    • Bridging protection apparatus for an induction furnace
    • 用于感应炉的桥接保护装置
    • US5661749A
    • 1997-08-26
    • US527460
    • 1995-09-13
    • Shizuo Hayashi
    • Shizuo Hayashi
    • F27B14/20F27B14/06F27B14/08F27D19/00F27D21/00H05B6/06H05B6/28
    • H05B6/28F27B14/08F27D19/00F27B14/061F27D2019/0034F27D2021/0057F27D21/0014
    • Temperature sensors are embedded in a refractory material that make up the walls of a body of an induction furnace and detect an increase in the temperature of a molten metal in the body of the furnace due to the bridging of a metal material that is to be melted in the furnace body. The temperature sensors are connected to an antenna for detecting runout. Since various electrical data (voltage, current, power, frequency, etc.) that affect an alternating current to be supplied to a coil of the induction furnace change depending on the temperature of the molten metal, bridging of the metal material is detected by determining the rates of temporal change in these electrical data. Furthermore, the changes in the electrical data with respect to the progress of the operation of the induction furnace are previously stored in data storage, and the electrical data stored are compared with electrical data detected in the induction furnace in operation. An alarm is given when the deviation of the detected electrical data from the stored electrical data is kept larger than a predetermined value for a predetermined time period.
    • 温度传感器被嵌入到构成感应炉体的壁的耐火材料中,并且由于要融化的金属材料的桥接而检测炉体内的熔融金属的温度升高 在炉体内。 温度传感器连接到用于检测跳动的天线。 由于影响供应给感应炉的线圈的交流电的各种电气数据(电压,电流,功率,频率等)根据熔融金属的温度而变化,所以通过确定金属材料的桥接来检测金属材料的桥接 这些电气数据的时间变化率。 此外,电气数据相对于感应炉的运行进展的变化预先存储在数据存储器中,并且将存储的电气数据与在感应炉中检测到的电气数据进行比较。 当检测到的电气数据与存储的电气数据的偏差在预定时间段内保持大于预定值时,给出报警。