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    • 1. 发明专利
    • Safety device of top pressure energy recovering device of blast furnace
    • 高炉压力能量回收装置的安全装置
    • JPS5974207A
    • 1984-04-26
    • JP18368982
    • 1982-10-21
    • Mitsui Eng & Shipbuild Co Ltd
    • ARITA SHINJI
    • B01D50/00B01D51/00B01D51/04B01D51/10C21B7/00F02C1/00
    • C21B7/007
    • PURPOSE:To decrease the temp. of the waste gas of an abnormally high temp. by blow-through down to a safe temp. by detecting the temp. of the waste gas in a blast furnace on the upper stream side of a dry cust collector and ejecting a cooling fluid from plural places of the pipeline on the upper stream side of the dry dust collector in accordance with the detected value. CONSTITUTION:The waste gas from the top of a blast furnace 1 is fed through a coarse particle removing device 3 and a dry dust collector 4 to a turbine 9 which converts the energy stored in the waste gas by a power generator 10 to electric energy. A temp. sensor 15 is disposed in the pipeline 2 on the upper stream side of the collector 4 near the blast furnace 1. Two cooling fluid injectors 16A, 16B are disposed wit the device 3 in-between in the pipeline 2 on the upper stream side of the collector 4. The cooling fluid is ejected from the injectors 16A, 16B in accordance with the temp. detected with the sensor 15, by which the temp. of the waste gas is decreased down to a safe temp. The cooling fluid of the amt. conforming to the temp. of the waste gas is ejected successively from the injectors 16A, 16B, so that the recovering device system is protected.
    • 目的:降低温度 的废气异常高温 通过吹气到一个安全的温度。 通过检测温度 的废气在干燥收集器的上游侧的高炉中排出,并根据检测值从干燥集尘器的上游侧排出管道的多个位置的冷却流体。 构成:将来自高炉1顶部的废气通过粗颗粒除去装置3和干式除尘器4供给到涡轮9,涡轮9将由发电机10存储在废气中的能量转换成电能。 温度 传感器15配置在高炉1附近的收集器4的上游侧的管路2中。两个冷却流体喷射器16A,16B与设备3一起设置在管道2的上游侧 冷却液从喷射器16A,16B中按照温度被排出。 用传感器15检测到, 的废气减少到一个安全的温度。 amt的冷却液。 符合温度 的废气从喷射器16A,16B依次喷射,使得回收装置系统受到保护。
    • 2. 发明专利
    • Method for controlling differential pressure between bells of blast furnace
    • 用于控制吹制炉孔之间的差压的方法
    • JPS5735603A
    • 1982-02-26
    • JP10950580
    • 1980-08-08
    • Nisshin Steel Co Ltd
    • NISHIFUJI YOSHIMAKURIBAYASHI TAKAMIMASUNO SHIGEKIKANEMITSU YOSHINORI
    • C21B7/18C21B7/00
    • C21B7/007
    • PURPOSE:To stably open or close a small bell during charging of raw materials by providing a small bell chamber pressure take-out chamber between a pressure equalizing gas introducing valve of a flow passage feeding a pressure equalizing gas to a small chamber and the small chamber, and controlling the differential pressure between bells by the pressures taken out from this and a large bell chamber pressure equalizing part. CONSTITUTION:The pressure taken out from a small bell chamber pressure take- out part 13 provided on the small bell chamber 4 side of a pressure equalizing gas introducing valve 11 of a flow passage 9 for pressure equalizing gaseous nitrogen introduction and the pressure taken out from a take-out part 14 for large bell chamber pressure directly provided in a large bell chamber 6 are inputted to an interbell differential pressure detector, whereby the differential pressure between the bells is controlled. Thereby, the introduction of the gas for the purpose of eliminating the differential pressure between the bells is accomplished surely at the charging of raw materials.
    • 目的:在原料装料过程中,通过在均压气室的均压气体导入阀和小室之间设置一个小的钟室压力取出室,来稳定地打开或关闭一个小钟, 并且通过从其中取出的压力和大的钟形室均压部分来控制钟之间的压差。 构成:将来自设置在流路9的压力平衡气体导入阀11的小钟室4侧的小钟室压力取出部13取出的压力,用于使氮气导入压力平衡,从 直接设置在大的钟形室6中的用于大钟罩压力的取出部分14被输入到一个小型差压检测器,从而控制钟之间的差压。 因此,为了消除钟之间的压差,气体的导入在原料的充电时可靠地实现。
    • 4. 发明专利
    • Safety device for top pressure recovering device of blast furnace
    • 用于顶吹式压力回收装置的安全装置
    • JPS5974206A
    • 1984-04-26
    • JP18368882
    • 1982-10-21
    • Mitsui Eng & Shipbuild Co Ltd
    • ARITA SHINJI
    • B01D50/00B01D51/00B01D51/04B01D51/10C21B7/00F02C1/00
    • C21B7/007
    • PURPOSE:To cool the waste gas of an abnormally high temp. owing to blow- through down to a safe temp. by detecting the waste gas temp. of a blast furnace on the upper stream side of a dry dust collector, and ejecting a cooling fluid into the pipeline between the dry dust collector and a turbine in accordance with the detected value thereof. CONSTITUTION:The waste gas from the top of a blast furnace 1 is fed through a coarse particle removing device 3 and a dry collector 4 to a turbine 9, which converts the energy stored in the waste gas by a power generator to electric energy. Two sensors 15A, 15B are provided in the pipeline 2 on the upper stream side of the collector 4 near the blast furnace 1, and a cooling fluid injector 16 is provided near the pipeline 5 between the downstream side of the collector 4 and the upper stream side of the turbine 9. The sensors 15A, 15B detect the temp. of the waste gas and input the same to a high selector 17, then the selector 17 actuates the injector 16 to eject the cooling fluid into the pipeline 5 in accordance with the higher temp. thereof so that the temp. of the waste gas is deceased down to the safe operating temp. of the turbine 9.
    • 目的:冷却异常高温的废气。 由于吹气到一个安全的温度。 通过检测废气温度。 在干式集尘器的上游侧的高炉中,根据其检测值将冷却流体排出到干式集尘器和涡轮机之间的管路内。 构成:将来自高炉1顶部的废气通过粗颗粒除去装置3和干收集器4供给到涡轮9,涡轮9将通过发电机存储在废气中的能量转换为电能。 两个传感器15A,15B设置在靠近高炉1的收集器4的上游侧的管道2中,并且在收集器4的下游侧的上游侧的管道5附近设置有冷却液注入器16, 传感器15A,15B检测温度。 的废气并将其输入高选择器17,则选择器17致动喷射器16,以根据较高的温度将冷却流体喷射到管道5中。 使得温度 的废气已经下降到安全的工作温度。 的涡轮9。
    • 5. 发明专利
    • Operating method of blast furnace
    • BLAST FURNACE作业方法
    • JPS5967304A
    • 1984-04-17
    • JP17578982
    • 1982-10-06
    • Kawasaki Steel Corp
    • YOSHIDA MASAHIRO
    • C21B7/00F01D15/08
    • C21B7/007
    • PURPOSE:To economize the energy required for blasting by determining the optimum blast pressure at which the difference between the power consumption of a driving source of a blower in a set blast quantity and the quantity of the power recovered by a furnace top pressure turbine is minimized by using the performance curve, etc. of said turbine and controlling the driving source of the blower so that said blast pressure is obtd. CONSTITUTION:The highly pressurized air to be blown into a blast furnace 20 is generated by using a blower 16, and the energy of the furnace top gas discharged from the top of the furnace 20 is recovered by using a furnace top turbine 26, by which the blast furnace is operated. The optimum blast pressure at which the difference between the power consumption of the driving source for the blower in a set blast quantity and the quantity of the power recovered by the turbine 26 is minimized is determined by using the performance curve, etc. of the turbine 26. The driving source of the blower 16 is controlled with a control device 40 so that said optimum blast pressure is obtd.
    • 目的:通过确定最佳鼓风压力来节省爆破所需的能量,在该最佳鼓风压力下,设定鼓风量的鼓风机的驱动源的功率消耗与由炉顶压力涡轮机回收的功率的量之间的差异最小化 通过使用所述涡轮机的性能曲线等,并控制鼓风机的驱动源,使得所述鼓风压力得以实现。 构成:通过使用鼓风机16产生要吹入高炉20的高压空气,并且通过使用炉顶涡轮机26回收从炉顶20排出的炉顶气体的能量,由此, 高炉运行。 通过使用涡轮机的性能曲线等来确定用于设定鼓风量的鼓风机的驱动源的功率消耗与由涡轮机26回收的功率的量之间的差最小的最佳鼓风压力 用控制装置40控制鼓风机16的驱动源,从而达到最佳的鼓风压力。
    • 7. 发明专利
    • Safety device for top pressure energy recovering device of blast furnace
    • 用于顶吹式压力能量回收装置的安全装置
    • JPS5974204A
    • 1984-04-26
    • JP18368682
    • 1982-10-21
    • Mitsui Eng & Shipbuild Co Ltd
    • ARITA SHINJI
    • B01D50/00B01D51/00B01D51/04B01D51/10C21B7/00F02C1/00
    • C21B7/007
    • PURPOSE:To prevent the damage of an energy recovering device system during the blow-through of a blast furnace by providing a temp. sensor and a cooling fluid injector on the upper stream side of a dry dust collector and cooling the waste gas of an abnormally high temp. from the blast furnace down to a safe temp. CONSTITUTION:The waste gas from the top of a blast furnace 1 is fed through a coarse particle removing device 3 and a dry dust collector 4 to a turbine 9, which converts the energy stored in the waste gas to electric energy by a power generator 10. The waste gas is discharged from pipelines 11, 13. A temp. sensor 15 is disposed in the position approximate to the blast furnace 1 in the pipeline 2 on the upper stream side of the dust collector 4 and a cooling fluid injector 16 is disposed near the pipeline 2 on the upper stream side of the collector 4. The sensor 15 detects the temp. of the waste gas from the blast furnace 1 and emits a signal to eject the cooling fluid from the injector 16 into the pipeline 2 if the temp. of the waste gas is a prescribed temp. or above. The waste gas of the high temp. by the blow-through of the blast furnace 1 is thus decreased down to a safe temp.
    • 目的:为了防止在高炉吹风过程中能量回收装置系统的损坏, 传感器和冷却液注射器在干式集尘器的上游侧,并且冷却异常高温的废气。 从高炉下来到一个安全的温度。 构成:来自高炉1顶部的废气通过粗颗粒除去装置3和干式集尘器4供给到涡轮9,涡轮9将废气中储存的能量通过发电机10转换为电能 废气从管道11,13排出。 传感器15配置在集尘器4的上游侧的配管2的接近高炉1的位置,冷却液喷射器16配置在集电体4的上游侧的配管2附近。 传感器15检测温度。 的来自高炉1的废气,并发出信号以将冷却流体从喷射器16喷射到管道2中。 的废气是规定的温度。 或以上。 高温废气 因此,通过高炉1的吹风降低到安全温度。
    • 8. 发明专利
    • Pressure equalizing and releasing method of top charger for blast furnace
    • 用于高炉的顶部充电器的压力均衡和释放方法
    • JPS5913005A
    • 1984-01-23
    • JP11948482
    • 1982-07-09
    • Nippon Steel Corp
    • TANAKA KOUICHIKOSUGI MINORU
    • C21B7/18C21B7/00
    • C21B7/007
    • PURPOSE:To economize energy in a titled device having plural pieces of pressure equalizing hoppers by providing a bypass pipe and valve for pressure equalization. CONSTITUTION:A bypass pipe 25 and a bypass valve 26 are provided between pressure equalizing hoppers 5 and 6. For example, if the valve 26 is opened just prior to opening the respective pressure releasing valves 12 and pressure equalizing valves 10 of the hoppers 5, 6 in a conventional charging procedure, the gas in the hopper 5 flows to the hopper 6 side owing to a pressure difference in both hoppers and the pressures in both hoppers are equalized. In other words, the pressure in the hopper 5 is reduced down to the above-described average pressure from the internal pressure 3 of the furnace and the hopper 6 is pressurized up to the above- described average pressure from the atmospheric state. Such phenomenon arises also when both hoppers are in the pressure equalizing and releasing stage reverse from the above-mentioned stage. If the valve 26 is closed and the valves 12, 10 are closed simultaneously at the point of the time when both hoppers attain the equalized pressure, the respective pressure releasing and equalizing stages of both hoppers 5, 6 are started. The flow of raw materials from upper hoppers 1, 2 to the inside of the furnace is the same as in the prior art except the difference in the respective operating procedures for the valve 26, pressure equalizing valves 8, 10, and pressure releasing valves 12, 15 in said case as well.
    • 目的:通过提供旁通管和压力平衡阀,节省具有多个压力均衡料斗的标称装置的能量。 构成:旁通管25和旁通阀26设置在均压料斗5和6之间。例如,如果阀26在打开相应的压力释放阀12和料斗5的均压阀10之前打开, 如图6所示,在常规的装料过程中,料斗5中的气体由于两个料斗中的压力差而流到料斗6侧,并且两个料斗中的压力相等。 换句话说,料斗5中的压力从炉的内部压力3降低到上述平均压力,料斗6从大气压力加压到上述平均压力。 当两个料斗处于与上述阶段相反的压力平衡和释放阶段时,也会产生这种现象。 如果阀26关闭,并且阀12,10在两个料斗达到均衡压力的时刻同时闭合,则启动两个料斗5,6的相应的压力释放和均化阶段。 原料从上料斗1,2到炉内部的流动与现有技术相同,除了阀26,均压阀8,10和压力释放阀12的各个操作步骤的差异 在这种情况下也是15。
    • 9. 发明专利
    • Pressure equalizing method of blast furnace top ressure equalizing chamber
    • BLAST FURNACE顶级平衡室的压力均衡方法
    • JPS5779104A
    • 1982-05-18
    • JP15630980
    • 1980-11-06
    • Kobe Steel Ltd
    • TAKAO KAZUMASAAOKI HIRONORI
    • C21B7/18C21B7/00
    • C21B7/007
    • PURPOSE:To prevent the abrasion of apparatus parts such as upper bells in accordance with the discharging of raw materials by adding tertiary equalizing pressure in the pressure equalizing in the top part of a two bell type furnace. CONSTITUTION:Part of the gas half cleaned from the gas in a furnace 7 is conducted through a pressure equalizing pipe 11 into an upper bell hopper (pressure equalizing chamber) 3, whereby a primary pressure equalizing is accomplished. The gas in the furnace 7 then is conducted through a pressure equalizing pipe 12 into the chamber 3, whereby a secondary pressure equalizing is accomplished. A lower bell hopper 5 and the inside of the furnace 7 are communicated with a pressure equalizing pipe. A secondary pressure equalizing valve 17 is then closed, and a tertiary pressure equalizing valve 21 and a pressure regulating valve 22 are opened to be ready for introduction of gaseous nitrogen or the like through a tertiary pressure equalizing pipe 20 into the chamber 3. Thereafter, an upper bell 4 is opened to charge raw materials A immediately or after a constant time, and gaseous nitrogen or the like is introduced so as to maintain the presure in the chamber 3 (equal to the furnace top pressure) in accordance with the discharging from the chamber 3 in the raw materials A. Then, the abrupt ascending of the rough gas along the slope 4' of the upper bell 4 is obviated and the abrasion of apparatus, devices, etc. is prevented.
    • 目的:通过在双钟形炉顶部的均压中加入三次均压,以防止原料排放等装置部件磨损。 构成:将来自炉7中的气体一半清洗的气体的一部分通过均压管道11进入上鼓斗料斗(均压室)3,由此实现初级压力平衡。 然后,炉7中的气体通过均压管12进入室3,从而实现二次压力均衡。 下鼓斗5和炉7的内部与均压管连通。 然后关闭二次压力平衡阀17,打开三次压力平衡阀21和压力调节阀22,准备通过三次压力均衡管20将气态氮等引入室3中。之后, 打开上部钟4以立即或恒定时间对原材料A进行充电,并且引入气态氮等,以便根据排出物从室3中的排出量(等于炉顶压力)保持 原料A中的腔室3.然后,消除了粗气体沿着上钟4的斜面4'的突然上升,并且防止了装置,装置等的磨损。