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    • 48. 发明授权
    • Controlling thickness and planarity of hot rolled strips
    • 控制热轧带材的厚度和平面度
    • US4711109A
    • 1987-12-08
    • US845478
    • 1986-03-27
    • Wolfgang RohdeJurgen Klockner
    • Wolfgang RohdeJurgen Klockner
    • B21B37/00B21B37/28
    • B21B37/28
    • A metallic strip is hot-rolled in a succession of roll stands arranged in a row by passing the strip longitudinally in a travel direction through the stands. The strip is then compressed in the upstream stands to substantially reduce its thickness measured perpendicular to the travel direction and parallel to the strip while substantially increasing its width measured perpendicular to the travel direction and transverse to the strip. Then in the downstream stands it is compressed and tensioned without substantially increasing its width to level it and stretch it longitudinally in the travel direction. With standard steel strip this critical thickness is about 12 mm. The local band thickness is measured downstream of the upstream roll stands and the furthest downstream stand of the upstream stands is operated to eliminate any nonuniformities in thickness thus detected. The nonuniformities are detected by comparing the local band thicknesses detected with standard set-point thicknesses.
    • 金属带通过沿行进方向纵向通过支架而沿着一排布置成一排的轧辊机架进行热轧。 然后将带条在上游支架中压缩,以基本上减小其垂直于行进方向测量的厚度,并且平行于条带,同时基本上增加其垂直于行进方向测量的宽度并横向于条带。 然后,在下游支架中,它被压缩和张紧,而基本上不增加其宽度以使其平整并沿行进方向纵向拉伸。 使用标准钢带,该临界厚度约为12mm。 在上游辊架的下游测量局部带厚度,并且操作上游支架的最下游支架以消除由此检测的厚度的任何不均匀性。 通过比较用标准设定点厚度检测到的局部带宽来检测不均匀性。
    • 50. 发明授权
    • Process and apparatus for preheating coking coal
    • 预炼炼焦煤的工艺和设备
    • US4251207A
    • 1981-02-17
    • US14977
    • 1979-02-26
    • Kurt-Gu_nther BeckGeorg PollertWolfgang Rohde
    • Kurt-Gu_nther BeckGeorg PollertWolfgang Rohde
    • C10B57/10C10B57/08F26B3/08
    • C10B57/08
    • Coking coal is preheated and dried by passing hot carrier gas into a generally vertical flash drying pipe, then passing comminuted coal into the same pipe, the carrier gas being blown with a flow speed to move the coal upwards in the pipe and passing at about the midpoint of the pipe a mixture of hot combustion gases and additional hot recycle gas branched off from the other hot waste gas line into the pipe so as to cause further heating and moving of the coal, the further heating being carried out in a uniform and gentle manner. At the end of the pipe the coal and carrier gas are separated and the coal is recovered while the waste gas are recycled into a blower and therefrom into the vertical flash drying pipe with a branch leading part of the recycle gas into a mixing chamber with the combustion gases so as to lower the temperature of the combustion gases when the same are passed into the pipe.
    • 焦化煤通过将热载气通过一般垂直的闪蒸干燥管预热和干燥,然后将粉碎的煤通过相同的管道,载气以流速吹送,以使煤在管中向上移动, 管道的中点是将热燃气体和另一热废气管线分支的另外的热循环气体混合到管道中,以进一步加热和移动煤,进一步加热以均匀且平缓的方式进行 方式。 在管道的末端,煤和载气被分离并且煤被回收,而废气被再循环到鼓风机中并且从而进入垂直的闪蒸干燥管中,其中分支引导部分的再循环气体进入混合室 燃烧气体,以便当其通入管道时降低燃烧气体的温度。