One Of The High Level Metals Zinc Wire

The warpage of the strip steel during the cooling process of the zinc wire was numerically analyzed by using the MARC finite element software under different initial temperatures and tensile forces. During the cooling process, there is a temperature difference at the edge of the strip steel, which causes the strip to warp slightly. With the increase of the initial temperature, the temperature difference of the strip steel becomes larger, the more serious the warpage, and the tensile force of the strip has little influence on it. The strip deformation is relatively large in the air-cooling process, but the strip deformation is small in the air-cooling stage. The temperature difference at the edge of the strip and the high cooling rate during air cooling and their combined effects are the main reasons for the warping of the strip in the air-cooled section.

1.A kind of zinc wire furnace nose sealing system driven by fan-shaped gear, which belongs to the technical field of cold-rolled galvanizing production line in metallurgical industry. The technical scheme is: comprise two groups of flaps arranged in the furnace nose, form a closed chamber between the two groups of flaps and the furnace nose, and the closed chamber is provided with nitrogen gas inlet hole; Each group of flaps comprises two flaps that fit each other, and the flaps that fit each other are fixed on two rotating shafts respectively, and the two ends of the two rotating shafts are respectively provided with the sector gears that mesh with each other, and the sector gears at both ends of one rotating shaft are driven by a hydraulic cylinder respectively, which is an active sector gear, and the sector gears at both ends of another rotating shaft are passive gears. The beneficial effects of the utility model are that: by the fan-shaped gear transmission drives the flap to open and close, the transmission effect and the furnace nose sealing effect are good, can reduce the oxidation of the plate and belt, improve the surface quality of the plate and belt, and provide a good guarantee for the subsequent galvanizing effect.

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