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- 关 键 词：
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谷物
清洗
结构设计
- 资源描述：
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谷物清洗机的结构设计,谷物,清洗,结构设计
- 内容简介：
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附录二：英文翻译The Report on the Slab Surface Cleaning Tracking TestWang YingbingAbstract: This paper describes slab surface cleaning butyl our factory with the tracking test after cleaning the surface of the billet, rolling on the plate after the emergence of crack and other defects as the rate reduced. Steel quality improvement.Key Words: Slab Surface Cleaning Steel Quality Our factory slab cleaning process began devotion work in the November of 1992. In order to understand cleaning effect and correctly grasp the acceptance standard after clearing. December 1992 established by tube place, butyl nidalai, converter factory, the tracking in plate group subsidiaries. Will now tracking test summary below.1.Test Plan(1) Choose 5 furnace in semi-finished inspection offices of slab surface defects of flame clean-up and detailed records of surface defects name, distribution and clean situation, then press the furnace plate cutting, then send to the size, according to clear from large to small serial number, and record on every small plate. Finally the cleaning according to the serial number into the furnace (cleaning face big advanced furnace) for tracking rolling.(2) Choose 5 furnace more surface defect of slab (for near the Spring Festival, choose only to 4 furnace), with no clear, press furnace with the rolling. Then compared the billet clear.2. Slab Surface Profile(1) The 5 furnace (cleaning a gun cleaning, cleaning with flame for lO0 300mm width), see table 1.(2) Not cleaning the surface quality situation of slab in table 2.3. The Steel Plate Surface DefectsThe steel plate surface defects to table 3.4. The records from tracking that rolling statistical analysis:(1) Slab on visible defects is mainly crack (with longitudinal crack appeared in the main and many outside surface caster), the second is scarred.(2) Flame cleaning surface after not ideal, some local blow too deep (20mm), lO 20 of plate edge smooth, make enough to appear on the scale layer, indentation defects. Such as 2-1-43 furnace DiWuKuai surface blow lOmm pit depth greater than after the rear panel, rolling are still, so must raise pits to clear the technical level, the processed surface smooth without edges, no more than lOmm maximum depth.(3) To improve surface cleaning plate quality, reduce surface defect is effective, the cleaning plate after the billet rolling crack in the rate of 8, and appear without clearing reach 4O. 38, other defect rates have reduce clearing appeared in the five furnace, rolling ChengGangBan crack billet fell to appear by 84 rate of 8.(4) Slab of fine cracks on minor, such as 1 May not be clear - 9-185 furnace surface all furnace longitudinal crack, but only a piece of a surface after rolling cracks (accounted for 11)(5) This experiment, the billet rolling plate after the defects is mainly on inclusion, followed by stratification. But these two kinds of defects in slab surface is oft
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