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Tolerable Limit of Localized Force on Damaged Coke Oven Wall Analyzed by Discrete Element Method

机译:离散元法分析受损焦炉壁局部力的容许极限

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In order to prolong the service life of coke ovens, the tolerable limit of localized force on damaged oven walls is investigated by discrete element method simulation. A simulation model comprising three flues and five or fifteen layers of bricks was constructed and the effect of various wall damages on the tolerable limit of localized force was examined. It was found that the following liner brick damages cause an extreme decrease in the tolerable limit: 1) loss of tongue and groove constraint, 2) wear which reaches tongue and groove (ca. over 35 mm), 3) cracks over 2.5 mm wide, and 4) loss of horizontal constraint. These findings provide useful guidelines for effectively repairing old coke ovens to prolong oven life.
机译:为了延长焦炉的使用寿命,通过离散元方法模拟研究了受损炉壁上局部力的可承受极限。建立了由三个烟道和五个或十五个砖块组成的仿真模型,并研究了各种壁损伤对局部力的容许极限的影响。发现以下衬砌砖损坏导致可容许极限的极大降低:1)失去榫槽约束,2)磨损达到榫槽(约35 mm以上),3)破裂2.5毫米宽,以及4)失去水平约束。这些发现为有效修复旧焦炉以延长炉寿命提供了有用的指导。

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