| Flow and Flow Decay of Refractory Castables |
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| 引用本文： | CHENZhiqiang BjomMyhre BjornSandberg. Flow and Flow Decay of Refractory Castables[J]. 中国耐火材料, 2003, 12(4): 16-19 |
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| 作者姓名： | CHENZhiqiang BjomMyhre BjornSandberg |
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| 作者单位： | [1]ElkemInternationalTrade（Shanghai）Co.,Ltd [2]ElkemRefractoriesP.O.Box8126,N-4602Kristiansand,Norway |
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| 摘 要： | Installation of refractory castables depend not only on flow,but also on how soon the flow is lost because of setting.The loss of flow(flow decay)has always been one of the main problems of refractory castable manufacturers,a problem that has not been too well described in literature.The flow decay has been studied for a castable system based on alumina,pointing out some general trends.The flow decay was found very temperature sensitive,being strongly accelerated by temperature increases.To compensate for excessive flow loss,a retarder like citric acid may be used.Thus flow decay was measured as a function of citric acid(retarder) addition at 35℃.
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| 关 键 词： | 耐火材料 浇铸材料 流程衰减 钒土铸块 阻滞剂 凝结时间 |
Flow and Flow Decay of Refractory Castables |
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| CHEN Zhiqiang,Bjom Myhre,Bjorn Sandberg. Flow and Flow Decay of Refractory Castables[J]. China’s Refractories, 2003, 12(4): 16-19 |
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| Authors: | CHEN Zhiqiang Bjom Myhre Bjorn Sandberg |
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| Abstract: | Installation of refractoty castables depend not only on flow, but also on how soon the flow is lost because of setting. The loss of flow (flow decay) has always been one of the main problems of refractory castable manufacturers,a problem that has not been too well described in literature. The flow decay has been studied for a castable system based on alumina, pointing out some general trends. The flow decay was found very temperature sensitive, being strongly accelerated by termperature increases. To compensate for excessive flow loss, a retarder like citric acid may be used. Thus flow decay was measured as a function of citric acid (retarder) addition at 35 ℃ . |
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| Keywords: | Refractory Flow Flow decay Alumina based castable Retarder Setting time |
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