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method to produce slitfoder including the addition of the ester
method to produce slitfoder including the addition of the ester
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机译:包括添加酯的裂果饲料的生产方法
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摘要
The present invention relates to a process for making a wear lining for casting ladles and pouring boxes used in foundries, in which process the wear lining is formed by introducing into a casting ladle or pouring box a pourable mass consisting of a granular or particulate refractory material that has a low heat conductivity and contains at least 4 wt-% of sodium silicate or potassium silicate and which binds together to form a solid mass in situ by means of a silica-containing gel precipitated from the silicate by the addition of a suitable ester or mixture of esters, optionally combined with the introduction of carbon dioxide. The invention also relates to a process for increasing the service life of the wear lining made in this way by adapting its MgO content according to whether it-the lining-comes into contact mainly with molten metal or molten slag.
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