发明名称 PROCESS FOR PRODUCING A BELITE CEMENT HAVING A HIGH REACTIVITY AND A LOW CALCIUM/SILICATE RATIO
摘要 The present invention relates to building materials, in particular a method for the production of a binder for concrete, mortar or plaster, and a binder produced according to this method as well the use thereof.
申请公布号 US2015166409(A1) 申请公布日期 2015.06.18
申请号 US201314409504 申请日期 2013.06.10
申请人 HEIDELBERGGEMENT AG 发明人 Ben Haha Mohsen;Link Tim;Bellmann Frank;Ludwig Horst-Michael
分类号 C04B7/345 主分类号 C04B7/345
代理机构 代理人
主权项 1. Method for the production of a binder, comprising the following steps: a) providing a starting material made from raw materials that has a Ca/Si molar ratio of 1.5 to 2.5, in the determination of which the components that act in an inert manner during the hydrothermal treatment in the autoclave remain unconsidered, b) mixing the raw materials, c) hydrothermal treatment of the starting material mixture produced in step b) in the autoclave at a temperature of 100 to 300° C. and a retention time of 0.1 to 24 h, wherein the water/solids proportion is 0.1 to 100, d) annealing the intermediate product obtained in step c) at 350 to 495° C., wherein the heating rate is 10-6000° C./min and the retention time is 0.01-600 minutes, wherein, during the mixing b) and/or in the following steps, 0.1 to 30% b.w. of additional elements and/or oxides are added.
地址 Heidelberg DE