Feasibility study on the use of cellular concrete as alternative raw material for Portland clinker production

被引：21

作者：

Schoon, Joris ^{[1
,2
]}

De Buysser, Klaartje ^{[3
]}

Van Driessche, Isabel ^{[3
]}

De Belie, Nele ^{[2
]}

机构：

[1] SA Sagrex NV, Heidelberg Cement Benelux, Heidelberg Cement Grp, B-1170 Brussels, Belgium

[2] Univ Ghent, Fac Engn & Architecture, Dept Struct Engn, Magnet Lab Concrete Res, B-9052 Ghent, Belgium

[3] Univ Ghent, Fac Sci, Dept Inorgan & Phys Chem, Sol Gel Ctr Res Inorgan Powder & Thin Films Synth, B-9000 Ghent, Belgium

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2013年 / 48卷

关键词：

Clinker; Cellular concrete; SiO2; Quartz; Fineness; 45 mu m; 90 mu m; Alite; Free CaO; Burnability; AUTOCLAVED AERATED CONCRETE; QUARTZ PARTICLE-SIZE; MECHANICAL-PROPERTIES; CEMENT; 1400-DEGREES-C; BURNABILITY; TOBERMORITE; MIXES;

D O I：

10.1016/j.conbuildmat.2013.07.083

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper aims to investigate the use of cellular 'concrete as an alternative raw material (ARM) for Portland clinker kilns. The possibility to generate a raw material with a stable compositional variation was investigated as well as simulations were carried out to maximise their use in clinker kilns. Based on these simulations, experimental clinkers were produced with dosages that were esteemed as realistic. Because of the presence of important levels of quartz sand in the cellular concrete materials, the energy necessary to grind the alternative raw material in comparison with comparable classic raw materials was investigated as well as the influence of the final particle size distribution of the Cold Clinker Meal (CCM) on the mineralogical composition of the final clinkers. It will be demonstrated that cellular concrete materials can be used as ARM for clinker production although there are some important restrictions that will limit the practical implementation. This investigation will also provide some interesting knowledge on the use of other recycled concrete materials as alternative raw material for Portland clinker production.

引用

页码：725 / 733

页数：9

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