钢渣粉、钢铁渣粉在混凝土中的应用

Exploration and application about energy use of processing steel slag

目前，全国每年产生超过1亿吨的铜渣，所产生的钢尾渣超过7千万吨，且绝大多数无法得到利用，钢尾渣的堆放对环境造成巨大的污染，浪费了大面积的占地，这严重制约了钢铁工业循环经济的发展。钢渣粉是将钢渣经磁选除铁处理后粉磨达到一定细度的产品，钢铁渣粉是将钢渣粉与矿渣粉按一定比例的混合后形成的产品。钢渣粉中含有一定数量的硅酸二钙、硅酸三钙，具有潜在的水化活性，经磨细后可作混凝土掺合料使用，使用钢渣粉能提高混凝土和易性，提高混凝土耐久性，增加表观密度，提高耐磨性能，保证混凝土各项性能指标，钢渣粉可以与矿渣粉混合成钢铁渣粉，使混凝土工作性和力学性能、长期性能得到很大改善，钢渣粉、钢铁渣粉代替水泥应用混凝土中大大减少混凝土成本，具有广阔的经济效益，具有显著的社会效益和经济效益。

Steel slag generation and processing accompanied with great heat,how to effectively recycling is a major issue facing the steel slag industry. This article discussion the steel slag strategic sense＇s how to use heat energy,Introduce hot stuffy technology and the flash vaporization power technology,Introduce Steel slag recovery technology application practice,Proposes using the hydraulic pressure push-pull rod hot stuffy method recycling fusing steel slag in the manifested heat conception,and elaborated the steel slag the question and the technical feasibility exists in the heat energy recycling process,from social efficiency,economic efficiency and environmental protection benefit explanation steel slag energy use necessity,Exchange steel slag low quality recovery practice experience experiences.