Method for preparing brick by using slag of construction waste and household waste: Fid-Bau Portal

Method for preparing brick by using slag of construction waste and household waste

WU JIANGJIN / XU XINHUA / CUI KAI / WANG JINSHUI

The invention provides a method for preparing bricks from slag of construction waste and household waste, and relates to the technical field of preparation of building materials. The method for preparing the brick by using the slag of the construction waste and the domestic waste comprises the following specific steps: step 1, putting the slag of the construction waste or the domestic waste into a grinding machine for grinding, and after the grinding is completed, carrying out screening treatment on the ground powder by using a sieve plate so as to obtain aggregate; step 2, putting the feldspar into a grinding machine for grinding, and screening the ground powder by using a sieve plate after the grinding is completed, so as to obtain the feldspar powder. The aluminum oxide and the feldspar are added into the brick, the outer part and the inner part of the brick are uniformly heated by mainly utilizing the thermal conductivity of the aluminum oxide, and meanwhile, the use of the feldspar is beneficial to improving the adhesion between the raw materials of the brick, reducing the sintering time and reducing the probability of cracks on the sintered brick.

本发明提供一种用建筑垃圾和生活垃圾的炉渣制备砖的方法，涉及建筑材料制备技术领域。该用建筑垃圾和生活垃圾的炉渣制备砖的方法，包括以下具体步骤：步骤一、将建筑垃圾或者生活垃圾的炉渣放入研磨机内进行研磨，研磨完成后使用筛板将研磨后粉体进行筛分处理，进而得到骨料；步骤二、将长石放入研磨机中进行研磨，研磨完成后使用筛板将研磨后粉体进行筛分处理，进而得到长石粉体。通过在砖块的内部添加氧化铝和长石，主要利用氧化铝的导热性，使砖块外部与内部均匀受热，同时长石的使用，有利于提高砖块原料之间的粘接性，有利于减少烧结的时间，降低烧结后的砖块上出现裂缝的概率。

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