Ceramsite concrete insulating brick and production method thereof

Abstract

The invention discloses a ceramsite concrete insulating brick and a production method thereof. A brick block per cubic meter comprises the following components: ceramsite of 150-170kg, waste residue of 830-860kg, cement of 130-160kg, fly ash of 10-20kg and water of 120-130kg. The manufacturing method comprises the following steps: mixing the ceramsite and the waste residue to prepare a first mixture; mixing the cement and the fly ash to prepare a second mixture; mixing the first mixture and the second mixture, adding an appropriate amount of water, and mixing again; and forming through vibrating extrusion, stripping the mold and maintaining in an conventional way to obtain the ceramsite concrete insulating brick in the invention. The ceramsite can form a vitrified shell after firing formation, and the shell has good compressive strength, small shrinkage and good insulation properties. Since the waste residue is used as the main aggregate based on the ceramsite concrete, the weight proportion of the waste residue is 72 percent at least, the stacking density of the waste residue is 1100kg / m3, and the ceramsite concrete insulating brick is 30 percent lighter than other concrete porous bricks generally produced with limestone powder and other materials, the ceramsite concrete insulating brick of the invention has the advantages of low volume weight, small shrinkage, high compressive strength and good insulation properties.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a ceramsite concrete insulation brick and a production method thereof. Background technique [0002] Chinese invention application 200810062179.8 discloses a formula of ceramsite aerated concrete block and its manufacturing method. The weight ratio of the components of the formula is: cement 12-26, fly ash 26-46, ceramsite 16-28 , slag 2-6, coal slag 2-6, water 16-26, additive 2; The percentage by weight of each concrete substance in the additive is: foaming agent is aluminum powder 10-18%, water reducer is polycarboxylate 20 -45%, the activator is 1122 fly ash activator 15-35%, the coagulation accelerator is calcium chloride and sodium sulfate compound 20-50% each accounting for 50%; manufacture ceramsite aerated concrete blocks The specific steps are as follows: Weigh the raw materials → put the weighed raw materials into the mixer → pre-mix and mix → add additives and fully ...

AI Technical Summary

Problems solved by technology

However, the formula of this kind of ceramsite aerated concrete block makes the ceramsite aerated concrete block have larger bulk density, higher shrinkage rate and lower compressive strength.