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Quicklime Powder For AAC Block Manufacturing
Day 03/12/2024
Quicklime powder is a critical ingredient in the manufacturing of AAC (Autoclaved Aerated Concrete) block. AAC blocks are a popular building material known for their lightweight, thermal insulation properties, and high durability. Quicklime powder, also known as calcium oxide (CaO), plays a crucial role in the production process of AAC blocks by reacting with aluminum powder and water to release hydrogen gas, which expands the mixture and forms small air pockets within the concrete.
AAC Block Manufacturing Process
Manufacturing process of AAC Block
The manufacturing process of AAC blocks begins with the preparation of a slurry consisting of quicklime powder, aluminum powder, cement, gypsum, water, and additives. The quicklime powder reacts with the aluminum powder and water to produce hydrogen gas, which acts as a foaming agent, creating air bubbles in the mixture and leading to the formation of porous AAC blocks. The high reactivity of quicklime powder allows for the rapid and efficient production of AAC blocks, making it an indispensable component in the manufacturing process.
The ratio of Lime in the Mixture of making AAC blocks manufacture is:
Fly Ash/Sand : Lime : Cement : Gypsum = 69 : 20 : 8 : 3
Quicklime helps improve strength and durability of the blocks
One of the key advantages of using quicklime powder in AAC block manufacturing is its ability to improve the strength and durability of the blocks. Quicklime reacts with water to form calcium hydroxide, which then reacts with the aluminum powder to produce calcium aluminate hydrates, enhancing the overall strength of the AAC blocks. Additionally, the porous structure created by the reaction of quicklime powder helps to improve the thermal insulation properties of the blocks, making them an ideal choice for energy-efficient buildings.
AAC Block
Quicklime control the setting time of AAC Blocks
Furthermore, quicklime powder also plays a crucial role in controlling the setting time of AAC blocks. The high reactivity of quicklime ensures a fast and uniform setting of the blocks, reducing the overall production time and increasing efficiency in the manufacturing process. This not only results in cost savings but also allows for the timely delivery of AAC blocks to construction sites, making quicklime powder a valuable asset in the construction industry.
Final
In conclusion, quicklime powder is an essential ingredient in the manufacturing of AAC blocks due to its reactivity, strength-enhancing properties, and role in controlling the setting time of the blocks. The use of quicklime powder in AAC block manufacturing contributes to the production of high-quality, durable, and energy-efficient building materials that are in high demand in the construction industry. Therefore, understanding the significance of quicklime powder in AAC block manufacturing is essential for advancing research and innovation in sustainable construction practices.
SHC Vietnam Technology Mineral JSC offers a broad range of quicklime products. These provide high-performance, cost-effective, and also environmentally friendly attributes and benefits for many different industrial applications.
Contact us for competitive quotation:
VIET NAM TECHNOLOGY MINERALS JSC – SHC GROUP
Mr. Leon Vu – International Sales Manager
WhatsApp: +84 936 306 698
Email: export5@shcgroup.vn
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