Coal gangue bricks may be rarely seen in today's home improvement. This kind of stone brick has many holes, most of which have a right angle six-sided appearance. In addition, it is very similar to fly ash brick, so next, the editor will introduce it to everyone What is coal gangue brick and how is it different from fly ash brick? Let's understand it together.
What is the appearance of coal gangue brick
1. Coal gangue brick is made of clay, shale, coal gangue or pulverized coal, and then roasted. Its inner diameter of porosity is generally about 22 mm. Although the size is small, it can be more than 25% of the whole brick .
2. Coal gangue brick has a great advantage, which is to use its porous to replace building load-bearing, which can reduce the building by about 30%. Because coal gangue and clay are used as raw materials, it can save 20-30% clay and 10-30% fuel, and can also increase the wall construction efficiency by 40%.
3. The specifications of coal gangue bricks are generally 190mm * 190mm * 90mm and 240mm * 115mm * 90mm, which are currently the most used and most common.
What is the difference between gangue brick and fly ash brick
1. First, coal gangue bricks and fly ash bricks differ in color. Because the clay is red, it belongs to the red brick category; and the fly ash brick, but it is slightly dark. In addition, the surface between them is also different, the surface of coal gangue brick is brighter than fly ash brick.
2. In terms of technology, coal gangue bricks are mainly made of coal gangue. The process is to select materials, crush, and shape, then wait for drying, then roast, and finally shape. The process of fly ash bricks is consistent with coal gangue bricks, mainly because the materials used are different, and fly ash bricks use fly ash as the main raw material.
3. In terms of environmental protection, coal gangue bricks cannot contain coal gangue directly because of their own gangue materials, so they must be mixed with soil, shale or fly ash to improve the raw materials. Because coal gangue is an industrial waste produced during coal mining, coal gangue brick wall material is produced by processing, so it not only protects the ecological environment, but also saves land and energy.
Fly ash is used to save clay, save fuel and protect the environment, so it is also widely used. The reason why it is popularized is because it contains extremely fine hollow or solid glass beads, the surface density is small, the texture is lighter than coal gangue bricks, and it has good thermal insulation and sound absorption properties. Ash, but because the proportion is more than 40%, it also saves energy and protects land resources.
Article Summary: This article introduces the relevant knowledge about coal gangue bricks, and the difference between coal gangue bricks and fly ash bricks, for your reading and reference. If you still want to know more about building materials, you can continue to pay attention to this website for other information.
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