Manufacturing method of brick

The soil used for brick burning, commonly known as clay, has good plasticity. The excavated clay needs weathering and sun exposure for half a year, natural erosion, loose decomposition, and then artificial crushing and sieving, leaving only fine pure soil. Moistening pure soil with water to make thick mud plays a vital role in the quality of bricks. And the bricks should be dried in the shade to avoid cracking and deformation in the sun.

When the brick is completely dried, it is fired in the kiln. Generally, the brick uses coal as fuel, and the filter brick with higher density uses fuel such as wheat straw and pine branches to burn slowly. After dozens of days of firing, the green body was sintered. At this time, the flame is slowly extinguished, and the outside air enters the kiln to make bricks.

Types of bricks

Bricks include clay brick, shale brick, coal gangue brick, fly ash brick, lime sand brick, concrete brick, solid brick, porous brick, baking-free brick, autoclaved brick and so on. Clay brick, also known as sintered brick, is a small man-made building block. Clay brick is made of clay (including shale, coal gangue and other powders) as the main raw material, which is processed, molded, dried and baked. It is different from solid and hollow.

Shale brick refers to the brick made of shale and coal gangue by high temperature firing, including sintered shale porous brick, shale hollow brick, shale brick, high thermal insulation modulus brick, fair-faced wall brick and so on. It has the characteristics of high strength, heat preservation, heat insulation and sound insulation.