The diagram illustrates the process of brick production for the building industry. Overall, the process consists of seven stages, beginning with the excavation of clay and concluding with the delivery of the finished bricks.
Initially, an excavator is used to dig up clay from the ground. This raw material is then crushed into smaller pieces using a metal grid and roller. Subsequently, sand and water are added to the clay in precise proportions, and the mixture is thoroughly combined until it reaches the desired consistency, neither too thick nor too liquid.
Following this, the mixture is shaped into bricks either by cutting it with a wire cutter or by molding it in a rectangular frame. The newly formed bricks are then transferred to a drying oven, where they remain for 24 to 48 hours to remove moisture.
Once dried, the bricks are moved to a kiln for firing, a crucial stage that involves two heating phases: the moderate phase at temperatures between 200°C and 980°C, and the high phase ranging from 870°C to 1300°C. This process ensures the bricks are hardened and durable.
After firing, the bricks undergo a cooling process in a chamber for 48 to 72 hours. Once cooled, the bricks are packaged, stacked neatly to facilitate transportation. Finally, the bricks are delivered to various construction sites by trucks.