1 – Preparation and mixing of the raw material
Quicklime (Calcium oxide (CaO)) and natural sand with high content of quartz from local quarries will be stored in silos in the factory.
These raw materials will be dosed according to the weight, with a mixing ratio quicklime / sand = 1:12), mixed vigorously.
A mixing station automatically controlled by computer which controls the dosing of the raw materials; quicklime, sand and water according to an intended recipe.
The mixing begins first with the sand from different particle size, the quicklime and the water will be added and intensively mixed with the sand, and then by means of a conveyor this humid mixture will be supplied to the reactors.
The main stations of the procedure for the production of sand-lime bricks are the following: