Cement factories mix aggregates, cement, and water to create concrete, which hardens through hydration. Different grades of aggregate are used for different types of concrete, and chloride may be added in colder climates. Cement trucks require maintenance and cleaning, and some factories produce precast concrete components such as septic tanks and garden ornaments.
The happenings and things that happen inside a cement factory are a complex ballet of mixing aggregates – sand and stone – and cement with water and chloride. This mixture is dosed into a precise mix and dumped into a large vehicle known as a concrete mixer. There are typically several grades and types of aggregate stored in the cement factory that are used to mix certain types of concrete. Occasionally, a concrete factory will produce so-called precast concrete components on site. These components are made up of concrete blocks, tiles and concrete statues.
Cement or concrete is nothing but aggregates and a product commonly known as Portland cement mixed with water. The cement takes its name from a similarly colored stone, Portland stone, found on the Isle of Portland in Dorset, England. As the materials are mixed, a process known as hydration causes the concrete to harden, thus binding the aggregate sand, stone and rocks into a very hard and durable substance. The size of the aggregate typically defines the strength of the concrete when it is cured. The workers inside the cement factory sort the materials into special storage bins so that the appropriate materials can be collected and mixed while creating a certain concrete mix.
Water is the typical liquid additive that causes the cement mixture to harden and harden. In some colder climates, chloride is also added in small amounts to aid in proper curing of the mixture in cold conditions. Running a cement factory requires many cement trucks to deliver cement to various job sites. A cement truck is a large truck equipped with a very large mixing drum into which the cement to be mixed is placed. The drum spins slowly, making the concrete rise through the air on long paddle-like assemblies mounted on the inside walls of the mixing drum.
Cement trucks require a lot of maintenance and cleaning. The workers inside the cement plant spend a lot of time completing maintenance on all the trucks, conveyor belts and other mechanical devices used inside a cement plant to keep the entire operation running smoothly. Some of the larger operations also produce so-called precast concrete elements which are for sale to customers. Septic tanks, drainage pipes, and even concrete blocks are made by pouring wet concrete into molds and then removing the product once the concrete has hardened. Other items, such as garden ornaments, bird baths, and even tombstones, are also made within some concrete factories.
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