Calciner is a word that describes a machine that calcinates or carbonizes materials. It is spelled /ˈkælsənər/ and pronounced KAL-suh-ner. The "c" in this word is pronounced as /k/ and the "i" is pronounced as /ɪ/. The following "n" is pronounced as /n/ while the final "er" is pronounced as /ər/. The word has its roots in the Latin word "calcinare" which means "to burn" or "to turn into lime."
A calciner refers to a specially designed furnace or enclosed chamber that is primarily used in industrial processes to create high temperatures in order to carry out thermal decomposition or calcination of various materials. The calcination process involves subjecting materials to extreme heat, usually exceeding their melting point or decomposition temperature, resulting in the conversion of compounds into different forms or the separation of elements.
The calciner typically consists of a cylindrical or rectangular vessel made of refractory materials capable of withstanding intense heat. It often incorporates a burner system or heating elements that provide the necessary heat source. The temperature within the calciner can vary, depending on the material being processed, and can range from a few hundred degrees Celsius to over a thousand degrees Celsius.
Calcination is commonly used to purify or refine raw materials, remove impurities, or transform minerals into more desirable forms. Various substances, such as limestone, gypsum, kaolin, alumina, and petroleum coke, among others, can be subjected to calcination using a calciner. The intense heat causes chemical reactions that lead to the removal of volatiles and the conversion of compounds into oxides, carbonates, or other forms.
Calcination is an essential process in industries like cement production, metallurgy, chemical manufacturing, and mineral processing. The calciner plays a crucial role in providing the necessary heat and controlled environment for achieving the desired chemical transformations. Its design and operation are essential for achieving efficient and effective calcination processes.
The word "calciner" comes from the Latin verb "calcino", which means "to burn lime". The Latin word "calx" means "limestone" or "calcium oxide", and it is derived from the Greek word "chalix", meaning "pebble" or "small stone". In the process of calcination, calciners are used to heat substances, such as limestone or other minerals, to high temperatures in order to remove impurities and convert them into a more useful form. Therefore, the term "calciner" refers to a device or a person involved in the process of calcination.