What is a lime kiln?

A lime kiln is a kiln used for the calcination of limestone (calcium carbonate) to produce quicklime (calcium oxide). The process involves heating the limestone to a high temperature (around 900°C) in a kiln, which causes the limestone to break down and release carbon dioxide gas, leaving behind quicklime.

Lime kilns can be classified into two main types: intermittent kilns, which are loaded and fired periodically, and continuous kilns, which operate continuously and use more sophisticated control systems. Traditional lime kilns, such as draw kilns or clamp kilns, are no longer commonly used due to their inefficiency and environmental impact.

Quicklime produced in lime kilns can be used for a variety of applications, including in the production of cement, steel, paper, sugar, and more. It is also used in agriculture to raise soil pH and improve plant growth.

Lime kilns have been used for centuries and continue to be an important part of many industries around the world. However, modern lime kilns are designed with efficiency and environmental sustainability in mind, using advanced technology to minimize energy consumption and emissions.