Polttouuni
Polttouuni is a Finnish term that can refer to several types of kilns or furnaces used for high-temperature processes. The most common usage refers to a wood-fired kiln, typically used for firing ceramics or bricks. These kilns are constructed from refractory materials like bricks and clay, and the heat is generated by burning wood in a firebox. The design of a polttouuni can vary significantly depending on its intended use, with different shapes and internal structures optimized for specific firing temperatures and durations.
Another application of the term polttouuni is in the context of waste incineration. In this sense, it
Historically, polttouuni also encompassed simple hearths or ovens used for cooking or heating in older dwellings.