Ancient Kiln Techniques
Traditional Chinese ceramics relied on kiln technologies that developed over millennia. From dragon kilns climbing hillsides to simple mantou domes, each design solved specific firing challenges. Understanding these technologies illuminates the constraints and possibilities facing historical potters.
Wood-Firing Techniques
Wood-firing uses timber as fuel, creating distinctive flame patterns and ash effects. The interaction of flame, ash, and clay produces surfaces impossible to replicate with modern gas or electric kilns. Temperature control depends on stoking patterns and damper adjustment.
Long firing cycles—days or weeks—allow gradual temperature changes that prevent cracking. The process requires constant attention, with stokers feeding wood around the clock.
Dragon Kilns
Dragon kilns are long, tunnel-like structures built on hillsides. The slope creates natural draft, while the length allows temperature variation from front to back. Different ceramic types could be fired simultaneously in different zones.
These kilns dominated southern Chinese ceramic production for centuries. Their efficiency and capacity supported the massive output of Jingdezhen and other centers.
Mantou Kilns
Mantou kilns are dome-shaped structures resembling steamed buns—hence the name. These compact kilns were suited to smaller production volumes and experimental firings. Northern kilns often used this design.
Firing Supports
Spur marks from clay supports and saggars (clay containers) protected wares during firing. These support methods left characteristic marks that help identify production periods and techniques.