Jingdezhen Song Dynasty Dragon Kiln Re-firing
Nov 30 2011, Song Dynasty Dragon Kiln Re-refirng Experts Seminar was hold in Jingdezhen. Experts from Jingdezhen ceramic culture relic research and protection center, ceramic non-material culture relic successor representatives, ceramic historic culture exhibition area, Jingdezhen kiln institue, Jingdezhen ceramic archaeological institute attented the meeting.
The important schedule of re-firing was arranged in the seminar. Experts, professors, reserchers, discussed and offered suggestion in the conference in their own perspective on Song dynasty dragon kiln structure, firing method, and products protection and displaying.
Jingdezhen has thousand years ceramic making history, and traditional kiln construction technique and firing skill developes with times, experienced dragon kiln, dome kiln, gourd kiln, and final egg shaped kiln, achieved the title ¡°virtues of all kinds of kiln¡±. To display Jingdezhen thousand year ceramic making glorious history, effectively protect and use excellent ceramic culture relic, Jingdezhen ancient kiln area plans to re-fire all typical kiln in Jingdezhen history. From 2009 to 2011, they¡¯ve already re-fired Qing dynasty Zhen kiln, Ming dynasty gourd kiln, Yuan dynasty dome kiln. In 2012, ancient kiln displaying area will re-fire Song dynasty dragon kiln.
A semi-continous ceramic finishing kiln. It builts on a slope, lying like a dragon. Dragon kiln was invented in Chinese Warring States Era. As porcelain industry developes and kiln builder¡¯s improvement, in Song dynasty, builders improved length and kiln gradient. Song dynasty¡¯s dragon kiln length and slope were not only reasonable but also closed to perfection.
Dragon kiln consists of kiln head, kiln bed, and kiln tail. In manner of natural venting, its fuel are assorted wood, pine branch and other plants, and flame inside mostly flow against kiln bed. Dragon kiln is 10-20 degree tipsily build on mountain slope or mound forming a long tunnel shape. Kiln head angle is larger, around 20 degrees, middle part around 15 degrees, tail part around 11 degrees. There is a pre-heater in kiln head, and there is no chimney in the tail, because the kiln body itself is a chimney. Length is 20-80 meters, width is 1.5-2.5 meters, height is 1.6-2 meters. For area of section, kiln head is the smallest, and middle part is the largest. The fuel inlet is set on top of kiln. The biggest virtue of dragon is temperature going up fast and going down fast, suitable for fast firing, and also can maitain reducing flame for celadon ware. So, dragon kiln is called ¡°cradle of celadon ware¡±. Celadon and black glazed porcelain are mostly fired in dragon kiln.