Lime Burning Returns to Park after 100 Years (1)
As part of the Nave Archaeological Dig in August, Mark Thacker supervised some experimental lime burning near the lime kilns at Park near Port Ramsay.
Part One: Burning with Coal
The popular way of small-scale lime burning with coal involves building a kiln with breeze blocks. We used 50 standard blocks:
filled the cavity with layers of anthracite and broken limestone
sealed a paintpot chimney with local clay
and fired the kiln from the bottom
Meanwhile, since the firing would take at least 24 hours, we had a barbecue
When all the anthracite had burned and the kiln was cold, we took it apart. The pieces of limestone, now quick lime (shell lime) were recovered:
Adding water carefully, the pieces of shell lime heated up and began to disintegrate, finally resulting in powdered slaked lime.
The Product: Half a bag of slaked lime for lime washing the Museum Cottage
The successful team of limeburners
Our thanks to Valerie Gilmour for permission to burn on her land.