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[March 2004]
Taylor Clay Products Operates New Kiln
Back in 1998, Taylor Clay Products Co (Salisbury, NC, USA) - a US facing brick manufacturer - bought a Ceric tunnel kiln in order to boost the production capacity of its existing plant. The company has now purchased a CERIC WISTRA (Koeln, Germany) intermittent kiln to work with both the kiln cars and the loading/dehacking machine of the existing tunnel kiln.
It was decided that the best solution was to design a kiln with an eight-car configuration and updraft operation, which had to be accommodated in the existing building. The target for this project was for CERIC WISTRA to implement an innovative concept of firing system based on its R&D programmes, Accuracy+ and Entropy+. With this combustion system, proportional pulse has been specifically developed for slot multi-deck firing for the heavy clay industry.
The resultant kiln fires on a 30-hour cycle (cool to cool) and will accommodate 71 tons of facing brick or 80 tons of pavers in its 96 cubic metre setting volume. The kiln fires to 1200C and gas consumption is 1.6kW/kg. The 30-hour cycle includes two hours soak and one hour reducing.
CERIC WISTRA confirmed that temperature uniformity in the kiln had exceeded the expectations of the customer specification. Records show a maximum deviation of 15C at any point of the firing curve, over all 33 thermocouples, during the heating the phase - and no more than 10C during soak. The high level of uniformity in the new kiln allowed a reduction in the firing cycle of 10% during commissioning.
www.ceric-wistra.com
ENDS