What is it about?
The fi ring process for clay-brick production in traditional kilns generates atmospheric pollution when industrial and domestic scrap is used as fuel. An alternative is presented here, using the solar energy for clay-brick firing. We are developing a system for clay-brick firing to reach temperatures between 900°C and 1050°C; these temperatures are suffi ciently high to fi re bricks or similar ceramic products.
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Why is it important?
The present paper describes the design and characterization of the components of a solar furnace for clay-brick firing with inner chamber dimensions of 0.48 × 0.61 × 0.64 m. To convey the sunlight to the firing chamber, a heliostat with nine 1 × 1 m mirrors is used to send the rays of the sun to an off -axis parabolic concentrator that focuses the light on the entrance of the firing chamber. The heliostat has a solar-tracking system which makes primary and secondary adjustments to assure that the refl ected solar radiation always arrives at the concentrator.
Perspectives
The firing chamber contains a prismatic cavity that absorbs the solar radiation to generate the heat which is needed for baking the bricks inside the fi ring chamber.
Dr. Alejandro Castañeda-Miranda
Creativity and Innovation Center 4.0 (CIC 4.0), Technological University of Queretaro (UTEQ)
Read the Original
This page is a summary of: Clay-Brick Firing in a High-Temperature Solar Furnace, Ingeniería Investigación y Tecnología, October 2011, Universidad Nacional Autonoma de Mexico,
DOI: 10.22201/fi.25940732e.2011.12n4.039.
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