Waste heat utilisation at the tunnel kiln

The company Birk as general contractor takes over again the complete new installation of a hot water cooling system at an existing tunnel kiln plant of a stoneware tube plant at a long-standing customer in Saudi Arabia after nearly 30 years of original equipment.

The hot water cooling system forms the basis of the cooling zone at the tunnel kiln and ensures fast, efficient and gentle cooling of the stoneware pipes. This system therefore offers enormous advantages over air-cooled systems in terms of system size, reject rate and further use of waste heat. The installed system works completely self-sufficient and fully automatic, it is now equipped with the latest visualization technology. The hot water cooling system installed at the tunnel kiln thus forms the waste heat recovery system for the further use of the heat gained for the adjacent tunnel dryer plants - thus no further primary energy requirement is required for the entire drying plant.

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