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The high temperature model cools bulk solids with temperatures up to 1,000º C. For these very high temperature applications, the device useshorizontal water-cooled tubes as the heat exchange surface to minimise thermal stresses on the tubes and wall and accommodate thermal expansion. High temperature solids flows slowly via gravity over the cooling tubes while being indirectly cooled. The benefit of a tube design compared to a plate design is that the geometry of the tube is perfectlyuniform with even temperature distribution throughout the tube wall to avoid hot spots and high local stresses. The cooler can be used in industries that process very high temperature bulk solids such as pyrometallurgical processes for metal recovery, reactor discharges in the petrochemical industry and boiler ash in fluid bed combustion chambresas well as in catalyst processes. The technology combines zero emissions and lower energy consumption. Benefits include a gentle, improved product flow to prevent product attrition, prevention of potential caking in storage and improved packaging.
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