Patent ID: 9347710
Filing Date: 2016-05-24
CPC Classification: C22B,F27D

Claim Text:
1. Method for controlling the thermal balance of a suspension smelting comprising a reaction shaft, a lower furnace, and an uptake, wherein the reaction shaft having a shaft structure that is provided with a surrounding wall structure and a roof structure at the upper end of the surrounding wall structure and that limits a reaction chamber within the shaft structure, said reaction chamber having a lower end in communication with the lower furnace, and wherein the reaction shaft is provided with a concentrate burner for feeding pulverous solid matter and reaction gas into the reaction chamber, comprising: providing the shaft structure of the reaction shaft with at least one cooling means for feeding endothermic material into the reaction chamber of the reaction shaft, feeding endothermic material into the reaction chamber of the reaction shaft with at least one cooling means, and providing at least one cooling means at a level of at least 0.3 h measured from the lower end of the reaction chamber, where h is the height of the reaction chamber.