MOLDED CERAMIC ARTICLES ANNEALING METHOD AND FURNACE Russian patent published in 2017 - IPC C04B33/32 F27B9/02 

FIELD: technological processes; furnaces and ovens.

SUBSTANCE: invention relates to shaped ceramic articles annealing method, primarily, bricks, in furnace due to movement of several molded articles located in trains passing parallel to each other along longitudinally extending furnace section (1) with annealing zone (7), in which molded items (25) heating is carried out. Located next to each other trains (2, 3) travel in opposite directions (A, B), and of furnace loading with molded items (25) subjected to move in first direction (A) takes place on furnace section (1) first side (10), wherein on one of first sides (10) and located opposite relative to annealing zone (7) of furnace section (1) second side (9) performing loading of subjected to movement in opposite, second direction (B) molded articles. Molded articles (25) in each case of reversing cancellation are moved through annealing zone (7) and accordingly removed from it on opposite relative to their loading furnace section end (9, 10). In radiation zones (11), adjacent to both sides along furnace section (1) to annealing zone (7), molded articles, moving on one train and located well before annealing zone (7), are heated by heat emitted by molded articles, already removed from annealing zone (7) on adjacent furnace train travelling in opposite direction. In circulation zones (12) located on both sides of annealing zone (7) providing air circulation across furnace section longitudinal direction, and ratio of mass flow across circulating gas to mass flow rate of gas to be directed in furnace sections lengthwise direction is more than 10. Invention also relates to furnace for implementation of described method.

EFFECT: increasing furnace arrangement reliability and more efficient energy consumption.

12 cl, 6 dwg