Cause-effect relation of the spoilage upon brick firing in tunnel kilns

Cause-and-effect relationships have been investigated when bricks are fired in tunnel kilns, and the reasons for rejects caused by the high-speed mode of heat treatment of products in the kiln have been determined. With existing gas burner devices, the requirements for high-speed firing modes cannot be met. It is necessary to modernize the furnace: replacement of Vulcan-Gas gas burners with burners of modern design with automatic control of the furnace thermal regime and improvement of the thermal regime in the preparatory zone of the tunnel furnace. Il. 4, bibliography: 4 titles.