... Air Combustion (HTAC) is a new type combustion technology with enormous energy-conservation and environmental protection. The Thermal storage ... , cracking furnaces, roaster, melting furnace, soaking pit furnaces, oil gas boiler, etc in the steel, machinery, building materials, petrochemical, ... Working Temperature(°C) 1550 1350 1600 Honeycomb ceramic regenerator with good thermal storage media