... Fuel: Light oil, heavy oil, generating furnace gas, blast furnace gas, coke oven gas, natural gas and mixed fuel.Horizontal Continuous Annealing FurnaceThe technology ... and jointing pieces. Trolley-type annealing furnace can use gas or liquid as its fuel, also it can use electricity ... adopt resistance wires and resistance belts for heating or nature gas, diesel oil, etc. fuel, the furnace shells are ...