Natural Gas Home Furnace Casing boiler The combustion fire row is upward, which is consistent with the plate-exchange boiler. The reason why it is called a casing is because the heating carrier is a pipe casing. Whether it is floor heating or the use of domestic water, the heating part is on the top of the furnace, which continuously heats the pipe and prolongs the life of the casing. will have a certain impact. Therefore, the casing boiler is the lowest-end product in terms of quality among the three boilers.Vacuum Carburizing Process of 20CrMnTi Steel Condensing boiler The fire head of the condensing boiler burns downward, and its characteristic is that the burning exhaust gas is reused. Originally, after natural gas is burned, the temperature of the exhaust gas is very high. If it is directly discharged from the flue, a large amount of heat will be lost in the atmosphere, which will not only cause harm to the atmosphere, but also waste energy. recovery, reducing direct energy losses.Vacuum carburizing and quenching process of 15CINi4MoA steel cross shaft
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