A carbon company in Jinan built two 80-can 2700-can calcination furnaces. In order to recover the waste heat in the high-temperature flue gas generated by the carbon calcination furnaces, four waste heat boiler systems were planned to be used as spares for each other. The overheating occurred at 2.45Mpa and 410°C The steam is sent to a steam turbine to generate electricity.
The temperature of the waste flue gas discharged from the flue of the calciner can reach 1200°C. In order to reduce the energy consumption of the process and effectively use this part of waste heat, this waste heat recovery system is built. The high-temperature flue gas enters the steam waste heat boiler, and the main spans of the four sets of boilers are arranged relatively independently.
carbon rotary kiln waste heat boiler
The steam output of the steam waste heat boiler is about 25t/h, and the superheat temperature is 410℃, which is used to provide steam to the steam turbine. The steam waste heat boiler is a single-pressure, modular, natural circulation tower-type waste heat boiler, equipped with an atmospheric thermal deaerator. Including the waste heat boiler body and supporting auxiliary equipment, at least including atmospheric deaerator, boiler feed water pump, phosphate dosing device, water spray desuperheater, soda sampling device, sewage expansion vessel, etc.
Zhengzhou Boiler Co., Ltd. (formerly: Zhengzhou Boiler Factory, abbreviated as: Zhengzhou Boiler). Started in 1945, it has a national A-level boiler manufacturing license and has made considerable achievements in the carbon industry. Some classic cases of waste heat boilers in the carbon industry:
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