Views: 0 Author: Site Editor Publish Time: 2023-06-12 Origin: Site
In which industries is flue gas heat recovery technology used?
Flue gas heat recovery is a technology used for energy recovery that converts the thermal energy in the exhaust gases produced during combustion into useful energy, thereby increasing energy efficiency and saving energy costs. Flue gas heat recovery is commonly used in flue gas treatment systems in industrial processes, as well as in power plants and HVAC systems.
The basic principle of flue gas heat recovery is to transfer the thermal energy from the flue gas to the mass flowing through the heat exchanger, thereby increasing the temperature of the mass to a temperature range that can be utilised. Common work gases include water, steam, hot water, air, etc. There are two main types of flue gas heat recovery:
Shell and tube heat exchangers: Shell and tube heat exchangers are a common type of flue gas heat recovery equipment, consisting of a tube bundle and a shell. The flue gas passes through the tube bundle, the work mass flows through the shell and heat is exchanged between the flue gas and the work mass through the metal wall.
Flue gas waste heat boiler: A flue gas waste heat boiler is a device that converts the waste heat in the flue gas into steam or hot water by means of steam or hot water into useful energy. Flue gas waste heat boilers are commonly used in power plants and in flue gas treatment systems in industrial processes.
The advantages of flue gas heat recovery include
Improving energy efficiency: converting the thermal energy in the exhaust gas into useful energy, improving energy efficiency and reducing energy consumption and costs.
Reducing environmental pollution: By recovering the thermal energy from the exhaust gases, exhaust emissions from the combustion process are reduced and environmental pollution is reduced.
Increasing production capacity: By recovering the thermal energy in the exhaust gas, the production capacity of the process can be increased.
Flue gas heat recovery technology is used in a wide range of applications, but suitable flue gas heat recovery equipment and work gases need to be selected according to the specific process and energy requirements. Flue gas heat recovery technology is used in a wide range of applications in many industries. The following are some common application industries:
Power generation industry: Flue gas heat recovery is widely used in the power generation industry to improve power generation efficiency and reduce energy consumption and environmental pollution by recovering heat energy from the flue gas of fuels such as coal, gas and oil.
Iron and steel industry: The blast furnace and steel making process in the iron and steel industry produces a large amount of flue gas. Flue gas heat recovery can be used to recover the heat energy from the exhaust gas to heat other substances in the process and improve the efficiency of energy use.
Chemical industry: Many production processes in the chemical industry require high temperature or high pressure steam. Flue gas heat recovery can convert the heat energy from the exhaust gases into steam for use in heating and driving equipment in the production process.
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