Views: 0 Author: Site Editor Publish Time: 2024-05-08 Origin: Site
Description from Client:
heat exchanger to recover the thermal energy from the exhaust gas of a trigenerator whose temperature varies between 110 and 350 °C and whose volumetric flow rate is 10 thousand m3/h. The system should serve the cogenerator of a local industry to transfer heat from the aforementioned exhaust fumes to the glycol water of a district heating network. So the exchanger should be gas/water.
For the recovery of heat energy from generator exhaust gases with temperatures between 110°C and 350°C and a volumetric flow rate of 10,000 m³/h, heat recovery can be achieved using appropriately designed heat exchangers.
The type of heat exchanger we offer our customers is the flue gas heat exchanger, also known as a waste heat boiler. This type of heat exchanger is capable of absorbing heat from a hot exhaust gas and transferring it to another fluid, such as water or air. In this way, the heat energy in the exhaust gas can be recovered and used to heat water or generate steam for heating or other industrial processes.
The following are some of the design considerations used in this situation:
Material selection: Due to the high temperature of the exhaust gases, the heat exchanger needs to be made of high temperature resistant materials such as stainless steel and alloy steel.
Heat transfer surface design: In order to improve the heat transfer efficiency, you can use efficient heat transfer surface design, such as spiral or corrugated tube bundle.
Heat transfer medium selection: exhaust gas heat can be used to heat water, steam or other fluids, according to the specific needs of the selection of suitable heat transfer medium.
Exhaust gas pre-treatment: Before entering the heat exchanger, it may be necessary to pre-treat the exhaust gas, such as dust removal, desulfurization, etc., in order to avoid damage or contamination of the heat exchanger.
System Integration: The heat exchanger usually needs to be integrated with the entire energy recovery system, including piping, control system, etc. The heat exchanger can be designed with a variety of factors in mind.
