Design of a shell and tube heat exchanger

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Designing a shell and tube heat exchanger for a 100kW rice husk gasifier requires cooling syngas from 300°C to 60°C, utilizing syngas on the tube side and cooling water on the shell side. The discussion revolves around determining the number of heat exchangers needed, with questions about whether one, two, or three units would suffice. Participants are encouraged to share their experiences and methodologies for setting the temperature range for each exchanger. The design must consider efficiency and thermal performance to achieve the desired cooling. Effective design will ensure optimal heat transfer and system reliability.
Kyaw Zaw
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shell and tube heat exchanger for gasifier cooling system
I need some help with designing a shell and tube heat exchanger for a 100kW rice husk gasifier. The goal is to cool the syngas from 300°C to 60°C, with the syngas on the tube side and cooling water on the shell side. How many shell and tube heat exchangers would be required for this task? Would one be enough, or would I need two or three? Additionally, how should I set the temperature range for each exchanger?
 
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