Reboiler and heat exchanger
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1. Why is the reboiler used to control the tower temperature through the outlet condensate, rather than through the steam flow rate entering it? Why is the temperature of a heat exchanger controlled through the circulating water outlet rather than the inlet? Please ask an expert to explain. Thank you
1. The reboiler can control the tower temperature through the steam flow rate entering it; this depends on the specific design； 2. If the heat exchanger is temperature-controlled via the circulating water inlet, the circulating water may not fill the heat exchanger and the pipelines downstream, making it difficult to control the heat transfer.