On the thermal calculation procedures for heat exchangers

2019-12-24View Original

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Cold side process gas inlet temperature: 160°C, outlet temperature: 350°C℃； The superheated steam on the hot side has a temperature of 520°C and a pressure of 8.5 MPa. Two series-connected surface coolers are considered for the heat exchange process arrangement. One heat exchanger section: Superheated steam is cooled and condensed from 520°C to saturated water at 295°C (8 MPa) ； Two-stage heat exchanger: The steam-water mixture is cooled to saturated water at 200°C (1.55 MPa). What are the feasibility, advantages, and disadvantages of this plan? Of course, it is also possible to use a heating stage in which the superheated steam is condensed to 295°C, but energy utilization is somewhat inefficient.

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On the thermal calculation procedures for heat exchangers

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