Feedwater heater
A feedwater heater is described that is comprised of a plurality of heating tubes arranged in U form. The heater also for a feedwater inlet chamber having a feedwater inlet for introducing feedwater thereinto and a tube plate assembling the ends of the heating tubes and also having formed therein a feedwater reservoir, a feedwater outlet chamber having a feedwater outlet for discharging the heated feedwater and a tube plate assembling the other ends of the heating tubes. The heater has a feedwater reservoir, a first cylindrical body or shell having disposed therein a tube nest consisting of the U-formed heating tube portions positioned on one side as well as support plates holding said heating tubes in position, the cylindrical body having its one end communicated with said feedwater outlet chamber and also provided with a hot steam inlet for introducing hot steam that serves as the feedwater heating source, a second cylndrical body or shell having disposed therein a tube nest consisting of the U-formed heating tube portions positioned on the other side as well as support plates holding the heating tubes in position.
- Assignee:
- Hitachi, Ltd.
- Patent Number(s):
- US 4136734
- OSTI ID:
- 6161029
- Country of Publication:
- United States
- Language:
- English
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