Terminal Temperature Difference Value Analysis of High Pressure Heater for 1 000 MW Ultra-supercritical Coal-fired Unit
doi: 10.16516/j.gedi.issn2095-8676.2016.S1.004
- Received Date: 2015-10-30
- Publish Date: 2020-07-17
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Key words:
- 1 000 MW /
- high pressure heater /
- terminal temperature difference
Abstract: In this article, based on the heat balance diagram of 1 000 MW ultra-supercritical coal-fired unit, through calculating &analyzing the influence of HP heater superheated steam cooling section outlet design temperature on HP heater heat transfer area and HP heater upper terminal difference; and influence of HP heater terminal difference(upper/lower) on heat transfer area, unit heat consumption value, has presented the HP heater upper terminal difference should not be set to -2℃ according to the specification, but determined by calculation on specific project conditions, and has provided reference for energy conservation of power units.
| Citation: | DENG Chenggang, SHI Jia. Terminal Temperature Difference Value Analysis of High Pressure Heater for 1 000 MW Ultra-supercritical Coal-fired Unit[J]. SOUTHERN ENERGY CONSTRUCTION, 2016, 3(S1): 14-17. doi: 10.16516/j.gedi.issn2095-8676.2016.S1.004
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