2017•IOP Conference Series Earth and Environmental ScienceOpen access

Analyzing the temperature control of steam purging of 660mw ultra-supercritical once-through boiler with pressure-reducing method

Ying Wu, Zhong Yong-lu, LIU Fa-sheng, Wen Chen, Liang-ming Gui, Yongjun Xia, Zhong-hai Wan, Tao Yan

Abstract

This paper generally introduced the process of steam purging of the ultra-supercritical once-through boiler of Jiangxi Xinchang 2 × 660MW Power Plant with the pressure-reducing method. In this paper, the key-points of steam temperature control was importantly analyzed and summarized. The success experience can provide the reference for preventing steam overtemp of the similar ultra-supercritical once-through boilers with pressure-reducing method.

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Key concepts: Supercritical fluid, Boiler (water heating), Steam pressure, Process engineering, Feedwater heater, Environmental science, Waste management, Petroleum engineering