Analysis of Primary Air Fan Run-back in 1000MW Ultra Supercritical Coal Fired Generation Unit

被引：0

作者：

Yin, Libao ^{[1
]}

Xu, Qisheng ^{[1
]}

Wen, Zhiyong ^{[1
]}

Song, Jinghui ^{[1
]}

Xia, Ruiqing ^{[2
]}

Zhou, Liming ^{[2
]}

机构：

[1] Guangdong Power Grid Corp, Elect Power Res Inst, Guangzhou, Guangdong, Peoples R China

[2] North China Elect Power Univ, Sch energy & power Engn, Baoding, Herts, Peoples R China

来源：

2012 ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC) | 2012年

关键词：

primary air fan; run-back progress; 1000MW; ultra-supercritical unit;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this paper, it takes the 1000MW ultra supercritical coal-fired unit as the research object and describles the runback process of primary air fan. With the curve, some mainly processes including the amount of fuel, hot primary air pressure of the header, inlet air pressure of each mill, negative pressure of furnace, superheat degree of middle point and feed-water flow were analyzed. The coal-water ratio of primary air fan can provide reference for dealing with the analogic accident by the similar unit. At the same time, some valuable datas can be used during the coal pulverizing system of large electric generation unit.

引用

页数：4

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