Research and Application of Integrated Key Technology Design for Boiler and Side Coal Warehouse

doi:10.11930/j.issn.1004-9649.201812090

Abstract

Abstract: Boiler room and coal warehouse are both the main buildings of the thermal power plant. This paper analyzes the technical scheme of coal silo layout in the 2×660 MW high-efficiency ultra-supercritical unit expansion Phase II Project of Shenhua Guohua Ningdong Power Plant. Through the procedures of optimization and verification, the technical innovation scheme of 2 boilers and coal silo layout is finally determined. In this scheme, coal silos are arranged between two furnaces, that is, two furnaces share one coal silo. Coal and pulverizing systems are arranged symmetrically. This innovated design has the advantages of compact equipment layout, short process pipeline, low construction volume, short construction period, low project cost and minimum effort in maintenance. The two 660 MW units of Ningdong Power Plant, which adopted the design of joint arrangement between coal warehouses, were placed into service on August 31, 2017 and December 26, 2017 respectively. So far they have been running well and smoothly for more than one year with all performance indices exceeding the design requirements. The application practice shows that the technology is apparently economical with promising application prospect.

Key words: coal-fired power plants, boiler room, bunker bay, combined side bunker, layout optimization design

CLC Number:

TK222

LI Changxu, SHI Zhijie, LIU Yu. Research and Application of Integrated Key Technology Design for Boiler and Side Coal Warehouse[J]. Electric Power, 2019, 52(12): 179-184.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201812090

https://www.electricpower.com.cn/EN/Y2019/V52/I12/179

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