| 吕凯,王妍,王春燕,刘向阳,马汀山,何茂刚.基于“汽电双驱技术”的大型燃煤发电机组优化方法[J].,2021,20(4):372-379 |
| 基于“汽电双驱技术”的大型燃煤发电机组优化方法 |
| Optimization method for large-scale coal-fired power plant based on steam-electric dualdrive technology |
| 投稿时间：2019-10-17 修订日期：2019-12-02 |
| DOI：10.13738.j.issn.1671-8097.019266 |
| 中文关键词: 汽电双驱 供电煤耗 大型燃煤发电机组 经济性 |
| 英文关键词: |
| 基金项目: |
|
| 摘要点击次数: 447 |
| 全文下载次数: 57 |
| 中文摘要: |
| 以1000 MW级超临界燃煤发电机组为研究对象,基于“汽电双驱”的思路提出了5种大型燃煤发电机组的优化设计方案,旨在解决燃煤发电机组中电动机驱动引风机耗能过大的问题。采用汽电双驱优化方法后,引风机动力源范围变宽,对复杂多变的电力形势具有更强的适应能力,引风机可靠性增强。进而计算了小汽轮机输出功率和进汽流量、厂用电率、供电煤耗和投资回收周期等参数,对比分析了5种优化方案的对机组运行性能的影响。结果显示：中高负荷段选用纯凝式汽轮机的方案产生的供电煤耗增加值低于其余4个方案,但该方案系统较为复杂,投资相对较高。 |
| 英文摘要: |
| Takingthe1000 MW supercriticalcoal-firedpowerplantastheresearchobject,five
optimizationschemesforlargecoal-firedpowerplantbasedontheideaof“steam-electricdual-drive”
wasproposed,aimingtosolvetheproblemofexcessiveenergyconsumptioncausedbydrivinginduced
draftfansbymotor.Withtheadoptionofthesteam-electricdualdriveoptimizationmethod,therange
ofthepowersourcesfortheinduceddraftfanswaswidened,providingstrongeradaptabilitytothe
complexandchangeablepowersituationandenhancingthereliabilityoftheinduceddraftfans.
Furthermore,theoutputpowerandsteamflowrateattheinletofsmallsteamturbine,auxiliary
powerratio,coalconsumptionrate,investmentrecoveryperiodandotherparameterswerecalculated,
andtheimpactoffiveoptimizationschemesontheperformanceoftheplantwascomparedand
analyzed.Theresultsshowthattheincreaseincoalconsumptionrateproducedbytheschemeofusing
condensingsteamturbinesatthemediumandhighloadislowerthantheotherfourschemes,butthis
schemeismorecomplicatedanditsinvestmentisrelativelyhigh. |
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
|
|
|
