本文關鍵詞：富氧燃煤鍋爐煙氣壓縮系統(tǒng)動態(tài)特性分析　出處：《系統(tǒng)仿真學報》2017年10期 　論文類型：期刊論文

  更多相關文章： 富氧燃煤鍋爐 仿真模型 煙氣壓縮系統(tǒng) 動態(tài)特性

【摘要】：以概念設計的300 MW富氧燃煤鍋爐煙氣壓縮系統(tǒng)為研究對象,采用集中參數(shù)法建立了煙氣壓縮機和煙氣冷卻器動態(tài)數(shù)學模型,并建立了相應仿真模型。在B-MCR工況下,進行了給煤機轉(zhuǎn)速和煙氣壓縮機轉(zhuǎn)速等擾動試驗。結(jié)果表明:當給煤機轉(zhuǎn)速擾動或煙氣壓縮機轉(zhuǎn)速擾動時,煙氣壓縮系統(tǒng)各運行參數(shù)響應較為靈敏、變化幅度較大;而一次再循環(huán)風機擋板開度擾動和煙氣冷卻器冷卻水閥門開度擾動,對系統(tǒng)各運行參數(shù)影響小,響應時間長。
[Abstract]:The dynamic mathematical model of flue gas compressor and flue gas cooler is established by means of lumped parameter method, taking the 300MW oxygen-enriched coal-fired boiler flue gas compression system as the research object. The corresponding simulation model is established. Under B-MCR condition, the disturbance tests such as the speed of coal feeder and the speed of flue gas compressor are carried out. The results show that: when the speed of coal feeder or gas compressor is disturbed. The operating parameters of flue gas compression system are sensitive to each other and vary greatly. However, the opening disturbance of the baffle of the primary recirculation fan and the opening disturbance of the cooling water valve of the flue gas cooler have little influence on the operation parameters of the system, and the response time is long.
【作者單位】： 華北電力大學能源動力與機械工程學院;
【分類號】：TM621.2;TP391.9
【正文快照】： 引言1近年在火力發(fā)電領域,富氧煤粉燃燒技術被認為是減少電廠CO2排放的最好辦法之一[1]。在富氧煤粉燃燒機組中,煙氣壓縮系統(tǒng)是實現(xiàn)CO2捕集和回收的關鍵系統(tǒng),通過多級壓縮多級冷卻,脫去煙氣中的大部分水分并且提高煙氣的壓力,為煙氣的進一步純化和回收創(chuàng)造條件。由于擁有獨特，

本文編號：1380817