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新建8套焦爐荒煤氣放散點火裝置中期篇

新建8套焦爐荒煤氣放散點火裝置中期篇

作者:嘉華熱工????來源:未知????發布時間:2021-10-22 15:12????瀏覽量:
新建8套焦爐荒煤氣放散點火裝置中期篇
 
     今天我們接著新建8套焦爐荒煤氣放散點火裝置開篇期往下將,上一期我們主要講了現場參數,這期我們要講的是方案及配置問題,之前我們講了很多關于荒煤氣放散點火裝置的知識,大多數是改造項目比較多,因為每一個工地現場情況都不一樣,技術文件和現場情況肯定是存在很大差異的,新建焦爐放散點火裝置相當于從頭開始,可以更清晰的理解整套焦爐煤氣放散點火裝置哦。
    
     焦爐荒煤氣放散點火裝置方案及配置
根據要求,該方案由點火系統(含高能激發器、半導體高溫高壓點火桿、點火專用電纜及專用鋼絞線組成)、執行系統(電動執行機構)、控制系統(西門子S7-200smartPLC)組成應有DCS通訊口,接入DCS系統。
     焦爐荒煤氣放散點火裝置控制原理
荒煤氣自動放散的原理是自動控制柜根據集氣管的壓力信號,通過激發點火系統、執行系統一系列的動作,再點燃放散荒煤氣的全過程。其過程為集氣管壓力升高——預警——壓力持續升高——報警——激發器(點火系統)工作——打開氨水閥(分級)——點燃放散荒煤氣——打開蒸汽噴射器電動球閥——關閉點火系統--(荒煤氣壓力下降到下限值)關閉氨水閥——關閉蒸汽噴射器電動球閥,一次放散過程完成。

     焦爐荒煤氣放散點火裝置基本參數
被放散介質:焦爐荒煤氣
控制柜數量: 4臺

     焦爐荒煤氣放散點火裝置點火方式:多重防護直接點火
點火器配置:雙配置
引風助燃介質:蒸汽
引風助燃介質壓力:0.3~0.8 MPa
控制閥門種類:不銹鋼電動球閥
控制系統PLC:西門子S7-200 smart
    今天我們到此結束,主要還是圍繞著現場的工況分析,讓我們更加的了解煤氣放散點火裝置的配置及參數和性能,我們一起期待吧。

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