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上海(hai)祝(zhu)茂閥(fa)門有限(xian)公司(si)直動電磁閥(fa)組成(cheng)的(de),電磁閥的(de)性能直接影響組合閥的(de)性能,從而影響(xiang)控制棒(bang)水壓驅動技術的(de)運行性能.本文就控制棒水壓驅動系統運行過程中所出現的工況,對其直動電磁閥閥頭進行了熱(re)態(tai)實驗模擬(ni)研究,并運用FLUENT軟件進行(xing)了理論分析(xi).分(fen)析結果表明:隨著線圈電流增大(da)線圈溫度將會增大(da),線(xian)圈內壁溫度(du)高于(yu)外壁溫度(du),線圈中間(jian)溫度(du)高于邊緣溫度(du).提出了電(dian)磁閥高溫條件正常運行的檢測(ce)方法(fa),并通過閥(fa)頭熱態實驗模擬研究可優化直(zhi)動電(dian)磁閥(fa)的電(dian)源(yuan)參數.
水用、蒸(zheng)汽(qi)、油品電(dian)磁(ci)(ci)閥原理:常(chang)閉(bi)型(xing)(xing)直動式電(dian)磁(ci)(ci)閥通(tong)電(dian)時,電(dian)磁(ci)(ci)線圈產(chan)生電(dian)磁(ci)(ci)吸(xi)力把閥芯提起,使關閉(bi)件離(li)遠開(kai)閥座(zuo)密封副打開(kai);斷(duan)電(dian)時,電(dian)磁(ci)(ci)力消失,靠彈簧力把關閉(bi)元件壓在閥座(zuo)上(shang)閥門(men)關閉(bi)。(常(chang)開(kai)型(xing)(xing)與此相反)。
水用、蒸汽、油品電(dian)(dian)磁閥(fa)常閉型(xing)(xing)兩位(wei)(wei)三通電(dian)(dian)磁閥(fa)動(dong)(dong)作原理(li):給線(xian)(xian)圈(quan)通電(dian)(dian),氣(qi)路接(jie)(jie)通,線(xian)(xian)圈(quan)一(yi)旦(dan)斷電(dian)(dian),氣(qi)路就(jiu)會斷開(kai),這(zhe)相當于“點動(dong)(dong)”。常開(kai)型(xing)(xing)兩位(wei)(wei)三通單電(dian)(dian)控電(dian)(dian)磁閥(fa)動(dong)(dong)作原理(li):給線(xian)(xian)圈(quan)通電(dian)(dian),氣(qi)路斷開(kai),線(xian)(xian)圈(quan)一(yi)旦(dan)斷電(dian)(dian),氣(qi)路就(jiu)會接(jie)(jie)通,這(zhe)也是“點動(dong)(dong)”。