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風機聯軸器的選擇

系統完善 高效可靠

風機聯軸器的選擇主要考慮所需傳遞軸轉速的高低、載荷的大小、被聯接兩部件的安裝精度等、回轉的平穩性、價格等,參考各類聯軸器的特性,選擇一種合用的聯軸器類型。
改善軸封結構密封方式密封方式根據密封件與被密封件的相對運動關系分為靜密封和動密封兩種形式。風機作為旋轉機械,其軸承箱的密封屬于動密封。目前動密封方式主要有以下兩種:1)接觸型密封。其特點是在強制壓力下在密封面上貼壓接觸型密封件,如毛氈密封、擠壓型密封、油封密封和漲圈密封等2)非接觸型密封。其特點是借固定間隙(沒有摩擦接觸)起作用的間隙密封件來達到密封的作山東電力技術用,如浮動環密封、迷宮密封、離心密封、螺旋密封和氣動密封等。
脂潤滑改為油潤滑的經濟效益對比如表1(以一臺5 36№18D排粉風機為例,軸承及其潤滑油脂均為每年更換一次):潤滑方式脂潤滑油潤滑潤滑介質名稱XO倍力潤滑脂N46機械油價格軸承型號7 330 A(進口軸承) 46 232(國產軸承)價格型號NU334(進口軸承)236(國產軸承)價格從以上數據不難統計出,油潤滑改為脂潤滑時每年將浪費資金52431元,且軸承缺陷不能及時發現,因此用改變軸承潤滑方式的辦法來解決軸承箱漏油是不經濟,不實用的。

時間:2019-12-09

地址:武城縣魯權屯工業園
電話:0534-6590266

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