發布時間:2026-04-14 20:58:55 人氣:244021 來源:
準格爾機械密封衝刷的目的是為了防止雜質堆積,防止氣囊形成,保持和改善潤滑等,當衝刷液溫度較低時,兼有冷卻作用。下麵向大家解說準格爾機械密封的衝刷技巧。
1、內衝刷
正衝刷:利用工作主機的被密封介質,由泵的出口端通過管路引入密封腔。主要用於清潔流體。當溫度高或有雜質時,可在準格爾機械密封管路上設置冷卻器、過濾器等。
反衝刷:liyonggongzuozhujidebeimifengjiezhi,youbengdechukouduanyinrumifengqiang,chongshuahoutongguoguanluliuhuibengjinkou。zhuyaoyongyuqingjieliuti。quanchongshuashiliyonggongzuozhujidebeimifengjiezhi,youbengdechukouduantongguoguanluyinrumifengqiang,chongshuahouzaijingguanluliuhuibengjinkou。gaifangfazailengquexiaoguoshangjiaohao。

2、外衝刷:引入外係統與被密封介質相容的清潔流體至密封腔進行衝刷。外衝刷液壓力應比被密封介質大0.05-0.1MPA,heyongyujiezhiweigaowenhuogutikelidechanghe。chongshuayedeliuliangyingbaozhengdaizoureliang,haixuzhizuchongshuadexuyao,buhuichanshengduimifengjiandechongshi。weici,xukongzhimifengqiangdeyalihechongshuadeliusu,yibanqingjiechongshuayedeliusuyingxiaoyu5M/S;含有顆粒的漿狀液體須小於3M/S,為達到上述的流速值,衝刷液與密封腔壓力的差值應≤0.5MPA,一般取0.05-0.1MPA,對雙端麵準格爾機械密封可取0.1--0.2MP。衝刷液進入和排出密封腔的孔口位置,應設置在準格爾機械密封duanmiansizhou,qieyingzaikaojindonghuance,weilefangzhishimohuanbeichongshihuoyinlengquebujunyinqiwenchabianxing,yijizazhiduijihejiejiaodeng,kecaiyongqiexiangyinruhuoduodianchongshua。biyaoshi,chongshuayekeyishireshuihuozhengqi。