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˜q”回<a href="mifeng-jian.htm" target="_blank"> 首页</a></span></td> </tr> </table></TD> </TR> <TR> <TD><IMG src="mifeng/left02.jpg" width=256 height=5></TD> </TR> </TBODY> </TABLE></td> <td width="637" valign="top"> <TABLE width=635 height="1219"> <TBODY> <TR> <TD width="627" height="24" colspan="2" align="left" background="mifeng/r01.gif"><font color="#000000"> <b>当前位置åQ?/b></font><a href="mifeng-jian.htm">密封技术资æ–?/a> </TD> </TR> <TR align="center"> <TD height=70 colspan="2"><strong><font size="5" color="#000000">机械密封的维修误åŒ?/font></strong> <hr width="530" size="0" /> </TD> </TR> <TR align="center"> <TD height=22 colspan="2"> <a >http://www.chinaseal.cn/ </a>(2004-9-13 12:24:46)<a href="http://www.pussyx888.com/" target="_blank"><font color="#990000"> 中å¯d密封技æœ?/font></a></TD> </TR> <TR> <TD height=1 colspan="2"> </TD> </TR> <TR valign="top"> <TD height=425 align="left" valign="top" style="PADDING-BOTTOM: 0px; LINE-HEIGHT: 19px; PADDING-LEFT: 15px; PADDING-RIGHT: 15px; PADDING-TOP: 0px"> 机械密封工作应注意问题: <p> 1、安è£?a href="http://www.pussyx888.com" target="_blank">机械密封</a>时注意事™å?/p> <p> a.要十分注意避免安装中所产生的安装偏å·?/p> <p> (1)上紧压盖应在联èáu器找正后˜q›è¡ŒåQŒèžºæ “应均匀上支åQŒé˜²æ­¢åŽ‹ç›–端面偏斜,用塞ž®ºæ£€æŸ¥å„点,其误差不大于0.05毫米ã€?/p> <p> (2)‹‚€æŸ¥åŽ‹ç›–与轴或轴套外径的配合间éš?卛_Œå¿ƒåº¦)åQŒå››å‘¨è¦å‡åŒ€åQŒç”¨å¡žå°º‹‚€æŸ¥å„点允差不大于0.01毫米ã€?/p> <p> b.弹簧压羃量要按规定进行,不允许有˜q‡å¤§æˆ–过ž®çŽ°è±¡ï¼Œè¦æ±‚误差2.00毫米。过大会增加端面比压åQŒå¦é€Ÿç«¯é¢ç£¨æŸã€‚过ž®ä¼šé€ æˆæ¯”压不èƒö而不能è“v到密ž®ä½œç”¨ã€?/p> <p> c.动环安装后然保证能在轴上灉|´»¿UÕdŠ¨åQŒå°†åŠ¨çŽ¯åŽ‹å‘弹簧后应能自动弹回来ã€?/p> <p> 2、拆卸机æ¢?a href="http://www.pussyx888.com" target="_blank">密封</a>时注意事™å?/p> <p> a.在拆卸机械密ž®æ—¶è¦ä»”¾l†ï¼Œä¸¥ç¦åŠ¨ç”¨æ‰‹é”¤å’Œæ‰é“ÔŒ¼Œä»¥å…æŸåå¯†å°å…ƒäšg。可做一寚w’¢ä¸å‹¾å­ï¼Œåœ¨å¯¹è‡ªè´Ÿç›ˆäºæ–¹å‘伸入传动座缺口处åQŒå°†å¯†å°è£…置拉出。如果结垢拆åæ€¸ä¸‹æ—¶åQŒåº”清洗òq²å‡€åŽå†˜q›è¡Œæ‹†å¸ã€?/p> <p> b.如果在æ܇两端都用机械密封æ—Óž¼Œåœ¨è£…配,拆卸˜q‡ç¨‹ä¸­äº’相照™å¾ï¼Œé˜²æ­¢™å¾æ­¤å¤±å½¼ã€?/p> <p> c.对运行过的机械密ž®ï¼Œå‡¡æœ‰åŽ‹ç›–村֊¨ä½¿å¯†ž®å‘生移动的情况åQŒåˆ™åŠ¨é™çŽ¯é›¶ä»¶å¿…™åÀL›´æ¢ï¼Œä¸åº”重新上紧¾l§ç®‹ä½¿ç”¨ã€?/p> <p> 机械密封正常˜qè¡Œå’Œç»´æŠ¤é—®é¢˜ï¼š</p> <p> 1. 机械密封启动前的准备工作及注意事™å?/p> <p> a.全面‹‚€æŸ¥æœºæ¢°å¯†ž®ï¼Œä»¥åŠé™„属装置和管¾U¿å®‰è£…是否齐全,是否½W¦åˆæŠ€æœ¯è¦æ±‚ã€?/p> <p> b.机械密封启动前进行静压试验,‹‚€æŸ¥æœºæ¢°å¯†ž®æ˜¯å¦æœ‰æ³„漏现象。若泄漏较多åQŒåº”查清原因设法消除。如仍无效,则应拆卸‹‚€æŸ¥åƈ重新安装。一般静压试验压力用2~3公斤/òqÏx–¹åŽ˜ç±³ã€?/p> <p> c.按æ܇旋向盘èžRåQŒæ£€æŸ¥æ˜¯å¦è½»å¿«å‡åŒ€ã€‚如盘èžR吃力或不动时åQŒåˆ™åº”检查装配尺寸是否错误,安装是否合理ã€?/p> <p> 2.<a href="http://www.pussyx888.com" target="_blank">机械密封</a>安装与停˜q?/p> <p> a.启动前应保持密封腔内充满液体。对于输送凝固的介质æ—Óž¼Œåº”用蒸气ž®†å¯†ž®è…”加热使介质熔化。启动前必须盘èžRåQŒä»¥é˜²æ­¢½Hç„¶å¯åŠ¨è€Œé€ æˆè½¯çŽ¯¼„Žè£‚ã€?/p> <p> b.对于利用泵外ž®æÑa¾pȝ»Ÿçš„机械密ž®ï¼Œåº”先启动ž®æÑa¾pȝ»Ÿã€‚停车后最后停止封油系¾lŸã€?/p> <p> c.热æÑa泵停˜qåŽä¸èƒ½é©¬ä¸Šåœæ­¢ž®æÑa腔及端面密封的冷却水åQŒåº”待端面密ž®å¤„æ²ÒŽ¸©é™åˆ°80度以下时åQŒæ‰å¯ä»¥åœæ­¢å†·å´æ°ß_¼Œä»¥å…æŸåå¯†å°é›¶äšgã€?/p> <p> 3.机械密封˜qè{</p> <p> a.泵启动后若有è½Õd¾®æ³„漏现象åQŒåº”观察一ŒD‰|—¶é—´ã€‚如˜qžç®‹˜qè¡Œ4ž®æ—¶åQŒæ³„漏量仍不减小åQŒåˆ™åº”停泉|£€æŸ¥ã€?/p> <p> b.æ³ëŠš„操作压力应åã^½E»I¼ŒåŽ‹åŠ›æ³¢åŠ¨ä¸å¤§äº?公斤/òqÏx–¹åŽ˜ç±³ã€?/p> <p> c.泵在˜qè{中,应避免发生抽½IºçŽ°è±¡ï¼Œä»¥å…é€ æˆå¯†å°é¢å¹²æ‘©æ“¦åŠå¯†ž®ç ´åã€?/p> <p> d.密封情况要经常检查。运转中åQŒå½“其泄漏超˜q‡æ ‡å‡†æ—¶åQŒé‡è´¨æÑa不大äº?æ»?分,轻质油不大于10/分,å¦?-3日内仍无好è{­‘‹åŠ¿åQŒåˆ™åº”停泉| “查密ž®è£…¾|®ã€?br> </p> <br> </TD> </TR> <TR> <TD height=49 colspan="2"> <table width="620" height="60" border="0" align="center" cellPadding="0" cellSpacing="0" bgColor="#eeeeee"> <tr> <td height="25" align="left" bgcolor="#CCCCCC" ><font color="#000000"><b>:::: ç›?å…?çŸ?è¯?:::</b></font> </td> </tr> <tr> <td align="left" >本信息未¾lè¯å®žï¼Œä»…供您参考ã€? 如需转蝲,è¯äh³¨æ˜Žæ¥æº?<a href="http://www.pussyx888.com" target="_blank">http://www.pussyx888.com</a> <a href="http://www.pussyx888.com" target="_blank">中å¯d密封¾|?/a> ã€?a class="linkfont" href="javascript:window.print()">打印</a>】ã€?a onClick="closes.Click();" style="text-decoration: none; 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