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class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293635341797/9903144.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="v78i93z" class="content"><p><span>需求數量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產品關鍵詞：</span>鹽城葉輪泵密封經銷廠家</p><p><span>***更新：</span>2020-06-22 19:28:04</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="hgkgntf" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">漣水創(chuàng)密機械制造有限公司</a></p><p><span>聯系人：</span>袁經理</p><p><span>郵箱: </span>lscmjx@163.com</p><p><span>電話: </span>15250888877</p><p><span>傳真: </span>153_</p><p><span>網址: </span></p><p><span>手機: </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚民營經濟產業(yè)園</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="a8mi7uy" class="page-proshow02"><p class="title">詳細說明</p><div id="lkhoqqw" class="box"><p><p> 結合設計經驗以及對API 682標準的研究，對泵用機械密封的選型要點進行了分析，主要包括密封類型、密封形式、布置方式、沖洗方案等。進而對煉油裝置中的高溫熱油泵、高溫熱水泵以及強酸強堿泵機械密封及輔助系統(tǒng)的選型提出了合理化建議，對API 682中的PLAN53B和PLAN23進行了改進，鹽城葉輪泵密封經銷廠家，使之更好地為機械密封服務，有利于機械密封長期穩(wěn)定運行。 </p> <p> 由于機械密封具有密封性能好、工作可靠、泄漏量小、功率消耗少等特點，因而在國內外煉油化工生產的旋轉設備中得到了較大規(guī)模的應用，已經成為泵、壓縮機、反應釜、攪拌器等工藝設備能否正常運轉的關鍵部件。 </p> <p> 隨著環(huán)境保護和人類健康要求的提高，煉油裝置中對泵用機械密封的要求也在不斷提高。據統(tǒng)計，煉油裝置中機泵故障的40% 以上是由于機械密封發(fā)生泄漏而引起的。造成這一現象的原因，一是作為機泵中的動密封其本身所處的工作條件、起的作用所決定；二是許多國內設計單位以及工程公司認為機械密封及系統(tǒng)的選用是泵廠和密封廠的責任，鹽城葉輪泵密封經銷廠家，往往對密封的類型、布置方式，鹽城葉輪泵密封經銷廠家、沖洗方案了解不深，難以制定機械密封的選配方案，造成部分密封選型不當。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城葉輪泵密封經銷廠家" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293635341797/9903144.jpg"></div><p> 離心泵用機械密封檢修中的幾個誤區(qū) </p> <p> 彈簧壓縮量越大密封效果越好其實不然，彈簧壓縮量過大，可導致摩擦副急劇磨損，瞬間燒損;過度的壓縮使彈簧失去調節(jié)動環(huán)端面的能力，導致密封失效。2、動環(huán)密封圖越緊越好其實動環(huán)密封圈過緊有害無益。一是加劇密封圈與軸套間的磨損，過于早漏;二是增大了動環(huán)軸向調整、移動的阻力，在工況變化頻繁時無法適時進行調整;三是彈簧過度疲憊易損壞;四是使動環(huán)密封圈變形，影響密封效果。 3、靜環(huán)密封圈越緊越好靜環(huán)密封圈基本處于靜止狀態(tài)，相對較緊密封效果會好些，但過緊也是有害的。一是引起靜環(huán)密封因過度變形，影響密封效果;二是靜環(huán)材質以石墨居多，一般較脆，過度受力極易引起碎裂;三是安裝、拆卸困難，極易損壞靜環(huán)。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城葉輪泵密封經銷廠家" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293380048828/7808572.jpg"></div><p> 機械密封裝配前的檢查有哪些內容？答：一般性檢查：主要檢查個零件的型號、規(guī)格、性能、配合尺寸及有無缺口、點坑、變形和裂紋等損傷。動、靜環(huán)的檢查：密封端面要光潔明亮、物崩邊、點坑、溝槽、劃痕等缺點。對石墨環(huán)，還要浸沒有檢查是否有裂紋。 </p> <p> .機械密封彈簧的檢查都包括哪些內容？答：彈簧的檢查包括：總圈數、有效圈數、自由高度、軸心對端面是否垂直、彈簧旋向。但彈簧必須檢查旋向，多彈簧不需要檢查旋向。新彈簧要檢查其原始自由高度，自由高度要測量，并與原始記錄比較，殘余變形過大的要更換掉。舊彈簧清洗干凈后，要測量其彈力，彈力減少20%的要更換掉。多彈簧機械密封，各彈簧自由高度差不得小于0.5mm。 </p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/354026.html</p></div></div></div></div></div><div id="zmj8egd" 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