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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3suy8lp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xinchen/637329939787724609/7888074.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lfegdu7" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產品關鍵詞：</span>清遠換熱器哪里便宜,換熱器</p><p><span>***更新：</span>2021-01-10 07:11:12</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="dcjlseb" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">東莞鑫晨換熱器有限公司</a></p><p><span>聯系人：</span>吳康</p><p><span>郵箱: </span>m18038240085@163.com</p><p><span>電話: </span>18038240085</p><p><span>傳真: </span>0769_</p><p><span>網址: </span>http://www.xpsgroup.cn</p><p><span>手機: </span>0769-22610292</p><p><span>地址: </span>東莞市東城街道溫塘橫嶺工業(yè)區(qū)二街15號6棟103室</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="rgtvnz2" class="page-proshow02"><p class="title">詳細說明</p><div id="r3x2e7j" class="box"><p><p style="text-indent:25px">水垢是由于水中含有鈣鎂鹽類，部分鈣鎂鹽類的溶解度隨著溫度的升高而下降，析出的結晶鹽聚集附著在板片上形成水垢。水垢導熱性差，附著在板片上勢必會影響板片的換熱效果，清遠換熱器哪里便宜。若長時間得不到有效的清理，越積越多的水垢將減小流通截面（如圖中板片的波紋面），加大流通阻力，嚴重時甚至堵塞流通截面。因此，定期清洗水垢是保證板換換熱效果的基礎。目前較常用的清洗方法是化學清洗殺菌法。在清洗時，加入化學劑和殺菌劑，讓板片上的水垢，浮銹，細菌等與試劑發(fā)生化學反應清洗后排除，清遠換熱器哪里便宜，清遠換熱器哪里便宜，還原板片光潔表面。此外，在日常維護方面，可以適當加入緩蝕阻垢劑，防止鈣鎂離子結晶沉淀。條件好的可以采用磁化及離子棒防垢處理，鈉離子交換處理等方法。板式換熱器的密封墊片主要是在換熱板片之間起密封作用。清遠換熱器哪里便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="清遠換熱器哪里便宜,換熱器" src="https://tyunfile.71360.com/UploadFile/xinchen/637329939787724609/7888074.png"></div><p style="text-indent:25px">板式換熱器具有較高的傳熱系數，一般約為管殼式換熱器的3~5倍。主要原因是流體在管殼式換熱器的殼程中流動時存在著折流板—殼體，折流板—換熱管，管束—殼體之間的旁路，通過這些旁路的流體，沒有充分參與換熱。而板式換熱器，不存在旁路，而且板片的波紋能使流體在較小的流速下產生湍流，湍流效果明顯（雷諾數約為150時即為湍流），故能獲得較高的傳熱系數。板式換熱器兩種流體可實現純逆流，一般為順流或逆流方式。但在管殼式換熱器中，兩種流體分別在殼程和管程內流動。總體上是錯流的流動方式。降低了對數平均溫差。板式換熱器能實現溫度交叉，末端溫差能達到1℃；管殼式換熱器不能實現溫度交叉（即二次側出口溫度不能高于一次側的出口溫度）末端溫差只能達到5℃ 。北京換熱器大概多少錢換熱器拆卸前，應測量板束的壓緊長度尺寸。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="清遠換熱器哪里便宜,換熱器" src="https://tyunfile.71360.com/UploadFile/xinchen/637329939767607422/3058394.png"></div><p style="text-indent:25px">板式換熱器傳熱效率的樞紐是進步傳熱系數和對數均勻溫差。板片加厚，能進步換熱器的承壓能力。該方式應采用逆流布置，使冷介質出換熱器的溫度較高，保證換熱器出口合流后的冷介質溫度能達到設計要求。板換式換熱器的效能是一個綜合經濟效益題目，應通過技術經濟比較后確定。采用對稱型或非對稱型、單流程或多流程板換式換熱器，均可設置換熱器旁通管，但應經具體的熱力計算。在知足換熱器承壓能力的條件下，應盡量選用較小的板片厚度。多流程組合泛起混合流型，均勻傳熱溫差稍低。</p><p style="text-indent:25px">換熱器的用材的選擇：使用何種材料的決定因素是其經濟性,管子材料有不銹鋼,銅鎳合金,鎳基合金,鈦和鋯等,除了工業(yè)上不能使用焊接管的情況以外都使用了焊接管,耐蝕材料*用于管程,殼程材料是碳鋼。換熱器的金屬腐蝕：金屬腐蝕的原理金屬腐蝕是指在周圍介質的化學或電化學的作用下,并且經常是在和物理、機械或生物學因素的共同作用下金屬產生的破壞,也即金屬在它所處環(huán)境的作用下所產生破壞。換熱器幾種常見的腐蝕破壞類型均勻腐蝕在整個暴露于介質的表面上,或者在較大的面積上產生的,宏觀上均勻的腐蝕破壞叫均勻腐蝕。裝換熱器的基礎必須滿足以使換熱器不發(fā)生下沉。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="清遠換熱器哪里便宜,換熱器" src="https://tyunfile.71360.com/UploadFile/xinchen/637329939763076172/3005646.png"></div><p style="text-indent:25px">板式換熱器的板片發(fā)生錯位，對于介質流量和壓力變化較大、而且又是多程組合、長期使用的板式換熱器，容易發(fā)生板片錯位現象。板片錯位后，有時很快就出現外漏；有些雖然不是立即發(fā)生外漏，但卻是發(fā)生滲漏的一種隱患，所以都必須及時處理。引起錯位的主要原因有：換熱器板片變形；板式換熱器的密封墊片滑離了墊片槽。處理這種錯位現象，應將變形的板片和滑離墊片槽的墊片及時更換?，F場缺乏檢修設備時，板式換熱器的簡單處理方法是在板式換熱器在使用過程中，無論是板片發(fā)生變形、裂紋、穿孔，還是墊片發(fā)生老化、斷裂，都需要及時更換。萬一使用現場沒有足夠的備件，而換熱設備既無備用臺份，又不能停機時，應進行現場的簡便處理?，F場簡便處理的方法是將損壞的板片和發(fā)生滲漏的板片成對（A板+B板），如果數量不太多，減少的流道數也不多，組裝后可繼續(xù)使用，對生產影響不會很大。板式換熱器較為重要的部件是換熱板片和密封墊片。清遠換熱器哪里便宜</p><p style="text-indent:25px">換熱器不宜在比較臟或者容易結垢的環(huán)境。清遠換熱器哪里便宜</p><p style="text-indent:25px">可拆卸板式換熱器是由許多沖壓有波紋薄板按一定間隔，四周通過墊片密封，并用框架和壓緊螺旋重疊壓緊而成，板片和墊片的四個角孔形成了流體的分配管和匯集管，同時又合理地將冷熱流體分開，使其分別在每塊板片兩側的流道中流動，通過板片進行熱交換。板式換熱器結構緊湊，單位體積內的換熱面積為管殼式的2~5倍，也不像管殼式那樣要預留抽出管束的檢修場所，因此實現同樣的換熱量，板式換熱器占地面積約為管殼式換熱器的1/5~1/8。只要增加或減少幾張板，即可達到增加或減少換熱面積的目的；改變板片排列或更換幾張板片，即可達到所要求的流程組合，適應新的換熱工況，而管殼式換熱器的傳熱面積幾乎不可能增加。清遠換熱器哪里便宜</p><p style="text-indent:25px">東莞鑫晨換熱器有限公司位于東莞市東城街道溫塘橫嶺工業(yè)區(qū)二街15號6棟103室。公司業(yè)務涵蓋板殼式換熱器，板式換熱器，螺旋板式換熱器，換熱機組等，價格合理，品質有保證。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于機械及行業(yè)設備行業(yè)的發(fā)展。鑫晨換熱器立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術理念，飛快響應客戶的變化需求。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2784106.html</p></div></div></div></div></div><div id="jqcel87" class="page-right twoColRt"><div id="ysumovx" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mg3asub" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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