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src="https://tyunfile.71360.com/UploadFile/xdgc123/637304914168339844/351832.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vzzxrtn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xdgc123/637304914168339844/351832.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="x5fthvr" 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>東莞氫氣管道施工公司,管道</p><p><span>***更新：</span>2020-09-25 10:26:31</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="hfjx3px" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">興鼎工程（深圳）有限公司</a></p><p><span>聯系人：</span>肖甜甜</p><p><span>郵箱: </span>3179218391@qq.com</p><p><span>電話: </span>18926000322</p><p><span>傳真: </span>0788_28485033</p><p><span>網址: </span>https://www.szxdgc.cn</p><p><span>手機: </span>0788-28482399</p><p><span>地址: </span>坂田街道水庫路2號6棟11層?</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="tltzv1v" class="page-proshow02"><p class="title">詳細說明</p><div id="5jhx35l" class="box"><p><p style="text-indent:25px">潔凈工藝管道是生物制藥生產工藝系統(tǒng)重心部分的工程施工，東莞氫氣管道施工公司，對管材及其組成件材料的要求都很高，需要加強對該系統(tǒng)潔凈工藝管道焊接施工的檢查，通過規(guī)范的施工控制，滿足工藝標準和設計要求。對潔凈室工藝管道管材的要求：1) 純化水、注射用水和純蒸汽的管道應是316L不銹鋼電拋光管，Ra 值 <0.5 mm；2) 管材需提供熔煉爐號、制造號、制造材料，東莞氫氣管道施工公司,熔煉爐號在安裝現場應可見。嵌墻敷設的管道要設管卡固定，東莞氫氣管道施工公司、在管線轉折處，應預留5-10mm凈空，供自然補償管路因熱漲冷縮引起的伸縮變化值。壓力管道內流體流動狀態(tài)復雜，緩沖余地小。東莞氫氣管道施工公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞氫氣管道施工公司,管道" src="https://tyunfile.71360.com/UploadFile/xdgc123/637304914168339844/351832.png"></div><p style="text-indent:25px">氣體管道包括控制閥門、過濾器、減壓裝置、壓力表、流量計、在線分析儀等，宜集中設在氣體入口室。氣體經鼓風機、壓縮機、泵和鍋爐等增壓后，從管道的高壓處流向低壓處，也可利用氣體自身的壓力或重力輸送。當氣體的流量已知時，管徑的大小取決于允許的流速或允許的摩擦阻力(壓力降)。流速大時管徑小，但壓力降值增大。但泵和壓縮機等動力設備的運行能耗費用增大。此外，如果流速過大，還有可能帶來一些其他不利的因素。因此管徑應根據建設投資、運行費用和其他技術因素綜合考慮決定。化工管道安裝方案壓力管道是一個系統(tǒng)，相互關聯相互影響，牽一發(fā)而動全身。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞氫氣管道施工公司,管道" src="https://tyunfile.71360.com/UploadFile/xdgc123/637304914217646484/1133667.png"></div><p> 承插聯接：主要用于鑄鐵管、混凝土管、陶土管及其聯接件之間的聯接，只適用于在低壓常溫條件下工作的 </p> <p> 給水、排水和煤氣管道。聯接時，一般情況在承插口的槽內先填入麻絲、棉線或石棉繩，然后再用石棉水泥或鉛 </p> <p> 等材料填實，而且還可在承插口內填入橡膠密封環(huán)，使其具有較好的柔性，容許管子有少量的移動。焊接聯接： </p> <p> 焊接聯接的強度和密封性較好，焊接連接適用于各種管道，省工省料，但是拆卸時必須切斷管子和管子聯接件。這個是需要注意的。 </p> <p> <br /> </p><p style="text-indent:25px">氣體管道可能承受許多種外力的作用，包括本身的重量、氣體作用在管端的推力、風雪載荷、土壤壓力、熱脹冷縮引起的熱應力、振動載荷和地震災害等。為了保證管道的強度和剛度，必須設置各種支(吊)架，如活動支架、固定支架、導向支架和彈簧支架等。支架的設置根據管道的直徑、材質、管子壁厚和載荷等條件決定。固定支架用來分段控制管道的熱伸長，使膨脹節(jié)均勻工作；導向支架使管子僅作軸向移動。為了排除凝結水，蒸汽和其他含水的氣體管道應有一定的坡度，一般不小于千分之二。對于利用重力流動的地下排水管道，坡度不小于千分之五。蒸汽或其他含水的氣體管道在較低點設置排水管或疏水閥，某些氣體管道還設有氣水分離器，以便及時排去水液，防止管內產生水擊和阻礙氣體流動。給水或其他液體管道在較高點設有排氣裝置，排除積存在管道內的空氣或其他氣體，以防止氣阻造成運行失常。按法蘭與管子的連接方式分為以下五種基本類型：螺紋法蘭、平焊法蘭、對焊法蘭、承插焊法蘭、松套法蘭。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞氫氣管道施工公司,管道" src="https://tyunfile.71360.com/UploadFile/xdgc123/637304913666660156/8733951.png"></div><p style="text-indent:25px">化工管主要材料是超高分子量聚乙烯，超高分子量聚乙烯（UHMW-PE）是由乙烯、丁二烯單體在催化劑的作用下，聚合而成的平均分子量大于200萬的熱塑性工程塑料。綜合性能優(yōu)越，耐磨損、耐低溫、耐腐蝕、自身潤滑、抗沖擊性能在所有塑料中為較高值，耐磨性能優(yōu)于聚四氟乙烯、尼龍、碳鋼等材料，可長期在-269度至+80度條件下工作，被稱為“令人驚異的塑料”，是一種理想的管材。主要應用在化工、染料、醫(yī)藥、農藥、冶金、稀土、機械、電力、電子、環(huán)保、紡織、釀造、食品、給排水、石油、冶煉、造紙等行業(yè)輸送腐蝕性介質。嚴禁用氧氣吹刷管道或用氧氣試漏、試壓。廣州化工管道施工工程</p><p style="text-indent:25px">化工管道的特點具有優(yōu)良的物理性能。東莞氫氣管道施工公司</p><p style="text-indent:25px">蒸汽管道是熱力管道的一種，需要GB2施工資質，熱力管道是屬于壓力管道的一類，GB2級。主要用于采暖、通風、空調用汽、工業(yè)用氣。蒸汽管道又分為飽和蒸汽管道（壓力PN小于等于1.6MPa）和過熱蒸汽管道（壓力PN小于等于1.6MPa，溫度t小于300攝氏度）。蒸汽管道（直埋蒸汽管道）對各種保溫材料的導熱系數，不能簡單地以廠家提供的單體數值為準，而應搞清楚該數值是在何種溫度、何種條件、哪一級檢測部門測定的，有否導熱系數方程式的條件下，然后盡量參照行業(yè)標準確定的導熱方程式來選取、確定導熱系數。例如微孔硅酸鈣，筆者見過幾個廠家標出的導熱系數都不同，這時應憑據標準《硅酸鈣絕熱制品》的相關條文選取，送樣檢測后確定導熱系數。東莞氫氣管道施工公司</p><p style="text-indent:25px">興鼎工程（深圳）有限公司是一家興鼎工程專業(yè)無塵車間設計安裝、潔凈室工程、機電安裝工程、節(jié)能環(huán)保工程、余熱回收工程、潔凈室施工、裝修工程、中央空調工程、合同能源管理、壓力管道安裝、特種設備檢測辦證、安全閥壓力表檢測、壓力容器檢測辦證的公司，致力于發(fā)展為創(chuàng)新務實、誠實可信的企業(yè)。興鼎工程擁有一支經驗豐富、技術創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供特種設備檢測辦證，壓力管道設計安裝，無塵車間設計施工，合同能源管理。興鼎工程繼續(xù)堅定不移地走高質量發(fā)展道路，既要實現基本面穩(wěn)定增長，又要聚焦關鍵領域，實現轉型再突破。興鼎工程始終關注自身，在風云變化的時代，對自身的建設毫不懈怠，高度的專注與執(zhí)著使興鼎工程在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1417901.html</p></div></div></div></div></div><div id="jvtbl39" class="page-right twoColRt"><div id="37f5lbd" 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