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href="http://www.cdcfah.com/cp/third-jxjxysb_hggdjpjxs/">化工管道及配件</a>?深圳蒸汽管道施工工程誠(chéng)信服務(wù) 興鼎工程供應(yīng)</p><div id="sawx2c8" class="leftbox clearfix"><h1>深圳蒸汽管道施工工程誠(chéng)信服務(wù) 興鼎工程供應(yīng)</h1><div id="39eqmtu" class="proBig"><div id="hvwneqm" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xdgc123/637304914466787109/6911556.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="d3kbx2w" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xdgc123/637304914466787109/6911556.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="r2du8oc" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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(chǎn)品關(guān)鍵詞：</span>深圳蒸汽管道施工工程,管道</p><p><span>***更新：</span>2020-08-05 13:22:51</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="aduq3ah" 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(lián)系人：</span>肖甜甜</p><p><span>郵箱: </span>3179218391@qq.com</p><p><span>電話(huà): </span>18926000322</p><p><span>傳真: </span>0788_28485033</p><p><span>網(wǎng)址: </span>https://www.szxdgc.cn</p><p><span>手機(jī): </span>0788-28482399</p><p><span>地址: </span>坂田街道水庫(kù)路2號(hào)6棟11層?</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="fy3xypv" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="d3qcyfg" class="box"><p><p style="text-indent:25px">從廣義上理解，壓力管道是指所有承受內(nèi)壓或外壓的管道，無(wú)論其管內(nèi)介質(zhì)如何。壓力管道是管道中的一部分，管道是用以輸送、分配、混合、分離、排放、計(jì)量、控制和制止流體流動(dòng)的，由管子、管件、法蘭、螺栓連接、墊片、閥門(mén)、其他組成件或受壓部件和支承件組成的裝配總成。對(duì)壓力管道的檢驗(yàn)檢測(cè)工作包括：外觀(guān)檢驗(yàn)，深圳蒸汽管道施工工程、測(cè)厚、無(wú)損檢測(cè)、硬度測(cè)定，深圳蒸汽管道施工工程、金相、耐壓試驗(yàn)等。而磁粉檢測(cè)則是無(wú)損檢測(cè)一種經(jīng)常使用的方法。磁粉檢測(cè)的能力不僅與施加磁場(chǎng)強(qiáng)度的大小有關(guān)，還與缺陷的方向、缺陷的深寬比、缺陷的形狀、工件的外形，深圳蒸汽管道施工工程、尺寸和表面狀態(tài)及可能產(chǎn)生缺陷的部位有關(guān)。因此就有各種不同的磁化方法。管路上的安全閥、壓力表，要定期校驗(yàn)，1年1次。深圳蒸汽管道施工工程</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳蒸汽管道施工工程,管道" src="https://tyunfile.71360.com/UploadFile/xdgc123/637304914466787109/6911556.png"></div><p style="text-indent:25px">蒸汽管道是熱力管道的一種，需要GB2施工資質(zhì)，熱力管道是屬于壓力管道的一類(lèi)，GB2級(jí)。主要用于采暖、通風(fēng)、空調(diào)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(guò)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(duì)各種保溫材料的導(dǎo)熱系數(shù)，不能簡(jiǎn)單地以廠(chǎng)家提供的單體數(shù)值為準(zhǔn)，而應(yīng)搞清楚該數(shù)值是在何種溫度、何種條件、哪一級(jí)檢測(cè)部門(mén)測(cè)定的，有否導(dǎo)熱系數(shù)方程式的條件下，然后盡量參照行業(yè)標(biāo)準(zhǔn)確定的導(dǎo)熱方程式來(lái)選取、確定導(dǎo)熱系數(shù)。例如微孔硅酸鈣，筆者見(jiàn)過(guò)幾個(gè)廠(chǎng)家標(biāo)出的導(dǎo)熱系數(shù)都不同，這時(shí)應(yīng)憑據(jù)標(biāo)準(zhǔn)《硅酸鈣絕熱制品》的相關(guān)條文選取，送樣檢測(cè)后確定導(dǎo)熱系數(shù)?；葜莅睔夤艿腊惭b工程工藝管道連接應(yīng)該采用焊接連接。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳蒸汽管道施工工程,管道" src="https://tyunfile.71360.com/UploadFile/xdgc123/637304914217646484/1133667.png"></div><p style="text-indent:25px">氣體管道的注意事項(xiàng)管徑為1/8的管路很細(xì)且特軟，安裝后不直，很不美觀(guān)，建議管徑為1/8的全部換成1/4，在二級(jí)減壓器末端加一變徑就可以了，氮?dú)?，氬氣，壓縮空氣，氦氣，甲烷，氧氣的已經(jīng)減壓器壓力表量程為0—25Mpa，二級(jí)減壓器為0—1.6 Mpa。乙炔一級(jí)減壓器量程為0—4 Mpa，二級(jí)減壓器為0—0.25 Mpa，氮?dú)?，氬氣，壓縮空氣，氦氣，氧氣鋼瓶接頭共用氫氣鋼瓶接頭分兩種，一是正轉(zhuǎn)鋼瓶接頭，另一是反轉(zhuǎn)。大氣瓶用的是反轉(zhuǎn)，小氣瓶用的是正轉(zhuǎn)，氣體管路每隔1.5m設(shè)一管子固定件彎曲處及閥門(mén)兩端都應(yīng)設(shè)固定件，氣體管路應(yīng)沿墻明設(shè)，以便安裝維護(hù)。</p><p style="text-indent:25px">壓力管道，是指利用一定的壓力，用于輸送氣體或者液體的管狀設(shè)備，其范圍規(guī)定為較高工作壓力大于或者等于0.1MPa（表壓）的氣體、液化氣體、蒸汽介質(zhì)或者可燃、易爆、有毒、有腐蝕性、較高工作溫度高于或者等于標(biāo)準(zhǔn)沸點(diǎn)的液體介質(zhì)，且公稱(chēng)直徑大于25mm的管道。工業(yè)管道是指企業(yè)、事業(yè)單位所屬的用于輸送工藝介質(zhì)的工藝管道、公用工程管道及其他輔助管道，劃分為GC1級(jí)、GC2級(jí)、GC3級(jí)。輸送GB5044－85《職業(yè)接觸毒物危害程度分級(jí)》中規(guī)定的毒性程度為極度危害介質(zhì)、高度危害氣體介質(zhì)和工作溫度高于標(biāo)準(zhǔn)沸點(diǎn)的高度危害液體介質(zhì)的管道；輸送GB50160－2008《石油化工企業(yè)設(shè)計(jì)防火規(guī)范》及GB50016－2006《建筑設(shè)計(jì)防火規(guī)范》中規(guī)定的火災(zāi)危險(xiǎn)性為甲、乙類(lèi)可燃?xì)怏w或甲類(lèi)可燃液體（包括液化烴），并且設(shè)計(jì)壓力大于或者等于4.0MPa的管道；輸送流體介質(zhì)并且設(shè)計(jì)壓力大于或者等于10.0MPa，或者設(shè)計(jì)壓力大于或者等于4.0MPa，并且設(shè)計(jì)溫度大于或者等于400℃的管道。氣體管道指氣瓶至儀器終端之間連接管線(xiàn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳蒸汽管道施工工程,管道" src="https://tyunfile.71360.com/UploadFile/xdgc123/637304913932822266/1986510.png"></div><p style="text-indent:25px">壓力管道的使用：壓力管道設(shè)計(jì)合理是壓力管道安全運(yùn)行的基礎(chǔ)保證，要求根據(jù)國(guó)家的相關(guān)標(biāo)準(zhǔn)進(jìn)行設(shè)計(jì)。壓力管道的可靠性首先取決于其設(shè)計(jì)、制造和安裝的質(zhì)量。合理選擇材料也是管道安全的重要因素，要避免出現(xiàn)選材的差錯(cuò)。在用壓力管道由于介質(zhì)和環(huán)境的侵害、操作不當(dāng)、維護(hù)不力，往往會(huì)引起材料性能的惡化、失效而降低使用性能和縮短使用周期，甚至導(dǎo)致事故發(fā)生。壓力和溫度是壓力管道使用過(guò)程中兩個(gè)主要的工藝控制指標(biāo)。使用壓力和使用溫度是管道設(shè)計(jì)、選材、制造和安裝的依據(jù)。只有嚴(yán)格按照壓力管道安全操作規(guī)程中規(guī)定的操作壓力和操作溫度運(yùn)行，才能保證管道的安全使用。蒸汽管道分為兩種工作狀態(tài)，一個(gè)溫度高，一個(gè)近似于環(huán)境溫度，在冷熱交替變換中。深圳蒸汽管道施工工程</p><p style="text-indent:25px">液氧管道一般采用不銹鋼管道或銅及銅合金管道, 由于為低溫狀態(tài), 液氧流速?zèng)]有嚴(yán)格限制。深圳蒸汽管道施工工程</p><p style="text-indent:25px">當(dāng)高速流動(dòng)的水丸碰到管道的安裝件、設(shè)備或者閥門(mén)的時(shí)候，會(huì)產(chǎn)生一定的振動(dòng)和噪聲，這就是所謂的水錘現(xiàn)象。為了避免水錘的現(xiàn)象，要注意疏水系統(tǒng)的設(shè)置，另外子啊連接分支管取蒸汽的時(shí)候，要在主管道的上方。管道不能使用太多的支管、縮口彎道等。為了使管道局部下沉的現(xiàn)象不發(fā)生，設(shè)置管道支撐的設(shè)置一定要合理。應(yīng)該水平的安裝過(guò)濾器的濾網(wǎng)。以上這些細(xì)節(jié)都應(yīng)該注意，這樣才能夠避免水錘的現(xiàn)象，提高化工裝置中蒸汽管道設(shè)計(jì)的質(zhì)量和效率深圳蒸汽管道施工工程</p><p style="text-indent:25px">興鼎工程（深圳）有限公司成立于2014-01-02，是一家服務(wù)型的公司。興鼎工程致力于為客戶(hù)提供質(zhì)量的[ "特種設(shè)備檢測(cè)辦證", "壓力管道設(shè)計(jì)安裝", "無(wú)塵車(chē)間設(shè)計(jì)施工", "合同能源管理" ]，一切以用戶(hù)需求為中心,深受廣大客戶(hù)的歡迎。公司將不斷增強(qiáng)企業(yè)核心競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)先進(jìn)知識(shí)，遵守行業(yè)規(guī)范，植根于建筑、建材行業(yè)的發(fā)展。公司憑借深厚技術(shù)支持，年?duì)I業(yè)額度達(dá)到5000萬(wàn)元-1億元，并與多家行業(yè)**公司建立了緊密的合作關(guān)系。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/816860.html</p></div></div></div></div></div><div id="b83zqmd" class="page-right twoColRt"><div id="a72stza" class="box01 margin10 clearfix"><h3><a 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