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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>廣州壓力管道施工,管道</p><p><span>***更新：</span>2021-01-23 09:10:25</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="3gdvmjv" 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: </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] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="onem7hq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="oifhea8" class="box"><p><p style="text-indent:25px">特種氣體管道工程施工：特種氣體管道工程施工指針對(duì)易燃易爆、毒腐性氣體進(jìn)行安全輸送的管道設(shè)計(jì)方案變成現(xiàn)實(shí)的的一個(gè)過程。對(duì)施工隊(duì)伍的要求：(1)承擔(dān)工業(yè)金屬管道施工的施工單位應(yīng)取得相應(yīng)的施工資質(zhì)，并應(yīng)在資質(zhì)許可范圍內(nèi)從事管道施工，廣州壓力管道施工。例如，管道施工應(yīng)取得相應(yīng)的施工資質(zhì)包括工程建設(shè)施工資質(zhì)、壓力管道安裝許可資質(zhì)等專業(yè)施工資質(zhì)。(2)施工單位在壓力管道工程施工前，必須向工程所在地的設(shè)區(qū)的市級(jí)質(zhì)量技術(shù)監(jiān)督部門辦理書面告知，在施工過程中要主動(dòng)接受特種設(shè)備安全監(jiān)督管理部門的監(jiān)督管理，并接受監(jiān)督檢驗(yàn)單位的監(jiān)督檢驗(yàn)。(3)施工單位應(yīng)建立壓力管道質(zhì)量保證體系，并應(yīng)有健全的質(zhì)量管理制度和相應(yīng)的施工技術(shù)標(biāo)準(zhǔn)，廣州壓力管道施工。(4)參加工業(yè)金屬管道施工的人員、施工質(zhì)量檢查、檢驗(yàn)的人員應(yīng)具備相應(yīng)的資格，廣州壓力管道施工。施工人員包括施工管理人員和施工作業(yè)人員。許多人對(duì)壓力管道安全意識(shí)淡薄。廣州壓力管道施工</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州壓力管道施工,管道" src="https://tyunfile.71360.com/UploadFile/xdgc123/637304914345898437/2837909.png"></div><p style="text-indent:25px">特種氣體管道管道焊接：1、在全自動(dòng)脈沖氬弧焊焊接過程中，如果管內(nèi)殘留有氧氣或水分，則在焊接部位會(huì)形成氧化膜，變成微粒發(fā)生源，所以，在焊接過程中及焊接前后，用高純氮?dú)獬浞种脫Q管內(nèi)的氧氣或水分是非常重要的。2、焊接保護(hù)氣體經(jīng)過0.05um過濾器過濾?，F(xiàn)場(chǎng)每完成好一部分管道，兩端閥門必須關(guān)緊(如沒有閥門，管內(nèi)就應(yīng)一直充著氬氣保護(hù))在管道施工過程中難免會(huì)有微粒進(jìn)人管道系統(tǒng)內(nèi)，管路系統(tǒng)的吹掃是一個(gè)必不可少的過程;高純氣體管道用高純氮?dú)膺M(jìn)行吹掃，先吹主干管，其次吹支干管.較后吹掃各支管。吹掃時(shí)間根據(jù)氣體品質(zhì)不同要求確定，直到測(cè)試純度合格為止。3、非氮?dú)夤艿?，用氮?dú)獯祾吆细窈筮M(jìn)行置換，然后再次吹掃，直至置換后的氣體達(dá)到純度要求為止。根據(jù)氣體工藝要求應(yīng)做各種測(cè)試，包括管道系統(tǒng)總體對(duì)外泄漏試驗(yàn)、總體對(duì)內(nèi)泄漏試驗(yàn)、顆粒物、含氧量測(cè)試氦檢泄漏試驗(yàn)等。管道經(jīng)測(cè)試合格后管內(nèi)通入高純氮?dú)膺M(jìn)行保護(hù)。東莞氣體管道安裝改造工程蒸汽管道設(shè)計(jì)時(shí)應(yīng)該要根據(jù)蒸汽的需求量設(shè)計(jì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州壓力管道施工,管道" src="https://tyunfile.71360.com/UploadFile/xdgc123/637304914387968750/2203014.png"></div><p style="text-indent:25px">壓力管道安裝的管道預(yù)制組裝注意的六大事項(xiàng):（1）進(jìn)入管道預(yù)制場(chǎng)的所有材料，需經(jīng)認(rèn)真檢驗(yàn)，符合GB50235-97標(biāo)準(zhǔn)的規(guī)定。（2）管道的加工，包括管子的切割。彎管制作。卷管加工。管口翻邊。夾套管等的加工，按GB50235-97的規(guī)定進(jìn)行。（3）管道的預(yù)制。組裝應(yīng)以設(shè)計(jì)圖為依據(jù)，但具體操作時(shí)，管段接口之間的幾何尺寸，必須以現(xiàn)場(chǎng)實(shí)測(cè)的管段單線圖為標(biāo)準(zhǔn)。（4）對(duì)焊后熱處理的管段，必需嚴(yán)格執(zhí)行操作工藝的要求，應(yīng)做出明顯的標(biāo)志，在熱處理前不得搬動(dòng)，防止應(yīng)力變化產(chǎn)生裂紋。（5）組裝成型的管道，搬運(yùn)時(shí)要有足夠剛度，防止產(chǎn)生變形。（6）對(duì)全部加工程序完畢的管道，及時(shí)做好標(biāo)志，在統(tǒng)一設(shè)定的位置，用鋼字碼打好管道系統(tǒng)號(hào)和加工順序號(hào)，便于核對(duì)防止出錯(cuò)。出場(chǎng)前認(rèn)真清理管腔。</p><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(rùn)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(zhǎng)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(yīng)用在化工、染料、醫(yī)藥、農(nóng)藥、冶金、稀土、機(jī)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(zhì)。安裝氨氣管道流程管道氧氣性質(zhì)通常分為:居民用戶、工業(yè)用戶、商業(yè)用戶,氮?dú)夤艿腊惭b流程: 1、管道連接時(shí),不得強(qiáng)力對(duì)口。2、管口對(duì)接應(yīng)檢查平直度,距接口200mm處測(cè)量,允許偏差1mmm,全長(zhǎng)偏空小于10mm,法蘭間連接要平行。 3、采用螺文接頭應(yīng)用四屬乙端帶填料,禁止用麻油。4、管道與支架中間應(yīng)采用無氣離子塑片相隔離;穿墻管道應(yīng)加套管,套管長(zhǎng)度不應(yīng)小于墻厚,中間空賺應(yīng)用不燃材料填塞。5、氨氣管道應(yīng)有防富及導(dǎo)除靜電的接地裝置。6、埋地管道深度不小于0m(管頂距地面),直接埋地應(yīng)作防腐處理。工作臺(tái)上氣體出口由單獨(dú)的閥門來控制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州壓力管道施工,管道" src="https://tyunfile.71360.com/UploadFile/xdgc123/637304913768105469/8003310.png"></div><p style="text-indent:25px">潔凈氮?dú)夤艿涝诓讳P鋼熔煉制材過程中，每噸可吸收大約200g的氣體。不銹鋼材加工完畢，不僅其表面粘有各種污染物，而且在其金屬晶格內(nèi)也吸留有一定量的氣體。當(dāng)管路中有氣流通過時(shí)，金屬所吸留的這部分氣體會(huì)重新進(jìn)入氣流中，污染純凈氣體。當(dāng)管內(nèi)氣流為不連續(xù)流動(dòng)時(shí)。管道穿地下室、地下構(gòu)筑物外墻、屋面或鋼筋混凝土水池、水箱的壁底時(shí)應(yīng)預(yù)埋防水套管。還應(yīng)考慮建筑沉降和維修等因素。管道不得敷設(shè)在配電間、強(qiáng)、弱電管道井、煙道、風(fēng)道和排水溝內(nèi)。管道不宜穿越臥室、儲(chǔ)藏室、櫥窗、壁柜等處、管道不得穿過大便槽或小便槽。引入管不宜穿越建筑基礎(chǔ)，冷水管道穿越承重墻處可設(shè)塑料套管。但穿樓板或熱水管道穿越處應(yīng)采用金屬套管。潔凈氮?dú)夤艿乐兴懈呒兌?、高潔凈的氣體均需通過管路輸送到儀器用點(diǎn)(POU)，為了達(dá)到儀器對(duì)氣體的質(zhì)量要求，在氣體出口指標(biāo)一定的情況下，則更需重視配管系統(tǒng)的材料選用和施工質(zhì)量。除取決于制氣或凈化設(shè)備的精度外，在很大程度上受到管路系統(tǒng)諸多因素的影響。氧氣管道應(yīng)盡量少設(shè)彎頭和分岔頭。廣州壓力管道施工</p><p style="text-indent:25px">氣相色譜工作臺(tái)上均勻的排放各種氣體的出口**，管徑為3.18mm(1/8in)。廣州壓力管道施工</p><p style="text-indent:25px">特種氣體管道安裝技術(shù)要點(diǎn)：管道敷設(shè)及連接(1)管道的坡度、坡向及管道組成件的安裝方向符合設(shè)計(jì)規(guī)定。(2)埋地管道安裝應(yīng)在支承地基或基礎(chǔ)檢驗(yàn)合格后進(jìn)行,埋地管道防腐層的施工應(yīng)在管道安裝前進(jìn)行。(3)管道連接時(shí),不得采用強(qiáng)力對(duì)口，端面的間隙、偏差、錯(cuò)口或不同心等缺陷不得采用加熱管子、加偏墊等方法消除。(4)管道采用法蘭連接時(shí)，法蘭密封面及密封墊片不得有劃痕、斑點(diǎn)等缺陷;法蘭連接應(yīng)與鋼制管道同心，螺栓應(yīng)能自由穿人，法蘭接頭的歪斜不得用強(qiáng)緊螺栓的方法消除;法蘭連接應(yīng)使用同一規(guī)格螺栓，安裝方向應(yīng)一致，螺栓應(yīng)對(duì)稱緊固。廣州壓力管道施工</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2975363.html</p></div></div></div></div></div><div id="xby8jqs" class="page-right twoColRt"><div id="3umdfwy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mbiubnk" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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