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href="http://www.cdcfah.com/cp/third-jxjxysb_hggdjpjxs/">化工管道及配件</a>?氣體管道施工貼心服務(wù) 興鼎工程供應(yīng)</p><div id="cwgnko2" class="leftbox clearfix"><h1>氣體管道施工貼心服務(wù) 興鼎工程供應(yīng)</h1><div id="z7qegi8" class="proBig"><div id="ef3x388" 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="3vevhjl" 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="cbliamj" 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>氣體管道施工,管道</p><p><span>***更新：</span>2021-01-21 04:07:42</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="pjb2sp2" 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="gprtqxz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="smo7bdy" class="box"><p><p style="text-indent:25px">氣體管道的管道如不能自由地伸縮，就會(huì)產(chǎn)生巨大的附加應(yīng)力。因此，在溫度變化較大的管道和需要有自由位移的常溫管道上，需要設(shè)置膨脹節(jié)，使管道的伸縮得到補(bǔ)償而消除附加應(yīng)力的影響。對(duì)于蒸汽管道、高溫管道、低溫管道以及有防燙、防凍要求的管道，需要用保溫材料包覆在管道外面，防止管內(nèi)熱(冷)量的損失或產(chǎn)生凍結(jié)。常用的保溫材料有水泥珍珠巖、玻璃棉、巖棉和石棉硅藻土等。管子、管子聯(lián)接件、閥門和設(shè) 備上的進(jìn)出接管間的聯(lián)接方法，氣體管道施工，由氣體的性質(zhì)、壓力和溫度以及管子的材質(zhì)、尺寸和安裝場(chǎng)所等因素決定，主要有螺紋聯(lián)接、法蘭聯(lián)接、承插聯(lián)接和焊接等四種方法。蒸汽管道分為兩種工作狀態(tài)，氣體管道施工，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，會(huì)因?yàn)闊崦浝淇s原理而產(chǎn)生位移和受力，管道越長(zhǎng)，位移和受到的力越大，為了防止管道發(fā)生損壞，需要采取措施進(jìn)行規(guī)避，于是就有了這個(gè)彎，也被稱作為“膨脹節(jié)”，是用來吸收管子軸向膨脹位移的，氣體管道施工，也有躲避混凝土梁柱的要求，一舉兩得。所有管路在天花板下面布設(shè)，并通過功能柱到中央臺(tái)。氣體管道施工</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="氣體管道施工,管道" src="https://tyunfile.71360.com/UploadFile/xdgc123/637304914466787109/6911556.png"></div><p style="text-indent:25px">氧氣管道安裝：冶金工廠煉鐵、煉鋼、在線切割、半成品整修等工藝使用大量氧氣，需借助氧氣管道將其從制氧站經(jīng)儲(chǔ)罐和減壓裝置送到用戶。氧氣管道的材質(zhì)多為碳素鋼管;受腐蝕較嚴(yán)重的部位宜用不銹鋼管;細(xì)直徑的也可用銅管或鋁管。氧氣管道的直徑大小不一，用于大型轉(zhuǎn)爐煉鋼的輸氧管可達(dá)350mm。氧氣是一種很強(qiáng)的助燃劑，與煤氣等可燃?xì)怏w混合后容易發(fā)生，與油脂接觸也可能引起自燃或。為確保安全，氧氣管道安裝必須做到管線無泄漏，并對(duì)管道系統(tǒng)進(jìn)行嚴(yán)格的脫脂處理和吹洗?；葜菅鯕夤艿涝O(shè)計(jì)施工蒸汽保溫管安裝認(rèn)真閱讀制造廠商提供的使用說明及有關(guān)的技術(shù)資料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="氣體管道施工,管道" src="https://tyunfile.71360.com/UploadFile/xdgc123/637304913620390625/2271535.png"></div><p style="text-indent:25px">乙炔氣與空氣、氧氣混合達(dá)到一定容積比時(shí)遇火即會(huì)。乙炔氣與許多有色金屬(銅、銀、汞、鋅、鎘等)相互作用產(chǎn)生易爆的金屬碳化物，其中與銅的碳化物具有較大的性。因此，安裝乙炔管道需特別注意施工時(shí)與通氣后的防爆問題。管道材料選用。乙炔管道應(yīng)選用無縫鋼管、不銹鋼管或鋼塑復(fù)合管。乙炔管道系統(tǒng)的計(jì)器、儀表、閥門與管件等應(yīng)選用鋼制或鑄鐵制品，不得選用銅制品(可選用含銅量低于70％的銅合金制品)；閥門內(nèi)閥芯與閥瓣應(yīng)采用不銹鋼、皮革制成，以保證閥門開關(guān)時(shí)不發(fā)生火花。儀表檢查箱上應(yīng)注明“乙炔”、“禁火”字樣。</p><p style="text-indent:25px">散裝管道安裝1、對(duì)流管退火：化鉛鍋應(yīng)設(shè)在露天，有防雨措施；操作人員應(yīng)戴手套和防護(hù)眼鏡；嚴(yán)禁將潮濕鉛塊放人鉛鍋內(nèi)。鋼管退火，應(yīng)先將退火的管頭烘干再插入鉛鍋內(nèi)，并固定牢固；操作人員腳應(yīng)加鞋蓋。2、管道安裝本體的平臺(tái)、護(hù)身欄、爬梯和扶手，必須隨管道安裝的安裝同步進(jìn)行。3、脹管時(shí)，鍋筒外應(yīng)設(shè)專人監(jiān)護(hù)，發(fā)現(xiàn)不安全隱患，應(yīng)及時(shí)拉閘斷電。鍋筒內(nèi)送風(fēng)時(shí)，嚴(yán)禁用無防護(hù)罩的排風(fēng)扇代替軸流風(fēng)機(jī)。4、焊工焊接管道安裝鋼架時(shí)，必須遵守本規(guī)程焊工的有關(guān)規(guī)定。焊機(jī)的二次線必須雙線到位，嚴(yán)禁借用其他金屬結(jié)構(gòu)或鋼管腳手架代替回路。5、螺旋出渣機(jī)做冷態(tài)試車和爐排試運(yùn)轉(zhuǎn)時(shí)，必須有暫設(shè)電工配合進(jìn)行。6、電氣控制設(shè)備、省煤器、液壓傳動(dòng)裝置、鼓引風(fēng)、軟化水等設(shè)備安裝，必須按照分項(xiàng)施工工藝標(biāo)準(zhǔn)中安全規(guī)定和安全技術(shù)措施交底執(zhí)行，嚴(yán)禁違章作業(yè)。7、安裝機(jī)電設(shè)備試運(yùn)轉(zhuǎn)時(shí)，必須會(huì)同有關(guān)人員共同進(jìn)行，不得擅自開動(dòng)。型設(shè)備試運(yùn)轉(zhuǎn)應(yīng)聽從專人指揮，不得任意改變或減少操作步驟。蒸汽保溫管安裝標(biāo)明接補(bǔ)償器的一端與補(bǔ)償器相接。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="氣體管道施工,管道" src="https://tyunfile.71360.com/UploadFile/xdgc123/637304913716777344/3936614.png"></div><p style="text-indent:25px">壓力管道安裝用于反響技術(shù)的壓力容器是各種辦法的反響器。例如，構(gòu)成氨工作用改換爐將co、水蒸汽在必定壓力、溫度下改換為氫氣和二氧化碳，用構(gòu)成塔結(jié)束氮企與氫氣i有些合成為氨的反響，碳化塔內(nèi)氨水與二氧化碳反響生成為碳酸氫銨等，因?yàn)榛瘜W(xué)反響隨同能的改動(dòng)，為化學(xué)反響順利進(jìn)行，行進(jìn)反響速率，所以恰當(dāng)有些的反響容器需求設(shè)置夾套、盤管等，以依據(jù)技術(shù)央求進(jìn)行加熱和冷卻。壓力管道安裝管道組成件：指用于連接或裝配成管道的元件，包括管子、管件、法蘭、墊片、緊固件、閥門以及管道特殊件。所謂管道特殊件，是指非普通標(biāo)準(zhǔn)組成件。包括膨脹節(jié)、特殊閥門、爆破片、阻火器、過濾器、撓性接頭及軟管等。法蘭、墊片和緊固件統(tǒng)稱為管道連接件。蒸汽保溫管安裝認(rèn)管道布管位置與方向?；葜菅鯕夤艿涝O(shè)計(jì)施工</p><p style="text-indent:25px">它的作用是當(dāng)壓力感應(yīng)器檢測(cè)到壓力升高時(shí)，減壓閥閥門開度減小。氣體管道施工</p><p style="text-indent:25px">氧氣管道安裝：制氧站內(nèi)的氧氣管道、埋地的氧氣管道和管線上閥件較多的氧氣管道多采用先脫脂后安裝法;廠區(qū)管網(wǎng)和車間內(nèi)的配管，多數(shù)采用先安裝后脫脂法。在管線上有較多閥件的情況下，也可采取先沖洗后試壓的做法。除銹是保證氧氣管道安裝質(zhì)量的關(guān)鍵環(huán)節(jié)之一。氧氣管道、閥件、接頭等在安裝前要對(duì)接觸氧氣的表面進(jìn)行檢查，清理污垢、鐵銹和毛刺。除銹方法有酸洗、噴砂、機(jī)械除銹、手工刷除銹等。當(dāng)管道數(shù)量大時(shí)，以采取酸洗法較好，工序?yàn)椋核嵯础础泻汀磁c鈍化→干燥。酸洗后在管子外表面涂防銹底漆和面漆(焊口部位不涂)，以防返銹。氣體管道施工</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2939182.html</p></div></div></div></div></div><div id="fhz284p" class="page-right twoColRt"><div id="jyvxugn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lvxp3cy" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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