摘要：<span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><a href="http://www.meiya025.com/timemodel/product/2017-03-16/2042074761.html" target="_blank"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">西安</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span></a><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><a href="http://www.meiya025.com/timemodel/product/2017-03-16/2042074761.html" target="_blank">不鏽鋼管換熱管</a>主要用於火力發(fā)電、化工、鋼鐵等行業(yè)的加熱器更換</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管，冷油器更換</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管，冷水器更換</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管，取樣冷卻器更換</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管，抽氣冷卻器更換</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管，換熱器更換</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管，軸封加熱器更換</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管，高壓加熱器更換</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管，低壓加熱器更換</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管，壓力容器，空氣冷卻器等等。凝汽器</span><span style="font-family:'Times New Roman';"><span lang="EN-US">(</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">汽輪機(jī)凝汽器</span><span style="font-family:'Times New Roman';"><span lang="EN-US">)304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管換熱管規(guī)格：直徑</span><span style="font-family:'Times New Roman';"><span lang="EN-US">Ф12</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">～</span><span style="font-family:'Times New Roman';"><span lang="EN-US">Ф76mm</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">，壁厚</span><span style="font-family:'Times New Roman';"><span lang="EN-US">0.2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">～</span><span style="font-family:'Times New Roman';"><span lang="EN-US">3.0mm</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">，長度分定尺和不定尺兩種。常用的材質(zhì)不鏽鋼管型號有：</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304L</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、</span><span style="font-family:'Times New Roman';"><span lang="EN-US">316</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、</span><span style="font-family:'Times New Roman';"><span lang="EN-US">316L</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、</span><span style="font-family:'Times New Roman';"><span lang="EN-US">317</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、</span><span style="font-family:'Times New Roman';"><span lang="EN-US">317L</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">。</span></span><span style="font-family:'Times New Roman';"><span lang="EN-US"><span style="font-size:small;">&nbsp;<br /> </span><span style="font-size:small;"> </span></span></span><span style="font-size:small;"><a href="http://www.meiya025.com/timemodel/product/2017-03-16/2042074761.html" target="_blank"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">西安</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span></a><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><a href="http://www.meiya025.com/timemodel/product/2017-03-16/2042074761.html" target="_blank">不鏽鋼管換熱管</a>是引進(jìn)進(jìn)口製管設(shè)備製造而成，質(zhì)量與進(jìn)口不鏽鋼管材相當(dāng)或略強(qiáng)，焊縫金相組織與母材一樣，強(qiáng)度等機(jī)械性能略好。由於不鏽鋼管帶材厚薄均勻，表麵光滑平整，其質(zhì)量確比同種材質(zhì)的冷撥、熱軋無縫不鏽鋼管好。延伸率大於</span><span style="font-family:'Times New Roman';"><span lang="EN-US">35%</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">，並且硬度小，易於脹接。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">西安</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管換熱管分類規(guī)格：不鏽鋼光管</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼螺紋管</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼波紋管</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,201</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼螺紋管</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,304</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼螺紋管</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,316L</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼螺紋管</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼</span><span style="font-family:'Times New Roman';"><span lang="EN-US">U</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">形管</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼翅片管等</span><span style="font-family:'Times New Roman';"><span lang="EN-US">, </span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">我公司自行開發(fā)研製的不鏽鋼管換熱管是選用進(jìn)口上等不鏽鋼鋼管，不鏽鋼帶材，冷拉、熱拉成形及帶鋼，經(jīng)過卷製、焊接、探傷、滾壓、打磨、固熔、拋光等一條龍</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管、</span><span style="font-family:'Times New Roman';"><span lang="EN-US">316L</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管生產(chǎn)線加工而成；可根據(jù)用戶的實際需要，生產(chǎn)不同管徑、壁厚、長度形式等各種不鏽鋼管規(guī)格的管材。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><a href="http://www.meiya025.com" target="_blank">西安華達(dá)不鏽鋼有限公司</a>簿壁</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼光管具有以下優(yōu)點(diǎn)：</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">1.</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">凝汽器</span><span style="font-family:'Times New Roman';"><span lang="EN-US">(</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">汽輪機(jī)凝汽器</span><span style="font-family:'Times New Roman';"><span lang="EN-US">)304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管換熱管傳熱性能好，由於不鏽鋼管壁可采用</span><span style="font-family:'Times New Roman';"><span lang="EN-US">0.5-0.7mm</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">的薄壁不鏽鋼管材，提高了整體換熱性能，在相同的換熱麵積下，總體的</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管換熱管傳熱係數(shù)比銅管提高</span><span style="font-family:'Times New Roman';"><span lang="EN-US">2.124-8.408</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">％。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">2.</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">由於</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管換熱管材質(zhì)采用美國標(biāo)準(zhǔn)</span><span style="font-family:'Times New Roman';"><span lang="EN-US">AISl304</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、</span><span style="font-family:'Times New Roman';"><span lang="EN-US">316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">等上等不鏽合金鋼，使其具有較高的硬度，不鏽鋼管子的鋼度也明顯提高。因此，具有很強(qiáng)的耐高溫蒸汽的衝擊性能及抗振性能。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">3.</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">由於</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管子內(nèi)壁光滑，使得其邊界層流底層厚度減薄，既強(qiáng)化換熱，又提高了抗結(jié)垢性能。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">4.</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">裝凝汽器</span><span style="font-family:'Times New Roman';"><span lang="EN-US">(</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">汽輪機(jī)凝汽器</span><span style="font-family:'Times New Roman';"><span lang="EN-US">)304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><a href="http://www.meiya025.com" target="_blank">不鏽鋼管換熱管</a>工藝性能好，采用傳統(tǒng)的脹管工藝，</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管換熱管外徑公差與銅管一致，不需改變管板孔的加工公差，利於現(xiàn)場直接選用，特彆方便老機(jī)組的</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管換熱管更換管束改造。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">5.304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管換熱管經(jīng)濟(jì)實惠，在同等換熱麵積下，不鏽鋼管的成本約為銅管成本的</span><span style="font-family:'Times New Roman';"><span lang="EN-US">80</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">％左右，並可直接進(jìn)行更換管束改造。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">6.</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">為了消除</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管換熱管焊接應(yīng)力，在保護(hù)氣體中以</span><span style="font-family:'Times New Roman';"><span lang="EN-US">1050</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">℃高溫進(jìn)行熱處理。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">7.</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">所有</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304/316l</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管換熱管鋼管均采用壓差法進(jìn)行泄漏檢查，氣壓試驗至</span><span style="font-family:'Times New Roman';"><span lang="EN-US">1.0Mpa</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">，</span><span style="font-family:'Times New Roman';"><span lang="EN-US">5</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">分鐘無壓降。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span>