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發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務(wù)平臺 </span><div id="dxskq3z" class="searchbox"><div id="31hbdc8" class="searchLt"><div id="quryazq" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="zjgs8df" class="clearfix searchWrap"><div id="dsprlmo" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="8n83wsp" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a 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src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543105469/7193037.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="r8wipgi" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543105469/7193037.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="q8acjlc" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>貴州用于測溫?zé)犭娕急Ｗo管廠家直銷</p><p><span>***更新：</span>2020-05-30 00:13:14</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="lfxu3ah" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">鄒平縣奧翔硅碳制品有限公司</a></p><p><span>聯(lián)系人：</span>張洪恩</p><p><span>郵箱: </span>13884861614@163.com</p><p><span>電話: </span>13884861614</p><p><span>傳真: </span>0543_4534117</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0543-4533667</p><p><span>地址: </span>山東省鄒平市臨池鎮(zhèn)望京村</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="mb72kco" class="page-proshow02"><p class="title">詳細說明</p><div id="8pjvceq" class="box"><p><p style="text-indent:25px">熱電偶測溫時，存在著復(fù)雜的熱交換過程。由于溫度的多次傳遞，測量端的溫度并不與被測介質(zhì)溫度完全一致，因此產(chǎn)生測量誤差，貴州用于測溫?zé)犭娕急Ｗo管廠家直銷?？朔椒ㄓ袃煞N：一是確定傳遞誤差的大小，進行修正。二是采取措施，使傳熱誤差減小到允許范圍內(nèi)。輻射誤差解決方法：在管壁外面敷設(shè)絕熱層，減小管壁與被測介質(zhì)的溫差。減小保護管的外徑以及保護管、熱電極的黑度(輻射)系數(shù)，貴州用于測溫?zé)犭娕急Ｗo管廠家直銷。在熱電偶管壁間加裝防輻射罩，以減小之間的直接輻射。增加被測介質(zhì)流經(jīng)熱電偶測量端的流速，增加對流傳熱，貴州用于測溫?zé)犭娕急Ｗo管廠家直銷。安裝不正確引入的誤差：熱電偶的安裝是否正確合理，對測量結(jié)果有著重要影響。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州用于測溫?zé)犭娕急Ｗo管廠家直銷" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543105469/7193037.jpg"></div><p> 所以在選取表袋直徑的時候，既要合理保證套管的強度，又要盡可能錯開共振危險區(qū)。改變橫截面形狀，將其表面加工成結(jié)構(gòu)型式，使流體不產(chǎn)生漩渦脫落現(xiàn)象。嚴(yán)格控制檢修質(zhì)量，做好熱電偶套管材質(zhì)檢查，同時還要做好探傷檢查，嚴(yán)防焊口裂縫、斷裂等異常事件的發(fā)生。系統(tǒng)投運時，避免發(fā)生管道上閥門突然全開情況。在剛投運開啟閥門的瞬間，熱電偶套管將承受很大的單向力，因此在系統(tǒng)剛投運時，要緩慢地開啟閥門，讓系統(tǒng)壓力逐漸上升，盡可能減小熱電偶套管正面和背面的壓力差，避免套管因單向受力過大而導(dǎo)致套管斷裂事件發(fā)生。熱電偶在使用難免會發(fā)生套管破裂的現(xiàn)象，會直接影響到可靠的安全運行。通過對熱電偶套管破裂現(xiàn)象的調(diào)查，查找原因。發(fā)現(xiàn)導(dǎo)致熱電偶套管破裂的原因主要有以下幾個方面：熱電偶套管受高速流體沖擊，載負過大，應(yīng)力超過極限，導(dǎo)致套管破裂;熱電偶套管本身的加工缺點，導(dǎo)致應(yīng)力集中，容易造成套管斷裂;管道振動過大，造成熱電偶套管疲勞損壞;流體流經(jīng)熱電偶套管時，誘發(fā)熱電偶套管振動，即熱電偶套管固有頻率和流體旋渦脫落頻率產(chǎn)生共振。這種共振現(xiàn)象會導(dǎo)致熱電偶套管損壞速度加快，以致斷裂。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州用于測溫?zé)犭娕急Ｗo管廠家直銷" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_7800625.jpg"></div><p> 熱電偶保護管具有高溫耐蝕性，通常為一般耐熱鋼來使用304低碳含量，具有良好耐晶間腐蝕性，通常作為一般耐熱鋼使用316低碳含量，具有良好耐晶間腐蝕性，通常作為源耐熱鋼使用316L**碳含量，具有良好耐晶間腐蝕性，通常作為耐熱鋼使用310S具有高溫抗氧化性，耐腐蝕性，通常作為耐熱鋼使用GH3030鎳基高溫合金，具有優(yōu)良抗氧化性，耐腐蝕性。GH3039鎳基高溫合金，具有優(yōu)良抗氧化性，耐腐蝕性。Incoloy800具有優(yōu)良抗氧化性，耐腐蝕性。Incoloy800H具有優(yōu)良抗氧化性，耐腐蝕性。高溫抗氧化、炭化和氮化能力強。Inconel600具有優(yōu)良抗氧化性，耐腐蝕性。HastelloyC-276哈氏C276合金在氯化物溶液，海水多種有機酸和無機酸、濕氯氣、氟硅zhidao酸、次氯酸、次氯酸鹽等許多強腐蝕介質(zhì)中有較好的穩(wěn)定性。HastelloyB-2哈氏B合金具有優(yōu)良的耐還原性介質(zhì)腐蝕能力，是相當(dāng)?shù)哪虷Cl、H2SO4腐蝕合金之一，在各種濃度的H3PO4，蟻酸、氫氟酸、礦物酸、氯化物水溶液中有較好的穩(wěn)定性。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州用于測溫?zé)犭娕急Ｗo管廠家直銷" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543076172/4389885.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/80294.html</p></div></div></div></div></div><div id="sm2ahtl" class="page-right twoColRt"><div id="hrj22a2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lkh8eqs" 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