廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商鄒平奧翔硅碳供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="熱電偶測(cè)溫時(shí)，存在著復(fù)雜的熱交換過(guò)程。由于溫度的多次傳遞，測(cè)量端的溫度并不與被測(cè)介質(zhì)溫度完全一致，因此產(chǎn)生測(cè)量誤差。克服方法有兩種：一是確定傳遞誤差的大小，進(jìn)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)"><meta name="keywords" content="廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商,熱電偶保護(hù)管"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_4882160.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="irlskzv" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_4882160.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7n8fetk" 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>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>廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商,熱電偶保護(hù)管</p><p><span>***更新：</span>2020-08-10 22:02:57</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="ohwsz8y" 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(jī): </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="ha9if4o" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="wkjqshd" class="box"><p><p style="text-indent:25px">熱電偶測(cè)溫時(shí)，存在著復(fù)雜的熱交換過(guò)程。由于溫度的多次傳遞，測(cè)量端的溫度并不與被測(cè)介質(zhì)溫度完全一致，因此產(chǎn)生測(cè)量誤差?？朔椒ㄓ袃煞N：一是確定傳遞誤差的大小，進(jìn)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(cè)介質(zhì)的溫差。減小保護(hù)管的外徑以及保護(hù)管、熱電極的黑度(輻射)系數(shù)。在熱電偶管壁間加裝防輻射罩，廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商，廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商，廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商，以減小之間的直接輻射。增加被測(cè)介質(zhì)流經(jīng)熱電偶測(cè)量端的流速，增加對(duì)流傳熱。安裝不正確引入的誤差：熱電偶的安裝是否正確合理，對(duì)測(cè)量結(jié)果有著重要影響。奧翔硅碳有著質(zhì)量的服務(wù)質(zhì)量和極高的信用等級(jí)。廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商,熱電偶保護(hù)管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287924804_zbwuzi_4882160.JPG"></div><p style="text-indent:25px">選擇熱電偶要根據(jù)使用溫度范圍、所需精度、使用氣氛、測(cè)定對(duì)象的性能、響應(yīng)時(shí)間和經(jīng)濟(jì)效益等綜合考慮。 1、測(cè)量精度和溫度測(cè)量范圍的選擇使用溫度在1300~1800℃，要求精度又比較高時(shí)，一般選用B型熱電偶；要求精度不高，氣氛又允許可用鎢錸熱電偶，高于1800℃一般選用鎢錸熱電偶；使用溫度在1000~1300℃要求精度又比較高可用S型熱電偶和N型熱電偶；在1000℃以下一般用K型熱電偶和N型熱電偶，低于400℃一般用E型熱電偶；250℃下以及負(fù)溫測(cè)量一般用T型電偶，在低溫時(shí)T型熱電偶穩(wěn)定而且精度高。 2、使用氣氛的選擇 S型、B型、K型熱電偶適合于強(qiáng)的氧化和弱的還原氣氛中使用，J型和T型熱電偶適合于弱氧化和還原氣氛，若使用氣密性比較好的保護(hù)管，對(duì)氣氛的要求就不太嚴(yán)格。 3、耐久性及熱響應(yīng)性的選擇線徑大的熱電偶耐久性好，但響應(yīng)較慢一些，對(duì)于熱容量大的熱電偶，響應(yīng)就慢，測(cè)量梯度大的溫度時(shí)，在溫度控制的情況下，控溫就差。要求響應(yīng)時(shí)間快又要求有一定的耐久性，選擇鎧裝偶比較合適。 4、測(cè)量對(duì)象的性質(zhì)和狀態(tài)對(duì)熱電偶的選擇運(yùn)動(dòng)物體、振動(dòng)物體、高壓容器的測(cè)溫要求機(jī)械強(qiáng)度高，有化學(xué)污染的氣氛要求有保護(hù)管，有電氣干擾的情況下要求絕緣比較高。廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商奧翔硅碳產(chǎn)品適用范圍廣，產(chǎn)品規(guī)格齊全，歡迎咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商,熱電偶保護(hù)管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610542988281/9314741.jpg"></div><p> 必須在測(cè)量元件上加保護(hù)外套。熱電偶/熱電阻的安裝部位還應(yīng)考慮其拆裝、維修、校驗(yàn)的足夠空間和場(chǎng)地，具有較長(zhǎng)保護(hù)管的熱電偶、熱電阻應(yīng)能方便地拆裝。主要分類(lèi):1、按固定裝置型式分類(lèi)熱電偶作為主要測(cè)溫手段，用途十分普遍，因而對(duì)固定裝置和技術(shù)性能有多種要求，因此熱電偶的固定裝置分為六種：無(wú)固定裝置式、螺紋式、固定法蘭式、活動(dòng)法蘭式、活動(dòng)法蘭角尺形式、錐形保護(hù)管式六種。2、按裝配及結(jié)構(gòu)方式分類(lèi)根據(jù)熱電偶的性能結(jié)構(gòu)方式可分為：可拆卸式熱電偶、隔爆式熱電偶、鎧裝熱電偶和壓彈簧固定式熱電偶等特殊用途的熱電偶。對(duì)熱電偶與熱電阻的安裝，應(yīng)注意有利于測(cè)溫準(zhǔn)確，熱電偶（圖6）熱電偶（圖6）安全可靠及維修方便，而且不影響設(shè)備運(yùn)行和生產(chǎn)操作.要滿足以上要求，在選擇對(duì)熱電偶和熱電阻的安裝部位和插入深度時(shí)要注意以下幾點(diǎn)：1、為了使熱電偶和熱電阻的測(cè)量端與被測(cè)介質(zhì)之間有充分的熱交換，應(yīng)合理選擇測(cè)點(diǎn)位置，盡量避免在閥門(mén)，彎頭及管道和設(shè)備的死角附近裝設(shè)熱電偶或熱電阻。2、帶有保護(hù)套管的熱電偶和熱電阻有傳熱和散熱損失，為了減少測(cè)量誤差，熱電偶和熱電阻應(yīng)該有足夠的插入深度：（1）對(duì)于測(cè)量管道中心流體溫度的熱電偶。</p><p> 熱電偶在工業(yè)生產(chǎn)和科學(xué)研究等領(lǐng)域中已成為應(yīng)用普遍的感溫元件。熱電偶保護(hù)套管材料的性能影響熱電偶長(zhǎng)期穩(wěn)定性、使用壽命等各項(xiàng)性能指標(biāo)。在高溫下工作的熱電偶，對(duì)其套管材料的要求更加嚴(yán)格。制作高溫條件下應(yīng)用的熱電偶保護(hù)套管，材料除具備普通熱電偶要求的氣密性、機(jī)械強(qiáng)度、穩(wěn)定性及導(dǎo)熱性外，還要求:耐高溫:在熱電偶溫度測(cè)量上限使用，不產(chǎn)生變質(zhì)和變形，在高溫下抗氧化性能好。熱強(qiáng)性:在熱電偶使用溫度下不軟化。耐蝕性:當(dāng)熱電偶保護(hù)套管必須浸入熔融金屬、玻璃、熔鹽及腐蝕性氣體中時(shí)，應(yīng)具有對(duì)這些介質(zhì)的耐蝕性。一定的耐溫度劇變的性能，抗熱震的綜合性能，熱導(dǎo)高，熱膨脹小。隨著科技的進(jìn)步，溫度測(cè)量技術(shù)得到迅速發(fā)展，已形成從點(diǎn)到線、由線到面;由表及里;從有線到無(wú)線的發(fā)展趨勢(shì)。在接觸式與非接觸式兩大類(lèi)產(chǎn)品中，量大面廣的接觸式熱電偶在現(xiàn)代技術(shù)發(fā)展中得到了快速的發(fā)展。熱電偶因其性能穩(wěn)定、準(zhǔn)確可靠、結(jié)構(gòu)簡(jiǎn)單、使用方便、測(cè)溫范圍廣、信號(hào)可遠(yuǎn)傳等優(yōu)點(diǎn)，在工業(yè)生產(chǎn)和科學(xué)研究等領(lǐng)域中已成為應(yīng)用普遍的感溫元件。在其測(cè)溫過(guò)程中，熱電偶保護(hù)套管發(fā)揮著重要作用。套管材料性能影響熱電偶的長(zhǎng)期穩(wěn)定性和使用壽命等各項(xiàng)性能指標(biāo)。奧翔硅碳公司狠抓產(chǎn)品質(zhì)量的提高，逐年立項(xiàng)對(duì)制造、檢測(cè)、試驗(yàn)裝置進(jìn)行技術(shù)改造。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商,熱電偶保護(hù)管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610543808594/2845025.jpg"></div><p> 所以在選取表袋直徑的時(shí)候，既要合理保證套管的強(qiáng)度，又要盡可能錯(cuò)開(kāi)共振危險(xiǎn)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(shí)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(yùn)時(shí)，避免發(fā)生管道上閥門(mén)突然全開(kāi)情況。在剛投運(yùn)開(kāi)啟閥門(mén)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(yùn)時(shí)，要緩慢地開(kāi)啟閥門(mén)，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(guò)大而導(dǎo)致套管斷裂事件發(fā)生。熱電偶在使用難免會(huì)發(fā)生套管破裂的現(xiàn)象，會(huì)直接影響到可靠的安全運(yùn)行。通過(guò)對(duì)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(gè)方面：熱電偶套管受高速流體沖擊，載負(fù)過(guò)大，應(yīng)力超過(guò)極限，導(dǎo)致套管破裂;熱電偶套管本身的加工缺點(diǎn)，導(dǎo)致應(yīng)力集中，容易造成套管斷裂;管道振動(dòng)過(guò)大，造成熱電偶套管疲勞損壞;流體流經(jīng)熱電偶套管時(shí)，誘發(fā)熱電偶套管振動(dòng)，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(huì)導(dǎo)致熱電偶套管損壞速度加快，以致斷裂。我公司將以優(yōu)良的產(chǎn)品，周到的服務(wù)與尊敬的用戶攜手并進(jìn)！淄博氮化硅熱電偶保護(hù)管廠</p><p style="text-indent:25px">奧翔硅碳從國(guó)內(nèi)外引進(jìn)了一大批先進(jìn)的設(shè)備，實(shí)現(xiàn)了工程設(shè)備的現(xiàn)代化。廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商</p><p> 熱電偶/熱電阻基礎(chǔ)知識(shí)詳解一、溫度與測(cè)溫1.溫度：是表征物體的冷熱程度的物理量，是七個(gè)基本物理量之一，是物體內(nèi)部分子無(wú)規(guī)則運(yùn)動(dòng)的宏觀反映。2.溫標(biāo)：即溫度的標(biāo)準(zhǔn)，是溫度高低的標(biāo)準(zhǔn)尺度，是溫度的數(shù)值表示方法。各種溫度計(jì)的數(shù)值都是由溫標(biāo)決定的。3.溫標(biāo)三要素：利用物質(zhì)的“相平衡溫度”為固定點(diǎn)刻在溫度計(jì)上，而固定點(diǎn)之間的溫度值則用理論推導(dǎo)的數(shù)學(xué)公式（又稱內(nèi)插方程）來(lái)表達(dá)。溫度計(jì)、固定點(diǎn)、內(nèi)插方程稱為溫標(biāo)三要素。4.常用固定點(diǎn)：水℃，錫℃，鋅℃，鋁℃，銅℃。5.華氏溫標(biāo)：1714年，規(guī)定水的凝固點(diǎn)為32度，水的沸點(diǎn)為212度，將這兩個(gè)固定點(diǎn)之間等分180格，每一格稱為華氏一度，用℉表示。6.攝氏溫標(biāo)：1742年，規(guī)定水的凝固點(diǎn)為0度，水的沸點(diǎn)為100度，將這兩個(gè)固定點(diǎn)之間等分100格，每一格稱為攝氏一度，用℃表示。它是應(yīng)用**廣的一種溫度標(biāo)準(zhǔn)。換算公式：℉=℃+32。7.熱力學(xué)溫標(biāo)：1848年英國(guó)科學(xué)家開(kāi)爾文提出了建立在熱力學(xué)第二定律基礎(chǔ)上的與測(cè)溫物質(zhì)性質(zhì)無(wú)關(guān)的溫標(biāo)，叫熱力學(xué)溫標(biāo)，用“K”表示。換算公式：℃=。8.零度：根據(jù)熱力學(xué)第三定律，零度就是理想氣體分子停止無(wú)規(guī)則運(yùn)動(dòng)而處于靜止?fàn)顟B(tài)，內(nèi)能為零，即“0”K。廣西碳化硅熱電偶保護(hù)管經(jīng)銷(xiāo)商</p><p style="text-indent:25px">鄒平縣奧翔硅碳制品有限公司創(chuàng)立于2002-03-27，總部位于山東省濱州市，是一家硅碳棒，硅碳管，熱電偶保護(hù)管。等直徑硅碳棒，U型硅碳棒，螺紋硅碳棒，碳化硅制品，碳化硅結(jié)合氮化硅，碳化硅保護(hù)管，氮化硅保護(hù)管，碳化硅窯具！硅碳棒夾具，粗端式硅碳棒。門(mén)型硅碳棒，槍型硅碳棒，升液管，輻射管的公司。鄒平奧翔硅碳供應(yīng)深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的[ "硅碳棒廠家", "碳化硅保護(hù)管", "熱電偶保護(hù)管", "碳化硅結(jié)合氮化硅" ]。公司終堅(jiān)持自主研發(fā)創(chuàng)新發(fā)展理念，不斷優(yōu)化的技術(shù)、產(chǎn)品為客戶帶來(lái)效益，目前年?duì)I業(yè)額達(dá)到50-100萬(wàn)元。鄒平奧翔硅碳供應(yīng)始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。海納百川，有容乃大，國(guó)內(nèi)外同行的智慧都是促使我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/874050.html</p></div></div></div></div></div><div id="ngvsuof" class="page-right twoColRt"><div id="ml4eb8m" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="d3lb788" 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)" 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