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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>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>黑龍江鋁行業(yè)熱電偶保護(hù)管價(jià)格</p><p><span>***更新：</span>2020-05-22 17:26:11</p><p><span id="click" >瀏覽次數(shù)：10次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="vwardpe" 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="fztk7fr" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="yn8fuqs" class="box"><p><p> 非金屬：多在1000℃以上溫度測量時(shí)采用，耐熱性能好，震性差、導(dǎo)熱性差。3金屬陶瓷：由于金屬材料機(jī)械強(qiáng)度高，但不耐高溫；非金屬材料耐高溫，但機(jī)械強(qiáng)度低。用粉末冶金的方法制成金屬陶瓷保護(hù)管，即有耐高溫的性能又有較好的機(jī)械強(qiáng)度，有很好的應(yīng)用前景，可普遍地用于鋼水、鐵水及高溫鹽浴爐等惡劣的環(huán)境。熱電偶保護(hù)管在高溫狀態(tài)下作酸化劑1、可耐受高溫3000℉而材料強(qiáng)度不會有明顯降低2、良好的抗熱震性3、普遍的耐蝕性。產(chǎn)品耐酸堿腐蝕。碳化硅保護(hù)管是國內(nèi)化工行業(yè)的理想替代品，碳化硅保護(hù)管它的高熱導(dǎo)系數(shù)是不銹鋼的五倍5、特殊的耐磨性——是碳化鎢的，自控裝置具有隨溫度的設(shè)定值自動選擇運(yùn)轉(zhuǎn)制冷回路的性能，實(shí)現(xiàn)高溫狀態(tài)下直接啟動制冷機(jī)，直接降溫。5、內(nèi)門裝有大觀察窗，可方便觀察供試樣品的試驗(yàn)狀態(tài)。6．裝有先進(jìn)的安全、保護(hù)裝置－漏電斷路器，黑龍江鋁行業(yè)熱電偶保護(hù)管價(jià)格、超溫保護(hù)器，缺相保護(hù)器，黑龍江鋁行業(yè)熱電偶保護(hù)管價(jià)格，斷水保護(hù)器本系列產(chǎn)品由高低溫（濕熱）試驗(yàn)箱和電動振動臺復(fù)合組成。熱電偶保護(hù)管機(jī)械強(qiáng)度高，導(dǎo)熱性能好，黑龍江鋁行業(yè)熱電偶保護(hù)管價(jià)格，應(yīng)用非常普遍。非金屬：多在1000℃以上溫度測量時(shí)采用，耐熱性能好，震性差，導(dǎo)熱性差。金屬陶瓷：由于金屬材料機(jī)械強(qiáng)度高，但不耐高溫；非金屬材料耐高溫，但機(jī)械強(qiáng)度低。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江鋁行業(yè)熱電偶保護(hù)管價(jià)格" 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，又要盡可能錯開共振危險(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)生管道上閥門突然全開情況。在剛投運(yùn)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(yùn)時(shí)，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(yùn)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(fù)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(diǎn)，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(shí)，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="黑龍江鋁行業(yè)熱電偶保護(hù)管價(jià)格" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998420287768645_zbwuzi_5855056.jpg"></div><p> 多點(diǎn)式熱電偶。多支不同長度的熱電偶感溫元件，用多孔的絕緣管組裝而成。適合于化工生產(chǎn)中反應(yīng)器不同高度的幾何溫度測量，如合成塔不同位置的溫度。隔爆型熱電偶。隔爆型熱電偶基本參數(shù)與普通型熱電偶一樣，區(qū)別在于采用了防爆結(jié)構(gòu)的接線盒。當(dāng)生產(chǎn)現(xiàn)場存在易燃易爆氣體的條件下必須使用隔爆型熱電偶。表面型熱電偶。表面型熱電偶是利用真空鍍膜法將兩電極材料蒸鍍在絕緣基底上的薄膜熱電偶，專門用于測量各種形狀的固體表面溫度，如測量軸承、軋錕等表面溫度、測量設(shè)備或高壓容器的表面溫度等。反應(yīng)速度極快，熱慣性極小，可作為一種便攜式測溫計(jì)。此外還有一些特殊場合用熱電偶，如耐磨熱電偶、適用于流化床中測量床層溫度，能經(jīng)受催化劑的沖刷、摩擦。在超高溫（大于2000℃）場合可選用碳-碳化硅熱電偶（比較高測溫可達(dá)2700℃）和鎢鋅熱電偶（比較高測溫可達(dá)2800℃）。在**溫（低于-200℃以下）場合可選金鈦-鎳鉻熱電偶-金鐵熱電偶，這種電偶低溫穩(wěn)定性好，靈敏度高，比較低測溫可達(dá)-271℃，主要用于宇航及超導(dǎo)等**溫過程。熱電偶直接測量溫度，并把溫度信號轉(zhuǎn)換成熱電動勢信號，通過電氣儀表（二次儀表）轉(zhuǎn)換成被測介質(zhì)的溫度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江鋁行業(yè)熱電偶保護(hù)管價(jià)格" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610542988281/7120477.jpg"></div></p><br /><p>文章來源地址: 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