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class="searchLt"><div id="rdegcyk" 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(huì)</a></div><div id="3bjo7ab" class="clearfix searchWrap"><div id="d3fcqg3" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)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="t9bnop8" 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 href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a 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src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998424403378913_zbwuzi_3634741.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="a2gl3zq" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998424403378913_zbwuzi_3634741.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ivmfwie" 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>上海鋼廠氮化硅保護(hù)管供應(yīng)商,氮化硅保護(hù)管</p><p><span>***更新：</span>2020-07-09 16:23:07</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="wjfyj2s" 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="xfm8gwh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="aijsua7" class="box"><p><p>氮化硅結(jié)合碳化硅發(fā)熱體保護(hù)管：用于鋁液及玻璃液中，他有較好的導(dǎo)熱系數(shù)，耐腐蝕，耐壓力，壽命長(zhǎng)等。硅碳棒的型號(hào)還有：直棒、加粗式棒、U型棒、山形（三相）型棒、單螺紋棒、雙螺紋棒、槽型棒等，還可根據(jù)客戶的要求訂做各種異型制品。硅碳棒注意事項(xiàng)：硅碳棒質(zhì)地硬而脆，受到劇烈震動(dòng)和撞擊容易斷裂。因此運(yùn)輸時(shí)要格外小心，搬運(yùn)時(shí)要輕拿輕放；硅碳棒發(fā)熱部的長(zhǎng)度應(yīng)該等于爐膛的寬度。如果發(fā)熱部伸入爐墻內(nèi)，容易燒損爐墻；硅碳棒冷端部的長(zhǎng)度應(yīng)該等于爐墻厚度加上冷端伸出爐墻的長(zhǎng)度。一般冷端部伸出長(zhǎng)度為50～150mm，以便冷卻冷端部及連接卡具；穿硅碳棒的爐子的內(nèi)徑應(yīng)是冷端部外徑的～，爐孔過小或孔內(nèi)填充物塞得過緊，高溫時(shí)會(huì)阻礙硅碳棒自由伸縮而導(dǎo)致斷棒。安裝時(shí)，應(yīng)該使硅碳棒能夠自由轉(zhuǎn)動(dòng)360度；硅碳棒與被加熱物及爐墻的距離應(yīng)大于或等于發(fā)熱部直徑的3倍，上海鋼廠氮化硅保護(hù)管供應(yīng)商。硅碳棒與硅碳棒之間的中心距應(yīng)不小于其發(fā)熱部直徑的4倍；硅碳棒冷端部與主電路用鋁辮或鋁箔連接。冷端部的夾具要卡緊；新建爐或長(zhǎng)時(shí)間不使用的電爐在使用前要進(jìn)行烘爐，應(yīng)采用舊棒或其它熱源烘爐；硅碳棒存放時(shí)要防止受潮。因?yàn)槭艹焙笕菀资估涠瞬夸X層分解、脫落，上海鋼廠氮化硅保護(hù)管供應(yīng)商，上海鋼廠氮化硅保護(hù)管供應(yīng)商，導(dǎo)致冷端部與卡具接觸電阻增大。奧翔硅碳交通便利，地理位置優(yōu)越。上海鋼廠氮化硅保護(hù)管供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海鋼廠氮化硅保護(hù)管供應(yīng)商,氮化硅保護(hù)管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998424403378913_zbwuzi_3634741.jpg"></div><p style="text-indent:25px">氮化硅制品按工藝可以分為反應(yīng)燒結(jié)制品、熱壓制品、常壓燒結(jié)制品、等靜壓燒結(jié)制品和反應(yīng)重?zé)破返?。其中，反?yīng)燒結(jié)是一種常用的生產(chǎn)氮化硅耐火制品的方法。反應(yīng)燒結(jié)法生產(chǎn)氮化硅制品是將磨細(xì)的硅粉（粒度一般小于80μm），用機(jī)壓或等靜壓成型，坯體干燥后，在氮?dú)庵屑訜嶂?350～1400℃，在燒成過程中同時(shí)氮化而制得。采用這種生產(chǎn)方法，原料條件和燒成工藝及氣氛條件對(duì)制品的性能有很大的影響。硅粉中含有許多雜質(zhì)，如Fe，Ca，Aì，Ti等。Fe被認(rèn)為是反應(yīng)過程中的催化劑。它能促進(jìn)硅的擴(kuò)散，但同時(shí)，也將造成氣孔等缺點(diǎn)。Fe作為添加劑的主要作用：在反應(yīng)過程中可作催化劑，促使制品表面生成SiO2氧化膜；形成鐵硅熔系，氮溶解在液態(tài)FeSi2中，促進(jìn)β-Si3N4的生成。但鐵顆粒過大或含量過高，制品中也會(huì)出現(xiàn)氣孔等缺點(diǎn)，降低性能。一般鐵的加入量為0～5%。Al，Ca，Ti等雜質(zhì)，易與硅形成低共熔物。適當(dāng)?shù)奶砑恿浚梢源龠M(jìn)燒結(jié)，提高制品的性能。硅粉的粒度越細(xì)，比表面積越大，則可降低燒成溫度。粒度較細(xì)的硅粉與粒度較粗的硅粉相比，制品中含α- Si3N4的量增高。降低硅粉的粒徑，可以降**品的顯微氣孔尺寸。適當(dāng)?shù)牧６扰浔?，可以提高制品密度?溫度對(duì)氮化速率影響很大。北京鋅液氮化硅保護(hù)管生產(chǎn)廠家以客戶至上為理念，為客戶提供咨詢服務(wù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海鋼廠氮化硅保護(hù)管供應(yīng)商,氮化硅保護(hù)管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998424403378913_zbwuzi_7753144.JPG"></div><p>產(chǎn)品簡(jiǎn)介：氮化硅是一種結(jié)構(gòu)陶瓷材料，具有良好的抗折強(qiáng)度和抗氧化性能，比較高使用溫度高達(dá)1500攝氏度，還具有良好的耐磨性能和對(duì)金屬溶液的抗腐蝕性能，所以氮化硅熱電偶保護(hù)管可以直接與鋁、鋅、銅。氮化硅熱電偶保護(hù)管鋁液、金屬熔液測(cè)溫用陶瓷保護(hù)管熱電偶是應(yīng)用較的測(cè)溫傳感器，而熱電偶的長(zhǎng)期穩(wěn)定性、使用壽命等各項(xiàng)性能指標(biāo)都與保護(hù)管密切相關(guān)。氮化硅陶瓷保護(hù)管與熱電偶配套使用，起到保護(hù)熱電偶。氮化硅發(fā)熱體保護(hù)管工藝成型：等靜壓；燒結(jié)：反應(yīng)燒結(jié)、氣壓高溫?zé)Y(jié)特點(diǎn)1）強(qiáng)度高、致密性好。2）較低的熱膨脹系數(shù)。3）優(yōu)異的抗熱沖擊性能.4）與鋁熔液等有色金屬熔液不浸潤。5）良好的耐腐蝕性壓鑄。氮化硅熱電偶保護(hù)管、鋁液加熱保護(hù)管等。采用高純氮化硅結(jié)氣氛燒結(jié)工藝。具有良好的導(dǎo)熱性、抗熱振性和耐磨性、耐腐蝕性強(qiáng)、抗沖刷、無污染等特點(diǎn)。較高使用溫度達(dá)1450度。用于鋁液、銅液、鋅液等有色金屬的。氮化硅發(fā)熱體保護(hù)管鋁液、金屬熔液恒溫用發(fā)熱體保護(hù)管壓鑄過程中溫度控制是獲得優(yōu)良鑄件的重要因素，為了將熔液控制在較佳澆注溫度，采用發(fā)熱體來恒定溫度。</p><p> <br /> </p> <p> 氮化硅的強(qiáng)度很高，尤其是熱壓氮化硅，是世界上**堅(jiān)硬的物質(zhì)之一。它極耐高溫，強(qiáng)度一直可以維持到1200℃的高溫而不下降，受熱后不會(huì)熔成融體，一直到1900℃才會(huì)分解，并有驚人的耐化學(xué)腐蝕性能，能耐幾乎所有的無機(jī)酸和30%以下的燒堿溶液，也能耐很多有機(jī)酸的腐蝕；同時(shí)又是一種高性能電絕緣材料。氮化硅-性質(zhì)化學(xué)式Si3N4。白色粉狀晶體;熔點(diǎn)1900℃,密度3.44克/厘米(20℃)；有兩種變體：α型為六方密堆積結(jié)構(gòu)；β型為似晶石結(jié)構(gòu)。氮化硅有雜質(zhì)或過量硅時(shí)呈灰色。主要應(yīng)用于高溫行業(yè)。其中碳化硅保護(hù)管占了主要的位置。 </p> <p> <br /> </p> <p> <br /> 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)！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海鋼廠氮化硅保護(hù)管供應(yīng)商,氮化硅保護(hù)管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998424404004729_zbwuzi_4901460.jpg"></div><p> 氮化硅是由硅元素和氮元素構(gòu)成的化合物。在氮?dú)鈿夥障?，將單質(zhì)硅的粉末加熱到1300-1400°C之間，硅粉末樣品的重量隨著硅單質(zhì)與氮?dú)獾姆磻?yīng)遞增。在沒有鐵催化劑的情況下，約7個(gè)小時(shí)后硅粉樣品的重量不再增加，此時(shí)反應(yīng)完成生成Si3N4。除了Si3N4外，還有其他幾種硅的氮化物（根據(jù)氮化程度和硅的氧化態(tài)所確定的相對(duì)應(yīng)化學(xué)式）也已被文獻(xiàn)所報(bào)道。比如氣態(tài)的一氮化二硅（Si2N）、一氮化硅（SiN）和三氮化二硅（Si2N3)。這些化合物的高溫合成方法取決于不同的反應(yīng)條件（比如反應(yīng)時(shí)間、溫度、起始原料包括反應(yīng)物和反應(yīng)容器的材料）以及純化的方法。Si3N4是硅的氮化物中化學(xué)性質(zhì)**為穩(wěn)定的（*能被稀的HF和熱的H2SO4分解），也是所有硅的氮化物中熱力學(xué)**穩(wěn)定的。所以一般提及“氮化硅”時(shí)，其所指的就是Si3N4。它也是硅的氮化物中**重要的化合物商品。在很寬的溫度范圍內(nèi)氮化硅都是一種具有一定的熱導(dǎo)率、低熱膨脹系數(shù)、彈性模量較高的**度硬陶瓷。不同于一般的陶瓷，它的斷裂韌性高。這些性質(zhì)結(jié)合起來使它具有優(yōu)良的耐熱沖擊性能，能夠在高溫下承受高結(jié)構(gòu)載荷并具備優(yōu)異的耐磨損性能。常用于需要高耐用性和高溫環(huán)境下的用途，諸如氣輪機(jī)、汽車引擎零件、軸承和金屬切割加工零件。奧翔硅碳尊崇團(tuán)結(jié)、信譽(yù)、勤奮。上海鋼廠氮化硅保護(hù)管供應(yīng)商</p><p style="text-indent:25px">奧翔硅碳用先進(jìn)的生產(chǎn)工藝和規(guī)范的質(zhì)量管理，打造優(yōu)良的產(chǎn)品！上海鋼廠氮化硅保護(hù)管供應(yīng)商</p><p>熱電偶保護(hù)管是保護(hù)熱電偶芯的套管：1、熱電偶（thermocouple）是溫度測(cè)量?jī)x表中常用的測(cè)溫元件，它直接測(cè)量溫度，并把溫度信號(hào)轉(zhuǎn)換成熱電動(dòng)勢(shì)信號(hào)，通過電氣儀表（二次儀表）轉(zhuǎn)換成被測(cè)介質(zhì)的溫度。2、各種熱電偶的外形常因需要而極不相同，但是它們的基本結(jié)構(gòu)卻大致相同，通常由熱電極、絕緣套保護(hù)管和接線盒等主要部分組成，通常和顯示儀表、記錄儀表及電子調(diào)節(jié)器配套使用。產(chǎn)品名稱：氮化硅管/氮化硅保護(hù)管/保護(hù)套筒/熱電偶保護(hù)管氮化硅，化學(xué)式si3n4。白色粉狀晶體;熔點(diǎn)1900℃，密度(20℃);氮化硅與水幾乎不發(fā)生作用;在濃強(qiáng)酸溶液中緩慢水解生成銨鹽和二氧化硅;易溶于氫氟酸，氮化硅管/氮化硅保護(hù)管/氮化硅保護(hù)套筒/氮化硅加熱套筒，與稀酸不起作用。濃強(qiáng)堿溶液能緩慢腐蝕氮化硅，熔融的強(qiáng)堿能很快使氮化硅轉(zhuǎn)變?yōu)楣杷猁}和氨。氮化硅在600℃以上能使過渡金屬(見過渡元素)氧化物、氧化鉛、氧化鋅和二--等還原，并放出氧化氮和二氧化氮。氮化硅發(fā)熱體保護(hù)管-鋁液、金屬熔液恒溫用發(fā)熱體保護(hù)管壓鑄過程中溫度控制是獲得優(yōu)良鑄件的重要因素，為了將熔液控制在較佳澆注溫度，采用發(fā)熱體來恒定溫度。上海鋼廠氮化硅保護(hù)管供應(yīng)商</p><p style="text-indent:25px">鄒平縣奧翔硅碳制品有限公司創(chuàng)建于2002-03-27，注冊(cè)資金 50-100萬元，是一家專注硅碳棒，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。門型硅碳棒，槍型硅碳棒，升液管，輻射管的公司。目前我公司在職員工達(dá)到51~100人人，是一個(gè)有活力有能力有創(chuàng)新精神的高效團(tuán)隊(duì)。公司業(yè)務(wù)范圍主要包括：[ "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" ]等。公司奉行顧客至上、質(zhì)量為首、的經(jīng)營宗旨，深受客戶好評(píng)。公司憑著雄厚的技術(shù)力量、飽滿的工作態(tài)度、扎實(shí)的工作作風(fēng)、良好的職業(yè)道德，樹立了優(yōu)良的[ "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" ]形象，贏得了社會(huì)各界的信任和認(rèn)可。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/548470.html</p></div></div></div></div></div><div id="cyabija" class="page-right twoColRt"><div id="gzagscs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3n3wl83" 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" 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