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id="yhjlabt" class="proBig"><div id="uebtnj8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611795791015/2165426.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lprtaxr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611795791015/2165426.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="et7oqx8" 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>廣西碳化硅陶瓷升液管廠價直銷,升液管</p><p><span>***更新：</span>2020-08-09 16:01:30</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="3gfw8hr" 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="nwt8pos" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="l77wyfc" class="box"><p><p> 低壓鑄造是將鑄型放在一個密閉的爐子上面，型腔的下面用一個管(叫升液管)和爐膛里的金屬液相通。如果在爐膛中金屬液面上加入帶壓力的空氣，廣西碳化硅陶瓷升液管廠價直銷，金屬液會從升液管中流入型腔。待金屬液凝固以后，將爐膛中的壓縮空氣釋放，未凝固的金屬從升液管中流回到爐中?？刂屏魅霠t膛空氣的壓力、速度,就可以控制金屬流入型腔中的速度和壓力，并能讓金屬在壓力下結(jié)晶凝固。這種工藝特點是鑄件在壓力下結(jié)晶，結(jié)構(gòu)致密，機械性能好，金屬利用率高。低壓鑄造工藝目前在中國大陸已經(jīng)相當(dāng)成熟，適合少人化生產(chǎn)管理，已經(jīng)被所有整車廠認(rèn)可是當(dāng)前中國大陸鋁合金輪轂制造業(yè)的主流工藝，廣西碳化硅陶瓷升液管廠價直銷，產(chǎn)品主要銷往OEM和海外零售市場。采用低壓鑄造工藝制造的鋁合金輪轂，由于輪輻是末端冷卻凝固的，所以部分特殊造型輪轂的輪輻易出現(xiàn)縮松等質(zhì)量問題，廣西碳化硅陶瓷升液管廠價直銷，而輪輞部分由于**早結(jié)晶則強度較好。公司實力雄厚，產(chǎn)品質(zhì)量可靠。廣西碳化硅陶瓷升液管廠價直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西碳化硅陶瓷升液管廠價直銷,升液管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611795791015/2165426.jpg"></div><p style="text-indent:25px">使用中注意因受氮化硅升液管材料自身特性的影響，需在一些方面應(yīng)多加以注意： 1.盡量減輕機械碰撞，特別是在搬運及安裝調(diào)試時，猛烈的撞擊和不均勻的受力，將**縮短升液管的壽命。 2.盡量減輕機械震動，特別是在熱狀態(tài)下，持續(xù)的受力和震動，將**縮短升液管的使用壽命。 3.盡量減輕溫差波動，特別是在急促升溫及降溫時，反復(fù)的熱沖擊將**縮短升液管的使用壽命。另外，機臺使用人員的操作水平，經(jīng)驗、熟練程度也非常大的影響了升液管的使用壽命。要想延長升液管的使用壽命，必須在各個環(huán)節(jié)上都要精心注意，嚴(yán)格把關(guān)持之以恒。廣西碳化硅陶瓷升液管廠價直銷奧翔硅碳在客戶和行業(yè)中樹立了良好的企業(yè)形象。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西碳化硅陶瓷升液管廠價直銷,升液管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611793261719/1330015.jpg"></div><p> 氮化硅升液管應(yīng)用于低壓鑄造保溫爐。中國作為當(dāng)代的制造大國，也是世界的制造中心，升液管作為低壓鑄造保溫爐的必需品，已經(jīng)經(jīng)過了幾代的材料“進(jìn)化”，從**初的金屬材料到陶瓷材料，從普通陶瓷材料到復(fù)合陶瓷材料。直到氮化硅升液管的出現(xiàn)，才基本解決了升液管使用中的幾大問題：1、耐腐蝕性，金屬材質(zhì)的升液管在高溫的金屬溶液里很容易被腐蝕掉，即便使用復(fù)合陶瓷的升液管，比如現(xiàn)在還大量使用的碳化硅材質(zhì)，腐蝕也非常嚴(yán)重，導(dǎo)致其使用壽命在1--2個月以內(nèi)。2、積瘤和掛渣，傳統(tǒng)升液管被腐蝕后，加上本身氣孔率較高，容易產(chǎn)生掛渣和積瘤現(xiàn)象，導(dǎo)致管道變窄甚至堵塞。3、保證產(chǎn)品的純度；升液管被腐蝕后，雜質(zhì)會被帶到產(chǎn)品中，所以目前金屬材質(zhì)的升液管只會在低端產(chǎn)品的生產(chǎn)上還會被使用；而碳化硅升液管的雜質(zhì)含量也嚴(yán)重影響到了產(chǎn)品品質(zhì)以及產(chǎn)業(yè)升級。氮化硅材質(zhì)的升液管，耐高溫、熱膨脹系數(shù)低（變形量少）、密封性好、通孔光滑、氣孔率低、不掛渣積瘤、不腐蝕、不會帶進(jìn)雜質(zhì)，很大提升了金屬產(chǎn)品的品質(zhì)。 </p> <p> <br /> </p><p> 升液管的技術(shù)領(lǐng)域，具體地說是一種氮化硅制作的低壓鑄造和真空吸鑄耐熱合金升液管的配方及其制備方法。背景技術(shù)：低壓鑄造和真快吸鑄是介于重力鑄造和壓力鑄造之間的一種鑄造方法，升液管是該技術(shù)的關(guān)鍵。目前低壓鑄造和真快吸鑄耐熱鋼所使用的升液管的壽命較低，抗熱疲勞和抗高溫氧化腐蝕較差，有的效果較好，但經(jīng)濟(jì)價格太昂貴，無法在生產(chǎn)上應(yīng)用。技術(shù)實現(xiàn)要素：本發(fā)明的目的在于提供一種改進(jìn)的氮化硅升液管的配方及其制備方法，它可克服現(xiàn)有技術(shù)中升液管壽命較低，抗熱疲勞和抗高溫氧化腐蝕較差的一些不足。為了實現(xiàn)上述目的，本發(fā)明的技術(shù)方案是：一種氮化硅升液管的配方，其特征在于：所述的升液管由氮化硅粉和助燒劑混合而成的粉體制成，其中助燒劑占氮化硅粉的質(zhì)量百分比為1％～9％。氮化硅粉由重量百分比為90％～95％的亞微米氮化硅粉和5％～10％的納米氮化硅粉混合組成。推薦的，所述的助燒劑為納米Al2O3和Y2O3。一種氮化硅升液管的制備方法，其特征在于：所述的制備方法包括如下步驟：a、將氮化硅粉和助燒劑混合后得到混合粉體，然后將混合粉體與無水乙醇混合，制成漿料；b、將得到的漿料進(jìn)行噴霧干燥造粒，經(jīng)出料得到粉粒體；c、將粉粒體填充于升液管模具后成型。奧翔硅碳傾城服務(wù)，確保產(chǎn)品質(zhì)量無后顧之憂。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西碳化硅陶瓷升液管廠價直銷,升液管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611795273437/4479969.jpg"></div><p>氣體絕緣高壓電器產(chǎn)品用鑄造殼體,相當(dāng)一部分為回轉(zhuǎn)體復(fù)合結(jié)構(gòu)鑄件,重量在40kg以上,主體壁厚在15mm左右,連接法蘭厚度約為30～50mm,局部厚度達(dá)60mm,壁厚變化較大,并伴有各種高質(zhì)量要求的凸臺、法蘭密封面(槽),結(jié)構(gòu)形狀較為復(fù)雜,長期承受。根據(jù)國外先進(jìn)經(jīng)驗,采用金屬型低壓鑄造工藝方法,可有效消除鑄件缺點,提高外觀形狀質(zhì)量。低壓鑄造中的升液管使用壽命短是目前所遇到的一個比較關(guān)鍵的問題,由于升液管長時間浸泡在高溫的鋁液中,容易被鋁侵蝕,一般的使用材料是鑄鐵管和無縫鋼管,這些材料使用壽命都不理想,高熔點難熔合金,價格又貴,無法采用。目前普遍是在涂料上作探索—尋找一種粘結(jié)性能好和耐高溫性能良好的涂料以達(dá)到提高升液管的使用壽命。升液管與爐口及模具在對接安裝時，密封要嚴(yán)密，氣密封間隙的松緊與密封材料的選取十分重要。過緊時壓力大，長時間受力容易壓裂,過松時在很短時間里又會漏氣。另外密封壓緊部位的選取要合理,避免使升液管法蘭盤受力錯位而減短使用壽命。要精確把握間隙、材料，安裝手法等環(huán)節(jié)逐步積累經(jīng)驗。以客戶至上為理念，為客戶提供咨詢服務(wù)。廣西碳化硅陶瓷升液管廠價直銷</p><p style="text-indent:25px">奧翔硅碳公司狠抓產(chǎn)品質(zhì)量的提高，逐年立項對制造、檢測、試驗裝置進(jìn)行技術(shù)改造。廣西碳化硅陶瓷升液管廠價直銷</p><p>在本實用新型一個較佳實施例中，所述阻尼器通過銷釘與升液管固定連接。本實用新型的有益效果是本實用新型低壓鑄造升液管減少了澆注時的金屬噴濺和對坩堝底部剩余金屬的沖擊攪動，減少了逐漸的夾雜缺點，明顯提高了鑄件質(zhì)量，同時，由于采用金屬管和非金屬管同心設(shè)置的結(jié)構(gòu)，本實用新型的升液管既可以具有期望的強度，又可以具有良好的承重能力和耐磨性能，另外，由于碳化硅薄膜和耐火水泥管可以良好地防止金屬液滲透入金屬管，因此可以有效地防止金屬管與金屬液之間發(fā)生不希望的化學(xué)反應(yīng)。圖1是本實用新型低壓鑄造升液管一較佳實施例的立體結(jié)構(gòu)示意圖；附圖中各部件的標(biāo)記如下1、外管，2、內(nèi)管，3、碳化硅薄膜，4、阻尼器，5、小孔。具體實施方式以下結(jié)合附圖對本實用新型的較佳實施例進(jìn)行詳細(xì)闡述，以使本實用新型的優(yōu)點和特征能更易于被本領(lǐng)域技術(shù)人員理解，從而對本實用新型的保護(hù)范圍做出更為清楚明確的界定。請參閱圖1，本實用新型實施例包括一種低壓鑄造升液管，包括同心設(shè)置的外管1和內(nèi)管2，所述內(nèi)管2的內(nèi)壁上設(shè)置有碳化硅薄膜3，升液管進(jìn)口處設(shè)有一個與升液管固定連接的阻尼器。廣西碳化硅陶瓷升液管廠價直銷</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。門型硅碳棒，槍型硅碳棒，升液管，輻射管的公司。公司自2002-03-27成立以來，投身于[ "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" ]，是機械及行業(yè)設(shè)備的主力軍。依托效率源扎實的技術(shù)積累、完善的產(chǎn)品體系、深厚的行業(yè)基礎(chǔ)，目前擁有員工數(shù)51~100人，年營業(yè)額達(dá)到50-100萬元。鄒平奧翔硅碳供應(yīng)創(chuàng)始人張學(xué)祥，始終關(guān)注客戶，以優(yōu)化創(chuàng)新的科技，竭誠為客戶提供比較好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/860612.html</p></div></div></div></div></div><div id="nacov8y" class="page-right twoColRt"><div id="uegy2po" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rg7wyax" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="l39ovxz" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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