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id="3v7heje" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611663466797/1418562.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="esphz8u" 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>湖南高溫升液管供應(yīng)商</p><p><span>***更新：</span>2020-06-23 07:18:03</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="odfceyv" 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="3m2yane" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ncu2jlx" class="box"><p><p> 選用氮化硼、碳化硅、陶瓷等耐高溫、耐腐蝕材料制作。升液管本體a和升液管本體b的接縫處設(shè)置3mm的密封墊圈，以保證二者之間嚴(yán)實(shí)密封，防止升液管漏氣。升液管本體a和升液管本體b的接縫處設(shè)置過濾片，升液管本體b的下端設(shè)置第二過濾片，以攔截鋁液中的氧化膜等雜質(zhì);過濾片、第二過濾片的厚度為5mm。[0007]升液管本體b的內(nèi)壁截面呈“正錐型”，錐角5-8°，開口逐漸縮小，通過逐漸加快鋁液的上升速度，以更好的實(shí)現(xiàn)鋁液的撇渣凈化。[0008]升液管本體a的內(nèi)壁截面呈“直線+倒錐型”，錐角5-10°，內(nèi)徑先恒定后逐漸變大，這樣可以使由下端上來的鋁液流速減緩，從而更加平穩(wěn)的進(jìn)入模具型腔。本發(fā)明升液管內(nèi)壁上需涂覆耐高溫、耐金屬液腐蝕的保護(hù)涂層，以加強(qiáng)保溫性能并提尚使用壽命。本實(shí)用新型結(jié)構(gòu)簡(jiǎn)單，具有良好的保溫性、較強(qiáng)的撇渣過濾能力，可以使進(jìn)入模具型腔的鋁液更加純凈，湖南高溫升液管供應(yīng)商、質(zhì)量，減少了因鑄件表面出現(xiàn)夾渣而導(dǎo)致廢品的概率，湖南高溫升液管供應(yīng)商，明顯提升了車輪的成形質(zhì)量及合格率，同時(shí)降低了企業(yè)的制造成本，更有利于實(shí)現(xiàn)車輪的精細(xì)化生產(chǎn)。1.升液管，包括升液管本體、連接螺栓、定位圓銷，湖南高溫升液管供應(yīng)商、密封墊、過濾片，其特征在于:升液管本體包括升液管本體a(2)、升液管本體b。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南高溫升液管供應(yīng)商" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611663466797/1418562.jpg"></div><p> 當(dāng)液態(tài)金屬液流經(jīng)小孔5進(jìn)入升液管時(shí)，流線因劇烈的壓縮后突然擴(kuò)張而產(chǎn)生局部摩阻，能有效地澆注過程中的速度振蕩；鑄件凝固后，升液管內(nèi)未凝固的液態(tài)金屬通過小孔5從阻尼器4的側(cè)面緩慢回流出，不會(huì)對(duì)坩堝底部的金屬液造成沖擊，防止了鑄件夾雜物的產(chǎn)生。以上所述*為本實(shí)用新型的實(shí)施例，并非因此限制本實(shí)用新型的**范圍，凡是利用本實(shí)用新型說明書及附圖內(nèi)容所作的等效結(jié)構(gòu)或等效流程變換，或直接或間接運(yùn)用在其他相關(guān)的技術(shù)領(lǐng)域，均同理包括在本實(shí)用新型的**保護(hù)范圍內(nèi)。權(quán)利要求1.一種低壓鑄造升液管，其特征在于包括同心設(shè)置的外管(1)和內(nèi)管0)，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(gè)與升液管固定連接的阻尼器G)，所述阻尼器(4)側(cè)面均勻設(shè)置有若干小孔(5)。2.根據(jù)權(quán)利要求1所述的低壓鑄造升液管，其特征在于所述外管(1)為耐火水泥管，所述內(nèi)管⑵為金屬管。3.根據(jù)權(quán)利要求2所述的低壓鑄造升液管，其特征在于所述金屬管為不銹鋼管、鐵管或鋼管中的一種。4.根據(jù)權(quán)利要求1所述的低壓鑄造升液管，其特征在于所述小孔(為4-8個(gè)。5.根據(jù)權(quán)利要求1所述的低壓鑄造升液管，其特征在于所述小孔(5)的面積之和與升液管橫截面積之比為1:6-1:10。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南高溫升液管供應(yīng)商" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611795791015/2165426.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(tái)、法蘭密封面(槽),結(jié)構(gòu)形狀較為復(fù)雜,長(zhǎng)期承受。根據(jù)國(guó)外先進(jìn)經(jīng)驗(yàn),采用金屬型低壓鑄造工藝方法,可有效消除鑄件缺點(diǎn),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(gè)比較關(guān)鍵的問題,由于升液管長(zhǎng)時(shí)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(diǎn)難熔合金,價(jià)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(duì)接安裝時(shí)，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(shí)壓力大，長(zhǎng)時(shí)間受力容易壓裂,過松時(shí)在很短時(shí)間里又會(huì)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(cuò)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(yàn)。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/359052.html</p></div></div></div></div></div><div id="xme8oln" class="page-right twoColRt"><div id="32yk3fh" class="box01 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