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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rbd78n3" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>南通密封質(zhì)量放心可靠,密封</p><p><span>***更新：</span>2020-07-05 20:15:23</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="vegyneg" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">漣水創(chuàng)密機(jī)械制造有限公司</a></p><p><span>聯(lián)系人：</span>袁經(jīng)理</p><p><span>郵箱: </span>lscmjx@163.com</p><p><span>電話: </span>15250888877</p><p><span>傳真: </span>153_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚(yáng)民營(yíng)經(jīng)濟(jì)產(chǎn)業(yè)園</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="qk2pjqx" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rqif43u" class="box"><p><p style="text-indent:25px"> 填料密封主要用于機(jī)械行業(yè)中的過程機(jī)器和設(shè)備運(yùn)動(dòng)部分的動(dòng)密封，比如離心泵、壓縮機(jī)、真空泵、攪拌機(jī)、反應(yīng)釜的轉(zhuǎn)軸密封和往復(fù)泵、往復(fù)式壓縮機(jī)的柱塞或活塞桿，以及做直線、螺旋運(yùn)動(dòng)閥門的閥桿與固定機(jī)體之間的密封。填料函的基本形式是：(1)石棉盤根：耐溫和耐腐蝕性能都很好，但單獨(dú)使用時(shí)，密封效果不佳，所以總是浸漬或附加其他材料。油浸石棉盤根：它的基本結(jié)構(gòu)形式有兩種，一種是扭制，另一種是編結(jié)。又可分圓形和方形。(2)聚四氟乙烯編織盤根：將聚四氟乙烯細(xì)帶編織為盤根，南通密封質(zhì)量放心可靠，有極好的耐腐蝕性能，又可用于深冷介質(zhì)。(3)橡膠O形圈：在低壓狀態(tài)下，密封效果良好。使用溫度受限制，如天然橡膠只能用于60℃。(4)塑料成型填料：一般做成三件式，也可做成其他形狀，南通密封質(zhì)量放心可靠。所用塑料以聚四氟乙烯為多，南通密封質(zhì)量放心可靠，也有采用尼龍66和尼龍1010的。(5)軟填料密封，又稱泥狀填料，是由新一代高性能合成纖維配以特殊的阻隔劑和潤(rùn)滑劑精制而成的高級(jí)“盤根”。軟填料的任意尺寸，任意形狀，極易安裝，通過**的高壓便可直接注射，不必象傳統(tǒng)的盤根，需要預(yù)切割，能適用任何尺寸的填料腔密封軟填料密封適用范圍較大范圍，如高壓往復(fù)泵或低轉(zhuǎn)速泵、高溫閥桿、閥或填料盒的密封它結(jié)構(gòu)簡(jiǎn)單。密封件必須存放在密封包裝內(nèi)，避免和空氣中的水分或塵埃接觸。南通密封質(zhì)量放心可靠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通密封質(zhì)量放心可靠,密封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245501879980468/269224.jpg"></div><p> 水泵機(jī)械密封選型方法 </p> <p> 機(jī)械密封按工作條件和介質(zhì)性質(zhì)的不同，有耐高溫、耐低溫機(jī)械密封，耐高壓、耐腐蝕機(jī)械密封，耐顆粒介質(zhì)機(jī)械密封和適應(yīng)易汽化的輕質(zhì)烴介質(zhì)的機(jī)械密封等，應(yīng)根據(jù)不同的用處選取不同結(jié)構(gòu)型式和材料的機(jī)械密封。 </p> <p> 選型的主要參數(shù)有：密封腔體壓力(MPA)、流體溫度(℃)、工作速度(M/S)、流體的特性以及安裝密封的有效空間等。 </p> <p> 選型的基本原則為： </p> <p> 1、根據(jù)密封腔體壓力，確定密封結(jié)構(gòu)采用平衡型或非平衡型，單端面或雙端面等。 </p> <p> 2、根據(jù)工作速度，確定采用旋轉(zhuǎn)式或靜止式，流體動(dòng)壓式或非接觸型。 </p> <p> 3、根據(jù)溫度及流體性質(zhì)，確定摩擦副和輔助密封材料，以及正確選擇潤(rùn)滑、沖洗、保溫、冷卻等機(jī)械密封循環(huán)保護(hù)系統(tǒng)等。 </p> <p> 4、根據(jù)安裝密封的有效空間，確定采用多彈簧或單彈簧或波形彈簧，內(nèi)裝式或外裝式。蘇州密封誠(chéng)信企業(yè)密封面合理的間隙，機(jī)械密封的平衡程度，密封端面液膜的閃蒸都是造成端面打開而使固體顆粒進(jìn)入的主要原因。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通密封質(zhì)量放心可靠,密封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245504461289062/5738812.jpg"></div><p> 水泵的機(jī)械密封亦稱端面密封,其有一對(duì)垂直于旋轉(zhuǎn)軸線的端面,該端面在流體壓力及補(bǔ)償機(jī)械外彈力的作用下,依賴輔助密封的配合與另一端保持貼合,并相對(duì)滑動(dòng),從而防止流體泄漏。 </p> <p> 一、機(jī)械密封常見的滲漏現(xiàn)象 </p> <p> 機(jī)械密封滲漏的比例占全部維修泵的50 %以上,機(jī)械密封的運(yùn)行好壞直接影響到水泵的正常運(yùn)行,現(xiàn)總結(jié)分析如下: </p> <p> 1.機(jī)械密封周期性滲漏 </p> <p> (1)防爆自吸泵轉(zhuǎn)子軸向竄動(dòng)量大,輔助密封與軸的過盈量大,動(dòng)環(huán)不能在軸上靈活移動(dòng)。在泵翻轉(zhuǎn),動(dòng)、靜環(huán)磨損后,得不到補(bǔ)償位移。 </p> <p> 對(duì)策:在裝配機(jī)械密封時(shí),軸的軸向竄動(dòng)量應(yīng)小于0.1mm ,輔助密封與軸的過盈量應(yīng)適中,在保證徑向密封的同時(shí),動(dòng)環(huán)裝配后保證能在軸上靈活移動(dòng)(把動(dòng)環(huán)壓向彈簧能自由地彈回來)。 </p> <p> (2)密封面潤(rùn)滑油量不足引起干摩擦或拉毛密封端面。 </p> <p> 對(duì)策:油室腔內(nèi)潤(rùn)滑油面高度應(yīng)加到高于動(dòng)、靜環(huán)密封面。 </p> <p> (3)轉(zhuǎn)子周期性振動(dòng)。原因是定子與上、下端蓋未對(duì)中或葉輪和主軸不平衡,汽蝕或軸承損壞(磨損) ,這種情況會(huì)縮短密封壽命和產(chǎn)生滲漏。 </p> <p> 對(duì)策:可根據(jù)維修標(biāo)準(zhǔn)來糾正上述問題。 </p><p> 碳化硅陶瓷是近年發(fā)展的新材料。它具有很低的摩擦因數(shù)，很高的硬度，良好的耐磨性。它具有良好的化學(xué)穩(wěn)定性、耐熱性和抗熱振性。 </p> <p> 碳化硅有反應(yīng)燒結(jié)碳化硅、常壓燒結(jié)碳化硅和熱壓碳化硅。 </p> <p> 硬質(zhì)合金。硬質(zhì)合金主要是碳化鎢WC，分別有鈷基碳化鎢WC-Co、鎳基碳化鎢WC-Ni和鈷-鎳基碳化鎢WC-Co-Ni。碳化鎢的特點(diǎn)：硬度高，耐磨性好；機(jī)械強(qiáng)度高，抗彎性好；導(dǎo)熱率較高而膨脹系數(shù)較小，密封面摩擦熱容易導(dǎo)出；無鈷硬質(zhì)合金耐腐蝕性較好。 </p> <p> 作為輔助密封圈的材料有橡膠、塑料、石棉、膨脹石墨、石墨和金屬脹圈等。橡膠圈是使用廣的一種輔助密封圈。常用的橡膠密封圈材料有丁腈橡膠、氟橡膠、硅橡膠、氯丁橡膠、丁苯橡膠等。密封常用名稱：密封圈、盤根、機(jī)械密封、油封、水封、盤根、密封墊板、密封膠、軟填料、液壓、氣動(dòng)密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通密封質(zhì)量放心可靠,密封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503105126953/1175882.jpg"></div><p> 水泵處理方法 </p> <p> 1 機(jī)械密封處滲水的第一種可能性是機(jī)封的動(dòng)、靜環(huán)平面磨損。而造成機(jī)封的動(dòng)、靜環(huán)平面磨損的原因有六個(gè)方面： </p> <p> 原因一、安裝過緊。觀察機(jī)械密封的動(dòng)靜環(huán)平面，如有嚴(yán)重?zé)宫F(xiàn)象，平面發(fā)黑和很深的痕跡，密封橡膠變硬，失去彈性，這種現(xiàn)象是由于安裝過緊造成的。 </p> <p> 處理辦法：調(diào)整安裝高度，葉輪發(fā)裝后，用螺絲刀拔動(dòng)彈簧，彈簧有較強(qiáng)的張力，松開后即復(fù)λ，有24MM的移動(dòng)距離即可。 </p> <p> 原因二、安裝過松。觀察機(jī)封動(dòng)、靜環(huán)平面，其表面有一層很薄的水垢，能夠擦去，表面基本無磨損，這是彈簧失去彈性及裝配不良造成，或電機(jī)軸向竄動(dòng)造成。 </p> <p> 原因三、水質(zhì)差含顆粒。由于水質(zhì)差，含有小顆粒及介質(zhì)中鹽酸鹽含量高，形成磨料磨損機(jī)封的平面或拉傷表面產(chǎn)生溝槽、環(huán)溝等現(xiàn)象。 </p> <p> 處理辦法：改進(jìn)水壓或介質(zhì)，更換機(jī)封。油封密封是一種自緊式唇狀密封，其結(jié)構(gòu)簡(jiǎn)單，尺寸小，成本低廉，維護(hù)方便，阻轉(zhuǎn)矩較小。江蘇***密封工廠</p><p style="text-indent:25px">O形密封圈安裝在溝槽和被密封面之間，有一定壓縮量，產(chǎn)生的反彈力給予光滑面和溝槽底面初始的壓縮應(yīng)力。南通密封質(zhì)量放心可靠</p><p> CJ74D系列機(jī)械密封件 </p> <p> <p> 雙端面 </p> <p> 非平衡型 </p> <p> 任意旋向 </p> <p> 多彈簧結(jié)構(gòu) </p> <p> 與CJ7系列設(shè)計(jì)性能相同,除驅(qū)動(dòng)座的安裝長(zhǎng)度外,其它安裝尺寸(d1<100mm)符合DIN24960標(biāo)準(zhǔn).適合于易結(jié)晶,含顆粒,纖維介質(zhì)中。 </p> <p> 材料組合 </p> <p> 密封端面: 石墨、碳化硅、碳化鎢、氧化鋁 </p> <p> 輔助密封: 丁腈膠、氟橡膠、乙丙膠、PTFE </p> <p> 金屬構(gòu)件: 不銹鋼 </p> <p> 運(yùn)行參數(shù) </p> <p> 規(guī) 格: 18～200 mm </p> <p> 壓力: ≤2.5 Mpa </p> <p> 溫度: -50～220℃ </p> <p> 線速度: ≤20m/s </p> <p> 軸向竄動(dòng)量: </p> <p> d1≤100 :±0.5 mm </p> <p> d1>100 :±2.0 mm </p> <p> 漣水創(chuàng)密機(jī)械制造有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。創(chuàng)密機(jī)械制造深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的[ "輕型密封", "中型密封", "重型密封", "小型水泵" ]。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)品為客戶帶來效益，目前年?duì)I業(yè)額達(dá)到700-1000萬元。創(chuàng)密機(jī)械制造始終關(guān)注自身，在風(fēng)云變化的時(shí)代，我們對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使我們?cè)谛袠I(yè)的從容而自信。 </p> 南通密封質(zhì)量放心可靠</p><p style="text-indent:25px">漣水創(chuàng)密機(jī)械制造有限公司注冊(cè)資金200-300萬元，是一家擁有51~100人***員工的企業(yè)。公司業(yè)務(wù)分為[ "輕型密封", "中型密封", "重型密封", "小型水泵" ]等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供質(zhì)量的產(chǎn)品和服務(wù)。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為**，發(fā)揮人才優(yōu)勢(shì)，打造機(jī)械及行業(yè)設(shè)備質(zhì)量品牌。截止當(dāng)前，我公司年?duì)I業(yè)額度達(dá)到700-1000萬元，爭(zhēng)取在一公分的領(lǐng)域里做出一公里的深度。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/506475.html</p></div></div></div></div></div><div id="uzwyxtv" class="page-right twoColRt"><div id="icuwgmj" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8bxelxz" class="recomPic likePro"><a 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