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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>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>長(zhǎng)沙204釜用機(jī)械密封件大全,釜用機(jī)械密封件</p><p><span>***更新：</span>2021-01-11 03:14:19</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ffj7hl7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">伊格爾博格曼機(jī)械密封（張家港）有限公司</a></p><p><span>聯(lián)系人：</span>閆女士</p><p><span>郵箱: </span>eaglebugmann@qq.com</p><p><span>電話: </span>18013293108</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://eaglebugmann.com</p><p><span>手機(jī): </span>0512-58756006</p><p><span>地址: </span>德積福民村（天霸路）</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="xv7vrdn" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="lb77tp9" class="box"><p><p> 機(jī)械密封型號(hào):160型■:適用范圍□壓力:0~□溫度:0~120°C□轉(zhuǎn)速:≤3000r/min□介質(zhì):含有顆粒、結(jié)晶的酸、堿、鹽、海水、氣體、易燃易爆等?！跣问教攸c(diǎn):內(nèi)裝式雙端面大彈簧、非平衡型、傳動(dòng)套傳動(dòng)。機(jī)械密封型號(hào):169型■:適用范圍□壓力:0~□溫度:0~150°C□轉(zhuǎn)速:≤3000r/min□介質(zhì):含結(jié)晶顆粒的強(qiáng)堿?！跣问教攸c(diǎn):外裝多彈簧、波紋管自動(dòng)平衡型。磨擦副材料均采用硬質(zhì)合金，長(zhǎng)沙204釜用機(jī)械密封件大全,特別適用于含結(jié)晶顆粒的介質(zhì)。機(jī)械密封型號(hào):171型■:適用范圍□壓力:0~□溫度:0~150°C□轉(zhuǎn)速:≤20m/s□形式特點(diǎn):該密封是內(nèi)裝式,單端面,多彈簧靜止式平衡型機(jī)械密封,符合GB6556標(biāo)準(zhǔn),廣泛應(yīng)用于堿泵。機(jī)械密封型號(hào):202型■:適用范圍□壓力:~□溫度:-40~250°C□轉(zhuǎn)速:≤500r/min□軸徑:30~110mm□介質(zhì):各種弱酸性氣體。機(jī)械密封型號(hào):204型■:適用范圍□壓力:0~□溫度:0~180°C□轉(zhuǎn)速:≤500r/min□介質(zhì):酸、堿，長(zhǎng)沙204釜用機(jī)械密封件大全、油、高分子懸浮液。機(jī)械密封型號(hào):206型■:適用范圍□壓力:~□溫度:-40~250°C□轉(zhuǎn)速:≤500r/min□軸徑:30~110mm□介質(zhì):易燃、易爆，長(zhǎng)沙204釜用機(jī)械密封件大全、強(qiáng)腐蝕、帶顆粒、低溫度等介質(zhì)以及真空下的反應(yīng)釜軸封。南昌FMY212釜用機(jī)械密封件。長(zhǎng)沙204釜用機(jī)械密封件大全</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長(zhǎng)沙204釜用機(jī)械密封件大全,釜用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637334301424423828/7663631.png"></div><p> 6）攪拌軸底端定位松動(dòng)，導(dǎo)致攪拌軸上端擺動(dòng)量過(guò)大造成機(jī)封泄漏；（7）安裝不正確，安裝尺寸未達(dá)到圖紙工作尺寸要求，包括關(guān)鍵零件的形位公差不滿足要求而導(dǎo)致的靜環(huán)安裝傾斜、端面變形等。3、機(jī)械密封本體失效的改進(jìn)措施本裝置配備有多臺(tái)攪拌器，釜用機(jī)封使用平均壽命為4年，長(zhǎng)8年，短。催化劑貯罐D(zhuǎn)-102是用于存儲(chǔ)催化劑的低壓儲(chǔ)罐，配套攪拌器J-102轉(zhuǎn)速較低。2012年該攪拌器檢修時(shí)曾反復(fù)安裝機(jī)封，仍未能解決密封油少量?jī)?nèi)漏的問(wèn)題，此次檢修使用的是非原裝機(jī)封、國(guó)產(chǎn)品牌，與原裝機(jī)封相比使用效果相對(duì)較差，下面以J-102攪拌器機(jī)封為例，按照上述失效原因1~3進(jìn)行分析。首先對(duì)機(jī)封的端面進(jìn)行檢查，用表面粗糙度測(cè)量?jī)x分別取動(dòng)、靜環(huán)摩擦端面8個(gè)點(diǎn)，測(cè)量粗糙度Ra（以催化劑貯罐J-102為例見(jiàn)表1）。由測(cè)量結(jié)果可知實(shí)際結(jié)果滿足小于額定粗糙度，不會(huì)造成泄漏。該機(jī)械密封輔助密封圈為“O形橡膠圈”。首先使用放大鏡對(duì)外觀完好程度進(jìn)行檢查，其次，在拉伸狀態(tài)下再次檢查，發(fā)現(xiàn)O型圈無(wú)缺損、斷裂或變形。式中：S—壓縮量【4】，do—O形圈自由狀態(tài)斷面直徑；D1—配合內(nèi)徑140mm；d1—O形環(huán)槽槽徑133mm；S=do-(D1-d1)/2=134mm壓縮率K=S/do***=97%Pr—O型圈變形壓力。長(zhǎng)沙204釜用機(jī)械密封件大全嘉峪關(guān)反應(yīng)釜用機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長(zhǎng)沙204釜用機(jī)械密封件大全,釜用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637334301405810546/2679819.png"></div><p> 機(jī)械密封是一種旋轉(zhuǎn)機(jī)械的軸封裝置，機(jī)械密封又叫端面密封，在國(guó)家有關(guān)標(biāo)準(zhǔn)中是這樣定義的:"由至少一對(duì)垂直于旋轉(zhuǎn)軸線的端面在流體壓力和補(bǔ)償機(jī)構(gòu)彈力(或磁力)的作用以及輔助密封的配合下保持貼合并相對(duì)滑動(dòng)而構(gòu)成的防止流體泄漏的裝置"。常用機(jī)械密封結(jié)構(gòu)由靜止環(huán)(靜環(huán))、旋轉(zhuǎn)環(huán)(動(dòng)環(huán))、彈性元件彈簧座、緊定螺釘、旋轉(zhuǎn)環(huán)輔助密封圈和靜止環(huán)輔助密封圈等元件組成，防轉(zhuǎn)銷(xiāo)固定在壓蓋上以防止靜止環(huán)轉(zhuǎn)動(dòng)。機(jī)械密封在日常檢修中，常常會(huì)存在以下幾個(gè)誤區(qū)：誤區(qū)一：彈簧壓縮量越大密封效果越好？！其實(shí)不然，彈簧壓縮量過(guò)大，可導(dǎo)致摩擦副急劇磨損，瞬間燒損；過(guò)度的壓縮使彈簧失去調(diào)節(jié)動(dòng)環(huán)端面的能力，導(dǎo)致密封失效。誤區(qū)二：動(dòng)環(huán)密封圈越緊越好？！其實(shí)動(dòng)環(huán)密封圈過(guò)緊有害無(wú)益。一是加劇密封圈與軸套間的磨損，泄漏；二是增大了動(dòng)環(huán)軸向調(diào)整、移動(dòng)的阻力，在工況變化頻繁時(shí)無(wú)法適時(shí)進(jìn)行調(diào)整；三是彈簧過(guò)度疲勞易損壞；四是使動(dòng)環(huán)密封圈變形，影響密封效果。誤區(qū)三：靜環(huán)密封圈越緊越好？！靜環(huán)密封圈基本處于靜止?fàn)顟B(tài)，相對(duì)較緊密封效果會(huì)好些，但過(guò)緊也是有害的。一是引起靜環(huán)密封因過(guò)度變形，影響密封效果；二是靜環(huán)材質(zhì)以石墨居多，一般較脆，過(guò)度受力極易引起碎裂。</p><p> 中間沒(méi)有輔助密封圈，因此減少了一個(gè)泄漏點(diǎn);同時(shí)減少了補(bǔ)償機(jī)構(gòu)的摩擦阻力，改善了追隨性;對(duì)于焊接金屬波紋管密封使用溫度不受輔助密封圈的限制。波紋管具有一定的彈性且移動(dòng)沒(méi)有阻力，使用扭矩的傳遞不影響波紋管，能起到補(bǔ)償作用，適用于高溫、高速、高粘度、高腐蝕等各類(lèi)的工況。故金屬波紋管機(jī)械密封在煉**業(yè)的離心泵上得到***的應(yīng)用。金屬波紋管機(jī)械密封實(shí)物圖金屬波紋管機(jī)械密封優(yōu)點(diǎn)：具有高精密性：焊接波紋管起到彈簧的作用，而且是好多個(gè)彈簧的組合體，所以解決了普通彈簧因離心力變形的問(wèn)題，適應(yīng)高度旋轉(zhuǎn)，并且使密封面受壓均勻，利于防止泄露。具有耐振動(dòng)與柔韌性：波紋管柔韌性高，對(duì)振動(dòng)的吸收效果非常好，所以對(duì)徑向跳動(dòng)、軸向間隙、振動(dòng)和擺動(dòng)的適應(yīng)能力非常強(qiáng)，能有效阻止泄露。結(jié)構(gòu)簡(jiǎn)單：不像其他普通機(jī)械密封要由很多零件組成，具有整合組裝、構(gòu)造簡(jiǎn)單、容易裝配的特點(diǎn)能適應(yīng)多種溫度條件的工況：焊接波紋管的熱膨脹系數(shù)小，可在低溫或高溫的下使用，而且沒(méi)有O型圈，擺脫溫度的限制條件，設(shè)計(jì)比較自由。適用于高壓工況：由于波紋管本身能起平衡作用，可設(shè)計(jì)相應(yīng)的密封面積抵消流體壓力，減少密封面的摩擦，從而減少發(fā)熱以及磨損量，可用于高壓工況。德州2009釜用機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長(zhǎng)沙204釜用機(jī)械密封件大全,釜用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637334301793750000/7327484.png"></div><p> 機(jī)械密封實(shí)現(xiàn)的原理如圖所示：軸通過(guò)傳動(dòng)座（6）和推環(huán)（4），帶動(dòng)動(dòng)環(huán)（2）旋轉(zhuǎn)，靜環(huán)(1)固定不動(dòng)，依靠介質(zhì)壓力和彈簧力使動(dòng)靜環(huán)之間的密封端面緊密貼合，阻止了介質(zhì)的泄漏。摩擦副表面磨損后，在彈簧（5）的推動(dòng)下實(shí)現(xiàn)補(bǔ)償。為了防止介質(zhì)通過(guò)動(dòng)環(huán)與軸之間泄漏，裝有動(dòng)環(huán)密封圈（3）；而靜環(huán)密封圈（7）則阻止了介質(zhì)沿靜環(huán)和壓蓋（8）之間的泄漏。長(zhǎng)期的實(shí)踐證明，輔助設(shè)施的作用不可忽視。從國(guó)外進(jìn)來(lái)的泵，在提供的機(jī)械密封圖紙上，不僅有密封結(jié)構(gòu)圖，而且在這張圖上明確地畫(huà)出了輔助設(shè)施的安裝圖，并注明輔助設(shè)施的種類(lèi)和數(shù)量。國(guó)內(nèi)的制造廠有的開(kāi)始注意這個(gè)問(wèn)題；有的還沒(méi)認(rèn)識(shí)，這是不應(yīng)該的。輔助設(shè)施不僅起冷卻和潤(rùn)滑作用，還可改善密封的工作環(huán)境，從而減少泄漏量和延長(zhǎng)使用壽命。因此有人把輔助設(shè)施看作是機(jī)械密封的組成部分。無(wú)疑，這一觀點(diǎn)將被越來(lái)越多的人接受。機(jī)械密封被應(yīng)用于各種旋轉(zhuǎn)機(jī)械的軸封，工況不同，使用的密封也不同。機(jī)械密封按使用條件可分為高速和普通機(jī)械密封；高壓和低壓機(jī)械密封；高溫、常溫和低溫機(jī)械密封；泵用、壓縮機(jī)用和釜用機(jī)械密封以及耐腐蝕機(jī)械密封和抗顆粒的機(jī)械密封等。通常都按機(jī)械密封的結(jié)構(gòu)和原理來(lái)分類(lèi)。沈陽(yáng)反應(yīng)釜用機(jī)械密封件。長(zhǎng)沙204釜用機(jī)械密封件大全</p><p style="text-indent:25px">威海FMY212釜用機(jī)械密封件。長(zhǎng)沙204釜用機(jī)械密封件大全</p><p> 2）機(jī)械密封處的泵軸撓度要小，只有滿足類(lèi)似這樣的外因，再加上良好的機(jī)械密封自身性能，才能達(dá)到理想的密封效果。二、影響泵用機(jī)械密封的外部原因（一）泵軸的軸向竄量機(jī)械密封的密封面要有一定的比壓（～），從而達(dá)到密封的目的，兩端面的緊密緊密程度可以通過(guò)彈簧調(diào)節(jié)。為了保證這個(gè)比壓，要求泵軸不能有太大的竄量（≤），但在實(shí)際生產(chǎn)中，往往泵軸產(chǎn)生很大的竄量。對(duì)機(jī)械密封的使用非常不利的，這種情況在我分廠表現(xiàn)在泵啟動(dòng)過(guò)程中，由于不平衡軸向力的存在，使整個(gè)軸發(fā)生向吸入口的竄動(dòng)，造成機(jī)械密封失去密封作用，常用的措施有：葉輪上開(kāi)平衡孔，泵體上裝平衡管等。（二）泵軸的撓度偏大軸彎曲變形時(shí)橫截面形心沿與軸線垂直方向的線位移稱(chēng)為撓度，機(jī)械密封要求兩個(gè)密封端面之間受力均勻。但由于泵產(chǎn)品設(shè)計(jì)的不合理，在機(jī)械密封安裝處產(chǎn)生的撓度偏大，使密封處受力不均勻(公眾號(hào):泵管家)，從而失去密封效果。這種現(xiàn)象大多存在臥式多級(jí)離心泵中。（三）沒(méi)有輔助沖洗系統(tǒng)或輔助沖洗系統(tǒng)設(shè)計(jì)不合理機(jī)械密封的輔助沖洗系統(tǒng)是非常重要的，它可以有效的保護(hù)密封面，起到冷卻、潤(rùn)滑、沖走雜物等作用。有時(shí)設(shè)計(jì)人員設(shè)計(jì)不合理，達(dá)不到密封效果；有的設(shè)計(jì)了輔助系統(tǒng)。長(zhǎng)沙204釜用機(jī)械密封件大全</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2792943.html</p></div></div></div></div></div><div id="xdhl7nh" class="page-right 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