螺桿泵收購(gòu)價(jià) 深圳市群勛科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="(一）腐蝕的基本概念材料（通常是指金屬材料）或材料的性質(zhì)由于與它所處的環(huán)境發(fā)生反應(yīng)而惡化變質(zhì)，稱為腐蝕。它包括三個(gè)方面的研究?jī)?nèi)容，即材料、環(huán)境及反應(yīng)的種類。材料材料包括"><meta name="keywords" content="螺桿泵收購(gòu)價(jià),螺桿泵"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637211876905791015/1752868.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rvxebnk" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637211876905791015/1752868.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mgskcjg" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>螺桿泵收購(gòu)價(jià),螺桿泵</p><p><span>***更新：</span>2020-07-22 11:36:13</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="gq3vnzw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市群勛科技有限公司</a></p><p><span>聯(lián)系人：</span>張華</p><p><span>郵箱: </span>zh@qxunad.com</p><p><span>電話: </span>18603057926</p><p><span>傳真: </span>0755_23156458</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0755-33075040</p><p><span>地址: </span>光明新區(qū)公明街道民生路70號(hào)銘源商務(wù)大廈808室</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="3rjl3wo" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="xwyaxzq" class="box"><p><p> (一）腐蝕的基本概念 </p> <p> <br /> </p> <p> 材料（通常是指金屬材料）或材料的性質(zhì)由于與它所處的環(huán)境發(fā)生反應(yīng)而惡化變質(zhì)，稱為腐蝕。它包括三個(gè)方面的研究?jī)?nèi)容，即材料、環(huán)境及反應(yīng)的種類。 </p> <p> <br /> </p> <p> 材料 </p> <p> <br /> </p> <p> 材料包括金屬材料、非金屬材料及材料的性質(zhì)，是腐蝕發(fā)生的內(nèi)因。 </p> <p> <br /> </p> <p> 環(huán)境 </p> <p> <br /> </p> <p> 環(huán)境是腐蝕發(fā)生的外部條件，任何材料在使用過(guò)程中總是處于特定的環(huán)境中，對(duì)腐蝕起作用的環(huán)境因素主要有介質(zhì)的成分、濃度、溫度、流速和壓力等。 </p> <p> <br /> </p> <p> <br /> 特點(diǎn)是流量平穩(wěn)、壓力脈動(dòng)小，螺桿泵收購(gòu)價(jià)，螺桿泵收購(gòu)價(jià)、有一定自吸能力、噪聲低、效率高，螺桿泵收購(gòu)價(jià)、壽命長(zhǎng)、工作可靠。螺桿泵收購(gòu)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="螺桿泵收購(gòu)價(jià),螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876905791015/1752868.jpg"></div><p> Q：計(jì)量螺桿泵自動(dòng)控制變頻電機(jī)+變頻器與通過(guò)自動(dòng)沖程控制器來(lái)實(shí)現(xiàn)的自動(dòng)控制區(qū)別在哪？ </p> <p> <br /> </p> <p> A：”2種方式**終結(jié)果都是調(diào)節(jié)螺桿泵的流量，區(qū)別就是，變頻電機(jī)+變頻器是通過(guò)改變電機(jī)頻率(轉(zhuǎn)速)，實(shí)現(xiàn)調(diào)節(jié)流量的效果；自動(dòng)沖程變速器是通過(guò)改變螺桿泵的行程(電機(jī)轉(zhuǎn)速不變)，實(shí)現(xiàn)現(xiàn)調(diào)節(jié)流量的效果?！?</p> <p> <br /> </p> <p> Q：液壓隔膜計(jì)量螺桿泵是否可以配自動(dòng)沖程變速器呢？ </p> <p> <br /> </p> <p> A：目前我們只有GB/GM2個(gè)系列的機(jī)械隔膜計(jì)量螺桿泵，才能加裝自動(dòng)沖程控制器 </p> <p> <br /> </p> <p> Q：計(jì)量螺桿泵安裝什么情況下得加背壓閥？背壓閥起什么作用？ </p> <p> <br /> </p> <p> A：當(dāng)計(jì)量螺桿泵的進(jìn)口壓力大于出口壓力的時(shí)候，必須加裝背壓閥，否則，進(jìn)口壓力會(huì)將計(jì)量螺桿泵單向閥內(nèi)的球頂開(kāi)，起不到密封的效果，這臺(tái)螺桿泵是失效了，我們稱該現(xiàn)象為虹吸現(xiàn)象。 </p> <p> <br /> </p> <p> Q：計(jì)量螺桿泵調(diào)節(jié)在多少范圍內(nèi)重復(fù)精度可達(dá)正負(fù)1%？ </p> <p> <br /> </p> <p> A：計(jì)量螺桿泵在10%-90%的調(diào)節(jié)范圍內(nèi)，能達(dá)到正負(fù)1%的重復(fù)精度。 </p> <p> <br /> </p> <p> Q：請(qǐng)問(wèn)廠里JLM電磁驅(qū)動(dòng)小型微型計(jì)量螺桿泵可以做230v嗎？ </p> <p> <br /> </p> <p> A：JLM電磁驅(qū)動(dòng)小型微型計(jì)量螺桿泵只有220V電壓。 </p> <p> <br /> 湛江螺桿泵誠(chéng)信互利突出的優(yōu)點(diǎn)是輸送介質(zhì)時(shí)不形成渦流、對(duì)介質(zhì)的粘性不敏感。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="螺桿泵收購(gòu)價(jià),螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876900478515/127892.jpg"></div><p> 它的重要事情部件是偏愛(ài)螺旋體的螺桿（稱轉(zhuǎn)子）和內(nèi)外貌呈雙線螺旋面的螺桿襯套（稱定子）。其事情原理是當(dāng)電動(dòng)機(jī)動(dòng)員泵軸轉(zhuǎn)動(dòng)時(shí)，螺桿一方面繞自己的軸線旋轉(zhuǎn)，另一方面它又沿襯套內(nèi)外貌轉(zhuǎn)動(dòng)，于是形成泵的密封腔室。螺桿每轉(zhuǎn)一周，密封腔內(nèi)的液體向前推進(jìn)一個(gè)螺距，隨著螺桿的一連轉(zhuǎn)動(dòng)，液體螺旋形方法從一個(gè)密封腔壓向另一個(gè)密封腔，末了擠出泵體。 </p> <p> 螺桿泵液壓防反轉(zhuǎn)技能是為防備通例螺桿泵井在停機(jī)或卡泵時(shí)出現(xiàn)桿柱反轉(zhuǎn)，造成桿脫、光桿甩彎、地面設(shè)置裝備部署破壞等題目標(biāo)技能。螺桿泵井停機(jī)后常會(huì)出現(xiàn)桿柱反轉(zhuǎn)征象，桿柱內(nèi)部?jī)?chǔ)存的旋轉(zhuǎn)勢(shì)能以及油套壓差都大概導(dǎo)致桿柱反轉(zhuǎn)。 </p><p> 抽油桿在忽然開(kāi)釋反扭矩時(shí)，受到桿柱儲(chǔ)存的彈性勢(shì)能和油套壓差的影響，會(huì)孕育發(fā)生巨大的瞬時(shí)扭矩，容易導(dǎo)致光桿在高速旋轉(zhuǎn)歷程中被甩彎或甩斷，皮帶輪高速旋轉(zhuǎn)破裂飛出，對(duì)職員及設(shè)置裝備部署造成侵害。 </p> <p> <br /> </p> <p> 由于該二部件的特別多少形狀，分別形成單獨(dú)的密封容腔，介質(zhì)由軸向勻稱推行活動(dòng)，內(nèi)部流速低，容積連結(jié)穩(wěn)定，壓力穩(wěn)固，因而不會(huì)孕育發(fā)生渦流和攪動(dòng)。每級(jí)泵的輸出壓力為0.6MPa，揚(yáng)程60m（凈水），自吸高度一樣通常在6m，實(shí)用于運(yùn)送介質(zhì)溫度80℃以下（特別要求可達(dá)150℃）。 </p> <p> <br /> </p> <p> 因定子選用多種彈性質(zhì)料制成，以是這種泵對(duì)高粘度流體的運(yùn)送和含有硬質(zhì)懸浮顆粒介質(zhì)或含有纖維介質(zhì)的運(yùn)送，有一樣通常泵種所不克不及勝任的特點(diǎn)。其流量與轉(zhuǎn)速成正比。 </p> <p> <br /> </p> <p> <br /> 根據(jù)泵的大小不同可以輸送粘度從厘泊的介質(zhì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="螺桿泵收購(gòu)價(jià),螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876904189453/2939220.jpg"></div><p> 3、螺桿泵的螺桿在機(jī)筒內(nèi)轉(zhuǎn)動(dòng)，物料與二者的摩擦，使螺桿與機(jī)筒的工作表面逐漸磨損：螺桿直徑逐漸縮小，機(jī)筒的內(nèi)孔直徑逐漸加大。這樣，螺桿與機(jī)筒的配合直徑間隙，隨著二者的逐漸磨損而一點(diǎn)點(diǎn)加大?？墒?，由于機(jī)筒前面機(jī)頭和分流板的阻力沒(méi)有改變，這就增加了被擠塑物料前進(jìn)時(shí)的漏流量，即物料從直徑間隙處向進(jìn)料方向流動(dòng)量增加。結(jié)果使塑膠機(jī)械生產(chǎn)量下降。這種現(xiàn)象又使物料在機(jī)筒內(nèi)停留時(shí)間增加，造成物料分解。如果是聚乙烯，分解產(chǎn)生的氯化氫氣體加強(qiáng)了對(duì)螺桿和機(jī)筒的腐蝕。 </p> <p> <br /> </p> <p> 4、物料中如有碳酸鈣和玻璃纖維等填充料，能加快螺桿和機(jī)筒的磨損。 </p> <p> <br /> </p> <p> 5、由于物料沒(méi)有塑化均勻，或是有金屬異物混入料中，使螺桿轉(zhuǎn)動(dòng)扭矩力突然增加，這種扭矩超出螺桿的強(qiáng)度極限，使螺桿扭斷。這是一種非常規(guī)***損壞。 </p> <p> <br /> </p> <p> <br /> 無(wú)效的泵運(yùn)轉(zhuǎn)常是氣干擾造成的，可通過(guò)聲波液面測(cè)量和示功圖進(jìn)行診斷。湛江螺桿泵誠(chéng)信互利</p><p style="text-indent:25px">但井的條件常不容許將泵置于流體進(jìn)入層下方，則考慮用井下氣分離器。螺桿泵收購(gòu)價(jià)</p><p> 第三梯度是國(guó)內(nèi)企業(yè)產(chǎn)品。國(guó)內(nèi)螺桿泵企業(yè)在技術(shù)上和品牌上處于劣勢(shì)，只能通過(guò)壓低價(jià)格、提高服務(wù)質(zhì)量、減少交貨周期來(lái)贏得客戶，因而價(jià)格往往比進(jìn)口螺桿泵要低20％－30％。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 從產(chǎn)品結(jié)構(gòu)來(lái)看，螺桿泵產(chǎn)品種類較多，規(guī)格復(fù)雜，價(jià)格跨度較大。加上一些中小企業(yè)以低廉的價(jià)格進(jìn)行惡性競(jìng)爭(zhēng)，擾亂了市場(chǎng)價(jià)格。一般而言，原材料等級(jí)越高、產(chǎn)品規(guī)格越高的螺桿泵價(jià)格更高。分種類而言，三螺桿泵結(jié)構(gòu)簡(jiǎn)單，便于維修，價(jià)格也相對(duì)較低。雖然我國(guó)國(guó)內(nèi)的螺桿泵與國(guó)外專業(yè)公司相比還存在差距，但隨著我國(guó)螺桿泵科研力量的投入及應(yīng)用實(shí)踐的增多，螺桿泵未來(lái)發(fā)展趨勢(shì)是開(kāi)發(fā)低轉(zhuǎn)速，長(zhǎng)導(dǎo)程，傳動(dòng)量部件材質(zhì)優(yōu)良，額定壽命長(zhǎng)的產(chǎn)品替代原來(lái)傳統(tǒng)螺桿泵。 </p> <p> <br /> </p> <p> <br /> 螺桿泵收購(gòu)價(jià)</p><p style="text-indent:25px">深圳市群勛科技有限公司位于廣東省深圳市，創(chuàng)立于2010-11-11。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下[ "視覺(jué)噴點(diǎn)膠機(jī)", "點(diǎn)膠閥", "壓力泵", "壓痕檢測(cè)機(jī)" ]深受客戶的喜愛(ài)。公司將不斷增強(qiáng)企業(yè)核心競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)先進(jìn)知識(shí)，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。在社會(huì)各界的鼎力支持下，經(jīng)過(guò)公司所有人員的努力，公司自2010-11-11成立以來(lái)，年?duì)I業(yè)額達(dá)到100-200萬(wàn)元。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/672921.html</p></div></div></div></div></div><div id="d22sp3c" class="page-right twoColRt"><div id="zjqipho" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nheb3ce" 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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