北京氣流氣力輸送系統(tǒng)生產(chǎn) 服務(wù)為先常州智鼎粉體設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="氣力輸送技術(shù)在糧食行業(yè)的應(yīng)用有哪些問題存在：1、供料器的選擇為了減少物料加速段的能耗，建議盡量選擇能讓物料進(jìn)入輸送系統(tǒng)方向與氣流方向一致的供料器，同時(shí)還需要考慮到在正壓輸送過程中，管道壓力大于下料倉內(nèi)壓力會導(dǎo)致不能下料的問題。2，北京氣流氣"><meta name="keywords" content="北京氣流氣力輸送系統(tǒng)生產(chǎn),氣力輸送"><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 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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>北京氣流氣力輸送系統(tǒng)生產(chǎn),氣力輸送</p><p><span>***更新：</span>2021-02-03 09:12:28</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="bvx4ovc" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">常州智鼎粉體設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>韓同德</p><p><span>郵箱: </span>409766127@qq.com</p><p><span>電話: </span>13815067402</p><p><span>傳真: </span>86_</p><p><span>網(wǎng)址: </span>http://www.czzdft.com</p><p><span>手機(jī): </span>86-13815067</p><p><span>地址: </span>五星街道新莊村委周家村49號</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="3ifpg2y" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="crt4i22" class="box"><p><p style="text-indent:25px">氣力輸送技術(shù)在糧食行業(yè)的應(yīng)用有哪些問題存在：1、供料器的選擇為了減少物料加速段的能耗，建議盡量選擇能讓物料進(jìn)入輸送系統(tǒng)方向與氣流方向一致的供料器，同時(shí)還需要考慮到在正壓輸送過程中，管道壓力大于下料倉內(nèi)壓力會導(dǎo)致不能下料的問題。2，北京氣流氣力輸送系統(tǒng)生產(chǎn)、物料的損耗在糧食氣力輸送過程中，物料的損耗表現(xiàn)為糧食顆粒的破碎。糧食顆粒的破碎不僅會造成糧食的浪費(fèi)，而且對于后期的輸送、儲藏、生產(chǎn)等帶來了一系列的問題。為了減少糧食的破損率，北京氣流氣力輸送系統(tǒng)生產(chǎn)，北京氣流氣力輸送系統(tǒng)生產(chǎn)，提高輸送效率，需要我們對糧食顆粒的輸送特性進(jìn)行研究。有相關(guān)研究表明，沖蝕磨損率隨粒子粒度增大而迅速增大。北京氣流氣力輸送系統(tǒng)生產(chǎn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京氣流氣力輸送系統(tǒng)生產(chǎn),氣力輸送" src="https://tyunfile.71360.com/UploadFile/zhiding/637448356579124065/1243336.png"></div><p style="text-indent:25px">固氣比：對于一定粒度的物料，固氣比有一個(gè)較佳值，此值既能保證物料的輸送，又要保證用氣量較少。若固氣比高于較佳值，物料雖被輸送出去，但用氣量大，物料在輸送管道內(nèi)的流速高，物料對管道的磨損就變大。倉泵壓力下限/上限值設(shè)定倉泵壓力下限值的設(shè)定較為重要，若該值設(shè)定過大，泵內(nèi)或管道內(nèi)的物料未輸送完畢，會影響第二次輸送。若該值設(shè)定過小，泵內(nèi)或管內(nèi)的物料早已輸送完畢，會造成壓縮空氣浪費(fèi)，延長輸送時(shí)間，降低輸送效率。一般將倉泵壓力下限值設(shè)定為倉泵輸送壓力加上0.01～0.03ＭPa。倉泵壓力上限值設(shè)定為倉泵實(shí)際輸送過程中的壓力加上0.02～0.04ＭPa。北京氣流氣力輸送系統(tǒng)生產(chǎn)可以配自動(dòng)控制電控系統(tǒng)，實(shí)現(xiàn)整個(gè)系統(tǒng)無人控制及配合PLC自動(dòng)控制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京氣流氣力輸送系統(tǒng)生產(chǎn),氣力輸送" src="https://tyunfile.71360.com/UploadFile/zhiding/637448356535950232/397066.png"></div><p style="text-indent:25px">負(fù)壓稀相氣力輸送系統(tǒng)特點(diǎn):1、輸送真空壓力低于環(huán)境壓力，即使管道破損也不會這成物料泄瀾而對環(huán)境造成汽染。2、設(shè)備的制造、維護(hù)要求低，工人的可操作性強(qiáng): 可以長距離輸送。3、輸送氣體一般直接取自大氣，氣體的溫度即為環(huán)境溫度; 管道物料有一定的摩擦升溫。4、輸送為連續(xù)式、亦可問斷，管道內(nèi)風(fēng)速高，無物料積存。5、可實(shí)現(xiàn)多點(diǎn)進(jìn)料，多點(diǎn)卸料。6、氣體動(dòng)力源一般為旋渦式、羅茨真空泵，與物料無直接接觸。使用壽命長。7、對輸送物料的話應(yīng)性強(qiáng)，粉料、顆粒料均可順利輸送; 特別適用于自粘性物料。8、環(huán)境污染小，但對除塵面積要求高。</p><p style="text-indent:25px">輸送速度：在氣力輸送過程中的氣流速度為va，糧食顆粒速度為vs，這兩者是影響糧食破碎率的主要因素。兩者之間具有一定的關(guān)系，也就是氣流的速度越大，就表示糧食顆粒的速度越大，從而也表示糧食顆粒破碎率也越高。因?yàn)榧Z食顆粒在氣力輸送過程中的糧食顆粒運(yùn)動(dòng)較為復(fù)雜，無法實(shí)現(xiàn)單個(gè)顆粒速度的定量研究，只能夠通過理論對顆粒平均速度進(jìn)行推導(dǎo)，糧食顆粒速度的計(jì)算為：水平管計(jì)算為vs= (0.7-0.85 ) va ; 垂直管計(jì)算為 vs=vavf ; 彎管為vsβ=vse，其中vsβ表示彎曲角在 β 時(shí)候的顆粒速度，vse表示彎管進(jìn)口地方的顆粒速度。vf表示不懸浮速度，va表示氣流速度，vs表示糧食顆粒的輸送速度。通過懸浮計(jì)算公式能夠得到糧食顆粒在水平管、垂直管和彎管中的速度。在實(shí)際糧食氣力輸送過程中，糧食顆粒之間的碰撞和摩擦在輸送速度較高的時(shí)候會提高糧食顆粒表面的溫度，從而促進(jìn)糧食顆粒出現(xiàn)破壞，在糧食顆粒還沒有到糧食破碎速度的時(shí)候其早就出現(xiàn)了破碎。確定輸送管路布置的同時(shí)，需要確定主要各部件的結(jié)構(gòu)形式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京氣流氣力輸送系統(tǒng)生產(chǎn),氣力輸送" src="https://tyunfile.71360.com/UploadFile/zhiding/637448356650403521/5890440.png"></div><p style="text-indent:25px">設(shè)備維護(hù)：1、旋轉(zhuǎn)供料器：其工作時(shí)由電機(jī)產(chǎn)生的動(dòng)力帶動(dòng)其內(nèi)部的供給葉片旋轉(zhuǎn)，把上部的物料源源不斷的向下部輸送。葉片與殼體之間的間隙≤0.1mm；密封性能極好，且由耐磨材料制成。如果長時(shí)間工作，耐磨片已經(jīng)磨損，影響其工作，應(yīng)把原來的耐磨片拆下，更換新的耐磨片，使其工作時(shí)始終保持氣力密封。2、輸送管道連接牢固，整個(gè)輸送管道安裝完畢后，要做相應(yīng)的耐壓試驗(yàn)，確認(rèn)其連接處無漏氣、跑氣現(xiàn)象。3、手動(dòng)滑板閥要保持動(dòng)作靈活，定期把上面的蓋板拆開，在相應(yīng)的絲桿上加潤滑油，除去絲桿上的積物，使其轉(zhuǎn)動(dòng)順滑。管道內(nèi)壓力低于大氣壓，自吸進(jìn)料。云南氣流氣力輸送</p><p style="text-indent:25px">風(fēng)機(jī)設(shè)在系統(tǒng)末端，要求空氣凈化程度高。北京氣流氣力輸送系統(tǒng)生產(chǎn)</p><p style="text-indent:25px">氣力輸送堵管有什么原因：堵管經(jīng)常發(fā)生在倉泵等發(fā)送器出口不到150m的起始段內(nèi)，這是因?yàn)槠鹗级蔚牧魉俚?、濃度?、流態(tài)較不穩(wěn)定，隨著輸送過程中摩擦阻力對壓縮空氣能量的消耗，管內(nèi)壓力逐漸降低，比容增加，使壓縮空氣體積膨脹，流速增高，就不容易發(fā)生堵塞了，后段管道就是堵塞了也會自動(dòng)疏通，因?yàn)楹蠖喂艿烙捎诳刂七^高的流速以防止磨損，往往采用擴(kuò)徑設(shè)計(jì)，使管徑增大、濃度降低，初速也較前段設(shè)計(jì)的高，因此大粒子趨向沉積于管底，當(dāng)流速在一定的范圍內(nèi)時(shí)，管底流仍能繼續(xù)輸送；萬一出現(xiàn)栓塞，由于大粒子間的縫隙大，中間可有氣流通過，同時(shí)在栓塞后堵塞位置前部的壓力會上升而增加推壓料栓的靜壓力，從而使料栓崩潰而疏通，使輸送繼續(xù)進(jìn)行下去。當(dāng)然在料栓崩潰時(shí)會引起壓力波動(dòng)，產(chǎn)生振動(dòng)和響聲，行話叫“放炮”。因此一方面在設(shè)計(jì)時(shí)應(yīng)合理控制輸送流速，另一方面還應(yīng)注意后段管道支架的強(qiáng)度，控制滑動(dòng)支架的間隙，以免“放炮”時(shí)損壞支架和管道而造成事故。北京氣流氣力輸送系統(tǒng)生產(chǎn)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3141532.html</p></div></div></div></div></div><div id="bqi4chj" class="page-right twoColRt"><div id="nrjtace" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uo2epbd" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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