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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dikczbd" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>湖南負壓稀相氣力輸送,氣力輸送</p><p><span>***更新：</span>2021-01-26 04:11:03</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="wliqspr" 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: </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="3mtgdfx" class="page-proshow02"><p class="title">詳細說明</p><div id="scewif3" class="box"><p><p style="text-indent:25px">氣力輸送中的“氣”都用到哪里了？：1，湖南負壓稀相氣力輸送、空氣和物料在水平輸料管中的壓力損失這部分壓力損失主要是由空氣和物料在輸送過程中沿管壁的摩擦，物料顆粒間得相互摩擦、碰撞以及保持物料顆粒處于懸浮狀態(tài)所消耗的壓損造成的。2、空氣和物料在垂直輸料管中的壓力損失物料在垂直輸料管中的壓力損失與物料懸浮提升產(chǎn)生的壓力損失、混合比、垂直管氣流速度、重力加速度、阻力系數(shù)、垂直管提升高度有關(guān)。3、物料起動壓力損失在供料處物料進入輸送系統(tǒng)，為了使物料起動，從零到達穩(wěn)定速度，必須消耗一定的氣流能量，即產(chǎn)生一定的壓力損失。4、彎管中的壓力損失當空氣和物料的顆粒流通過彎管時，運動方向發(fā)生變化，因慣性力及離心力作用，彎管處受沖擊、摩擦，物料在管道斷面上會重新分布何起動，引起很大的壓力損失。5、其他壓力損失其他壓力損失包括：物料分離器、除塵器，湖南負壓稀相氣力輸送、消音器，湖南負壓稀相氣力輸送、風機接管等。鼓風機或空氣壓縮機在系統(tǒng)首端，對空氣凈化程度要求低。湖南負壓稀相氣力輸送</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南負壓稀相氣力輸送,氣力輸送" src="https://tyunfile.71360.com/UploadFile/zhiding/637448356715061482/4940858.png"></div><p style="text-indent:25px">正壓稀相氣力輸送系統(tǒng)特點：1、利用氣體動壓，物料以較高速度在輸送管道中前進(8m/s～25m/s ),輸送壓力沿輸送管道逐漸降低。2、連續(xù)輸送，輸送流態(tài)、輸送壓力與輸送速度、料氣比基本保持穩(wěn)定，運行可靠性高、容易維護。3、可實現(xiàn)多點同時進料及多點出料。4、應(yīng)用于閉環(huán)系統(tǒng)時，不必增加氣體緩沖設(shè)備，容易控制。5、輸送量大，尤其適合于短距離或中等距離的氣力輸送。正壓稀相氣力輸送系統(tǒng)基本參數(shù)：（*供參考，依據(jù)具體物料特性而定）空氣速度: 15m/s～30m/s。物料速度: 8m/s～15m/s。輸送能力: 1～100t/h。輸送距離: 較大1000m (可以采用多級動力源)。氣源類型: 羅茨風機或羅茨空壓機。重慶正壓密相氣流氣力輸送系統(tǒng)生產(chǎn)氣力輸送又稱氣流輸送，是利用氣流的能量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南負壓稀相氣力輸送,氣力輸送" src="https://tyunfile.71360.com/UploadFile/zhiding/637448356441458393/5397298.png"></div><p style="text-indent:25px">氣力輸送設(shè)計中，常見的幾個氣力輸送設(shè)計誤區(qū)：開始點氣力輸送系統(tǒng)的壓力誤算在氣力輸送中，難度較大的就是如何正確的計算整套氣力輸送系統(tǒng)線路長度的壓降，因為在一套氣力輸送中的變量有很多，其中包括：管道的口徑、線路的布局、產(chǎn)品的密度、粉粒體物料的粒度等等，但是壓力問題又在整套氣力輸送中至關(guān)重要，可能一點點的失誤都會引發(fā)氣力輸送系統(tǒng)的整體問題第二點氣力輸送系統(tǒng)中的低拾取速度一定要記住輸送系統(tǒng)上存在壓力梯度。一端的空氣速度與另一端的空氣速度差異很大時，如果不考慮通過系統(tǒng)的壓降，通常拾取速度不會高到足以使產(chǎn)品流化，否則拾取器會堵塞。</p><p style="text-indent:25px">氣力輸送系統(tǒng)實際效果的保證要看這些綜合知識：負壓氣力輸送在料封泵屬于工業(yè)上常用的氣力輸送中的一種正壓負壓氣力輸送，它的氣力輸送操作過程是在全封閉狀態(tài)下進行，因此氣力輸送機對環(huán)境幾乎沒有污染。而且機器設(shè)備的投資費用低，負壓氣力輸送料封泵結(jié)構(gòu)簡單、體積小、重量輕，氣力輸送管線同樣簡便易安裝，土建投資非常少，尤其是在螺旋泵更換為料封泵的項目中，除了料封泵制作一小部分的材料費，再無須增加其它任何費用。另外負壓氣力輸送料封泵在運轉(zhuǎn)操作過程中的檢修工作量非常小，一般只更換噴嘴、出料擴散管，偶爾需要換換進氣管的密封盤根。部件要保持密封，國面分離器、除塵器、鎖風器等部件的構(gòu)造比較復(fù)雜。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南負壓稀相氣力輸送,氣力輸送" src="https://tyunfile.71360.com/UploadFile/zhiding/637448356415237359/5771817.png"></div><p style="text-indent:25px">密相氣力輸送是氣固兩相流的復(fù)雜運動過程。目前密相倉泵氣力輸送系統(tǒng)參數(shù)的確定仍基于懸浮型稀相正壓氣力輸送計算方法，重要參數(shù)仍依賴經(jīng)驗選取，計算結(jié)果誤差較大，使工程設(shè)計和運行管理具有不確定性。影響密相氣力輸送的關(guān)鍵因素是能耗和穩(wěn)定性，在參數(shù)設(shè)計、設(shè)備選型期間就需考慮系統(tǒng)壓力損失系統(tǒng)壓力損失包括供料裝置壓力損失、物料加速和提升壓力損失、管路沿程壓力損失（水平直管、垂直直管、彎管、斜管、管件、閥件等）及分離器壓力損失等。通常采用經(jīng)驗公式，以輸送氣體的壓力損失為基礎(chǔ)，用壓損因子來考慮輸送物料的壓力損失。設(shè)計計算時應(yīng)對易引起壓力下降或流阻較大的地方多加考慮，選擇合理的材料和設(shè)計方案。氣體動力源一般為旋渦式、羅茨真空泵，與物料無直接接觸。四川通用氣力輸送系統(tǒng)價格</p><p style="text-indent:25px">設(shè)備的制造、維護要求低，工人的可操作性強: 可以長距離輸送。湖南負壓稀相氣力輸送</p><p style="text-indent:25px">氣力輸送管道磨損及對策：1、粒子強度粒子強度主要是影響粒子在輸送過程中的破碎難度與破碎率，以及由此引起的二次磨損。被輸送物料的平均粒徑隨經(jīng)過彎頭數(shù)量的增加而呈減小的趨勢。這種粒徑減小的趨勢越明顯，相應(yīng)材料對彎頭造成的沖蝕磨損率越高，也就是說，粒子在輸送過程中越容易破碎，則其產(chǎn)生的沖蝕磨損率越高。2、粒子粒度粒子粒度對彎頭沖蝕磨損的影響與常規(guī)沖蝕磨損影響規(guī)律類似，即對于不同氣力輸送條件下的沖蝕磨損，粒徑都存在極限值。當粒子粒徑大于極限值時，磨損量趨于穩(wěn)劇。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。湖南負壓稀相氣力輸送</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3013404.html</p></div></div></div></div></div><div id="lfmj2ap" 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