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class="proBig"><div id="3rszpw2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhiding/637448356650403521/5890440.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ref2f3y" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhiding/637448356650403521/5890440.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rk3eaho" 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>江蘇負(fù)壓稀相氣流氣力輸送系統(tǒng)供應(yīng)商,氣力輸送</p><p><span>***更新：</span>2021-01-10 10:16:47</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="8rxtuqr" 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(huà): </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(hào)</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="umyp7jq" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="iritf3a" class="box"><p><p style="text-indent:25px">輸送氣流速度對(duì)磨損的影響：輸送時(shí)氣流速度對(duì)管壁磨損的影響較大。如果其它條件相同。降低物料碰撞壁面速度或改變物料撞擊角，都能在很大程度上減少壁面磨損。由于磨損是粒子與管道內(nèi)壁的撞擊或摩擦造成的。因此，粒子的速度越大。撞擊或摩擦的能量就越大，江蘇負(fù)壓稀相氣流氣力輸送系統(tǒng)供應(yīng)商。磨損越嚴(yán)重。通常，磨損量可表示為輸送氣流速度的n次正比例增長(zhǎng)關(guān)系。如果氣流的速度太低，則被輸送的物料就會(huì)沉積在管道中，堵塞管道。因此合理選擇氣流速度是保證系統(tǒng)正常工作的關(guān)鍵。在氣力輸送中，磨損量可大致考慮為與輸送氣流速度的3次方成正比。即：物料與管壁接觸時(shí)的相對(duì)速度越大。形成的接觸壓力越大．產(chǎn)生的接觸頻率越高，江蘇負(fù)壓稀相氣流氣力輸送系統(tǒng)供應(yīng)商，彎管管壁的磨損速度就越快，江蘇負(fù)壓稀相氣流氣力輸送系統(tǒng)供應(yīng)商。圖2表示了輸送粉煤灰時(shí)的氣流速度與磨損量關(guān)系。氣力輸送按工作原理大致可分為吸送式與壓送式兩種類(lèi)型。江蘇負(fù)壓稀相氣流氣力輸送系統(tǒng)供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇負(fù)壓稀相氣流氣力輸送系統(tǒng)供應(yīng)商,氣力輸送" src="https://tyunfile.71360.com/UploadFile/zhiding/637448356650403521/5890440.png"></div><p style="text-indent:25px">輸送系統(tǒng)安裝主要分為三個(gè)部分： (1)設(shè)備的安裝；(2)輸送管路的安裝；(3)灰?guī)煸O(shè)備的安裝。這三個(gè)部份中，有以下幾個(gè)共性，這是安裝時(shí)所必須保證或遵循的：1.所有設(shè)備或材料開(kāi)箱后，應(yīng)保管好有關(guān)資料，待安裝結(jié)束后一起交給需方。2.所有設(shè)備、閥門(mén)和管路安裝應(yīng)按圖紙進(jìn)行施工，如需調(diào)整須事先征詢(xún)?cè)O(shè)計(jì)人員意見(jiàn)。3.所有管路都必須保證氣密性。4.除圖紙中有詳細(xì)表示者外，其余管路按工藝管道安裝設(shè)計(jì)執(zhí)行。有明確安裝地點(diǎn)的設(shè)備和閥門(mén)除外，其余閥門(mén)安裝應(yīng)遵循以下原則：1.經(jīng)常操作的閥門(mén)的安裝位置在便于人員操作，較適宜的安裝高度為距地面1.2m 左右。2.閥門(mén)應(yīng)盡量靠近總管或設(shè)備安裝。3.平行布置管道上的閥門(mén)，其中心線(xiàn)應(yīng)盡量取齊。4.閥門(mén)安裝時(shí)，應(yīng)盡量不要使閥門(mén)承受外加載荷，以免應(yīng)力過(guò)大損壞閥門(mén)。陜西正壓稀相氣流氣力輸送系統(tǒng)哪家好物料在管線(xiàn)中輸送速度低于懸浮速度，是和輸送粉末和小顆粒的物料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇負(fù)壓稀相氣流氣力輸送系統(tǒng)供應(yīng)商,氣力輸送" src="https://tyunfile.71360.com/UploadFile/zhiding/637448356514768551/6572102.png"></div><p style="text-indent:25px">密相氣力輸送系統(tǒng)常見(jiàn)問(wèn)題：1.堵塞管道堵塞是密相氣力輸送系統(tǒng)較常見(jiàn)和較不易處理的故障之一，約占?xì)饬斔拖到y(tǒng)故障率的40％以上。尤其在輸送管道水平段與垂直段連接處，堵塞更為嚴(yán)重。由于輸送管線(xiàn)較長(zhǎng)且架空，因此檢修難度很大。2.部件磨損常見(jiàn)的部件磨損，如倉(cāng)泵出口管障率的40％以上。尤其在輸送管道道閥門(mén)磨損破壞嚴(yán)重，維護(hù)工作量大。緩沖倉(cāng)下旋轉(zhuǎn)給料閥磨損破壞較快、漏粉嚴(yán)重。3.下料不暢密相氣力輸送系統(tǒng)出料時(shí)間長(zhǎng)，粉體貯倉(cāng)運(yùn)行中出現(xiàn)堵粉現(xiàn)象，造成下料困難。4.出力不足密相氣力輸送系統(tǒng)出力偏小或不足，難以適應(yīng)大型裝置，如火力發(fā)電廠(chǎng)等裝置的氣力除灰要求。</p><p style="text-indent:25px">根據(jù)顆粒在輸送管道中的密集程度，氣力輸送分為：負(fù)壓輸送：管道內(nèi)壓力低于大氣壓，自吸進(jìn)料，但須在負(fù)壓下卸料，能夠輸送的距離較短；優(yōu)點(diǎn)：設(shè)備投資、負(fù)荷較小。缺點(diǎn)：運(yùn)行流速高，管道磨損嚴(yán)重，磨損出現(xiàn)漏洞無(wú)法察覺(jué)。在水平管道中進(jìn)行稀相輸送時(shí)，氣速應(yīng)較高，使顆粒分散懸浮于氣流中。氣速減小到某一臨界值時(shí)，顆粒將開(kāi)始在管壁下部沉積。此臨界氣速稱(chēng)為沉積速度。這是稀相水平輸送時(shí)氣速的下限。操作氣速低于此值時(shí)，管內(nèi)出現(xiàn)沉積層，流道截面減少，在沉積層上方氣流仍按沉積速度運(yùn)行。確定輸送管路布置并計(jì)算輸送管路直徑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇負(fù)壓稀相氣流氣力輸送系統(tǒng)供應(yīng)商,氣力輸送" src="https://tyunfile.71360.com/UploadFile/zhiding/637448356471419002/2150826.png"></div><p style="text-indent:25px">考慮氣力輸送材料因素：粒徑和形狀對(duì)輸送階段具有巨大影響，因?yàn)樗鼪Q定了流動(dòng)性以及移動(dòng)材料需要多少空氣。這指的是每個(gè)粒子的形狀。散裝密度是其散裝形式的材料，有助于確定氣動(dòng)系統(tǒng)的設(shè)計(jì)以及將散裝從一個(gè)地方移動(dòng)到另一個(gè)地方所需的內(nèi)容。水分含量會(huì)影響流動(dòng)性，是設(shè)計(jì)氣動(dòng)系統(tǒng)時(shí)的重要考慮因素。水分會(huì)導(dǎo)致材料粘結(jié)管道堵塞。易碎性是指材料粉碎的容易程度。許多材料在與管道表面接觸或者彎頭碰撞時(shí)破裂。如果您擔(dān)心這一點(diǎn)，應(yīng)使用較低的速度來(lái)減少顆粒破碎變形。粘結(jié)性意味著材料在壓力下會(huì)相互粘附，從而在輸送管道內(nèi)產(chǎn)生問(wèn)題。吸濕性是材料容易吸收空氣中水分的能力。這些材料可以涂覆在輸送線(xiàn)的壁上并導(dǎo)致堵塞。使用干燥空氣可有助于減少管線(xiàn)中的水分。據(jù)顆粒在輸送管道中的密集程度，氣力輸送分為：負(fù)壓輸送。江蘇負(fù)壓稀相氣流氣力輸送系統(tǒng)供應(yīng)商</p><p style="text-indent:25px">把旋轉(zhuǎn)供料器從下料斗中物料源源不斷供給下來(lái)的物料輸送到后續(xù)的儲(chǔ)料倉(cāng)中。江蘇負(fù)壓稀相氣流氣力輸送系統(tǒng)供應(yīng)商</p><p style="text-indent:25px">散裝水泥氣力輸送裝船的應(yīng)用：由于皮帶輸送散裝水泥存在揚(yáng)塵現(xiàn)象，無(wú)法真正達(dá)到全密封環(huán)保輸送要求。經(jīng)我司改造設(shè)計(jì)后設(shè)計(jì)采用庫(kù)側(cè)式氣力輸送系統(tǒng)進(jìn)行裝船，將廠(chǎng)內(nèi)水泥庫(kù)內(nèi)的水泥通過(guò)氣力輸送泵輸送至碼頭鋼倉(cāng)，再通過(guò)回轉(zhuǎn)式裝船機(jī)進(jìn)行裝船，實(shí)現(xiàn)散裝水泥全程管道式發(fā)運(yùn)，安全、環(huán)保。經(jīng)過(guò)改造設(shè)計(jì)后整個(gè)輸送系統(tǒng)中控操作，一鍵啟動(dòng)，穩(wěn)定運(yùn)行，該項(xiàng)目輸送水平距離：110m，垂直高度：18m，輸送產(chǎn)量280t/h~300t/h。輸送能耗和皮帶輸送幾乎等同，同時(shí)系統(tǒng)設(shè)備無(wú)任何機(jī)械運(yùn)動(dòng)件，維護(hù)費(fèi)用低。江蘇負(fù)壓稀相氣流氣力輸送系統(tǒng)供應(yīng)商</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2786716.html</p></div></div></div></div></div><div id="zhifm3n" class="page-right twoColRt"><div id="jhxipgc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="9t2yawx" 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" 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