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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>青海氣流氣力輸送系統(tǒng)供應(yīng)商,氣力輸送</p><p><span>***更新：</span>2021-01-23 01:11:15</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="2yu4g0k" 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="qk4egi2" class="page-proshow02"><p class="title">詳細說明</p><div id="iie2a0a" class="box"><p><p style="text-indent:25px">元器件故障：壓力變送器故障倉泵泵內(nèi)壓力在整個運行控制過程中起到十分關(guān)鍵的作用，直接影響系統(tǒng)的運行和對故障的判斷。壓力變送器常見故障：①引壓管泄漏，造成流化過程中無法達到設(shè)定壓力，倉泵因加壓超時而退出運行。②未到倉泵壓力下限，輸送過程結(jié)束，造成管道內(nèi)積灰，影響同一輸送管道其它倉泵的輸送。③接點電壓為24Ｖ，接點易受環(huán)境影響而產(chǎn)生干擾。④接點起弧碳化，接觸不良。⑤引壓管堵塞，青海氣流氣力輸送系統(tǒng)供應(yīng)商，使得變送器壓力數(shù)值始終不變或變化很小，造成誤堵管。在正壓情況下，物料易從排料口卸出，青海氣流氣力輸送系統(tǒng)供應(yīng)商，青海氣流氣力輸送系統(tǒng)供應(yīng)商，因而分離器、除塵器的構(gòu)造簡單，一般不需要鎖風(fēng)器。青海氣流氣力輸送系統(tǒng)供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青海氣流氣力輸送系統(tǒng)供應(yīng)商,氣力輸送" src="https://tyunfile.71360.com/UploadFile/zhiding/637448356415237359/5771817.png"></div><p style="text-indent:25px">氣力輸送過程中糧食破碎產(chǎn)生的原因：壓力因素氣力輸送過程中糧食出現(xiàn)破碎的主要原因有多種，比如因為沖擊或者剪切應(yīng)力等，并且管壁和糧食顆粒的摩擦也會使糧食顆粒出現(xiàn)破碎。本文就從不同角度研究氣力輸送過程中糧食破碎的原理。從氣力輸送過程中糧食受力的角度進行分析，糧食由于初始輸送力的因素，導(dǎo)致糧食顆粒會受到擠壓力和沖擊力，并且糧食顆粒之間也會出現(xiàn) 碰撞和磨損，糧食在輸送過程中還會受到碰撞和磨損。這些輸送過程中糧食受到的作用力就會對糧食顆粒造成剪切力和壓力，大于糧食顆粒的作用力，從而使糧食顆粒出現(xiàn)破碎的現(xiàn)象。青海氣流氣力輸送系統(tǒng)供應(yīng)商設(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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青海氣流氣力輸送系統(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">在垂直管道中作向上氣力輸送，氣速較高時顆粒分散懸浮于氣流中。在顆粒輸送量恒定時，降低氣速，管道中固體含量隨之增高。當氣速降低到某一臨界值時，氣流已不能使密集的顆粒均勻分散，顆粒匯合成柱塞狀，出現(xiàn)騰涌現(xiàn)象，壓力降急劇升高。此臨界速度稱噎塞速度，這是稀相垂直向上輸送時氣速的下限。對于粒徑均勻的顆粒，沉積速度與噎塞速度大致相等。但對粒徑有一定分布的物料，沉積速度將是噎塞速度的2～6倍。氣力輸送按工作原理大致可分為吸送式與壓送式兩種類型。吸送式氣力輸送，是將大氣與物料一起吸入管道內(nèi)，用低氣壓力的氣流進行輸送，因而又稱為真空吸送。壓送式氣力輸送，是用高于大氣壓力的壓縮空氣推動物料進行輸送的。</p><p style="text-indent:25px">稀相氣力輸送：稀相氣力輸送是一種高速系統(tǒng)，特點是材料不斷懸浮在氣流中。材料基本不會在任何位置積聚在輸送管道的底部。較好用于密度較小的非磨蝕性，非易碎材料，例如面粉或玉米淀粉。較大的材料需要更高的氣流以保持顆粒懸浮，并且因為稀相氣力輸送速度過快與管道壁和彎頭的摩擦，材料基本不可能保持較高完整度。但是如果您不關(guān)心物料的完整度可以忽略。在決定氣動輸送系統(tǒng)時，還要記住其他幾個問題。將輸送線和系統(tǒng)設(shè)備接地可以減少靜電。此外，有毒材料應(yīng)與真空系統(tǒng)一起使用，以防止泄漏泄到環(huán)境中。較后，一些材料在暴露于空氣時可形成性混合物，需要在輸送系統(tǒng)中使用其他替代氣體。有粘附性或在高速運動時易產(chǎn)生靜電的物料，不宜于進力輸送。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青海氣流氣力輸送系統(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">密相氣力輸送系統(tǒng)常見問題：1.堵塞管道堵塞是密相氣力輸送系統(tǒng)較常見和較不易處理的故障之一，約占氣力輸送系統(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，堵塞更為嚴重。由于輸送管線較長且架空，因此檢修難度很大。2.部件磨損常見的部件磨損，如倉泵出口管障率的40％以上。尤其在輸送管道道閥門磨損破壞嚴重，維護工作量大。緩沖倉下旋轉(zhuǎn)給料閥磨損破壞較快、漏粉嚴重。3.下料不暢密相氣力輸送系統(tǒng)出料時間長，粉體貯倉運行中出現(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)電廠等裝置的氣力除灰要求。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。青海氣流氣力輸送系統(tǒng)供應(yīng)商</p><p style="text-indent:25px">在正壓作用下，物料不易進入輸送管，因此供料裝置構(gòu)造比較復(fù)雜。青海氣流氣力輸送系統(tǒng)供應(yīng)商</p><p style="text-indent:25px">設(shè)備維護：1、羅茨風(fēng)機：羅茨風(fēng)機使用一定時間后應(yīng)及時給軸承中加入相應(yīng)的潤滑油，使用一段時間后要及時更換齒輪油。2、管道分路閥：其工作時動作氣缸產(chǎn)生的動力使其內(nèi)部的球閥切換方向，完成相應(yīng)的管道換向功能，其換向時必須相應(yīng)輸送過程已經(jīng)停止，避免輸送過程正在進行，突然換向使其換向，這樣換向閥受到的沖擊比較大，容易卡死，且氣缸受到的損傷也比較大。如果氣缸動作失靈，應(yīng)檢查相應(yīng)的氣路是否通暢，氣壓是否達到相應(yīng)的工作要求。青海氣流氣力輸送系統(tǒng)供應(yīng)商</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2964943.html</p></div></div></div></div></div><div id="oaokqag" class="page-right 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