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摘要 在 60 年代末 70 年代初期發(fā)展了一種 2000干燥機(jī)設(shè)計(jì) 這種設(shè) 備結(jié)構(gòu)簡單 操作方便 適用于各種難干燥的粉粒狀物料和熱敏性物料 的干燥 如聚乙烯 農(nóng)藥 人造肉 硫酸銅 食鹽等 但臥式多室流化 干燥器的熱效率比多層流化床干燥器低 尤其是在采用較高熱空氣溫度 時其熱效率將顯得更差 隨著應(yīng)用技術(shù)的不斷發(fā)展 流化床干燥器的型 式及應(yīng)用也越來越多 設(shè)備的分類方法也有所不同 多年來 流化床干 燥器在工業(yè)上有許多應(yīng)用 流化床干燥器是近年來發(fā)展的一種新型高效 干燥器 目前在化工 輕工 醫(yī)藥 食品等工業(yè)中已廣泛應(yīng)用 而且已 逐步推廣到造粒 煅燒 冷卻等方面 干燥時由于氣固兩相逆流接觸 劇烈攪動 固體顆粒懸浮于干燥介質(zhì)之中 具有很大的接觸表面積 無 論在傳熱 傳質(zhì) 容積干燥強(qiáng)度 熱效率等方面都很優(yōu)良 流化床干燥 器操作簡單 勞動強(qiáng)度低 勞動條件好 檢修方便 運(yùn)轉(zhuǎn)周期長 由于 床層溫度平穩(wěn) 干燥效果亦好 目前應(yīng)用最廣的臥式振動流化床干燥器 形狀和基本結(jié)構(gòu)與普通臥式流化床干燥器很相似 篩板在圓筒箱體內(nèi)與 箱體中心為軸做左右上下振動 物料在篩板上在振動的作用下做上拋翻 轉(zhuǎn)循環(huán)運(yùn)動和向出口端直線運(yùn)動 物料依靠機(jī)械振動和穿孔氣流雙重作 用流化 關(guān)鍵詞 干燥機(jī) 振動 干燥 Abstract In the late 1960s early 1970s the development of a multi room horizontal flow of driers This simple structure of equipment easy to operate difficult to apply to a variety of dry powder materials and granulose Reminxing materials dry But horizontal flow more room than the thermal efficiency of dryers fluid bed dryers multi storey low especially in a hot air temperature the higher thermal efficiency will be even worse With the continued development of applied technology fluid bed dryers patterns and applications is also increasing equipment classification is different Over the years fluid bed dryers have many applications in industry such as single cylinder shaped fluid bed multi storey cylinder shaped fluid bed dryers fluid bed dryers horizontal multi room a blender fluid bed inert particles fluid bed vibration fluid bed Fluid bed dryers is a new development in recent years efficient dryers Currently in the chemical industry light industry medicine food and other industries has been widely applied but has gradually extended to Zaoli calcine cooling and so on Dry because Qiguliangxiang current contact dramatic mix Solid particles suspended in the dry medium the contact surface is significant both in heat transfer transmission quality volume dry strength thermal efficiency aspects are fine Fluid bed dryers operate simple low labor intensity good working conditions overhaul facilities functioning cycle long The bed temperature stable dry results also good Currently the most widely applied horizontal dryers and the basic structure and shape of the ordinary horizontal fluid bed dryers very similar The difference is that the entire fabric through the spring loaded support on the base a material tilted slightly porous panels fabric side or on both sides with the electrical vibration Materials rely on mechanical vibration and perforation of the dual roles of the flow of air currents and vibration role in the forward movement Key words dryer Vibrarate Oscillation 目 錄 引 言 1 第一章緒論 2 1 1 干燥技術(shù)地現(xiàn)狀及前景 2 1 2 干燥地基本原理 2 1 3 干燥地目地 3 1 4 干燥地方法 3 第二章 流化床這項(xiàng)技術(shù) 5 2 1 流化床干燥機(jī) 5 2 2 優(yōu)點(diǎn) 5 第三章 振動這項(xiàng)技術(shù) 7 3 1 振動干燥地環(huán)節(jié) 7 3 2 多層振動流化床干燥器 8 3 2 1 多 層振動流化床干燥器地工作原 8 3 2 2 性能特點(diǎn) 9 3 3 關(guān)于振動流化床地文獻(xiàn)綜述 11 第四章 振動式單循環(huán)干燥機(jī)地計(jì)算 14 4 1 干燥環(huán)節(jié) 14 4 2 干燥物料 14 4 3 實(shí)驗(yàn)參數(shù)地調(diào)節(jié)和測試 15 4 4 機(jī)體地計(jì)算 16 4 5 振動電機(jī)地選擇 23 4 6 彈簧地核算 24 4 7 干燥機(jī)地力學(xué)分析 27 結(jié) 論 28 參 考 文 獻(xiàn) 29 致 謝 30