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鹽城工學院機械工程系畢業(yè)設(shè)計說明書 摘要 本文在分析單筒式回轉(zhuǎn)烘干機存在問題的基礎(chǔ)上，介紹了套筒式回轉(zhuǎn)烘干機的結(jié)構(gòu)特點和工作原理，并依據(jù)該機在水泥廠的使用效果、實測數(shù)據(jù)和計算結(jié)論，說明該機無論在理論還是實踐中都是一種高效、節(jié)能的理想烘干設(shè)備。套筒式烘干機是通過對單筒烘干機的單一筒體改為疊在一起的兩筒或三筒，以縮短烘干機的外形尺寸。該機工作時，物料和熱氣流依次進入內(nèi)外筒體，在烘干機內(nèi)作“V”或“N”形往復折流后，充分利用熱能烘干物料后再卸出。該烘干機筒體部分由兩個筒軸水平放置的內(nèi)外套筒組成，內(nèi)通為一錐筒，外筒為直筒，這就使通體的截面得到充分利用，其筒體外形總長度約為相當?shù)膯瓮驳?0％－60％，從而大幅度的減少了占地面積和廠房建筑面積。套筒式烘干機將以其結(jié)構(gòu)緊湊、占地面積小、熱效率高、投資省、適應性強、運轉(zhuǎn)可靠等特點，為水泥廠的原、燃料烘干提供了一種較理想的烘干設(shè)備。 關(guān)鍵詞：回轉(zhuǎn)式烘干機、套筒式烘干機、節(jié)能 Abstract The single cylinder type of this text at analyze dryer turns round the foundation exsits the problem is last, introducing a cylinder type turns round the construction characteristics of the dryer with work principle, and according to that machine usage in cement works result, solid measure the data with compute the conclusion, explain that machine to is all a kind of in theories still practice regardless efficiently, the ideal of the economy energy dries the equipments.A cylinder type dryer is an one to pass to the single the dryer of cylinder to change for together of two cylinder or three cylinder , to shorten the shape size of the dryer.When that machine work, the material flows to enter the of cylinder outside the inside one by one in order with the hot air, after dryer inside make" V" or" N" form back and forths fold flow, make use of well the thermal energy dries the material empress unloads again.The dryer's cylinder part inside coat cylinder that place be constituted by two cylinder stalk level, inside is a cylinder , the outside cylinder is for keeping the cylinder , this make the an of the of cylinder got to make use of well, its cylinder shape total length invites 50% － 60% of the very single cylinder , from but significant decrease cover the area to construct the area with the factory premises Keywords:Turn round the type dryer, set cylinder type dryer, economy 目錄 0 引言 1 0.1 概述 1 0.2 工作原理及結(jié)構(gòu)特點 1 0.3 結(jié)語 2 1 物料的烘干 3 1.1 干燥設(shè)備分類及在水泥工業(yè)中的應用 3 1.2 回轉(zhuǎn)烘干機的型號和特性 4 1.3 工作原理及結(jié)構(gòu)特點 6 2 雙筒烘干機的設(shè)計計算 8 2.1 水分蒸發(fā)強度及烘干機尺寸計算 8 2.2 物料需在轉(zhuǎn)筒內(nèi)烘干時間的計算 10 2.3 烘干機轉(zhuǎn)速的計算 11 2.4 回轉(zhuǎn)烘干機所需動力的計算 12 2.5 烘干機產(chǎn)量的計算 13 3 卸料罩殼的設(shè)計 14 4 密封裝置的設(shè)計 15 4.1 密封裝置的位置與要求 15 4.2 密封結(jié)構(gòu) 15 5 傳動裝置 17 5.1 電動機選型 17 5.2 YCT系列電動機 17 6 減速機的設(shè)計 19 7 支承裝置 20 7.1 托輪與軸承的結(jié)構(gòu) 20 7.2 托輪與軸承的設(shè)計 20 8 結(jié)論 21 致謝 22 參考文獻 23 附件清單 24 II