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黃河科技學(xué)院畢業(yè)設(shè)計(jì)說(shuō)明書 第 IV 頁(yè)
化工攪拌器的設(shè)計(jì)
摘 要
隨著我國(guó)城市化和工業(yè)化的發(fā)展，攪拌器作為主要的攪拌處理設(shè)備，其攪拌和推流的效果對(duì)產(chǎn)品的質(zhì)量有著重要影響。攪拌設(shè)備使用歷史悠久，應(yīng)用范圍廣。在化學(xué)工業(yè)、石油工業(yè)、建筑行業(yè)等傳統(tǒng)工業(yè)中均有廣泛的使用。攪拌操作看來(lái)似乎簡(jiǎn)單，但實(shí)際上，它所涉及的因素卻極為復(fù)雜。攪拌器葉片在電機(jī)的驅(qū)動(dòng)下旋轉(zhuǎn)攪拌液體產(chǎn)生旋向射流，利用沿著射流表面的剪切應(yīng)力來(lái)進(jìn)行混合，使流體以外的液體通過(guò)摩擦產(chǎn)生攪拌作用，在極度混合的同時(shí)，形成體積流，應(yīng)用大體積流動(dòng)模式得到受控流體的攪拌推流輸送。
本文介紹了小型攪拌器設(shè)計(jì)的基本思路和基本理論，分析了攪拌器的基本結(jié)構(gòu)及其相關(guān)內(nèi)容闡述了攪拌器的運(yùn)動(dòng)及其動(dòng)力裝置。通過(guò)對(duì)攪拌器的基本設(shè)備的描述和對(duì)其基本工作原理、作用和功能等相關(guān)文獻(xiàn)的參考，從而對(duì)小型攪拌器的設(shè)計(jì)加以綜述。
關(guān)鍵詞：傳動(dòng)裝置，聯(lián)軸器，支承裝置，電動(dòng)機(jī)，減速器
the Design of Chemical Industry Agitator
Author:Jia Yu Fang
Tutor:Yang Han Song
Abstract
With the development of industrialization and urbanization，the agitator as major sewage treatment equipment is very important to sewage treatment for its effect of mixing and pushing the flow. The equipment of agitator have a long history and are used in most areas. meanwhile agitator are used in tradition industry such as chemistry industry，petroleum industry，architecture industry and so on. The operation of mix round looks as if simple，but actually，the ingredient it involved are very complexity. Blender’s wheel rotates and mixes liquid with the help of engine, it causes revolved efflux nozzle and mixes liquid taking advantage of shearing stress. At the same time it gives exterior liquid shearing stress，then carries exterior liquid by large volume flow.
The text introduces the basic consider way and the basic theory of small agitator design. Analyzing the basic configuration of agitator and related content, and the athletics and power equipment of agitator. Overpass describe the basic fixture of agitator and consult its basic employment principle，function and operation，thereby summarize the design of small agitator.
Key word: Gearing，Join shaft ware，Bearing device，Electromotor，Reducer
目 錄
1 緒論…………………………………………………………………………………………………… 1
1.1攪拌器的概述…………………………………………………………………………………...1
1.1.1攪拌器的應(yīng)用范圍……………………………………………………….……………1
1.1.2攪拌器的工作原理……………………………………………………………………1
1.1.3化工反應(yīng)器中的攪拌設(shè)備…………………………………………………………1
1.2化工攪拌器的適應(yīng)條件和構(gòu)造……………………………………………………………2
1.2.1化工攪拌器的適應(yīng)條件………………………………………………………………2
1.2.2化工攪拌器的構(gòu)造……………………………………………………………………2
1.3課題的目的、意義、國(guó)內(nèi)外現(xiàn)狀……………………………………………………………..3
1.3.1課題的目的、意義……………………………………………………………………3
1.3.2攪拌器的發(fā)展史及現(xiàn)狀 …………………………………………………………3
1.3.3攪拌器的主要類型及其發(fā)展概況…………………………………………………4
1.3.4結(jié)語(yǔ)………………………………………………………………………………………9
1.4本課題的設(shè)計(jì)思路…………………………………………………………………………10
2 攪拌容器的設(shè)計(jì) …………………………………………………………………………………10
2.1攪拌容器的設(shè)計(jì)探討………………………………………………………………………11
2.2攪拌容器的設(shè)計(jì)計(jì)算……………………………………………………...………………12
2.2.1確定筒體的幾何參數(shù)………………………………………………………………12
2.2.2封頭的設(shè)計(jì)……………………………………………………….…………………14
3 傳動(dòng)裝置的選擇和攪拌器的設(shè)計(jì)………………………………………………………………16
3.1攪拌器的選型…………………………………………………………………………….…16
3.2攪拌器功率的計(jì)算……………………………………………………………..………16
3.3攪拌軸的結(jié)構(gòu)及材料………………………………………………………………………17
3.3.1軸的結(jié)構(gòu)………………………………………………………………………………17
3.3.2軸的材料………………………………………………………………………………17
3.3.3攪拌軸的計(jì)算………………………………………………………………………17
3.3.4攪拌軸的形位公差和表面粗糙度要求…………………………………………19
3.4攪拌器及傳動(dòng)裝置等的設(shè)計(jì)及計(jì)算………………………………………………..…….19
3.4.1攪拌器的選擇………………………………………………………………………19
3.4.2電動(dòng)機(jī)的選型………………………………………………………………………19
3.4.3減速器的選型…………………………………………………………………………20
3.4.4軸承的選擇……………………………………………………………………………20
3.4.5聯(lián)軸器的選擇…………………………………………………………………………21
3.5傳動(dòng)裝置的機(jī)架……………………………………………………………………………22
3.6底座的設(shè)計(jì)……………………………………………………………………………………23
3.7攪拌器的軸封裝置…………………………………………………………………………24
3.8攪拌器槳葉的設(shè)計(jì)…………………………………………………………………………26
3.8.1攪拌器槳葉的選型………………………………………………………………….26
3.8.2攪拌槳葉的直徑設(shè)計(jì)……………………………………………………….……….27
3.9攪拌器的接管口支座的結(jié)構(gòu)設(shè)計(jì)………………………………………………………..27
3.9.1液體進(jìn)料管……………………………………………………………………………28
3.9.2液體出料管……………………………………………………………………………28
3.9.3儀表接管口……………………………………………………………………………29
3.9.4法蘭的選擇…………………………………………………………………………29
3.9.5設(shè)備支座的選擇……………………………………………………………………30
結(jié)論………………………………………………………………………………………………………32
致謝……………………………………………………………………………………………………..33
參考文獻(xiàn)…………………………………………………………………………………………………34
附錄………………………………………………………………………………………………………35