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X700渦旋式選粉機（殼體及傳動部件）設(shè)計
摘 要：選粉機是水泥粉磨系統(tǒng)中不可缺少的一種分級設(shè)備,也是提高粉磨系統(tǒng)中水泥產(chǎn)量的主要途徑。而傳統(tǒng)的離心式、旋風(fēng)式選粉機已經(jīng)不適應(yīng)現(xiàn)代水泥工業(yè)發(fā)展的需要,必須開發(fā)新型高效選粉機。為了滿足現(xiàn)代水泥企業(yè)越來越高的生產(chǎn)要求，本課題設(shè)計了X700 渦旋式選粉機。本次設(shè)計采用理論設(shè)計和經(jīng)驗設(shè)計相結(jié)合的方法，通過類比法設(shè)計了殼體和旋風(fēng)筒。首先對其傳動系統(tǒng)進行改進。由于原本所用的減速器價格比較高，易損件多，油耗大，更換麻煩且停產(chǎn)時間長，對水泥企業(yè)的正常生產(chǎn)造成極大的影響。因此用故障率較低，維修及更換零件方便的皮帶傳動取代。然后參考了實踐生產(chǎn)中的一些改進經(jīng)驗進行總體方案的論證，計算了主軸轉(zhuǎn)速和功率，來確定電機的型號。同時改進選粉機的內(nèi)部結(jié)構(gòu)，提高選粉力場。改進措施包括采用籠型轉(zhuǎn)子，導(dǎo)流葉片,耐磨陶瓷,從而提高了選粉效率。經(jīng)過改造后的選粉機大大減少了運行成本，提高了生產(chǎn)效率。
關(guān)鍵詞：渦旋式；改進；傳動；皮帶；選粉力場;選粉機
The design of X700 Eddy type powder selecting machine
(shell and transmission parts)
Abstract : Powder selecting machine is an indispensable equipment of cement grinding system .It is also the main way to increase output in the grinding powder system .Because the traditional centrifugal type and the tornado type of the powder selecting machine is already unsuitable to the modern cement industry development ,so it is necessary to develop new high efficiency the powder selecting machine . In order to meet more and more high production demand , the technological improvement is carried out for X700 Gubernatorial powder selecting machine in this subject. This design adopts the methods which combines theories design and experience design. The shell and the cyclone of canister are optimized based on that the strengths of chassis and support are assured with analogy design .First, its transmission system has been improved. Because the price of the decelerator is high, there are many quick-wear parts, the oil consumption is great, the time of changing the part and non-production is long, it causes bad influence on the normal production of cement enterprises. The transmission fault rate of the belt is relatively low, it is convenient to maintain and change the part. So we take the belt transmission device instead of decelerator. Then referring to some improvement experience in the practice production .And we has calculated the axle rotational speed and the power, and determined the type of electrical machinery the model. At the same time, change the inside structure of the powder selecting machine, improve the selecting force. It includes making Cage-shaped rotors, diversion leaves and Wear-resisting ceramics to improve its powder selecting force field. It reduces the operating cost greatly after transformation, and the production efficiency has been raised.
Key words: eddy; improvement; transmission; belt; powder selecting force field.; powder selecting machine
目錄
1前言…………………………………………………………………………………1
1.1 本課題的來源和技術(shù)要求………………………………………………………1
1.2 本課題要解決的主要問題和設(shè)計總體思路……………………………………1
1.3 預(yù)期的成果及其理論意義………………………………………………………2
2 目前市場上有幾種不同應(yīng)用形式的高效選粉機………………………………3
2.1旋風(fēng)組合式選粉機………………………………………………………………3
2.2高效動態(tài)選粉機…………………………………………………………………3
3總體方案論證………………………………………………………………………4
3.1動力——調(diào)速電機………………………………………………………………4
3.2 立軸——雙支撐系統(tǒng)……………………………………………………………4
3.3喂料口……………………………………………………………………………5
3.4進風(fēng)——導(dǎo)向葉片………………………………………………………………5
3.5旋風(fēng)筒……………………………………………………………………………5
3.6內(nèi)襯的處理——耐磨瓷磚………………………………………………………5
3.7 工作原理…………………………………………………………………………5
3.8改進后的效果……………………………………………………………………6
4具體設(shè)計說明………………………………………………………………………7
4.1循環(huán)負荷和選粉效率………………………………………………………7
4.2 選粉效率E和循環(huán)負荷C的關(guān)系………………………………………8
4.3 工藝參數(shù)…………………………………………………………………………9
4.3.1主要工藝尺寸…………………………………………………………………9
4.3.2合宜轉(zhuǎn)速…………………………………………………………………10
4.3.3生產(chǎn)能力……………………………………………………………………10
4.4 傳動部分設(shè)計………………………………………………………10
4.5 螺栓組聯(lián)接的結(jié)構(gòu)設(shè)計……………………………………………………13
4.6 螺栓聯(lián)接的強度校核………………………………………………14
5焊接工藝……………………………………………………………………17
5.1 焊接接頭及坡口型式…………………………………………………………17
5.2 焊接坡口邊緣的加工………………………………………………………17
5.2.1法蘭的氣割…………………………………………………………………17
5.2.2 坡口的氣割………………………………………………………………18
5.2.3 氣焊規(guī)范的選擇…………………………………………………………18
5.3殼體焊接加工的技術(shù)要求…………………………………………………18
6結(jié)語……………………………………………………………………………19
參考文獻……………………………………………………………………………20
致謝…………………………………………………………………………………21
附錄…………………………………………………………………………………22