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鹽城工學(xué)院本科畢業(yè)設(shè)計(jì)說明書
Φ2.4×10m球磨機(jī)筒體部分設(shè)計(jì)
摘要: 為了提高粉磨效率，滿足生產(chǎn)工藝要求，設(shè)計(jì)了用于粉磨水泥生料的Φ2.4×10m球磨機(jī)的筒體部分。設(shè)計(jì)了一種開流形式能實(shí)現(xiàn)圈流工藝的粉磨工藝系統(tǒng)，選定了具有選粉作用的雙層隔倉(cāng)板，物料通過篦板進(jìn)入雙隔倉(cāng)中間的空間，由揚(yáng)料板收集到導(dǎo)料錐上，合乎要求的物料進(jìn)入下一倉(cāng)，粗料返回一倉(cāng)繼續(xù)粉磨，實(shí)現(xiàn)磨內(nèi)自選粉的工藝過程。設(shè)計(jì)了筒體、中空軸、端蓋的結(jié)構(gòu)，并進(jìn)行了強(qiáng)度校核計(jì)算，確保其長(zhǎng)期安全可靠。對(duì)磨內(nèi)襯板進(jìn)行了選型設(shè)計(jì)，同時(shí)合理地選擇了磨內(nèi)研磨體的級(jí)配，以保證整個(gè)粉磨系統(tǒng)的正常生產(chǎn)。
關(guān)鍵詞：球磨機(jī)；粉磨效率；粉磨系統(tǒng)；雙層隔倉(cāng)板
The design of the Φ2.4×10m ball mill (cylinder part)
Abstract: In order to improve grinding efficiency and meet the demands of production technology,the cylinder part of the Φ2.4×10m ball mill used in grinding the raw material of cement is designed. The open-current grinding system which can achieve closed-current is designed, the double-deck separter storehouse board used to choose the balls is chose,when material passes the lean into the double-deck separate storehouse,it is collected by the cone body,partial material which is qualified enters into the next storehouse,while big material retures back till it is qualified,then the system comes ture the process of free choosing technology in the mill.The cylinder,empty axle and overlay are designed,the intensity is checked,to guarantee it is safe and reliable for a long time.The liner of the mill is designed,proper grading the grinding media, so as to ensure the whole grinding system to product normally.
Key words: boll mill; grinding efficiency ; grinding system;
double-deck separate storehouse board
目 錄
1 前言 …………………………………………………………………………………… 1
2 粉磨工藝系統(tǒng) ………………………………………………………………………… 2
2.1 粉碎 ………………………………………………………………………………… 2
2.2 粉磨系統(tǒng)流程 ……………………………………………………………………… 3
3 球磨機(jī)的總體設(shè)計(jì) …………………………………………………………………… 5
3.1 球磨機(jī)的工作原理 ………………………………………………………………… 5
3.2 球磨機(jī)的主要參數(shù)計(jì)算 …………………………………………………………… 5
4 球磨機(jī)回轉(zhuǎn)部分設(shè)計(jì) ………………………………………………………………… 9
4.1 筒體部分設(shè)計(jì) ……………………………………………………………………… 9
4.2 磨頭部分設(shè)計(jì) ………………………………………………………………………16
4.3 襯板類型設(shè)計(jì) ………………………………………………………………………22
4.4 隔倉(cāng)板的選型設(shè)計(jì) …………………………………………………………………23
5 研磨體的確定 …………………………………………………………………………27
5.1 研磨體的運(yùn)動(dòng)分析 …………………………………………………………………27
5.2 研磨體運(yùn)動(dòng)基本方程 ………………………………………………………………27
5.3 研磨體級(jí)配 …………………………………………………………………………28 6 結(jié)論 ……………………………………………………………………………………32
致謝 ………………………………………………………………………………………33
參考文獻(xiàn) …………………………………………………………………………………34
附錄 ………………………………………………………………………………………35