EX1000高效二次風選粉機（傳動及殼體部件）設計
EX1000高效二次風選粉機（傳動及殼體部件）設計,EX1000高效二次風選粉機（傳動及殼體部件）設計,ex1000,高效,二次,風選,傳動,殼體,部件,設計
鹽城工學院畢業(yè)設計說明書 2006
EX1000高效二次風選粉機（傳動及殼體部件）設計
摘要：為了提高水泥粉磨系統(tǒng)中選粉系統(tǒng)的選粉效率，降低循環(huán)負荷，本課題設計了水泥圈流系統(tǒng)中采用的二次風選粉機。二次風選粉機是在高細轉(zhuǎn)子選粉機的基礎上，集懸浮分散、預分級和平面渦流分級技術于一體，專為水泥磨系統(tǒng)適應新標準而設計的專利產(chǎn)品。運用類比法，結合其他選粉機的優(yōu)點，確定殼體的整體布局方案。在適當位置布置約束內(nèi)錐，以穩(wěn)定選粉室內(nèi)的氣體流場及增強二次選粉的效果；細粉分離與收集裝置采用高效低阻旋風筒,提高各級細粉和超細粉的收集量。殼體的改進有利于降低系統(tǒng)風的阻力，提高選粉效率。選粉機采用整體緊湊設計，大大降低了占據(jù)空間，且大大提高了選粉效率。機體工作運行平穩(wěn)，安裝維修方便。選粉機設計的主要特點是采用二次風結構，即在選粉機進風管道上增設一個旁路支風管，作為二次風管，并設置一個機外調(diào)節(jié)的風閥，二次風氣流切向進入選粉室內(nèi)。這樣可以有效地控制上升風速，改變和控制細度。二次風的導入，對粗顆粒能進行二次切割，改善成品的顆粒級配。
關鍵詞：二次風 ；高效選粉機 ；類比法 ；旋風筒；選粉效率；約束內(nèi)錐
Design of EX1000 high efficiency powder-selecting machine with secondary air (transmission and shell parts)
Abstract：In order to improve the powder-selecting efficiency of the powder-selecting system in cement grinding system, reduce circulation load, the powder-selecting machine with secondary air used in the cement loop system is designed. The powder-selecting machine with secondary air, which is combined the aerosol disperse, the pre-gradation with the plane vortex classified technology in a body, is specially designed to adapt to the new standard for cement grinding system in the foundation of the high thin rotor powder selecting machine. Adopting analogy method and combining the advantage of others，the overall arrangement scheme of the shell is determined. In order to stable the flow field in powder-selecting room and strengthen the effect of secondary powder-selecting, constrained inner cone is arranged in the appropriate position. The thin powder separation and the collecting device use the high efficiency coclone with low resistivity, thus the collection property of the fine dust and the ultra fine dust is enhanced. The improvement of the shell is of benefit to reduce the resistance of the system wind and improve the powder–selecting efficiency. The powder-selecting machine is arranged rationally and compactly, occupying little space and improving powder-selecting efficiency greatly. It is the main characteristic that the structure with secondary air is adopted in the powder-selecting machine. By way of secondary air duct, an additional bypass tuyere is set on air-supply line of the powder-selecting machine. In addition, the wind valve for adjustment is established outside the machine, so that secondary air currents flow into power selecting room in circumferential direction. This may be able effectively to control the rising wind speed, change and control fineness. Because of inducting secondary air, the coarse particles can be selected secondly, and grain grading of the finished product is improved.
Key words：secondary air; high efficiency separator; analogy method; cyclone; powder-selecting efficiency; constrainted inner cone
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編號：20933550
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上傳時間：2021-04-21
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EX1000高效二次風選粉機（傳動及殼體部件）設計
ex1000
高效
二次
風選
傳動
殼體
部件
設計
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EX1000高效二次風選粉機（傳動及殼體部件）設計,EX1000高效二次風選粉機（傳動及殼體部件）設計,ex1000,高效,二次,風選,傳動,殼體,部件,設計
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