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摘要
煤泥是由細(xì)微粒煤，粉化骨石和水組成的粘稠物，具有粒度細(xì)，微粒含量多，水分和灰分含量大，熱量低，粘結(jié)性較強，內(nèi)聚力大的特點。
本文主要是根據(jù)煤泥破碎時出現(xiàn)的粘性大，容易造成機器堵塞等問題設(shè)計一臺煤泥破碎機。在文中詳細(xì)講解了一下破碎煤泥存在的問題，分析每一種破碎機構(gòu)破碎煤泥會出現(xiàn)的問題，經(jīng)過分析選擇輥式破碎機構(gòu)。結(jié)合設(shè)計參數(shù)，破碎機效率：50t/h，每天工作8小時，一年工作300天，設(shè)計一臺齒輥破碎機。本文對工作參數(shù)進行了確定，然后進行了帶傳動，減速器齒輪，傳動齒輪和齒輥軸的設(shè)計與校核，設(shè)計過程中驗算了設(shè)計的參數(shù)，均合理。設(shè)計的破碎機中由一臺電動機帶動皮帶，經(jīng)過液力偶合器傳遞到減速器，減速器帶動輥軸的轉(zhuǎn)動來實現(xiàn)煤泥的破碎。由于齒輥軸是主要破碎機構(gòu)，對其進行了校核。在破碎過程中會產(chǎn)生振動，我們選擇了在大帶輪和減速器之間加入了液力偶合器。然后對軸承進行了選擇和校核。最后確定了減速器箱體的結(jié)構(gòu)和箱體的基本尺寸。
關(guān)鍵詞：煤泥 ；齒輥軸；破碎機
Abstract
Slime is by fine coal particles, powder bone stone and water viscous material, with fine particle size, particle content, moisture and ash content are low in calories, strong adhesion, cohesion characteristics.
The main purpose of this paper is according to viscous slime crushing of large, easily lead to jam the machine design of a coal crusher. In this paper explain in detail the a broken slime existing problems, analysis each kind of crushing mechanism slime crushing, through analysis and selection of roller crusher mechanism. Combined with design parameters, crusher efficiency: 50t/h, 8 hours a day, a year working 300 days, design a tooth roller crusher. The the working parameters were determined. The followed by a belt drive, gear reducer, transmission gear and the gear and shaft design and verification and design in the process of checking the design parameters are reasonable. Design of crusher is composed of a motor drive belt, after hydraulic coupling transfer to reducer, reducer so as to drive the roll axis of rotation to achieve slime crushing. Since the roller shaft is the main crushing mechanism, it is checked.. In the crushing process will produce vibration, we choose the large pulley and reducer between joined hydraulic coupler. Then the bearing is selected and checked.. Finally, the structure of the reducer box and the basic size of the box are determined.
Keywords: coal ; roll shaft ; crusher