DG200型造粒机设计毕业论文
2022-03-15 20:10:52
论文总字数:16685字
摘 要
本文内容主要是DG200型造粒机的设计计算。首先第一部分讲的是粉体技术,介绍了粉体的定义,几何性质及要设计造粒设备的经济评价。然后介绍了四种粉体造粒技术,每种类型列出典型的设备。最后是对DG200型造粒机进行设计计算。
该型造粒机是干法造粒机械,使用粉体物料进行造粒。工作原理是用喂料机构将物料喂料进入轧辊造粒区域,两轧辊之间轧辊力将物料压实,再由轧辊上穴孔的形状来制成所需颗粒形状。对此造粒机的设计主要部分有对辊造粒机造粒主体,以及传动系统。
此型号造粒机的传动设计:选用恰当的电机作为动力,经带轮、减速器等零件构成的传动机构将动力和速度传递给轧辊。通过了解物料性能,实验得到轧辊力大小及载荷类型,然后经过设计计算得到零部件的结构参数,并根据参数选取标准件,最后校核这些零部件是否满足设计要求。
关键词:粉体造粒 粉体物料 轧辊力 对辊造粒机 强制喂料
DG200 Granulator design
Abstract
The content of this paper is mainly about DG200 granulator design and calculation. First, the first part of the powder technology is introduced, introduced the definition of powder, geometric properties and to design the economic evaluation of granulation equipment. And then introduced four powder granulation techniques, each of which lists typical equipment. Finally, the DG200 granulator is designed and calculated.
The granulator is a dry granulation machine, using powder material for granulation. The working principle is to use the feeding mechanism to feed the material into the granulation area of the roll, the roll between the two rollers to compaction of the material, and then the shape of the hole on the roll to make the desired particle shape. The main part of the design of the granulator is the main body of the granulation granulator, as well as the transmission system.
This type of granulator drive design: the choice of the appropriate motor as a driving force, by the pulley, reducer and other parts of the transmission mechanism will be the power and speed to the roll. By understanding the material properties, the experiment results in the roll force size and the load type. Then, the structural parameters of the parts are calculated and calculated according to the parameters. Finally, check whether these parts meet the design requirements.
Key words: powder granulation; powder material; roller strength; roller granulator ; forced feeding
目录
摘要 I
Abstract II
第一章 绪 论 1
1.1粉体技术 1
1.1.1粉体定义 1
1.1.2粉体造粒 1
1.1.3造粒机理 1
1.2粉体的几何特性 3
1.2.1粒径 3
1.2.2粒径分布 4
1.2.3颗粒的形状 4
1.2.4粉体粒径和形状的测量方法 4
1.3造粒方法的选择及设备经济评价 5
第二章造粒方法及常见造粒设备 7
2.1挤出造粒 7
2.2搅拌造粒法 7
2.3熔融造粒 8
2.4喷雾造粒 9
第三章DG200造粒机的设计计算 11
3.1DG200造粒机主要参数计算 11
3.1.1 轧辊直径与宽度 11
3.1.2 轧辊力RF和功率P 12
3.1.3 选取电动机和减速器 13
3.1.4 设计带传动 14
3.1.5 轴的设计 16
3.1.6 设计齿轮传动 18
3.1.7轴上的周向定位 19
3.1.8轴的强度校核 20
3.2 强制喂料器的设计 22
3.2.1 已知条件 22
3.2.2 强制喂料器的设计 22
3.2.3 校核输送能力及计算功率 25
3.2.4 选取电动机和减速器 27
结 语 29
参考文献 30
致 谢 32
第一章 绪 论
1.1粉体技术
1.1.1粉体定义
粉体是由无数微粒粒组成。广义上讲,这些微粒是粉体最小组成。通常在精细状态的材料称为粉体材料,它被称为粉体。诸多粒子形态各异。然而,如果从粒子的角度来看,这些不同类型的粒子,通常可以分为四种类型:初级粒子,聚集体,聚集体颗粒和絮状粒子。
1.1.2粉体造粒
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