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摘要随着技术的发展,生产设备质量及其维护在生产过程中收到越来越多的关注,可靠性工程就是能以最大限度的纠正与控制各种偶然故障并预防产生的一种技术,合理地利用可靠性工程能有效地防止故障和事故的发生,大幅减少维护费用,提高产品可用率,从而提升企业信誉,增强竞争力。喷雾造粒生产设备集多种过程于一身,工艺流程简单,设备装置紧凑,很有优势,但是由于其本身涉及化工等行业,其可靠性的缺失会造成巨大的人员伤亡和不可挽回的经济损失。因此,有必要运用可靠性工程理论由其是FMECA和FTA方法,对喷雾造粒生产线进行可靠性的设计、分析、评估、管理。这对于持续保证设备安全性、提升生产质量、降低生产成本、提高生产系统管理水平有着非常重要的意义。47875
毕业论文关键词： 可靠性；喷雾造粒；FMECA；故障模式
毕业设计说明书外文摘要
Title Research and evaluation on the reliability of automatic production line of spray granulation
Abstract
With the development of technology, the quality and regular maintenance of production equipment are becoming more and more important in the whole production process. Reliability is mean to efficiently prevent failures and accidents, reduce the maintenance costs to a large extent, improve quality of products, and enhance the credibility and competitiveness of enterprises. Spray granulation production equipment contains many multiple functions, and technological processes involved are comparatively simple. Besides, another advantage of this device is its compact structure. However, due to its undeniable connection to the chemical industry, the reliability becomes more significant. Because of the lack of reliability will cause huge casualties and irreparable economic losses. Therefore, it is necessary to apply the reliability theory, especially the method of FMECA and FTA, to design, analyze, evaluate and manage the spray granulation production line. Those do mean a lot to the safety of equipment, the quality of products, decline of production costs and improvement of the management level.
Key words: Reliability; Spray Granulation; FMECA; Failure Mode
目 录
1. 绪论 1
1.1 课题研究的背景和意义 1
1.2 .喷雾造粒及其设备的基本原理相关研究 1
1.4.研究目标和研究内容 3
1.4.1研究目标 3
1.4.2研究内容 3
2. 总体研究方案和生产线系统模型 5
2.1总体研究方案 5
2.2 生产线系统模型 5
2.3 生产线系统的主要构成 8
3. 喷雾造粒生产线系统故障模式影响及危害度分析 11
3.1 FMECA概述 11
3.1.1 FMECA含义和应用 11
3.1.2 FMECA分类 11
3.1.3 FMECA内容与实施 11
3.2 系统单元FMECA概述 14
3.2.1液体加料单元FMECA 14
3.2.2干燥单元FMECA 18
3.2.3 固体加料单元FMECA