基于单片机的工业锅炉水位控制系统设计.doc

基于单片机的工业锅炉水位控制系统设计 摘 要 锅炉计算机控制是近年来开发的一项新技术，它是微型计算机软、硬件、自动控制和锅炉节能等几项技术紧密结合的产物，作为锅炉控制装置，其主要任务是保证锅炉的安全、稳定、经济的运行，减轻工作人员的劳动强度。采用微计算机控制，能对锅炉进行自动检测、自动控制等多项功能。由于我国工业锅炉生产操作水平落后，造成很多大量的热能丢失，实践证明，工业锅炉实现微型计算机控制，是锅炉安全生产，提高热效率，节约能源的一大创举，也为锅炉生产开辟了广阔的前景。 本设计采用三冲量水位控制系统，以锅炉水位为主控信号，蒸汽流量为前馈信号，给水流量为控制器的反馈信号。通过单片机控制，使锅炉水位维持在正常的范围内，当水位超过上限或下限时，能及时报警并采取相应的措施。 关键词：三冲量控制，汽包水位，锅炉温度 ！！所有下载了本文的注意：本论文附有CAD图纸和完整版最终设计，凡下载了本文的读者请留下你的联系方式（QQ邮箱），或加我百度用户名QQ，我把图纸发给你。最后，希望此文能够帮到你！ The design of industrial boiler water level control stystem base Single Chip Machine ABSTRACT In recent years ,computer control of boiler was a new technology.It is a union product with the close connection of micro-computer hardware and software, automatic control and the energy of boiler-saving technology. As a boiler control devices, their main task is to ensure that the boiler security, stability and economic operate, ease the labor intensity of staff.Using of micro-computer control, the boiler can automatically detect,automatic control, and so on.Since the backward of our contrys industrial in boiler operation production, resulting in many lost a lot of heat.Practice shows that the industrial boiler controlled by micro-computer is not only a major undertaking in the boiler safety in production, increase thermal efficiency, energy conservation, but also for the production of boilers opened up a broad prospect. This design uses the control system of three-volume water level, the boiler water level as main control signal, the steam flow as the feed-forward signal, the water supply flow as feedback signalwater level by the Single Chip Machine control, to maintain the normal range of boiler. when the water level exceeds the limit or under the limit, it can be timely warning and take corresponding measures. KEY WORDS: Three elements control ，Steam drum water level，boiler temperature 目　录 前　言 1 第1章 概述 2 1.1 设计的目的和意义 2 1.1.1 设计的目的和意义 2 1.1.2 应解决的问题 2 1.1.3 指导思想 3 1.2 国内外发展现状 3 1.2.1 国内外发展现状 3 第2章 设计方案 5 2.1 单冲量水位控制系统 5