Comparison of energy analysing.pdf
热电站锅炉给水泵用能分析【论文类】【20400字】【优秀机械毕业设计论文】
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上传时间：2016-02-28
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- 关 键 词：
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热电站
锅炉
水泵
分析
论文
优秀
优良
机械
毕业设计
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文档包括:
说明书一份,40页,20400字左右.
开题报告一份。
外文翻译一份。
摘要
热电站的运行不仅仅依赖发电机组本身，而且还依赖于热系统中辅机的配置和运行方式。给水泵作为热电站的重要辅机设备之一，其运行状况会直接影响整个发电机组的运行状况。电站锅炉给水泵有电动和汽动两种驱动方式。本课题将主要通过对两种驱动方式下的给水泵的用能分析，效率计算，热力学计算来比较两种驱动方式的优劣，同时分析对比锅炉给水泵目前存在的问题，找出热电站的节能途径，从而提高热电站的运行效率。
关键词：给水泵，电动驱动，汽动驱动，用能分析
Abstract
The operation of thermal power plant is not only depend on electric generator sets themselves, but also on the auxiliaries` configuration and the method of operation in the heat system. The feed water pump as one of the important auxiliary equipment, its operating status will directly affect the operating status of the generator sets. The feed water pump of thermal power plant has two kinds of driven method ,they are electric driven and Steam-driven. This topic will have the energy analysis ,the calculation of efficiency ,the calculation of thermodynamics under the two kinds of driven method to compare the pros and cons of driven method, while analyzing and comparing the existing problems of feed water pump, to find the Energy-saving way . thereby enhancing the efficiency of thermal power plant.
Keywords: Feed water pump,Electric driven, Steam-driven, Energy analysis
目录
1 前言 ..................................................................1
1.1 立题目的和意义....................................................1
1.2 国内外研究现状.............................. ......................1
2 给水泵组的调速方式及配置.............................. .............3
2.1 给水泵的调速方式..................................................3
2.2 给水泵的配置情况 ................................................. 3
2.3 给水泵运行情况统计 ............................................... 6
3 电动泵和汽动泵的用能分析........................................... 7
3.1电动泵和汽动泵的输出净功率 .......................................7
3.2电动泵和汽动泵的相对功效率.........................................8
4 电动泵和汽动泵计算实例................. ............................12
4.1 实验目的.........................................................12
4.2 泵的技术参数................ .....................................12
4.3 机组运行............................. ............................13
4.4 数据计算............................. ............................15
4.5 数据分析............................... ..........................21
5 锅炉给水泵的节能分析............... ................................24
5.1 热电站给水泵的调速节能...........................................24
5.2 液力联轴器调速节能...............................................26
5.3 小汽轮机调速节能...................... ..........................30
5.4 电站锅炉给水泵的其他节能措施............ .........................32
6 结论................................... ...............................36
参考文献................................................................38
致谢...................................... ..............................40
- 内容简介：
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