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DN1100煤气水封铸钢闸阀设计(含CAD零件图装配图)

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DN1100煤气水封铸钢闸阀设计(含CAD零件图装配图)(论文说明书17000字,外文翻译,CAD图6张)
摘 要
本论文课题是设计闸阀的结构与工艺。闸阀主要由阀体、阀盖、闸板、阀杆等装置组成,其结构在阀体内类似闸阀一样的板状物与无相配的两阀座(或单阀座)之间垂直于流体移动,从而打开或切断流道。用它做启闭使用,并在全开时有整个流道直通的作用。闸阀适用范围广泛,主要应用于石油、化工、电力、医药、火力等行业。
本文是针对DN1100煤气水封闸阀的设计展开阐述。该闸阀设计为法兰连接形式的软密封结构,阀体与阀座采用螺纹阀座,阀盖与支架采用分体结构。闸阀结构设计的基;本内容为对闸阀标准的了解、阀体壁厚计算与校核、阀体尺寸的确定、密封比压计算、总转矩计算、阀杆强度校核等;闸阀工艺设计主要着重对闸板、阀体、阀座、阀盖、阀杆等主要零件的制造加工工艺规程编制。
关键词:闸阀;结构与工艺;密封;密封比压

YSZ944H-2.5CD N1100gas water seal cast steel gate valve design.
Abstract
The subject of this paper is to design the structure and technology of gatevalve.Gate valve is mainly composed of valve body,valve cover,gate plate, stem and other devices.Its structure moves perpendicular to the fluid between aplate-like object similar to gate valve and two valve seats(or single valve seat)with out matching,thus opening or cutting off the flow passage.It is used for opening and closing,and has the function of straight-through of the whole flow passage when fully opened.Gate valves are widely use dinpetroleum,chemical in dustry,electric power,medicine,fire and other in dustries.This article focuses on the design of DN1000 gas water seal gate valve.The gate valve is designed as a soft sealing structure in the form off langeconnection.The valve body and valve seat a dopt threaded valve seat,and the valve cover and bracket a dopt split structure.Foundation of gate valve structural design;This contentis the under standing of gate valve standard,calculation and check of valve body wall thickness,determination of valve body size,calculation of sealing specific pressure,calculation of to taltorque,check of valve stem strength,etc.The gate valve process design mainly focuses on the preparation of manufacturing processs pecifications for the main partssuchas gate plate,valvebody,valveseat,valvecover,valvestem,etc.Keywords:gate valve;Structure and technology;Sealing;Sealing pressureratio.
阀门技术参数
型号:YSZ944H—2.5C
规格:DN1100
阀门公称压力:PN0.2MPa
使用介质:高炉煤气、焦炉煤气
使用温度:-29~100℃
驱动方式:电动,防护等级IP65,防爆等级dⅡBT1
连接形式:法兰连接
密封形式:硬密封本体密封
安装形式:立式
 

DN1100煤气水封铸钢闸阀设计(含CAD零件图装配图)
DN1100煤气水封铸钢闸阀设计(含CAD零件图装配图)


目 录
摘  要    i
Abstract    ii
1  引言    1
2  概述    2
2.1  阀门的分类    2
2.2  闸阀的定义    4
2.3   闸阀的种类    4
2.4   闸阀的密封原理和特点    5
3  闸阀的结构    8
3.1  阀体与阀盖多采用法兰连接    8
3.2  闸板与阀座密封圈    8
4  设计需达到技术要求    10
4.1  阀体    10
4.2  阀盖    10
4.3  闸板    10
4.4  上密封座    10
4.5  填料垫片    10
4.6  阀门技术要求    10
4.7  闸阀的工艺    11
4.8  阀门参数及标准    12
4.9  闸阀的检验与试压    13
5  产品设计初定及阀门技术参数    17
5.1  阀门技术参数    17
5.2  设备结构及功能    17
5.3  作用原理    18
5.4  阀门壳体壁厚的确定    18
6  阀杆扭矩计算    25
6.1  初算阀杆扭矩    25
6.2  阀杆稳定性校核    30
6.3  中口螺栓设计与校核    33
6.4  立柱设计与校核    35
6.5  立柱连接螺栓设计与校核    36
参考文献    40
附录:文中引用相关资料    42
外文资料    54
外文资料翻译    61
致  谢    66
 

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