烟气挡板门在海内常见的三个种类有哪几类?

2025-04-08 10:56:50
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回答(1):

烟气挡板门在海内常见的三个种类

烟气挡板门在我国大中型电站的烟气脱硫系统中很常见,它是汽锅系统和烟气脱硫系统之间的桥梁,起到了严重的分割、邻接的陶染。烟气挡板门目前在海内常见的典型有三种,双百叶窗挡板门、双密封百叶窗挡板门和双叶片百叶窗挡板门。
1、双百叶窗挡板门
双百叶窗挡板门是由两扇百叶窗形成的烟气挡板门,它的两扇百叶窗都有轴承邻接。双百叶窗挡板门的密封片是安置在叶片的周围,密封气氛被应允100%进入两片叶片之间。双百叶窗挡板门的设计能有用确保密封气零碎统的零泄露。
双百叶窗挡板门的组织较为繁冗,分量、尺寸都高于双叶片百叶窗挡板门,一次性投资的额度高、老本大。海内电站机组早期安置烟气脱硫挡板门调剂中,多把持这种双百叶窗挡板门,但目前新施工项目把持此类烟气挡板门的较少。
2、双密封百叶窗挡板门
双密封百叶窗挡板门是由单扇百叶窗形成的烟气挡板门,它的百叶窗只要一片叶片,在叶片与框架组织之间设置密封片。双密封百叶窗挡板门的密封气氛可由密封片进入密封框架,独霸热密封气氛大要相持100%的密封。
双密封百叶窗挡板门在烟气挡板门中组织最为冗杂,所必要的一次性投资也最少,但是在坚守方面略逊于双叶片百叶窗挡板门。
三、双叶片百叶窗挡板门
双密封百叶窗挡板门是由单扇百叶窗形成的烟气挡板门,它的百叶窗存在两片叶片,密封气氛被应允100%进入两片叶片之间。双密封百叶窗挡板门的组织冗杂、分量轻,其分量只要双百叶窗挡板门的一半,是以这种烟气挡板门的价格较低,经济性较好。
双密封百叶窗挡板门的另一个利益是它存在自干净效用,便于把持和保护。双密封百叶窗挡板门受限于其组织本性,在强度上略低于双百叶窗挡板门,但是也足以在海内电厂的脱硫烟气挡板门系统中把持,大约蒙受烟道的最大运转压力。

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