乏（废）蒸汽回收利用项目介绍

日期： 2024-04-26 作者：晟德亿编辑

一、应用背景
当低品位蒸汽不能满足生产工艺需求时，只能弃之不用。而根据蒸汽焓值表可知，这部分低压蒸汽的热焓与高压蒸汽相差无几，每回收利用1吨100℃低压蒸汽可节约0.97吨0.8MPa. 176℃高压蒸汽，节能价值大于其他回收利用方式。

二、工作原理
使用高参数蒸汽或者分气缸压力做高压蒸汽将低压蒸汽升压后输出工作蒸汽，输出口安装压力变送器，可调节执行机构，确保在蒸汽流量波动时，仍可输出稳定的工作蒸汽。

三、技术创新与传统单喷嘴蒸汽喷射热泵对比
相比传统单喷嘴蒸汽喷射热泵，多通道蒸汽喷射升压装置可确保蒸汽流量在5%之间波动时仍运行，适应变工况能力强，节能效果佳。

四、应用领域
（一）在印染厂的应用
1、在印染生产过程中利用多通道蒸汽喷射升压装置，使用主管道1.5MPa.的闪蒸汽与企业原有200℃的中温中压蒸汽输送到多通道蒸汽喷射升压装置进行有效混合产生0.2MPa,120℃饱和蒸汽或0.48MPa,150℃饱和蒸汽进入生产系统供相应工艺参数的设备使用，由于用蒸汽热泵回收了大部分的闪蒸汽，节约了原管网新鲜蒸汽的用量，直接起到了节能降耗的效果。
2、经济效益分析：以某印染厂的数据为例：

蒸汽节能达到12%，按蒸汽耗量19.159T/h蒸汽，价格按200元/T，日生产24小时，年生产天数按330天计算，改造后本厂节能效益为：19.159×24×330×200×12%＝3641742元／年
节能量计算（每年节约标准煤的吨数）：
27416.19kJ/kg×0.03412kg÷1000=0.0937
0.0937×19.159T/h×24h×330d=14218.32 tce/a

上一篇：蒸汽节能设备闪蒸罐的作用下一篇：节能设备闪蒸罐技术的应用

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新闻资讯

热门标签更多

蒸汽排气阀蒸汽发生器选购注意事项密闭冷凝水回收装置减温减压装置工业蒸汽系统在蒸汽换热后存在高温冷凝水、低品质蒸汽、乏汽等余热未回收的问题闪蒸罐汽水分离器蒸汽发生器热泵化工、石化、食品等企业换热设备产生的高温冷凝水闪蒸系统再返回用汽设备进行换热生产。

二、在锅炉连排废水后端安装焓差补偿式扩容净化蒸汽调节阀彻底解决了锅炉连排损失问题。

蒸汽引射提温升压 ORC发电冷凝水疏水系统蒸汽发生器可以节能吗？蒸汽疏水阀的作用有哪些？乏汽闪蒸设备固定流道式闪蒸系统焓差补偿式扩容净化回收器蒸汽减温减压器冷凝水回收装置蒸汽疏水阀有哪几种？蒸汽减温减压蒸汽疏水阀为什么会漏汽？高频电磁蒸汽发生器G-ZQ 120KW 乏汽增压系统

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