卷烟厂工艺空调制冷冷却水余热回收系统的设计

TS438; 为解决卷烟厂工艺空调系统能耗高且部分能源未充分利用等问题,基于热泵技术设计了一种冷却水余热回收系统.该系统由热泵机组及热端、冷端水泵组成,热泵冷端接入制冷系统冷却水循环管路中,将20%~25%冷却水分流至热泵中,对其中的低品位热能进行回收和提质处理;热泵热端接入再热系统循环水管路中,对80%~90%的循环水进行再次加热,减少再热系统的蒸汽消耗量.以杭州卷烟厂醇化库工艺空调系统为对象进行测试,结果表明:冷却水余热回收系统应用后,醇化库环境温湿度未发生显著变化,再热系统每日消耗蒸汽量基本为0,制冷系统日均COP由2.82提高至4.03;与2021年同期数据相比,工艺空调系统能效指标由...

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Published in烟草科技 Vol. 56; no. 4; pp. 98 - 103
Main Authors 张利宏, 夏耀光, 舒欣, 张学军, 江龙, 高近爽
Format Journal Article
LanguageChinese
Published 浙江中烟工业有限责任公司杭州卷烟厂,杭州市西湖区科海路118号 310024%浙江大学制冷与低温研究所,杭州市西湖区浙大路38号 310013 01.04.2023
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ISSN1002-0861
DOI10.16135/j.issn1002-0861.2022.0708

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Abstract TS438; 为解决卷烟厂工艺空调系统能耗高且部分能源未充分利用等问题,基于热泵技术设计了一种冷却水余热回收系统.该系统由热泵机组及热端、冷端水泵组成,热泵冷端接入制冷系统冷却水循环管路中,将20%~25%冷却水分流至热泵中,对其中的低品位热能进行回收和提质处理;热泵热端接入再热系统循环水管路中,对80%~90%的循环水进行再次加热,减少再热系统的蒸汽消耗量.以杭州卷烟厂醇化库工艺空调系统为对象进行测试,结果表明:冷却水余热回收系统应用后,醇化库环境温湿度未发生显著变化,再热系统每日消耗蒸汽量基本为0,制冷系统日均COP由2.82提高至4.03;与2021年同期数据相比,工艺空调系统能效指标由2.28提高至5.05,日均蒸汽消耗量减少33.65 t/d、用电量减少6087(kW·h)/d,每年可节约成本约224万元.该技术可为提高卷烟厂能源利用效率、降低生产成本提供支持.
AbstractList TS438; 为解决卷烟厂工艺空调系统能耗高且部分能源未充分利用等问题,基于热泵技术设计了一种冷却水余热回收系统.该系统由热泵机组及热端、冷端水泵组成,热泵冷端接入制冷系统冷却水循环管路中,将20%~25%冷却水分流至热泵中,对其中的低品位热能进行回收和提质处理;热泵热端接入再热系统循环水管路中,对80%~90%的循环水进行再次加热,减少再热系统的蒸汽消耗量.以杭州卷烟厂醇化库工艺空调系统为对象进行测试,结果表明:冷却水余热回收系统应用后,醇化库环境温湿度未发生显著变化,再热系统每日消耗蒸汽量基本为0,制冷系统日均COP由2.82提高至4.03;与2021年同期数据相比,工艺空调系统能效指标由2.28提高至5.05,日均蒸汽消耗量减少33.65 t/d、用电量减少6087(kW·h)/d,每年可节约成本约224万元.该技术可为提高卷烟厂能源利用效率、降低生产成本提供支持.
Author 舒欣
张利宏
高近爽
张学军
夏耀光
江龙
AuthorAffiliation 浙江中烟工业有限责任公司杭州卷烟厂,杭州市西湖区科海路118号 310024%浙江大学制冷与低温研究所,杭州市西湖区浙大路38号 310013
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JIANG Long
XIA Yaoguang
SHU Xin
ZHANG Xuejun
GAO Jinshuang
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Keywords 热泵
余热回收
醇化库
工艺空调
冷却水
水泵
卷烟厂
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Title 卷烟厂工艺空调制冷冷却水余热回收系统的设计
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