湿式空气冷却器浅谈
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摘要
详细介绍了增湿型、喷淋蒸发、表面蒸发、逆流复合型、顺流复合型6类湿式空气冷却器的工作原理、结构组成特点,分析了各种湿式空气冷却器适用的工况,总结了目前市场上常见的湿式空气冷却器设计、制造、安装和使用的要求及注意事项。湿式空气冷却器是干式空气冷却器的一种补充形式,通过降低空气侧入口温度,解决了干式空气冷却器在夏季高温天气下换热效果变差、运行经济性和安全性降低等应用限制,可为湿式空气冷却器的选型提供依据和参考。
The working principle and structural characteristics of the humidification type,spray evaporation,surface evaporation,countercurrent complex type,downstream complex 6-type wet air coolers were introduced in details.The applicable working conditions of various wet air coolers,as well as the requirements and precautions for the designing,manufacturing,installation and application of wet air coolers were summarized.The wet air cooler as a substitution for the dry air cooler,enriches the application ranges of the dry air cooler in the high temperature weather in summer by reducing the air side inlet temperature,with advantageous operation economy and safety.
The working principle and structural characteristics of the humidification type,spray evaporation,surface evaporation,countercurrent complex type,downstream complex 6-type wet air coolers were introduced in details.The applicable working conditions of various wet air coolers,as well as the requirements and precautions for the designing,manufacturing,installation and application of wet air coolers were summarized.The wet air cooler as a substitution for the dry air cooler,enriches the application ranges of the dry air cooler in the high temperature weather in summer by reducing the air side inlet temperature,with advantageous operation economy and safety.
引文
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[16]王德胜,张嵘,张伟.减压塔顶湿空冷器的腐蚀与防护[J].石油化工腐蚀与防护,2007,24(2):36-39,48.WANG D S,ZHANG R,ZHANG W.Corrosion of vacuum tower overhead wet air cooler and protection[J].Corrosion&protection in petrochemical industry,2007,24(2):36-39,48.
[17]尚立新.改变空冷器结构实现冷凝介质的过冷却[J].石油化工设备,2010,39(4):19-23.SHANG L X.Achieve medium to over cooling by changing air cooler structure[J].Petro-chemical equipment,2010,39(4):19-23.
[18]戴传武.表面蒸发式空冷器的传热性能研究[D].武汉:武汉工程大学,2012.DAI C W.Study on heat transfer performance of evaporative air cooler[D].Wuhan:Wuhan Institute of Technology,2012.
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[21]尚根凤,张亚宇,张国全,等.蒸发式空冷器喷淋装置的改造应用[J].莱钢科技,2010(1):33-35.SHANG G F,ZHANG Y Y,ZHANG G Q,et al.Retrofitting and application of spray device for evaporative air cooler[J].Laigang science&technology,2010(1):33-35.
[22]徐岩峰.表面蒸发式空冷器在催化裂化装置中的应用[J].石油化工设备,2004,33(5):65-66.XU Y F.Application of evaporative air cooled heat exchangers in catalytic cracking equipments[J].Petrochemical equipment,2004,33(5):65-66.
[23]武耀祖,尚玉明,王社民.表面蒸发式空冷器在轻烃回收装置中的应用[J].天然气工业,2003,23(5):111-113.WU Y Z,SHANG Y M,WANG S M.Application of surface evaporative air cooler in light hydrocarbon recovery device[J].Natural gas industry,2003,23(5):111-113.
[24]周春平,甘丹.浅析表面蒸发式空冷器的节能应用[J].广州化工,2015,43(11):168-169.ZHOU C P,GAN D.Analysis and application of surface evaporation air cooler[J].Guangzhou chemical industry,2015,43(11):168-169.
[25]魏立东,马军.表面蒸发式空冷器在重整装置中的应用[J].石油化工设备,2003,32(6):52-53.WEI L D,MA J.Application of surface evaporative air cooled heat exchanger in reforming unit[J].Petrochemical equipment,2003,32(6):52-53.
[26]刘晋,杨巍,范红梅,等.重油催化裂化装置表面蒸发空冷器的缓蚀阻垢研究与应用[J].石油化工设备,2009,38(5):73-76.LIU J,YANG W,FAN H M,et al.Corrosion and scale inhibitors study and application on surface evaporation air coolers in heavy oil catalysis unit[J].Petrochemical equipment,2009,38(5):73-76.
[27]尚根凤,孙家荣,张国全,等.蒸发式空冷器冷却管表面的结垢控制[J].山东冶金,2010,32(2):73-74.SHANG G F,SUN J R,ZHANG G Q,et al.Scaling control of cooling pipe surface of evaporative air cooler[J].Shandong metallurgy,2010,32(2):73-74.
[28]王兆堃,马军,韩卓,等.表面蒸发式空冷器翅片管结垢分析[J].石油化工设备,2014,43(S1):94-96.WANG Z K,MA J,HAN Z,et al.Fouling analysis of finned tube in surface evaporative air cooler[J].Petrochemical equipment,2014,43(S1):94-96.
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