| U型管废热锅炉沸腾传热恶化及其消除 |
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| 引用本文： | 陈听宽 陈宣政. U型管废热锅炉沸腾传热恶化及其消除[J]. 西安交通大学学报, 1990, 24(5): 65-70 |
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| 作者姓名： | 陈听宽 陈宣政 |
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| 作者单位： | 西安交通大学能源与动力工程系，西安交通大学能源与动力工程系，西安交通大学能源与动力工程系 |
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| 基金项目： | 国家“七五”科技攻关项目,并得到中国石油化工总公司和国家自然科学资助. |
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| 摘 要： | 本文针对大型合成氨装置 U 型管转化气废热锅炉爆管问题,在高压电加热水回路试验系统上研究了垂直 U 型管弯管段沸腾传热特性,得出了发生传热恶化的规律和壁温飞升特性,提出了用管内扰流子及改进 U 型管结构来消除传热恶化,以保证U 型管废热锅炉工作的可靠性.
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| 关 键 词： | 爆管 合成氨 废热锅炉 沸腾传热 |
BOILING HEAT TRANSFER DETERIORATION AND ITS ELIMINATION FOR U-SHAPED WASTE HEAT BOILERS |
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| Chn Tingku. BOILING HEAT TRANSFER DETERIORATION AND ITS ELIMINATION FOR U-SHAPED WASTE HEAT BOILERS[J]. Journal of Xi'an Jiaotong University, 1990, 24(5): 65-70 |
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| Authors: | Chn Tingku |
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| Affiliation: | Chn Tingku(?)n Ch(?)n Xu(?)nh(?)ng Jia Xiuzhu(?)ng (Department of Energy and Power Engineering) |
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| Abstract: | Vertioal U-shaped tubes have been used in some waste heat boilers of largesynthetic ammonia plants.In operation,accidents of tube failure at the bend dueto overheating ocour frequently.In order to Solve the problem,a study of boilingheat transfer in the bend of vertical U-shaped tube in an electrically heated highpressure water loop was conducted,the law of boiling heat transfer deteriorationand the wall temperature rice performanoe were obtained,and an inserted turbu-lator and modified U-shaped tubes With inclined upward bottom were recommen-ded for waste heat boilers to eliminate the boiling heat transfer deterioration insynthetic ammonia plants for ensuring safety operation. |
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| Keywords: | symthetio (?)mmoni(?) waste heat boiler boiling heat transfer. |
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