CAUSE ANALYSIS ON DISTRIBUTED FROST-CRACKS OF FIN-TUBE BANDLES IN HAILER TYPE AIR-COOLED SYSTEM

doi:10.19666/j.rlfd.2001.06.012

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CAUSE ANALYSIS ON DISTRIBUTED FROST-CRACKS OF FIN-TUBE BANDLES IN HAILER TYPE AIR-COOLED SYSTEM

更新时间：2025-09-28

- CAUSE ANALYSIS ON DISTRIBUTED FROST-CRACKS OF FIN-TUBE BANDLES IN HAILER TYPE AIR-COOLED SYSTEM
- Thermal Power Generation Issue 6, Pages: 45-46(2001)
- 作者机构：
  
  1. 内蒙古工业大学
  2. 内蒙古工业大学,内蒙古,呼和浩特,010080
  3. ,内蒙古,呼和浩特,010080
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2001.06.012
  CLC： TM621.7
- Published：2001
- 稿件说明：
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CAUSE ANALYSIS ON DISTRIBUTED FROST-CRACKS OF FIN-TUBE BANDLES IN HAILER TYPE AIR-COOLED SYSTEM[J]. Thermal power generation, 2001, (6): 45-46.
DOI：

CAUSE ANALYSIS ON DISTRIBUTED FROST-CRACKS OF FIN-TUBE BANDLES IN HAILER TYPE AIR-COOLED SYSTEM[J]. Thermal power generation, 2001, (6): 45-46. DOI： 10.19666/j.rlfd.2001.06.012.

摘要

对海勒式空冷系统翅片管束分散型冻坏成因进行分析

认为冬季冷却柱排水时使排空区产生压力

形成负压

导致循环冷却水汽化

随后汽化的冷却水又凝结并形成冰瘤

以致堵塞管束引发铝管冻裂

对此提出了预防冰瘤堵塞的技术措施。

Abstract

The title events have been analyzed. It is considered that the presure drop in the empty space would be generated while the water in the cooling column had been discharged in winter season

and the negative pressure established in the column would have been resulting in evaporation of circulating cooling water. Then

the evaporated cooling water would be condensed again

forming ice-tumours in fin-tubes with the result that tube-bandles would be blocked up

causing frost-cracks of aluminum tubes. In this paper some technical measures are recommended for preventing blockage by ice-tumours.

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Related Institution

Xi'an Jiaotong University

Thermal Power Research Institute of the Ministry of Electric Power

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