CN2305644Y - 一种异形双金属翅片管 - Google Patents

一种异形双金属翅片管 Download PDF

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Publication number
CN2305644Y
CN2305644Y CN 97236899 CN97236899U CN2305644Y CN 2305644 Y CN2305644 Y CN 2305644Y CN 97236899 CN97236899 CN 97236899 CN 97236899 U CN97236899 U CN 97236899U CN 2305644 Y CN2305644 Y CN 2305644Y
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China
Prior art keywords
utility
model
pipe
double metal
heat exchange
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Expired - Fee Related
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CN 97236899
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English (en)
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茅文焯
陆振刚
朱晓红
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No614 Inst China Aviation Industry General Corp
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No614 Inst China Aviation Industry General Corp
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Priority to CN 97236899 priority Critical patent/CN2305644Y/zh
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Publication of CN2305644Y publication Critical patent/CN2305644Y/zh
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Abstract

本实用新型公开了一种异形双金属翅片管,它由基管和均布在基管外壁的翅片组成,其主要特征为基管内壁均布连续的或间断的螺旋槽。本实用新型结构简单,换热效果好,特别适用于高粘性,低流速流体使用。

Description

一种异形双金属翅片管
本实用新型涉及一种用于换热器用的双金属翅片换热管,具体地说涉及一种具有内强化结构的异形双金属翅片管。
目前普遍使用的双金属翅片换热管由金属基管和基管片壁的铝质翅片组成,基管内壁光滑或增设直助以提高换热效果,当管内介质为高粘性流体且流速缓慢时,基管内常常增加插入物,以破坏管内流动边界层,提高换热系数,但增加插入物并未增加管内换热面积,且插入物必须进行固定,特别当管件较长时插入物的,固定更是困难故上述已有技术的换热效果难以进一步提高。
本实用新型的目的是提供一种结构简单,换热效果发,既增加管内换热面积,又不增大管径,特别适用于较高粘性介质低流速的双金属翅片管。
本实用新型由基管1和包复在基管1外壁的铝质翅片2组成,其主要特征为基管1内壁设有螺旋槽道3。螺旋槽道3可以是连续的,也可以是间断的。
由于本实用新型的基管内壁设有螺旋槽道,不但增加了基管换热面积,且在高粘性流体低速流动时能有效增加管内流体边界层的紊流度,因而本实用新型结构简单,换热效率高。
附图1为本实用新型结构示意图。
附图2为图1的A向视图。
参见附图:基管1为钢质管,管壁外套装厚壁铝管后,轧制翅片2,基管1内壁开设螺旋槽3。螺旋槽3的槽深为0.5-3mm,螺旋头数为5-70。螺旋槽3是否连续可根据换热需要确定。

Claims (2)

1、一种由基管1和翅片2组成的异形双金属翅片管,其特征为基管1内壁设有螺旋槽道3。
2、按权利要求1所述的一种异形双金属翅片管,其特征为所说的螺旋槽3可以是连续的,也可以是间断的。
CN 97236899 1997-08-22 1997-08-22 一种异形双金属翅片管 Expired - Fee Related CN2305644Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 97236899 CN2305644Y (zh) 1997-08-22 1997-08-22 一种异形双金属翅片管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 97236899 CN2305644Y (zh) 1997-08-22 1997-08-22 一种异形双金属翅片管

Publications (1)

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CN2305644Y true CN2305644Y (zh) 1999-01-27

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CN 97236899 Expired - Fee Related CN2305644Y (zh) 1997-08-22 1997-08-22 一种异形双金属翅片管

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CN (1) CN2305644Y (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100417909C (zh) * 2005-11-03 2008-09-10 苏州昆拓冷机有限公司 双型管防尘换热装置
CN104964591A (zh) * 2015-07-14 2015-10-07 哈尔滨精方电力设备科技有限公司 一种镍白铜一体式翅片管及配套管板
CN105014333A (zh) * 2014-04-22 2015-11-04 蒋小明 一种轧制成型复合螺旋翅片管制备装置及制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100417909C (zh) * 2005-11-03 2008-09-10 苏州昆拓冷机有限公司 双型管防尘换热装置
CN105014333A (zh) * 2014-04-22 2015-11-04 蒋小明 一种轧制成型复合螺旋翅片管制备装置及制备方法
CN104964591A (zh) * 2015-07-14 2015-10-07 哈尔滨精方电力设备科技有限公司 一种镍白铜一体式翅片管及配套管板

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