CN203629028U - 曲折面内肋列管式燃气炉 - Google Patents

曲折面内肋列管式燃气炉 Download PDF

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CN203629028U
CN203629028U CN201320349513.4U CN201320349513U CN203629028U CN 203629028 U CN203629028 U CN 203629028U CN 201320349513 U CN201320349513 U CN 201320349513U CN 203629028 U CN203629028 U CN 203629028U
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inner rib
gas furnace
heat exchange
heat exchanger
plane inner
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CN201320349513.4U
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高常宝
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Abstract

本实用新型的曲折面内肋列管式燃气炉,遵循“金属壁面两侧差温流体换热、应强化放热系数较小的一侧”的原则,在既不过多的增加内肋片的数量、也不增加内肋片的径向高度,即保证挤压工艺可行的前提下,使内肋片的表面及换热管的内表面呈曲折形,以扩大换热管内与高温焰烟相吻的面积,进一步提高换热效率。

Description

曲折面内肋列管式燃气炉
一、技术领域:
本实用新型的曲折面内肋列管式燃气炉涉及暖通空调领域、对专利号为2004200984159的容积型立式燃气炉(以下简称:背景技术)的改进与发展。 
二、背景技术:
以已有技术为特征的容积型立式燃气炉,遵循“金属壁面两侧差温流体换热、应强化放热系数较小的一侧”的原则,因燃气热水,水流侧放热系数大,气流即焰烟侧放热系数小,所以在数根换热列管的内壁面上制有若干与管壁为一体的肋片、从而扩大了与高温焰烟相吻面积,使产品具有小体型、大负荷、高效率的显著优点。 
尽管背景技术已经具有进步意义,但技术进步不能停滞;如能进一步扩大换热列管内壁面的面积、即可实现更大的换热效率。通常扩大换热面积的思维是:增加内肋片的数量,增加肋片的径向高度;然而这都受挤压工艺的限制、而不能过份实施。 
三、实用新型内容:
本实用新型内容是在既不增加内肋片数量、也不增加肋片的径向高度的前提下,而扩大换热管内壁面的受热面积。 
本实用新型的曲折面内肋列管式燃气炉,炉中采用内肋列管式 换热器,在换热管的内壁面上制有若干与管壁为一体的内肋片,并且内肋片的表面沿径向呈曲折形。 
本实用新型的曲折面内肋列管式燃气炉,换热管的内圆周面沿圆周呈曲折形。 
以上内肋式换热管的肋片表面和内圆周面呈曲折面的特点,扩大了与高温焰烟相吻的面积。 
四、附图说明:
附图1是一根换热管的截面图。 
图中阿拉伯数字所标识的部件或部位分别是:(1)换热管,(2)内肋片。 
五、具体实施方式:
用数控机床按本实用新型要求制造挤压模具,从而挤压出带有本实用新型特征的曲折面内肋式铝型管,作为本实用新型燃气炉的换热列管。本实用新型的基本模式与制造工艺类同背景技术,恕不作赘述。 

Claims (2)

1.一种曲折面内肋列管式燃气炉,其特征在于:炉中采用内肋列管式换热器,在换热管(1)的内壁面上制有若干与管壁为一体的内肋片(2),并且内肋片(2)的表面沿径向呈曲折形。 
2.如权利要求1所述的曲折面内肋列管式燃气炉,其特征还在于:换热管(1)的内圆周面沿圆周呈曲折形。 
CN201320349513.4U 2013-06-09 2013-06-09 曲折面内肋列管式燃气炉 Expired - Fee Related CN203629028U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110542341A (zh) * 2019-09-17 2019-12-06 常州大学 一种高密度耦合双效强化管

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110542341A (zh) * 2019-09-17 2019-12-06 常州大学 一种高密度耦合双效强化管

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