Spiral hot air collector

A wind extraction heater, spiral technology, applied in the field of spiral hot air extraction heaters, can solve the problems of difficulty in ensuring the heating effect, waste of hot air heat energy, and small heat exchange area, so as to increase heat exchange efficiency and heat extraction effect, The effect of improving the heat collection effect and increasing the heat exchange area

Inactive Publication Date: 2011-04-13
郎君羊 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually, this kind of hot air heater usually adopts a sandwich type and a pipeline structure, which has a small heat transfer area, low heat transfer efficiency, and difficult to guarantee the heat collection effect, resulting in a waste of hot air heat energy.

Method used

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  • Spiral hot air collector
  • Spiral hot air collector
  • Spiral hot air collector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] As shown in the figure, the present invention includes a casing 2 with air inlets and outlets 6 and 7 at both ends. The hollow heating belt 4 is fixed on the inner wall of the housing through a fixing bracket 5 in the housing 2 . The hollow exchanging belt 4 is spirally deployed around the axis of the casing 2, and its two side edges are streamlined to facilitate the circulation of hot air. In order to further improve the heat collection effect, the hollow heat exchange belt 4 adopts a wide-band structure, so that when the hot air with a higher temperature passes through, the water can be instantly heated into water vapor, which can be used for steam-demanding devices such as water splitters. The inner and outer ends of the hollow heat exchanger belt 4 are respectively provided with inlet and outlet ports 1 and 3 communicating with the inner cavity; gaps 8 communicated with the air inlet and outlet outlets 6 and 7 are left between the layers of the hollow heat exchanger...

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Abstract

The invention discloses a spiral hot air collector, which comprises a shell of which the two ends are provided with an air inlet and an air outlet respectively, wherein a hollow heat exchange band which expands spirally along the axis of the shell is arranged in the shell; the inner and outer ends of the heat exchange band are provided with a water inlet and a water outlet, which are communicated with the inner cavity of the heat exchange band, respectively; and gaps communicated with the air inlet and the air outlet are reserved between the layers of the hollow heat exchange band. When the spiral hot air collector is used, the air inlet and the hot air source are connected, water is injected from the water inlet, and the hot air passes through the gaps between the layers of the hollow heat exchange band to heat the water flowing in the inner cavity of the hollow heat exchange band. The hot air heat the water simultaneously from the two side faces of the hollow heat exchange band and the water flows in a spiral form in the hollow heat exchange band, so the heat exchange travel is increased greatly, the heat exchange area between the hot air and the water is improved greatly and is over several times higher than that of the conventional hot air collector, the heat exchange efficiency and heat collecting effect are improved, and the waste of the heat of the hot air is reduced.

Description

1. Technical field [0001] The invention belongs to the technical field of heat exchangers, and in particular relates to a spiral hot air heat collector. 2. Background technology [0002] Heat exchangers are a common device in the field of thermal engineering, and there are many types. The hot air heat collector is a heat exchanger installed in narrow spaces such as an exhaust pipe of an internal combustion engine and a flame spray gun for collecting hot air heat energy. Usually, this kind of hot air heater usually adopts a sandwich type and a pipeline structure, which has a small heat exchange area, low heat transfer efficiency, and it is difficult to guarantee the heating effect, resulting in a waste of hot air heat energy. 3. Contents of the invention [0003] The object of the present invention is to provide a spiral hot air heater with simple structure, reasonable design, large heat exchange area, high heat transfer efficiency and good heat collection effect. [0004...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02G5/02F24H1/16
CPCY02T10/166Y02T10/12
Inventor 郎君羊
Owner 郎君羊
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