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A circulating heat exchange device and method for improving heat exchange efficiency

A technology of circulating heat exchange and heat exchange efficiency, which is used in air heaters, fluid heaters, lighting and heating equipment to ensure air quality, reduce usage, and improve heat exchange efficiency.

Active Publication Date: 2021-10-12
SHANDONG HUAYU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of this disclosure is to provide a circulating heat exchange device and method for improving heat exchange efficiency in view of the defects existing in the prior art. A furnace connected to the outdoor is provided to heat the heat conduction tube and the circulation tube together to form a heat transfer and heat exchange structure, thereby It forms a hot air heating furnace, which does not consume indoor oxygen while outputting hot air, and does not exchange heat for heat exchange. A circulation heating channel is formed inside the circulation pipe, and the airflow output by the return part is reheated, and it is fully mixed with the Venturi tube structure. , improve the efficiency of heat exchange and meet the needs of quick start

Method used

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  • A circulating heat exchange device and method for improving heat exchange efficiency
  • A circulating heat exchange device and method for improving heat exchange efficiency

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Embodiment 1

[0038] In a typical implementation of the present disclosure, a circulation heat exchange device for improving heat exchange efficiency is proposed.

[0039] It mainly includes the furnace body 1, the heat conduction pipe 3 and the circulation pipe. The heat conduction pipe and the circulation pipe are arranged in the furnace of the furnace body, and the heat is obtained from the furnace 2, and the air inside the passage is heated and output;

[0040] For the furnace body, it is a shell structure, and the interior of the furnace is a high-temperature resistant structure. In order to ensure that the furnace body will not consume indoor air and affect the indoor environment during operation, an air inlet 5 connected to the furnace body is provided on one side of the furnace body. The air outlet 6, the air inlet and the air outlet are all communicated with the outside, and the air is obtained from the outside, and the exhaust gas after combustion is discharged to the outside, ther...

Embodiment 2

[0068] In another typical embodiment of the present disclosure, another circulation heat exchange method for improving heat exchange efficiency is provided; it utilizes the circulation heat exchange device for improving heat exchange efficiency described in Embodiment 1.

[0069] Biomass fuel burns in the furnace to release heat, which heats the heat conduction pipe and circulation pipe;

[0070] One end of the heat pipe gets air from the room, and after being heated in the heat pipe, it is input into the circulation pipe;

[0071] The air input into the circulation pipe enters the Venturi tube and flows towards the air outlet. When it is discharged from the Venturi tube, part of the air flow is directly output to the room through the air outlet, and the other part enters the circulation channel, and is heated by the return pipe for secondary circulation;

[0072] The heated air flow in the circulation channel enters the Venturi tube together with the air output from the heat ...

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Abstract

The disclosure provides a circulation heat exchange device and method for improving heat exchange efficiency, which relate to the field of hot air equipment, including a furnace body, a heat conduction pipe, and a circulation pipe. Both the heat conduction pipe and the circulation pipe are arranged in the furnace of the furnace body. The inner tube and the return tube sleeved outside the Venturi tube. One end of the return tube is connected to the furnace body to form an air outlet, and the other end is connected to the heat pipe. A circulation channel is formed between the outer wall of the Venturi tube and the inside of the return tube. One end of the circulation channel and One end of the heat pipe is connected to the inlet of the Venturi tube, and the other end of the air outlet and the circulation channel are connected to the outlet of the Venturi pipe. The furnace connected to the outdoor is set to heat the heat pipe and the circulation pipe together, and the hot air is output without consuming indoor oxygen. Heat exchange without air exchange, a circulation heating channel is formed inside the circulation tube, and the airflow output from the return part is heated twice, and it is fully mixed with the Venturi tube structure, which improves the efficiency of heat exchange and meets the needs of quick start.

Description

technical field [0001] The present disclosure relates to the field of hot air equipment, in particular to a circulating heat exchange device and method for improving heat exchange efficiency. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art. [0003] Biomass hot blast stove refers to the combustion of biomass materials as fuel, so that the energy is supplied to the corresponding equipment in the form of hot air. It is mainly aimed at residents and public buildings that cannot be centrally heated, and provides users with a small, safe, automatic and clean heating method. [0004] Along with the application of biomass, biomass combustion equipment has also been developed rapidly, but most of the equipment now has the problems of low heat exchange efficiency and large energy consumption. [0005] The inventors found that most of the current heating ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H3/02F24H9/00F24H9/12F24H9/18
CPCF24H3/027F24H9/0073F24H9/12F24H9/189
Inventor 孔德霞姚志强
Owner SHANDONG HUAYU UNIV OF TECH
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