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Open-type heat pump water heating device based on air circulation

A technology of heat pump hot water and air circulation, applied in heat recovery systems, climate sustainability, energy-saving heating/cooling, etc., can solve problems such as potential underestimation, and achieve the effect of saving operating costs and being environmentally friendly

Pending Publication Date: 2018-11-02
DALIAN NATIONALITIES UNIVERSITY
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although air circulation has been used in refrigeration and cryogenics for decades, its potential in heat pumps has long been underestimated

Method used

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  • Open-type heat pump water heating device based on air circulation
  • Open-type heat pump water heating device based on air circulation

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Embodiment Construction

[0022] An open-type heat pump water heating device based on air circulation, including a first air compressor 1, a turbo air compressor 2, a second air compressor 3, a regenerator 4 and an air / water heat exchanger 5, in an atmospheric environment Cold air enters the regenerator 4 through the air inlet 10, enters the intake end of the first air compressor 1 after being preheated, and is discharged from the exhaust end after being compressed and heated by the first air compressor 1; the first air compressor The exhaust of 1 is divided into two paths, one of which enters the intake end of the second air compressor 3, and is discharged from the exhaust end after being compressed by the second air compressor 3 to raise the temperature and pressure, and then enters the first inlet of the air tee 8; One way enters the compressed air part 201, after being compressed and heated by the compressed air part 201, it is discharged from the exhaust end, and enters the second inlet of the air ...

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Abstract

The invention discloses an open-type heat pump water heating device based on air circulation. A heat regenerator is arranged in the device and connected with a first air compressor, the exhaust end ofthe first air compressor is branched into two air pipelines which are respectively connected with the air incoming end of an air pressing part and that of a second air compressor, and the exhaust endof the second air compressor and that of the air pressing part are communicated with a first inlet and a second inlet of an air three-way joint; an outlet of the air three-way joint is connected withan air incoming pipe of an air / water heat exchanger, an air outgoing pipe of the air / water heat exchanger is connected with the second air incoming end of the heat regenerator, the second exhaust endof the heat regenerator is connected with the air incoming end of a turbine part, and the exhaust end of the turbine part is communicated with atmosphere. A water pipeline is arranged into the air / water heat exchanger to be heated by air, and the open-type heat pump water heating device can prepare building heat-supply water and domestic hot water higher than 60 DEG C in cold and chilly regions.

Description

technical field [0001] The invention relates to a hot water preparation device, in particular to an open heat pump water heating device based on air circulation. Background technique [0002] More and more studies have shown that industrial emissions and the extensive use of fossil fuels for heating are important reasons for the frequent and increasingly severe smog in northern China in recent years. Gradually reducing the use of fossil energy, increasing the utilization rate of renewable energy, and promoting clean heating in winter in the northern region are the inevitable development direction of building heating in the future, and it is a practice to solve social contradictions in our country. Among various heating methods, heat pump heating is a heating method that basically does not produce pollution and has a relatively high energy utilization rate, and has attracted much attention in recent years. [0003] Among various types of heat pumps, reverse Brayton cycle (ai...

Claims

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Application Information

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IPC IPC(8): F17D1/04F17D1/08F17D3/01F25B9/00F25B9/10
CPCF17D1/04F17D1/08F17D3/01F25B9/004F25B9/10Y02B30/52
Inventor 蒋爽王树刚李双双杜伟
Owner DALIAN NATIONALITIES UNIVERSITY
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