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Fluorine cold wall type heat pump water heating device

A technology of heat pump hot water and fluorine cold wall, applied in fluid heaters, lighting and heating equipment, etc., can solve the problems of uneven distribution of refrigerant and low heating efficiency, achieve good heat preservation effect, increase heating speed, and improve thermal resistance big effect

Pending Publication Date: 2020-11-03
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a fluorine-cooled wall heat pump water heating device, which solves the problems of low heating efficiency and uneven distribution of refrigerants in traditional water heaters by replacing the traditional heating method with the fluorine-cooled wall heating device

Method used

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  • Fluorine cold wall type heat pump water heating device
  • Fluorine cold wall type heat pump water heating device
  • Fluorine cold wall type heat pump water heating device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Such as figure 1 Shown, a fluorine cold wall heat pump water heater. Compressor (1), fluorine cold wall (2), throttle valve (3), evaporator (4), water tank (5), condensing coil (6) and fluorine cold wall working medium (7). The fluorine cold wall (2) is welded on the outer wall of the water tank (5) to form a closed annular cavity, and the condensing coil (6) is inserted into the space formed by the fluorine cold wall (2) and the water tank (5), and is isolated and sealed from the two . Fluorine cold wall (2) is filled with fluorine cold wall working medium (7).

[0022] The fluorine cold wall (2) is used as the heating equipment of the water tank (5), and is welded around the outer wall of the water tank (5).

[0023] The condensing coil (6) is inserted into the space formed by the fluorine cold wall (2) and the water tank (5), and is isolated and sealed from the two.

[0024] In the space formed by the fluorine cold wall (2) and the water tank (5), the fluorine co...

Embodiment 2

[0029] The bottom and the surrounding fluorine cold walls are integrated, and the interior is completely connected. The condensing coil (6) is arranged at the bottom, and can also be arranged at the bottom and around at the same time.

Embodiment 3

[0031] For the structure where only the fluorine cold wall is arranged at the bottom, the condensing coil (6) must be arranged at the bottom.

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Abstract

The invention discloses a fluorine cold wall type heat pump water heating device which comprises a compressor, a fluorine cold wall, a throttle valve, an evaporator and a water tank. The fluorine coldwall is welded on the outer wall of the water tank and is separated from the water tank, and a condensing coil is inserted into a space formed by the fluorine cold wall and the water tank and achieves isolation seal with the fluorine cold wall and the water tank. A compressor system and the fluorine cold wall are internally filled with same or different working media respectively, high-temperature and high-pressure refrigerants generated by the compressor heat a condensation tube bundle, and the condensation coil heats the working media in the fluorine cold wall to enable the working media togenerate uniform high temperature and heat water in the water tank. Due to the structure, when a heat pump heats hot water, the heating area is increased, the temperature is uniform, and the startingspeed is high; and when heating is stopped, a gaseous working medium in the fluorine cold wall has the advantages of high thermal resistance and good heat preservation effect. For a heat pump systemadopting R290 as a working medium, excessive refrigerants are prevented from exchanging heat with the outer wall of the water tank, so that the filling amount of the heat pump system is greatly reduced.

Description

technical field [0001] The invention relates to a fluorine cold wall heat pump water heating device, which belongs to the technical field of vapor compression refrigeration / heat pump. Background technique [0002] With the advancement of science and technology and the continuous development of society, people gradually strengthen the development and use of resources, resulting in the gradual depletion of a large number of resources. As an energy-saving device, heat pumps are increasingly valued and considered to be an effective means of energy conservation and emission reduction. Heat pipe technology has been widely promoted and developed by virtue of its good heat transfer performance and stable performance. [0003] For the existing heat pump water heater, when the tube bundle outside the box heats hot water, the refrigerant is likely to be unevenly distributed, resulting in low efficiency, and the heating tube inside the box cannot be removed for cleaning after fouling. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H4/04F24H9/18F24H9/20
CPCF24H4/04F24H9/1809F24H9/2007
Inventor 许树学褚子豪马国远
Owner BEIJING UNIV OF TECH
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