High temperature heat pump and method of use thereof
A technology of high-temperature heat pumps and regenerators, applied in superheaters, lighting and heating equipment, compressors with multiple condensers, etc., can solve problems such as inability to condense, lower energy efficiency ratio, and inability to dissipate, so as to improve work efficiency Stability and the effect of improving the energy efficiency ratio
Inactive Publication Date: 2014-10-22
XIHUA UNIV
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Problems solved by technology
However, reducing the input of the heat-carrying medium will cause the heat-carrying medium to not fully absorb the latent heat released by the working fluid, and the working fluid will not be able to dissipate the remaining latent heat before entering the expansion valve, making it impossible for the working fluid to condense to The temperature is so low that it cannot absorb more heat from the evaporator, resulting in a lower energy efficiency ratio (the energy efficiency ratio of a heat pump refers to the ratio of the heat released by the heat pump to the heat transfer medium and the electrical energy consumed by the compressor), and even makes the heat pump can't work stably
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[0019] The technical solutions of the various embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0020] The invention provides a high temperature heat pump, comprising:
[0021] Compressor, condensing system, expansion valve, evaporator; the condensing system includes a first condenser, a second condenser, and a third condenser, and the working medium flows out from the compressor and flows through the first condenser in sequence , the second condenser, the third condenser, the expansion valve, and the evaporator, return to the compressor to form the flow path of the working fl...
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The invention relates to the field of thermal energy and power engineering, and in particular relates to a high-temperature heat pump and a using method thereof. The high-temperature heat pump can condense a working medium to a lower temperature before entering an expansion valve, and improve the energy efficiency ratio and working stability. The high-temperature heat pump comprises a compressor, a condensation system, the expansion valve and an evaporator; the condensation system consists of first, second and third condensers, the working medium flows out from the compressor and flows back to the compressor after flowing through the first, second and third condensers, the expansion valve and the evaporator in sequence, thus forming a working medium flowing loop; the first condenser and the second condenser are respectively and internally provided with a flowing loop of a first heat-carrying medium with the flowing direction reverse to that of the working medium, and the first heat-carrying medium flows through the first condenser after flowing through the second condenser; and the third condenser is internally provided with a flowing loop of a second heat-carrying medium with the flowing direction reverse to that of the working medium.
Description
technical field [0001] The invention relates to the field of thermal energy engineering, in particular to a high-temperature heat pump and a method for using the same. Background technique [0002] The heat pump absorbs heat from the environment through the working fluid, and releases heat to the heat-carrying medium (such as water) to heat the heat-carrying medium. Heat pumps can be divided into normal-temperature heat pumps and high-temperature heat pumps according to the temperature of the heat-carrying medium obtained after heating. The temperature of the heat-carrying medium produced by high-temperature heat pumps is higher than that of normal-temperature heat pumps. [0003] The existing staged condensing heat pump is a better high-temperature heat pump, which can usually increase the output temperature of the heat-carrying medium, for example, produce high-temperature hot water at 90°C, or even produce water vapor. In the existing staged condensation heat pump, the c...
Claims
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IPC IPC(8): F25B6/00F25B40/06F25B41/04
Inventor 金应荣周华栾道成刘锦云贺毅陈建文王琴宋少伟
Owner XIHUA UNIV