The first type of thermally driven compression heat pump
A compression heat pump, heat-driven technology, applied in compressors, compressors, compressors with reversible cycles, etc., can solve the problems of limited application fields and application scopes, difficult to achieve efficient use of thermal energy, and inability to convert thermal energy.
Active Publication Date: 2019-12-13
李华玉
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Problems solved by technology
[0003] Thermal energy (temperature difference) utilization technology represented by absorption heat pump technology utilizes high temperature heat load to drive heat supply or cooling; big limit
Compression heat pump technology that utilizes the grade difference between mechanical energy and thermal energy has certain flexibility, but in many cases it is difficult to achieve efficient utilization of thermal energy
At the same time, the two technologies also have a common deficiency - they cannot convert thermal energy into mechanical energy while heating or cooling
Method used
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[0060] The first thing to explain is that in the expression of the structure and process, it will not be repeated if it is not necessary; the obvious process will not be expressed. The present invention will be described in detail below in conjunction with the accompanying drawings and examples.
[0061] figure 1 The first type of thermally driven compression heat pump shown is realized as follows:
[0062] (1) Structurally, it mainly consists of a compressor, a second compressor, an expander, a second expander, a heater, a high-temperature heat exchanger, a low-temperature heat exchanger, a third compressor, a third expander and a first Composed of two high-temperature heat exchangers; the compressor 1 has a circulating working fluid channel that passes through the heat supplier 5 and then communicates with the second compressor 2 and the second expander 4, and the second compressor 2 also has a circulating working medium channel that passes through the high temperature The...
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The invention provides a first-class thermally-driven compression heat pump and belongs to the technical field of power, refrigeration and heat pumps. A compressor comprises a circulating working medium channel; the circulating working medium channel separately communicates with a second compressor and a second expander after passing through a heat supplier; the second compressor also comprises acirculating working medium channel which communicates with an expander through a high-temperature heat exchanger; the expander also comprises a circulating working medium channel which communicates with a low-temperature heat exchanger; the second expander also comprises a circulating working medium channel which communicates with the low-temperature heat exchanger; the low-temperature heat exchanger also comprises a circulating working medium channel which communicates with the compressor; an external working medium channel sequentially communicates with a third compressor, a second high-temperature heat exchanger, a third expander and the high-temperature heat exchanger; a heated medium channel of the heat supplier, a low-temperature thermal medium channel of the low-temperature heat exchanger, and a high-temperature thermal medium channel of the second high-temperature heat exchanger separately communicate with the external environment; the expander, the second expander and the third expander are connected with the compressor, the second compressor and the third compressor and are used for transmitting power so as to form the first-class thermally-driven compression heat pump.
Description
Technical field: [0001] The invention belongs to the technical field of power, refrigeration and heat pump. Background technique: [0002] Cold demand, heat demand and power demand are common in human life and production; in reality, people often need to use high-temperature heat energy to achieve cooling, heating or conversion into power, and also need to use power for cooling or use power combined Low temperature thermal energy for heating. In the process of achieving the above goals, there will be many considerations or constraints, including the type, grade and quantity of energy, the type, grade and quantity of user needs, ambient temperature, type of working medium, equipment flow, structure and Manufacturing costs and more. [0003] Thermal energy (temperature difference) utilization technology represented by absorption heat pump technology utilizes high temperature heat load to drive heat supply or cooling; big limit. Compression heat pump technology, which utili...
Claims
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IPC IPC(8): F25B13/00F25B31/00
CPCF25B13/00F25B31/00
Inventor 李华玉
Owner 李华玉