The first type of thermally driven compression heat pump
A compression heat pump, heat-driven technology, applied in the fields of refrigeration, heat pump, and power, can solve the problems of limited application fields and application scope, difficult to achieve efficient utilization of thermal energy, and inability to convert thermal energy.
Active Publication Date: 2020-06-16
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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[0105] 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.
[0106] figure 1 The first type of thermally driven compression heat pump shown is realized as follows:
[0107] (1) Structurally, it mainly consists of a compressor, a second compressor, an expander, a second expander, a high-temperature heat exchanger, a heater, a low-temperature heat exchanger, a third compressor, a third expander and a second Composed of high-temperature heat exchangers; compressor 1 has a circulating working fluid channel connected to the high-temperature heat exchanger 5, and the second compressor 2 has a circulating working medium channel connected to the high-temperature heat exchanger 5, and the high-temperature heat exchanger 5 also has a circulating work ...
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The invention provides a first type of heat-driven compression heat pump, which belongs to the technical field of power, refrigeration and heat pumps. The compressor has a circulating working medium channel connected to the high-temperature heat exchanger, the second compressor has a circulating working medium channel connected to the high-temperature heat exchanger, the high-temperature heat exchanger has a circulating working medium channel connected to the expander, and the expander has a circulating working medium channel through the supply After the heater, it is connected to the second compressor and the second expander. The second expander has a circulating working medium channel connected to the compressor through the low-temperature heat exchanger; the circulating pump has a high-temperature circulating working medium channel connected to the third high-temperature heat exchanger through the second high-temperature heat exchanger. The expander, the third expander has a high-temperature circulating working fluid channel connected to the circulating pump through the high-temperature heat exchanger; the heat supplier has a heated medium channel, the low-temperature heat exchanger has a low-temperature heat medium channel, and the second high-temperature heat The medium passages are respectively connected to the outside, and the expander, the second expander and the third expander are connected to the compressor and the second compressor and transmit power to form a first type heat-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): F25B30/02
CPCF25B30/02
Inventor 李华玉
Owner 李华玉