Bidirectional thermal cycle and second type of heat-driven compression heat pump

Abstract

The invention provides a bidirectional thermal cycle and second type of heat-driven compression heat pump, and belongs to the power and heat pump technology field. A bidirectional thermal cycle 1234561 comprises the steps of a working medium boost process 12 that begins from a low temperature; a heat absorption process 23 that absorbs heat from a middle temperature heat source; a boost process 34 that begins from a middle temperature; a heat release process 45 that releases heat to a high temperature heat source; a pressure reduction process 56 that begins from a high temperature; a heat release process 61 that releases heat to a low temperature heat source. A compressor has cycle working medium and is communicates with a second compressor through a heat exchanger; the second compressor has the cycle working medium channel and is communicated with an expander through a heater; the expander has the cycle working medium channel and is communicated with a compressor through a cooler; the heat exchanger has a middle temperature thermal medium channel and is communicated with the outside; the heater has a heated medium channel and is communicated with the outside; the cooler has a cooling medium channel and is communicated with the outside; the expander is connected with the compressor and the second compressor, and is used to transmit power to form the second type of heat-driven compression heat pump.

Description

Technical field:

[0001] The invention belongs to the technical field of power, heat supply and heat pump. Background technique:

[0002] Heat demand and power demand are common in human life and production. The higher the temperature of thermal energy, the higher the possibility of its utilization and the more convenient it is to utilize. In reality, for the heat load with lower temperature, people need to adopt the necessary technology to raise its temperature. 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] The heat energy (temperature difference) utilization technology represented by absorption heat pump technology uses the temperature difference between the heat load and the cold environment to increase the temperatur...

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