Multi-effect self-heating source direct expansion phase change power heat pump unit

By designing a multi-effect self-heat source direct expansion phase change power heat pump unit, using the working fluid phase change expansion self-generating circulation power, the problems of large primary energy consumption and influenced by external ambient temperature are solved, and the zero-cost cooling and heating effect of energy-saving zero-emission is achieved.

CN120062858APending Publication Date: 2025-05-30杨迈
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Patent Information

Application Number
CN202410109233.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-01-26
Publication Date
2025-05-30

AI Technical Summary

Technical Problem

Existing heat pump units require external heat sources, resulting in large primary energy consumption, high heating costs, and are affected by the external ambient temperature.

Method used

A multi-effect self-heat source direct expansion phase change power heat pump unit is designed, and the multi-effect working fluid evaporator is used to expand the self-generating cycle power of the working fluid phase change phase change expansion. It hardly uses primary energy, and the heat source temperature has nothing to do with the outdoor ambient temperature.

Benefits of technology

It achieves zero-cost cooling and heating that consumes almost no primary energy, is not affected by the external ambient temperature, and saves energy-saving and zero emissions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The heat pump unit comprises a motor, an expansion machine, a transmission case, a transfer case, a generator, a compressor, a condenser, a multi-effect working medium evaporator, a working medium solution pump and a waste heat source, and is characterized in that a motor shaft is connected with the transmission case, the transmission case is connected with the transfer case, the transfer case is connected with the generator, and the compressor is connected with the compressor. The compressor is in pipeline connection with the expansion machine. The condenser is in pipeline connection with the working medium solution pump. The working medium solution pump is in pipeline connection with the multi-effect working medium evaporator. The multi-effect working medium evaporator is in pipeline connection with the expansion machine. According to the multi-effect self-heat-source direct-expansion phase-change power heat pump unit, high-temperature and high-pressure working medium steam generated through evaporation phase change of different working media is used for doing work in the expansion machine, the generator is dragged to generate electricity or the compressor is dragged to supply heat, primary energy is almost not consumed at all, refrigeration and heating are achieved at zero cost, influences of the external environment temperature are avoided, and energy saving and zero emission are achieved.
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Description

Technical Field

[0001] The present invention relates to a heat pump unit, in particular to a multi-effect self-heat-source direct expansion phase change power heat pump unit. Background Art

[0002] Currently, existing heat pump units all require an external heat source, are driven by primary energy, are greatly affected by the external environmental temperature, consume a large amount of primary energy, and have a high heating cost. Summary of the Invention

[0003] The present invention provides a multi-effect self-heat-source direct expansion phase change power heat pump unit. This heat pump unit relies on the self-circulating power generated by the phase change expansion of the working medium in the multi-effect working medium evaporator, hardly uses primary energy, the heat source temperature is independent of the outdoor environmental temperature, and it is energy-saving and zero-emission.

[0004] The technical solution adopted to achieve the above object: A multi-effect self-heat-source direct expansion phase change power heat pump unit, which includes a motor, an expander, a transmission box, a power take-off box, a generator, a compressor, a condenser, a multi-effect working medium evaporator, a working medium solution pump, and a waste heat source. The motor shaft is connected to the transmission box, the transmission box shaft is connected to the power take-off box, the power take-off box shaft is connected to the generator, the power take-off box shaft is connected to the compressor, the compressor pipeline is connected to the expander, the expander pipeline is connected to the condenser, the condenser pipeline is connected to the working medium solution pump, the working medium solution pump pipeline is connected to the multi-effect working medium evaporator, the multi-effect working medium evaporator pipeline is connected to the expander, and the waste heat source pipeline is connected to the multi-effect working medium evaporator.

[0005] The multi-effect self-heat-source direct expansion phase change power heat pump unit of the present invention uses the high-temperature and high-pressure working medium vapor generated by the phase change evaporation of different working media to do work in the expander, drives the generator to generate electricity or drives the compressor to output high-temperature and high-pressure vapor, hardly consumes primary energy, has zero-cost refrigeration and heating, is not affected by the external environmental temperature, and is energy-saving and zero-emission. Description of the Drawings

[0006] Figure 1 is the structural schematic diagram of the present invention

[0007] In the figure: 1. Motor, 2. Expander, 3. Transmission box, 4. Power take-off box, 5. Generator, 6. Compressor, 7. Condenser, 8. Multi-effect working medium evaporator, 9. Working medium solution pump, 10. Waste heat source. Detailed Embodiment

[0008] The present invention will be further described below with reference to the drawings.

[0009] In Figure 1Among them, there is a multi-effect self-heat-source direct expansion phase change power heat pump unit. The multi-effect self-heat-source direct expansion phase change power heat pump unit includes a motor 1, an expander 2, a transmission box 3, a power take-off box 4, a generator 5, a compressor 6, a condenser 7, a multi-effect working fluid evaporator 8, a working fluid solution pump 9, a waste heat source 10. The shaft of the motor 1 is connected to the transmission box 3, the shaft of the transmission box 3 is connected to the power take-off box 4, the shaft of the power take-off box 4 is connected to the generator 5, the shaft of the power take-off box 4 is connected to the compressor 6, the compressor 6 is connected to the expander 2 through a pipeline, the expander 2 is connected to the condenser 7 through a pipeline, the condenser 7 is connected to the working fluid solution pump 9 through a pipeline, the working fluid solution pump 9 is connected to the multi-effect working fluid evaporator 8 through a pipeline, the multi-effect working fluid evaporator 8 is connected to the expander 2 through a pipeline, and the waste heat source 10 is connected to the multi-effect working fluid evaporator 8 through a pipeline.

Claims

1. A multi-effect self-heating source direct expansion phase change power heat pump unit, characterized by: The multi-effect self-heating source direct expansion phase change power heat pump unit comprises a motor (1), an expander (2), a transmission box (3), a transfer box (4), a generator (5), a compressor (6), a condenser (7), a multi-effect working fluid evaporator (8), a working fluid solution pump (9), and a waste heat source (10). The motor (1) is connected to the transmission box (3) by a shaft, the transmission box (3) is connected to the transfer box (4) by a shaft, the transfer box (4) is connected to the generator (5), the transfer box (4) is connected to the compressor (6) by a pipeline, the compressor (6) is connected to the expander (2) by a pipeline, the expander (2) is connected to the condenser (7) by a pipeline, the condenser (7) is connected to the working fluid solution pump (9) by a pipeline, the working fluid solution pump (9) is connected to the multi-effect working fluid evaporator (8) by a pipeline, the multi-effect working fluid evaporator (8) is connected to the expander (2) by a pipeline, and the waste heat source (10) is connected to the multi-effect working fluid evaporator (8) by a pipeline.

2. The multi-effect self-heating source direct expansion phase change power heat pump unit according to claim 1 is characterized in that: The multi-effect working fluid evaporator is composed of multiple stages of evaporation boxes with different working fluids. The evaporation temperature of the working fluid is increased step by step. The heat is transferred from bottom to top between the multiple stages of working fluid evaporation boxes by gravity heat pipes. The low-temperature working fluid evaporation box transfers heat to the medium-temperature working fluid evaporation box by gravity heat pipes, and the medium-temperature working fluid evaporation box transfers heat to the high-temperature working fluid evaporation box by gravity heat pipes. The number of working fluid evaporation boxes can be increased or decreased according to the temperature and pressure of the steam required by the process.

3. The multi-effect self-heating source direct expansion phase change power heat pump unit according to claim 1 is characterized in that: The compressor can be driven by a motor or an expander, the expander can drive a generator or a compressor, and the spent working fluid vapor of the expander can be sucked into the compressor and then compressed.