CN214371073U - Composite energy system based on double-power-driven heat pump - Google Patents
Composite energy system based on double-power-driven heat pump Download PDFInfo
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- CN214371073U CN214371073U CN202022484638.0U CN202022484638U CN214371073U CN 214371073 U CN214371073 U CN 214371073U CN 202022484638 U CN202022484638 U CN 202022484638U CN 214371073 U CN214371073 U CN 214371073U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The utility model discloses a composite energy system based on double dynamical drive heat pump relates to heat pump energy field, include: the gas power generation module converts gas energy into first electric energy; the heat pump circulation module receives the first electric energy from the gas power generation module or receives second electric energy from power supply of a power grid, and converts low-grade energy in air into high-grade energy; the energy control module is arranged between the gas power generation module and the heat pump circulating module and controls input and output of the first electric energy and the second electric energy; and the heat recovery module is used for recovering waste heat generated in the operation process of the gas power generation module and the heat pump circulation module.
Description
Technical Field
The utility model relates to a heat pump energy field especially relates to a compound energy system based on double dynamical drive heat pump.
Background
The heat pump is a device which transfers a low-level heat source to a high-level heat source by applying work through a compressor. The heat pump can effectively utilize low-grade heat energy which is difficult to utilize, so that the aim of saving energy is fulfilled. The heat pump device is mainly provided with four items of an evaporator, a condenser, an expansion valve and a compressor. The heat pump can be driven by using mechanical energy generated by gas engine consuming gas or by using mechanical energy generated by electric motor to drive compressor.
The gas internal combustion engine can also generate a large amount of waste heat in the operation process, the generated flue gas waste heat, the cylinder sleeve water waste heat, the inter-cooling water waste heat and the like are high-grade heat sources, and if the heat sources are not utilized, the high-grade heat sources are passed and wasted.
However, the heat pump driven by electricity or gas is not suitable for practical projects due to the single energy supply, and cannot realize energy switching under special conditions due to the unstable energy price and supply conditions, which becomes the limitation of the heat pump driven by single electricity or gas.
Therefore, those skilled in the art are devoted to develop a hybrid energy system based on a dual-power driven heat pump, which solves the above-mentioned drawbacks of the prior art.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem how to design a composite energy system based on double dynamical drive heat pump, accomplish non-single energy drive and high efficiency and utilize the higher grade heat source.
In order to achieve the above object, the utility model provides a composite energy system based on double dynamical drive heat pump, include:
the gas power generation module converts gas energy into first electric energy;
the heat pump circulation module receives the first electric energy from the gas power generation module or receives second electric energy from power supply of a power grid, and converts low-grade energy in air into high-grade energy;
the energy control module is arranged between the gas power generation module and the heat pump circulating module and controls input and output of the first electric energy and the second electric energy;
and the heat recovery module is used for recovering waste heat generated in the operation process of the gas power generation module and the heat pump circulation module.
Further, the heat pump cycle module includes an electrically driven compressor configured to be driven by electricity and perform cooling/heating through a refrigerant cycle.
Further, the energy control module includes a power distribution device that takes the first electrical energy and the second electrical energy as inputs, the power distribution device being connected to the electrically-driven compressor of the heat pump cycle module to output electrical energy to the electrically-driven compressor.
Furthermore, the energy control module also comprises an automatic control system, and the automatic control system is connected with the power distribution device and can select the input of the power distribution device.
Further, the gas power generation module comprises a gas engine and a generator, the gas engine is connected with the generator, and the generator is connected with the power distribution device; the gas engine drives the generator to generate electricity by mechanical energy generated by burning natural gas.
Further, the heat pump cycle module also comprises an oil cooler, the electric drive compressor drives the refrigerant to generate heat in a circulating manner, and the cooling heat of the electric drive compressor is output through the oil cooler.
Further, the heat pump cycle module further includes a condenser through which heat generated by the refrigerant cycle is output.
Further, the heat pump cycle module further includes an oil disposed between the electrically-driven compressor and the oil cooler.
Further, the heat recovery module comprises a flue gas heat exchanger, a cylinder sleeve water heat exchanger and a middle cooling water heat exchanger, and the waste heat of the gas engine comprises flue gas waste heat, cylinder sleeve water waste heat and middle cooling water waste heat which are respectively recovered through the flue gas heat exchanger, the cylinder sleeve water heat exchanger and the middle cooling water heat exchanger.
Further, the heat recovery module also recovers gear box waste heat and waste heat of the electrically driven compressor.
The utility model provides a composite energy system based on double dynamical drive heat pump has following beneficial effect at least:
1. the system can be used for multiple purposes such as heating domestic water and the like aiming at the utilization of the flue gas waste heat, the cylinder sleeve water waste heat and the inter-cooling water waste heat of the gas engine, and improves the utilization rate of primary energy on the premise of realizing energy step multi-directional application;
2. through system control, the system can freely select external energy supply, fully utilizes the price cycle of external energy such as gas, electric power and the like, reduces the influence of the energy supply cycle, outputs electric energy or heat energy according to actual demands, improves the benefit of heat energy supply to the maximum extent, and increases the energy adaptability and flexibility of the system.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 is a schematic overall structure diagram of a preferred embodiment of the present invention.
Wherein, 1-a gas engine; 2-a generator; 3-a power distribution device; 4, supplying power by a power grid; 5-an electrically driven compressor; 6-oil content; 7-refrigerant cycle; 8-oil cooler; 9-a condenser; 10-flue gas heat exchanger; 11-cylinder liner water heat exchanger; 12-an intercooling water heat exchanger; 13-automatic control system.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly understood and appreciated by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
In order to solve the problem that the energy supply and the price that the heat pump probably appears are unstable, the utility model provides a composite energy system based on double dynamical drive heat pump consumes the gas through gas internal-combustion engine and produces the electric energy through the generator electricity generation, is used for driving heat pump system with the electric energy again and produces heat energy, perhaps directly utilizes outside power supply drive heat pump system to produce heat energy.
As shown in fig. 1, for the overall structure schematic diagram of a preferred embodiment of the present invention, the present invention provides a composite energy system based on dual power driven heat pump, which includes:
the gas power generation module converts gas energy into first electric energy;
the heat pump circulation module receives first electric energy from the fuel gas power generation module or second electric energy from the power grid power supply 4 and converts low-grade energy in the air into high-grade energy;
the energy control module is arranged between the gas power generation module and the heat pump circulating module and controls input and output of the first electric energy and the second electric energy;
and the heat recovery module recovers waste heat generated by the gas power generation module and the heat pump circulation module in the operation process.
Wherein the heat pump cycle module comprises an electrically driven compressor 5, the electrically driven compressor 5 being configured to be driven electrically and to perform cooling/heating through a refrigerant cycle 7.
The energy control module comprises an electric power distribution device 3, the electric power distribution device 3 takes first electric energy and second electric energy as input, and the electric power distribution device 3 is connected with an electrically-driven compressor 5 of the heat pump cycle module and outputs the electric energy to the electrically-driven compressor 5.
The energy control module further comprises an automatic control system 13, and the automatic control system 13 is connected with the power distribution device 3 and can select the input of the power distribution device 3.
The gas power generation module comprises a gas engine 1 and a generator 2, wherein the gas engine 1 is connected with the generator 2, and the generator 2 is connected with a power distribution device 3; the gas engine 1 drives the generator 2 to generate electricity by mechanical energy generated by burning natural gas.
Wherein, heat pump cycle module still includes oil cooler 8, and electrically driven compressor 5 drives refrigerant circulation 7 and produces heat, and the cooling heat of electrically driven compressor 5 passes through oil cooler 8 output.
Wherein the heat pump cycle module further comprises a condenser 9, and the heat generated by the refrigerant cycle 7 is output through the condenser 9.
Wherein, the heat pump cycle module still includes oil 6, and oil 6 sets up between electrically-driven compressor 5 and oil cooler 8.
The heat recovery module comprises a flue gas heat exchanger 10, a cylinder liner water heat exchanger 11 and a middle cooling water heat exchanger 12, and the waste heat of the gas engine comprises flue gas waste heat, cylinder liner water waste heat and middle cooling water waste heat which are respectively recovered through the flue gas heat exchanger 10, the cylinder liner water heat exchanger 11 and the middle cooling water heat exchanger 12.
Wherein, the heat recovery module still retrieves gear box waste heat and the waste heat of electric drive compressor.
The specific working conditions of the system are divided into three different conditions, specifically as follows:
in the first case:
the operation condition of the gas power generation module is as follows: the gas engine 1 drives the generator 2 to generate electricity by burning natural gas, then the electricity is input into the electrically driven compressor 5 through the electricity distribution device 3, the refrigerant cycle 7 is driven to generate heat, the cooling heat of the electrically driven compressor 5 is output through the oil cooler 8, the heat generated by the refrigerant cycle 7 is output through the condenser 9, and the heat of the gas engine 1 is output through the flue gas heat exchanger 10, the cylinder liner water heat exchanger 11 and the medium and cold water heat exchanger 12. The self-control system 13 is adjusted to output the electric power to the outside according to the requirement of the user and by switching the electric power distribution device 3, and electric energy is generated.
In the second case:
the operation condition of the electric drive is as follows: when the gas engine 1 is not started, the power grid power supply 4 supplies power to the electrically-driven compressor 5 through the power distribution device 3 to drive the refrigerant cycle 7 to generate heat, the cooling heat of the electrically-driven compressor 5 is output through the oil cooler 8, and the heat energy generated by the refrigerant cycle 7 is output through the condenser 9.
In the third case:
switching between the gas power generation module and the electric drive according to actual conditions: when the gas is used as the energy source to be input properly and the user needs heat, the user switches the system operation mode through the automatic control system 13, the system operates according to the first condition, and the gas is used for generating heat energy; when the gas is used as the energy source to be input properly and the user needs the electric energy, the user switches the system operation mode through the automatic control system 13, the system operates according to the first condition, and the gas is used for generating the heat energy and the electric energy; when the use of electricity as the energy input is appropriate, the user switches the system operation mode through the autonomous system 13, and the system operates according to the second condition described above, and generates heat energy using electricity.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A hybrid energy system based on a dual-power driven heat pump is characterized by comprising:
the gas power generation module converts gas energy into first electric energy;
the heat pump circulation module receives the first electric energy from the gas power generation module or receives second electric energy from power supply of a power grid, and converts low-grade energy in air into high-grade energy;
the energy control module is arranged between the gas power generation module and the heat pump circulating module and controls input and output of the first electric energy and the second electric energy;
and the heat recovery module is used for recovering waste heat generated in the operation process of the gas power generation module and the heat pump circulation module.
2. The hybrid energy system based on dual power heat pumps as recited in claim 1 in which the heat pump cycle module comprises an electrically driven compressor configured to be electrically driven and perform cooling/heating through a refrigerant cycle.
3. The hybrid energy system based on dual power heat pumps as claimed in claim 2, wherein the energy control module comprises an electric power distribution device, the electric power distribution device takes the first electric energy and the second electric energy as input, the electric power distribution device is connected with the electrically-driven compressor of the heat pump cycle module, and outputs electric energy to the electrically-driven compressor.
4. The hybrid energy system based on two power driven heat pumps as claimed in claim 3, wherein the energy control module further comprises an autonomous system, the autonomous system is connected with the power distribution device, and the input of the power distribution device can be selected.
5. The hybrid energy system based on dual power heat pumps as claimed in claim 3, wherein the gas power generation module comprises a gas engine and a generator, the gas engine is connected with the generator, and the generator is connected with the power distribution device; the gas engine drives the generator to generate electricity by mechanical energy generated by burning natural gas.
6. The hybrid energy system based on two power driven heat pumps as claimed in claim 2, wherein the heat pump cycle module further comprises an oil cooler, the electrically driven compressor drives the refrigerant cycle to generate heat, and the cooling heat of the electrically driven compressor is output through the oil cooler.
7. The hybrid energy system based on hybrid power heat pumps as defined in claim 6, wherein the heat pump cycle module further comprises a condenser, and the heat generated by the refrigerant cycle is output through the condenser.
8. The hybrid energy system based on dual power driven heat pumps as recited in claim 7 wherein the heat pump cycle module further comprises an oil disposed between the electrically driven compressor and the oil cooler.
9. The hybrid energy system based on the dual-power heat pump as claimed in claim 5, wherein the heat recovery module comprises a flue gas heat exchanger, a cylinder liner water heat exchanger and a middle cooling water heat exchanger, and the waste heat of the gas engine comprises flue gas waste heat, cylinder liner water waste heat and middle cooling water waste heat, which are respectively recovered by the flue gas heat exchanger, the cylinder liner water heat exchanger and the middle cooling water heat exchanger.
10. The hybrid energy system based on dual power heat pumps as defined in claim 9, wherein the heat recovery module further recovers gearbox waste heat and waste heat of the electrically driven compressor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022484638.0U CN214371073U (en) | 2020-10-30 | 2020-10-30 | Composite energy system based on double-power-driven heat pump |
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| CN202022484638.0U CN214371073U (en) | 2020-10-30 | 2020-10-30 | Composite energy system based on double-power-driven heat pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251872A (en) * | 2021-12-10 | 2022-03-29 | 中国科学院广州能源研究所 | Small-sized combined cooling heating and power system based on artificial intelligence and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251872A (en) * | 2021-12-10 | 2022-03-29 | 中国科学院广州能源研究所 | Small-sized combined cooling heating and power system based on artificial intelligence and control method thereof |
| CN114251872B (en) * | 2021-12-10 | 2023-10-13 | 中国科学院广州能源研究所 | Small-sized combined cooling heating power system based on artificial intelligence and control method thereof |
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