CN210242080U - Phase-change energy-storage multiple-source heat pump device for airport runway - Google Patents
Phase-change energy-storage multiple-source heat pump device for airport runway Download PDFInfo
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- CN210242080U CN210242080U CN201920363018.6U CN201920363018U CN210242080U CN 210242080 U CN210242080 U CN 210242080U CN 201920363018 U CN201920363018 U CN 201920363018U CN 210242080 U CN210242080 U CN 210242080U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 73
- 239000003507 refrigerant Substances 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 48
- 238000004321 preservation Methods 0.000 claims description 48
- 230000007246 mechanism Effects 0.000 claims description 46
- 239000007788 liquid Substances 0.000 claims description 33
- 238000001802 infusion Methods 0.000 claims description 25
- 239000012782 phase change material Substances 0.000 claims description 15
- 238000005485 electric heating Methods 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010792 warming Methods 0.000 description 3
- 244000062793 Sorghum vulgare Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 235000019713 millet Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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Abstract
The utility model discloses a phase transition energy storage multiple source heat pump device for airport runway belongs to the heating technology field, including heat pump set, solar energy heat supply unit, energy storage unit and warm body unit. The utility model provides a phase transition energy storage multiple source heat pump device, through solar energy heat supply unit, can be when external environment temperature is lower, adopt solar energy alone or can provide the heat for the refrigerant jointly with the air, so that heat pump set still can normally work under low temperature environment, improve heat pump set heating efficiency under low temperature environment, thereby provide sufficient heat in order to heat airport runway for the heating body unit, reach snow removing runway, the deicing, and prevent runway snow and frozen purpose. The application area of the phase-change energy storage multiple source heat pump device can be widened by combining solar energy and air energy; in addition, the solar energy is clean and renewable energy, and the running cost of the phase-change energy storage multiple source heat pump device can be effectively reduced.
Description
Technical Field
The utility model relates to a heat technical field, especially relate to a phase transition energy storage multiple source heat pump device for airport runway.
Background
In winter, the accumulated snow on the runway of the airport is easy to form thin ice under the action of temperature change, and if an airplane takes off or lands on the runway, the friction force between the tire of the airplane and the ice layer is small, so that the airplane is easy to slip on the runway, and the airplane deviates from the air route to cause danger.
In order to remove snow and ice from an airport runway, an electric heating mode is adopted in the prior art to provide heat for the runway, so that snow, ice and the like on the runway are melted. However, the day is an electricity peak, and the runway is heated by an electric heating method in the day, so that the cost is high, and the electricity consumption load of the airport is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a phase transition energy storage multiple source heat pump device for airport runway to solve the adoption electric heating method that exists among the prior art and heat the runway in the power consumption peak period, the cost is higher, the great problem of airport power consumption burden.
As the conception, the utility model adopts the technical proposal that:
the utility model provides a phase transition energy storage multiple source heat pump device for airport runway, includes heat pump set, heat pump set includes the compressor, switching-over valve, first heat exchanger, first throttling element and the second heat exchanger that connect gradually through first pipeline and form circulation circuit, be equipped with the refrigerant in the first pipeline, the second heat exchanger is including parallelly connected air-cooled heat exchanger and the working medium heat exchanger that sets up, phase transition energy storage multiple source heat pump device still includes:
the solar heat supply unit comprises a solar heat collector and a heat preservation box group, wherein the solar heat collector, the heat preservation box group, a working medium heat exchanger and the heat preservation box group are sequentially connected through a second pipeline to form a circulation loop, a working medium is filled in the second pipeline, and a first infusion mechanism is arranged on the second pipeline and is configured to drive the working medium to exchange heat with the refrigerant in the working medium heat exchanger;
the energy storage unit comprises an energy storage tank and an electric heating device, wherein a phase-change material is filled in the energy storage tank, the electric heating device is configured to provide heat for the phase-change material, and the energy storage tank and the first heat exchanger are sequentially connected through a third pipeline to form a loop;
the body warmer unit, the body warmer body through two sections fourth pipelines connect respectively in energy storage jar with two sections between the first heat exchanger the third pipeline, the fourth pipeline with all be equipped with heat transfer medium in the third pipeline, be provided with second infusion mechanism on the fourth pipeline, be configured to drive heat transfer medium is in the body warmer originally with flow between energy storage jar and/or the first heat exchanger, the body warmer body sets up in airport runway below, be configured to the airport runway provides the heat. .
Further, the energy storage unit further comprises a first heat preservation tank, a circulation loop is formed between the first heat preservation tank and the energy storage tank through two sections of third pipelines, the first heat preservation tank is connected to the first heat exchanger through two sections of third pipelines, and two sections of fourth pipelines are respectively connected to two sections of third pipelines between the first heat preservation tank and the first heat exchanger.
Further, a third liquid conveying mechanism is arranged on the third pipeline between the first heat preservation tank and the energy storage tank and is configured to drive the heat exchange medium to circularly flow between the energy storage tank and the first heat preservation tank.
Furthermore, the two sections of fourth pipelines connected to the warmer body are respectively connected to the two sections of third pipelines between the energy storage tank and the first heat exchanger, wherein a first control valve is arranged on each of two sides of a connection point of one section of the third pipeline and the fourth pipeline, and a second control valve is arranged on each of two sides of a connection point of the other section of the third pipeline and the fourth pipeline.
Further, the first control valve is a check valve, and each of the check valves is conducted in a direction directed to the other check valve.
Further, the body warmer comprises a shell and a radiating pipe, wherein the radiating pipe is arranged in the shell and connected to the fourth pipeline.
Furthermore, the heat insulation box group comprises a second heat insulation box and a third heat insulation box, a circulation loop is formed between the second heat insulation box and the solar heat collector through two sections of second pipelines, a circulation loop is formed between the third heat insulation box and the second heat insulation box through two sections of second pipelines, and the third heat insulation box is connected to the working medium heat exchanger through two sections of second pipelines.
Further, the solar heat supply unit further comprises a fourth infusion mechanism, and the fourth infusion mechanism is arranged on the second pipeline between the second heat insulation box and the third heat insulation box and is configured to drive the working medium to flow between the second heat insulation box and the third heat insulation box.
Further, the solar heat supply unit further comprises a fifth infusion mechanism, and the fifth infusion mechanism is arranged on the second pipeline between the second heat insulation box and the solar heat collector and is configured to drive the working medium to flow between the second heat insulation box and the solar heat collector.
Furthermore, a first branch pipeline and a second branch pipeline are connected between the first throttling element and the reversing valve, the air-cooled heat exchanger and the working medium heat exchanger are respectively arranged on the first branch pipeline and the second branch pipeline, and third control valves are respectively arranged on the first branch pipeline and the second branch pipeline.
The utility model has the advantages that:
the utility model provides a phase transition energy storage multiple source heat pump device for airport runway, through solar energy heat supply unit, can be when external environment temperature is lower, adopt solar energy to provide the heat for the refrigerant, so that heat pump set still can normally work under low temperature environment, improve heat pump set heating efficiency under low temperature environment, thereby provide sufficient heat in order to heat airport runway for the heating body unit, thereby reach snow removing to airport runway, the deicing, and prevent runway snow and frozen purpose. The application area of the phase-change energy storage multiple source heat pump device can be widened by combining solar energy and air energy; in addition, the solar energy is clean and renewable energy, and the running cost of the phase-change energy storage multiple source heat pump device can be effectively reduced. Through setting up the energy storage unit, can utilize the millet electricity and carry out the storage of heat energy through phase change material night, and release the heat energy body of heating body unit at daytime and heat the airport runway with the heat energy body of phase change material storage again, can reduce the power consumption burden with electric cost and airport.
Drawings
Fig. 1 is a phase-change energy-storage multiple-source heat pump device for an airport runway.
In the figure:
1. a heat pump unit; 2. a solar heat supply unit; 3. an energy storage unit; 4. a warm body unit;
101. a first pipeline; 1011. a first check valve; 1012. a third control valve; 102. a fifth pipeline; 1021. A fourth control valve; 1022. a second throttling element; 103. a sixth pipeline; 1031. a second one-way valve; 11. A compressor; 12. a diverter valve; 13. a first heat exchanger; 14. an economizer; 15. a liquid storage tank; 16. a filter; 17. a first throttling element; 181. an air-cooled heat exchanger; 182. a working medium heat exchanger; 19. a gas-liquid separator;
20. a second pipeline; 201. a fifth control valve; 202. a sixth control valve; 203. a seventh control valve; 21. A solar heat collector; 22. a second incubator; 23. a third incubator; 24. a first infusion mechanism; 25. a fourth infusion mechanism; 26. a fifth infusion mechanism.
30. A third pipeline; 31. an energy storage tank; 32. a first heat preservation box; 33. a third infusion mechanism; 301. a first control valve; 302. a second control valve; 303. an eighth control valve;
40. a fourth pipeline; 41. a warm body; 42. a second infusion mechanism.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
Fig. 1 is a schematic structural diagram of a phase-change energy-storage multiple-source heat pump device for an airport runway according to the embodiment. As shown in fig. 1, the present embodiment provides a phase-change energy-storage multiple-source heat pump device for an airport runway, which is mainly used for providing heat for the airport runway, removing snow and ice from the airport runway, and preventing the normal takeoff and landing of an airplane from being affected by icing or snow accumulation on the airport runway in low-temperature environments such as winter. Of course, the phase-change energy-storage multiple-source heat pump device can also provide heat for other ground surfaces (such as roads, racing tracks and the like).
The multiple source heat pump device comprises a heat pump unit 1, a solar heat supply unit 2, an energy storage unit 3 and a heater unit 4. The heat pump unit 1 includes a compressor 11, a reversing valve 12, a first heat exchanger 13, a liquid storage tank 15, a first throttling element 17, a second heat exchanger, a reversing valve 12, and a gas-liquid separator 19, which are connected in sequence through a first pipeline 101 to form a circulation loop, and a refrigerant is filled in the first pipeline 101, in this embodiment, the reversing valve 12 is a four-way reversing valve, the first throttling element 17 is an electronic expansion valve, of course, in other embodiments, the reversing valve 12 may also be a six-way reversing valve or the like, and the first throttling element 17 may also be a throttling pipe or the like.
The second heat exchanger comprises an air-cooled heat exchanger 181 and a working medium heat exchanger 182, wherein the air-cooled heat exchanger 181 and the working medium heat exchanger 182 are arranged in parallel and are both connected to the first throttling element 17 and the four-way reversing valve. Specifically, a first branch pipeline and a second branch pipeline are connected between the first throttling element 17 and the four-way reversing valve, the first branch pipeline and the second branch pipeline are arranged in parallel, the air-cooled heat exchanger 181 and the working medium heat exchanger 182 are respectively arranged on the first branch pipeline and the second branch pipeline, and the first branch pipeline and the second branch pipeline are respectively provided with a third control valve 1012. In this embodiment, the air-cooled heat exchanger 181 is a fin-type heat exchanger, the working medium heat exchanger 182 is a shell-and-tube heat exchanger, and the third control valve 1012 is an electromagnetic valve, but in other embodiments, the working medium heat exchanger 182 may also be a plate-type heat exchanger, and the like, and the third control valve 1012 may also be a ball valve, and the like, having a structure with an opening and closing function.
Furthermore, the heat pump unit 1 comprises a filter 16 and an economizer 14. Wherein, two filters 16 are provided, which are respectively located at two sides of the first throttling element 17 for filtering impurities in the refrigerant, the type of the filter 16 can be SY type filter, YQ type filter, etc., and the present embodiment does not specifically limit the type and type of the filter 16. The economizer 14 is arranged between the first heat exchanger 13 and the liquid storage tank 15, a first passage and a second passage are arranged in the economizer 14, an inlet and an outlet of the first passage are respectively connected to the first heat exchanger 13 and the liquid storage tank 15, an inlet of the second passage is connected to an outlet of the first passage through a fifth pipeline 102, a fourth control valve 1021 and a second throttling element 1022 are arranged on the fifth pipeline 102, and an outlet of the second passage is connected to the gas-liquid separator 19. Under the low temperature environment, the partial refrigerant flowing out of the first passage enters the fifth pipeline 102, enters the second passage after being throttled and depressurized by the second throttling element 1022, the refrigerant in the second passage evaporates and absorbs the heat of the refrigerant in the first passage, so that the partial refrigerant flowing into the liquid storage tank 15 is supercooled, meanwhile, the refrigerant in the second passage enters the compressor 11, the air supplement and increase are carried out on the compressor 11, and the working performance of the air source heat pump unit 1 under the low temperature environment is improved. In this embodiment, the fourth control valve 1021 is an electromagnetic valve, and the second throttling element 1022 is an electronic expansion valve, but in other embodiments, the fourth control valve 1021 may be a ball valve or other structure having an opening and closing function, and the second throttling element 1022 may be a throttling pipe or other throttling structure.
In addition, a first check valve 1011 is disposed between the reservoir 15 and the economizer 14, and the first check valve 1011 is opened in a direction toward the reservoir 15. The air source heat pump unit 1 further comprises a sixth pipeline 103, one end of the sixth pipeline 103 is connected to the first heat exchanger 13, the other end of the sixth pipeline 103 is connected between the filter 16 and the liquid storage tank 15, a second one-way valve 1031 is arranged on the sixth pipeline 103, and the second one-way valve 1031 is conducted along the direction pointing to the first heat exchanger 13.
With reference to fig. 1, the operation of the heat pump unit 1 is as follows.
1. A heating stage:
the high-temperature high-pressure gaseous refrigerant generated by the compressor 11 enters the first heat exchanger 13 through the four-way reversing valve, the refrigerant releases heat in the first heat exchanger 13, then sequentially passes through the economizer 14, the first check valve 1011, the liquid storage tank 15, the filter 16, the first throttling element 17, the filter 16, the air-cooled heat exchanger 181 and/or the working medium heat exchanger 182, the four-way reversing valve and the gas-liquid separator 19 along the first pipeline 101, and finally returns to the compressor 11 to complete the circulation of the refrigerant. In the above process, when the external temperature is high and the heat exchange requirement is met, the third control valve 1012 on the second branch pipeline is closed, the third control valve 1012 on the first branch pipeline is opened, and the refrigerant absorbs heat through the air-cooled heat exchanger 181 and evaporates; when the external temperature is low and the heat exchange requirement cannot be met, the third control valve 1012 on the first branch pipeline is closed, the third control valve 1012 on the second branch pipeline is opened, and the refrigerant absorbs heat through the working medium heat exchanger 182 and evaporates. Of course, the air-cooled heat exchanger 181 and the working medium heat exchanger 182 can work simultaneously to provide heat for the refrigerant.
In addition, when the external temperature is low, the fourth control valve 1021 and the second throttling element 1022 are opened, a part of the refrigerant flowing out of the first passage of the economizer 14 flows into the fifth pipeline 102, then flows into the second passage after being throttled and depressurized by the second throttling element 1022, and the refrigerant in the second passage absorbs the heat of the refrigerant in the first passage to be evaporated and then enters the compressor 11 to supplement air and increase enthalpy to the compressor 11.
2. A self-defrosting stage:
high-temperature and high-pressure gas generated by the compressor 11 enters the air-cooled heat exchanger 181 through the four-way reversing valve to heat and defrost the air-cooled heat exchanger 181, at this time, the third control valve 1012 on the second branch pipeline is closed, the third control valve 1012 on the first branch pipeline is opened, and then the refrigerant sequentially passes through the filter 16, the first throttling element 17, the filter 16, the second one-way valve 1031, the first heat exchanger 13, the four-way reversing valve and the gas-liquid separator 19 and then returns to the compressor 11.
The solar heat supply unit 2 comprises a solar heat collector 21 and a heat insulation box group, the solar heat collector 21, the heat insulation box group, the working medium heat exchanger 182 and the heat insulation box group are sequentially connected through a second pipeline 20 to form a circulation loop, and a working medium is filled in the second pipeline 20. In this embodiment, the heat insulation box set includes a second heat insulation box 22 and a third heat insulation box 23, a circulation loop is formed between the second heat insulation box 22 and the solar heat collector 21 through two sections of second pipelines 20, a circulation loop is formed between the third heat insulation box 23 and the second heat insulation box 22 through two sections of second pipelines 20, the third heat insulation box 23 is connected to the working medium heat exchanger 182 through two sections of second pipelines 20, a first liquid conveying mechanism 24 is disposed on the second pipeline 20 between the third heat insulation box 23 and the working medium heat exchanger 182, the first liquid conveying mechanism 24 can drive a working medium to exchange heat with a refrigerant in the second heat exchanger, the working medium emits heat, and the refrigerant absorbs heat, under the condition that the temperature of the outside air is too low, the solar energy is utilized to heat the refrigerant, the heat pump unit 1 can still work normally, and the heating efficiency of the phase-change energy-storage multiple-source heat pump device is improved. In this embodiment, the working medium is water, and the first liquid feeding mechanism 24 is a water pump, but in other embodiments, the working medium may also be a medium such as a heat transfer oil.
In addition, a sixth control valve 202, a fifth infusion mechanism 26 and a seventh control valve 203 are arranged on the second pipeline 20 between the solar heat collector 21 and the second heat preservation box 22, the sixth control valve 202, the fifth infusion mechanism 26 and the seventh control valve 203 are all arranged on a section of the second pipeline 20 between the solar heat collector 21 and the second heat preservation box 22 and positioned at the bottom of the second heat preservation box 22, and the fifth infusion mechanism 26 is positioned between the sixth control valve 202 and the seventh control valve 203, the sixth control valve 202 is positioned near one end of the second incubator 22, in this embodiment, the sixth control valve 202 is a check valve and is conducted in a direction toward the second thermal container 22, the seventh control valve 203 is an electromagnetic valve, the fifth infusion mechanism 26 is a water pump, of course, in other embodiments, the sixth control valve 202 and the seventh control valve 203 may also be a ball valve or other structures having opening and closing functions. The fifth infusion mechanism 26 drives the working medium to circulate between the solar heat collector 21 and the second heat preservation box 22, and the sixth control valve 202 can prevent the working medium in the second heat preservation box 22 from flowing back when the fifth infusion mechanism 26 does not work.
A fourth liquid conveying mechanism 25 and a fifth control valve 201 are arranged on a section of the second pipeline 20 between the second heat insulation box 22 and the third heat insulation box 23 and at the bottom of the second heat insulation box 22, the fourth liquid conveying mechanism 25 is used for driving a working medium to flow between the second heat insulation box 22 and the third heat insulation box 23, and when the fourth liquid conveying mechanism 25 does not work, the fifth control valve 201 is closed to prevent the working medium in the third heat insulation box 23 from flowing back. The reason why the two heat preservation boxes are arranged is that the water temperature in the second heat preservation box 22 is generally high, and the heat exchange between the two heat preservation boxes and the refrigerant in the working medium heat exchanger 182 can cause the temperature of the refrigerant returning to the compressor 11 to be too high, so that the normal work of the compressor 11 is affected, therefore, by arranging the two heat preservation boxes, the working medium can flow between the two heat preservation boxes, the water temperature in the third heat preservation box 23 can be kept in a certain range, the temperature of the refrigerant returning to the compressor 11 can be kept in a certain range, and the normal work of the compressor 11 can be ensured. In summer and other environments with higher temperature and longer sun irradiation time, the temperature of the outside air is higher, the air-cooled heat exchanger 181 can meet the heat required by the normal operation of the heat pump unit 1, at the moment, the working medium heat exchanger 182 does not work, and the hot water in the second heat insulation box 22 can be directly used by users or processing industries.
The operation of the solar heating unit 2 described above is as follows.
When the refrigerant of the heat pump unit 1 passes through the working medium heat exchanger 182, the solar heat supply unit 2 works.
The first liquid conveying mechanism 24 works, under the driving of the first liquid conveying mechanism 24, the working medium in the third heat preservation box 23 circularly flows between the third heat preservation box 23 and the working medium heat exchanger 182, heat exchange is carried out between the working medium heat exchanger 182 and the refrigerant, the working medium emits heat, and the refrigerant absorbs the heat. When the temperature in the third thermal insulation box 23 is lower than the preset temperature range, the fifth control valve 201 is opened, the fourth infusion mechanism 25 works, and the working medium is driven by the fourth infusion mechanism 25 to circularly flow between the second thermal insulation box 22 and the third thermal insulation box 23, so that the temperature of the working medium in the third thermal insulation box 23 is maintained within the preset temperature range. When the temperature in the second thermal insulation box 22 is lower than the preset temperature, the seventh control valve 203 is opened, and the fifth infusion mechanism 26 is operated to drive the working medium to flow between the solar heat collector 21 and the second thermal insulation box 22, so that the temperature of the working medium in the second thermal insulation box 22 is increased and maintained within a required range.
The energy storage unit 3 includes an energy storage tank 31, an electric heating device and a first heat preservation tank 32, the energy storage tank 31 is filled with a phase change material, the phase change material is a material such as high-temperature molten salt, and is not limited specifically herein, the electric heating device is used for providing heat for the phase change material, and the electric heating device can be a structure such as an electric heating tube, and is not limited specifically herein. The energy storage tank 31, the first heat preservation tank 32, the first heat exchanger 13 and the first heat preservation tank 32 are sequentially connected through the third pipeline 30 to form a loop, and the first heat preservation tank 32 is of an open structure, so that redundant pressure in the energy storage unit 3 can be released, namely, the pressure in the energy storage unit 3 is prevented from being too high. The third pipeline 30 is filled with a heat exchange medium, the third pipeline 30 between the energy storage tank 31 and the first heat preservation tank 32 is provided with a third liquid conveying mechanism 33 and an eighth control valve 303, when the eighth control valve 303 is opened, the third liquid conveying mechanism 33 drives the heat exchange medium to absorb heat released by the phase change material, so that the temperature of the heat exchange medium is increased, in this embodiment, the heat exchange medium is water, the third liquid conveying mechanism 33 is a water pump, and in other embodiments, the heat exchange medium may also be a medium such as heat transfer oil.
The heating unit 4 comprises a heating body 41, the heating body 41 is connected to the two end third pipelines 30 between the energy storage tank 31 and the first heat exchanger 13 through two sections of fourth pipelines 40, the fourth pipeline 40 is provided with a second liquid conveying mechanism 42, and the fourth pipeline 40 is also filled with the same heat exchange medium as that in the third pipeline 30. The heating body 41 is arranged below the airport runway and comprises a shell and a radiating pipe, wherein the radiating pipe is arranged in the shell and is connected to the fourth pipeline 40, heat can be provided for the airport runway to remove snow and ice, and snow and ice can be prevented from being accumulated in the airport runway.
The second liquid conveying mechanism 42 can drive the heat exchange medium to flow between the warm body 31 and the first heat preservation tank 32 and/or the first heat exchanger 13, specifically, the fourth pipelines 40 connected to the two ends of the warm body 41 are respectively connected to the two sections of the fourth pipelines 40 between the first heat preservation tank 32 and the first heat exchanger 13, wherein one section of the third pipeline 30 is provided with a first control valve 301 at both sides of the connection point with the fourth pipeline 40, the other section of the third pipeline 30 is provided with a second control valve 302 at both sides of the connection point with the fourth pipeline 40, in this embodiment, the first control valve 301 is a check valve, and each check valve is open in a direction towards the other check valve, the second control valve 302 is a solenoid valve, of course, in other embodiments, the first control valve 301 and the second control valve 302 may also be a ball valve or other structures having opening and closing functions, and the structures of the first control valve 301 and the second control valve 302 may be the same or different.
Referring to fig. 1, the energy storage unit 3 and the warming unit 4 operate as follows.
1. When the energy storage unit 3 stores heat energy, the electric heating device utilizes valley electricity to provide heat for the phase-change material at night, and the phase-change material absorbs the heat to store the heat energy.
2. When the warmer unit 4 works alone, at this time, the second control valve 302 on the third pipeline 30 close to one end of the first heat preservation tank 32 is closed, the second control valve 302 close to the first heat exchanger 13 is opened, under the driving of the second infusion mechanism 42, the heat exchange medium absorbs heat in the first heat exchanger 13, then the heat exchange medium emits heat in the heat dissipation pipe of the warmer body 41 to heat the airport runway, and then the heat exchange medium flows back to the first heat exchanger 13 again to perform the next circulation.
3. When the energy storage unit 3 releases heat energy, the eighth control valve 303 is opened, the second control valve 302 close to the first heat preservation tank 32 is opened, the second control valve 302 close to the first heat exchanger 13 is closed, the third liquid conveying mechanism 33 works to drive the heat exchange medium to circularly flow between the first heat preservation tank 32 and the energy storage tank 31, the phase change material releases heat, the heat exchange medium absorbs heat, and the temperature of the heat exchange medium in the first heat preservation tank 32 rises; meanwhile, the second infusion mechanism 42 works, the heat exchange medium flowing out of the warmer body 41 enters the thermal insulation box through the second infusion mechanism 42 and the second control valve 302 close to the first thermal insulation box 32, and then returns to the warmer body 41 through the check valve close to the first thermal insulation box 32, and the heat exchange medium emits heat in the heat dissipation pipe in the warmer body 41 to heat the airport runway.
In the above process, the heat pump unit 1 is in an operating state or an inoperative state, when the heat pump unit 1 is in the operating state, the second control valve 302 close to the first heat exchanger 13 is opened, and under the driving of the second infusion mechanism 42, the heat exchange medium absorbs heat in the first heat exchanger 13, then passes through the check valve close to the first heat exchanger 13, is mixed with the heat exchange medium flowing out of the first heat preservation tank 32, and flows into the heating body 41 to emit heat.
In addition, the phase-change energy-storage compound source heat pump device further comprises a control system (not shown in the figure), wherein the control system is connected with the heat pump unit 1, the solar heat supply unit 2, the energy storage unit 3 and the warming unit 4, the operations of self-defrosting of the heat pump unit 1, working of the solar heat supply unit 2 and the like are performed according to actual needs, and the heat pump unit 1, the solar heat supply unit 2, the energy storage unit 3 and the warming unit 4 ensure that the phase-change energy-storage compound source heat pump device works normally to provide enough heat for an airport runway. The control system is a control structure that is common in the prior art, and is not described herein again.
In conclusion, through the solar heat supply unit 2, when the external environment temperature is lower, solar energy alone or together with air energy is adopted to provide heat for the refrigerant, so that the heat pump unit 1 can still normally work in a low-temperature environment, the heating efficiency of the heat pump unit 1 in the low-temperature environment is improved, and therefore enough heat is provided for the heating unit 4 to heat the airport runway, snow removal and ice removal are achieved for the airport runway, and snow accumulation and icing of the runway are prevented. The application area of the phase-change energy storage multiple source heat pump device can be widened by combining solar energy and air energy; in addition, the solar energy is clean and renewable energy, and the running cost of the phase-change energy storage multiple source heat pump device can be effectively reduced. Through setting up energy storage unit 3, can utilize the millet electricity at night and carry out the storage of heat energy through phase change material, and release the heat energy that phase change material stored again daytime and heat the airport runway with the heating body 41 of heating body unit 4, can reduce the power consumption cost and the power consumption burden at airport.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a phase transition energy storage multiple source heat pump device for airport runway, includes heat pump set (1), heat pump set (1) is including connecting gradually compressor (11), switching-over valve (12), first heat exchanger (13), first throttling element (17) and the second heat exchanger that forms circulation circuit through first pipeline (101), be equipped with the refrigerant in first pipeline (101), its characterized in that, the second heat exchanger is including parallelly connected air-cooled heat exchanger (181) and working medium heat exchanger (182) that set up, a phase transition energy storage multiple source heat pump device for airport runway still includes:
the solar heat supply unit (2) comprises a solar heat collector (21) and a heat preservation box group, wherein the solar heat collector (21), the heat preservation box group, a working medium heat exchanger (182) and the heat preservation box group are sequentially connected through a second pipeline (20) to form a circulation loop, a working medium is filled in the second pipeline (20), and a first liquid conveying mechanism (24) is arranged on the second pipeline (20) and is configured to drive the working medium to exchange heat with the refrigerant in the working medium heat exchanger (182);
the energy storage unit (3) comprises an energy storage tank (31) and an electric heating device, a phase-change material is filled in the energy storage tank (31), the electric heating device is configured to provide heat for the phase-change material, and the energy storage tank (31) and the first heat exchanger (13) are sequentially connected through a third pipeline (30) to form a loop;
warm body unit (4), including warm body (41), warm body (41) connect respectively through two sections fourth pipeline (40) in energy storage tank (31) with two sections between first heat exchanger (13) third pipeline (30), fourth pipeline (40) with all be filled with heat transfer medium in third pipeline (30), be provided with second infusion mechanism (42) on fourth pipeline (40), be configured to the drive heat transfer medium warm body (41) with flow between energy storage tank (31) and/or first heat exchanger (13), warm body (41) set up in airport runway below, are configured to the airport provides the heat.
2. The phase-change energy storage multiple source heat pump device for the airport runway according to claim 1, characterized in that the energy storage unit (3) further comprises a first heat preservation box (32), a circulation loop is formed between the first heat preservation box (32) and the energy storage tank (31) through two sections of the third pipeline (30), the first heat preservation box (32) is connected to the first heat exchanger (13) through two sections of the third pipeline (30), and two sections of the fourth pipeline (40) are respectively connected to the two sections of the third pipeline (30) between the first heat preservation box (32) and the first heat exchanger (13).
3. The phase-change energy-storage multiple-source heat pump device for the airport runway according to claim 2, characterized in that a third liquid conveying mechanism (33) is arranged on the third pipeline (30) between the first heat-preservation tank (32) and the energy-preservation tank (31) and is configured to drive the heat exchange medium to circularly flow between the energy-preservation tank (31) and the first heat-preservation tank (32).
4. The phase-change energy-storage multiple-source heat pump device for the airport runway according to claim 1, characterized in that two sections of the fourth pipeline (40) connected to the warmer body (41) are respectively connected to two sections of the third pipeline (30) between the energy-storage tank (31) and the first heat exchanger (13), wherein one section of the third pipeline (30) is provided with a first control valve (301) on two sides of the connection point with the fourth pipeline (40), and the other section of the third pipeline (30) is provided with a second control valve (302) on two sides of the connection point with the fourth pipeline (40).
5. The phase change energy storage multiple source heat pump device for airport runways according to claim 4, characterized in that the first control valve (301) is a check valve and each of the check valves is conducting in a direction pointing to the other check valve.
6. The phase-change energy storage multiple source heat pump device for airport runways according to claim 1, characterized in that the warm body (41) comprises a housing and a heat dissipation pipe, which is arranged in the housing and connected to the fourth pipeline (40).
7. The phase-change energy storage multiple source heat pump device for the airport runway according to claim 1, characterized in that the heat insulation box group comprises a second heat insulation box (22) and a third heat insulation box (23), a circulation loop is formed between the second heat insulation box (22) and the solar heat collector (21) through two sections of the second pipeline (20), a circulation loop is formed between the third heat insulation box (23) and the second heat insulation box (22) through two sections of the second pipeline (20), and the third heat insulation box (23) is connected to the working medium heat exchanger (182) through two sections of the second pipeline (20).
8. The phase-change energy storage multiple source heat pump device for airport runway according to claim 7, characterized by that, the solar heating unit (2) further comprises a fourth liquid feeding mechanism (25), the fourth liquid feeding mechanism (25) is arranged on the second pipeline (20) between the second incubator (22) and the third incubator (23) and is configured to drive the working medium to flow between the second incubator (22) and the third incubator (23).
9. The phase-change energy storage multiple source heat pump device for an airport runway according to claim 7, wherein the solar heating unit (2) further comprises a fifth liquid feeding mechanism (26), the fifth liquid feeding mechanism (26) is arranged on the second pipeline (20) between the second heat preservation box (22) and the solar heat collector (21) and is configured to drive the working medium to flow between the second heat preservation box (22) and the solar heat collector (21).
10. The phase-change energy-storage multiple-source heat pump device for the airport runway according to claim 1, characterized in that a first branch pipeline and a second branch pipeline are connected between the first throttling element (17) and the reversing valve (12), the air-cooled heat exchanger (181) and the working medium heat exchanger (182) are respectively arranged on the first branch pipeline and the second branch pipeline, and a third control valve (1012) is respectively arranged on the first branch pipeline and the second branch pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920363018.6U CN210242080U (en) | 2019-03-21 | 2019-03-21 | Phase-change energy-storage multiple-source heat pump device for airport runway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920363018.6U CN210242080U (en) | 2019-03-21 | 2019-03-21 | Phase-change energy-storage multiple-source heat pump device for airport runway |
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| Publication Number | Publication Date |
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| CN210242080U true CN210242080U (en) | 2020-04-03 |
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| CN201920363018.6U Expired - Fee Related CN210242080U (en) | 2019-03-21 | 2019-03-21 | Phase-change energy-storage multiple-source heat pump device for airport runway |
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| Country | Link |
|---|---|
| CN (1) | CN210242080U (en) |
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2019
- 2019-03-21 CN CN201920363018.6U patent/CN210242080U/en not_active Expired - Fee Related
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