CN212252557U - Solar energy and heat pump coupled steam generation system - Google Patents
Solar energy and heat pump coupled steam generation system Download PDFInfo
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- CN212252557U CN212252557U CN202020951635.0U CN202020951635U CN212252557U CN 212252557 U CN212252557 U CN 212252557U CN 202020951635 U CN202020951635 U CN 202020951635U CN 212252557 U CN212252557 U CN 212252557U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 125
- 230000001105 regulatory effect Effects 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 41
- 238000003860 storage Methods 0.000 claims description 14
- 239000008399 tap water Substances 0.000 claims description 5
- 235000020679 tap water Nutrition 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 6
- 238000004321 preservation Methods 0.000 description 4
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 3
- 229910052918 calcium silicate Inorganic materials 0.000 description 3
- 235000012241 calcium silicate Nutrition 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical group FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The utility model relates to a steam generation system with solar energy and heat pump coupled, which comprises a groove type solar heat collector, a temperature regulating water tank, a heat exchange water tank, an air source heat pump and an evaporator; a first heat exchange coil and a second heat exchange coil are arranged in the heat exchange water tank, the inlet of the first heat exchange coil is connected with the outlet of the heat collecting pipe of the groove type solar heat collector through an oil pump, and the outlet of the first heat exchange coil is connected with the inlet of the heat collecting pipe of the groove type solar heat collector; the inlet and the outlet of the second heat exchange coil are respectively connected with the outlet and the inlet of the air source heat pump; the side outlet of the heat exchange water tank is connected with the side inlet of the evaporator through a third water pump, and the side outlet of the evaporator is connected with the side inlet of the heat exchange water tank; an outlet at the upper part of the heat exchange water tank is connected with an inlet of the temperature regulating water tank through a second water pump, and an outlet of the temperature regulating water tank is connected with an inlet at the upper part of the heat exchange water tank through a first water pump. The system combines solar energy and a heat pump unit, and a high-temperature heat pump working medium of the heat pump unit is heated by the solar energy.
Description
Technical Field
The utility model relates to a renewable energy utilizes equipment technical field, concretely relates to steam generation system of solar energy and heat pump coupling.
Background
Steam is a common heating medium, and most of current steam generation devices produce steam through the burning of fossil fuel, and not only energy availability factor is lower, can cause negative effects to the environment moreover. Compared with heating technologies such as a boiler and electric heating, the most outstanding advantage of the heat pump technology is that a large amount of heat energy can be obtained by consuming a small amount of electric energy, the heat supply efficiency is higher, and heat contained in the environment or useless low-temperature waste heat in the production process can be converted into high-level heat energy which can meet the requirements of users. At present, a common high-temperature heat pump steam unit mainly heats water through electricity and then converts the heated water into steam, and the method for directly heating the water through electricity has the disadvantages of large electric energy consumption and high cost.
Solar energy is used as renewable clean energy, and has good energy-saving and economic benefits compared with fossil energy and electric energy, solar energy is combined with a heat pump technology, the temperature of water in a heat exchange water tank is increased by using the solar energy as an auxiliary heat source, and then the initial temperature of a high-temperature heat pump working medium of a high-temperature heat pump unit is increased, so that the utilization rate of the solar energy can be increased, and the consumption of the heat pump unit on the electric energy is reduced.
SUMMERY OF THE UTILITY MODEL
The steam generator is used for generating steam by utilizing solar energy and heat pump coupling.
The utility model provides a technical scheme is:
a steam generation system with solar energy coupled with a heat pump comprises a trough type solar thermal collector, a temperature regulating water tank, a heat exchange water tank, an air source heat pump and an evaporator; it is characterized in that the preparation method is characterized in that,
a first heat exchange coil and a second heat exchange coil are arranged in the heat exchange water tank, the inlet of the first heat exchange coil is connected with the outlet of the heat collecting pipe of the groove type solar heat collector through an oil pump, and the outlet of the first heat exchange coil is connected with the inlet of the heat collecting pipe of the groove type solar heat collector; the inlet and the outlet of the second heat exchange coil are respectively connected with the outlet and the inlet of the air source heat pump; the side outlet of the heat exchange water tank is connected with the side inlet of the evaporator through a third water pump, and the side outlet of the evaporator is connected with the side inlet of the heat exchange water tank; an outlet of the upper part of the temperature regulating water tank is connected with an inlet of the heat exchange water tank through a first water pump;
the lower outlet of the evaporator is sequentially connected with a first liquid storage tank, a first gas-liquid separator, a first filter and a first compressor and is connected with a lower inlet of the condenser, and an upper outlet of the condenser is connected with an upper inlet of the evaporator; the other upper outlet of the condenser is connected with a tap water input end through a fourth water pump, the other upper outlet of the condenser is simultaneously connected with an inlet of a first gas-liquid separator, an outlet of the first gas-liquid separator is connected with the other lower inlet of the condenser, and the first gas-liquid separator outputs steam simultaneously.
The air source heat pump is composed of an air source heat pump unit, and the air source heat pump unit comprises a second liquid storage tank, a second gas-liquid separator, a second filter, a second compressor and a fan coil; the inlet of the second heat exchange coil sequentially passes through a second liquid storage tank, a second gas-liquid separator, a second filter and a second compressor to be connected with the inlet of the fan coil, the outlet of the fan coil is connected with the inlet of the second heat exchange coil, and the fan coil is simultaneously connected with an external air source.
The outer surfaces of the temperature regulating water tank and the heat exchange water tank are coated with heat preservation cotton.
Compared with the prior art, the utility model discloses beneficial effect:
1. the utility model combines solar energy with a heat pump unit, and high temperature heat pump working medium of the heat pump unit is heated by the solar energy, thereby avoiding the problems of environmental pollution, high cost and the like when electric energy or fossil fuel is adopted to heat the high temperature heat pump working medium; although the heat pump unit can consume electric energy when running, the heating efficiency of the heat pump unit is higher under the condition of consuming the same electric energy, for example, 1kW of electric energy consumed by electric heating can only generate 1kW of heat, but 3kW or even higher heat can be generated by using the heat pump unit to heat the electric energy consumed by 1 kW.
2. The utility model adopts the air source heat pump unit to heat the water in the heat exchange water tank, which can meet the heat demand of the heat exchange water tank in different seasons and different weather; in summer with abundant solar energy, the redundant heat absorbed by the groove type solar collector can be stored in the temperature-adjusting water tank through the water circulation of the temperature-adjusting water tank and the heat exchange water tank, and hot water in the temperature-adjusting water tank can also provide domestic hot water; when solar energy is weak in winter, water in the heat exchange water tank can be heated through heat exchange between the temperature regulating water tank and the heat exchange water tank or by using the air source heat pump unit.
3. Under the same weather conditions, compared with the common solar water heater, the trough type solar heat collector can absorb more solar energy, can heat water to 50-60 ℃ in winter and 80-90 ℃ in summer, and has higher solar energy utilization rate; the groove type solar heat collector adopts heat conduction oil, so that freezing prevention can be realized in winter, the phenomenon that water is used as a heat conduction medium to generate gasification can be avoided in summer, heat energy waste is caused, and the running stability of a solar heat collection subsystem is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection between the heat exchange water tank and the trough type solar heat collector, the temperature regulating water tank, the evaporator and the air source heat pump;
fig. 3 is a schematic structural diagram of the air source heat pump of the present invention;
in the figure: 1. a trough solar collector; 2. a temperature-regulating water tank; 3. a heat exchange water tank; 4. an oil pump; 5. a first valve; 6. an air source heat pump; 7. a water pump I; 8. a second water pump; 9. a first liquid storage tank; 10. a first gas-liquid separator; 11. a first filter; 12. a first compressor; 13. a condenser; 14. a first electronic expansion valve; 15. an evaporator; 16. a first gas-liquid separator; 17. an exhaust valve; 18. a third water pump; 19. a second valve; 20. a third valve; 21. a valve number four; 22. a first solenoid valve; 23. a first check valve; 24. a fourth water pump; 25. a second solenoid valve; 26. a second one-way valve; 27. a third electromagnetic valve;
31. a first heat exchange coil; 32 a second heat exchange coil; 61. a second liquid storage tank; 62. a second gas-liquid separator; 63. a second filter; 64. a second compressor; 65. a fan coil; 66. and a second electronic expansion valve.
Detailed Description
In order to make the present invention more popular and easy to understand, the following text will be further described with reference to examples and drawings.
The utility model provides a solar energy and heat pump coupled steam generating system (for short, refer to the system in figures 1-3), which comprises a groove type solar heat collector 1, a temperature regulating water tank 2, a heat exchange water tank 3, an air source heat pump 6 and an evaporator 15;
a first heat exchange coil 31 and a second heat exchange coil 32 are arranged in the heat exchange water tank 3, the inlet of the first heat exchange coil 31 is connected with the outlet of the heat collecting pipe of the groove type solar heat collector 1 through an oil pump 4 and a second valve 19, and the outlet of the first heat exchange coil 31 is connected with the inlet of the heat collecting pipe of the groove type solar heat collector 1 through a first valve 5; the inlet and the outlet of the second heat exchange coil 32 are respectively connected with the outlet and the inlet of the air source heat pump 6; the side outlet of the heat exchange water tank 3 is connected with the side inlet of the evaporator 15 through a third water pump 18 and a fourth valve 21, and the side outlet of the evaporator 15 is connected with the side inlet of the heat exchange water tank 3 through a third valve 20; an outlet at the upper part of the heat exchange water tank 3 is connected with an inlet of the temperature regulating water tank 2 through a first check valve 23, a first electromagnetic valve 22 and a second water pump 8, and an outlet of the temperature regulating water tank 2 is connected with an inlet at the upper part of the heat exchange water tank 3 through a first water pump 7, a second electromagnetic valve 26 and a second check valve 25; the heat exchange water tank 3, the solar heat collector 1 and the oil pump 4 form a solar heat collecting subsystem together;
the lower outlet of the evaporator 15 is sequentially connected with a first liquid storage tank 9, a first gas-liquid separator 10, a first filter 11 and a first compressor 12 and is connected with a lower inlet of a condenser 13, and an upper outlet of the condenser 13 is connected with an upper inlet of the evaporator 15 through a first electronic expansion valve 14; the evaporator 15, the first liquid storage tank 9, the first gas-liquid separator 10, the first filter 11, the first compressor 12 and the condenser 13 form a high-temperature heat pump unit; the other upper outlet of the condenser 13 is connected with a tap water input end through a fourth water pump 24 and a third electromagnetic valve 27, the other upper outlet of the condenser 13 is simultaneously connected with the inlet of the first gas-liquid separator 16, and the outlet of the first gas-liquid separator 16 is connected with the other lower inlet of the condenser 13; the output end of the first gas-liquid separator 16 outputs steam through an exhaust valve 17 for a user end to use;
the air source heat pump 6 is composed of an air source heat pump unit, and the air source heat pump unit comprises a second liquid storage tank 61, a second gas-liquid separator 62, a second filter 63, a second compressor 64 and a fan coil 65; the inlet of the second heat exchange coil 32 is connected with the inlet of the fan coil 65 through a second liquid storage tank 61, a second gas-liquid separator 62, a second filter 63 and a second compressor 64 in sequence, the outlet of the fan coil 65 is connected with the inlet of the second heat exchange coil 32 through a second electronic expansion valve 66, and the fan coil 65 is connected with an external air source and exchanges heat with the external air source.
The high-temperature heat pump working medium of the high-temperature heat pump unit is R245fa refrigerant; the high-temperature heat pump working medium of the air source heat pump unit is R410a refrigerant.
The temperature-regulating water tank 2 is made of materials with heat preservation function, so that the temperature-regulating water tank 2 has certain heat preservation time; the outer surfaces of the temperature regulating water tank 2 and the heat exchange water tank 3 are coated with heat preservation cotton.
The high-temperature heat pump unit adopts a belite water source heat pump unit, and the model number of the belite water source heat pump unit is GSHP14GR 1; the air source heat pump unit adopts a belite low-temperature air energy heat pump unit, and the model number of the air source heat pump unit is LSQWR 60M; the first water pump 7, the second water pump 8, the third water pump 18 and the fourth water pump are all new XPS-12-180 type water pumps; all the electromagnetic valves adopt Zhengtai 250-25 type electromagnetic valves; the model of the groove type solar heat collector 1 is SZ-62-12; the oil pump 4 adopts an BRY air-cooled hot oil pump, and the model number of the hot oil pump is BYR 32-32-16; all valves adopt stainless steel flange ball valves, and the model number of the valves is Q41F-16P/R; all check valves are H14W/X-16P.
The utility model discloses a theory of operation and work flow are:
firstly, the solar heat collector subsystem works, namely the oil pump 4 works, so that heat conducting oil in a circulating pipeline formed by the groove type solar heat collector 1 and the first heat exchange coil 31 circulates, and the heat conducting oil enters the groove type solar heat collector 1 and then is heated by solar energy absorbed by the groove type solar heat collector 1; the heat conduction oil heated by the groove type solar heat collector 1 enters the first heat exchange coil 31 of the heat exchange water tank 3 under the action of the oil pump 4, exchanges heat with water in the heat exchange water tank 3 and heats the water, the heat conduction oil in the first heat exchange coil 31 is cooled, and the cooled heat conduction oil returns to the groove type solar heat collector 1 to be continuously heated, so that the circulation of the heat conduction oil between the groove type solar heat collector 1 and the first heat exchange coil 31 is completed, and the water in the heat exchange water tank 3 is continuously heated;
when the water in the heat exchange water tank 3 is heated to a certain temperature (about 70 ℃), the high-temperature heat pump unit starts to work, the water in the heat exchange water tank 3 enters the evaporator 15 through the third water pump 18, the high-temperature heat pump working medium of the high-temperature heat pump unit is heated, and the use of electric energy is reduced; high-temperature heat pump working medium of the high-temperature heat pump unit absorbs heat and then evaporates, the evaporated high-temperature heat pump working medium enters a first liquid storage tank 9, then enters a first compressor 12 through a first gas-liquid separator 10 and a first filter 11 to be pressurized to form high-temperature and high-pressure working medium (about 120 ℃), finally enters a condenser 13 to exchange heat with tap water to heat the tap water to form steam, the steam is discharged through a first gas-liquid separator 16 and an exhaust valve 17, and water which does not form steam enters the condenser 13 to be heated after passing through the first gas-liquid separator 16;
in a sunny day in summer, under the condition that the high-temperature heat pump unit does not work or the high-temperature heat pump unit is guaranteed to work normally, the waste heat of the heat exchange water tank 3 exchanges heat with the temperature regulating water tank 2, and the redundant heat in the heat exchange water tank 3 is stored in the water medium of the temperature regulating water tank 2 and is used for storing solar energy;
in winter or under the condition of insufficient solar energy, when the water temperature in the heat exchange water tank 3 is lower than a set temperature (about 40 ℃), the temperature regulating water tank 2 starts to work, the temperature regulating water tank 2 exchanges heat with the heat exchange water tank 3, and the temperature of the water in the heat exchange water tank 3 is compensated; when the water in the heat exchange water tank 3 still does not reach the set temperature (about 70 ℃) after temperature compensation, the air source heat pump unit starts to work; external air source gets into the air source heat pump set from fan coil 65, the high temperature heat pump working medium of air source heat pump set is evaporated after absorbing the heat, the high temperature heat pump working medium after the evaporation gets into in second heat exchange coil 32, carry out the heat transfer with heat exchange water tank 3's water, the low temperature heat pump working medium after the heat transfer gets into No. two liquid storage tanks 61, then get into No. two compressors 64 through No. two vapour and liquid separators 62 and No. two filters 63 and pressurize and form high temperature high pressure working medium once more, the water circulation heating in the heat exchange water tank 3, until the water in the heat exchange water tank 3 reaches the settlement temperature.
The steam generation system can be applied to central heating, and slot type solar collector 1, temperature regulating water tank 2 and heat exchange water tank 3 are all installed in the spacious place in level land, guarantee that slot type solar collector 1 can be shone by the sunlight, and air source heat pump 6 and high temperature heat pump set install in the computer lab, and a vapour and liquid separator 16's output is connected with the user side.
The utility model discloses the nothing is mentioned the part and is applicable to prior art.
Claims (3)
1. A steam generation system with solar energy coupled with a heat pump comprises a trough type solar thermal collector, a temperature regulating water tank, a heat exchange water tank, an air source heat pump and an evaporator; it is characterized in that the preparation method is characterized in that,
a first heat exchange coil and a second heat exchange coil are arranged in the heat exchange water tank, the inlet of the first heat exchange coil is connected with the outlet of the heat collecting pipe of the groove type solar heat collector through an oil pump, and the outlet of the first heat exchange coil is connected with the inlet of the heat collecting pipe of the groove type solar heat collector; the inlet and the outlet of the second heat exchange coil are respectively connected with the outlet and the inlet of the air source heat pump; the side outlet of the heat exchange water tank is connected with the side inlet of the evaporator through a third water pump, and the side outlet of the evaporator is connected with the side inlet of the heat exchange water tank; an outlet of the upper part of the temperature regulating water tank is connected with an inlet of the heat exchange water tank through a first water pump;
the lower outlet of the evaporator is sequentially connected with a first liquid storage tank, a first gas-liquid separator, a first filter and a first compressor and is connected with a lower inlet of the condenser, and an upper outlet of the condenser is connected with an upper inlet of the evaporator; the other upper outlet of the condenser is connected with a tap water input end through a fourth water pump, the other upper outlet of the condenser is simultaneously connected with an inlet of a first gas-liquid separator, an outlet of the first gas-liquid separator is connected with the other lower inlet of the condenser, and the first gas-liquid separator outputs steam simultaneously.
2. The solar and heat pump coupled steam generation system of claim 1, wherein the air source heat pump is comprised of an air source heat pump unit, the air source heat pump unit comprising a second liquid storage tank, a second gas-liquid separator, a second filter, a second compressor and a fan coil; the inlet of the second heat exchange coil sequentially passes through a second liquid storage tank, a second gas-liquid separator, a second filter and a second compressor to be connected with the inlet of the fan coil, the outlet of the fan coil is connected with the inlet of the second heat exchange coil, and the fan coil is simultaneously connected with an external air source.
3. The solar and heat pump coupled steam generation system of claim 1 or 2, wherein the outer surfaces of the temperature regulating water tank and the heat exchange water tank are coated with heat insulation cotton.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020951635.0U CN212252557U (en) | 2020-05-29 | 2020-05-29 | Solar energy and heat pump coupled steam generation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020951635.0U CN212252557U (en) | 2020-05-29 | 2020-05-29 | Solar energy and heat pump coupled steam generation system |
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| CN202020951635.0U Expired - Fee Related CN212252557U (en) | 2020-05-29 | 2020-05-29 | Solar energy and heat pump coupled steam generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506894A (en) * | 2022-01-14 | 2022-05-17 | 广东红日节能环保科技有限公司 | Distilled water generating device heated by solar energy and air source heat pump jointly |
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2020
- 2020-05-29 CN CN202020951635.0U patent/CN212252557U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506894A (en) * | 2022-01-14 | 2022-05-17 | 广东红日节能环保科技有限公司 | Distilled water generating device heated by solar energy and air source heat pump jointly |
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Granted publication date: 20201229 |