CN205135737U - Power generation facility is united with LNG cold energy to heat pump auxiliary type solar energy - Google Patents
Power generation facility is united with LNG cold energy to heat pump auxiliary type solar energy Download PDFInfo
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- CN205135737U CN205135737U CN201520706516.8U CN201520706516U CN205135737U CN 205135737 U CN205135737 U CN 205135737U CN 201520706516 U CN201520706516 U CN 201520706516U CN 205135737 U CN205135737 U CN 205135737U
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- lng
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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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- 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
- Y02E10/44—Heat exchange systems
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model discloses a power generation facility is united with LNG cold energy to heat pump auxiliary type solar energy. The device utilizes LNG heat exchanger (3) recycle LNG low temperature cold energy to come liquefaction electricity generation cycle fluid (propylene) to utilize heat -retaining heat exchange water tank (9) recycle air source heat pump auxiliary type solar water -heating preparation facilities to heat, it provides the high temperature heat source to gasify for the intensification of electricity generation cycle fluid, thereby has increased high, the low temperature heat source difference in temperature of electricity generation circulation, has ensured the stability of high temperature heat source temperature simultaneously. Through setting up flow control valve (6) and water bath formula vaporizer (5), make LNG gasification volume and natural gas transportation temperature not receive the influence of the steam power electricity generation circulation situation of opening to the reliability of low reaches air feed has been improved. The utility model discloses can make full use of the abundant sun resource of china and a large amount of LNG cold energies, alleviate china's electric power demand pressure.
Description
Technical field
The utility model relates to the combined power generation device of a kind of new type high temperature thermal source and LNG cold energy, particularly relate to and a kind ofly utilize air source heat pump auxiliary type solar water heater as high temperature heat source, LNG cold energy as the combined power generation device of low temperature cold source, solar energy utilization technique, air source heat pump technology and LNG cold energy generation technology organically combine by it, belong to utilization of new energy resources and energy-conserving and emission-cutting technology field.
Background technique
During LNG gasification, discharge a large amount of cold energy, rationally recycle this part cold energy and will obtain very considerable economic benefit and environmental benefit.In recent years, China imported L NG amount increases year by year, and LNG receiving station and LNG satellite station pace of construction are constantly accelerated, and LNG cold energy recycle has a high potential.LNG cold energy generation is a kind of effective means recycling LNG cold energy.LNG cold energy generation needs the auxiliary ability of external heat source to carry out smoothly, and heat source temperature is higher, and the generated energy of its unit mass LNG is also larger.At present, the high temperature heat source of Large LNG reception vaporizing station cold energy generation mainly contains air, seawater, industrial waste heat etc.
But during using normal temperature air as high temperature heat source, its specific heat capacity is lower, and temperature is not high, LNG cold energy generation benefit effectively can not be improved.Meanwhile, using seawater as high temperature heat source, though its specific heat capacity is large, heat exchange efficiency is high, ocean temperature is general lower and unstable.And during using industrial waste heat as high temperature heat source, though its heat is comparatively large, generating efficiency is high, the unsuitable long distance delivery of heating agent, this is also for the addressing of LNG vaporizing station proposes harsh requirement, and must implement by synchronous planning.In summary, air, seawater, industrial waste heat have its obvious own limitations as the high temperature heat source of LNG cold energy generation.China's solar energy resources is very abundant, and the solar energy resources in overwhelming majority area has very considerable value.Meanwhile, heat pump heating technology obviously comparatively direct electro heating technical energy saving.Heat pump auxiliary type solar energy hot technology takes full advantage of the intrinsic advantage of heat pump techniques and solar energy utilization technique, compensate for deficiency each other, two kinds of technology can be had complementary advantages, can while recycling solar energy resources to greatest extent, stablizing of effective guarantee heat source temperature, thus reach the energy-conservation dual purpose stable with guarantee generated energy.Heat pump auxiliary type solar water heater technology not only effectively can improve the high temperature heat source temperature of LNG cold energy generation, can ensure the stable of heat source temperature simultaneously, thus improve power benefit.
Model utility content
The purpose of this utility model is the combined power generation device providing a kind of comprehensive utilization heat pump technology, solar energy hot technology and LNG cold energy recycle technology, heat pump, solar water heater, LNG cold energy generation device organically combine by this device, thus three kinds of Novel energy-saving devices can be had complementary advantages, thus effectively improve the economic benefits of power generating of device.
In order to achieve the above object, the utility model solves the technological scheme that its technical problem adopts and is:
A kind of heat pump auxiliary type solar energy and LNG cold energy combined power generation device comprise: by LNG storage tank 1, LNG compression pump 2, LNG heat exchanger 3, water bath type vaporizer 4, the LNG pressurization that pressure regulator valve 5 and flow control valve 6 form, gasification, regulator, by cycle fluid liquid container 7, cycle fluid compression pump 8, heat storage and exchange water tank 9, the steam power power generation cycle device that turbine power generation unit 10 forms, and by heat storage and exchange water tank 9, throttle valve 11, vaporizer 12, compressor 13, solar water circulating water pump 14, air source heat pump auxiliary type solar heat water preparation apparatus three part that solar heat-collection plate 15 forms.
In described LNG pressurization, gasification, regulator: LNG storage tank 1 with LNG compression pump 2, LNG compression pump 2 is with flow control valve 6, LNG heat exchanger 3 and LNG heat exchanger 3 and adopt thermal insulation pipe to be connected between flow control valve 6 with water bath type vaporizer 4 all successively, adopt normal temperature pipe to be connected between water bath type vaporizer 4 with pressure regulator valve 5, pressure regulator valve 5 connects downstream gas ductwork.
In described steam power power generation cycle device: LNG heat exchanger 3 and cycle fluid liquid container 7, working medium compression pump 8 adopt thermal insulation pipe to be connected successively, working medium compression pump 8 and heat storage and exchange water tank 9, turbine power generation unit 10, LNG heat exchanger 3 adopt normal temperature pipe to be connected successively.
In described air source heat pump auxiliary type solar heat water preparation apparatus: heat storage and exchange water tank 9 and throttle valve 11, vaporizer 12, compressor 13 all adopt thermal insulation pipe to be linked in sequence formation circulation loop; Heat storage and exchange water tank 9 and solar water circulating water pump 14 and solar heat-collection plate 15 all adopt thermal insulation pipe to be linked in sequence formation circulation loop.
The utility model has the advantage of: LNG cold energy generation technology and air source heat pump auxiliary type solar water heater technology combine by (1), utilize hot water prepared by air source heat pump auxiliary type solar water heater as the high temperature heat source of power generation cycle, utilize LNG cold energy as the low temperature cold source of power generation cycle, three kinds of power-saving technologies can be had complementary advantages, thus effectively improve power benefit; (2) solar energy resources of China's abundant is made full use of; (3) make full use of solar heat resource, but not exclusively rely on solar energy resources, when solar energy resources is by limited time, air source heat pump can be utilized to maintain the stable of power generation cycle high temperature heat source temperature; (4) when power generation cycle economic benefit is undesirable, can circulate by steam off dynamic power, LNG directly can enter in water bath type vaporizer and send into downstream gas ductwork after heating and gasifying, makes the impact of the situation of not opening by steam power power generation cycle with gas of downstream gas user.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of electricity generating device described in the utility model.
In figure: 1-LNG storage tank, 2-LNG compression pump, 3-LNG heat exchanger, 4-water bath type vaporizer, 5-pressure regulator valve, 6-flow control valve, 7-cycle fluid liquid container, 8-cycle fluid compression pump, 9-heat storage and exchange water tank, 10-turbine power generation unit, 11-throttle valve, 12-vaporizer, 13-compressor, 14-solar water circulating water pump, 15-solar heat-collection plate.
Embodiment
As shown in Figure 1: the utility model provides a kind of heat pump auxiliary type solar energy and LNG cold energy combined power generation device, it is characterized in that: device is primarily of LNG pressurization, gasification, regulator, steam power power generation cycle device, air source heat pump auxiliary type solar heat water preparation apparatus three part composition.
As shown in Figure 1: after the LNG of-159 DEG C goes out liquid container, after LNG pump pressurization, become the low temperature liquid rock gas that pressure is 2.0 ~ 3.0MPa, temperature is-159 DEG C, the cryogenic natural gas that pressure is 2.0 ~ 3.0MPa, temperature is-32 ~-26 DEG C is become after entering LNG heat exchanger and the heat exchange of steam power power generation cycle working medium subsequently, enter subsequently water bath type vaporizer continue heat up gasification and through pressure regulator valve pressure regulation, after the delivery temperature reaching regulation and pressure, enter downstream gas ductwork; If solar energy resources is limited and make economic benefits of power generating low time, can steam off dynamic power circulation, now LNG through Flux Valve Control, can directly enter water bath type vaporizer heating and gasifying, then after pressure regulation, send into downstream gas ductwork.
As shown in Figure 1: in steam power power generation cycle device, after the pressurization of cycle fluid compression pump, becoming pressure after power generation cycle working medium (propylene) goes out liquid container is 1.65 ~ 1.84MPa, temperature is the liquid refrigerant of-22 ~-16 DEG C, then in heat storage and exchange water tank with the hot water heat exchange prepared by air source heat pump auxiliary type solar water heater after, becoming pressure is 1.65 ~ 1.84MPa, temperature is the gaseous working medium of 40 ~ 45 DEG C, enter subsequently turbine power generation unit He total in pushing turbine rotate drive electrical generators generating after to become pressure be 0.23 ~ 0.29MPa, temperature is the gaseous working medium of-22 ~-16 DEG C, finally get back to LNG heat exchanger and LNG continues heat exchange, becoming pressure is 0.23 ~ 0.29MPa, temperature is that the low temperature liquid working medium of-27 ~-21 DEG C continues circulation.
As shown in Figure 1, in air source heat pump auxiliary type solar water preparation circulation, circulating hot water temperature is 45 ~ 50 DEG C, its control strategy is: when solar energy enriches, only can open solar water preparation circulation, when solar energy resources is by limited time, solar water preparation circulation can be opened and air source heat pump heats circulation simultaneously, when solar energy resources wretched insufficiency, can only open air source heat pump and heat circulation.
The utility model in use, should according to the heating capacity of the solar radiation intensity of locality, solar energy heating board type, air source heat pump, factor such as LNG gasification scale and vaporization time etc., and comprehensive analysis and calculation determines solar heat-collection plate area; And set the Process operating parameters of relevant device, and carry out the heat insulation work of low-temperature electricity-generating cycle fluid pipeline and high-temperature-hot-water pipeline.
The above, it is only the operational process of the utility model device, not any pro forma restriction is done to the utility model, any those skilled in the art, the device technique content of above-mentioned announcement is utilized to make any simple amendment, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (1)
1. a heat pump auxiliary type solar energy and LNG cold energy combined power generation device, it is characterized in that comprising by LNG storage tank (1), LNG compression pump (2), LNG heat exchanger (3), water bath type vaporizer (4), the LNG pressurization that pressure regulator valve (5) and flow control valve (6) form, gasification, regulator, by cycle fluid liquid container (7), cycle fluid compression pump (8), heat storage and exchange water tank (9), the steam power power generation cycle device that turbine power generation unit (10) forms, and by heat storage and exchange water tank (9), throttle valve (11), vaporizer (12), compressor (13), solar water circulating water pump (14), air source heat pump auxiliary type solar heat water preparation apparatus three part that solar heat-collection plate (15) forms, in described LNG pressurization, gasification, regulator, LNG storage tank (1) with LNG compression pump (2), LNG compression pump (2) is with flow control valve (6), LNG heat exchanger (3) and LNG heat exchanger (3) and adopt thermal insulation pipe to be connected between flow control valve (6) with water bath type vaporizer (4) all successively, adopt normal temperature pipe to be connected between water bath type vaporizer (4) with pressure regulator valve (5), pressure regulator valve (5) connects downstream gas ductwork, in described steam power power generation cycle device, LNG heat exchanger (3) adopts thermal insulation pipe to be connected with cycle fluid liquid container (7), working medium compression pump (8) successively, and working medium compression pump (8) adopts normal temperature pipe to be connected with heat storage and exchange water tank (9), turbine power generation unit (10), LNG heat exchanger (3) successively, in described air source heat pump auxiliary type solar heat water preparation apparatus, heat storage and exchange water tank (9) and throttle valve (11), vaporizer (12), compressor (13) all adopt thermal insulation pipe to be linked in sequence formation circulation loop, and heat storage and exchange water tank (9) and solar water circulating water pump (14) and solar heat-collection plate (15) all adopt thermal insulation pipe to be linked in sequence formation circulation loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520706516.8U CN205135737U (en) | 2015-09-14 | 2015-09-14 | Power generation facility is united with LNG cold energy to heat pump auxiliary type solar energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520706516.8U CN205135737U (en) | 2015-09-14 | 2015-09-14 | Power generation facility is united with LNG cold energy to heat pump auxiliary type solar energy |
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| Publication Number | Publication Date |
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| CN205135737U true CN205135737U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520706516.8U Expired - Fee Related CN205135737U (en) | 2015-09-14 | 2015-09-14 | Power generation facility is united with LNG cold energy to heat pump auxiliary type solar energy |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224768A (en) * | 2016-08-25 | 2016-12-14 | 广西大学 | A kind of liquefied natural gas vaporization cold energy reclamation device |
| CN106352654A (en) * | 2016-08-25 | 2017-01-25 | 广西大学 | Liquid nitrogen vaporization refrigeration recovery device |
| CN107366832A (en) * | 2017-07-25 | 2017-11-21 | 广州华丰能源科技有限公司 | A kind of LNG satellite stations cold energy generation skid makeup is put |
| CN109339884A (en) * | 2018-11-01 | 2019-02-15 | 西南石油大学 | A kind of LNG satellite station cold energy efficiently utilizes technique |
| CN109356681A (en) * | 2018-11-01 | 2019-02-19 | 西南石油大学 | A kind of LNG satellite station combined power and cooling technique |
| CN113701049A (en) * | 2021-09-09 | 2021-11-26 | 液空厚普氢能源装备有限公司 | Intelligent cold energy recovery control system and control method for liquid hydrogen refueling station |
| CN116181596A (en) * | 2023-04-27 | 2023-05-30 | 山东省科学院能源研究所 | Ocean temperature difference energy power generation system with auxiliary heat of air source heat pump |
-
2015
- 2015-09-14 CN CN201520706516.8U patent/CN205135737U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224768A (en) * | 2016-08-25 | 2016-12-14 | 广西大学 | A kind of liquefied natural gas vaporization cold energy reclamation device |
| CN106352654A (en) * | 2016-08-25 | 2017-01-25 | 广西大学 | Liquid nitrogen vaporization refrigeration recovery device |
| CN106224768B (en) * | 2016-08-25 | 2018-10-23 | 广西大学 | A kind of liquefied natural gas vaporization cold energy reclamation device |
| CN106352654B (en) * | 2016-08-25 | 2019-05-14 | 广西大学 | A kind of vaporization cold amount of liquid nitrogen recyclable device |
| CN107366832A (en) * | 2017-07-25 | 2017-11-21 | 广州华丰能源科技有限公司 | A kind of LNG satellite stations cold energy generation skid makeup is put |
| CN109339884A (en) * | 2018-11-01 | 2019-02-15 | 西南石油大学 | A kind of LNG satellite station cold energy efficiently utilizes technique |
| CN109356681A (en) * | 2018-11-01 | 2019-02-19 | 西南石油大学 | A kind of LNG satellite station combined power and cooling technique |
| CN113701049A (en) * | 2021-09-09 | 2021-11-26 | 液空厚普氢能源装备有限公司 | Intelligent cold energy recovery control system and control method for liquid hydrogen refueling station |
| CN116181596A (en) * | 2023-04-27 | 2023-05-30 | 山东省科学院能源研究所 | Ocean temperature difference energy power generation system with auxiliary heat of air source heat pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20160914 |