CN204677381U - Groove type solar photo-thermal and rock gas combined generating system - Google Patents
Groove type solar photo-thermal and rock gas combined generating system Download PDFInfo
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- CN204677381U CN204677381U CN201520397086.6U CN201520397086U CN204677381U CN 204677381 U CN204677381 U CN 204677381U CN 201520397086 U CN201520397086 U CN 201520397086U CN 204677381 U CN204677381 U CN 204677381U
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- heat boiler
- exhaust heat
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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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
The utility model discloses a kind of groove type solar photo-thermal and rock gas combined generating system, comprise gas turbine generating system, exhaust heat boiler, groove type solar photothermal deformation system, steam turbine.Steam turbine is connected with the second generator, and gas turbine purging system is connected with exhaust-heat boiler flue gas and afterburning system, and the main-steam outlet of exhaust heat boiler boiler circuit and the intake system of steam turbine are connected, and the moisturizing of whole system directly enters vapour condenser.Natural gas power system and groove type solar solar-thermal generating system organically combine by the utility model, jointly generate electricity, meanwhile, and also can external steam supply as required.This combined generating system can adjust electric load, to meet the demand of power supply, alleviate power supply pressure, reduce the consumption of combustion gas, solve again the problem of not easily energy storage at groove type solar solar-thermal generating system night, and, reduce cost to drop into, meanwhile, this power generation system can also be run throughout the year continuously, thus improves the whole economic efficiency of project.
Description
Technical field
The utility model relates to power generation system, particularly relates to a kind of groove type solar photo-thermal and rock gas combined generating system.
Background technique
Natural gas generating is one of the most stable distributed energy supply mode, and outstanding cold, heat and electricity triple supply power generation system can bring up to more than 95% fuel gas generation efficiency.From World Developed Countries and some country in Southeast Asia's Experience in Developments, development distributed gas power generation system is the only way realizing energy-saving and emission-reduction and energy supply sustainable development, there is efficient, energy-conservation, reduction of discharging, environmental protection, raising energy supply Security, electric power and gas supply peak load shifting and promote the advantage that recycling economy development etc. is numerous, being the irreversible trend of modern energy field development, is energy supply mode most with prospects.
But natural gas resource is the non-renewable energy belonging to easy consumption after all, and natural gas resource neither be inexhaustible, consume so should save to use to reduce as far as possible.This just needs to develop as far as possible and use some reproducible clean energy resourcies be used as substituting of rock gas or supplement, as solar energy, wind energy, geothermal power etc.
Solar energy is a kind of inexhaustible best renewable energy sources that spreads all over the world, but the utilization of solar energy resources also has it to be tied part, wherein maximum is exactly that solar energy only has daytime fine day to utilize by about part, cloudy day and cannot utilize evening, this just causes the discontinuity of using energy source.In order to realize the uninterruptable power generation of solar energy, then need to spend huge financial resources to do the energy-storage system of gigantic project, the equipment of not only energy storage and material are very expensive, but also have the various restriction not easily realized, and realize difficulty larger.As solar groove type power generation system, need to utilize conduction oil as intermediate cycle medium, also use fuse salt as energy-accumulating medium, virtually add two circulatory systems and equipment, system complex, engineering is huge, material expensive, and power consumption is large more.
Model utility content
The purpose of this utility model is, a kind of groove type solar photo-thermal and rock gas combined generating system are provided, natural gas power system and groove type solar solar-thermal generating system are combined, the consumption of natural gas resource can be reduced, cut operating costs, simultaneously, renewable energy solar energy can be effectively utilized generate electricity, and whole system uninterruptable power generation energy supply is ensured when groove type solar solar-thermal generating system is without the need to arranging costly energy-storage system, with the carbonated drink of reducing every day Unit Commitment bringing and heat loss, extension device working life, improve entire system operational efficiency.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of groove type solar photo-thermal and rock gas combined generating system, comprise gas power generation system, exhaust heat boiler, groove type solar photothermal deformation system, steam turbine and the second generator; Steam turbine is connected with the second generator, gas power generation system is connected with the flue gas system of exhaust heat boiler, the boiler circuit of steam turbine is connected with the boiler circuit of exhaust heat boiler, and groove type solar photothermal deformation system is connected with steam turbine through steam/water circulating passage and exhaust heat boiler.Wherein, groove type solar photothermal deformation system adopts water as cycle fluid, and the low temperature that can solve conduction oil temperature limiting and fuse salt working medium solidifies brought circulation and the problem of storage.Further, aqueous phase is lower for cost conduction oil and fuse salt, and more easily obtain, system more simplifies.
In aforesaid groove type solar photo-thermal and rock gas combined generating system, gas power generation system comprises air compressor, firing chamber, gas turbine and the first generator, air compressor, firing chamber are communicated with successively with gas turbine, gas turbine is connected with the first generator, and gas turbine is connected with the flue gas system of exhaust heat boiler.
In aforesaid groove type solar photo-thermal and rock gas combined generating system, solar energy optical-thermal converting system is slot type, and groove type solar solar-thermal generating system adopts water to do cycle fluid, cancels heat-conducting oil system, does not establish energy-storage system.
In aforesaid groove type solar photo-thermal and rock gas combined generating system, also comprise exhaust heat boiler afterburning system, exhaust heat boiler afterburning system is connected with exhaust heat boiler.Afterburning system is used for, when the sun is not enough or do not have illumination, adopting the mode of rock gas afterburning to meet the demand of cool and thermal power load.
In aforesaid groove type solar photo-thermal and rock gas combined generating system, also comprise exhaust heat boiler afterbody water heating system, exhaust heat boiler afterbody water heating system is positioned at the flue end of exhaust heat boiler.The waste heat of exhaust heat boiler tail flue gas can be utilized by arranging exhaust heat boiler afterbody water heating system fully, the hot water of generation being used for supplying user as domestic hot-water, and exhaust heat boiler temperature of exhaust fume can be reduced.
In aforesaid groove type solar photo-thermal and rock gas combined generating system, exhaust heat boiler afterburning system, steam/water circulating passage and exhaust heat boiler afterbody water heating system are arranged successively along the smoke evacuation direction of exhaust heat boiler.By the upstream of steam/water circulating channel setting in exhaust heat boiler afterbody water heating system, in order to can by heat centralizedly supply to steam/water circulating passage, and the waste heat of exhaust heat boiler afterbody water heating system just in order to utilize exhaust heat boiler afterbody to discharge fume more fully.
In aforesaid groove type solar photo-thermal and rock gas combined generating system, exhaust heat boiler is provided with drum, and steam/water circulating passage is connected with drum.Its effect produces steam in exhaust heat boiler.
In aforesaid groove type solar photo-thermal and rock gas combined generating system, also comprise oxygen-eliminating device, oxygen-eliminating device is connected with steam/water circulating passage, and its effect is the oxygen in removing working medium, prevent equipment and the oxidized corrosion of pipeline, the working life of extension device and pipe-line system.Meanwhile, heated feed water.
In aforesaid groove type solar photo-thermal and rock gas combined generating system, also comprise vapour condenser, vapour condenser is connected with steam turbine, and vapour condenser is positioned at the downstream of steam turbine.Its effect reduces steam turbine exhaust pressure, improves turbine discharge vacuum, reclaims working medium, ensures the operation normally and efficiently of steam turbine.
In aforesaid groove type solar photo-thermal and rock gas combined generating system, also comprise gland heater, gland heater is connected with the shaft seal pump-line of steam turbine.Its effect is the heat that recovery turbine shaft seal is bled, and rises the temperature of water of condensation in order to heat-setting water extraction.
Compared with prior art, natural gas power system and groove type solar solar-thermal generating system organically combine by the utility model, realize power supply and heat supply continuously, two kinds of energy can be had complementary advantages, and learn from other's strong points to offset one's weaknesses, run with making the safer economic stability of system, eliminate intercycle system simultaneously, and solve the problem of not easily energy storage at groove type solar solar-thermal generating system night, greatly reduce the investment of energy storage device, reduce input cost, simplify system.This power generation system can continuous high-efficient stable operation throughout the year, thus greatly improve the whole economic efficiency of project.
Groove type solar and rock gas join together to carry out generating electricity and heat supply by the utility model, just compensate for the respective deficiency that this two spike-type cultivars utilizes, to make two spike-type cultivars have complementary advantages, learn from other's strong points to offset one's weaknesses, realize the energy and combine the most perfectly combining of utilization.Groove type solar power generation system of the present utility model adopts water to be cycle fluid, and without the need to intercycle system and energy-storage system, system is simple, and power consumption is low, and working medium is very easy to obtain.
Usual daytime is the power consumption larger period of relatively concentrating, now, the time that solar energy is more sufficient just, so can make boiler feed water enter solar heating system more, with solar energy substituting or supplementing as rock gas energy, reduce the consumption of rock gas as far as possible.When there is no solar energy or solar energy deficiency to evening or cloudy day, then by the control of system valve, feedwater can be switched to exhaust heat boiler boiler circuit gradually, the deficiency of solar energy is made up with the waste heat of gas turbine and the calory burning of afterburning rock gas, realize uninterruptable power generation and heat supply, to ensure continuously energy supply demand.
Very importantly, this solar energy is combined with rock gas, under the prerequisite that can ensure whole day uninterruptable power generation energy supply, fully phase out the Heat-conduction oil circulation system in groove type solar power generation system and fuse salt energy storage two Iarge-scale system, working medium used is also very simple, only uses a kind of aqueous medium the most easily obtained.This solar energy is combined with rock gas, not only greatly simplifie groove type solar power generation system, save engineering investment cost, shorten the engineering construction cycle, decrease the loss of start and stop every day working medium and heat, decrease the power consumption of intercycle system and energy-storage system, extend service life of equipment, save operation and maintenance cost, improve overall operation efficiency, also considerably reduce the consumption of natural gas resource, reduce production and operation cost, the economic benefit improving whole project is extremely important.Meanwhile, this solar energy is combined with rock gas and really achieves energy-saving and emission-reduction, protects environment.Be achieve many things at one stroke, once invest lifelong benefit.
Accompanying drawing explanation
Fig. 1 is the system schematic of a kind of embodiment of the present utility model.
Reference character: 1-air compressor, 2-firing chamber, 3-gas turbine, 4-first generator, 5-exhaust heat boiler afterburning system, 6-steam/water circulating passage, 7-groove type solar photothermal deformation system, 8-drum, 9-exhaust heat boiler, 10-oxygen-eliminating device, 11-exhaust heat boiler afterbody water heating system, 12-gland heater, 13-vapour condenser, 14-second generator, 15-steam turbine, 16-gas power generation system.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment
Embodiment 1 of the present utility model: as shown in Figure 1, a kind of groove type solar photo-thermal and rock gas combined generating system, comprise gas power generation system 16, exhaust heat boiler 9, groove type solar photothermal deformation system 7, steam turbine 15 and the second generator 14; Steam turbine 15 is connected with the second generator 14, gas power generation system 16 is connected with the flue gas system of exhaust heat boiler 9, the boiler circuit of steam turbine 15 is connected with the boiler circuit of exhaust heat boiler 9, and groove type solar photothermal deformation system 7 is connected with steam turbine 15 through steam/water circulating passage 6 and exhaust heat boiler 9.Gas power generation system 16 comprises air compressor 1, firing chamber 2, gas turbine 3 and the first generator 4, air compressor 1, firing chamber 2 are communicated with successively with gas turbine 3, gas turbine 3 is connected with the first generator 4, and gas turbine 3 is connected with the flue gas system of exhaust heat boiler 9.
Also comprise exhaust heat boiler afterburning system 5, exhaust heat boiler afterburning system 5 is connected with exhaust heat boiler 9.
Also comprise exhaust heat boiler afterbody water heating system 11, exhaust heat boiler afterbody water heating system 11 is positioned at the flue end of exhaust heat boiler 9.
Exhaust heat boiler afterburning system 5, steam/water circulating passage 6 and exhaust heat boiler afterbody water heating system 11 are arranged successively along the smoke evacuation direction of exhaust heat boiler 9.
Exhaust heat boiler 9 is provided with drum 8, and steam/water circulating passage 6 is connected with drum 8.
Also comprise oxygen-eliminating device 10, oxygen-eliminating device 10 is connected with steam/water circulating passage 6.
Also comprise vapour condenser 13, vapour condenser 13 is connected with steam turbine 15, and vapour condenser 13 is positioned at the downstream of steam turbine 15.
Also comprise gland heater 12, gland heater 12 is connected with the shaft seal pump-line of steam turbine 15.
The working principle of a kind of embodiment of the present utility model: the working-medium water of groove type solar power generation system is heated to preset temperature value in groove type solar photothermal deformation system 7, enter exhaust heat boiler 9 heat temperature raising, evaporation again, overheatedly become superheated vapor, then enter steam turbine 15 and generate electricity.Meanwhile, natural gas straight taps into and generates electricity into gas turbine 3, and the heat smoke of about 400 ~ 500 DEG C of discharging after gas turbine 3 generates electricity enters exhaust heat boiler 9 again, and water is heated into superheated vapor, and superheated vapor enters steam turbine 15 and generates electricity.When daytime, solar irradiation was more sufficient, as often as possible utilize groove type solar photothermal deformation system 7 that working medium feedwater is heated to preset temperature, then the drum 8 of exhaust heat boiler 9 is entered, this working medium mixes with the hot water produced in exhaust heat boiler 9 of discharging fume from gas turbine 3, then heated up further in exhaust heat boiler 9 together, evaporation, overheated after enter steam turbine 15 and generate electricity.After the water of condensation that vapour condenser 13 produces is boosted by condensate pump together with moisturizing, heat up through gland heater 12 and enter the heating of exhaust heat boiler 9 economizer, then enter the oxygen-eliminating device 10 that exhaust heat boiler 9 carries and carry out deoxygenation.Low pressure feed water after deoxygenation is divided into two-way: exhaust heat boiler 9 feed water pump of leading up to boosts, and the heating surface entering exhaust heat boiler 9 inside continues heat temperature raising, then enters the drum 8 of exhaust heat boiler 9; Solar energy system feed water pump of separately leading up to boosts, and enters solar energy optical-thermal converting system and continues heat temperature raising, then also enter the drum 8 of exhaust heat boiler 9, and the feedwater after two-part heating mixes in drum 8.When morning, at dusk, cloudy solar illuminating inadequate time, can will part feedwater down to self water supply system of exhaust heat boiler 9, the not enough heating part of solar energy, is supplied by exhaust heat boiler afterburning system 5.When not having solar energy heating completely night, solar energy optical-thermal water supply system of can stopping transport, all adopts gas power generation system 16 and gas complementary combustion system 5 to generate electricity, completely can send out, also can carry out sub load generating according to need for electricity.In order to make full use of the smoke discharging residual heat of exhaust heat boiler 9, reducing temperature of exhaust fume, being provided with back-end surfaces at the afterbody of exhaust heat boiler, produce hot water, can be used for providing domestic hot-water.
Claims (8)
1. a groove type solar photo-thermal and rock gas combined generating system, it is characterized in that, comprise gas power generation system (16), exhaust heat boiler (9), groove type solar photothermal deformation system (7), steam turbine (15) and the second generator (14), steam turbine (15) is connected with the second generator (14), gas power generation system (16) is connected with the flue gas system of exhaust heat boiler (9), the boiler circuit of steam turbine (15) is connected with the boiler circuit of exhaust heat boiler (9), groove type solar photothermal deformation system (7) is connected with steam turbine (15) through steam/water circulating passage (6) and exhaust heat boiler (9), gas power generation system (16) comprises air compressor (1), firing chamber (2), gas turbine (3) and the first generator (4), air compressor (1), firing chamber (2) is communicated with successively with gas turbine (3), gas turbine (3) is connected with the first generator (4), gas turbine (3) is connected with the flue gas system of exhaust heat boiler (9).
2. groove type solar photo-thermal according to claim 1 and rock gas combined generating system, it is characterized in that, also comprise exhaust heat boiler afterburning system (5), exhaust heat boiler afterburning system (5) is connected with exhaust heat boiler (9).
3. groove type solar photo-thermal according to claim 2 and rock gas combined generating system, it is characterized in that, also comprise exhaust heat boiler afterbody water heating system (11), exhaust heat boiler afterbody water heating system (11) is positioned at the flue end of exhaust heat boiler (9).
4. groove type solar photo-thermal according to claim 3 and rock gas combined generating system, it is characterized in that, exhaust heat boiler afterburning system (5), steam/water circulating passage (6) and exhaust heat boiler afterbody water heating system (11) are arranged successively along the smoke evacuation direction of exhaust heat boiler (9).
5. groove type solar photo-thermal according to claim 4 and rock gas combined generating system, it is characterized in that, exhaust heat boiler (9) is provided with drum (8), and steam/water circulating passage (6) is connected with drum (8).
6. groove type solar photo-thermal according to claim 5 and rock gas combined generating system, is characterized in that, also comprises oxygen-eliminating device (10), and oxygen-eliminating device (10) is connected with steam/water circulating passage (6).
7. groove type solar photo-thermal according to claim 6 and rock gas combined generating system, it is characterized in that, also comprise vapour condenser (13), vapour condenser (13) is connected with steam turbine (15), and vapour condenser (13) is positioned at the downstream of steam turbine (15).
8. groove type solar photo-thermal according to claim 7 and rock gas combined generating system, it is characterized in that, also comprise gland heater (12), gland heater (12) is connected with the shaft seal pump-line of steam turbine (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520397086.6U CN204677381U (en) | 2015-06-10 | 2015-06-10 | Groove type solar photo-thermal and rock gas combined generating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520397086.6U CN204677381U (en) | 2015-06-10 | 2015-06-10 | Groove type solar photo-thermal and rock gas combined generating system |
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| CN204677381U true CN204677381U (en) | 2015-09-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912757A (en) * | 2015-06-10 | 2015-09-16 | 中国华电工程(集团)有限公司 | Trough-type solar thermal and natural gas combined power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912757A (en) * | 2015-06-10 | 2015-09-16 | 中国华电工程(集团)有限公司 | Trough-type solar thermal and natural gas combined power generation system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100160 Beijing, Fengtai District Automobile Museum Road, No. 6, Ying Kun century A block, floor 6 Patentee after: HUADIAN DISTRIBUTED ENERGY ENGINEERING & TECHNOLOGY Co.,Ltd. Patentee after: CHINA HUADIAN ENGINEERING Co.,Ltd. Address before: 100160 Beijing, Fengtai District Automobile Museum Road, No. 6, Ying Kun century A block, floor 6 Patentee before: HUADIAN DISTRIBUTED ENERGY ENGINEERING & TECHNOLOGY Co.,Ltd. Patentee before: China Huadian Engineering (Group) Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: 100160 Beijing, Fengtai District Automobile Museum Road, No. 6, Ying Kun century A block, floor 6 Patentee after: HUADIAN DISTRIBUTED ENERGY ENGINEERING & TECHNOLOGY Co.,Ltd. Patentee after: China Huadian Engineering (Group) Co.,Ltd. Address before: 100160 Beijing, Fengtai District Automobile Museum Road, No. 6, Ying Kun century A block, floor 11 Patentee before: China Huadian Engineering (Group) Co.,Ltd. Patentee before: HUADIAN DISTRIBUTED ENERGY ENGINEERING & TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |