CN105508158A - Natural gas distributed energy system coupled with solar energy - Google Patents
Natural gas distributed energy system coupled with solar energy Download PDFInfo
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- CN105508158A CN105508158A CN201511001532.8A CN201511001532A CN105508158A CN 105508158 A CN105508158 A CN 105508158A CN 201511001532 A CN201511001532 A CN 201511001532A CN 105508158 A CN105508158 A CN 105508158A
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title abstract description 41
- 239000003345 natural gas Substances 0.000 title abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 116
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 238000005338 heat storage Methods 0.000 claims description 31
- 239000011435 rock Substances 0.000 claims description 26
- 238000010304 firing Methods 0.000 claims description 18
- 239000000567 combustion gas Substances 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 18
- 239000002918 waste heat Substances 0.000 abstract 6
- 230000008901 benefit Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
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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
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
Abstract
A solar-coupled natural gas distributed energy system, comprising: the system comprises a gas turbine generator set, a waste heat utilization device, a solar heat collection system and the like, wherein natural gas sequentially passes through two stages of natural gas heaters and then enters a combustion chamber; air enters a combustion chamber after passing through an air compressor, and the air and natural gas enter a gas turbine after being combusted in the combustion chamber; the exhaust of the gas turbine enters a waste heat utilization device, and the exhaust of the waste heat utilization device enters the atmosphere; hot water generated by the solar heat collection system is used as a heat source of the first-stage natural gas heater, and hot water generated by the waste heat utilization device is used as a heat source of the second-stage natural gas heater; heating natural gas to rated temperature in the first-stage heater preferentially, and heating the insufficient part in the second-stage heater; the hot water demand of a hot water user is preferentially met by the waste heat utilization device, and the insufficient part is provided by the solar heat collection system; the steam demand of the steam user is generated and satisfied by the waste heat utilization device.
Description
Technical field:
The invention belongs to technical field of energy utilization, be specifically related to a kind of NG Distributed Energy System of coupled solar.
Background technique:
Distributed energy resource system is the energy supplying system for the centralized energy-provision way of tradition, the direct user oriented of distributed energy resource system, produce on the spot and supplying energy by the demand of user, be have several functions, the transformation of energy that can meet multiple target utilizes system.Compared with the centralized energy-provision way of tradition, distributed energy, close to user side, does not need to build bulk power grid, large heat supply network, avoids the long-distance sand transport of the energy, can save construction investment, and decrease line loss and operating cost.Distributed energy can have the various ways such as distributed photovoltaic, distributed wind energy, NG Distributed Energy System (also claiming rock gas cold, heat and power triple supply system).NG Distributed Energy System is made up of equipment such as gas turbine, exhaust heat boiler, steam turbine, absorption heat pump and refrigerators, it has both the various energy resources supplying functionals such as generating, heat supply, refrigeration, effectively can realize the cascade utilization of the energy, reach more than the comprehensive utilization of energy rate of 70%.Compare other distributed energy resource systems, NG Distributed Energy System has Energy transmission and stablizes and various advantage, is particularly suitable for industrial park and the architectural complex with various energy resources demand (electric power, hot water, cold water, steam etc.).
Gas turbine is the key equipment of NG Distributed Energy System, is generally and meets the requirement of gas turbine to gas fuel quality, can arrange voltage regulating station and preposition pre-processing module between rock gas outside network and gas turbine.Voltage regulating station mainly carries out coarse filtration and pressure regulation to the rock gas entering factory, and preposition pre-processing module mainly comprises rock gas essence and filters and heating unit.Natural gas temperature is the key parameter of fuel quality, the safety and efficiently affecting NG Distributed Energy System runs, mainly contain two reasons: one is due to joule-Thompson effect, rock gas can be lowered the temperature in voltage regulating station pressure reduction, easy generation condensation water or hydrocarbon is liquefied, can damage be caused to conveying equipment or pipeline external surface be frozen, therefore gas turbine manufacturer all can require the fuel inlet temperature of unit within the specific limits, and the specific requirement of different type of machines is different, such as GEPG6581B unit requires that fuel inlet temperature at least exceedes gas dew point 28 DEG C, but maximum temperature is no more than 125 DEG C, GEPG9171E requires that fuel inlet temperature at least exceedes gas dew point 28 DEG C, but maximum temperature is no more than 70 DEG C, two is that the thermal efficiency of gas turbine and the dynamic characteristic of firing chamber affect very large by natural gas temperature, therefore rock gas necessary precise control of temperature before entering into the combustion chamber, such as GE adopts the 9F type of DLN2.0+ combustion system (typical in 9F.03,9F.05 etc.), its requirement adopted electric heater to carry out heated by natural gas before set grid-connection, when dropping into rock gas performance heater after set grid-connection, natural gas temperature is finally made to reach specified Operational Limits 185 DEG C.
Existing heated by natural gas technology mainly adopts the modes such as electric heating, heating water bath, extracted steam from turbine heating, heat boiler outlet hot water heating.This several mode of heating is the low use of high energy, finally all can consume high-grade fossil energy, reduces the energy utilization rate of NG Distributed Energy System or association circulating power generation system.
Solar energy is a kind of clean, free of contamination renewable energy sources, and it develops the important component part being known as energy strategy by countries in the world.Solar thermal utilization is one of major way of Solar use.According to the temperature of working medium, solar thermal utilization can be divided into low temperature, middle temperature, high temperature three types.Because solar radiation has dispersed strong, the feature that energy flux density is low, applicable output obtains middle low-temperature heat source, and therefore, low-grade utility is current solar energy low cost, most important field is applied in scale.Solar energy heating technology is in solar energy, the one of low-grade utility technology, mainly comprises vacuum tube heat collection function and flat heat collecting two kinds of modes, its technology maturation and energy-saving effect is remarkable, has now been widely used in China resident hot water supply field.But due to solar energy exist self poor continuity, be difficult to ensure that reliable thermal source exports, if for district heating, regenerative system will be very huge, and due to exported thermal source grade lower, be difficult to acquisition low cost efficiency utilization.
Summary of the invention:
The object of the invention is to the deficiency overcoming prior art existence, provide a kind of NG Distributed Energy System of coupled solar.This system with can cascade utilization for principle, low-temperature water heating in being produced by solar thermal collector, rock gas needed for heating gas turbine, low grade heat energy is made to enter high temperature brayton cycle, improve the application energy level of middle low-temperature solar energy, and user's lateral terminal thermal load demands is met together with residual heat using device, reach the mutual supplement with each other's advantages of renewable energy sources and the Distribution of Natural formula energy, obtain stable solar thermal utilization, reduce the consumption of fossil energy, improve the Economy of distributed energy resource system.
For achieving the above object, the present invention realizes by the following technical solutions:
A NG Distributed Energy System for coupled solar, comprises Gas Turbine Generating Units, residual heat using device, solar thermal collection system, heat storage tank, hot water user, steam user and gas heater; Wherein,
Gas Turbine Generating Units is provided with gas inlet, air inlet and relief opening, gas heater is provided with rock gas gateway, the outlet of gas heater is connected to the gas inlet of Gas Turbine Generating Units, the relief opening of Gas Turbine Generating Units is connected to the exhaust entrance of residual heat using device, and residual heat using device is provided with exhaust emptying outlet;
Form hot water cyclesystem between solar thermal collection system and heat storage tank, between heat storage tank and gas heater, between heat storage tank and hot water user, all form hot water cyclesystem; Form hot water cyclesystem between hot water user and residual heat using device, form hot water cyclesystem between residual heat using device and gas heater, and residual heat using device is provided with steam (vapor) outlet, this steam (vapor) outlet is connected to steam user.
The present invention further improves and is, Gas Turbine Generating Units comprise connect successively gas compressor, firing chamber, combustion gas turbine and generator, wherein, gas compressor is provided with air inlet, firing chamber is provided with gas inlet, combustion gas turbine is provided with relief opening, and combustion gas turbine is for driving electrical power generators.
The present invention further improves and is, gas heater comprises the right hot-air heater of the first order connected successively and second level gas heater, form hot water cyclesystem between heat storage tank and the right hot-air heater of the first order, between residual heat using device and second level gas heater, form hot water cyclesystem.
The present invention further improves and is, residual heat using device is the combination of exhaust heat boiler or exhaust heat boiler and turbine LP rotors.
The present invention further improves and is, solar thermal collection system adopts vacuum tube or plate type solar collecting system.
The present invention further improves and is, the hot water cyclesystem pipeline formed between heat storage tank and gas heater is provided with the first valve, the hot water cyclesystem pipeline all formed between heat storage tank and hot water user is provided with the second valve and the 3rd valve, the hot water cyclesystem pipeline formed between hot water user and residual heat using device is provided with the 4th valve and the 5th valve, the hot water cyclesystem pipeline formed is provided with the 6th valve between residual heat using device and gas heater.
The present invention further improves and is, during work, rock gas enters firing chamber after gas heater; Air enters firing chamber after gas compressor, and air and rock gas enter combustion gas turbine after the combustion of firing chamber; Combustion gas turbine exhaust enters residual heat using device, and the exhaust of residual heat using device enters air; Solar thermal collection system produces hot water and enters heat storage tank, hot water is between heat storage tank and gas heater, between heat storage tank and hot water user, between hot water user and residual heat using device, circulate between residual heat using device and gas heater, and residual heat using device provides water vapor for steam user.
Relative to prior art.The invention has the beneficial effects as follows:
The distributed energy supply mode that the present invention adopts solar energy, rock gas is coupled, utilizes the feature of Distribution of Natural formula energy stable output, makes solar energy obtain stable utilization, solves independent solar energy energy supplying system persistency poor, the shortcoming that regenerative system is huge.
The present invention compares independent NG Distributed Energy System, and when obtaining identical electricity, heat (cold) is when exporting, and with renewable energy sources heat supply (cold), Substitute For Partial fossil energy consumes, and reaches the beneficial effect of energy-saving and emission-reduction.
The present invention adopts solar energy heating rock gas, the consumption of heated by natural gas unit fossil energy can be reduced, as adopted the domain type distributed energy resource system of GEPG6581B gas turbine and the non-reheating steam system of two pressure, raw natural gas heating unit adopts low-pressure coal saver outlet hot water, for heating agent, rock gas is heated to 125 DEG C from 25 DEG C, when to change by solar energy be thermal source to heating unit, systems generate electricity efficiency can improve about 0.1 percentage point, calculate by annual utilization hours 5000, rock gas about 70,000 side can be saved year.
The low grade heat energy that solar thermal collection system obtains by the present invention preferentially inputs the high temperature Bretton circulating generation of gas turbine, in improve, the application energy level of low-temperature solar energy, achieve utilizing across level of low temperature heat energy, improve the generating efficiency of distributed energy resource system, as adopted the domain type distributed energy resource system of GEPG6581B gas turbine and the non-reheating steam system of two pressure, can utilize solar energy that rock gas is heated to 125 DEG C from 25 DEG C, compare the operating mode that natural gas temperature is 25 DEG C, after heated by natural gas, systems generate electricity efficiency can improve 0.2 percentage point.
In sum, the energy-provision way that the present invention adopts solar energy and rock gas to be coupled, utilize the feature of Distribution of Natural formula energy stable output, make solar energy obtain stable utilization, solve the shortcoming that independent solar energy energy supplying system persistency is poor, regenerative system is huge; Compare independent NG Distributed Energy System, when obtaining identical electricity, heat (cold) is when exporting, and with renewable energy sources heat supply (cold), instead of the energy consumption of part fossil; With can cascade utilization for principle, in making, low-temperature solar energy obtain across level utilize, by solar energy heating rock gas, reduce the energy consumption of heated by natural gas unit, improve the generating efficiency of distributed energy resource system; Present invention achieves the mutual supplement with each other's advantages of renewable energy sources and fossil energy, there is double benefit that is energy-conservation and environmental protection.
Accompanying drawing illustrates:
Fig. 1 is the structured flowchart of the NG Distributed Energy System of a kind of coupled solar of the present invention.
In figure: 1, gas compressor; 2, firing chamber; 3, combustion gas turbine; 4, residual heat using device; 5, solar thermal collection system; 6, heat storage tank; 7, hot water user; 8, steam user; 9, first order gas heater; 10, second level gas heater; 11, generator; 101 ~ 106, first valve is to the 6th valve.
Embodiment:
Below in conjunction with drawings and Examples, the present invention will be described in detail:
As shown in Figure 1, the NG Distributed Energy System of a kind of coupled solar of the present invention, comprise: Gas Turbine Generating Units, residual heat using device 4, solar thermal collection system 5, heat storage tank 6, hot water user 7, steam user 8, first order gas heater 9, second level gas heater 10 and valve 101-106, Gas Turbine Generating Units comprise connect in turn gas compressor 1, firing chamber 2, combustion gas turbine 3 and generator 11; Wherein, rock gas enters firing chamber 2 after first order gas heater 9 and second level gas heater 10; Air enters firing chamber 2 after gas compressor 1, and air and rock gas enter combustion gas turbine 3 after the combustion of firing chamber 2; Combustion gas turbine 3 exhaust enters residual heat using device 4, and the exhaust of residual heat using device 4 enters air; Solar thermal collection system 5 produces hot water and enters heat storage tank 6, and heat storage tank 6 is connected with first order gas heater 9.Described hot water user 7 is at least connected with residual heat using device 4 with the 5th valve 105 by the 4th valve 104; Described hot water user 7 is at least connected with heat storage tank 6 with the 3rd valve 103 by the second valve 102; Described steam user 8 is connected with residual heat using device 4; Described second level gas heater 10 is at least connected with residual heat using device 4 by the 6th valve 106.
Described residual heat using device 4 can be separately the combination of exhaust heat boiler or exhaust heat boiler and turbine LP rotors.
The hot water that described first order gas heater 9 produces with solar thermal collector is for thermal source, and the hot water that described second level gas heater 10 produces with residual heat using device is for thermal source.Rock gas is preferentially heated to rated temperature in described first order gas heater 9, when the hot water that described solar thermal collection system 5 produces is not enough, makes rock gas be heated to rated temperature in second level gas heater 10 by regulating the 6th valve 106.
Described solar thermal collection system 5 adopts vacuum tube or plate type solar thermal-arrest mode.
Solar energy has the good but feature of persistency difference of reproducibility, rock gas has reproducibility difference but the good feature of persistency, present invention achieves the mutual supplement with each other's advantages of renewable energy sources and fossil energy, in improve, the application energy level of low-temperature solar energy, solar energy is made to obtain stable and efficiency utilization, reduce heated by natural gas unit energy consumption, improve the thermal efficiency of NG Distributed Energy System, there is double benefit that is energy-conservation and environmental protection.
Working procedure of the present invention is as follows:
As shown in Figure 1, air forms high-pressure air and enters firing chamber 2 after gas compressor 1, and produces high temperature and high pressure flue gas after combustion of natural gas and enters combustion gas turbine 3 and do work, and combustion gas turbine 3 drive electrical generators 11 generates electricity.Subsequently, flue gas enters residual heat using device 4 and carries out UTILIZATION OF VESIDUAL HEAT IN, after cooling, enter air.
Water absorbs fume afterheat in residual heat using device 4, produces hot water by the 4th valve 104 and the 6th valve 106 supplying hot water user 7 and second level gas heater 10 respectively, and produces steam supply steam user 8; Hot water respectively in hot water user 7 and second level gas heater 10 through heat exchange cooling after, be back to residual heat using device 4.
Water absorbs solar thermal energy in solar thermal collection system 5, in formation, low-temperature water heating enters heat storage tank 6, in heat storage tank 6, hot water is divided into two-way after reaching uniform temperature, first valve 101 of leading up to provides heat source water to first order gas heater 9, and the second valve 102 of separately leading up to provides heat source water to hot water user 7; Hot water in first order gas heater 9 and hot water user 7 through heat exchange cooling after, be back to heat storage tank 6.
Natural gas via enters first order gas heater 9 after crossing voltage regulating station and fine filter, absorb in gas heater 9 solar thermal collection system 5 produce in the heat energy of low-temperature water heating, second level gas heater 10 is entered after heating, in gas heater 10, absorb the hot water heat energy that residual heat using device 4 produces, after being heated to rated temperature, enter firing chamber 2.
Being ensured by two-way thermal source with heat demand of heated by natural gas, comes from residual heat using device 4, and another road, from heat storage tank 6, regulates two-way thermal source flow respectively by the aperture of the first valve 101 and the 6th valve 106; Operating principle is preferential unlatching the first valve 101, and to utilize the heat source water in heat storage tank 6, insufficient section meets by opening the 6th valve 106.
Hot water user 7 is ensured by two-way thermal source with heat demand, comes from residual heat using device 4, and another road, from heat storage tank 6, regulates two-way thermal source flow respectively by the aperture of the 4th valve 104 and the second valve 102; Operating principle is preferential unlatching the 4th valve 104, and with the hot water utilizing residual heat using device 4 to produce, insufficient section meets by opening the second valve 102.
Claims (7)
1. the NG Distributed Energy System of a coupled solar, it is characterized in that, comprise Gas Turbine Generating Units, residual heat using device (4), solar thermal collection system (5), heat storage tank (6), hot water user (7), steam user (8) and gas heater; Wherein,
Gas Turbine Generating Units is provided with gas inlet, air inlet and relief opening, gas heater is provided with rock gas gateway, the outlet of gas heater is connected to the gas inlet of Gas Turbine Generating Units, the relief opening of Gas Turbine Generating Units is connected to the exhaust entrance of residual heat using device (4), and (4) are provided with exhaust emptying outlet to residual heat using device;
Form hot water cyclesystem between solar thermal collection system (5) and heat storage tank (6), between heat storage tank (6) and gas heater, between heat storage tank (6) and hot water user (7), all form hot water cyclesystem; Hot water cyclesystem is formed between hot water user (7) and residual heat using device (4), hot water cyclesystem is formed between residual heat using device (4) and gas heater, and residual heat using device (4) is provided with steam (vapor) outlet, this steam (vapor) outlet is connected to steam user (8).
2. the NG Distributed Energy System of a kind of coupled solar according to claim 1, it is characterized in that, Gas Turbine Generating Units comprise connect successively gas compressor (1), firing chamber (2), combustion gas turbine (3) and generator (11), wherein, (1) is provided with air inlet with gas compressor, (2) are provided with gas inlet in firing chamber, (3) are provided with relief opening with combustion gas turbine, and combustion gas turbine (3) generates electricity for driving generator (11).
3. the NG Distributed Energy System of a kind of coupled solar according to claim 1, it is characterized in that, gas heater comprises the right hot-air heater of the first order connected successively (9) and second level gas heater (10), form hot water cyclesystem between heat storage tank (6) and the right hot-air heater of the first order (9), between residual heat using device (4) and second level gas heater (10), form hot water cyclesystem.
4. the NG Distributed Energy System of a kind of coupled solar according to claim 1, is characterized in that, the combination that residual heat using device (4) is exhaust heat boiler or exhaust heat boiler and turbine LP rotors.
5. the NG Distributed Energy System of a kind of coupled solar according to claim 1, is characterized in that, solar thermal collection system (5) adopts vacuum tube or plate type solar collecting system.
6. the NG Distributed Energy System of a kind of coupled solar according to claim 1, it is characterized in that, the hot water cyclesystem pipeline formed between heat storage tank (6) and gas heater is provided with the first valve (101), the hot water cyclesystem pipeline formed between heat storage tank (6) and hot water user (7) is provided with the second valve (102) and the 3rd valve (103), the hot water cyclesystem pipeline formed between hot water user (7) and residual heat using device (4) is provided with the 4th valve (104) and the 5th valve (105), the hot water cyclesystem pipeline formed between residual heat using device (4) and gas heater is provided with the 6th valve (106).
7. the NG Distributed Energy System of a kind of coupled solar according to claim 2, is characterized in that, during work, rock gas enters firing chamber (2) after gas heater; Air enters firing chamber (2) after gas compressor (1), and air and rock gas enter combustion gas turbine (3) after firing chamber (2) combustion; Combustion gas turbine (3) exhaust enters residual heat using device (4), and the exhaust of residual heat using device (4) enters air; Solar thermal collection system (5) produces hot water and enters heat storage tank (6), hot water circulates between heat storage tank (6) and gas heater, between heat storage tank (6) and hot water user (7), between hot water user (7) and residual heat using device (4), between residual heat using device (4) and gas heater, and residual heat using device (4) provides water vapor for steam user (8).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837818A (en) * | 2022-04-18 | 2022-08-02 | 中国联合重型燃气轮机技术有限公司 | Gas turbine system and power generation system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825018A (en) * | 2008-12-22 | 2010-09-08 | 通用电气公司 | A system and method for heating a fuel using a solar heating system |
| CN102278205A (en) * | 2010-06-13 | 2011-12-14 | 中国科学院工程热物理研究所 | Combined cycle method capable of being used for distributed air and fuel humidified gas turbine |
| WO2014065185A1 (en) * | 2012-10-26 | 2014-05-01 | 川崎重工業株式会社 | Sunlight-utilizing gas turbine power generation system provided with hydrogen-generating unit |
| CN205243745U (en) * | 2015-12-28 | 2016-05-18 | 华能国际电力股份有限公司 | Natural gas distributed energy system coupled with solar energy |
-
2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825018A (en) * | 2008-12-22 | 2010-09-08 | 通用电气公司 | A system and method for heating a fuel using a solar heating system |
| CN102278205A (en) * | 2010-06-13 | 2011-12-14 | 中国科学院工程热物理研究所 | Combined cycle method capable of being used for distributed air and fuel humidified gas turbine |
| WO2014065185A1 (en) * | 2012-10-26 | 2014-05-01 | 川崎重工業株式会社 | Sunlight-utilizing gas turbine power generation system provided with hydrogen-generating unit |
| CN205243745U (en) * | 2015-12-28 | 2016-05-18 | 华能国际电力股份有限公司 | Natural gas distributed energy system coupled with solar energy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837818A (en) * | 2022-04-18 | 2022-08-02 | 中国联合重型燃气轮机技术有限公司 | Gas turbine system and power generation system |
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