CN203532054U - Combined circulation system of microturbine based on renewable energy sources - Google Patents
Combined circulation system of microturbine based on renewable energy sources Download PDFInfo
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- CN203532054U CN203532054U CN201320568641.8U CN201320568641U CN203532054U CN 203532054 U CN203532054 U CN 203532054U CN 201320568641 U CN201320568641 U CN 201320568641U CN 203532054 U CN203532054 U CN 203532054U
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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Abstract
The utility model discloses a combined circulation system of a microturbine based on renewable energy sources. The combined circulation system is characterized in that a solar heat collector (1) of a solar biogas production process subsystem (A) is communicated with a hot water storage tank (2) by a pipeline; the heat storage water tank (2) is connected with a heater in a constant-temperature biogas pool (3), and the pipeline between the solar heat collector (1) and the hot water storage tank (2) is provided with a first valve (V1) and a first pump (P1); a gas compressor (5) of a biogas generation subsystem (B) of the microturbine is connected with the lower end of a combustion chamber (6) by a heat regenerator (8), and a gas storage tank (4) is connected with the lower end of the combustion chamber (6) by a third valve (V3); an evaporative heat exchanger (9) of a waste-gas residual-heat utilization process subsystem (C) is connected with an outlet of the heat regenerator (8) in the microturbine to carry out heat exchange, and an outlet in the top end of the evaporative heat exchanger (9) is connected with a steam turbine and a coaxial generator set (10) by a fourth valve (V4).
Description
Technical field
The utility model relates to the renewable energy utilization technology such as solar thermal energy, biomass energy.
Background technique
Distributed energy resource system (DES, Distributed Energy Sources) be that a kind of being based upon " temperature counterpart; cascaded utilization of energy " is conceptive, by the integrated Poly-generation supply system of refrigeration, heat supply and power generation process, it by energy supplying system with on a small scale, distributed mode is arranged near user, can be independently for user provides the energy collaborative work that also can be connected with large electrical network, there is good reliability, feature that capacity usage ratio is high, little to environmetal impact.Therefore, than other energy supplying systems, distributed energy resource system is more suitable for the exploitation in renewable energy sources, has higher economic benefit and social benefit.Conventional distributed energy resource system generally comprises power plant generating and waste heat efficiently utilizes two links.
At present; distributed energy resource system on market can adopt boiler turbine, gas turbine, internal-combustion engine, miniature gas turbine and fuel cell equal power device as power source conventionally, and these systems all exist obvious difference at aspects such as available fuel, power range, generating efficiencies.By contrast, can find out, the features such as miniature gas turbine (Microturbine) relies on that low fuel consumption rate, the fuel himself possess are applied widely, capacity is little, low emission, initial cost are few, are more suitable for distributed energy resource system than other power plant.If introducing organic Rankine circulation (ORC, Organic Rankine Cycle), as the UTILIZATION OF VESIDUAL HEAT IN link of miniature gas turbine, has promoted just can realize the remarkable of system effectiveness again.
Find by literature search, Chinese invention patent name is called: the engine waste heat recovery system based on organic Rankine circulation, and application number is: 200910115491.3, this patent discloses a kind of engine waste heat recovery system based on organic Rankine circulation.System has comprised a plurality of heat exchanger units and energy conversion device and corresponding pipeline and valve.The Waste Heat Recovery System (WHRS) that this patent proposes is higher than the energy recovery efficiency of existing Waste Heat Recovery System (WHRS), and the operation of whole system is more steady, and structural configuration is more compact.
Chinese invention patent name is called: the marine diesel engine genset power generation system using waste heat based on organic Rankine circulation, application number is: 201210265249.6, this patent discloses a kind of marine diesel engine genset power generation system using waste heat based on organic Rankine circulation, has comprised exhaust boiler, organic working medium decompressor, retarder, alternator, regenerator, condenser, organic working medium suction booster and has been arranged on the vaporizer in exhaust boiler.This patent circulates organic Rankine as the UTILIZATION OF VESIDUAL HEAT IN link of marine diesel engine genset, thereby has realized the high efficiente callback of marine diesel engine genset waste gas residual heat, has improved the generating efficiency of system.
Chinese invention patent name is called: a kind of residual heat from boiler fume based on organic Rankine circulation utilizes system, and application number is: 201210115541.X, this patent discloses a kind of residual heat from boiler fume based on organic Rankine circulation and utilized system.System is comprised of flue gas flow, organic working medium flow and three control subsystem of air mass flow.
Summary of the invention
the purpose of this utility model is to provide a kind ofminiature gas turbine combined cycle system based on renewable energy sources.
The utility model is a kind of miniature gas turbine combined cycle system based on renewable energy sources, by solar biogas, produce subtense angle A, miniature combustion engine marsh gas power generation subtense angle B and waste gas heat utilization subtense angle C form, three subtense angles connect by pipeline, form combined cycle system, it is characterized in that solar biogas production link subtense angle A is by solar thermal collector 1, heat storage tank 2, constant temperature biogas pond 3, gas holder 4 forms, solar thermal collector 1 is connected with heat storage tank 2 by pipeline, heat storage tank 2 is connected with the heater in constant temperature biogas pond 3, between pipeline on the first valve V1 is installed, the first pump P1, heater outlet enters the second pump P3 by second valve V5 or regenerator 13, be connected with solar thermal collector 1, the top in constant temperature biogas pond 3 is connected with gas holder 4, between second valve V2 is housed on pipeline, the bottom in constant temperature biogas pond 3 is connected with micro-algae culture pond 14, miniature combustion engine marsh gas power generation subtense angle B comprises miniature gas turbine and coaxial generator set, miniature gas turbine is comprised of gas compressor 5, firing chamber 6, combustion gas turbine and generator set 7 thereof and regenerator 8, wherein gas compressor 5 is connected with the lower end of firing chamber 6 by regenerator 8, gas holder 4 is connected with the lower end of firing chamber 6 by the 3rd valve V3, the top of firing chamber 6 is connected with combustion gas turbine and generator set 7 thereof, and the outlet of combustion gas turbine 7 is connected with regenerator 8, waste gas heat utilization link subtense angle C comprises evaporating heat exchanger 9, steam turbine and integral shaft generator group 10, condenser 11, liquid container 12 and solution pump-tri-pump P2, the outlet of evaporating heat exchanger 9 by the regenerator 8 with miniature combustion engine is connected and carries out heat exchange, the outlet on evaporating heat exchanger 9 tops is connected with steam turbine and integral shaft generator group 10 by the 4th valve V4, steam turbine 10 is connected with condenser 11, condenser 11 is connected with liquid container 12,12 of liquid containers are connected with the top entrance of evaporating heat exchanger 9, between the 3rd pump P2 is installed on pipeline.
First the utility model utilizes solar constant temperature biogas production technology to prepare biogas, by miniature gas turbine, generate electricity again, but, the unit efficiency of most of miniature gas turbine can only reach 27% left and right conventionally, and this generating efficiency (47%-48%) than conventional thermoelectricity overcritical (45%-46%) and ultra supercritical unit is much lower.Therefore, the present invention is in conjunction with the thought of combined cycle, the thermal properties of miniature combustion engine delivery temperature and water has determined that the efficiency of the Gas-steam Combined Cycle that itself and steam turbine form can be very not high, and start with from working medium, think deeply, introduce organic Rankine circulation as the UTILIZATION OF VESIDUAL HEAT IN link of miniature gas turbine, so just can realize the cogeneration of system, thus the generating efficiency of elevator system.In addition, in the working procedure of system, will certainly there is CO in the subsequent treatment of natural pond liquid and flue gas
2the problem of too high levels, processes in order to solve the in-depth of these waste gas and waste liquids, can in the flue gas processing procedure of system, introduce the culture technique of micro-algae (Microalgae), utilizes micro-algae can fixation of C O
2, the feature that consumes the inorganic salts such as nitrogen, phosphorus, realizes " energy-saving and emission-reduction, the low-carbon environment-friendly " of system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model system, and Fig. 2 is water T-S figure, and wherein T is temperature, and S is entropy, the T-S figure that Fig. 3 is organic working medium.
Embodiment
As shown in Figure 1, the utility model is a kind of miniature gas turbine combined cycle system based on renewable energy sources, by solar biogas, produce subtense angle A, miniature combustion engine marsh gas power generation subtense angle B and waste gas heat utilization subtense angle C form, three subtense angles connect by pipeline, form combined cycle system, solar biogas production link subtense angle A is by solar thermal collector 1, heat storage tank 2, constant temperature biogas pond 3, gas holder 4 forms, solar thermal collector 1 is connected with heat storage tank 2 by pipeline, heat storage tank 2 is connected with the heater in constant temperature biogas pond 3, between pipeline on the first valve V1 is installed, the first pump P1, heater outlet enters the second pump P3 by second valve V5 or regenerator 13, be connected with solar thermal collector 1, the top in constant temperature biogas pond 3 is connected with gas holder 4, between second valve V2 is housed on pipeline, the bottom in constant temperature biogas pond 3 is connected with micro-algae culture pond 14, miniature combustion engine marsh gas power generation subtense angle B comprises miniature gas turbine and coaxial generator set, miniature gas turbine is comprised of gas compressor 5, firing chamber 6, combustion gas turbine and generator set 7 thereof and regenerator 8, wherein gas compressor 5 is connected with the lower end of firing chamber 6 by regenerator 8, gas holder 4 is connected with the lower end of firing chamber 6 by the 3rd valve V3, the top of firing chamber 6 is connected with combustion gas turbine and generator set 7 thereof, and the outlet of combustion gas turbine 7 is connected with regenerator 8, waste gas heat utilization link subtense angle C comprises evaporating heat exchanger 9, steam turbine and integral shaft generator group 10, condenser 11, liquid container 12 and solution pump-tri-pump P2, the outlet of evaporating heat exchanger 9 by the regenerator 8 with miniature combustion engine is connected and carries out heat exchange, the outlet on evaporating heat exchanger 9 tops is connected with steam turbine and integral shaft generator group 10 by the 4th valve V4, steam turbine 10 is connected with condenser 11, condenser 11 is connected with liquid container 12,12 of liquid containers are connected with the top entrance of evaporating heat exchanger 9, between the 3rd pump P2 is installed on pipeline.
As shown in Figure 1, solar thermal collector 1 is solar cooker, or glass vacuum pipe heat collector, or heat pipe type heat collector, or groove type heat collector, or dish formula heat collector, or flat type solar heat collector.
The flowing medium that heating agent in solar thermal collector 1 and evaporating heat exchanger 9 adopts is conduction oil or water.
Waste gas heat utilization subtense angle C adopts R145a, R123, R245fa organic working medium as organic Rankine cycle fluid.
Micro-algae culture pond 14 is Race-way photobioreactor, or closed photo bioreactor.
asshown in Fig. 1, working procedure of the present utility model is: solar biogas is produced subtense angle A and utilized solar thermal collector 1 acquisition solar thermal energy to come heated constant temperature biomass pool 3 to prepare biogas, then the biogas of production is stored in gas holder 4.Miniature combustion engine marsh gas power generation subtense angle B passes into firing chamber 6 and air mixed combustion by the biogas of preparation, drives turbine 7 to rotate, and externally provides electric load by coaxial generator set.Miniature gas turbine can produce high-temp waste gas in generating, and waste gas heat utilization subtense angle C utilizes the waste heat of these waste gas to drive organic Rankine circulation to realize cogeneration.In addition will certainly there is in the course of the work CO in the subsequent treatment of natural pond liquid and flue gas in system,
2the problem of too high levels, and process in order to solve the in-depth of waste gas and waste liquid.
The utility model has been introduced micro-algae culture pond 11, utilizes micro-algae can fixation of C O
2, the feature that consumes the inorganic salts such as nitrogen, phosphorus.
As shown in Figure 2 and Figure 3, the utility model adopts organic Rankine circulation as miniature gas turbine waste gas heat utilization link, can find out under middle low temperature condition, the efficiency of organic Rankine circulation is obviously much higher as the Rankine cycle efficiency of working medium than water, and in recovery, efficiency is higher during low grade heat energy.Its main cause is that organic Rankine circulates in sensible heat recovery aspect and has higher efficiency, and this is because the sensible heat/latent heat of organic Rankine circulation is larger, therefore adopts the more heat of organic Rankine Circulation recoverable.In addition,, than water, organic working medium major part is all constant entropy fluid or master stream body, its acting inflation process more tends to superheated vapor region, be that working medium expands drier and drier, so organic working medium, without overheated, so can not brought the harm of impacting or corroding to the blade of turbine yet.
Claims (5)
1.
a kind ofminiature gas turbine combined cycle system based on renewable energy sources, by solar biogas, produce subtense angle (A), miniature combustion engine marsh gas power generation subtense angle (B) and waste gas heat utilization subtense angle (C) form, three subtense angles connect by pipeline, form combined cycle system, it is characterized in that solar biogas production link subtense angle (A) is by solar thermal collector (1), heat storage tank (2), constant temperature biogas pond (3), gas holder (4) forms, solar thermal collector (1) is connected with heat storage tank (2) by pipeline, heat storage tank (2) is connected with the heater in constant temperature biogas pond (3), between pipeline on the first valve (V1) is installed, the first pump (P1), heater outlet enters the second pump (P3) by second valve (V5) or regenerator (13), be connected with solar thermal collector (1), the top in constant temperature biogas pond (3) is connected with gas holder (4), between second valve (V2) is housed on pipeline, the bottom of constant temperature biogas pond (3) is connected with micro-algae culture pond (14), miniature combustion engine marsh gas power generation subtense angle (B) comprises miniature gas turbine and coaxial generator set, miniature gas turbine is comprised of gas compressor (5), firing chamber (6), combustion gas turbine and generator set (7) thereof and regenerator (8), wherein gas compressor (5) is connected with the lower end of firing chamber (6) by regenerator (8), gas holder (4) is connected with the lower end of firing chamber (6) by the 3rd valve (V3), the top of firing chamber (6) is connected with combustion gas turbine and generator set (7) thereof, and the outlet of combustion gas turbine (7) is connected with regenerator (8), waste gas heat utilization link subtense angle (C) comprises evaporating heat exchanger (9), steam turbine and integral shaft generator group (10), condenser (11), liquid container (12) and solution pump-tri-pumps (P2), the outlet of evaporating heat exchanger (9) by the regenerator with miniature combustion engine (8) is connected and carries out heat exchange, the outlet on evaporating heat exchanger (9) top is connected with steam turbine and integral shaft generator group (10) by the 4th valve (V4), steam turbine (10) is connected with condenser (11), condenser (11) is connected with liquid container (12), liquid container (12) is connected with the top entrance of evaporating heat exchanger (9), between the 3rd pump (P2) is installed on pipeline.
2. the miniature gas turbine combined cycle system based on renewable energy sources according to claim 1, it is characterized in that solar thermal collector (1) is solar cooker, or glass vacuum pipe heat collector, or heat pipe type heat collector, or groove type heat collector, or dish formula heat collector, or flat type solar heat collector.
3. the miniature gas turbine combined cycle system based on renewable energy sources according to claim 1, is characterized in that the flowing medium that the heating agent in solar thermal collector (1) and evaporating heat exchanger (9) adopts is conduction oil or water.
4. the miniature gas turbine combined cycle system based on renewable energy sources according to claim 1, is characterized in that waste gas heat utilization subtense angle (C) adopts R145a, R123, R245fa organic working medium as organic Rankine cycle fluid.
5. the miniature gas turbine combined cycle system based on renewable energy sources according to claim 1, is characterized in that: described micro-algae culture pond (14) is Race-way photobioreactor, or closed photo bioreactor.
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| CN201320568641.8U CN203532054U (en) | 2013-09-13 | 2013-09-13 | Combined circulation system of microturbine based on renewable energy sources |
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| CN201320568641.8U CN203532054U (en) | 2013-09-13 | 2013-09-13 | Combined circulation system of microturbine based on renewable energy sources |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452670A (en) * | 2013-09-13 | 2013-12-18 | 兰州理工大学 | Micro gas turbine combined circulating system based on renewable energy sources |
| CN106121809A (en) * | 2016-06-24 | 2016-11-16 | 国网安徽省电力公司黄山供电公司 | A kind of network system electric station based on biomass power generation |
| WO2021129424A1 (en) * | 2019-12-27 | 2021-07-01 | 至玥腾风科技集团有限公司 | Combined circulation system of micro gas turbine, vehicle, and charging system |
-
2013
- 2013-09-13 CN CN201320568641.8U patent/CN203532054U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452670A (en) * | 2013-09-13 | 2013-12-18 | 兰州理工大学 | Micro gas turbine combined circulating system based on renewable energy sources |
| CN106121809A (en) * | 2016-06-24 | 2016-11-16 | 国网安徽省电力公司黄山供电公司 | A kind of network system electric station based on biomass power generation |
| WO2021129424A1 (en) * | 2019-12-27 | 2021-07-01 | 至玥腾风科技集团有限公司 | Combined circulation system of micro gas turbine, vehicle, and charging system |
| US11859494B2 (en) | 2019-12-27 | 2024-01-02 | Technologies' Xanadu Of Resonatory-Solar-Systemed Co., Ltd | Combined circulating system of micro gas turbine, transportation means and charging system |
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Granted publication date: 20140409 Termination date: 20170913 |
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| CF01 | Termination of patent right due to non-payment of annual fee |