CN103471287A - Renewable energy source complementary combined cooling heating and power system - Google Patents
Renewable energy source complementary combined cooling heating and power system Download PDFInfo
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- CN103471287A CN103471287A CN2013104172214A CN201310417221A CN103471287A CN 103471287 A CN103471287 A CN 103471287A CN 2013104172214 A CN2013104172214 A CN 2013104172214A CN 201310417221 A CN201310417221 A CN 201310417221A CN 103471287 A CN103471287 A CN 103471287A
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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]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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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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- 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]
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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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- 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
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
Disclosed is a renewable energy source complementary combined cooling heating and power system. A heat storage water tank (2) is provided with a temperature sensor (T0) and is communicated with a constant temperature fermentation device (3) through a solenoid valve (V1); the constant temperature fermentation device (3) is provided with a temperature sensor (T1) and a pressure gage (P1), is communicated with an air compressing device (4) through a valve (V2), and is connected with a circulating water pump (22) which is further connected with a solar heat collector (1); the air compressing device (4) is connected with a purification device (5) which is further connected with a methane storage tank (6) through a valve (V3); the methane storage tank (6) is provided with a temperature sensor (T2) and is connected with a power generation device; air enters the power generation device from an air purification device (7) through an air pump (8), and smoke gas exhausted by the power generation device drives a refrigerating device.
Description
Technical field
Patent of the present invention relates to solar utilization technique, biomass marsh gas utilizes the fields such as technology, sorption type refrigerating technology, particularly relates to the cogeneration cooling heating system of one kind of multiple regenerative resource complementations.
Background technology
The distributed energy resource system technology can realize the cascade utilization of regenerative resource, thereby caused the extensive concern of world energy sources circle, yet, the distributed energy resource system driven about regenerative resource is at present studied and is applied less, and it is input that most of distributed energy resource system based on regenerative resource all be take the single energy such as solar energy, biomass energy or geothermal energy, system is subject to the impact of the factors such as region, weather, season larger, and the reliability and stability of system are generally poor.
The core of cooling heating and power generation system is thermoelectric conversion device and hot cold conversion equipment.Now dropped in the world cooling heating and power generation system thermoelectric conversion device that commercialization uses three kinds of combustion gas (oil) turbine generation unit (gas turbine), combustion gas (oil) internal combustion engine generator group (internal combustion engine) and combustion gas (oil) combustion generator groups (thermomotor) have been arranged; The cold conversion equipment of heat has two kinds of Absorption Refrigerator and adsorbent refrigerators; Fuel cell also is in the laboratory research stage.High efficiency, low cost utilization for solar energy and biomass energy (biogas), stability and the reliability of system are strengthened, consider the characteristics that the economical heat-collecting temperature of solar energy and biogas High-efficient Production temperature are complementary, need the economical heat collection technology of height integrated solar, constant temperature anaerobic fermentation technology, build the cogeneration cooling heating system of solar energy and biological energy complementary.Therefore, the cogeneration cooling heating system of multiple renewable energy sources complementation has very important meaning to the sustainable development of the energy, environment.
Chinese invention patent " methane power generating system " (application number: 201120196257.0), this Chinese patent relates to a kind of methane power generating system, it belongs to the biogas power generation technology field, and it has solved the defect of the phenomenons such as the generating efficiency that in the prior art, biogas power generation technology exists heat utilization ratio lower, that easily cause biogas waste, marsh gas power generation to produce is lower.(application number: 200310108451.9), this patent realizes UTILIZATION OF VESIDUAL HEAT IN based on the high-efficiency adsorption Refrigeration Technique to Chinese invention patent " the miniature cold, heat and power triple supply system based on solid adsorption refrigerator ".
In the present invention, the conversion ratio of energy and grade are greatly improved, and produce a large amount of electric energy, and biogas is fully utilized, and have not only saved the energy but also protected environment, have also alleviated the power tense problem in summer simultaneously, have increased the reliability of power supply.In further retrieving, not yet find that there is identical with theme of the present invention or similar cogeneration cooling heating system.
Summary of the invention
the purpose of this invention is to provide a kind ofthe cogeneration cooling heating system of regenerative resource complementation.
The present invention is the cogeneration cooling heating system of regenerative resource complementation, a solar thermal collector 1 is arranged, solar thermal collector 1 is connected with heat storage water tank 2, heat storage water tank 2 is provided with temperature sensor TO, heat storage water tank 2 is connected with ferment at constant temperature device 3 by magnetic valve V1, ferment at constant temperature device 3 is provided with temperature sensor T1, Pressure gauge P1, ferment at constant temperature device 3 is connected with compressing device 4 by valve V2, ferment at constant temperature device 3 is connected with water circulating pump 22, water circulating pump 22 is connected with solar thermal collector 1, compressing device 4 is connected with purifying plant 5, purifying plant 5 is connected with biogas storage tank 6 by valve V3, biogas storage tank 6 is provided with temperature sensor T2, biogas storage tank 6 is connected with TRT, air enters TRT from air cleaning unit 7 through air pump 8, the high-temperature flue gas that TRT is discharged drives refrigerating plant, refrigerating plant is discharged low-temperature flue gas and is driven secondary waste heat retracting device 21, remaining waste gas is discharged through exhaust gas heat exchanger 22.
The present invention is that the air mixed combustion thing of normal temperature fermentation biogas and solar energy preheating promotes the miniature gas turbine generating jointly, met the demand of user to electric energy, because adopting, the present invention take solar energy as thermal source again, biogas is working medium, can effectively reclaim industrial exhaust heat and utilize the low temperature heat energy such as solar energy, its efficiency of energy utilization is high.The present invention compares with background technology; the beneficial effect had is: the described cogeneration cooling heating system based on regenerative resource; conversion ratio and the grade of its energy are greatly improved; produce a large amount of electric energy and heat energy; biogas is fully utilized; not only save the energy but also protected environment, also alleviated the power tense problem in summer simultaneously, increased the reliability of power supply.Energy utilization rate is high, cost is low, good economy performance, the feature of environmental protection are good.It is calculated that,, the distributed energy resource system that the miniature gas turbine that is 30kW for a rated power combines with lithium bromide absorption cooling and warming water machine, in refrigeration mode, can provide electric load 30.80kW to the user, refrigeration duty 30.96kW and the domestic hot-water 19.31kW that loads simultaneously; In the heating pattern, system can provide electric load 30.80kW to the user simultaneously, thermic load and the domestic hot-water 50.27kW that loads; The cold electric overall efficiency in this miniature co-feeding system summer reaches 49%, and the thermoelectricity overall efficiency of winter and spring and autumn reaches 64%, and the total energy approach rate of whole system whole year reaches 64%.
The accompanying drawing explanation
The structural representation that Fig. 1 is system of the present invention.
The specific embodiment
As shown in Figure 1, the cogeneration cooling heating system of regenerative resource complementation, a solar thermal collector 1 is arranged, solar thermal collector 1 is connected with heat storage water tank 2, heat storage water tank 2 is provided with temperature sensor TO, heat storage water tank 2 is connected with ferment at constant temperature device 3 by magnetic valve V1, ferment at constant temperature device 3 is provided with temperature sensor T1, Pressure gauge P1, ferment at constant temperature device 3 is connected with compressing device 4 by valve V2, ferment at constant temperature device 3 is connected with water circulating pump 22, water circulating pump 22 is connected with solar thermal collector 1, compressing device 4 is connected with purifying plant 5, purifying plant 5 is connected with biogas storage tank 6 by valve V3, biogas storage tank 6 is provided with temperature sensor T2, biogas storage tank 6 is connected with TRT, air enters TRT from air cleaning unit 7 through air pump 8, the high-temperature flue gas that TRT is discharged drives refrigerating plant, refrigerating plant is discharged low-temperature flue gas and is driven secondary waste heat retracting device 21, remaining waste gas is discharged through exhaust gas heat exchanger 22.
Solar energy heat collection box 1 is flat, or electron tubes type, or parabolic trough type, or the dish formula.Perhaps heat pipe type heat collector.Ferment at constant temperature device 3 is constant temperature anaerobic fermentation device.Described purifier 5 is stirring-type, or the intermittent stirring formula, or static type.TRT is the miniature gas turbine generating, and TRT is connected to form by compressor 9, regenerator 10, combustion chamber 11 and turbine 12.Described refrigerating plant is lithium-bromide absorption-type refrigerating machine, comprises that high pressure generator 13, low pressure generator 14, condenser 15, choke valve 16, evaporimeter 17, absorber 18, high-temperature solution heat exchanger 20 and cryogenic fluid heat exchanger 19 are connected.Described secondary waste heat retracting device is shell-and-tube exhaust-heat boiler or flue type waste heat boiler.Ferment at constant temperature device 3 is provided with charging aperture and discharging opening.
The cogeneration cooling heating system of described regenerative resource complementation, its operation principle is as follows: the warm water that obtains solar energy from plate type solar heat collection case 1 flows into heat storage water tank 2, when temperature sensor T0 shows that the water temperature of hot water storage tank reaches 60 ℃, by magnetic valve V1, come regulating water flow to realize constant temperature (52 ℃) installation for fermenting ferment at constant temperature aerogenesis, temperature sensor T1 and Pressure gauge P1 measure its temperature and pressure, when reaching design temperature and force value, valve V2 opens, and biogas enters compressing device 4.When biogas arrives force value, open compressing device 5, after enter purifying plant 6, after enter TRT from air cleaning unit 7 with air together with air pump 8, have its high-temperature flue gas of discharging from miniature gas turbine to drive lithium-bromide absorption-type refrigerating machine work.In miniature gas turbine, compressor 9, combustion chamber 11 and turbine 12 link together by shaft coupling, the gas of mist after compressor 9 compressions enters combustion chamber 11 burnings after being introduced into regenerator 10 heating, enter again turbine 12 actings thermic load externally is provided, finally again enter regenerator and discharge high-temperature flue gas.High-temperature flue gas enters heat exchanger becomes high pressure generator 13, drive lithium-bromide absorption-type refrigerating machine, weak solution is used as the high-temperature flue gas heating of driving heat source in high pressure generator 13, produce the water as refrigerant steam, steam in the condition of high temperature advances people's low pressure generator 14, solution is heated again, produce refrigerant vapour, refrigerant vapour heated solution in low pressure generator 14 that high pressure generator 13 produces, emit latent heat, form water as refrigerant, advance people's condenser 15 together with the refrigerant vapour produced in low pressure generator, the cooling water as refrigerant that condenses into of the fluid that is cooled, water as refrigerant enters evaporimeter 17 after choke valve 16 throttlings, through the evaporimeter pump, carry, spray equably on evaporator tube bank, the heat of water in absorption tube, under evaporating pressure, evaporate, produce the low temperature chilled water, send cold, reach the purpose of refrigeration, the refrigerant vapour that evaporation produces enters absorber 18, complete the refrigerant loop of dual-effect refrigeration circulation, on the other hand, the concentrated solution that low pressure generator 14 flows out is through the laggard people's absorber 18 of low temperature heat exchanger 19 cooling, be mixed into the solution of intermediate concentration with the weak solution in absorber 18, through the solution pump, carry, spray is on tube bundle, the heat that absorption process produces is managed interior cooling fluid and is taken away, intermediate solution absorbs the refrigerant vapour of flash-pot 17, thereby maintain evaporating pressure lower in evaporimeter, guarantee that process of refrigerastion carries out continuously, the weak solution that after the absorption refrigerant vapour, concentration reduces is sent by generator pump P1, restart circulation.High-temperature flue gas becomes low-temperature flue gas after high pressure generator is discharged, and drives waste heat boiler 21 to produce the domestic hot-water.Remaining waste gas is discharged through exhaust gas heat exchanger 22.
The cogeneration cooling heating system of described regenerative resource complementation, can be divided into biogas production system, Marsh gas compression and cleaning system, generation system of micro turbine and bootstrap system four parts of solar energy heating.
The biogas production system of solar energy heating: the warm water that obtains solar energy from plate type solar heat collection case 1 flows into heat storage water tank 2, when temperature sensor T0 shows that the water temperature of hot water storage tank reaches 60 ℃, by magnetic valve V1, come regulating water flow to realize constant temperature (52 ℃) installation for fermenting ferment at constant temperature aerogenesis, temperature sensor T1 and Pressure gauge P1 measure its temperature and pressure, when reaching design temperature and force value, valve V2 opens, and biogas enters compressing device 4.
Marsh gas compression and cleaning system: when biogas arrives force value, open compressing device 5, after enter purifying plant 6, after enter TRT from air cleaning unit 7 with air together with air pump 8, have its high-temperature flue gas of discharging from miniature gas turbine to drive lithium-bromide absorption-type refrigerating machine work.
Generation system of micro turbine: in miniature gas turbine, compressor 9, combustion chamber 11 and turbine 12 link together by shaft coupling, the gas of mist after compressor 9 compressions enters combustion chamber 11 burnings after being introduced into regenerator 10 heating, enter again turbine 12 actings thermic load externally is provided, finally again enter regenerator and discharge high-temperature flue gas.
Bootstrap system: high-temperature flue gas enters heat exchanger becomes high pressure generator 13, drive lithium-bromide absorption-type refrigerating machine, weak solution is used as the high-temperature flue gas heating of driving heat source in high pressure generator 13, produce the water as refrigerant steam, steam in the condition of high temperature advances people's low pressure generator 14, solution is heated again, produce refrigerant vapour, refrigerant vapour heated solution in low pressure generator 14 that high pressure generator 13 produces, emit latent heat, form water as refrigerant, advance people's condenser 15 together with the refrigerant vapour produced in low pressure generator, the cooling water as refrigerant that condenses into of the fluid that is cooled, water as refrigerant enters evaporimeter 17 after choke valve 16 throttlings, through the evaporimeter pump, carry, spray equably on evaporator tube bank, the heat of water in absorption tube, under evaporating pressure, evaporate, produce the low temperature chilled water, send cold, reach the purpose of refrigeration, the refrigerant vapour that evaporation produces enters absorber 18, complete the refrigerant loop of dual-effect refrigeration circulation, on the other hand, the concentrated solution that low pressure generator 14 flows out is through the laggard people's absorber 18 of low temperature heat exchanger 19 cooling, be mixed into the solution of intermediate concentration with the weak solution in absorber 18, through the solution pump, carry, spray is on tube bundle, the heat that absorption process produces is managed interior cooling fluid and is taken away, intermediate solution absorbs the refrigerant vapour of flash-pot 17, thereby maintain evaporating pressure lower in evaporimeter, guarantee that process of refrigerastion carries out continuously, the weak solution that after the absorption refrigerant vapour, concentration reduces is sent by generator pump P1, restart circulation.High-temperature flue gas becomes low-temperature flue gas after high pressure generator is discharged, and drives waste heat boiler 21 to produce the domestic hot-water.Remaining waste gas is discharged through exhaust gas heat exchanger 22.
The present invention, at first by the methane production device of solar energy heating, produces biogas, through compression set, purifying plant, produces highly purified methane gas, with enter miniature gas turbine together with the air of preheating, generates electricity, and to the user, provides electric energy.The high-temperature flue gas that miniature gas turbine is discharged drives lithium bromide dual-effect refrigeration unit, and the low-temperature flue gas of then discharging drives waste heat boiler, to the user, provides hot and cold.When summer or winter do not need refrigeration or heat supply, by control valve V6, make high-temperature flue gas directly enter waste heat boiler and produce the domestic hot-water, thereby the cogeneration cooling heating system based on regenerative resource there is stable hot and cold, electric energy supply throughout the year.
Claims (7)
1. the cogeneration cooling heating system of regenerative resource complementation, a solar thermal collector (1) is arranged, it is characterized in that solar thermal collector (1) is connected with heat storage water tank (2), heat storage water tank (2) is provided with temperature sensor (TO), heat storage water tank (2) is connected with ferment at constant temperature device (3) by magnetic valve (V1), ferment at constant temperature device (3) is provided with temperature sensor (T1), Pressure gauge (P1), ferment at constant temperature device (3) is connected with compressing device (4) by valve (V2), ferment at constant temperature device (3) is connected with water circulating pump (22), water circulating pump (22) is connected with solar thermal collector (1), compressing device (4) is connected with purifying plant (5), purifying plant (5) is connected with biogas storage tank (6) by valve (V3), biogas storage tank (6) is provided with temperature sensor (T2), biogas storage tank (6) is connected with TRT, air enters TRT from air cleaning unit (7) through air pump (8), the high-temperature flue gas that TRT is discharged drives refrigerating plant, refrigerating plant is discharged low-temperature flue gas and is driven secondary waste heat retracting device (21), remaining waste gas is discharged through exhaust gas heat exchanger (22).
2. the cogeneration cooling heating system of regenerative resource complementation according to claim 1 is characterized in that: described solar energy heat collection box (1) is for flat, or electron tubes type, or parabolic trough type, or the dish formula, or heat pipe type heat collector.
3. the cogeneration cooling heating system of regenerative resource complementation according to claim 1, it is characterized in that: described ferment at constant temperature device (3) is constant temperature anaerobic fermentation device.
4. the cogeneration cooling heating system of regenerative resource complementation according to claim 1, it is characterized in that: described purifier (5) is stirring-type, or the intermittent stirring formula, or static type.
5. the cogeneration cooling heating system of regenerative resource complementation according to claim 1, it is characterized in that: described TRT is the miniature gas turbine generator.
6. the cogeneration cooling heating system of regenerative resource complementation according to claim 1, it is characterized in that: described refrigerating plant is lithium-bromide absorption-type refrigerating machine.
7. the cogeneration cooling heating system of regenerative resource complementation according to claim 1, it is characterized in that: described secondary waste heat recycle device is shell-and-tube exhaust-heat boiler or flue type waste heat boiler.
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| CN104142036A (en) * | 2014-08-08 | 2014-11-12 | 天津商业大学 | Solar and biogas combined heat pump system |
| CN106368818A (en) * | 2016-08-31 | 2017-02-01 | 陈九法 | Solar water heater and methane tank combined power generation device and control method |
| CN106523779A (en) * | 2016-12-30 | 2017-03-22 | 天津燃洁斯工业设备有限公司 | Bypass pipeline mixing device |
| CN106704126A (en) * | 2017-01-22 | 2017-05-24 | 华北电力大学 | Tower type solar thermal power generation system based on compressed supercritical CO2 gas for energy storage |
| CN109369232A (en) * | 2018-09-26 | 2019-02-22 | 新安洁环境卫生股份有限公司 | A kind of method and apparatus using solar energy fermentation rubbish |
| CN110145893A (en) * | 2019-05-23 | 2019-08-20 | 机械工业第六设计研究院有限公司 | The direct-burning type lithium bromide cold-hot water group driven using biomass energy |
| CN112283068A (en) * | 2020-10-12 | 2021-01-29 | 国网江苏省电力有限公司镇江供电分公司 | Compressed air energy storage and supply device |
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| CN104142036A (en) * | 2014-08-08 | 2014-11-12 | 天津商业大学 | Solar and biogas combined heat pump system |
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| CN106523779A (en) * | 2016-12-30 | 2017-03-22 | 天津燃洁斯工业设备有限公司 | Bypass pipeline mixing device |
| CN106704126A (en) * | 2017-01-22 | 2017-05-24 | 华北电力大学 | Tower type solar thermal power generation system based on compressed supercritical CO2 gas for energy storage |
| CN106704126B (en) * | 2017-01-22 | 2023-07-21 | 华北电力大学 | Based on compressed supercritical CO 2 Tower type solar thermal power generation system with gas energy storage function |
| CN109369232A (en) * | 2018-09-26 | 2019-02-22 | 新安洁环境卫生股份有限公司 | A kind of method and apparatus using solar energy fermentation rubbish |
| CN110145893A (en) * | 2019-05-23 | 2019-08-20 | 机械工业第六设计研究院有限公司 | The direct-burning type lithium bromide cold-hot water group driven using biomass energy |
| CN112283068A (en) * | 2020-10-12 | 2021-01-29 | 国网江苏省电力有限公司镇江供电分公司 | Compressed air energy storage and supply device |
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Application publication date: 20131225 |