CN102435000A - Solar energy system combined cooling and electricity based on ammonia water mixed refrigerant - Google Patents
Solar energy system combined cooling and electricity based on ammonia water mixed refrigerant Download PDFInfo
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- CN102435000A CN102435000A CN2011103273149A CN201110327314A CN102435000A CN 102435000 A CN102435000 A CN 102435000A CN 2011103273149 A CN2011103273149 A CN 2011103273149A CN 201110327314 A CN201110327314 A CN 201110327314A CN 102435000 A CN102435000 A CN 102435000A
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- ammoniacal liquor
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The invention provides a solar energy system combined cooling and electricity based on an ammonia water mixed refrigerant. The system comprises a steam generator (106) which adopts the ammonia water mixed refrigerant, makes the solar energy as an energy source of the energy, and provides the energy for the whole solar energy system combined cooling and electricity; a first separator (107) used for separating the high-temperature high-pressure ammonia water wet steam generated by the steam generator (106) to be ammonia-enriched steam and ammonia-poor solution, wherein the ammonia-enriched steam is powered after acting of a bleeder turbine (110), the ammonia-poor solution is mixed with ammonia-enriched dead steam discharged from the bleeder turbine (110) through cooling and depressurization in sequence, passes through a heat regenerator (115), enters a second separator (119), is congealed and depressurized by the ammonia-enriched steam separated from the second separator (119), and finally refrigerating capacity is produced through an evaporator (112).
Description
Technical field
The invention belongs to low temperature heat energy utilization and power engineering, particularly a kind of solar cold chp system based on the ammoniacal liquor mixed working fluid.
Background technology
Along with economic, social development, the consumption of traditional primary energy is increasing, and the reserves of primary energy are limited, and therefore, the development and use regenerative resource receives people's attention day by day.Occurring in nature exists and enriches solar energy, develops solar energy for alleviating problem of environmental pollution and the consumption that reduces fossil fuel, has important practical significance and practical applications value.In addition, the user has diversity for demands for energy.
Existing solar utilization technique; Mainly be that solar electrical energy generation and solar refrigeration divide the confession system; That solar power system mainly contains is tower, dish formula and groove type solar electricity generation system; Solar refrigeration system mainly contains solar adsorption-type refrigerating system, solar ejector refrigeration system and solar absorption refrigeration system, and rarely seen solar electrical energy generation and refrigeration combined cycle are exported electric energy and cold simultaneously.
Summary of the invention
Technical problem to be solved by this invention provides a kind of solar cold chp system based on the ammoniacal liquor mixed working fluid; Adopt solar thermal collector (compound parabolic concentrator) to absorb the energy input of solar radiation as whole system; Through the effective integration of dynamical system and refrigeration system, externally export electric energy and refrigerating capacity simultaneously.
A kind of solar cold chp system based on the ammoniacal liquor mixed working fluid of the present invention comprises steam generator, adopts the ammoniacal liquor mixed working fluid; With solar energy is the energy source of energy, for whole solar cold chp system provides energy; First separator; The HTHP ammoniacal liquor moist steam that steam generator is produced separates into rich ammonia steam and poor ammonia solution; Wherein, rich ammonia steam is through bleeder turbine acting back generating, and poor ammonia solution mixes through the rich ammonia exhaust steam of discharging with bleeder turbine after the decrease temperature and pressure successively; Get into second separator through regenerator cooling back then, through rich ammonia steam that second separator separates is come out after condensation and step-down after evaporimeter generation refrigerating capacity.
As the preferred embodiments of the present invention, said energy source comprises solar thermal collector, stores the conduction oil storage heater of solar radiation energy more than needed;
As the preferred embodiments of the present invention, between said conduction oil storage heater and steam generator, be connected with auxiliary heater;
The end of bleeding of said bleeder turbine is connected with injector; Suction comes the low pressure rich ammonia steam of flash-pot; Be connected with second condenser between the said injector and second separator; The poor ammonia solution that the rich ammonia steam that the blowing love dart comes out comes out with second separator separates is condensed into ammoniacal liquor liquid in second condenser, this ammoniacal liquor liquid is through be back to steam generator after the supercharging successively after backheat, preheating;
The lower end of said first separation is connected with preheater; From poor ammonia solution that first separator separates is come out release heat and in this preheater through after the step-down; The rich ammonia exhaust steam of discharging with bleeder turbine mixes; Get in second separator through the regenerator back that lowers the temperature again then, poor ammonia solution in preheater preheating from regenerator through the ammoniacal liquor liquid after second condenser condenses, then it is back to steam generator.
The solar cold chp system that the present invention is based on the ammoniacal liquor mixed working fluid has the following advantages at least:
1, this system can export electric energy and refrigerating capacity simultaneously, demand when satisfying the user to electric energy and cold energy.
2, this system utilizes the characteristic of ammoniacal liquor mixed working fluid alternating temperature evaporation, and the irreversible loss of heat transfer process is little, and efficiency of energy utilization is high.
Description of drawings
Fig. 1 is the overall structure block diagram of system of the present invention.
Among the figure: 101 composite parabolic solar thermal collectors, 102 first circulating pumps, 103 auxiliary heaters, 104 conduction oil storage heaters, 105 second circulating pumps; 106 steam generators, 107 first separators, 108 preheaters, 109 first throttle valves, 110 bleeder turbines; 111 generators, 112 evaporimeters, 113 injectors, 114 second choke valves, 115 regenerators; 116 first condensers, 117 increase pump, 118 second condensers, 119 second separators
The specific embodiment
The present invention adopts solar thermal collector (compound parabolic concentrator) to absorb the energy input of solar radiation as whole system, through the effective integration of dynamical system and refrigeration system, externally exports electric energy and refrigerating capacity simultaneously.For the assurance system can move by continous-stable; Use the conduction oil storage heater to store solar radiation energy more than needed, use when supplying solar radiation not enough, in addition; Adopt auxiliary heater as standby heat source, when the long-time deficiency of solar radiation, serve as thermal source and continue energy to be provided to system.Solar energy heating, hold over system adopt conduction oil as working medium, adopt the ammoniacal liquor mixed working fluid as thermal cycle working medium, have utilized the alternating temperature evaporation characteristic of ammoniacal liquor mixed working fluid, reduce the irreversible loss of therrmodynamic system effectively.This system is made up of solar thermal collector, conduction oil storage heater, circulating pump, auxiliary heater, steam generator, first separator, bleeder turbine, generator, regenerator, first throttle valve, preheater, booster pump, injector, evaporimeter, second choke valve, first condenser, second separator, second condenser.The HTHP ammoniacal liquor moist steam that steam generator produces gets into and separates into rich ammonia steam and poor ammonia solution in first separator, and wherein rich ammonia steam gets into bleeder turbine expansion acting and drives generator for electricity generation, the output electric energy.The entering injector that draws gas of turbine, suction comes the saturated rich ammonia steam of low pressure of flash-pot.The poor ammonia solution through after preheater and the first throttle valve decrease temperature and pressure that the rich ammonia exhaust steam that turbine is discharged and first separator come out is mixed into regenerator; Separate into rich ammonia steam and poor ammonia solution in second separator through getting into after the regenerator cooling; Wherein rich ammonia steam becomes rich ammonia liquid through first condenser condenses; Through after the second choke valve step-down, get into evaporation heat absorption in the evaporimeter then, produce refrigerating capacity.
At first; First circulating pump 102 connects parabolic solar heat collector 101; Conduction oil is delivered in the composite parabolic solar thermal collector 101, in heat collector, absorbed solar radiation, heat-conducting oil heating; 101 outlets of composite parabolic solar thermal collector connect conduction oil storage heater 104; The useful solar energy that conduction oil storage heater 104 will absorb is with the stores of heat, and auxiliary heater 103 is between conduction oil storage heater 104 and steam generator 106, and it serves as thermal source as standby heat source and continues energy to system to be provided when solar radiation is not enough for a long time.Second circulating pump 105 is delivered to the conduction oil in the steam generator 106 in the conduction oil storage heater 104 and to be gone between conduction oil storage heater 104 and steam generator 106.
Conduction oil is passed to the ammoniacal liquor mixed working fluid with the solar energy of storage in steam generator 106; Generation has the ammonia vapor of certain humidity; Its state is the vapour-liquid two phase states of HTHP, and ammonia vapor gets into first separator 107 that links to each other with steam generator 106, separates into rich ammonia steam and poor ammonia solution; Wherein rich ammonia steam flows out from first separator, 107 tops; The bleeder turbine 110 that entering links to each other with first separator 107 expands and does work, and generator 111 and 110 coaxial linking to each other of bleeder turbine produce electric energy.The poor ammonia solution that flows out from first separator, 107 bottoms gets into preheater 108 release heat that link to each other with first separator 107, and preheating gets into the ammoniacal liquor mixed working fluid of steam generator 106, reduces pressure through first throttle valve 109 then.The rich ammonia exhaust steam of finishing merit of coming out from turbine 110 and first throttle valve 109 reduce the poor ammonia solution mixing after the pressure, get into regenerator 115 and second separator 119 that links to each other with regenerator 115 then successively.
Drawing gas of bleeder turbine 110 gets into coupled injector 113, and suction comes the low pressure rich ammonia steam of flash-pot 112.The ammoniacal liquor mixed working fluid that second separator 119 comes out regenerator 115 separates into rich ammonia steam and poor ammonia solution; Wherein rich ammonia steam come out to get into from second separator, 119 tops and is connected first condenser 114 with it; Be condensed into rich ammonia liquid; Get into 114 decompressions of second choke valve then, get into evaporimeter 112 evaporation heat absorptions, produce refrigerating capacity.
The poor ammonia solution that second separator 119 is separated gets into second condenser 118 that links to each other with second separator, 119 bottoms; In second condenser 118, be condensed into ammoniacal liquor liquid with the rich ammonia steam that comes out from injector 113; The booster pump 117 of liq ammonia through linking to each other with second condenser 118; Pass through regenerator 115 and preheater 108 successively, get into evaporimeter 106.
The above is merely one embodiment of the present invention; It or not whole or unique embodiment; The conversion of any equivalence that those of ordinary skills take technical scheme of the present invention through reading specification of the present invention is claim of the present invention and contains.
Claims (5)
1. solar cold chp system based on the ammoniacal liquor mixed working fluid is characterized in that: comprising:
Steam generator (106) adopts the ammoniacal liquor mixed working fluid;
With solar energy is the energy source of energy, for whole solar cold chp system provides energy;
First separator (107); The HTHP ammoniacal liquor moist steam that steam generator (106) is produced separates into rich ammonia steam and poor ammonia solution; Wherein, rich ammonia steam is through bleeder turbine (110) acting back generating, and poor ammonia solution mixes with the rich ammonia exhaust steam of the discharge of bleeder turbine (110) after decrease temperature and pressure successively; Get into second separator (119) through regenerator (115) back, the rich ammonia steam of separating through second separator (119) after condensation and step-down after evaporimeter (112) generation refrigerating capacity.
2. the solar cold chp system based on the ammoniacal liquor mixed working fluid as claimed in claim 1 is characterized in that: said energy source comprises solar thermal collector (101), stores the conduction oil storage heater (104) of solar radiation energy more than needed.
3. the solar cold chp system based on the ammoniacal liquor mixed working fluid as claimed in claim 2 is characterized in that: between said conduction oil storage heater (104) and steam generator (106), be connected with auxiliary heater (103).
4. the solar cold chp system based on the ammoniacal liquor mixed working fluid as claimed in claim 1; It is characterized in that: the end of bleeding of said bleeder turbine (110) is connected with injector (113); Suction comes the low pressure rich ammonia steam of flash-pot (112); Be connected with second condenser (118) between said injector (113) and second separator (119); The poor ammonia solution that the rich ammonia steam that blowing love dart (113) comes out comes out with second separator separates is condensed into ammoniacal liquor liquid in second condenser (118), this ammoniacal liquor liquid is through be back to steam generator (106) successively after backheat, preheating after the supercharging.
5. like claim 1 or 4 described solar cold chp systems based on the ammoniacal liquor mixed working fluid; It is characterized in that: the lower end of said first separation is connected with preheater (108); From poor ammonia solution step-down after the release heat in this preheater (108) that first separator (107) is separated; Mix with the rich ammonia exhaust steam of the discharge of bleeder turbine (110) then; Get in second separator (119) through the regenerator back that lowers the temperature again, poor ammonia solution in preheater preheating from regenerator (115) through the condensed ammoniacal liquor liquid of second condenser (118), then it is back to steam generator (106).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103273149A CN102435000B (en) | 2011-10-25 | 2011-10-25 | Solar energy system combined cooling and electricity based on ammonia water mixed refrigerant |
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| CN2011103273149A CN102435000B (en) | 2011-10-25 | 2011-10-25 | Solar energy system combined cooling and electricity based on ammonia water mixed refrigerant |
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| CN102435000A true CN102435000A (en) | 2012-05-02 |
| CN102435000B CN102435000B (en) | 2013-07-10 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797522A (en) * | 2012-08-28 | 2012-11-28 | 西安交通大学 | Medium-and-low-temperature waste-heat recovery system for realizing combined cold-power/ heat-power generation |
| CN102797524A (en) * | 2012-08-28 | 2012-11-28 | 西安交通大学 | Medium-and-low-temperature waste-heat utilization cooling/power combination system |
| CN103306763A (en) * | 2013-05-29 | 2013-09-18 | 上海盛合新能源科技有限公司 | Cooling power combined supplying system with ammonium hydroxide medium |
| CN103548759A (en) * | 2013-10-31 | 2014-02-05 | 无锡同春新能源科技有限公司 | Cooling device for throwing ice grains into crab culture pond applying chilled water made by solar energy |
| CN103775145A (en) * | 2014-01-15 | 2014-05-07 | 天津大学 | Organic Rankine circulating system with double-ejector supercharging device |
| CN104153834A (en) * | 2014-07-15 | 2014-11-19 | 天津大学 | Power generation and cooling hybrid system based on Kalina cycle |
| CN105928372A (en) * | 2016-04-19 | 2016-09-07 | 西安交通大学 | Organic working medium Rankine cycle power generation system for recycling sintering process complementary energy |
| CN105980667A (en) * | 2013-12-05 | 2016-09-28 | 丰田自动车株式会社 | Waste heat recovery apparatus |
| CN109763948A (en) * | 2018-12-25 | 2019-05-17 | 西安交通大学 | A kind of supercritical carbon dioxide solar heat power generation system and operation method |
| CN110081628A (en) * | 2019-04-30 | 2019-08-02 | 西安交通大学 | Trans-critical cycle CO with separator2Mixed working fluid back pressure injecting type combined cooling and power system |
| CN111912135A (en) * | 2020-07-16 | 2020-11-10 | 南方海洋科学与工程广东省实验室(湛江) | Two-stage injection combined cooling and power supply mixing and circulating system |
| CN114370719A (en) * | 2022-01-13 | 2022-04-19 | 山东大学 | Multi-combined supply system fully utilizing photovoltaic heat and geothermal energy and working method thereof |
| CN114458408A (en) * | 2020-11-09 | 2022-05-10 | 中国科学院广州能源研究所 | Solar-driven ammonia water double-adjustable ejector power generation system |
| CN114635765A (en) * | 2022-03-28 | 2022-06-17 | 西安热工研究院有限公司 | Novel energy storage and energy utilization system and method for storing heat by using retired coal-fired boiler |
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Cited By (23)
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| CN102797524A (en) * | 2012-08-28 | 2012-11-28 | 西安交通大学 | Medium-and-low-temperature waste-heat utilization cooling/power combination system |
| CN102797522A (en) * | 2012-08-28 | 2012-11-28 | 西安交通大学 | Medium-and-low-temperature waste-heat recovery system for realizing combined cold-power/ heat-power generation |
| CN102797524B (en) * | 2012-08-28 | 2015-04-29 | 西安交通大学 | Medium-and-low-temperature waste-heat utilization cooling/power combination system |
| CN102797522B (en) * | 2012-08-28 | 2015-10-28 | 西安交通大学 | A kind of Low and mid temperature heat recovery system realizing cold electricity/cogeneration of heat and power |
| CN103306763A (en) * | 2013-05-29 | 2013-09-18 | 上海盛合新能源科技有限公司 | Cooling power combined supplying system with ammonium hydroxide medium |
| CN103548759A (en) * | 2013-10-31 | 2014-02-05 | 无锡同春新能源科技有限公司 | Cooling device for throwing ice grains into crab culture pond applying chilled water made by solar energy |
| CN105980667A (en) * | 2013-12-05 | 2016-09-28 | 丰田自动车株式会社 | Waste heat recovery apparatus |
| CN105980667B (en) * | 2013-12-05 | 2017-07-28 | 丰田自动车株式会社 | Exhaust heat recovery apparatus |
| CN103775145A (en) * | 2014-01-15 | 2014-05-07 | 天津大学 | Organic Rankine circulating system with double-ejector supercharging device |
| CN104153834A (en) * | 2014-07-15 | 2014-11-19 | 天津大学 | Power generation and cooling hybrid system based on Kalina cycle |
| CN104153834B (en) * | 2014-07-15 | 2015-08-19 | 天津大学 | A kind of generating based on the circulation of card Linne, cooling association system |
| CN105928372A (en) * | 2016-04-19 | 2016-09-07 | 西安交通大学 | Organic working medium Rankine cycle power generation system for recycling sintering process complementary energy |
| CN105928372B (en) * | 2016-04-19 | 2018-12-07 | 西安交通大学 | A kind of organic rankie cycle electricity generation system recycling sintering process complementary energy |
| CN109763948A (en) * | 2018-12-25 | 2019-05-17 | 西安交通大学 | A kind of supercritical carbon dioxide solar heat power generation system and operation method |
| CN110081628A (en) * | 2019-04-30 | 2019-08-02 | 西安交通大学 | Trans-critical cycle CO with separator2Mixed working fluid back pressure injecting type combined cooling and power system |
| CN110081628B (en) * | 2019-04-30 | 2020-05-22 | 西安交通大学 | Transcritical CO with separator2Mixed working medium back pressure jet type combined cooling and power supply system |
| CN111912135A (en) * | 2020-07-16 | 2020-11-10 | 南方海洋科学与工程广东省实验室(湛江) | Two-stage injection combined cooling and power supply mixing and circulating system |
| CN111912135B (en) * | 2020-07-16 | 2021-10-15 | 南方海洋科学与工程广东省实验室(湛江) | Two-stage injection combined cooling and power supply mixing and circulating system |
| CN114458408A (en) * | 2020-11-09 | 2022-05-10 | 中国科学院广州能源研究所 | Solar-driven ammonia water double-adjustable ejector power generation system |
| CN114458408B (en) * | 2020-11-09 | 2023-06-09 | 中国科学院广州能源研究所 | Solar-driven ammonia water double-adjustable ejector power generation system |
| CN114370719A (en) * | 2022-01-13 | 2022-04-19 | 山东大学 | Multi-combined supply system fully utilizing photovoltaic heat and geothermal energy and working method thereof |
| CN114635765A (en) * | 2022-03-28 | 2022-06-17 | 西安热工研究院有限公司 | Novel energy storage and energy utilization system and method for storing heat by using retired coal-fired boiler |
| CN114635765B (en) * | 2022-03-28 | 2024-03-12 | 西安热工研究院有限公司 | Novel energy storage and energy utilization system and method for storing heat by utilizing retired coal-fired boiler |
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