CN102435000B - 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
- Publication number
- CN102435000B CN102435000B CN2011103273149A CN201110327314A CN102435000B CN 102435000 B CN102435000 B CN 102435000B CN 2011103273149 A CN2011103273149 A CN 2011103273149A CN 201110327314 A CN201110327314 A CN 201110327314A CN 102435000 B CN102435000 B CN 102435000B
- Authority
- CN
- China
- Prior art keywords
- steam
- separator
- ammoniacal liquor
- ammonia
- solar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- 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
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
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 is subjected to people's attention day by day.Occurring in nature exists and enriches solar energy, and development and use solar energy has important practical significance and the engineering using value for the consumption of alleviating problem of environmental pollution and minimizing fossil fuel.In addition, the user has diversity for the demand of the energy.
Existing solar utilization technique, mainly be that solar electrical energy generation and solar refrigeration divide for 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, 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 solar radiation as the energy input of whole system, by 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; Be the energy source of energy with solar energy, for whole solar cold chp system provides energy; First separator, the HTHP ammoniacal liquor moist steam that steam generator is produced is separated into rich ammonia steam and poor ammonia solution, wherein, rich ammonia steam is through bleeder turbine acting back generating, poor ammonia solution mixes through the rich ammonia exhaust steam of discharging with bleeder turbine after the decrease temperature and pressure successively, through entering second separator after the regenerator cooling, after condensation and step-down, produce refrigerating capacity finally by evaporimeter through the rich ammonia steam that second separator is separated then.
As the preferred embodiments of the present invention, described 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 described conduction oil storage heater and steam generator, be connected with auxiliary heater;
The end of bleeding of described bleeder turbine is connected with injector, suction comes the low pressure rich ammonia steam of flash-pot, be connected with second condenser between described injector and second separator, the poor ammonia solution that the rich ammonia steam that the self-injection device comes out is separated with second separator is condensed into ammoniacal liquor liquid in second condenser, this ammoniacal liquor liquid is through being back to steam generator successively after the supercharging after backheat, preheating;
The lower end of described first separator is connected with preheater, from poor ammonia solution that first separator is separated release heat and through after the step-down in this preheater, the rich ammonia exhaust steam of discharging with bleeder turbine mixes, enter in second separator after lowering the temperature again through regenerator 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, the efficiency of energy utilization height.
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 solar radiation as the energy input of whole system, by 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 not enough for solar radiation, in addition, adopt auxiliary heater as standby heat source, when the long-time deficiency of solar radiation, serve as thermal source and continue to provide energy 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 enters and is separated into rich ammonia steam and poor ammonia solution in first separator, and wherein rich ammonia steam enters bleeder turbine expansion acting and drives generator for electricity generation, the output electric energy.Drawing gas of turbine enters injector, and 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, be separated into rich ammonia steam and poor ammonia solution in second separator through entering after the regenerator cooling, wherein rich ammonia steam becomes rich ammonia liquid through first condenser condenses, then through after the second choke valve step-down, enter evaporation heat absorption in the evaporimeter, 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, absorb solar radiation, with 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 stores with the form of heat, 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 to provide energy to system 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 state of HTHP, ammonia vapor enters first separator 107 that links to each other with steam generator 106, be separated into rich ammonia steam and poor ammonia solution, wherein rich ammonia steam flows out from first separator, 107 tops, enter the bleeder turbine 110 expansion actings that link to each other with first separator 107, 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 enters preheater 108 release heat that link to each other with first separator 107, and preheating enters the ammoniacal liquor mixed working fluid of steam generator 106, reduces pressure by 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, enter regenerator 115 and second separator 119 that links to each other with regenerator 115 then successively.
Drawing gas of bleeder turbine 110 enters 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 is separated into rich ammonia steam and poor ammonia solution, wherein rich ammonia steam comes out to enter from second separator, 119 tops and is connected first condenser 114 with it, be condensed into rich ammonia liquid, enter 114 decompressions of second choke valve then, enter evaporimeter 112 evaporation heat absorptions, produce refrigerating capacity.
The poor ammonia solution that second separator 119 is separated enters 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, enter evaporimeter 106.
The above only is 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 solution of the present invention by 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;
Be the energy source of energy with solar energy, for whole solar cold chp system provides energy;
First separator (107), the HTHP ammoniacal liquor moist steam that steam generator (106) is produced is separated into rich ammonia steam and poor ammonia solution, wherein, rich ammonia steam is through bleeder turbine (110) acting back generating, poor ammonia solution mixes with the rich ammonia exhaust steam of the discharge of bleeder turbine (110) after decrease temperature and pressure successively, through entering second separator (119) behind the regenerator (115), the rich ammonia steam of separating through second separator (119) produces refrigerating capacity finally by evaporimeter (112) after condensation and step-down.
2. the solar cold chp system based on the ammoniacal liquor mixed working fluid as claimed in claim 1 is characterized in that: described 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: be connected with auxiliary heater (103) between described conduction oil storage heater (104) and steam generator (106).
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 described 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 described injector (113) and second separator (119), the poor ammonia solution that the rich ammonia steam that self-injection device (113) comes out is separated with second separator is condensed into ammoniacal liquor liquid in second condenser (118), this ammoniacal liquor liquid after supercharging successively through backheat, be back to steam generator (106) after the preheating.
5. as 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 described first separator 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, after lowering the temperature again, the process regenerator enters in second separator (119), 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103273149A CN102435000B (en) | 2011-10-25 | 2011-10-25 | Solar energy system combined cooling and electricity based on ammonia water mixed refrigerant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103273149A CN102435000B (en) | 2011-10-25 | 2011-10-25 | Solar energy system combined cooling and electricity based on ammonia water mixed refrigerant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102435000A CN102435000A (en) | 2012-05-02 |
| CN102435000B true CN102435000B (en) | 2013-07-10 |
Family
ID=45983213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103273149A Expired - Fee Related CN102435000B (en) | 2011-10-25 | 2011-10-25 | Solar energy system combined cooling and electricity based on ammonia water mixed refrigerant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102435000B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP6044529B2 (en) * | 2013-12-05 | 2016-12-14 | トヨタ自動車株式会社 | Waste heat recovery device |
| CN103775145A (en) * | 2014-01-15 | 2014-05-07 | 天津大学 | Organic Rankine circulating system with double-ejector supercharging device |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN114370719B (en) * | 2022-01-13 | 2023-03-31 | 山东大学 | Multi-combined supply system fully utilizing photovoltaic heat and geothermal energy and working method thereof |
| 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008045450B4 (en) * | 2008-02-01 | 2010-08-26 | Siemens Aktiengesellschaft | Method for operating a thermodynamic cycle and thermodynamic cycle |
| CN101319828B (en) * | 2008-07-01 | 2010-06-09 | 西安交通大学 | Absorption type refrigeration and power combined circulating system |
| CN201546768U (en) * | 2009-07-31 | 2010-08-11 | 王世英 | Low grade heat flux generating system |
| CN101915225B (en) * | 2010-08-16 | 2012-10-03 | 上海盛合新能源科技有限公司 | Solar ammonia water thermoelectric conversion system |
-
2011
- 2011-10-25 CN CN2011103273149A patent/CN102435000B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102435000A (en) | 2012-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102435000B (en) | Solar energy system combined cooling and electricity based on ammonia water mixed refrigerant | |
| CN110887278B (en) | Energy self-sufficient carbon dioxide combined cooling heating and power system for low-grade heat source | |
| CN108800628B (en) | Combined heat and power system based on solar thermochemical energy storage | |
| CN105673107A (en) | Trough and tower collecting compound driven supercritical carbon dioxide generating system and method | |
| CN102797522B (en) | A kind of Low and mid temperature heat recovery system realizing cold electricity/cogeneration of heat and power | |
| CN102094772B (en) | Solar energy-driven cogeneration device | |
| CN102563987A (en) | Vapor-compression refrigerating plant driven by organic Rankine cycle and method | |
| CN112762424B (en) | Solar thermoelectric coupling system based on combination of heat storage and compression heat pump and operation method thereof | |
| CN110030770A (en) | A kind of photovoltaic/photo-thermal coupled biological matter distributed energy resource system | |
| CN105840442A (en) | Complementary type supercritical carbon dioxide and organic Rankin union power generation system and method | |
| CN203396149U (en) | Solar two-stage ejection type refrigerating system with heat regenerator | |
| CN112814860B (en) | Circulating complementary cogeneration system of tower type solar photo-thermal power generation refrigerator and operation method thereof | |
| CN102312687A (en) | Solution cooling absorption type ammonia water motive power circulation device | |
| CN103471287A (en) | Renewable energy source complementary combined cooling heating and power system | |
| CN111735237B (en) | Well low temperature heat utilization merit cold joint system | |
| CN108361797B (en) | High-temperature heat storage type electric power peak regulation cogeneration waste heat recovery device and method | |
| CN110552750B (en) | Non-azeotropic organic Rankine-dual-injection combined cooling, heating and power system | |
| CN114738061A (en) | Solar auxiliary heating type compressed air energy storage system coupled with kalina circulation | |
| CN214199238U (en) | Oil field waste heat recovery system applying solar energy and lithium bromide heat pump | |
| CN203454466U (en) | Combined cooling-heating power cogeneration system capable of realizing complementation of renewable energy sources | |
| CN103090582A (en) | Supercharged three-phase absorbing type energy storage device | |
| CN202501677U (en) | Steam compression refrigeration device driven by organic Rankine cycle | |
| CN203081665U (en) | Distributed multistage solar energy power generation system | |
| CN116292200B (en) | Photo-thermal, compressed air and organic Rankine cycle comprehensive energy system | |
| CN104747389B (en) | A kind of liquefied natural gas gasifying system and method based on solar energy circulating generation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20151025 |
|
| EXPY | Termination of patent right or utility model |