CN203685323U - Solar energy and biomass combined organic Rankine cycle system - Google Patents
Solar energy and biomass combined organic Rankine cycle system Download PDFInfo
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- CN203685323U CN203685323U CN201320816680.5U CN201320816680U CN203685323U CN 203685323 U CN203685323 U CN 203685323U CN 201320816680 U CN201320816680 U CN 201320816680U CN 203685323 U CN203685323 U CN 203685323U
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Images
Classifications
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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
Abstract
The utility model provides a solar energy and biomass combined organic Rankine cycle system, and belongs to the technical field of energy and environment. The system comprises a heat transfer fluid loop, an organic working medium loop and a cooling water loop, wherein the heat transfer fluid loop consists of a solar energy heat collector, a heat fluid tank, a heat transfer fluid booster pump, an evaporator, a preheater, a heat transfer fluid booster pump, a biomass combustion furnace, a cold fluid tank and a heat transfer fluid booster pump; the organic working medium loop consists of the evaporator, the preheater, a turbine, an excitation generator, a condenser, a liquid storage tank, an organic working medium booster pump and a pipeline for connecting the evaporator, the preheater, the turbine, the excitation generator, the condenser, the liquid storage tank, and the organic working medium booster pump; the cooling water loop consists of the condenser, a cooling tower and a cooling water pump. The heat transfer fluid heated by sunlight in daytime is stored for use at night; besides, the solar energy heat collector and the biomass combustion furnace are arranged in parallel, and the load of the solar energy heat collector and the biomass combustion furnace is adjusted respectively according to the solar radiation strength, so that the fuel is saved to the maximum extent while the output electric energy is stable.
Description
Technical field
The utility model relates to a kind of solar energy and living beings alliance organic rankine cycle system, belongs to energy and environment technical field.
Background technique
Electrical production is being played the part of more and more important role in modern production life, can say that power supply is the bottleneck of entire society's development.Since oneth century, power industry depends critically upon fossil fuel all, although in recent years along with the application of the technology such as overcritical Rankine cycle, coal electrical efficiency progressively improves (state-of-the-art technology can reach nearly 50% the thermal efficiency in the world now), but power industry is still carbon dioxide and the main emission source of the serious environmental contaminants of sulfur dioxide, while is along with the exhaustion of fossil fuel, cost and the difficulty of exploitation can be increasing, therefore strengthen the dynamics to new energy development, reduce the dependence to fossil fuel, using the more clean energy is the present mankind's inevitable choice.
The radiation power of the sun reaches 3.8 x 1023kW, and wherein, the solar radiation flux of energy that the earth intercepts is 1.7x 1014kW, and than nuclear energy, underground heat and gravitational energy reserves summation are also wanted large more than 5000 times.It is estimated, the sun is radiated tellurian energy within January, and can support all non-renewable energy resources gross reserves including fossil fuel, atomic power etc. on the earth 10 times more than, solar energy is really inexhaustible, the nexhaustible energy.China belongs to the country that solar energy resources quite enriches, and a 2/3 area year sunshine duration of area is greater than 2200h, and unit area solar radiation total amount is higher than 5016MJ/m2.Therefore, research solar energy generation technology is significant to China and even the whole mankind's sustainable development.Solar electrical energy generation can, environment not being brought in any pollution and public hazards situation, convert solar energy into electrical energy, and solar electrical energy generation is described as following optimal generation mode.Press the difference of conversion regime, can be divided into photovoltaic generation and light-Re-two kinds of electricity mode, wherein, photovoltaic power generation technology is more ripe, but its efficiency is low, initial cost is high.
Biomass resource mainly refers to the solid waste that combustible component is contained in agricultural and woods industrial waste, livestock breeding industry ight soil and city.There is abundant biomass resource in China, and only the straw amount of abandoning is just up to 700,000,000 tons (calorific value is 10.2 × 1015kJ approximately) in China rural area according to statistics, and woods industrial waste nearly 200,000,000 tons (calorific value is 3.1 × 1015kJ approximately), still has a large amount of agricultural wastes such as rice husk, stalk.Recycled if these wastes are unreasonable, just can become ring harmful substances.Current biomass energy utilization technologies mainly contains: directly burning, and the heat that burning produces and steam can be used for generating, or to user's heat supply; Biogas technology, biogas can be used as living combustion gas and generating that living beings produce; Biomass gasification technology, the combustible gas that gasification is produced can be used for cooking, heating and drying corps, also can be used as the fuel of internal-combustion engine, gas turbine equal power device, output power or power; Biomass pyrolytic technology, is divided into destructive distillation water gas processed, charcoal processing and fast pyrogenation bio oil technology processed; Biomass liquefying technology.As a whole, agricultural and forest products industry living beings need absorbing carbon dioxide to carry out photosynthesis in growing process, the using energy source of this biolobic material and conversion system can not cause the increase of total carbon dioxide capacity in earth atmosphere, therefore, the research of biomass energy utilization technologies has become the focus of international community's new energy technology research.At present, the clean combustion technology of living beings, as production and use of marsh gas technology, Gasification Technology etc. have become ripe, and Related product is just progressively realized the sizing marketization.
Coupled low temperature solar energy and biomass energy build cogeneration system effectively, can realize between solar energy and biomass energy and having complementary advantages, and guarantee stability and the high efficiency of energy source conversion system, are expected to become the important technique measure that builds distributed energy supply system.
Summary of the invention
The purpose of this utility model is to provide a kind of solar energy and living beings alliance organic rankine cycle system, the form that adopts biomass combustion furnace and solar thermal collector to be arranged in parallel, the load that can regulate the two to bear according to solar irradiance intensity, prerequisite at stable output electric energy is issued to fuel saving to greatest extent, adopt heat-storing device simultaneously, improved the heat utilization efficiency of system.
Solving the scheme that technical problem of the present utility model adopts is: a kind of solar energy and living beings alliance organic rankine cycle system, comprise heat transfer fluid loop, organic working medium loop, chilled(cooling) water return (CWR), described heat transfer fluid loop is made up of solar thermal collector 1, hot fluid tank 2, thermal fluid compression pump 3, vaporizer 4, preheater 5, thermal fluid compression pump 6, biomass combustion furnace 7, cold fluid tank 8, thermal fluid compression pump 9, solar thermal collector 1 exports through pipeline and exports with cold fluid tank 8 respectively, 9 imports of thermal fluid compression pump, 2 imports of hot fluid tank, vaporizer 4 hot fluid side-entrances connect, hot fluid tank 2 exports through pipeline and is connected with 3 imports of thermal fluid compression pump, thermal fluid compression pump 3 exports through pipeline and is connected with vaporizer 4 hot fluid side-entrances, vaporizer 4 hot fluid side outlets are connected with preheater 5 hot fluid side-entrances through pipeline, preheater 5 hot fluid side outlets are connected with thermal fluid compression pump 6 and 8 imports of cold fluid tank respectively through pipeline, thermal fluid compression pump 6 exports through pipeline and is connected with biomass combustion furnace 7 thermal fluid imports, biomass combustion furnace 7 thermal fluid outlets are connected with vaporizer 4 hot fluid side-entrances through pipeline, cold fluid tank 8 exports through pipeline and is connected with 9 imports of thermal fluid compression pump, and thermal fluid compression pump 9 exports through pipeline and is connected with solar thermal collector 1 import, organic working medium loop is by vaporizer 4, preheater 5, turbine 10, excitation generator 11, condenser 12, liquid container 13, organic working medium compression pump 14 and the pipeline that they are connected form, vaporizer 4 cold fluid side outlets are connected with turbine 10 imports and condenser 12 hot fluid side-entrances through pipeline, turbine 10 exports through pipeline and is connected with condenser 12 hot fluid side-entrances, condenser 12 hot fluid side outlets are connected with liquid container 13 imports through pipeline, liquid container 13 exports through pipeline and is connected with 14 imports of organic working medium compression pump, organic working medium compression pump 14 exports through pipeline and is connected with preheater 5 cold fluid side-entrances, preheater 5 cold fluid side outlets are connected with vaporizer 4 cold fluid side-entrances through pipeline, turbine 10 output shafts are connected with excitation generator 11, chilled(cooling) water return (CWR) is made up of condenser 12, cooling tower 15, cooling waterpump 16, cooling waterpump 16 is connected between cooling tower 15 outlets and condenser 12 cold fluid side-entrances by pipeline, and condenser 12 cold fluid side outlets are connected with cooling tower upper end water distributor through pipeline.
The fuel that described biomass combustion furnace 7 uses is fuel diesel, heavy oil, methyl alcohol, ethanol, methane, rock gas, coal gas, dimethyl ether, biomass fuel or the fuel (as biodiesel, gasification of biomass combustible gas) be made up of living beings.
In described organic working medium loop, organic working medium is any one or several any mixture in R123, R245fa, toluene, butane, isobutane, pentane, isopentane, cyclopentane, heptane, R113, R11, cyclohexane, benzene, ortho-xylene, ethylo benzene, 6 methyl 2 siloxane, 8 methyl 3 siloxane, 10 methyl 4 siloxane, 12 methyl 5 siloxane, R134a, R227ea.
Described heat transfer fluid loop heat-transfer working medium is conduction oil.
Described hot fluid tank 2 adopts cylindrical metal tank, and outside installs thermal insulating material additional.
The utility model is according to the selected fuel type of biomass combustion furnace, the selected selected working medium kind in working medium kind, organic working medium loop of heat transfer fluid loop, and generate output is on demand installed biomass combustion furnace, solar thermal collector, thermal fluid compression pump, hot fluid tank, cold fluid tank, turbine, excitation generator, vaporizer, preheater, condenser, liquid container, working medium compression pump, cooling tower, cooling waterpump and pipeline and accessory; According to the charging amount of each pipeline volume calculations cycle fluid, cycle fluid metering is filled with in circulation loop.
Working principle of the present utility model is: from solar thermal collector 1 thermal fluid being heated out lead up to pipeline with mix from cold fluid tank 8 thermal fluid out, reach the effect to cold fluid preheating, one tunnel can enter in hot fluid tank 2 and store (in the time that solar irradiance intensity is excessive), another road enters vaporizer 4, the hot fluid simultaneously storing in hot fluid tank 2 can pressurize through thermal fluid compression pump 3 when needed, equally also enter vaporizer 4, thermal fluid is passed to organic working medium by heat in vaporizer 4, make out to enter preheater 5 from vaporizer 4 after its evaporation, in preheater 5, same release heat is carried out preheating to the organic working medium that is about to enter in vaporizer 4, then from preheater 4 out, now, the load of bearing respectively according to solar thermal collector 1 and biomass combustion furnace 7, thermal fluid one tunnel enters release heat in vaporizer 4 enter biomass combustion furnace 7 heating after 6 pressurizations of thermal fluid compression pump after equally, another road enters cold fluid tank 8, then after out mixing with the thermal fluid being heated by solar thermal collector 1 cold fluid tank 8, after thermal fluid compression pump 9 pressurizes, enters in solar thermal collector 1 and is heated, and completes a heat transfer fluid loop circulation, from vaporizer 4 organic working medium steam one tunnel out enters turbine 10 expansion actings, turbine 10 is exported shaft work and is driven excitation generator 11 rotation generatings, in the time that vapor pressure is not enough, directly enter condenser 12 condensations from another road, equally also enter condenser 12 from turbine 10 exhaust steam out and be condensed into liquid, then out enter liquid container 13 from condenser 12, then being pressurizeed by organic working medium compression pump 14 from liquid container 13 liquid out, enter preheater 5 preheating of absorbing heat, then reenter vaporizer 4 heat absorption evaporations, complete an organic working medium circuit cycle, be delivered to condenser 12 from cooling tower 15 cooling water out through cooling waterpump 16 working medium organic working medium loop carried out to condensation, return to afterwards the water distributor of cooling tower 15, through supercooling laggard enter water-collecting tray at the bottom of tower, complete a chilled(cooling) water return (CWR) circulation.
The layout that native system adopts solar thermal collector and biomass combustion furnace to be arranged in parallel has heat-storing device simultaneously, has following beneficial effect:
(1) can regulate more easily the load of solar thermal collector and biomass combustion furnace;
(2) can stably export electric energy;
(3) can, at solar irradiance peak heat energy storage, in the time that solar radiation is faint, discharge heat energy, in having improved the lasting energy supply ability of system, save to greatest extent fuel;
(4) improved generating efficiency compared with ordinary water steam Rankine power generation cycle;
(5) greatly reduced power generation process harmful matter CO
x, SO
xgeneration and discharge;
(6) can by low density solar energy very abundant resource and multiple low grade fuel-efficient be converted into electric energy;
(7) be convenient to realize personalized power generation system, be applicable to some should not centrally connected power supply or the not enough area of power supply electric power is provided, as mountain area, pastoral area, fragmentary island, the farmers' of living scattered, remote geological park, to the high military base of power supply safety requirement etc.
Brief description of the drawings
Fig. 1 is the utility model system architecture schematic diagram.
In figure, each label is: 1-solar thermal collector, 2-hot fluid tank, 3-thermal fluid compression pump, 4-vaporizer, 5-preheater, 6-thermal fluid compression pump, 7-biomass combustion furnace, 8-cold fluid tank, 9-thermal fluid compression pump, 10-turbine (or decompressor), 11-excitation generator, 12-condenser, 13-liquid container, 14-organic working medium compression pump, 15-cooling tower, 16-cooling waterpump.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further elaborated.
Embodiment 1: a solar energy and living beings alliance organic rankine cycle system are built in somewhere, and output power of motor is 20kW.
This solar energy and living beings alliance organic rankine cycle system, comprise heat transfer fluid loop, organic working medium loop, chilled(cooling) water return (CWR), described heat transfer fluid loop is made up of solar thermal collector 1, hot fluid tank 2, thermal fluid compression pump 3, vaporizer 4, preheater 5, thermal fluid compression pump 6, biomass combustion furnace 7, cold fluid tank 8, thermal fluid compression pump 9, solar thermal collector 1 exports through pipeline and exports with cold fluid tank 8 respectively, 9 imports of thermal fluid compression pump, 2 imports of hot fluid tank, vaporizer 4 hot fluid side-entrances connect, hot fluid tank 2 exports through pipeline and is connected with 3 imports of thermal fluid compression pump, thermal fluid compression pump 3 exports through pipeline and is connected with vaporizer 4 hot fluid side-entrances, vaporizer 4 hot fluid side outlets are connected with preheater 5 hot fluid side-entrances through pipeline, preheater 5 hot fluid side outlets are connected with thermal fluid compression pump 6 and 8 imports of cold fluid tank respectively through pipeline, thermal fluid compression pump 6 exports through pipeline and is connected with biomass combustion furnace 7 thermal fluid imports, biomass combustion furnace 7 thermal fluid outlets are connected with vaporizer 4 hot fluid side-entrances through pipeline, cold fluid tank 8 exports through pipeline and is connected with 9 imports of thermal fluid compression pump, and thermal fluid compression pump 9 exports through pipeline and is connected with solar thermal collector 1 import, organic working medium loop is by vaporizer 4, preheater 5, turbine 10, excitation generator 11, condenser 12, liquid container 13, organic working medium compression pump 14 and the pipeline that they are connected form, vaporizer 4 cold fluid side outlets are connected with turbine 10 imports and condenser 12 hot fluid side-entrances through pipeline, turbine 10 exports through pipeline and is connected with condenser 12 hot fluid side-entrances, condenser 12 hot fluid side outlets are connected with liquid container 13 imports through pipeline, liquid container 13 exports through pipeline and is connected with 14 imports of organic working medium compression pump, organic working medium compression pump 14 exports through pipeline and is connected with preheater 5 cold fluid side-entrances, preheater 5 cold fluid side outlets are connected with vaporizer 4 cold fluid side-entrances through pipeline, turbine 10 output shafts are connected with excitation generator 11, chilled(cooling) water return (CWR) is made up of condenser 12, cooling tower 15, cooling waterpump 16, cooling waterpump 16 is connected between cooling tower 15 outlets and condenser 12 cold fluid side-entrances by pipeline, and condenser 12 cold fluid side outlets are connected with cooling tower upper end water distributor through pipeline.
Biomass combustion furnace 7 fuel adopt combustible gas that stalk gasification stove produces, and thermal fluid adopts the synthetic conduction oil Therminol VP-1 of the first promise of excellent stability; Hot fluid tank 2 and cold fluid tank 8 are the cylindrical steel container made of diameter 2m, high 4m, outer parcel thermoinsulation material.Thermal fluid compression pump high temperature oil pump, vaporizer 4 adopts plate type heat exchanger with preheater 5, solar thermal collector 1 adopts bushing type vacuum-tube heat-pipe solar thermal collector, the diameter of the heat collecting pipe of bushing type vacuum-tube heat-pipe solar thermal collector is 6.5cm, length is 1.7m, every group 10, couple together with the sleeve pipe that diameter is 50cm, totally 5 groups, by the order of export-hot fluid of solar thermal collector 1 tank 2--thermal fluid compression pump 3-vaporizer 4-preheater 5-thermal fluid compression pump 6-biomass combustion furnace 7-cold fluid tank 8-thermal fluid compression pump 9-solar thermal collector 1 import, oil circuit is connected with hot galvanized steel pipe.
Organic working medium loop working medium is R123, and turbine (decompressor) adopts IT10 screw type decompressor, and net power output is 10Kw; Organic working medium loop expander inlet power pressure is 0.97MPa, 110 DEG C of temperature; Condenser 12 adopts plate type heat exchanger, and organic working medium compression pump adopts high-pressure masked pump.Organic working medium loop order is: 13 imports of export-organic working medium of liquid container 13 compression pump 14-preheater 5-vaporizer 4-turbine 10-excitation generator 11-condenser 12-liquid container.With copper tube, loop is installed respectively.
It is 20m that cooling tower 15 is selected cooling water circulation flow
3the low form cooling tower LBCM-20 of/h, cooling waterpump 16 is selected 12KQL50/100-1.1/2 model, cooling water pipeline adopts seamless steel pipe, and the order of connection is: cooling tower 15 exports--and cooling waterpump 16-condenser 12-cooling tower 15 import orders install chilled(cooling) water return (CWR) and required accessory.
Above all devices and equipment part are pressed Fig. 1 and are connected, and after installation, carry out the nitrogen blowing of pipeline, to organic working medium vacuum-pumping loop, and in respective line, are filled with R123, conduction oil and tap water on request respectively.
Embodiment 2: this solar energy is identical with embodiment 1 with living beings alliance organic rankine cycle system, and the working medium in organic working medium loop adopts R245fa.
Embodiment 3: this solar energy is identical with embodiment 1 with living beings alliance organic rankine cycle system, and the working medium in organic working medium loop adopts R123, R245, butane, mixes respectively by 30%, 25%, 45% volume ratio.
By reference to the accompanying drawings specific embodiment of the utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skill in the art, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (2)
1. solar energy and a living beings alliance organic rankine cycle system, is characterized in that: comprise heat transfer fluid loop, organic working medium loop, chilled(cooling) water return (CWR), described heat transfer fluid loop is made up of solar thermal collector (1), hot fluid tank (2), thermal fluid compression pump (3), vaporizer (4), preheater (5), thermal fluid compression pump (6), biomass combustion furnace (7), cold fluid tank (8), thermal fluid compression pump (9), solar thermal collector (1) outlet exports with cold fluid tank (8) respectively through pipeline, thermal fluid compression pump (9) import, hot fluid tank (2) import, vaporizer (4) hot fluid side-entrance connects, hot fluid tank (2) outlet is connected with thermal fluid compression pump (3) import through pipeline, thermal fluid compression pump (3) outlet is connected with vaporizer (4) hot fluid side-entrance through pipeline, vaporizer (4) hot fluid side outlet is connected with preheater (5) hot fluid side-entrance through pipeline, preheater (5) hot fluid side outlet is connected with thermal fluid compression pump (6) and cold fluid tank (8) import respectively through pipeline, thermal fluid compression pump (6) outlet is connected with biomass combustion furnace (7) thermal fluid import through pipeline, the outlet of biomass combustion furnace (7) thermal fluid is connected with vaporizer (4) hot fluid side-entrance through pipeline, cold fluid tank (8) outlet is connected with thermal fluid compression pump (9) import through pipeline, and thermal fluid compression pump (9) outlet is connected with solar thermal collector (1) import through pipeline, organic working medium loop is by vaporizer (4), preheater (5), turbine (10), excitation generator (11), condenser (12), liquid container (13), organic working medium compression pump (14) and the pipeline that they are connected form, vaporizer (4) cold fluid side outlet is connected with turbine (10) import and condenser (12) hot fluid side-entrance through pipeline, turbine (10) outlet is connected with condenser (12) hot fluid side-entrance through pipeline, condenser (12) hot fluid side outlet is connected with liquid container (13) import through pipeline, liquid container (13) outlet is connected with organic working medium compression pump (14) import through pipeline, organic working medium compression pump (14) outlet is connected with preheater (5) cold fluid side-entrance through pipeline, preheater (5) cold fluid side outlet is connected with vaporizer (4) cold fluid side-entrance through pipeline, turbine (10) output shaft is connected with excitation generator (11), chilled(cooling) water return (CWR) is made up of condenser (12), cooling tower (15), cooling waterpump (16), cooling waterpump (16) is connected between cooling tower (15) outlet and condenser (12) cold fluid side-entrance by pipeline, and condenser (12) cold fluid side outlet is connected with cooling tower upper end water distributor through pipeline.
2. solar energy according to claim 1 and living beings alliance organic rankine cycle system, is characterized in that: described hot fluid tank (2) adopts cylindrical metal tank, and outside installs thermal insulating material additional.
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| CN201320816680.5U CN203685323U (en) | 2013-12-13 | 2013-12-13 | Solar energy and biomass combined organic Rankine cycle system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670551A (en) * | 2013-12-13 | 2014-03-26 | 昆明理工大学 | Combined solar energy and biomass organic Rankine circulation system |
| CN104265386A (en) * | 2014-09-15 | 2015-01-07 | 郑州大学 | Solar water heater power generation device and using method thereof |
| CN104265384A (en) * | 2014-08-12 | 2015-01-07 | 东南大学 | Organic Rankine cycle device by adopting longitudinal vortex to overcome non-azeotropic working medium heat transfer deterioration |
| CN105275516A (en) * | 2015-10-16 | 2016-01-27 | 衢州学院 | Small distributive biomass power generating system |
-
2013
- 2013-12-13 CN CN201320816680.5U patent/CN203685323U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670551A (en) * | 2013-12-13 | 2014-03-26 | 昆明理工大学 | Combined solar energy and biomass organic Rankine circulation system |
| CN103670551B (en) * | 2013-12-13 | 2015-12-09 | 昆明理工大学 | A kind of solar energy and living beings alliance organic rankine cycle system |
| CN104265384A (en) * | 2014-08-12 | 2015-01-07 | 东南大学 | Organic Rankine cycle device by adopting longitudinal vortex to overcome non-azeotropic working medium heat transfer deterioration |
| CN104265386A (en) * | 2014-09-15 | 2015-01-07 | 郑州大学 | Solar water heater power generation device and using method thereof |
| CN105275516A (en) * | 2015-10-16 | 2016-01-27 | 衢州学院 | Small distributive biomass power generating system |
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