WO2014003491A1 - Concentrated solar power generation system - Google Patents

Concentrated solar power generation system Download PDF

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Publication number
WO2014003491A1
WO2014003491A1 PCT/KR2013/005775 KR2013005775W WO2014003491A1 WO 2014003491 A1 WO2014003491 A1 WO 2014003491A1 KR 2013005775 W KR2013005775 W KR 2013005775W WO 2014003491 A1 WO2014003491 A1 WO 2014003491A1
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WO
WIPO (PCT)
Prior art keywords
heat
steam
fruit
solar power
collector
Prior art date
Application number
PCT/KR2013/005775
Other languages
French (fr)
Korean (ko)
Inventor
김진영
이수자
김현지
Original Assignee
Kim Jin Yung
Lee Soo Ja
Kim Hyun Ji
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kim Jin Yung, Lee Soo Ja, Kim Hyun Ji filed Critical Kim Jin Yung
Priority to CN201380043870.0A priority Critical patent/CN104583686A/en
Publication of WO2014003491A1 publication Critical patent/WO2014003491A1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00Devices for producing mechanical power from solar energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00Devices for producing mechanical power from solar energy
    • F03G6/06Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/065Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
    • F03G6/067Binary cycle plants where the fluid from the solar collector heats the working fluid via a heat exchanger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00Solar heat collectors specially adapted for particular uses or environments
    • F24S20/20Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/30Arrangements for concentrating solar-rays for solar heat collectors with lenses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/30Arrangements for concentrating solar-rays for solar heat collectors with lenses
    • F24S23/31Arrangements for concentrating solar-rays for solar heat collectors with lenses having discontinuous faces, e.g. Fresnel lenses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S30/40Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/45Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
    • F24S30/452Vertical primary axis
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/46Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/47Mountings or tracking

Definitions

  • the present invention relates to a system for generating power using condensing solar heat, and more particularly, to generate superheated steam of high temperature and high pressure by condensing light energy radiated from the sun, and generating heat from the saturated steam generated through heat exchange. It relates to a concentrated solar power system.
  • Renewable energy is energy used by converting existing fossil fuels or converting renewable energy including sunlight, water, geothermal energy, and bioorganisms. This is characterized by future energy sources for sustainable energy supply systems. Renewable energy has grown in importance due to oil price instability and the regulatory response to the climate Change Convention. Renewable energy includes solar heat, solar light, biomass, wind power, hydrophobic power, geothermal energy, marine energy, waste energy, etc., and new energy includes fuel cells, coal liquefied gasification, hydrogen energy, and the like.
  • renewable energy in particular, the cost of producing electricity from solar power has a problem that is less than the grid parity that is balanced with the existing cost of thermal power generation using fossil fuels.
  • Korean Patent Publication No. 10-0666056 is a plurality of light reflecting mirrors 12 to reflect the light source of the sun continuously through the fixing bracket 14 reflector
  • the light reflection plate 10 installed at a certain height on the support 16 and the nuclei of sunlight that are primarily reflected by the respective light reflection mirrors 12 are secondly reflected through the front condenser lens 24 to generate power.
  • Disclosed is to include a plurality of collectors 20 in which a steam generating tank 30 is formed behind the condenser lens 24 so as to generate steam by heating water passing therethrough while concentrating and collecting the heat evenly.
  • the light reflector including a plurality of light reflector is installed, and the collector is installed at a certain distance from the light reflector, so that a large area for condensing is required, the cost of installation increases, and the light reflector and the collector are located at a certain distance. Fixed, there is a disadvantage that heat loss occurs and the light collection efficiency is lowered.
  • Republic of Korea Patent Publication No. 10-0931400 is provided on the top of the holding base 101, the drive unit 110 for operating the heat collecting portion up, down, left and right; A heat collecting unit 120 which is operated by the operation of the driving unit 110 and collects sunlight to heat the heating unit; And a heating unit 140 provided at the front end of the heat collecting unit 120 to heat and heat the water circulating therein.
  • the solar heat collecting device 100 is disclosed. This is a structure in which a plurality of heat collecting portion formed in the shape of a plate toward the heating portion to heat the water is condensing efficiency is low, causing heat loss, and also has a disadvantage in that the water heating effect due to the heat collection.
  • Korean Patent Publication No. 10-2010-0100276 discloses that solar heat reflected from a plurality of reflectors is collected in a heat collector installed at an upper side of a tower to heat a heating medium, and the steam is heated by the heated heating medium.
  • the reflector is formed in a support reflector which is installed at the center of the bridge and is protruded into a bridge supporting the bridge. .
  • This requires a large area of space in order to install a tower and a plurality of reflectors installed in the collector, the cost of the installation increases, the reflector and the collector is fixed at a certain distance has a disadvantage of low heat loss and light collection efficiency.
  • Korean Patent Laid-Open Publication No. 10-2012-0084169 discloses a Fresnel lens having a square shape, which collects solar heat in one place and generates high heat, and a high temperature generated by the Fresnel lens.
  • Steam generator for conducting the heating fluid to generate steam the steam turbine is connected to the steam generator and the steam pipe is supplied to the steam generator to rotate the turbine to generate a rotational force, the steam turbine is connected to the steam turbine
  • the generator consists of a generator that receives the power generation. This is because the steam generator is installed at a certain distance from the square Fresnel, it is disadvantageous to secure the space for installation, there is a problem that the power generation can not be generated without the sun and low power generation efficiency due to condensing.
  • the solar power generation system of the prior arts has exposed problems such as condensation and power generation efficiency deterioration, as well as a problem of securing space due to installation.
  • the present invention is to solve the above problems, while efficiently collecting the solar light while tracking the sun, by heating the collector with the concentrated solar energy to generate a high temperature superheated steam, and stores the generated superheated steam in the heat storage tank
  • the purpose is to generate steam by heat exchange the latent heat of the heat storage tank to drive the steam turbine to generate electricity.
  • Another object of the present invention is to improve power collection and heating efficiency and to generate power even in a time when light energy is not supplied from the sun due to thermal energy storage by the ondol method.
  • Another object of the present invention is to increase energy supply and expansion of renewable energy by producing energy having high efficiency compared to cost according to installation of a solar power generation system.
  • the present invention collects sunlight from one or more assembled collectors while tracking the sun to heat the fruit (Heating Medium) supplied to the collector by heating a collector located at a predetermined distance from the collector.
  • a heat collecting device for generating a superheated steam of;
  • a heat storage device for storing heat by heating the heat storage tank of the ondol method with the superheated steam generated by the heat collecting device;
  • a heat exchanger for exchanging heat with a saturated steam of high temperature and high pressure capable of driving a generator by operating a steam turbine with heat stored in the heat storage device, and supplying low-temperature fruit to the heat collecting device and the heat storage device, It is characterized by providing a condensing solar power generation system that consists of a fruit tank to store.
  • the condenser is a biconvex lens condenser in which a pair of hemispherical transparent plates are bonded, a flat convex lens condenser in which a flat transparent plate is bonded to a hemispherical transparent plate, or irregularities are formed on one surface thereof to provide point focus. It may include any one of the Fresnel lens condenser to form.
  • the biconvex lens condenser and the flat convex lens condenser are respectively fixed to a fixing member in a rectangular frame, and salt is melted through the injection hole in the inner space formed by the bonding of the transparent plate.
  • the expansion bag for absorbing the expansion of the transparent plate by the volume expansion of the brine injected between the transparent plate is provided on the top, a plurality of vent holes for adjusting the wind pressure may be formed through.
  • the heat collecting device is a grating network shape formed with a plurality of gratings on a plane, a case for fixing the light collector in the grating, a support bar coupled to the case to support the heat collector located below the case, and the case Posts installed on a base plate fixed to the ground, the stand is coupled to a vertical motor for supporting the center of both sides by a hinge coupling and the case is rotated, a horizontal motor is coupled to the bottom of the stand and rotates the rotating roller, and It may include a water supply pipe for supplying the fruit to the collector, a steam pipe for supplying the fruit discharged from the collector, and a pipe support for supporting the steam drum for temporarily storing the fruit supplied from the steam pipe.
  • a vertical solar sensor for detecting the altitude of the sun is mounted on the top of the case
  • a horizontal solar sensor for detecting the azimuth angle of the sun is mounted on the front of the post
  • the vertical solar sensor on the post An electronic control panel may be mounted to receive the detection signal of the horizontal solar sensor to drive the vertical motor or the horizontal motor so that the case is perpendicular to the sun.
  • the heat storage tank is built in a heat storage material containing a quartz arm and sand, the spiral or zigzag type superheated steam pipe for supplying superheated steam in the heat collecting device is piped, spiral or zigzag supplying fruit from the fruit tank
  • the mold fruit supply pipe can be piped.
  • the auxiliary heat source further comprises a boiler for burning the wood pellets or waste-molded solid fuel to generate and supply the superheated steam, the boiler supplies the generated superheated steam to the heat storage device through the pipe and the fruit tank Fruit can be fed through the pipe.
  • the heat exchange device includes a water purification tank for storing the water condensed through the condenser in the steam turbine and the water purified from the outside through a water purifier, the fruit supplied through the pipe in the heat storage tank of the heat storage device
  • the water supplied through the piping in the water purification tank is heat-exchanged, and a preheater for preheating the water to a predetermined temperature, a steam generator for generating the preheated water in the preheater as saturated steam, and a heater for heating the saturated steam of the steam generator are sequentially installed.
  • a preheater for preheating the water to a predetermined temperature
  • a steam generator for generating the preheated water in the preheater as saturated steam
  • a heater for heating the saturated steam of the steam generator are sequentially installed.
  • the fruit may include molten saline or mixed antifreeze.
  • the temperature of the superheated steam heated in the collector may be 800 ⁇ 1,200 °C.
  • the collector is a cylindrical cylindrical first graphite tube installed in the inner center, a cylindrical second graphite tube provided at a predetermined interval outside the graphite tube, and coupled to the outer peripheral surface of the second graphite tube is heat
  • the second graphite tube and the disc-shaped second graphite plate and the cylindrical third ceramic insulating material laminated on the bottom surface of the second graphite tube and the first ceramic insulating material, and the housing coupled to the outer circumferential surfaces of the first ceramic insulating material and the third ceramic insulating material are integrally coupled, and Water pipes and steam pipes may be connected to the collector side.
  • irregularities may be formed on the outer circumferential surface of the first graphite tube and the inner circumferential surface of the second graphite rod.
  • the solar energy can be collected at a short focal length with a high efficiency concentrator while tracking the sun, thereby minimizing heat loss, thereby increasing condensing efficiency, and generating high temperature superheated steam in the collector, thereby generating heat in the ondol type heat storage tank.
  • the latent heat can be used at night or in rainy weather, and the steam turbine can be operated by the saturated steam generated by exchanging the latent heat of the heat storage tank for continuous development, and the heating and cooling or cooking of food by the saturated steam generated by the heat exchange can be achieved.
  • FIG. 1 is a configuration diagram schematically showing a concentrating solar power generation system according to an embodiment of the present invention.
  • FIGS 2 to 4 are front and side views showing various embodiments of the light collector in the light collecting solar power generation system according to the present invention.
  • FIG. 5 is a front view showing a heat collecting device in a light collecting solar power generation system according to the present invention.
  • FIG. 6 is a side view showing a heat collecting device in a light collecting solar power generation system according to the present invention.
  • FIG. 7 is a plan view showing a heat collecting device in a light collecting solar power generation system according to the present invention.
  • FIG. 8 is a perspective view illustrating a stand and a post of the heat collecting device in the light collecting solar power generation system according to the present invention.
  • 9 and 10 are a perspective view and a cross-sectional view showing a collector of the heat collecting device in the light collecting solar power generation system according to the present invention.
  • the present invention provides a heat collecting device 1 for collecting and collecting solar light, a heat storage device 2 for storing heat generated by the heat collecting device, and steam generated by heat exchange of heat stored in the heat storage device. It can be divided into a heat exchanger (3) to operate the steam turbine to generate electrical energy.
  • the collector 1 collects sunlight while tracking the sun.
  • one or more light collectors 10 for collecting sunlight are assembled to a case 17 having a grid shape.
  • the collector 70 is positioned at a predetermined distance from the collector 10. That is, it is preferable that one collector 70 is provided in one collector 10.
  • the collector 70 is formed with a flow into which the fruit (Heating Medium) flows in and out to heat the fruit with heat collected in the collector. At this time, the fruit is heated to become a high temperature superheated steam (Superheated Steam).
  • a biconvex lens condenser 10 having a pair of hemispherical transparent plates 11a and 11b bonded thereto is provided.
  • the biconvex lens condenser 10 is fixed by a fixing member 14 including a section steel, a bolt, a nut, and the like in a lattice frame of a case 17 having a grid shape.
  • the biconvex lens condenser 10 is injected with the brine 15 through the injection hole 12 into the inner space formed by the bonding of the pair of hemispherical transparent plate (11a, 11b).
  • the injection hole 12 is preferably sealed with a stopper after injecting the brine 15.
  • the brine 15 is a molten salt of a certain weight.
  • An expansion bag 13 is provided on the biconvex lens condenser 10.
  • the expansion bag 13 is bonded to the biconvex lens condenser 10 so that the brine is cooled in the winter between the transparent plates into which the brine is injected, so that when the volume expands, the transparent plate increases and absorbs the transparent plate.
  • a plurality of vent holes 16 may be formed to pass through the wind. Accordingly, the biconvex lens condenser 10 collects and transmits the solar light incident by the brine filled in the space formed between the pair of hemispherical transparent plates 11a and 11b at a predetermined focal length.
  • the spherical curvature of the transparent plates 11a and 11b may be variously changed to improve the light condensing efficiency of sunlight.
  • the transparent plates 11a and 11b may be filled with a liquid, a solid, or a gas for high efficiency light collection.
  • the transparent plate of the biconvex lens condenser 10 is preferably a material such as polycarbonate resistant to heat.
  • a flat convex lens light collector 50 in which a flat transparent plate 51a is bonded to a hemispherical transparent plate 51b is provided.
  • the flat convex lens condenser 50 is fixed by a fixing member 54 including a section steel, a bolt, a nut, and the like in a lattice frame of the case 17 having a grid shape.
  • the flat convex lens condenser 50 has a saline solution 55 through one of the injection holes 52 in the inner space formed by the bonding of the flat transparent plate 51a on one side and the hemispherical transparent plate 51b on the other side. Is injected.
  • the injection hole 52 may be sealed with a stopper after injecting the brine 55.
  • the brine 55 is a molten salt of a certain weight. This prevents salt water from freezing in winter.
  • An expansion bag 53 is provided at one side of the flat convex lens condenser 50. The expansion bag 53 is bonded to the biconvex lens condenser 50 to allow the brine to be absorbed as the transparent plate increases when the brine is cooled in winter and the volume expands between the transparent plates into which the saline is injected.
  • a plurality of vent holes 56 may be formed to pass through the wind.
  • the flat convex lens condenser 50 collects and transmits the sunlight incident to the space formed by the brine filled in the space formed between the hemispherical transparent plate 51b and the flat transparent plate 51a at a predetermined focal length.
  • the spherical curvature of the hemispherical transparent plate 51b may be variously changed to improve the light condensing efficiency of sunlight.
  • the transparent plates 51a and 51b may be filled with a liquid, a solid, or a gas for high efficiency light collection.
  • the transparent plate of the flat convex lens condenser 50 may be made of a material such as polycarbonate that is resistant to heat.
  • a Fresnel lens light collector 61 is provided in which irregularities are formed on one surface to form a point focus.
  • the Fresnel lens condenser 61 is fixed by a fixing member 64 including a section steel, a bolt, a nut, and the like in a lattice frame of the case 17 having a grid shape.
  • Fresnel lens condenser 61 is formed in a roughly jagged shape on one surface to form a point focus.
  • a plurality of vent holes 66 may be formed to pass through the wind. According to the width or height of the unevenness formed in the Fresnel lens condenser 61, incident light is focused and transmitted at a predetermined focal length. Therefore, the convex-concave structure of the Fresnel lens condenser 61 may be variously changed to improve the light condensing efficiency of the sunlight.
  • the Fresnel lens condenser 61 is preferably made of a material such as heat resistant glass, polycarbonate, or the like.
  • the heat collecting device 1 is provided with a case 17 fixedly coupled to the light collector in the grating in the shape of a grating network having a plurality of gratings formed on a plane.
  • the top of the case 17 is mounted with a vertical solar sensor 27 for detecting the altitude of the sun.
  • the case 17 is coupled to a stand 25 that supports both side centers by hinge coupling and rotates the case 17.
  • the stand 25 is fixedly supported so that the case 17 can be rotated in a substantially U shape.
  • the vertical motor 26 is mounted on the side of the stand 25 so that the case 17 hinged to the inside of the stand 25 is vertically rotated.
  • the post 18 for fixing and holding the stand 25 from the ground is coupled.
  • the post 18 is mounted on the base plate 19 fixed to the ground.
  • the rotary roller 24 is coupled to the upper part of the post 18.
  • the horizontal motor 29 is mounted to the post 18 to rotate the rotary roller 24 horizontally.
  • a horizontal solar sensor 28 for sensing the azimuth of the sun.
  • the post 18 receives the detection signals of the vertical photovoltaic sensor 27 and the horizontal photovoltaic sensor 28 so that the case 17 is perpendicular to the sun so that the vertical motor 26 and / or the horizontal motor ( An electronic control panel 30 for driving 29 is mounted.
  • a plurality of support bars 45 are coupled to the case 17 to support the collector 70 located below the case 17.
  • the support bar 45 fixes each collector 70 so as to be integrally coupled with the case 17.
  • the collector 70 supports the water supply pipe 21 for supplying the fruit, the steam pipe 22 for supplying the fruit discharged from the collector 70, and the steam drum 20 for temporarily storing the fruit supplied from the steam pipe 22.
  • the pipe support 23 is installed.
  • the collector 70 is cylindrical in shape.
  • a first graphite tube 71 is positioned at an inner center thereof, and a cylindrical second graphite tube 72 is positioned at a predetermined interval outside the first graphite tube 71.
  • the first ceramic insulating material 73 for shielding heat is coupled to the outer circumferential surface of the second graphite tube.
  • the cylindrical second ceramic insulating material 75 and the disc shaped first graphite plate 74 are laminated on the plane.
  • the second ceramic insulation material 75 is formed with a through hole 78 in the center.
  • the disk-shaped second graphite plate 76 and the cylindrical third ceramic insulating material 77 are laminated to the bottom surface.
  • a stainless steel housing 79 is integrally coupled to the outer circumferential surface of the first ceramic insulation material 73 to the third ceramic insulation material 77. Unevenness is formed on the outer circumferential surface of the first graphite tube 71 and the inner circumferential surface of the second graphite rod tube 72. A space is formed inside the first graphite tube 71 and between the first graphite tube 71 and the second graphite tube 72.
  • the water supply pipe 21 through which the fruit is supplied to the side of the collector 70 communicates with the steam pipe 22 through which the superheated fruit is discharged.
  • the heat collected by the collector 10 is heated while focusing on the first graphite plate 74 through the through hole 78 formed in the collector 70, and the heat heated by the first graphite plate 74.
  • the first graphite tube 71 and the second graphite tube 72 are transferred to the second graphite plate 76.
  • the fruit introduced between the first graphite tube 71 and the second graphite tube 72 through the water supply pipe 21 of the collector 70 is heated first graphite tube 71 and the second graphite tube 72.
  • the first graphite plate 74 and the second graphite plate 76 change into superheated steam.
  • the temperature of the superheated steam heated in the collector 70 is approximately 800 to 1,200 ° C.
  • the superheated steam generated in the collector 70 is introduced into the steam drum 20 through the steam pipe 22, and the steam drum 20 supplies the superheated steam to the heat storage tank 35 through the steam pipe.
  • the fruit is melted brine or mixed antifreeze. Fruits should be able to raise the heating temperature, that is, the temperature of superheated steam above a certain temperature.
  • the heat storage device 2 stores the heat by heating the heat storage tank 35 of the ondol method with the superheated steam generated by the heat collecting device 1.
  • a heat storage material is built in the heat storage tank 35 to absorb superheated steam.
  • the heat storage material includes a variety of materials capable of heat storage such as quartz rock, sand, loess.
  • the heat storage tank 35 is piped with a spiral or zigzag type superheated steam engine that supplies superheated steam from the heat collecting device 1.
  • the heat storage tank 35 is piped with a spiral or zigzag fruit supply pipe for supplying fruit from the fruit tank (34).
  • the fruit tank 34 supplies the low temperature fruit to the heat collecting device 1 and the heat storage device 2 and stores the introduced fruit that has passed through the heat exchange device 3.
  • the heat collecting device collects sunlight and fails to generate superheated steam at night, on rainy days or on cloudy days
  • the superheated steam is supplied using the auxiliary boiler 36.
  • the boiler 36 generates and supplies superheated steam by burning wood pellets or waste-molded solid fuel as an auxiliary heat source.
  • the boiler 36 supplies the generated superheated steam to the heat storage device 2 through the pipe and receives the fruit from the fruit tank 34 through the pipe.
  • the heat exchange device (3) generates a high-temperature, high-pressure saturated steam to operate the steam turbine 41 by the heat stored in the heat storage device (2) to drive the generator (40).
  • the heat exchanger (3) is a water purifier (39) for purifying water supplied from the outside, and a water tank for storing water purified through the water purifier (39) and water condensed through the condenser (37) in the steam turbine (41). (38).
  • the heat exchanger 3 heat-exchanges the water supplied through the pipe in the heat storage tank 35 of the heat storage device 2 and the water supplied through the pipe in the water purification tank 38.
  • the heat exchanger 3 includes a preheater 33 for preheating water to a predetermined temperature, a steam generator 32 for generating water preheated in the preheater as a saturated steam, and a heater for heating the saturated steam of the steam generator 32 ( 31) are sequentially installed.
  • the condensing solar power generation system has a high condensing efficiency by minimizing heat loss, and stores heat in an ondol heat storage tank, and can use latent heat even at night or in rainy weather.
  • the steam turbine can be used in various fields such as heating, heating, food cooking, etc. to promote continuous development, and thus have industrial applicability.

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  • Combustion & Propulsion (AREA)
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  • Photovoltaic Devices (AREA)

Abstract

The present invention comprises: a heat collecting device for generating high-temperature superheated steam by concentrating solar light in at least one assembled concentrator while tracking the sun and by heating a heating medium supplied to a heat collector so as to heat the heat collector which is positioned at a predetermined distance from the concentrator; a heat accumulating device for storing heat by heating a heat storage tank for a floor heating method using the superheated steam generated by the heat collecting device; a heat exchange device for carrying out heat exchange with the high-temperature and high-pressure saturated steam which is capable of driving a power generator by operating a steam turbine using the heat stored in the heat accumulating device; and a heating medium water tank for supplying a low-temperature heating medium to the heat collecting device and the heat accumulating device, and storing the heating medium flowing through the heat exchange device. Thus, the present invention has high light concentrating efficiency by minimizing heat loss, can use latent heat even at night or in the event of rain by storing heat in the heat storage tank for a floor heating method, provides continuous power generation by operating a steam turbine using saturated steam generated from the heat exchange with the latent heat of the heat storage tank, and can be used in various fields, such as air conditioning and heating, culinary, and the like.

Description

집광형 태양열 발전시스템Condensing Solar Power System
본 발명은 집광형 태양열을 이용하여 발전하는 시스템에 관한 것으로, 더욱 상세하게는 태양에서 방사되는 빛에너지를 집광하여 고온고압의 과열증기를 생성하여 축열한 후에 열교환을 통해 발생된 포화증기로 발전하는 집광형 태양열 발전시스템에 관한 것이다.The present invention relates to a system for generating power using condensing solar heat, and more particularly, to generate superheated steam of high temperature and high pressure by condensing light energy radiated from the sun, and generating heat from the saturated steam generated through heat exchange. It relates to a concentrated solar power system.
문명의 발전에 따라 급속한 화석연료의 사용은 지구온난화와 더불어 심각한 환경오염 문제를 초래하였고, 이러한 문제는 국제사회의 화두로 회자되고 있지만 선진국과 개발도상국 및 후진국들 사이에 자국의 이익과 관련된 이견으로 바람직하지 못한 방향으로 나아가고 있는 실정이다. 이에 대응하여 지구온난화와 환경문제에 적극적으로 대처할 수 있는 신재생에너지의 개발을 위하여 다양한 노력이 진행되고 있다.The rapid use of fossil fuels has resulted in global warming and serious environmental pollution as the development of civilization, which is a hot topic in the international community, but due to differences in interests between developed and developing countries and underdeveloped countries. The situation is going in an undesirable direction. In response, various efforts are being made to develop renewable energy that can actively cope with global warming and environmental problems.
신재생에너지는 기존의 화석연료를 변환시켜 이용하거나 햇빛, 물, 지열, 생물유기체 등을 포함하는 재생 가능한 에너지를 변환시켜 이용하는 에너지이다. 이는 지속 가능한 에너지 공급체계를 위한 미래에너지원을 그 특성으로 한다. 신재생에너지는 유가의 불안정과 기후변화협약의 규제 대응 등으로 그 중요성이 커지게 되었다. 재생에너지로는 태양열, 태양광, 바이오매스, 풍력, 소수력, 지열, 해양에너지, 폐기물에너지 등이 포함되고, 신에너지로는 연료전지, 석탄액화가스화, 수소에너지 등이 포함된다.Renewable energy is energy used by converting existing fossil fuels or converting renewable energy including sunlight, water, geothermal energy, and bioorganisms. This is characterized by future energy sources for sustainable energy supply systems. Renewable energy has grown in importance due to oil price instability and the regulatory response to the Climate Change Convention. Renewable energy includes solar heat, solar light, biomass, wind power, hydrophobic power, geothermal energy, marine energy, waste energy, etc., and new energy includes fuel cells, coal liquefied gasification, hydrogen energy, and the like.
신재생에너지, 특히 태양광으로 전기를 생산하는 단가는 화석연료를 사용하는 기존의 화력발전 단가와 균형점을 이루는 그리드 패리티(Grid Parity)에 미치지 못하는 문제점을 안고 있다.Renewable energy, in particular, the cost of producing electricity from solar power has a problem that is less than the grid parity that is balanced with the existing cost of thermal power generation using fossil fuels.
그러나 신재생에너지 중에서 태양열로 전기를 생산하는 태양열 발전은 기술개발의 진전으로 전기를 생산하는 단가가 계속 낮아지고 있고 발전 효율은 점점 높아지고 있는 실정이다.However, among the renewable energy, solar power generation that generates electricity by solar heat is the cost of producing electricity continuously as technology development progresses, and the power generation efficiency is increasing.
본 발명에 관련된 태양열 발전시스템에 관한 선행기술로, 대한민국 등록특허공보 제10-0666056호는 태양의 광원을 계속적으로 반사시킬 수 있도록 다수의 광반사경(12)이 고정브래킷(14)을 매개로 반사판지주(16)에 일정높이로서 설치된 광반사판(10)과, 각각의 광반사경(12)들에 의해 1차 반사되는 태양광의 핵점들이 전방의 집광렌즈(24)를 통해 2차 반사되어 발전에 필요한 열원으로 균등하게 농축 집열되면서 통과되는 물을 가열시켜 증기를 생성시킬 수 있도록 상기 집광렌즈(24) 후방으로 증기발생탱크(30)가 형성된 다수의 집열기(20)를 포함한 것이 개시되어 있다. 이는 복수의 광반사경을 포함하는 광반사판이 설치되고, 광반사판으로부터 일정 거리에 집열기가 설치되어 있어 집광을 위한 넓은 면적의 공간이 필요하고 설치에 따른 비용이 증가하며 광반사판과 집열기가 일정 거리에 고정되어 열손실이 발생하고 집광효율이 떨어지는 단점이 있다.In the prior art of the solar power generation system related to the present invention, Korean Patent Publication No. 10-0666056 is a plurality of light reflecting mirrors 12 to reflect the light source of the sun continuously through the fixing bracket 14 reflector The light reflection plate 10 installed at a certain height on the support 16 and the nuclei of sunlight that are primarily reflected by the respective light reflection mirrors 12 are secondly reflected through the front condenser lens 24 to generate power. Disclosed is to include a plurality of collectors 20 in which a steam generating tank 30 is formed behind the condenser lens 24 so as to generate steam by heating water passing therethrough while concentrating and collecting the heat evenly. This is because the light reflector including a plurality of light reflector is installed, and the collector is installed at a certain distance from the light reflector, so that a large area for condensing is required, the cost of installation increases, and the light reflector and the collector are located at a certain distance. Fixed, there is a disadvantage that heat loss occurs and the light collection efficiency is lowered.
또한, 선행기술로, 대한민국 등록특허공보 제10-0931400호는 지주대(101)의 상단에 구비되며, 집열부를 상하좌우로 작동시키는 구동부(110); 상기 구동부(110)의 작동에 의해 동작되며, 태양광을 포집하여 히팅부를 가열시키는 집열부(120); 및 상기 집열부(120)의 선단에 구비되며, 내부를 순환하는 물을 열교환하면서 가열시키는 히팅부(140);에 태양열 집열 장치(100)가 구비된 것이 개시되어 있다. 이는 접시형상으로 이루어진 복수의 집열부가 히팅부를 향하도록 설치되어 물을 가열하는 구조로 집광효율이 떨어지고 열손실을 초래하며 집열에 따른 물의 가열 효과도 떨어지는 단점이 있다.In addition, the prior art, Republic of Korea Patent Publication No. 10-0931400 is provided on the top of the holding base 101, the drive unit 110 for operating the heat collecting portion up, down, left and right; A heat collecting unit 120 which is operated by the operation of the driving unit 110 and collects sunlight to heat the heating unit; And a heating unit 140 provided at the front end of the heat collecting unit 120 to heat and heat the water circulating therein. The solar heat collecting device 100 is disclosed. This is a structure in which a plurality of heat collecting portion formed in the shape of a plate toward the heating portion to heat the water is condensing efficiency is low, causing heat loss, and also has a disadvantage in that the water heating effect due to the heat collection.
또한, 선행기술로, 대한민국 공개특허공보 제10-2010-0100276호는 다수의 반사체에서 반사되는 태양열이 타워의 상측에 설치된 집열체에 집열되어 가열매체를 가열하고, 그 가열된 가열매체에 의해 증기발생기에서 발생된 증기로 발전용 설비를 구동하여 전기를 발생하는 구성에서, 상기 타워는 교량의 중앙에 설치되고, 상기 교량을 지지하는 교각에 연설되는 지지체반사부에 상기 반사체가 형성된 것이 개시되어 있다. 이는 집열체가 설치된 타워와 다수의 반사체를 설치하기 위하여 넓은 면적의 공간이 필요하고 설치에 따른 비용이 증가하며 반사체와 집열체가 일정 거리에 고정되어 열손실과 집광 효율이 떨어지는 단점이 있다.In addition, in the prior art, Korean Patent Publication No. 10-2010-0100276 discloses that solar heat reflected from a plurality of reflectors is collected in a heat collector installed at an upper side of a tower to heat a heating medium, and the steam is heated by the heated heating medium. In a configuration in which electricity is generated by driving a power generation facility with steam generated from a generator, it is disclosed that the reflector is formed in a support reflector which is installed at the center of the bridge and is protruded into a bridge supporting the bridge. . This requires a large area of space in order to install a tower and a plurality of reflectors installed in the collector, the cost of the installation increases, the reflector and the collector is fixed at a certain distance has a disadvantage of low heat loss and light collection efficiency.
또한, 선행기술로, 대한민국 공개특허공보 제10-2012-0084169호는 태양열을 한 곳으로 집열하여 고열을 발생시킬 수 있도록 구비하는 정방 형상의 프레넬렌즈와, 상기 프레넬렌즈가 발생시키는 고열을 전도 받아 유체를 가열하여 증기를 발생시키는 증기발생기와, 상기 증기발생기와 증기관으로 연결되어 발생된 증기를 공급받아 터빈을 회전시켜 회전력을 발생시키는 증기터빈과, 상기 증기터빈과 연결되어 증기터빈의 회전력을 전달받아 발전을 수행하는 발전기로 구성된 것이 개시되어 있다. 이는 정방형의 프레넬로부터 일정 거리를 두고 증기발생기가 설치되어 있어 설치를 위한 공간 확보가 불리하고 태양이 없는 경우에는 발전을 할 수 없으며 집광에 따른 발전 효율이 낮은 문제가 있다.In addition, as a prior art, Korean Patent Laid-Open Publication No. 10-2012-0084169 discloses a Fresnel lens having a square shape, which collects solar heat in one place and generates high heat, and a high temperature generated by the Fresnel lens. Steam generator for conducting the heating fluid to generate steam, the steam turbine is connected to the steam generator and the steam pipe is supplied to the steam generator to rotate the turbine to generate a rotational force, the steam turbine is connected to the steam turbine It is disclosed that the generator consists of a generator that receives the power generation. This is because the steam generator is installed at a certain distance from the square Fresnel, it is disadvantageous to secure the space for installation, there is a problem that the power generation can not be generated without the sun and low power generation efficiency due to condensing.
이와 같이 선행기술들의 태양열 발전시스템은 설치에 따른 공간 확보 문제와 더불어 집광 및 발전 효율성 저하 등의 문제점이 노출되었다.As described above, the solar power generation system of the prior arts has exposed problems such as condensation and power generation efficiency deterioration, as well as a problem of securing space due to installation.
본 발명은 상기 문제점을 해결하기 위한 것으로, 태양을 추적하면서 태양광을 효율적으로 집광하고, 집광된 태양에너지로 집열기를 가열하여 고온의 과열증기를 생성하며, 생성된 과열증기를 축열조에 저장하였다가 축열조의 잠열을 열교환으로 포화증기를 생성하여 증기터빈을 구동시켜 발전하기 위한 것이 목적이다.The present invention is to solve the above problems, while efficiently collecting the solar light while tracking the sun, by heating the collector with the concentrated solar energy to generate a high temperature superheated steam, and stores the generated superheated steam in the heat storage tank The purpose is to generate steam by heat exchange the latent heat of the heat storage tank to drive the steam turbine to generate electricity.
또한, 본 발명은 집광 및 가열 효율을 향상시키고 온돌방식에 의한 열에너지의 축열로 태양으로부터 빛에너지를 공급받지 못하는 시간에도 발전이 이루어지도록 하기 위한 것이 다른 목적이다.In addition, another object of the present invention is to improve power collection and heating efficiency and to generate power even in a time when light energy is not supplied from the sun due to thermal energy storage by the ondol method.
그리고, 본 발명은 태양열을 집광하는 발전시스템의 설치에 따른 비용 대비 고효율의 에너지를 생산할 수 있도록 하여 신재생에너지의 확대보급을 증대시키기 위한 것이 다른 목적이다.Another object of the present invention is to increase energy supply and expansion of renewable energy by producing energy having high efficiency compared to cost according to installation of a solar power generation system.
본 발명은 상기 목적을 달성하기 위하여, 태양을 추적하면서 하나 이상으로 조립된 집광기에서 태양광을 집광하여 집광기와 일정 간격을 두고 위치한 집열기의 가열로 집열기에 공급된 열매(Heating Medium)를 가열시켜 고온의 과열증기(Superheated Steam)를 생성하는 집열장치; 상기 집열장치에서 발생된 과열증기로 온돌방식의 축열조를 가열하여 열을 저장하는 축열장치; 상기 축열장치에 저장된 열로 증기터빈을 작동시켜 발전기를 구동시킬 수 있는 고온고압의 포화증기로 열교환시키는 열교환장치, 및 상기 집열장치 및 축열장치로 저온의 열매를 공급하고 열교환장치를 거쳐 유입된 열매를 저장하는 열매수조를 포함하여 이루어진 집광형 태양열 발전시스템을 제공한 것이 특징이다.In order to achieve the above object, the present invention collects sunlight from one or more assembled collectors while tracking the sun to heat the fruit (Heating Medium) supplied to the collector by heating a collector located at a predetermined distance from the collector. A heat collecting device for generating a superheated steam of; A heat storage device for storing heat by heating the heat storage tank of the ondol method with the superheated steam generated by the heat collecting device; A heat exchanger for exchanging heat with a saturated steam of high temperature and high pressure capable of driving a generator by operating a steam turbine with heat stored in the heat storage device, and supplying low-temperature fruit to the heat collecting device and the heat storage device, It is characterized by providing a condensing solar power generation system that consists of a fruit tank to store.
또한, 본 발명에서, 상기 집광기는 한 쌍의 반구형 투명판이 접합된 양볼록물렌즈집광기, 반구형 투명판에 평판형 투명판이 접합된 평볼록물렌즈집광기 또는 어느 한 면에 요철이 형성되어 점 초점을 형성하는 프레넬렌즈집광기 중 어느 하나를 포함할 수 있다.In the present invention, the condenser is a biconvex lens condenser in which a pair of hemispherical transparent plates are bonded, a flat convex lens condenser in which a flat transparent plate is bonded to a hemispherical transparent plate, or irregularities are formed on one surface thereof to provide point focus. It may include any one of the Fresnel lens condenser to form.
또한, 본 발명에서, 상기 양볼록물렌즈집광기와 평볼록물렌즈집광기는 각각 사각의 틀 내에 고정부재로 고정되고, 투명판의 접합으로 인하여 형성된 내부 공간에 주입공을 통해 소금이 용융된 염수가 주입되며, 투명판 사이로 주입된 염수의 부피 팽창으로 투명판의 늘어남을 흡수하는 팽창주머니가 상부에 구비되고, 풍압을 조절하기 위한 복수의 통기공이 관통 형성될 수 있다.In addition, in the present invention, the biconvex lens condenser and the flat convex lens condenser are respectively fixed to a fixing member in a rectangular frame, and salt is melted through the injection hole in the inner space formed by the bonding of the transparent plate. Injected, the expansion bag for absorbing the expansion of the transparent plate by the volume expansion of the brine injected between the transparent plate is provided on the top, a plurality of vent holes for adjusting the wind pressure may be formed through.
또한, 본 발명에서, 상기 집열장치는 평면상 복수의 격자가 형성된 격자망 형상으로 격자 내에 집광기를 고정 결합하는 케이스와, 상기 케이스 아래에 위치된 집열기를 지지하도록 케이스와 결합된 지지바와, 상기 케이스 양측면 중심을 힌지 결합으로 지지하고 케이스를 회동시키는 수직모터가 결합된 스탠드와, 상기 스탠드 하단에 회전롤러가 결합되고 회전롤러를 회동시키는 수평모터가 결합되며 지면에 고정된 기초판 위에 설치된 포스트, 및 상기 집열기에 열매를 공급하는 급수관과 집열기에서 배출된 열매를 공급하는 증기관, 그리고 증기관에서 공급된 열매를 일시 저장하는 증기드럼을 지지하는 배관지지대를 포함할 수 있다.In addition, in the present invention, the heat collecting device is a grating network shape formed with a plurality of gratings on a plane, a case for fixing the light collector in the grating, a support bar coupled to the case to support the heat collector located below the case, and the case Posts installed on a base plate fixed to the ground, the stand is coupled to a vertical motor for supporting the center of both sides by a hinge coupling and the case is rotated, a horizontal motor is coupled to the bottom of the stand and rotates the rotating roller, and It may include a water supply pipe for supplying the fruit to the collector, a steam pipe for supplying the fruit discharged from the collector, and a pipe support for supporting the steam drum for temporarily storing the fruit supplied from the steam pipe.
또한, 본 발명에서, 상기 케이스 상단에 태양의 고도를 감지하는 수직 태양광센서가 장착되고, 상기 포스트 전면에 태양의 방위각을 감지하는 수평 태양광센서가 장착되며, 상기 포스트에 수직 태양광센서와 수평 태양광센서의 감지신호를 수신하여 케이스가 태양과 직각이 유지되도록 수직모터 또는 수평모터를 구동시키는 전자제어반이 장착될 수 있다.Further, in the present invention, a vertical solar sensor for detecting the altitude of the sun is mounted on the top of the case, a horizontal solar sensor for detecting the azimuth angle of the sun is mounted on the front of the post, and the vertical solar sensor on the post An electronic control panel may be mounted to receive the detection signal of the horizontal solar sensor to drive the vertical motor or the horizontal motor so that the case is perpendicular to the sun.
또한, 본 발명에서, 상기 상기 축열조에는 석영암 및 모래를 포함하는 축열재가 내장되고, 집열장치에서 과열증기를 공급하는 나선형 또는 지그재그형 과열증기관이 배관되며, 열매수조에서 열매를 공급하는 나선형 또는 지그재그형 열매공급관이 배관될 수 있다.Further, in the present invention, the heat storage tank is built in a heat storage material containing a quartz arm and sand, the spiral or zigzag type superheated steam pipe for supplying superheated steam in the heat collecting device is piped, spiral or zigzag supplying fruit from the fruit tank The mold fruit supply pipe can be piped.
또한, 본 발명에서, 보조 열원으로 우드펠릿이나 폐기물 성형고체연료를 연소시켜 과열증기를 생성하여 공급하는 보일러를 더 포함하고, 보일러는 생성된 과열증기를 배관을 통해 상기 축열장치로 공급하고 열매수조로부터 배관을 통해 열매를 공급받을 수 있다.In addition, the present invention, the auxiliary heat source further comprises a boiler for burning the wood pellets or waste-molded solid fuel to generate and supply the superheated steam, the boiler supplies the generated superheated steam to the heat storage device through the pipe and the fruit tank Fruit can be fed through the pipe.
또한, 본 발명에서, 상기 열교환장치는 외부에서 공급되어 정수기를 거쳐 정수된 물과 증기터빈에서 응축기를 거쳐 응축된 물을 저장하는 정수조를 포함하고, 축열장치의 축열조에서 배관을 통해 공급된 열매와 정수조에서 배관을 통해 공급된 물이 열교환되되, 물을 일정 온도로 예열하는 예열기, 예열기에서 예열된 물을 포화증기로 생성하는 증기발생기 및 증기발생기의 포화증기를 가열하는 가열기가 순차 설치될 수 있다.In addition, in the present invention, the heat exchange device includes a water purification tank for storing the water condensed through the condenser in the steam turbine and the water purified from the outside through a water purifier, the fruit supplied through the pipe in the heat storage tank of the heat storage device The water supplied through the piping in the water purification tank is heat-exchanged, and a preheater for preheating the water to a predetermined temperature, a steam generator for generating the preheated water in the preheater as saturated steam, and a heater for heating the saturated steam of the steam generator are sequentially installed. Can be.
또한, 본 발명에서, 상기 열매는 용융염수 또는 혼합부동액을 포함할 수 있다.In addition, in the present invention, the fruit may include molten saline or mixed antifreeze.
또한, 본 발명에서, 상기 집열기에서 가열된 과열증기의 온도는 800~1,200℃ 일 수 있다.In addition, in the present invention, the temperature of the superheated steam heated in the collector may be 800 ~ 1,200 ℃.
또한, 본 발명에서, 상기 집열기는 원통형으로 내부 중심에 설치된 원통형 제1흑연관과, 상기 흑연관 외측에 일정 간격을 두고 설치된 원통형 제2흑연관과, 상기 제2흑연관 외주면에 결합되어 열을 차폐하는 제1세라믹단열재와, 상기 제1흑연관, 제2흑연관 및 제1세라믹단열재 평면에 적층 결합되는 중앙에 통공이 형성된 원통형 제2세라믹단열재 및 원반형 제1흑연판과, 상기 제1흑연관, 제2흑연관 및 제1세라믹단열재 저면에 적층 결합되는 원반형 제2흑연판 및 원통형 제3세라믹단열재와, 상기 제1세라믹단열재 내지 제3세라믹단열재 외주면에 결합된 하우징이 일체 결합되고, 상기 집열기 측면에 급수관과 증기관이 연결될 수 있다.In addition, in the present invention, the collector is a cylindrical cylindrical first graphite tube installed in the inner center, a cylindrical second graphite tube provided at a predetermined interval outside the graphite tube, and coupled to the outer peripheral surface of the second graphite tube is heat A first ceramic insulation shielding, a cylindrical second ceramic insulation member and a disc shaped first graphite plate having a through hole formed at the center of the first graphite tube, the second graphite tube, and the first ceramic insulation layer laminated on the plane; The second graphite tube and the disc-shaped second graphite plate and the cylindrical third ceramic insulating material laminated on the bottom surface of the second graphite tube and the first ceramic insulating material, and the housing coupled to the outer circumferential surfaces of the first ceramic insulating material and the third ceramic insulating material are integrally coupled, and Water pipes and steam pipes may be connected to the collector side.
또한, 본 발명에서, 상기 제1흑연관 외주면과 제2흑연봉 내주면에 요철이 형성될 수 있다.In addition, in the present invention, irregularities may be formed on the outer circumferential surface of the first graphite tube and the inner circumferential surface of the second graphite rod.
본 발명에 따르면, 태양을 추적하면서 태양에너지를 고효율의 집광기로 짧은 초점거리에서 집광할 수 있어 열손실을 최소화하여 집광 효율이 높고, 집열기에서 고온의 과열증기를 발생시켜 온돌방식의 축열조에서 열을 저장하여 야간이나 우천 시에도 잠열을 이용할 수 있으며, 축열조의 잠열을 열교환시켜 발생된 포화증기로 증기터빈을 가동시켜 지속적인 발전을 도모할 수 있고, 또, 열교환으로 발생된 포화증기로 냉난방이나 음식물 조리 등 다양한 분야에서 활용할 수 있는 이점이 있다.According to the present invention, the solar energy can be collected at a short focal length with a high efficiency concentrator while tracking the sun, thereby minimizing heat loss, thereby increasing condensing efficiency, and generating high temperature superheated steam in the collector, thereby generating heat in the ondol type heat storage tank. The latent heat can be used at night or in rainy weather, and the steam turbine can be operated by the saturated steam generated by exchanging the latent heat of the heat storage tank for continuous development, and the heating and cooling or cooking of food by the saturated steam generated by the heat exchange can be achieved. There are advantages that can be used in various fields.
도 1은 본 발명에 따른 실시 예로, 집광형 태양열 발전시스템을 개략적으로 나타낸 구성도이다.1 is a configuration diagram schematically showing a concentrating solar power generation system according to an embodiment of the present invention.
도 2 내지 도 4는 본 발명에 따른 집광형 태양열 발전시스템에서 집광기의 다양한 실시 예를 나타낸 정면 및 측면도이다.2 to 4 are front and side views showing various embodiments of the light collector in the light collecting solar power generation system according to the present invention.
도 5는 본 발명에 따른 집광형 태양열 발전시스템에서 집열장치를 나타낸 정면도이다.5 is a front view showing a heat collecting device in a light collecting solar power generation system according to the present invention.
도 6은 본 발명에 따른 집광형 태양열 발전시스템에서 집열장치를 나타낸 측면도이다.6 is a side view showing a heat collecting device in a light collecting solar power generation system according to the present invention.
도 7은 본 발명에 따른 집광형 태양열 발전시스템에서 집열장치를 나타낸 평면도이다.7 is a plan view showing a heat collecting device in a light collecting solar power generation system according to the present invention.
도 8은 본 발명에 따른 집광형 태양열 발전시스템에서 집열장치의 스탠드 및 포스트를 나타낸 사시도이다.8 is a perspective view illustrating a stand and a post of the heat collecting device in the light collecting solar power generation system according to the present invention.
도 9 및 도 10은 본 발명에 따른 집광형 태양열 발전시스템에서 집열장치의 집열기를 나타낸 사시도 및 단면도이다.9 and 10 are a perspective view and a cross-sectional view showing a collector of the heat collecting device in the light collecting solar power generation system according to the present invention.
이하, 본 발명에 따른 집광형 태양열 발전시스템에 관한 실시 예를 첨부된 도면을 참조하여 상세하게 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings an embodiment of a light concentrating solar power generation system according to the present invention will be described in detail.
도 1에서, 본 발명은 태양광을 집광하여 집열하는 집열장치(1)와, 집열장치에서 생성된 열을 저장하는 축열장치(2), 그리고 축열장치에서 저장된 열을 열교환에 의해 발생된 증기로 증기터빈을 작동시켜 전기에너지를 발생시킬 수 있도록 하는 열교환장치(3)로 구분할 수 있다.In FIG. 1, the present invention provides a heat collecting device 1 for collecting and collecting solar light, a heat storage device 2 for storing heat generated by the heat collecting device, and steam generated by heat exchange of heat stored in the heat storage device. It can be divided into a heat exchanger (3) to operate the steam turbine to generate electrical energy.
집열장치(1)는 태양을 추적하면서 태양광을 집광하는 것이다. 집열장치(1)는 태양광을 집광하는 하나 이상의 집광기(10)가 격자망 형상의 케이스(17)에 조립된다. 집광기(10)와 일정 간격을 두고 집열기(70)가 위치한다. 즉 하나의 집광기(10)에 하나의 집열기(70)가 구비되는 것이 좋다. 집열기(70)에는 열매(Heating Medium)가 유입되고 배출되는 흐름이 형성되어 집열기에 집열된 열로 열매를 가열시킨다. 이때, 열매는 가열되어 고온의 과열증기(Superheated Steam)가 된다.The collector 1 collects sunlight while tracking the sun. In the heat collecting device 1, one or more light collectors 10 for collecting sunlight are assembled to a case 17 having a grid shape. The collector 70 is positioned at a predetermined distance from the collector 10. That is, it is preferable that one collector 70 is provided in one collector 10. The collector 70 is formed with a flow into which the fruit (Heating Medium) flows in and out to heat the fruit with heat collected in the collector. At this time, the fruit is heated to become a high temperature superheated steam (Superheated Steam).
집광기의 실시 예로 도 2를 참조하면, 한 쌍의 반구형 투명판(11a, 11b)이 접합된 양볼록물렌즈집광기(10)가 제공된다. 양볼록물렌즈집광기(10)는 격자망 형상으로 이루어진 케이스(17)의 격자 틀 내에 형강과 볼트 및 너트 등을 포함하는 고정부재(14)로 고정된다. 양볼록물렌즈집광기(10)는 한 쌍의 반구형 투명판(11a, 11b)의 접합으로 인하여 형성된 내부 공간에 주입공(12)을 통해 염수(15)가 주입된다. 주입공(12)에는 염수(15)를 주입한 후에 마개 등으로 밀폐시키는 것이 좋다. 염수(15)는 일정 중량의 소금이 용융된 것이다. 이는 동절기에 염수가 쉽게 얼지 않도록 하는 것이다. 양볼록물렌즈집광기(10) 상부에 팽창주머니(13)가 구비된다. 팽창주머니(13)는 양볼록물렌즈집광기(10)로 접합되어 염수가 주입된 투명판 사이에 염수가 동절기에 냉각되어 부피가 팽창되면 투명판이 늘어남에 따라 이를 흡수할 수 있도록 하는 것이다. 또한, 외부의 바람에 의하여 양볼록물렌즈집광기(10)에 가해지는 풍압을 감소시키기 위하여 복수의 통기공(16)이 관통 형성되어 바람이 통과되도록 하는 것이 좋다. 따라서 양볼록물렌즈집광기(10)는 한 쌍의 반구형 투명판(11a, 11b) 사이에 형성된 공간에 채워진 염수에 의하여 입사된 태양광이 일정의 초점거리로 집광하여 투과되도록 한다. 투명판(11a, 11b)의 구면 곡률은 태양광의 집광효율을 향상시키기 위하여 다양하게 변화될 수 있을 것이다. 그리고 투명판(11a, 11b) 내에는 염수 이외에 고효율의 집광을 위한 액체나 고체 또는 기체가 채워질 수 있다. 또한, 양볼록물렌즈집광기(10)의 투명판은 열에 강한 폴리카보네이트 등의 재질이 적용되는 것이 좋다.2, a biconvex lens condenser 10 having a pair of hemispherical transparent plates 11a and 11b bonded thereto is provided. The biconvex lens condenser 10 is fixed by a fixing member 14 including a section steel, a bolt, a nut, and the like in a lattice frame of a case 17 having a grid shape. The biconvex lens condenser 10 is injected with the brine 15 through the injection hole 12 into the inner space formed by the bonding of the pair of hemispherical transparent plate (11a, 11b). The injection hole 12 is preferably sealed with a stopper after injecting the brine 15. The brine 15 is a molten salt of a certain weight. This prevents salt water from freezing in winter. An expansion bag 13 is provided on the biconvex lens condenser 10. The expansion bag 13 is bonded to the biconvex lens condenser 10 so that the brine is cooled in the winter between the transparent plates into which the brine is injected, so that when the volume expands, the transparent plate increases and absorbs the transparent plate. In addition, in order to reduce the wind pressure applied to the biconvex lens condenser 10 by external wind, a plurality of vent holes 16 may be formed to pass through the wind. Accordingly, the biconvex lens condenser 10 collects and transmits the solar light incident by the brine filled in the space formed between the pair of hemispherical transparent plates 11a and 11b at a predetermined focal length. The spherical curvature of the transparent plates 11a and 11b may be variously changed to improve the light condensing efficiency of sunlight. In addition to the brine, the transparent plates 11a and 11b may be filled with a liquid, a solid, or a gas for high efficiency light collection. In addition, the transparent plate of the biconvex lens condenser 10 is preferably a material such as polycarbonate resistant to heat.
또한, 집광기의 다른 실시 예로 도 3을 참조하면, 반구형 투명판(51b)에 평판형 투명판(51a)이 접합된 평볼록물렌즈집광기(50)가 제공된다. 평볼록물렌즈집광기(50)는 격자망 형상으로 이루어진 케이스(17)의 격자 틀 내에 형강과 볼트 및 너트 등을 포함하는 고정부재(54)로 고정된다. 평볼록물렌즈집광기(50)는 어느 한 면이 평판형 투명판(51a)이고 다른 한 면은 반구형 투명판(51b)의 접합으로 인하여 형성된 내부 공간에 주입공(52)을 통해 염수(55)가 주입된다. 주입공(52)에는 염수(55)를 주입한 후에 마개 등으로 밀폐시키는 것이 좋다. 염수(55)는 일정 중량의 소금이 용융된 것이다. 이는 동절기에 염수가 쉽게 얼지 않도록 하는 것이다. 평볼록물렌즈집광기(50) 일측에 팽창주머니(53)가 구비된다. 팽창주머니(53)는 양볼록물렌즈집광기(50)로 접합되어 염수가 주입된 투명판 사이에 염수가 동절기에 냉각되어 부피가 팽창되면 투명판이 늘어남에 따라 이를 흡수할 수 있도록 하는 것이다. 또한, 외부의 바람에 의하여 평볼록물렌즈집광기(50)에 가해지는 풍압을 감소시키기 위하여 복수의 통기공(56)이 관통 형성되어 바람이 통과되도록 하는 것이 좋다. 따라서 평볼록물렌즈집광기(50)는 반구형 투명판(51b)과 평판형 투명판(51a) 사이에 형성된 공간에 채워진 염수에 의하여 입사된 태양광이 일정의 초점거리로 집광하여 투과되도록 한다. 반구형 투명판(51b)의 구면 곡률은 태양광의 집광효율을 향상시키기 위하여 다양하게 변화될 수 있을 것이다. 그리고 투명판(51a, 51b) 내에는 염수 이외에 고효율의 집광을 위한 액체나 고체 또는 기체가 채워질 수 있다. 또한, 평볼록물렌즈집광기(50)의 투명판은 열에 강한 폴리카보네이트 등의 재질이 적용되는 것이 좋다.In addition, referring to FIG. 3 as another embodiment of the light collector, a flat convex lens light collector 50 in which a flat transparent plate 51a is bonded to a hemispherical transparent plate 51b is provided. The flat convex lens condenser 50 is fixed by a fixing member 54 including a section steel, a bolt, a nut, and the like in a lattice frame of the case 17 having a grid shape. The flat convex lens condenser 50 has a saline solution 55 through one of the injection holes 52 in the inner space formed by the bonding of the flat transparent plate 51a on one side and the hemispherical transparent plate 51b on the other side. Is injected. The injection hole 52 may be sealed with a stopper after injecting the brine 55. The brine 55 is a molten salt of a certain weight. This prevents salt water from freezing in winter. An expansion bag 53 is provided at one side of the flat convex lens condenser 50. The expansion bag 53 is bonded to the biconvex lens condenser 50 to allow the brine to be absorbed as the transparent plate increases when the brine is cooled in winter and the volume expands between the transparent plates into which the saline is injected. In addition, in order to reduce the wind pressure applied to the flat convex lens condenser 50 by external wind, a plurality of vent holes 56 may be formed to pass through the wind. Accordingly, the flat convex lens condenser 50 collects and transmits the sunlight incident to the space formed by the brine filled in the space formed between the hemispherical transparent plate 51b and the flat transparent plate 51a at a predetermined focal length. The spherical curvature of the hemispherical transparent plate 51b may be variously changed to improve the light condensing efficiency of sunlight. In addition to the brine, the transparent plates 51a and 51b may be filled with a liquid, a solid, or a gas for high efficiency light collection. In addition, the transparent plate of the flat convex lens condenser 50 may be made of a material such as polycarbonate that is resistant to heat.
또한, 집광기의 다른 실시 예로 도 4를 참조하면, 어느 한 면에 요철이 형성되어 점 초점을 형성하는 프레넬렌즈집광기(61)가 제공된다. 프레넬렌즈집광기(61)는 격자망 형상으로 이루어진 케이스(17)의 격자 틀 내에 형강과 볼트 및 너트 등을 포함하는 고정부재(64)로 고정된다. 프레넬렌즈집광기(61)는 어느 한 면에 대략 톱니 모양으로 요철이 형성되어 점 초점이 형성된다. 프레넬렌즈집광기(61) 일측에 외부의 바람에 의하여 프레넬렌즈집광기(61)에 가해지는 풍압을 감소시키기 위하여 복수의 통기공(66)이 관통 형성되어 바람이 통과되도록 하는 것이 좋다. 프레넬렌즈집광기(61)에 형성된 요철의 폭이나 높이 등에 따라 입사된 태양광이 일정의 초점거리로 집광하여 투과되도록 한다. 따라서 프레넬렌즈집광기(61) 요철 구조는 태양광의 집광효율을 향상시키기 위하여 다양하게 변화될 수 있을 것이다. 또한, 프레넬렌즈집광기(61)는 열에 강한 유리나 폴리카보네이트 등의 재질이 적용되는 것이 좋다.In addition, referring to FIG. 4 as another embodiment of the light collector, a Fresnel lens light collector 61 is provided in which irregularities are formed on one surface to form a point focus. The Fresnel lens condenser 61 is fixed by a fixing member 64 including a section steel, a bolt, a nut, and the like in a lattice frame of the case 17 having a grid shape. Fresnel lens condenser 61 is formed in a roughly jagged shape on one surface to form a point focus. In order to reduce the wind pressure applied to the Fresnel lens condenser 61 by the external wind on one side of the Fresnel lens condenser 61, a plurality of vent holes 66 may be formed to pass through the wind. According to the width or height of the unevenness formed in the Fresnel lens condenser 61, incident light is focused and transmitted at a predetermined focal length. Therefore, the convex-concave structure of the Fresnel lens condenser 61 may be variously changed to improve the light condensing efficiency of the sunlight. In addition, the Fresnel lens condenser 61 is preferably made of a material such as heat resistant glass, polycarbonate, or the like.
도 5에서, 집열장치(1)는 평면상 복수의 격자가 형성된 격자망 형상으로 격자 내에 집광기를 고정 결합하는 케이스(17)가 구비된다. 케이스(17) 상단에는 태양의 고도를 감지하는 수직 태양광센서(27)가 장착된다. 케이스(17)는 양측면 중심을 힌지 결합으로 지지하고 케이스(17)를 회동시키는 스탠드(25)에 결합된다.In FIG. 5, the heat collecting device 1 is provided with a case 17 fixedly coupled to the light collector in the grating in the shape of a grating network having a plurality of gratings formed on a plane. The top of the case 17 is mounted with a vertical solar sensor 27 for detecting the altitude of the sun. The case 17 is coupled to a stand 25 that supports both side centers by hinge coupling and rotates the case 17.
도 6에서, 스탠드(25)는 대략 U형상으로 케이스(17)가 회동될 수 있도록 고정 지지하는 것이다. 스탠드(25) 측면에 수직모터(26)가 장착되어 스탠드(25) 내측에 힌지 결합된 케이스(17)가 수직으로 회동되도록 한다. 그리고 스탠드(25)를 지면으로부터 고정 지지하기 위한 포스트(18)가 결합된다. 포스트(18)는 지면에 고정된 기초판(19) 위에 설치된다. 포스트(18) 상부에는 회전롤러(24)가 결합되어 있다. 그리고 포스트(18)에는 수평모터(29)가 장착되어 회전롤러(24)를 수평으로 회동시킨다. 포스트(18) 전면에 태양의 방위각을 감지하는 수평 태양광센서(28)가 장착된다.In FIG. 6, the stand 25 is fixedly supported so that the case 17 can be rotated in a substantially U shape. The vertical motor 26 is mounted on the side of the stand 25 so that the case 17 hinged to the inside of the stand 25 is vertically rotated. And the post 18 for fixing and holding the stand 25 from the ground is coupled. The post 18 is mounted on the base plate 19 fixed to the ground. The rotary roller 24 is coupled to the upper part of the post 18. Then, the horizontal motor 29 is mounted to the post 18 to rotate the rotary roller 24 horizontally. In front of the post 18 is mounted a horizontal solar sensor 28 for sensing the azimuth of the sun.
또한, 포스트(18)에는 수직 태양광센서(27)와 수평 태양광센서(28)의 감지신호를 수신하여 케이스(17)가 태양과 직각이 유지되도록 수직모터(26) 및/또는 수평모터(29)를 구동시키는 전자제어반(30)이 장착된다.In addition, the post 18 receives the detection signals of the vertical photovoltaic sensor 27 and the horizontal photovoltaic sensor 28 so that the case 17 is perpendicular to the sun so that the vertical motor 26 and / or the horizontal motor ( An electronic control panel 30 for driving 29 is mounted.
도 7 및 도 8에서, 케이스(17) 아래에 위치한 집열기(70)를 지지하기 위하여 복수의 지지바(45)가 케이스(17)와 결합된다. 지지바(45)는 각 집열기(70)를 고정하여 케이스(17)와 일체로 결합되도록 한다. 집열기(70)에는 열매를 공급하는 급수관(21)과 집열기(70)에서 배출된 열매를 공급하는 증기관(22), 그리고 증기관(22)에서 공급된 열매를 일시 저장하는 증기드럼(20)을 지지하는 배관지지대(23)가 설치된다.7 and 8, a plurality of support bars 45 are coupled to the case 17 to support the collector 70 located below the case 17. The support bar 45 fixes each collector 70 so as to be integrally coupled with the case 17. The collector 70 supports the water supply pipe 21 for supplying the fruit, the steam pipe 22 for supplying the fruit discharged from the collector 70, and the steam drum 20 for temporarily storing the fruit supplied from the steam pipe 22. The pipe support 23 is installed.
도 9와 도 10a 및 도 10b에서, 집열기(70)는 원통형상이다. 집열기(70)는 내부 중심에 제1흑연관(71)이 위치되고, 제1흑연관(71) 외측에 일정 간격을 두고 원통형 제2흑연관(72)이 위치된다. 제2흑연관 외주면에는 열을 차폐하는 제1세라믹단열재(73)가 결합된다. 그리고 평면에 원통형 제2세라믹단열재(75)와 원반형 제1흑연판(74)이 적층된다. 제2세라믹단열재(75)는 중앙에 통공(78)이 형성된다. 그리고 저면에 원반형 제2흑연판(76)과 원통형 제3세라믹단열재(77)가 적층 결합된다. 제1세라믹단열재(73) 내지 제3세라믹단열재(77) 외주면에 스테인리스 재질의 하우징(79)이 일체 결합된다. 제1흑연관(71) 외주면과 제2흑연봉관(72) 내주면에 요철이 형성된다. 상기 제1흑연관(71) 내부와 제1흑연관(71)과 제2흑연관(72) 사이에 공간이 형성된다. 집열기(70) 측면에 열매가 공급되는 급수관(21)이 연통되고, 과열증기화된 열매가 배출되는 증기관(22)이 연통된다. 9, 10A and 10B, the collector 70 is cylindrical in shape. In the collector 70, a first graphite tube 71 is positioned at an inner center thereof, and a cylindrical second graphite tube 72 is positioned at a predetermined interval outside the first graphite tube 71. The first ceramic insulating material 73 for shielding heat is coupled to the outer circumferential surface of the second graphite tube. Then, the cylindrical second ceramic insulating material 75 and the disc shaped first graphite plate 74 are laminated on the plane. The second ceramic insulation material 75 is formed with a through hole 78 in the center. Then, the disk-shaped second graphite plate 76 and the cylindrical third ceramic insulating material 77 are laminated to the bottom surface. A stainless steel housing 79 is integrally coupled to the outer circumferential surface of the first ceramic insulation material 73 to the third ceramic insulation material 77. Unevenness is formed on the outer circumferential surface of the first graphite tube 71 and the inner circumferential surface of the second graphite rod tube 72. A space is formed inside the first graphite tube 71 and between the first graphite tube 71 and the second graphite tube 72. The water supply pipe 21 through which the fruit is supplied to the side of the collector 70 communicates with the steam pipe 22 through which the superheated fruit is discharged.
따라서 집광기(10)를 통해 집광된 태양광이 집열기(70)에 형성된 통공(78)을 통해 제1흑연판(74)에 초점이 맺히면서 가열되고 제1흑연판(74)에 가열된 열은 제1흑연관(71) 및 제2흑연관(72), 그리고 제2흑연판(76)까지 전달된다. 이때, 집열기(70)의 급수관(21)을 통해 제1흑연관(71)과 제2흑연관(72) 사이로 유입된 열매는 가열된 제1흑연관(71)과 제2흑연관(72) 및 제1흑연판(74)과 제2흑연판(76)에 의하여 과열증기로 변화된다. 집열기(70)에서 가열된 과열증기의 온도는 대략 800~1,200℃이 된다. 집열기(70)에서 생성된 과열증기는 증기관(22)을 통해 증기드럼(20)으로 유입되고, 증기드럼(20)은 증기배관을 통해 축열조(35)로 과열증기를 공급한다. 열매는 용융염수나 혼합부동액이 적용된다. 열매는 가열온도, 즉 과열증기의 온도를 일정 온도 이상으로 상승시킬 수 있도록 하는 것이 좋다.Therefore, the heat collected by the collector 10 is heated while focusing on the first graphite plate 74 through the through hole 78 formed in the collector 70, and the heat heated by the first graphite plate 74. The first graphite tube 71 and the second graphite tube 72 are transferred to the second graphite plate 76. At this time, the fruit introduced between the first graphite tube 71 and the second graphite tube 72 through the water supply pipe 21 of the collector 70 is heated first graphite tube 71 and the second graphite tube 72. And the first graphite plate 74 and the second graphite plate 76 change into superheated steam. The temperature of the superheated steam heated in the collector 70 is approximately 800 to 1,200 ° C. The superheated steam generated in the collector 70 is introduced into the steam drum 20 through the steam pipe 22, and the steam drum 20 supplies the superheated steam to the heat storage tank 35 through the steam pipe. The fruit is melted brine or mixed antifreeze. Fruits should be able to raise the heating temperature, that is, the temperature of superheated steam above a certain temperature.
축열장치(2)는 집열장치(1)에서 발생된 과열증기로 온돌방식의 축열조(35)를 가열하여 열을 저장한다. 축열조(35)에는 축열재가 내장되어 과열증기를 흡수한다. 축열재는 석영암, 모래, 황토 등 축열이 가능한 다양한 재료가 포함된다. 축열조(35)에는 집열장치(1)에서 과열증기를 공급하는 나선형 또는 지그재그형 과열증기관이 배관된다. 그리고 축열조(35)에는 열매수조(34)에서 열매를 공급하는 나선형 또는 지그재그형 열매공급관이 배관된다. 열매수조(34)는 집열장치(1)와 축열장치(2)로 저온의 열매를 공급하고 열교환장치(3)를 거친 유입된 열매를 저장하는 것이다.The heat storage device 2 stores the heat by heating the heat storage tank 35 of the ondol method with the superheated steam generated by the heat collecting device 1. A heat storage material is built in the heat storage tank 35 to absorb superheated steam. The heat storage material includes a variety of materials capable of heat storage such as quartz rock, sand, loess. The heat storage tank 35 is piped with a spiral or zigzag type superheated steam engine that supplies superheated steam from the heat collecting device 1. And the heat storage tank 35 is piped with a spiral or zigzag fruit supply pipe for supplying fruit from the fruit tank (34). The fruit tank 34 supplies the low temperature fruit to the heat collecting device 1 and the heat storage device 2 and stores the introduced fruit that has passed through the heat exchange device 3.
또한, 야간이나 우천 또는 흐린 날에 집열장치가 태양광을 집광하여 과열증기를 생성하지 못하는 경우에 보조 보일러(36)를 이용하여 과열증기를 공급받도록 한다. 보일러(36)는 보조 열원으로 우드펠릿이나 폐기물 성형고체연료 등을 연소시켜 과열증기를 생성하여 공급한다. 보일러(36)는 생성된 과열증기를 배관을 통해 축열장치(2)로 공급하고 열매수조(34)로부터 배관을 통해 열매를 공급받는다.In addition, when the heat collecting device collects sunlight and fails to generate superheated steam at night, on rainy days or on cloudy days, the superheated steam is supplied using the auxiliary boiler 36. The boiler 36 generates and supplies superheated steam by burning wood pellets or waste-molded solid fuel as an auxiliary heat source. The boiler 36 supplies the generated superheated steam to the heat storage device 2 through the pipe and receives the fruit from the fruit tank 34 through the pipe.
한편, 열교환장치(3)는 축열장치(2)에 저장된 열로 증기터빈(41)을 작동시켜 발전기(40)를 구동시킬 수 있도록 하는 고온고압의 포화증기를 발생시킨다. 열교환장치(3)는 외부에서 공급된 물을 정수하는 정수기(39)와, 정수기(39)를 거쳐 정수된 물과 증기터빈(41)에서 응축기(37)를 거쳐 응축된 물을 저장하는 정수조(38)를 포함한다.On the other hand, the heat exchange device (3) generates a high-temperature, high-pressure saturated steam to operate the steam turbine 41 by the heat stored in the heat storage device (2) to drive the generator (40). The heat exchanger (3) is a water purifier (39) for purifying water supplied from the outside, and a water tank for storing water purified through the water purifier (39) and water condensed through the condenser (37) in the steam turbine (41). (38).
또한, 열교환장치(3)는 축열장치(2)의 축열조(35)에서 배관을 통해 공급된 열매와 정수조(38)에서 배관을 통해 공급된 물을 열교환시킨다. 열교환장치(3)는 물을 일정 온도로 예열하는 예열기(33)와, 예열기에서 예열된 물을 포화증기로 생성하는 증기발생기(32), 그리고 증기발생기(32)의 포화증기를 가열하는 가열기(31)가 순차 설치된다.In addition, the heat exchanger 3 heat-exchanges the water supplied through the pipe in the heat storage tank 35 of the heat storage device 2 and the water supplied through the pipe in the water purification tank 38. The heat exchanger 3 includes a preheater 33 for preheating water to a predetermined temperature, a steam generator 32 for generating water preheated in the preheater as a saturated steam, and a heater for heating the saturated steam of the steam generator 32 ( 31) are sequentially installed.
이상의 설명에서 본 발명은 특정의 실시 예와 관련하여 도시 및 설명하였지만, 특허청구범위에 의해 나타난 발명의 사상 및 영역으로부터 벗어나지 않는 한도 내에서 다양한 개조 및 변화가 가능하다는 것을 이 기술분야에서 통상의 지식을 가진 자라면 누구나 쉽게 알 수 있을 것이다.While the invention has been shown and described in connection with specific embodiments thereof, it is well known in the art that various modifications and changes can be made without departing from the spirit and scope of the invention as indicated by the claims. Anyone who has a can easily know.
본 발명에 따른 집광형 태양열 발전시스템은 열손실을 최소화하여 집광 효율이 높고, 온돌방식의 축열조에서 열을 저장하여 야간이나 우천시에도 잠열을 이용할 수 있으며, 축열조의 잠열을 열교환하여 발생된 포화증기로 증기터빈을 가동시켜 지속적인 발전을 도모하고 냉난방이나 음식물 조리 등 다양한 분야에 활용할 수 있으므로 산업상 이용가능성이 있다.The condensing solar power generation system according to the present invention has a high condensing efficiency by minimizing heat loss, and stores heat in an ondol heat storage tank, and can use latent heat even at night or in rainy weather. The steam turbine can be used in various fields such as heating, heating, food cooking, etc. to promote continuous development, and thus have industrial applicability.

Claims (12)

  1. 태양을 추적하면서 하나 이상으로 조립된 집광기에서 태양광을 집광하여 집광기와 일정 간격을 두고 위치한 집열기의 가열로 집열기에 공급된 열매(Heating Medium)를 가열시켜 고온의 과열증기(Superheated Steam)를 생성하는 집열장치;By collecting the sunlight from one or more assembled concentrators while tracking the sun, heating the heating medium (heating medium) supplied to the collectors to generate high temperature superheated steam A heat collecting device;
    상기 집열장치에서 발생된 과열증기로 온돌방식의 축열조를 가열하여 열을 저장하는 축열장치;A heat storage device for storing heat by heating the heat storage tank of the ondol method with the superheated steam generated by the heat collecting device;
    상기 축열장치에 저장된 열로 증기터빈을 작동시켜 발전기를 구동시킬 수 있는 고온고압의 포화증기로 열교환시키는 열교환장치, 및A heat exchanger for exchanging heat with a saturated steam of high temperature and high pressure capable of driving a generator by operating a steam turbine with heat stored in the heat storage device;
    상기 집열장치 및 축열장치로 저온의 열매를 공급하고 열교환장치를 거쳐 유입된 열매를 저장하는 열매수조를 포함하여 이루어진 집광형 태양열 발전시스템.Condensing solar power generation system comprising a fruit tank for supplying low-temperature fruit to the heat collecting device and the heat storage device and stores the fruit flowed through the heat exchange device.
  2. 제1항에 있어서, The method of claim 1,
    상기 집광기는 한 쌍의 반구형 투명판이 접합된 양볼록물렌즈집광기, 반구형 투명판에 평판형 투명판이 접합된 평볼록물렌즈집광기 또는 어느 한 면에 요철이 형성되어 점 초점을 형성하는 프레넬렌즈집광기 중 어느 하나를 포함하는 집광형 태양열 발전시스템.The condenser is a biconvex lens condenser in which a pair of hemispherical transparent plates are bonded, a flat convex lens condenser in which a flat transparent plate is bonded to a hemispherical transparent plate, or a Fresnel lens condenser in which irregularities are formed on one surface to form point focus. Condensing solar power generation system comprising any one of.
  3. 제2항에 있어서, The method of claim 2,
    상기 양볼록물렌즈집광기와 평볼록물렌즈집광기는 각각 사각의 틀 내에 고정부재로 고정되고, 투명판의 접합으로 인하여 형성된 내부 공간에 주입공을 통해 소금이 용융된 염수가 주입되며, 투명판 사이로 주입된 염수의 부피 팽창으로 투명판의 늘어남을 흡수하는 팽창주머니가 상부에 구비되고, 풍압을 조절하기 위한 복수의 통기공이 관통 형성된 집광형 태양열 발전시스템. The biconvex lens condenser and the flat convex lens condenser are respectively fixed to the fixing member in a rectangular frame, and salt-melted salt water is injected through the injection hole into the inner space formed by the bonding of the transparent plates. Condensed solar power generation system is provided with an expansion bag for absorbing the elongation of the transparent plate by the volume expansion of the injected brine, a plurality of vent holes penetrated to control the wind pressure.
  4. 제1항에 있어서, The method of claim 1,
    상기 집열장치는,The heat collecting device,
    평면상 복수의 격자가 형성된 격자망 형상으로 격자 내에 집광기를 고정 결합하는 케이스와,A case for fixedly coupling the light collector in the lattice to a lattice network shape in which a plurality of lattices are formed on a plane;
    상기 케이스 아래에 위치된 집열기를 지지하도록 케이스와 결합된 지지바와,A support bar coupled with the case to support a collector located under the case;
    상기 케이스 양측면 중심을 힌지 결합으로 지지하고 케이스를 회동시키는 수직모터가 결합된 스탠드와,Stands are coupled to the vertical motor for supporting the center of both sides of the case by hinge coupling and the case rotates,
    상기 스탠드 하단에 회전롤러가 결합되고 회전롤러를 회동시키는 수평모터가 결합되며 지면에 고정된 기초판 위에 설치된 포스트, 및A post installed on a base plate fixed to the ground by a rotating roller coupled to the bottom of the stand and rotating a rotating roller;
    상기 집열기에 열매를 공급하는 급수관과 집열기에서 배출된 열매를 공급하는 증기관, 그리고 증기관에서 공급된 열매를 일시 저장하는 증기드럼을 지지하는 배관지지대를 포함하는 집광형 태양열 발전시스템.Condensing solar power generation system comprising a water supply pipe for supplying fruit to the collector, a steam pipe for supplying the fruit discharged from the collector, and a pipe support for supporting the steam drum for temporarily storing the fruit supplied from the steam pipe.
  5. 제4항에 있어서, The method of claim 4, wherein
    상기 케이스 상단에 태양의 고도를 감지하는 수직 태양광센서가 장착되고, 상기 포스트 전면에 태양의 방위각을 감지하는 수평 태양광센서가 장착되며, 상기 포스트에 수직 태양광센서와 수평 태양광센서의 감지신호를 수신하여 케이스가 태양과 직각이 유지되도록 수직모터 또는 수평모터를 구동시키는 전자제어반이 장착된 집광형 태양열 발전시스템.A vertical photovoltaic sensor for detecting the altitude of the sun is mounted on the top of the case, and a horizontal photovoltaic sensor for detecting the azimuth of the sun is mounted on the front of the post, and the vertical photovoltaic sensor and the horizontal photovoltaic sensor are detected on the post. Condensing solar power generation system equipped with an electronic control panel for receiving a signal to drive a vertical motor or a horizontal motor so that the case is perpendicular to the sun.
  6. 제1항에 있어서, The method of claim 1,
    상기 축열조에는 석영암 및 모래를 포함하는 축열재가 내장되고, 집열장치에서 과열증기를 공급하는 나선형 또는 지그재그형 과열증기관이 배관되며, 열매수조에서 열매를 공급하는 나선형 또는 지그재그형 열매공급관이 배관된 집광형 태양열 발전시스템.The heat storage tank includes a heat storage material including quartz rock and sand, and a spiral or zig-zag type superheated steam pipe for supplying superheated steam from a heat collecting device is piped, and a condensed spiral or zigzag type heat supply pipe for supplying fruit from a fruit tank is piped. Type solar power system.
  7. 제1항에 있어서, The method of claim 1,
    보조 열원으로 우드펠릿이나 폐기물 성형고체연료를 연소시켜 과열증기를 생성하여 공급하는 보일러를 더 포함하고, 보일러는 생성된 과열증기를 배관을 통해 상기 축열장치로 공급하고 열매수조로부터 배관을 통해 열매를 공급받는 집광형 태양열 발전시스템.The auxiliary heat source further comprises a boiler that burns wood pellets or waste-molded solid fuel to generate and supply superheated steam, and the boiler supplies the generated superheated steam to the heat storage device through a pipe and heats the fruit through a pipe from a fruit tank. Concentrated solar power system supplied.
  8. 제1항에 있어서, The method of claim 1,
    상기 열교환장치는 외부에서 공급되어 정수기를 거쳐 정수된 물과 증기터빈에서 응축기를 거쳐 응축된 물을 저장하는 정수조를 포함하고, 축열장치의 축열조에서 배관을 통해 공급된 열매와 정수조에서 배관을 통해 공급된 물이 열교환되되, 물을 일정 온도로 예열하는 예열기, 예열기에서 예열된 물을 포화증기로 생성하는 증기발생기 및 증기발생기의 포화증기를 가열하는 가열기가 순차 설치된 집광형 태양열 발전시스템.The heat exchanger includes a water purification tank for storing water condensed through a condenser in a steam turbine and water purified from an external water purifier, and pipes from a fruit and a water supply tank supplied from a heat storage tank of a heat storage device. Condensed solar power generation system in which water supplied through the heat exchanger is preheated to a predetermined temperature, a steam generator for generating preheated water as a saturated steam, and a heater for heating saturated steam of the steam generator.
  9. 제1, 4, 6, 7, 8항 중 어느 한 항에 있어서, The method according to any one of claims 1, 4, 6, 7, 8,
    상기 열매는 용융염수 또는 혼합부동액인 집광형 태양열 발전시스템.The fruit is a concentrated solar power generation system of molten brine or mixed antifreeze.
  10. 제1항에 있어서, The method of claim 1,
    상기 집열기에서 가열된 과열증기의 온도는 800~1,200℃ 인 집광형 태양열 발전시스템.Condensing solar power system of the superheated steam heated in the collector is 800 ~ 1,200 ℃.
  11. 제1항에 있어서, The method of claim 1,
    상기 집열기는, 원통형으로,The collector is cylindrical,
    내부 중심에 설치된 원통형 제1흑연관과,Cylindrical first graphite tube installed in the inner center,
    상기 흑연관 외측에 일정 간격을 두고 설치된 원통형 제2흑연관과,A cylindrical second graphite tube installed at a predetermined interval outside the graphite tube;
    상기 제2흑연관 외주면에 결합되어 열을 차폐하는 제1세라믹단열재와,A first ceramic insulating material coupled to the second graphite tube outer circumferential surface to shield heat;
    상기 제1흑연관, 제2흑연관 및 제1세라믹단열재 평면에 적층 결합되는 중앙에 통공이 형성된 원통형 제2세라믹단열재 및 원반형 제1흑연판과,A cylindrical second ceramic heat insulating material and a disc shaped first graphite plate having a through hole formed at the center of the first graphite pipe, the second graphite pipe, and the first ceramic heat insulating material laminated to the plane;
    상기 제1흑연관, 제2흑연관 및 제1세라믹단열재 저면에 적층 결합되는 원반형 제2흑연판 및 원통형 제3세라믹단열재와,A disc-shaped second graphite plate and a cylindrical third ceramic heat insulating material laminated on the bottom of the first graphite pipe, the second graphite pipe, and the first ceramic heat insulating material;
    상기 제1세라믹단열재 내지 제3세라믹단열재 외주면에 결합된 하우징이 일체 결합되고,A housing coupled to the outer circumferential surface of the first ceramic insulation to the third ceramic insulation is integrally coupled;
    상기 집열기 측면에 급수관과 증기관이 연결된 집광형 태양열 발전시스템.Condensing solar power generation system connected to the water supply pipe and the steam pipe on the side of the collector.
  12. 제11항에 있어서, The method of claim 11,
    상기 제1흑연관 외주면과 제2흑연봉 내주면에 요철이 형성된 집광형 태양열 발전시스템.A concentrating solar power generation system in which irregularities are formed on the outer circumferential surface of the first graphite tube and the inner circumferential surface of the second graphite rod.
PCT/KR2013/005775 2012-06-29 2013-06-28 Concentrated solar power generation system WO2014003491A1 (en)

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