CN101985918B - High temperature efficient ground solar steam generating set - Google Patents
High temperature efficient ground solar steam generating set Download PDFInfo
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- CN101985918B CN101985918B CN2010102827491A CN201010282749A CN101985918B CN 101985918 B CN101985918 B CN 101985918B CN 2010102827491 A CN2010102827491 A CN 2010102827491A CN 201010282749 A CN201010282749 A CN 201010282749A CN 101985918 B CN101985918 B CN 101985918B
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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
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- 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 invention discloses a high temperature ground solar steam generating set, comprising a water pump, a water tank component, a steam turbine, a generator and a system control circuit. The generating set is characterized by also comprising a condenser component, a heat exchanger component, a thermal storage box component, an oil pump, a temperature control valve, a water level control water tank component and a base component. The generating set in the invention has the advantages of reasonable structure, low carbon, environment protection, high temperature and high efficiency, lowcost, convenient installation and maintenance, safety and reliability, greatly saves land resources, and can be built in the areas at the classes of 1-5 in which national solar resources are distributed.
Description
Technical field
The present invention relates to a kind of steam electric power generator, particularly a kind of ground high temperature solar steam electric power generator.
Background technique
Because the high more heat of temperature has high more value.On thermomechanics, we are referred to as " HQ high grade " ability to the higher heat energy of temperature.For example: pentane (C
5H
12), gasoline, hydrogen, electricity, friction energy etc., the common feature of these energy is exactly when using, can reach high temperature; On the contrary, the heat energy very low to those temperature, then claimed to become " low-grade " can, perhaps " used heat " (as, the heat of the cooling water that heat and power plant's cooling tower reclaims only can be used for the domestic hot-water), purposes is limited.Conventional solar water heater is produced the hot water that is lower than 100 ℃ and can be supplied the usefulness of warming oneself, and can't be used for generating, culinary art and refrigeration.
Make solar energy have application area widely, just must manage to improve its heat-collecting temperature.Because solar beam energy density not high (being divided into five types of areas according to China's solar energy distribution) wants to improve heat-collecting temperature, just must carry out " optically focused ", gathers very large-area solar beam on the very little area.Optically focused is bigger than more, and then the heat collector operating temperature is higher.Usually the optically focused ratio is 3---10 times, operating temperature can reach 200 ℃---400 ℃;---3000 times, operating temperature will be higher, can reach 1000 ℃---is more than 3000 ℃ if get the optically focused ratio and increase to 1000.
Three major types is generally arranged: (1), multiple plane mirror reflect focalization on the method for assembling sunlight.For example, the beginning of the seventies, France are one of the platform Lu Jiancheng difficult to understand at the Pyr foot of a hill or mountain
High more than 40 metersThe large-sized solar High Temperature Furnaces, the highest focus temperature reach 3500 ℃, output power be about 1000 kilowatts,
It is made up of 11000 polylith plane mirrors, automatic tracking sun.In another example, the State of California, USA Ami sun on the 1st power station, power 10,000 kilowatts, operating temperature 500 ℃, 1,818 heliostats, each mirror 390.1 square meters, with a total area of 71,064 square meters, the tower height of 55 m, attitude is very spectacular.(2), parabolic reflection shielding film focuses on (solar range).(3), slot type focuses on (linear focusing).They are that " reflection " focuses on,
Be several up to now Whole solar focusing modes.
The a certain point focusing of all flat mirror reflects sunlight to high towers; Plane mirror needs the rotation of tracking solar; To guarantee that light can accurately be concentrated to focus; The tracing process of reflector needs the adjustment of both direction (twin shaft), and following the tracks of the motion of sun east-west direction every day respectively, and Along with season changes and the variation at the sun elevation angle that causes.
Since linear focusing be with light-ray condensing on a straight line, as long as
Heat collecting pipeCertain length is arranged, just can
Do not follow the tracks ofMoving of sun every day; Only at a distance from a few days or adjust the purpose that the elevation angle just can reach optically focused season; Lower much than point focusing aspect manufacture difficulty and cost, so, although focus temperature is a little less than point focusing; Still obtain people's attention, begun that in developed country more application has been arranged.
Solar trough focuses on utilizes mode, and more simple in structure than tower type focusing, cost is low; Day is followed the tracks of comparatively easy and easy, only need be by season, a few days or longer time are adjusted the elevation angle to the sun; Annual one back and forth gets final product, so become than the more welcome heat utilization mode of tower type focusing.
But above-mentioned solar power tower, majority are development tests, invest big, less economical, floor space is big, maintaining is difficult; From environmental angle, solar electrical energy generation itself is low-carbon (LC) very really,
But the production of the products such as monocrystalline silicon of photovoltaic solar generating, employing is not Select the high-carbon industry of not detainingThough photovoltaic generation is that at present most effective solar electrical energy generation mode, photoelectric transformation efficiency is about 15%, laboratory result also has more than 20%.The manufacturing high-purity silicon material, process complexity, power consumption is large, in ordering the assembly in solar cell production has more than half.1979 appeared amorphous thin film solar cells, very little silicon consumption, a low ordering the light weight, the application more convenient, it can be combined with the housing of the roof, constitute an independent electrical household original, but there is the photoelectric conversion efficiency low, the international advanced level of about 10%, only 6% --- the domestic level of 8%, and is not stable enough,
often reduced efficiency decline phenomenon , has not been used extensively for for large-scale solar power.
CdS developed in recent years, gallium arsenide, copper indium selenium thin film batteries, and will cut into ordering the silicon manufacturing, reduce power consumption, but the photoelectric conversion efficiency is only 6% --- 10%, while its production costs too high (Jia relatively scarce; arsenic toxic, producing large investment; CdS low photoelectric conversion efficiency of about 3.5%).
Summary of the invention
The purpose of the present invention is to provide a reasonable structure, low carbon environmental protection, high efficiency, into ordering the low, easy installation and maintenance, safety and reliability, significant savings in land resources, the distribution of solar energy resources in the 1 - Class 5 areas can be established Ground temperature solar steam generation devices.
The object of the invention can reach by following measure: a kind of ground high temperature solar steam electric power generator; Comprise water pump; Cistern assembly; Steam turbine; Generator; System, control circuit; It is characterized in that: also have the concentrator assembly; Heat exchanger assemblies; The heat storage tank assembly; Oil pump; The temperature control valve; Be filled with high temperature heat conductive oil in the thermal-collecting tube in the concentrator assembly; And by high temperature heat conduction main oil pipe; Again through two high temperature heat conduction branch oil pipes respectively with heat exchanger assemblies; High temperature reservoir in the heat storage tank assembly communicates; High temperature heat conductive oil in the high temperature reservoir of the heat exchanger assemblies three-dimensional finned tube of flowing through; Warm water in the heat exchanger assemblies conducts heat efficiently at three-dimensional finned tube and becomes steam down rapidly; Steam rises and heats once more through the three-dimensional finned tube of crossing heat space above the liquid level in the heat exchanger assemblies; Make the Steam Turbine Driven generator produce electric energy input electrical network by steam pipe then; High temperature heat conductive oil in the heat storage tank assembly in the high temperature reservoir three-dimensional finned tube of flowing through; Heat is passed to heat-storing material; Again through the low-temperature heat accumulating chamber; The temperature oil pipe; Wherein one tunnel output of temperature control valve; The oil pump pushing gets into thermal-collecting tube; When the temperature in evening or the cloudy thermal-collecting tube reduces; The temperature control valve starts; The higher high temperature heat conductive oil of temperature is through high temperature heat conduction main oil pipe in the heat storage tank assembly; High temperature heat conduction branch oil pipe gets into the high temperature reservoir and the three-dimensional finned tube of heat exchanger assemblies, improves the quantity of steam and the temperature of heat exchanger assemblies.
The object of the invention can also reach through following measure: also be provided with water level control cistern assembly; Water level control cistern assembly comprises two warm water tubes, water level switch; The warm water that comes out through steam turbine gets into cistern assembly through water pipe; Via water pipe, water pump, warm water tube, water level switch, guarantee the designated water level of warm water in the heat exchanger assemblies again.Also be provided with base assembly, base assembly comprises lower margin backing plate, four adjustment screws, two synchromesh gears, chain, rotating shaft, stepper motor, riser, and the lower margin backing plate is through on four adjustment screw ground; Through regulating four adjustment screws inclination angle of foot pad plate and ground formation adjustably; Two risers are fixedly arranged on the lower margin backing plate, and the rotating shaft activity is threaded onto on two risers, and affixed with the condenser assembly; Stepper motor is loaded on the lower margin backing plate; The rotating shaft of synchromesh gear and stepper motor is affixed, and another synchromesh gear and rotating shaft are affixed, and chain is connected between two synchromesh gears.Condenser assembly includes glass, Fresnel lens focal line, U-shaped groove, insulation materials, collector tube, heat conducting oil, frames, ribs, bushings, with the golden ratio rectangular frame consists of a number consisting of U-shaped grooves, U-shaped grooves arranged in parallel with the axial direction of the rectangular frame, U-shaped glass plate laid over the opening, the U-shaped groove is closed in a greenhouse, the Fresnel lens focal line of the glass plate under pressure, the plane and within the plane close to the glass, the rest of the space within the framework of partially filled insulation, U-shaped groove dual focus point position is fixed collector tube, collector tube is filled with heat conducting oil, bottom of the frame with ribs, ribs on a sleeve, the sleeve and the shaft socket base assembly.Heat exchanger assemblies comprises high temperature heat conduction branch oil pipe, high temperature reservoir, warm water, thermal insulation layer, crosses three-dimensional finned tube, three-dimensional finned tube, low temperature grease chamber, low temperature oil pipe, the high-temperature steam pipe of heat space; One end of high temperature heat conduction branch oil pipe communicates with high temperature heat conduction main oil pipe; The other end communicates with high temperature reservoir and three-dimensional finned tube, and an end of low temperature oil pipe communicates with the low temperature grease chamber, and the other end communicates with the low temperature heat conductive tube through oil pump; One end of high-temperature steam pipe communicates with the interior vaporium of heat exchanger assemblies; The other end communicates with steam turbine, and three-dimensional finned tube soaks in a tepid bath, and the three-dimensional finned tube of crossing heat space is arranged in vaporium.The heat-accumulating box assembly comprises thermal insulation layer, high temperature heat conduction branch oil pipe, three-dimensional finned tube, heat-accumulating material, high temperature reservoir, low temperature reservoir, low temperature oil pipe; One end of high temperature heat conduction branch oil pipe communicates with high temperature heat conduction main oil pipe, and the other end communicates with high temperature reservoir and three-dimensional finned tube, and an end of low temperature oil pipe communicates with the low temperature reservoir; The other end communicates with an end of temperature control valve; The other end of temperature control valve is provided with A, two outlets of B, and wherein the A outlet communicates with the low temperature heat conductive tube through oil pump, and the B outlet communicates with high temperature heat conduction main oil pipe; Heat-accumulating material is positioned in the space that thermal insulation layer surrounds, and surrounds three-dimensional finned tube.Described heat-accumulating material can adopt conduction oil or cotton seed oil or saltcake or dissolved salt.One of the Fresnel lens surface line coke burned a circle small to large, from the inside out, from shallow to deep concentric circles, the center part is a curved surface, the other side of the plane coincides with the plane close to the inner glass .Heat collecting pipe in the condenser assembly adopts Stainless Steel Tube to process its surfaces coated black heat-sink shell.The panel of condenser assembly is provided with a plurality of photoelectric sensors.
The present invention compares existing technology and has following advantage:
1, low-carbon environment-friendly is that steam thermal energy drives steam turbine generator output electric energy by solar energy converting directly.
2, do not use " high-carbon industry " to produce and environment had the element of pollution.
3, the condenser of solar mass conversion efficiency, conventional solar power conversion efficiency is generally in 10% --- 20%, and the condenser of the present invention the opening of the U-shaped groove with a glass plate and the Fresnel Er line focus lens combination, play refraction, reflection, greenhouse triple role, condensing efficiency 85% - 90%, concentration magnification 5,000,000 - 10,000,000 times more, a condenser temperature of up to 1000 ℃ - 2000 ℃ or so; glass effectively protect the PE line focus Fresnel lens, the service life of 20 years or more.
4, thermal-collecting tube transfer working medium in heat (high temperature heat conductive oil or dissolved salt) good stability, have homogeneous heating; Temperature adjustment control temperature accurately; Can under low-steam pressure, produce high temperature; Specific heat is big; Proportion is little, energy-conservation; Carry and characteristics such as easy to operate, cooperate with the three-dimensional finned tube of the heat exchanger with designer's patent of invention of the present invention (ZL200610036971.7) technology, can be efficiently be discharged into heat in the water, and the steam of generation heated up into superheated steam once again.
5, five area calculating, every square metre of collection area of the present invention that unit collection area generated energy is big, basis is classified to China's solar energy resources; One type of area day generated energy 5.76 degree, annual electricity generating capacity 1728 are spent; Five types of area day generated energy 2.88 degree, annual electricity generating capacities 864 are spent (annual by 300 day sunshine).The present invention is implemented using a 2 m * 1.236 m rectangle (condenser area equal to 2.472 m2) may issue the electricity equivalent to the U.S. island of Hawaii with a parabolic dish issue of power, and the power station tower condenser lens diameter of about 10 - --- 15 m (rather converging area equal to 78.5 m2 ---- 176.625 m2); the present invention is higher power than their 31. ---- 71 times, compared to the weight of the condenser 1 / 8, covers an area of 1/32, ordering the production cost of 1/5.
6, the present invention except that high temperature efficiently solar steam except that the generating, also adapt to multiple industry energy-saving and spatter row, increase economic efficiency.For example agricultural goes up to cultivating in the greenhouse cereal, fruit and vegetable dryness; Industrial is the yarn fabric dyeing and finishing; Catering industry culinary art, refinement edible oil; In life is city commercial building central air-conditioning, and the heating of large-scale community provides steam energy.Small size, light weight, into ordering the low, site selection, easy to install, easy to maintain.
Description of drawings
Fig. 1 is that system of the present invention connects schematic representation;
Fig. 2 is the structure perspective view of the high temperature heat conductive oil type of flow in the condenser assembly;
Fig. 3 is the structure sectional view of condenser assembly;
Fig. 4 is the structural representation of base assembly.
Embodiment
The present invention below will combine accompanying drawing (embodiment) to do further to detail:
With reference to Fig. 1 one Fig. 4, the present invention includes condenser assembly 1, base assembly 2, heat exchanger assemblies 3, water level control cistern assembly 4, heat-accumulating box assembly 5, water pump 9, cistern assembly 10, electrical network 11, steam turbine 13, generator 12, oil pump 15, temperature control valve 16 and system, control circuit etc.
Base assembly 2 comprises lower margin backing plate 2-10, four adjustment screw 2-1,2-2,2-7,2-8, two synchromesh gear 2-3,2-5, chain 2-4, rotating shaft 2-6, stepper motor 2-9, riser 2-11,2-12.Lower margin backing plate 2-10 is through on four adjustment screw 2-1,2-2,2-7, the 2-8 fixed bottom boundary; Through regulating four adjustment screw 2-1,2-2,2-7, the 2-8 inclination angle of foot pad plate 2-10 and ground formation adjustably, to adapt to of the variation of condenser assembly to the sun elevation angle.Two riser 2-11,2-12 are fixedly arranged on the lower margin backing plate 2-10, and rotating shaft 2-6 activity is threaded onto two riser 2-11,2-12 is last, and affixed with condenser assembly 1; Stepper motor 2-9 is loaded on the lower margin backing plate 2-10; The rotating shaft of synchromesh gear 2-3 and stepper motor 2-9 is affixed, and synchromesh gear 2-5 and rotating shaft 2-6 are affixed, and chain 2-4 is connected between two synchromesh gear 2-3, the 2-5.Stepper motor 2-9 can be according to the instruction that is contained in several photoelectric sensors on condenser assembly 1 panel; Drive synchromesh gear 2-3,2-5 through chain 2-4; Drive framework 1-7 and rotate, make the condenser assembly that connects with framework 1-7 be in a kind of high thermal-arrest state of inferring always.Because season changes, gather the adjustment of X-ray flat panel and produce condenser assembly 1 to the sun elevation angle, can realize through adjusting four adjustment screw 2-1,2-2,2-7,2-8.
Heat exchanger assemblies 3 comprises high temperature heat conduction branch oil pipe 6-1, high temperature reservoir 3-6, warm water 3-1, thermal insulation layer 3-2, crosses three-dimensional finned tube 3-3, three-dimensional finned tube 3-4, the 3-5 of low temperature grease chamber, low temperature oil pipe 7-1, the high-temperature steam pipe 14 of heat space.The end of high temperature heat conduction branch oil pipe 6-1 communicates with high temperature heat conduction main oil pipe 6, and the other end communicates with high temperature reservoir 3-6 and three-dimensional finned tube 3-4; The end of low temperature oil pipe 7-1 communicates with the 3-5 of low temperature grease chamber, and the other end communicates with low temperature heat conductive tube 7 through oil pump 15; One end of high-temperature steam pipe 14 communicates with heat exchanger assemblies 3 interior vaporium 3-7, and the other end communicates with steam turbine 13; Three-dimensional finned tube 3-4 is immersed among the warm water 3-1; The three-dimensional finned tube 3-3 that crosses heat space is arranged in vaporium 3-7.High temperature heat conductive oil 6-6 in the heat collecting pipe 1-5 is through high temperature heat conduction main oil pipe 6, high temperature heat conduction branch oil pipe 6-1, entering high temperature reservoir 3-6; The high temperature heat conductive oil 6-6 three-dimensional finned tube 3-4 that flows through; The warm water 3-1 that heat exchanger assemblies is 3 li makes warm water 3-1 become steam rapidly under three-dimensional finned tube 3-4 conducts heat efficiently; Steam rises through the three-dimensional finned tube 3-3 that crosses heat space of liquid level top (vaporium 3-7) in the heat exchanger assemblies 3; Heating reaches 400---500 ℃ again, makes steam turbine 13 drive generator 12 through high-temperature steam pipe 14, produces electric energy input electrical network 11.
Water level control cistern assembly 4 comprises two warm water tube 8-1,8-2, water level switch 4-1.The warm water that comes out through steam turbine 13 gets into cistern assembly 10 through water pipe 8-4, guarantees the designated water level of 3 li warm water 3-1 of heat exchanger assemblies again via water pipe 8-3, water pump 9, warm water tube 8-2, water level switch 4-1, warm water tube 8-1.
Heat-accumulating box assembly 5 comprises thermal insulation layer 5-1, high temperature heat conduction branch oil pipe 6-2, three-dimensional finned tube 5-2, heat-accumulating material 5-3, high temperature reservoir 5-4, low temperature reservoir 5-5, low temperature oil pipe 7-3.The end of high temperature heat conduction branch oil pipe 6-2 communicates with high temperature heat conduction main oil pipe 6, and the other end communicates with high temperature reservoir 5-4 and three-dimensional finned tube 5-2; The end of low temperature oil pipe 7-3 communicates with low temperature reservoir 5-5, and the other end communicates with an end of temperature control valve 16; The other end of temperature control valve 16 is provided with A, two outlets of B, and wherein the A outlet communicates with low temperature heat conductive tube 7 through oil pump 15, and the B outlet communicates with high temperature heat conduction main oil pipe 6; Heat-accumulating material 5-3 is positioned in the space that thermal insulation layer 5-1 surrounds, and surrounds three-dimensional finned tube 5-2.Heat-accumulating material 5-3 can adopt conduction oil, cotton seed oil, saltcake, dissolved salt etc.The accumulation of heat principle of saltcake is: it is a kind of sodium sulfate solid that contains 10 water of crystallization; Heating back is to become liquid by solid, will release heat when its solidification and crystallization, become solid-state again by liquid state; The characteristic of this heat absorption and heat release just can utilize it directly to store the heat energy of the sun.When high temperature heat conductive oil 6-6 gets into heat exchanger assemblies 3; Also get into simultaneously heat-accumulating box assembly 5; The structure fundamental sum heat exchanger assemblies 3 of heat-accumulating box assembly 5 is identical, but heating is not water, but stores heat in heat-accumulating material 5-3 (conduction oil, cotton seed oil or saltcake).High temperature heat conductive oil 6-6 in the high temperature reservoir 5-4 three-dimensional finned tube 5-2 that flows through passes to heat-storing material 5-3 to heat, forces to get into thermal-collecting tube 1-5 through low temperature reservoir 5-5, warm oil pipe 7-3, temperature control valve 16, oil pump 15 again.When the temperature of heat collecting pipe 1-5 in evening or the cloudy condenser assembly 1 reduces, temperature control cuts down door 16 and starts high-temperature heat accumulation chamber 3-6 and the three-dimensional finned tube 3-4 of the higher conduction oil of temperature in the heat-accumulating box assemblies 5 through high temperature heat conduction main oil pipe 6, high temperature heat conduction branch oil pipe 6-1 entering heat exchanger assemblies 3; Improve the steam flow and the temperature of heat exchanger assemblies 3, make steam turbine 13 continue to generate electricity, have very much practicability.Heat-accumulating box assembly 5 can be with 400 under better heat-retaining condition---500 ℃ heat of high temperature accumulation of heat 24 hours, thermal loss only 100---200 ℃.
System, control circuit all adopts computer, and it monitors, guarantees safe operation to all devices.
Actual use, due to the condenser assembly 1 with a Fresnel lens focal line 1-2, the light gathered in a straight line, as long as the collector tube with a length of 1-5, in the manufacturing difficulty and cost than the focus point much lower, the Japanese track only by a stepping motor shaft 2-6 2-9 in the condenser assembly a panel of several photoelectric sensor (not shown) under the direction of the sync track the sun gear 2-3,2-5 daily east-west direction of rotation.Other utilizes lower margin adjustment screw 2-1,2-2,2-7, the 2-8 of base assembly 2, and one of every year is reciprocal, and the variation of the sun is followed the tracks of at artificial adjustment condenser assembly 1 elevation angle, and is comparatively easy to be easy.In addition U type groove 1-3 focuses on utilizes mode, and more simple in structure than tower type focusing, the cross-compound arrangement that can simplify between base assembly 2 and framework 1-7 is a single-shaft configuration.
Application Fresnel lens focal lines 1-2 to focus sunlight to 1/10 or 1/1000 of receiving surface condenser temperature up to 500 - 1000 ℃ or more, solar concentrator efficiency up to 80% - 85 % or more, the present invention is to fully meet the high temperature, high efficiency solar steam requirements.This lens can reduce the geometric height (thickness) of convex lens widely.With the current materials, technology advances, the use of electroplating mold process and the use of modern optical plastics (eg acrylic, PE polyethylene, etc.) from repression, the lens can be made very thin (up to 0.5mm thick), weight light, into ordering the low life expectancy of up to 15 years.Fresnel lens focal line 1-2 of a surface burned a circle small to large, from the inside out, from shallow to deep concentric circles (from the profile appears jagged), the center part is a curved surface.The plane of another side just in time is close to glass plate 1-1 inner plane.U-groove bevel 1-3 inner focusing point fixed-site heat collecting pipe 1-5, heat collecting pipe 1-5 make high temperature heat conductive oil 6--6 intensification in the pipe; High temperature heat conductive oil 6-6 gets into high temperature reservoir 3-6, the 5-4 of 5 li of heat exchanger assemblies 3, heat-accumulating box assembly simultaneously through high temperature heat conduction branch oil pipe 6-1,6-2; The three-dimensional finned tube 3-5 of heat exchanger assemblies 3, heat-accumulating box assembly 5 the insides, 5-2 adopt the heat exchange and the evaporating principle design (seeing another patent of invention of designer of the present invention, patent No. ZL200610036971.7) of hot fluid aerodynamics and engineering thermodynamics.Compare with identical heat exchanger, area improves 5-6 doubly.Heat exchanger assemblies 3, heat-accumulating box assembly 5 make conduction oil improve heat transfer efficiency 30%, and steam and accumulation of heat can speed double than existing technology.1-3 opening of the U-shaped groove with a glass plate and seep combined Fresnel lens focal line, play refraction, reflection, greenhouse triple role, condensing efficiency at 85% - 90%, and the heat transfer tube 1 -5 6-6 inside the heat conducting oil temperature 500 - 1000 ℃ or more.
The evaporation water level that heat exchanger assemblies is 3 li guarantees that by the water level switch 4-1 of 4 li of water level control cistern assemblies the height of water level is decided by the height to vapor (steam) temperature.The water level top has one section three-dimensional finned tube 3-3 to use use as superheated vapor.Superheated vapor gets into steam turbine 13 through steam pipework 14 and drives generator 12, carries electric current to advance electrical network 11.The warm water that comes out through steam turbine gets into water tank 10 through water pipe 8-4, is guaranteed the water level 3-1 of 3 li settings of heat exchanger assemblies again by water pipe 8-3, water pump 9, water pipe 8-2,8-1.Conduction oil entering low temperature reservoir 3-5 after the three-dimensional finned tube 3-4 release heat that heat exchanger assemblies is 3 li, oil pump 15, low temperature heat conductive tube 7, low temperature oil pipe 7-1 get into the heat collecting pipe 1-5 of 1 li of condenser assembly again, heat up once again.
After high temperature heat conductive oil 6-6 in the three-dimensional finned tube 5-2 of heat-accumulating box assembly 5 the insides gives heat-accumulating material 5-3 (conduction oil, cotton seed oil, saltcake, dissolved salt) heat release; Conduction oil gets into low temperature reservoir 5-5; A mouth through low temperature oil pipe 7-3, temperature control valve 16 gets into oil pump 15, low temperature heat conductive tube 7; Get back to the heat collecting pipe 1-5 of 1 li of heat collector assembly, heat up once again.
The effect of heat-accumulating box assembly 5: under the normal situation of sunlight; The electromagnet D outage of temperature control valve 16, high temperature heat conductive oil 6-6 gets into heat-accumulating box assembly 5 through high temperature heat conduction branch oil pipe 6-2, makes heat-accumulating material 5-3 accumulation of heat; The conduction oil of low temperature is through low temperature reservoir 5-5; The A mouth of low temperature oil pipe 7-3, temperature control valve 16 gets into low temperature heat conductive tube 7, and the low temperature conduction oil is got back to the heat collecting pipe 1-5 of 1 li of heat collector assembly under oil pump 15 positive actions, heats up once again.Constantly solar energy is saved in circulation.
Evening and overcast and rainy, solar energy intensity reduction; High temperature heat conductive oil 6-6 temperature in the thermal-collecting tube 1-5 that the concentrator assembly is 1 li is than reducing daytime; Influence heat exchanger assemblies 3 steam productions and temperature; The at this time electromagnet D of temperature control valve 16 energising; Store at the solar energy in the heat-storing material 5-3 and discharge to the conduction oil 6-6 in the three-dimensional finned tube 5-2, the conduction oil that gets into 5 li of heat storage tank assemblies is heated up, this temperature is bound to be higher than the conduction oil 6-6 that concentrator assembly 1 comes out; B mouth by temperature control valve 16 flows into high temperature heat conduction main oil pipe 6 again, high temperature heat conduction branch oil pipe 6-1 gets into heat exchanger assemblies 3, has improved the heat-exchange capacity of the three-dimensional finned tube 3-4 of 3 li of heat exchanger assemblies.Guarantee that there are enough high-temperature steam uninterruptable power generations at evening, cloudy day.
Claims (9)
1. ground high temperature solar steam electric power generator; Comprise water pump (9), cistern assembly (10), steam turbine (13), generator (12), system, control circuit; It is characterized in that: also have condenser assembly (1), heat exchanger assemblies (3), water level control cistern assembly (4), heat-accumulating box assembly (5), oil pump (15), temperature control valve (16); Be filled with high temperature heat conductive oil (6-6) in the heat collecting pipe (1-5) in the condenser assembly (1); And through high temperature heat conduction main oil pipe (6); Pass through again high temperature heat conduction branch oil pipe (6-1,6-2) respectively with heat exchanger assemblies (3), heat-accumulating box assembly (5) in high temperature reservoir (3-6,5-4) communicate; High temperature heat conductive oil (6-6) in the high temperature reservoir (3-6) of heat exchanger assemblies (3) the three-dimensional finned tube (3-4) of heat exchange of flowing through; The warm water (3-1) of heat exchanger assemblies (3) lining becomes steam rapidly under the three-dimensional finned tube of heat exchange (3-4) conducts heat efficiently; Steam rises and heats once more through the three-dimensional finned tube (3-3) of crossing heat space above the interior liquid level of heat exchanger assemblies (3); Make steam turbine (13) drive generator (12) through steam tube (14) then and produce electric energy input electrical network (11); High temperature heat conductive oil (6-6) in the heat-accumulating box assembly (5) in the high temperature reservoir (5-4) the three-dimensional finned tube (5-2) of accumulation of heat of flowing through is passed to heat-accumulating material (5-3) to heat, again through the low-temperature heat accumulating chamber (5-5), warm oil pipe (7-3), temperature control valve (16) wherein one the tunnel, oil pump (15) forces to get into heat collecting pipe (1-5); When the temperature in evening or the cloudy heat collecting pipe (1-5) reduces, temperature control valve (16) starts; Temperature higher high temperature heat conductive oil (6-6) in heat-accumulating box assembly (5) lining gets into the high temperature reservoir (3-6) and the three-dimensional finned tube (3-4) of heat exchange of heat exchanger assemblies (3) through high temperature heat conduction main oil pipe (6), high temperature heat conduction branch oil pipe (6-1), improve the steam flow and the temperature of heat exchanger assemblies (3), and water level is controlled cistern assembly (4) and comprised two warm water tubes (8-1,8-2), water level switch (4-1); The warm water that comes out through steam turbine (13) gets into cistern assembly (10) through water pipe (8-4), guarantees the designated water level of heat exchanger assemblies (3) lining warm water (3-1) again via water pipe (8-3), water pump (9), warm water tube (8-2), water level switch (4-1), warm water tube (8-1).
2. ground according to claim 1 high temperature solar steam electric power generator; It is characterized in that: also be provided with base assembly (2); Base assembly (2) comprises lower margin backing plate (2-10), four adjustment screw (2-1,2-2,2-7,2-8), first synchromesh gears (2-3), second synchromesh gear (2-5), chain (2-4), rotating shaft (2-6), stepper motor (2-9), two risers (2-11,2-12); Lower margin backing plate (2-10) is through on four adjustment screw (2-1,2-2,2-7,2-8) fixed bottom boundaries; Through regulating four adjustment screws (2-1,2-2,2-7,2-8) inclination angle of constituting of foot pad plate (2-10) and ground adjustably; Two risers (2-11,2-12) are fixedly arranged on the lower margin backing plate (2-10), and rotating shaft (2-6) activity is threaded onto on two risers (2-11,2-12), and affixed with condenser assembly (1); Stepper motor (2-9) is loaded on the lower margin backing plate (2-10); First synchromesh gear (2-3) is affixed with the rotating shaft of stepper motor (2-9), and second synchromesh gear (2-5) is affixed with rotating shaft (2-6), and chain (2-4) is connected between first synchromesh gear (2-3) and second synchromesh gear (2-5).
3. ground according to claim 2 high temperature solar steam electric power generator; It is characterized in that: condenser assembly (1) comprises glass plate (1-1), Fresnel line focus lens (1-2), U-groove bevel (1-3), thermal insulating material (1-4), heat collecting pipe (1-5), high temperature heat conductive oil (6-6), framework (1-7), floor (1-8), axle sleeve (1-9); Be provided with a plurality of U-groove bevels (1-3) in the rectangular-shaped frame frame (1-7) with the golden section formation; U-groove bevel (1-3) is arranged in parallel within on rectangular frame (1-7) long axis direction, and glass plate (1-1) is laid in U type opening top, makes U-groove bevel (1-3) seal into the greenhouse; Fresnel line focus lens (1-2) is pressed under the glass plate (1-1); Its plane and glass plate (1-1) inner plane is close to, and remaining space segment fills up thermal insulating material (1-4) in the framework (1-7), and U type groove (1-3) double focus point is being fixed heat collecting pipe (1-5) on the position; Be filled with high temperature heat conductive oil (6-6) in the heat collecting pipe (1-5); The bottom of framework (1-7) is provided with floor (1-8), and floor (1-8) is provided with axle sleeve (1-9), rotating shaft (2-6) socket in axle sleeve (1-9) and the base assembly (2).
4. ground according to claim 1 high temperature solar steam electric power generator; It is characterized in that: heat exchanger assemblies (3) comprises high temperature heat conduction branch oil pipe (6-1), high temperature reservoir (3-6), warm water (3-1), thermal insulation layer (3-2), the three-dimensional finned tube (3-3) of crossing heat space, the three-dimensional finned tube (3-4) of heat exchange, low temperature grease chamber (3-5), low temperature oil pipe (7-1), high-temperature steam pipe (14); One end of high temperature heat conduction branch oil pipe (6-1) communicates with high temperature heat conduction main oil pipe (6); The other end communicates with high temperature reservoir (3-6) and the three-dimensional finned tube of heat exchange (3-4); One end of low temperature oil pipe (7-1) communicates with low temperature grease chamber (3-5); The other end communicates with low temperature heat conductive tube (7) through oil pump (15), and an end of high-temperature steam pipe (14) communicates with the interior vaporium (3-7) of heat exchanger assemblies (3), and the other end communicates with steam turbine (13); The three-dimensional finned tube of heat exchange (3-4) is immersed in the warm water (3-1), and the three-dimensional finned tube (3-3) of crossing heat space is arranged in vaporium (3-7).
5. ground according to claim 1 high temperature solar steam electric power generator; It is characterized in that: heat-accumulating box assembly (5) comprises thermal insulation layer (5-1), high temperature heat conduction branch oil pipe (6-2), the three-dimensional finned tube (5-2) of accumulation of heat, heat-accumulating material (5-3), high temperature reservoir (5-4), low temperature reservoir (5-5), low temperature oil pipe (7-3); One end of high temperature heat conduction branch oil pipe (6-2) communicates with high temperature heat conduction main oil pipe (6); The other end communicates with high temperature reservoir (5-4) and the three-dimensional finned tube of accumulation of heat (5-2); One end of low temperature oil pipe (7-3) communicates with low temperature reservoir (5-5), and the other end communicates with an end of temperature control valve (16), and the other end of temperature control valve (16) is provided with A, two outlets of B; Wherein the A outlet communicates with low temperature heat conductive tube (7) through oil pump (15); B outlet communicates with high temperature heat conduction main oil pipe (6), and heat-accumulating material (5-3) is positioned in the space that thermal insulation layer (5-1) surrounds, and surrounds accumulation of heat three-dimensional finned tube (5-2).
6. ground according to claim 5 high temperature solar steam electric power generator is characterized in that: described heat-accumulating material (5-3) adopts conduction oil or cotton seed oil or saltcake or melts salt.
7. ground according to claim 3 high temperature solar steam electric power generator; It is characterized in that: one of them surperficial imprinting of Fresnel line focus lens (1-2) one circle circle ascending, from inside to outside, concentric circle from shallow to deep; Center of circle part is a curved surface, and the plane of another side just in time is close to glass plate (1-1) inner plane.
8. ground according to claim 1 high temperature solar steam electric power generator is characterized in that: the heat collecting pipe (1-5) in the condenser assembly (1) adopts Stainless Steel Tube to process its surfaces coated black heat-sink shell.
9. ground according to claim 1 high temperature solar steam electric power generator is characterized in that: the panel of condenser assembly (1) is provided with a plurality of photoelectric sensors.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102827491A CN101985918B (en) | 2010-09-14 | 2010-09-14 | High temperature efficient ground solar steam generating set |
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| CN2010102827491A CN101985918B (en) | 2010-09-14 | 2010-09-14 | High temperature efficient ground solar steam generating set |
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| CN101985918B true CN101985918B (en) | 2012-11-07 |
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| CN102635956A (en) * | 2012-03-21 | 2012-08-15 | 深圳市库马克新技术股份有限公司 | Solar heat-collecting power generation device |
| CN108087219A (en) * | 2017-12-14 | 2018-05-29 | 朱兰英 | A kind of simple power generator |
| CN110595218B (en) * | 2019-09-18 | 2022-03-11 | 贵州东睿能源科技有限公司 | Efficient recovery device and method for sensible heat system of industrial high-temperature material |
| US11402131B1 (en) * | 2021-01-18 | 2022-08-02 | Renewable Energy Aggregators Inc. | Hardened solar energy collector system |
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| US6701711B1 (en) * | 2002-11-11 | 2004-03-09 | The Boeing Company | Molten salt receiver cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6672064B2 (en) * | 2002-03-14 | 2004-01-06 | The Sun Trust, L.L.C. | Rankine cycle generation of electricity |
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| US6701711B1 (en) * | 2002-11-11 | 2004-03-09 | The Boeing Company | Molten salt receiver cooling system |
| CN201190639Y (en) * | 2008-05-22 | 2009-02-04 | 吴中华 | High-power solar storage type steam turbine generation system |
| CN101392736A (en) * | 2008-05-29 | 2009-03-25 | 中国科学技术大学 | Solar low-temperature thermal power generation and cold- thermal co-feeding system |
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