CN104153953B - Multi-mode groove type solar Bretton thermal electric generator - Google Patents

Multi-mode groove type solar Bretton thermal electric generator Download PDF

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CN104153953B
CN104153953B CN201310180460.2A CN201310180460A CN104153953B CN 104153953 B CN104153953 B CN 104153953B CN 201310180460 A CN201310180460 A CN 201310180460A CN 104153953 B CN104153953 B CN 104153953B
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heat exchanger
bretton
condensing
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CN104153953A (en
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张建城
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张建城
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    • 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

Abstract

Multi-mode groove type solar Bretton thermal electric generator of the present invention fully uses the hot generation technology of Bretton determining next generation's development, take into account use solar energy and regenerative resource, and select the gas of different gas or mixing as heat transfer and dynamic medium, use heat-storage technology and the power generation complemented technology of heat of innovation, reduce cooling water or without water, strive simplify structure, reduce cost, extend generating time number, expand and have bigger technological break-through in range.This device belongs to solar energy thermal-power-generating technical field.

Description

Multi-mode groove type solar Bretton thermal electric generator
Technical field
Multi-mode groove type solar Bretton thermal electric generator of the present invention fully uses the decision next generation The hot generation technology of Bretton of development, take into account use solar energy and regenerative resource and different supercritical, Or the gaseous heat transfer medium of mixing, use heat-storage technology and the power generation complemented technology of heat of innovation, reduce cooling With water or without water, strive number, expansion range when simplifying structure, reducing cost, prolongation generating On have bigger technological break-through.This device belongs to solar energy thermal-power-generating technical field.
Background technology
The hot generation technology of supercritical Brayton cycle is very likely adopted by solar energy thermal-power-generating technology With.Its reason is that the generating of supercritical Brayton cycle heat has the advantage that system thermal photoelectric transformation efficiency is high; Next to that power working medium such as air, helium, carbon dioxide gas etc. is nontoxic, environmentally friendly;It is cold again But air cooling technique is used;Four is that system bulk is little, consumes metal material few;Five are advantageous for reduction system Construction cost.It is obvious that this technology not only fuel gas generation, nuclear power field and at solar energy thermal-power-generating Field also will have good application prospect.Supercritical Brayton cycle is used in solar energy thermal-power-generating field Hot generation technology has been public technology, United States Patent (USP) US7685820 " the supercritical carbon dioxide optically focused sun Energy generating system apparatus " detail by fused salt heat exchanging and use supercritical carbon dioxide gas as power The device structure of working medium, this patent is by Lang Ken steam heat generating dress on the basis of tradition fused salt heat storage and exchange Putting and simply replace with supercritical Brayton cycle dynamic power device, the Chinese patent families of this patent is 200710306179.3.Heat transfer is then directly situated between by United States Patent (USP) US2012216536A1 almost identical with this Matter changes carbon dioxide into, changes double tank heat accumulation for single tank heat accumulation simultaneously.But total sees, at present at the sun The hot generation technology of supercritical Brayton cycle can be used also to be only in the starting stage in field, the space of innovation The biggest.Chinese patent 200910175484.2 " groove type solar heat build-up TRT " uses and includes dioxy Changing carbon gas and do heat-transfer working medium in interior multiple gases, this technical scheme compares supercritical Brayton cycle Dynamic mode has open defect, it is important to do not play the advantage that carbon dioxide critical point is low, for further Improve thermoelectrical efficiency, it should be transformed into supercritical Brayton cycle dynamic power pattern.
Summary of the invention
The technical problem to be solved is for Chinese patent 200910175484.2 " slot type Solar energy heat build-up TRT " improve, it is therefore an objective on the basis of retaining original technology, use super The hot generation technology of critical Brayton cycle, technical measures has four, is first to use on the basis of former The hot generation technology of supercritical Bretton;Two is to simplify solar energy atomization flash-evaporation and Bretton power cycle structure, Play each its advantage;Three are equipped with machine Lang Ken thermal electric generator or lithium bromide air-conditioning plant, it is achieved heat Can cascade utilization;Four is by solar energy and biological energy complementary, number when extending generating, it is achieved solar energy and Biomass utilization efficiency maximizes.
The present invention is achieved by the following technical solutions:
1, described multi-mode groove type solar Bretton thermal electric generator include parabola groove light-condensing array, Line focus strengthening thermal-collecting tube, power working medium, fused salt heat accumulation heat-transfer working medium, transfer line, gasifying pot, combustion Burning room, QI invigorating window or air intlet, Bretton thermal electric generator, compression pump, water pump, heat exchanger, Afterburner, light-condensing array and power generation control;Heat-storing device, condensing heat exchanger, air-cooling apparatus, Air accumulator, biogas generating means, water separator, organic Lang Ken TRT, lithium bromide is empty Adjust unit, be primarily characterized in that: the line focus strengthening thermal-collecting tube in parabola groove light-condensing array is by transmission Pipeline connects the turbine air inlet of Bretton thermal electric generator;Turbine gas outlet connects heat exchanger import, Heat exchanger exit connects afterburner import, and afterburner outlet connects condensing heat exchanger import, condensing heat exchanger Outlet is directly connected to compression pump, or connects compression pump through water separator;Water separator gas goes out Mouth connection compression pump import;Compression pump outfan connects afterburner and mends hot side inlet, and concurrent heating brings out mouth and connects The strengthening thermal-collecting tube import of parabola groove light-condensing array line focus;In parabola groove light-condensing array, layout line focuses on strong Change thermal-collecting tube, gasifying pot;Gasifying pot condensed water input connects water pump outfan, and water pump input connects Water separator outfan, water separator input connects condensing heat exchanger;Condensed water input vapour It is atomized through nebulizer after changing tank, the high temperature power Working medium gas exported through compression pump with parabola groove light-condensing array At vaporization in-tank mixing, gaseous mixture input next stage parabola groove light-condensing array;High-temperature gas mixture body is at parabolic Groove light-condensing array expands after continuous heat temperature raising in combustor jointly enters turbine with biological fuel gas Acting generating, drives compression pump by the power working medium pressurization of condensation simultaneously, again enters after afterburner heats up Enter parabola groove light-condensing array, complete Brayton cycle dynamic power;Combustor connects air accumulator, air accumulator Connect biogas generating means;Biogas is in combustor and high-temperature gas mixture body mixed combustion;Through cold The weary gas component that solidifying heat exchanger condensation is discharged is mainly the mixture of carbon dioxide gas and water, is divided by soda pop Compression pump recirculation is reentered from the isolated gas of device namely power Working medium gas;The condensation separated Water is then sent into heat exchanger through water pump and is heated up, and connects the row atomization again of gasification tank nebulizer spout afterwards;Heat accumulation fills Put and be arranged on parabola groove light-condensing array transfer line import and export two ends, in illumination abundance time-division mobilization force working medium Enter heat-storing device heat exchange energy storage;During illumination deficiency, power working medium flows through heat-storing device to extend generating dutation; Starting biogas complementary program when unglazed photograph or illumination deficiency, biogas mixes with high temperature at combustor Close gas mixed combustion;High-temperature fuel gas through turbine expansion work and complete chemistry reformation heel row go out, discharge High temperature mix weary gas enter heat-storing device heat exchange energy storage, enter through heat exchanger from heat-storing device expellant gas Enter condenser condensation separation;The gas component reformed through turbine expansion work and chemistry is mainly titanium dioxide Carbon gas and pure water;Pure water continues cycling through use, and carbon dioxide gas returns blood circulation, unnecessary titanium dioxide Carbon gas collects recycling;Heat-storing device is fused salt heat-storing device or ceramic honeycomb heat-storing device;For reducing The cost present invention is single tank and arranges;Condensing heat exchanger condensation end is imported and exported and is connected to machine youth Ken Refa The heat exchanger of electric installation or LiBr-Air-conditioner unit is imported and exported, or is substituted completely by LiBr-Air-conditioner unit Condensing heat exchanger is as condensing heat-exchange terminal, to realize solar energy cascade utilization;This device maximum is special Point is to be not necessary for device moisturizing, it is not required that water carries out condensation heat radiation, thus can overcome existing slot type The drawback that solar energy thermal-power-generating technology water consumption is big.
1) described Bretton thermal electric generator include turbine, heat exchanger, afterburner, compression pump, Electromotor, condensing heat exchanger, QI invigorating window or air intlet;Power working medium;
2) described condensing heat exchanger can be substituted by air-cooling apparatus, does not use water cooling equipment;
3) described power working medium be air or carbon dioxide gas or nitrogen or nitric oxide gas, Or helium or alkanes gas;Alkanes gas refers mainly to be easily obtained, originate sufficient biogas Activating QI, biogas, natural gas, combustible ice air-liquid liquefied oil gas;Or Aalcohols fuel such as methanol, ethanol, Dimethyl ether;Or fuel oil such as bavin gasoline, kerosene, heavy oil;
4) described gasifying pot includes that pressure-bearing tank body, nebulizer and nozzle thereof, connection parabolic trough type gather The power working medium turnover port of optical arrays line focus strengthening thermal-collecting tube;Nebulizer by aqueous water atomization so as Saturated vapor it is quickly generated in gasifying pot;Saturated vapor in gasifying pot and line focus strengthen thermal-collecting tube with height Temperature power Working medium gas is sufficiently mixed constantly heats into superheated steam.
5) described QI invigorating window is arranged for guaranteeing biogas fully to burn, QI invigorating window With short covering gas or oxygen or combustion adjuvant as major function;
6) described heat-storing device refers to fused salt heat-storing device or ceramic honeycomb heat-storing device, all adopts By single tank heat-storage technology;Wherein fused salt heat-storing device include tank body, heat storage exchanger, heat exchanger tube, fused salt, Solid heat-storage medium and container, transmission pipeline;In wherein heat storage exchanger is placed in tank body, use corrosion-resistant, High-temperature alloy metal, or special cermacis making;The heat exchanger tube of heat storage exchanger be high temperature alloy metal or Special clay porcelain tube;Heat exchanger tube is finned thermoexcell outside bellows tube or pipe;Solid heat accumulation is situated between Matter and container are for reducing fused salt usage amount, improve heat accumulation efficiency and arrange;Solid heat-storage medium selection quartz, Or glass or pottery or graphite, and fused salt collectively constitutes heat-storage medium;Solid heat vessel uses spy Planting ceramic making, for cylindrical case, rectangular box body, annular casing, solid heat vessel outer wall sets fused salt Liquid communication hole, hole diameter is to be limited less than solid heat-storage medium;Solid heat vessel and heat exchanger tube Interlaced arrangement;Ceramic honeycomb heat-storing device includes tank body, ceramic honeycomb thermal accumulator body, heat exchanger tube;Heat exchanger tube One end is that the import other end is for exporting;Ceramic honeycomb thermal accumulator body mainly by special cermacis, general porcelain, cordierite, Mo Laishi, corundum-mullite, aluminium oxide, aluminium titanates, spodumene, sodium zirconium phosphate, zircon, zirconium chromium Corundum material makes;Ceramic honeycomb thermal accumulator body is staggered with heat exchanger tube, it is ensured that high temperature gas flow is unobstructed, changes The thermal efficiency is high.Also fused salt can be filled in ceramic honeycomb heat-storing device.Heat-storing device connects parabola groove optically focused battle array Row and the import and export of combustion gas discharge line can share, it is possible to set up respectively in heat-storing device import and export and Heat exchange discharge duct.
2, multi-mode groove type solar Bretton thermal electric generator includes parabola groove light-condensing array, line Focus on strengthening thermal-collecting tube, power working medium, heat-transfer working medium, transfer line, combustor, air intlet, cloth Thunder pauses thermal electric generator, compression pump, heat exchanger, afterburner, weary gas heat exchanger, light-condensing array and generating Control device;Heat-storing device, condensing heat exchanger, air-cooling apparatus, air accumulator, biogas occur Device, organic Lang Ken TRT, LiBr-Air-conditioner unit, it is primarily characterized in that: to Bretton heat TRT improves so that it is becomes coaxial, have the novel Bretton of two groups of turbines and compression pump Thermal electric generator;One of which is open type combustion gas Bretton thermal electric generator, and another group is enclosed supercritical Bretton thermal electric generator, two covering devices realize the common acting of integration;According to the character of power working medium, Biogas selects the generating of open type Brayton cycle heat;Carbon dioxide gas or nitric oxide aerodynamic force working medium Select the generating of Closed Brayton Power Cycle heat;Or it is respectively provided with the Bretton thermal electric generator composition that two sets are independent One operation of electric power system, solar thermal energy is for enclosed supercritical Bretton dynamic power, and combustion gas is for opening Formula Bretton dynamic power uses;Or two set TRT run cogeneration simultaneously;It is in operation and passes through Heat-storing device realizes complementation.
Select solar energy and biological energy complementary to be derived from regenerative resource and generally there is instability, no Continuously, the objective fact such as energy resource density is low, only by having complementary advantages, learning from other's strong points to offset one's weaknesses and could effectively extend Number during generating, creates and the condition of fossil energy competition technically;Implement complementary technology in the present invention There will be three kinds of situations, this device when being illumination abundance is operated in solar energy supercritical Brayton cycle and sends out Electricity condition;Two is that illumination deficiency opens two set Bretton thermal electric generators, solar thermal energy and biomass simultaneously Can do work generating simultaneously;Three is to close solar energy system, relies on biomass energy to drive two covering devices to send out simultaneously Electricity.
For the first situation, close the hot power generation part of biogas Bretton, rely on solar energy to surpass Critical Brayton cycle dynamic power;Power working medium select carbon dioxide or nitric oxide be commonly called as " laughing gas ", Or helium;Line focus strengthening thermal-collecting tube in parabola groove light-condensing array connects Bretton heat by transfer line The turbine air inlet of TRT;Turbine gas outlet connects heat exchanger import, and heat exchanger exit connects Afterburner import, afterburner outlet connects condensing heat exchanger import, and condensing heat exchanger outlet connects compression pump Import;Compression pump outfan connects afterburner and mends hot side inlet, and concurrent heating brings out mouth and connects parabola groove optically focused battle array Alignment focuses on strengthening thermal-collecting tube import;Cyclic process is typical supercritical Brayton cycle process, the most dynamic Power working medium enters the generating of turbine expansion work, band action pneumatic simultaneously through parabola groove light-condensing array heat temperature raising Pump, by the power working medium pressurization of condensation, is again introduced into parabola groove light-condensing array after afterburner heats up, completes Brayton cycle dynamic power.
For the second situation, opening biogas Bretton thermal electric generator, the air covered enters Mouth connection afterburner, enters compression pump after afterburner concurrent heating, and the pressure-air that compression pump produces enters combustion Burning room and biogas mixed combustion, the high temperature gas flow of formation enters turbine expansion work and generating, row It is the air concurrent heating sucked that the high temperature exhaust steam gone out enters afterburner, subsequently enters heat-storing device, in fully profit With while weary gas heat accumulation as an alternative the thermal source of solar energy keep supercritical Brayton cycle thermal electric generator Continuing stable operation, the weary gas of combustion gas is expelled to air after circulating heat release in heat-storing device;Or at turbine Outlet port arranges weary gas heat exchanger specially, turbine through weary gas heat exchanger exit be simultaneously connected with afterburner and Heat-storing device, afterburner one end connects condenser;Weary gas heat exchanger heat-exchange end connects the generating of organic Lang Ken heat Device.This operational mode generates electricity with traditional combustion gas Bretton heat and combines hot generating institute with the circulation of Lang Ken steam Except for the difference that, two covering devices are Brayton cycle dynamic power.
Utilizing for realizing thermal energy step, the entrance end in condensing heat exchanger condensation side connects organic Lang Ken thermal electric generator, or substituted condensation radiator completely by LiBr-Air-conditioner unit as condensing heat-exchange eventually End;Or the weary gas heat exchanger organic Lang Ken thermal electric generator of connection, energy are set specially at turbine outlet port It is effectively improved efficiency of utilization;
Described combustor is the special equipment of conventional gas Bretton thermal electric generator, and combustor is arranged At turbine inlet;Or use as fluid combustion room.
1) described air intlet is to aim at Bretton thermal electric generator to send out being used alone biogas Arrange during electricity;The generating of open type combustion gas Brayton cycle is used then to open air intlet;Use enclosed to surpass to face Air intlet is then closed in boundary's Brayton cycle heat generating;
2) in biogas power generation mode, the air compressed through compression pump mixes with biogas Rear entrance combustion chambers burn forms combustion gas, and combustion gas enters turbine and expands workmanship;The high temperature that turbine is discharged Weary gas is sent directly into weary gas heat exchanger after afterburner and drives organic Lang Ken thermal electric generator through heat exchange, then send Outside LiBr-Air-conditioner unit discharge machine;Or be sent directly into after the high temperature weary gas entrance afterburner of turbine discharge Heat-storing device provides heat energy for enclosed supercritical Bretton thermal electric generator;Or arrange through LiBr-Air-conditioner unit Outside machine;After compressor inlet sucks air compression, order enters afterburner, turbine, starts new opening Formula Brayton cycle heat generates electricity;
3, multi-mode groove type solar Bretton thermal electric generator includes parabola groove light-condensing array, line Focus on strengthening thermal-collecting tube, power working medium, transfer line, gas fuel boiler, Bretton thermal electric generator, Compression pump, heat exchanger, afterburner, light-condensing array and power generation control;Heat-storing device, condensing heat-exchange Device, air-cooling apparatus, air accumulator, biogas generating means, fuel-firing gas-firing feedway, organic Lang Ken TRT, LiBr-Air-conditioner unit, be primarily characterized in that: by solar energy and biogas, Fuel-firing gas-firing composition complementary cycle Bretton heat generating system;Wherein parabola groove light-condensing array, heat-storing device, Transfer line, gas fuel boiler collectively constitute thermal source feed system;Gas fuel boiler is Bretton heat TRT provides thermal source complementary system;Described gas fuel boiler is arranged on the transmission of parabola groove light-condensing array Pipeline is imported and exported two ends and is connected in parallel with heat-storing device formation;Or gas fuel boiler is connected on parabola groove and gathers In the middle of the optical arrays transfer line port of export and heat-storing device import;Or gas fuel boiler series and parallel is at cloth Thunder pauses in thermal electric generator system;Air accumulator connects the fuel nozzle import of gas fuel boiler, the other end Connect biogas generating means or gas fuel device;Gas fuel power working medium is at gas fuel boiler Interior burning provides high temperature complementation thermal source for Bretton thermal electric generator, and the high temperature exhaust steam of discharge enters heat accumulation dress It is expelled to air after putting circulation heat release;
1) described power working medium be air or carbon dioxide gas or nitrogen or nitric oxide gas, Or helium or alkanes gas;Alkanes gas refers mainly to be easily obtained, originate sufficient biogas Activating QI, biogas, natural gas, liquefied petroleum gas, flammable BINGQI;Or fuel oil such as bavin gasoline, kerosene;Or Aalcohols fuel such as methanol, ethanol, dimethyl ether.
2) described heat-storing device selects single tank heat-storage technology, or selects double tank heat-storage technology;
3) gas fuel boiler primary combustion alcohols flammable liquid or vapour described in described oil burning boiler Diesel oil, heavy oil, natural gas, liquefied petroleum gas.
It is in place of novelty of the present invention, plays trough type solar power generation technical advantage, by using The hot generation technology of supercritical Bretton, fundamentally solves tradition solar energy thermal-power-generating and depends on the fraud of water-cooled End;Next to that use the hot generation technology of Brayton cycle to be more beneficial for realizing and biological energy complementary;Again It is that heat and power system efficiency is greatly improved;The present invention is the expansion of generation technology hot to slot type Brayton cycle, The present invention similarly suitable tower type solar energy thermal power generation station.
Accompanying drawing explanation
Fig. 1 is that groove type solar biomass of the present invention are atomized mixed power generation schematic diagram
Fig. 2 is groove type solar of the present invention and biological fuel gas complemental power-generation schematic diagram
Fig. 3 is supercritical Brayton cycle of the present invention and biomass cogeneration schematic diagram
Fig. 4 is known disclosed groove type solar Bretton heat generating schematic diagram
Wherein: 1 parabola groove light-condensing array, 2 line focus thermal-collecting tubes, 3 gasifying pots, 4 turbines, 5 compression pumps, 6 afterburners, 7 heat exchangers, 8 Bretton thermal electric generators, 9 chillers, 10 water pumps, 11 condensing heat exchangers, 12 QI invigorating windows or air intlet, 13 heat-storing devices, 15 combustor, 16 combustion gas Oil burning boiler, 17 air accumulators, 18 biogas generating meanss, 19 LiBr-Air-conditioner units, 20 organic Lang Ken thermal electric generator, 21 transfer lines, 22 water separators, 23 power working medium
Detailed description of the invention
Scheme 1
Line focus strengthening thermal-collecting tube 2 in parabola groove light-condensing array 1 is connected by transfer line 21 Turbine 4 air inlet of Bretton thermal electric generator 8;Turbine 4 gas outlet connects heat exchanger 7 import, Heat exchanger 7 outlet connects afterburner 6 import, and afterburner 6 outlet connects condensing heat exchanger 11 import, cold Solidifying heat exchanger 11 outlet connects water separator 22, and water separator 22 gas outlet connects calms the anger Pump 5 import;Compression pump 5 outfan connects afterburner 6 and mends hot side inlet, and concurrent heating brings out mouth and connects parabolic Strengthening thermal-collecting tube 2 import of groove light-condensing array 1 line focus;In parabola groove light-condensing array 1, layout line focuses on Strengthening thermal-collecting tube 2, gasifying pot 3, gasifying pot 3 is by the line of aqueous water atomization input parabola groove light-condensing array 1 Focus on strengthening thermal-collecting tube 2 in, heat-transfer working medium with atomization flash-evaporation after atomization vapour and power working medium 23, Being sufficiently mixed in line focus strengthening thermal-collecting tube 2, in parabola groove light-condensing array 11, continuous heat temperature raising became Vapours, high-temperature gas mixture body expands in combustor 15 jointly enters turbine 4 with biological fuel gas and does Merit generates electricity, and drives compression pump 5 to be pressurizeed by the power working medium 23 of condensation, after afterburner 6 heats up again simultaneously Secondary entrance parabola groove light-condensing array 1, completes Brayton cycle dynamic power;Condensed heat exchanger 11 condenses Expellant gas component is mainly biogas and the steam product after reforming, for carbon dioxide gas Mixture with water;By the isolated gas of water separator 22 namely power working medium 23 gas weight Newly entering compression pump 5 recirculation;The condensed water separated then heats up even through heat exchanger 7 after pressure given by water pump 10 Connect gasification tank 3 nebulizer spout;Heat-storing device 13 is arranged on parabola groove light-condensing array 1 transfer line 21 Importing and exporting two ends, when illumination is strong, power working medium 23 is further separated into heat-storing device 13 heat accumulation, and illumination is not enough Time power working medium 23 flow through heat-storing device 13 enter turbine acting, to extend generating dutation;Heat accumulation fills Putting 13 is fused salt heat-storing device or ceramic honeycomb heat-storing device, is single tank setting for reducing cost;Cold Solidifying heat exchanger 11 condensation end is imported and exported and is connected to machine Lang Ken thermal electric generator 20 or LiBr-Air-conditioner machine The heat exchanger of group 19 is imported and exported, or is substituted condensing heat exchanger 11 by LiBr-Air-conditioner unit 19 completely and make For condensing heat-exchange terminal, to realize solar energy cascade utilization;
Scheme 2
Bretton thermal electric generator 8 is improved so that it is become coaxial and open type combustion gas mine-laying The integrated Brayton cycle power that circulation of pausing is done work jointly with enclosed supercritical carbon dioxide Brayton cycle TRT;According to the character of power working medium 23, biogas selects the generating of open type Brayton cycle, and Carbon dioxide gas or nitric oxide aerodynamic force working medium select the generating of enclosed supercritical Brayton cycle;Or point The Bretton thermal electric generator 8 that two sets are independent is not set, a set of by solar energy energy supply, use enclosed supercritical Brayton cycle heat generates electricity, the most standby another set of biogas complemental power-generation, uses open type combustion gas Bretton to follow Ring heat generates electricity;Or solar energy runs cogeneration with biomass energy simultaneously;
Close the hot power generation part of biogas Bretton, rely on solar energy supercritical Brayton cycle to move Power generates electricity;Power working medium 23 selects carbon dioxide or nitric oxide to be commonly called as " laughing gas " or helium;Throw Line focus strengthening thermal-collecting tube 2 in thing groove light-condensing array 1 connects Bretton heat by transfer line 21 and generates electricity Turbine 4 air inlet of device 8;Turbine 4 gas outlet connects heat exchanger 7 import, and heat exchanger 7 goes out Mouth connection afterburner 6 import, afterburner 6 outlet connects condensing heat exchanger 11 import, condensing heat exchanger 11 Outlet connects compression pump 5 import;Compression pump 5 outfan connects afterburner 6 and mends hot side inlet, concurrent heating end Outlet connects strengthening thermal-collecting tube 2 import of parabola groove light-condensing array 1 line focus;Cyclic process is typical super Critical Brayton cycle process, i.e. power working medium 23 enter turbine through parabola groove light-condensing array 1 heat temperature raising Machine 4 expansion work generates electricity, and drives compression pump 5 to pressurize, the power working medium of condensation through afterburner 6 simultaneously It is again introduced into parabola groove light-condensing array 1 after intensification, completes Brayton cycle dynamic power.
Starting biogas open type Bretton thermal electric generator 8, the air covered enters through afterburner 6 Compression pump 5, pressure-air enters combustor and biogas mixed combustion, and the high temperature gas flow of formation enters whirlpool Turbine 4 expansion work and generating, the high temperature exhaust steam of discharge enters afterburner 6, except the air concurrent heating for sucking Outward, subsequently entering heat-storing device 13, while heat accumulation, the thermal source of solar energy keeps supercritical as an alternative Brayton cycle thermal electric generator 8 continues stable operation, and the weary gas of combustion gas is discharged through heat-storing device 13.Or it is another If one is exclusively used in the heat exchanger 7 utilizing the weary gas of combustion gas, one end connects the outlet of afterburner 6 weary gas, the other end Emptying.
Utilizing for realizing thermal energy step, the entrance end condensing side at condensing heat exchanger 11 connects Organic Lang Ken thermal electric generator 20, or by LiBr-Air-conditioner unit 19 completely substitute condensation radiator 11 make For condensing heat-exchange terminal;Or weary gas heat exchanger 7 is set specially at turbine 4 outlet port connects organic youth It agree thermal electric generator 20, efficiency of utilization can be effectively improved;
Scheme 3
The generating of dual system complementary thermal is formed by solar energy and other energy;Wherein parabola groove light-condensing array 1, high temperature heat source is provided by heat exchanger 7 for Bretton thermal electric generator 8;By gas fuel boiler 16 Thermal source is provided to form complementary function system for Bretton thermal electric generator 8;Dual system runs described combustion gas combustion Thermo oil boiler 16 is arranged on parabola groove light-condensing array 1 transfer line 21 and imports and exports two ends and heat-storing device 13 shape One-tenth is connected in parallel;Or gas fuel boiler 16 is connected on parabola groove light-condensing array 1 transfer line 21 and exports In the middle of end and heat-storing device 13 import;Or gas fuel boiler 16 series and parallel is at Bretton heat generating dress Put in 8 systems;Air accumulator 17 connects the fuel nozzle import of gas fuel boiler, and the other end connects biology Matter gas generating means 18 or fuel-firing gas-firing feedway.Gas fuel power working medium 23 is at gas fuel pot In stove 16, burning provides high temperature complementation thermal source for Bretton thermal electric generator 8, and the weary gas of high temperature of discharge enters Heat-storing device 13, is expelled to air after circulating heat release in heat-storing device 13.

Claims (2)

1. multi-mode groove type solar Bretton thermal electric generator includes that parabola groove light-condensing array, line focus are strengthened Thermal-collecting tube, power working medium, fused salt heat accumulation heat-transfer working medium, transfer line, gasifying pot, combustor, QI invigorating window Mouth or air intlet, Bretton thermal electric generator, compression pump, water pump, heat exchanger, afterburner, optically focused battle array Row and power generation control;Heat-storing device, condensing heat exchanger, air-cooling apparatus, air accumulator, biomass Gas generating means, water separator, organic Lang Ken TRT, LiBr-Air-conditioner unit, it is the most special Levy and be: the line focus strengthening thermal-collecting tube in parabola groove light-condensing array connects Bretton heat by transfer line and sends out The turbine air inlet of electric installation;Turbine gas outlet connects heat exchanger import, and heat exchanger exit connects concurrent heating Device import, afterburner outlet connects condensing heat exchanger import, and condensing heat exchanger outlet is directly connected to compression pump, Or connect compression pump through water separator;Water separator gas outlet connects compression pump import;Calm the anger Pump output terminal connects afterburner and mends hot side inlet, and concurrent heating brings out mouth and connects the strengthening of parabola groove light-condensing array line focus Thermal-collecting tube import;In parabola groove light-condensing array, layout line focuses on strengthening thermal-collecting tube, gasifying pot;Gasifying pot is cold Solidifying water input connects water pump outfan, and water pump input connects water separator outfan, steam-water separation Device input connects condensing heat exchanger;Condensed water is atomized through nebulizer in gasifying pot;With parabola groove optically focused The high temperature power Working medium gas that array exports through compression pump is vaporizing in-tank mixing, and gaseous mixture is at gasifying pot intrinsic fog Changing vapour and high temperature power working medium Mixed design next stage parabola groove light-condensing array, high-temperature gas mixture body is at parabola groove Continuous heat temperature raising in light-condensing array, expands in combustor jointly enters turbine with biogas combustion gas and does Merit generates electricity, and drives compression pump by the power working medium pressurization of condensation simultaneously, is again introduced into throwing after afterburner heats up Thing groove light-condensing array, completes Brayton cycle dynamic power;Combustor connects air accumulator, and air accumulator connects raw Material gas generating means;Biogas is in combustor and high-temperature gas mixture body mixed combustion;Condensed heat exchanger The weary main carbon dioxide gas of gas component of condensation discharge and the mixture of water, isolated by water separator Gas namely power Working medium gas reenter compression pump recirculation;The condensed water separated then is sent into through water pump Heat exchanger heats up, and connects the row atomization again of gasification tank nebulizer spout afterwards;Heat-storing device is arranged on parabola groove and gathers Two ends imported and exported by optical arrays transfer line, enter heat-storing device heat exchange storage in illumination abundance time-division mobilization force working medium Energy;During illumination deficiency, power working medium flows through heat-storing device to extend generating dutation;Shine or illumination deficiency unglazed Shi Qidong biogas complementary program, biogas is in combustor and high-temperature gas mixture body mixed combustion;High temperature Combustion gas is through turbine expansion work and completes chemistry reformation heel row and goes out, and the high temperature of discharge mixes weary gas and enters heat accumulation Device heat exchange energy storage, enters condenser condensation separation from heat-storing device expellant gas through heat exchanger;Through turbine The gas component that machine expansion work and chemistry are reformed is mainly carbon dioxide gas and pure water;Pure water continues cycling through and makes With, carbon dioxide gas returns blood circulation, and unnecessary carbon dioxide gas collects recycling;Heat-storing device is molten Salt heat-storing device or ceramic honeycomb heat-storing device;It is single tank setting for reducing the cost present invention;Condensing heat-exchange The import and export of device condensation end are connected to the heat exchanger of machine Lang Ken thermal electric generator or LiBr-Air-conditioner unit and enter Outlet, or substituted condensing heat exchanger completely as condensing heat-exchange terminal by LiBr-Air-conditioner unit;
1) described Bretton dynamic power device includes turbine, heat exchanger, afterburner, compression pump, generating Machine, condensing heat exchanger, QI invigorating window or air intlet;Power working medium;
2) described condensing heat exchanger can be substituted by air-cooling apparatus, does not use water cooling equipment;
3) described power working medium is air or carbon dioxide gas or nitrogen or nitric oxide gas or helium or alkanes Gas;Alkanes gas, mainly includes biomass gasified gas, biogas, natural gas, flammable BINGQI or liquefaction Oil gas;Or Aalcohols fuel such as methanol, ethanol, dimethyl ether;Or fuel oil such as bavin gasoline, kerosene, heavy oil;
4) described gasifying pot includes that pressure-bearing tank body, nebulizer and nozzle thereof connect parabolic trough type light-condensing array line and gather The power working medium turnover port of strong focus thermal-collecting tube;Nebulizer by aqueous water fog so that in gasifying pot rapidly Generate saturated vapor;Saturated vapor in gasifying pot and line focus strengthen thermal-collecting tube with high temperature power Working medium gas It is sufficiently mixed and constantly heats into superheated steam;
5) described QI invigorating window is arranged for guaranteeing biogas fully to burn, and QI invigorating window is with the gas that covers Or oxygen or combustion adjuvant are major function;
6) described heat-storing device refers to fused salt heat-storing device or ceramic honeycomb heat-storing device, all uses single tank heat accumulation Technology;Wherein fused salt heat-storing device includes that tank body, heat storage exchanger, heat exchanger tube, fused salt, solid heat accumulation are situated between Matter and container, transmission pipeline;In wherein heat storage exchanger is placed in tank body, use corrosion-resistant, high-temperature alloy Metal or special cermacis make;The heat exchanger tube of heat storage exchanger is high temperature alloy metal or Special clay porcelain tube;Change Heat pipe is finned thermoexcell outside bellows tube or pipe;Solid heat-storage medium and container are molten for reducing Salt usage amount, improves heat accumulation efficiency and arranges;Solid heat-storage medium selects quartz or glass or pottery or graphite, Heat-storage medium is collectively constituted with fused salt;Solid heat vessel uses special cermacis to make, for cylindrical case, length Square box, annular casing, solid heat vessel outer wall sets fused salt liquid opening hole, and hole diameter is to be less than Solid heat-storage medium is limited;Solid heat vessel and heat exchanger tube interlaced arrangement;Ceramic honeycomb heat-storing device includes Tank body, ceramic honeycomb thermal accumulator body, heat exchanger tube;Heat exchanger tube one end is that the import other end is for exporting;Ceramic honeycomb Heat storage is mainly by special cermacis, general porcelain, cordierite, Mo Laishi, corundum-mullite, aluminium oxide, metatitanic acid Aluminum, spodumene, sodium zirconium phosphate, zircon, zirconium pink fused alumina material make;Ceramic honeycomb thermal accumulator body and heat exchange Pipe is staggered;Fused salt can be filled in ceramic honeycomb heat-storing device;Heat-storing device connects parabola groove light-condensing array Import and export with combustion gas discharge line can share, it is possible to sets up import and export and heat exchange in heat-storing device respectively Pipeline.
2. multi-mode groove type solar Bretton thermal electric generator includes that parabola groove light-condensing array, line focus are strengthened Thermal-collecting tube, power working medium, heat-transfer working medium, transfer line, combustor, air intlet, Bretton power are sent out Electric installation, compression pump, heat exchanger, afterburner, weary gas heat exchanger, light-condensing array and power generation control; Heat-storing device, condensing heat exchanger, air-cooling apparatus, air accumulator, biogas generating means, You Jilang It agree TRT, LiBr-Air-conditioner unit, be primarily characterized in that: Bretton dynamic power device is carried out Improve so that it is become coaxial, there is the novel Bretton dynamic power device of two groups of turbines and compression pump; One of which is open type combustion gas Bretton dynamic power device, and another group is sent out for enclosed supercritical Bretton power Electric installation, two covering devices realize the common acting of integration;According to the character of power working medium, biogas selects Open type Brayton cycle heat generates electricity;Carbon dioxide gas or nitric oxide aerodynamic force working medium select enclosed Bretton to follow Ring heat generates electricity;Or it is respectively provided with Bretton dynamic power device one operation of electric power system of composition that two sets are independent, Solar thermal energy is for enclosed supercritical Bretton dynamic power, and combustion gas is for open type Bretton dynamic power; Or two covering device run cogeneration simultaneously;It is in operation and realizes complementation by heat-storing device;
1) solar energy supercritical Brayton cycle dynamic power is relied on during illumination abundance;Power working medium selects dioxy Change carbon or nitric oxide is commonly called as " laughing gas " or helium;Line focus strengthening thermal-collecting tube in parabola groove light-condensing array The turbine air inlet of Bretton dynamic power device is connected by transfer line;Turbine gas outlet connects to be changed Hot device import, heat exchanger exit connects afterburner import, and afterburner outlet connects condensing heat exchanger import, cold Solidifying heat exchanger exit connects compression pump import;Compression pump outfan connects afterburner and mends hot side inlet, concurrent heating end Outlet connects the strengthening thermal-collecting tube import of parabola groove light-condensing array line focus;Cyclic process is typical supercritical cloth Thunder pause cyclic process, i.e. power working medium through parabola groove light-condensing array heat temperature raising enter turbine expansion work send out Electricity, drives compression pump by the power working medium pressurization of condensation simultaneously, is again introduced into parabola groove after afterburner heats up Light-condensing array, completes Brayton cycle dynamic power;
2) opening two set Bretton dynamic power devices during illumination deficiency, solar thermal energy and biomass energy are done simultaneously Merit generates electricity;Opening biogas Bretton dynamic power device, the air intlet covered connects afterburner, warp Entering compression pump after afterburner concurrent heating, the pressure-air that compression pump produces enters combustor and mixes with biogas Burning, the high temperature gas flow of formation enters turbine expansion work and generating, and the high temperature exhaust steam of discharge enters concurrent heating Device is the air concurrent heating sucked, and subsequently enters heat-storing device, as replacing while making full use of weary gas heat accumulation Thermal source for solar energy keeps supercritical Brayton cycle thermal electric generator to continue stable operation, and the weary gas of combustion gas exists It is expelled to air after circulation heat release in heat-storing device;Or weary gas heat exchanger is set specially at turbine outlet port, Turbine is simultaneously connected with afterburner and heat-storing device through weary gas heat exchanger exit, and afterburner one end connects condenser; Weary gas heat exchanger heat-exchange end connects organic Lang Ken thermal electric generator;
3) long-term unglazed according to then closing solar energy system, rely on biomass energy to drive two set Bretton dynamic powers Device generates electricity simultaneously;
4) for realizing thermal energy step utilization, the entrance end in condensing heat exchanger condensation side connects organic Lang Ken Thermal electric generator, or substituted condensing heat exchanger completely as condensing heat-exchange terminal by LiBr-Air-conditioner unit;
5) described combustor is the special equipment of conventional gas Bretton dynamic power device, and combustor is arranged on At turbine inlet;Or use as fluid combustion room;
6) described air intlet is to aim at Bretton dynamic power device to set when being used alone biogas generating Put;The generating of open type combustion gas Brayton cycle is used then to open air intlet;Use enclosed supercritical Bretton Air intlet is then closed in cycling hot generating;
7) in biogas power generation mode, after the air of compression pump compression mixes with biogas, combustion is entered Burning room burning and form combustion gas, combustion gas enters turbine expansion and does manual work;The weary gas of high temperature that turbine is discharged is through concurrent heating It is sent directly into weary gas heat exchanger after device and drives organic Lang Ken thermal electric generator through heat exchange, then send LiBr-Air-conditioner machine Outside group discharge machine;Or the weary gas of high temperature discharged of turbine enters, and to be sent directly into heat-storing device after afterburner be enclosed Supercritical Bretton dynamic power device provides heat energy;Or drain into outside machine through LiBr-Air-conditioner unit;Compressor After import sucks air compression, order enters afterburner, turbine.
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