CN204691835U - A kind of Boulez pauses-organic Rankine type solar energy thermal-power-generating device - Google Patents

A kind of Boulez pauses-organic Rankine type solar energy thermal-power-generating device Download PDF

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CN204691835U
CN204691835U CN201520271656.7U CN201520271656U CN204691835U CN 204691835 U CN204691835 U CN 204691835U CN 201520271656 U CN201520271656 U CN 201520271656U CN 204691835 U CN204691835 U CN 204691835U
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gas
working medium
heat
temperature
turbine
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孟宁
王海波
魏然
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Nanjing Reclaimer Environmental Technology Co Ltd
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Nanjing Reclaimer Environmental Technology Co Ltd
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Abstract

The utility model relates to a kind of Boulez and pauses-organic Rankine type solar energy thermal-power-generating device, this device adopts top Boulez to pause and circulates and the bottom organic Rankine bottoming cycle overlapping method of operation, adopt fire-retardant gas as Boulez pause circulation working medium, the cavity type receiver sending into solar energy Accumulated Heat Units absorbs heat, drag the generating of turbo-generator group, Boulez pauses the higher fire-retardant gas of temperature that gas-turbine in circulation the discharges thermal source as bottom organic Rankine bottoming cycle, thus forms superposition type solar heat power generation system.This device effectively can improve the efficiency of solar energy thermal-power-generating, eliminates the safety defect of organic Rankine bottoming cycle unit simultaneously, and the Security of unit, good economy performance, be particularly suitable for water-deficient area.

Description

A kind of Boulez pauses-organic Rankine type solar energy thermal-power-generating device
Technical field
The utility model relates to a kind of Boulez and pauses-organic Rankine type solar energy thermal-power-generating device, concrete genus solar energy utilization technique field.
Background technique
Along with renewable energy utilization is global flourish, solar energy heat build-up generating (CSP) and photovoltaic solar generate electricity (PV) obtain and develop faster.Utilize solar energy power generating, the shorter light of wavelength can only be made to be utilized, the longer light of wavelength is wasted completely, and the temperature of battery is raised, cause the decrease in efficiency of battery, and utilize solar light-heat power-generation, can make full use of the sunlight of whole wavelength, thus solar energy heat build-up generating (CSP) is progressively by people are familiar with, are studied and are paid attention to.Solar energy heat build-up generating (CSP) is compared photovoltaic solar generating (PV) and is had the outstanding features such as scale is large, concentration degree is high, efficiency is high, but the common issue faced how to reduce cost of investment and how to improve generating efficiency and then reduce cost of electricity-generating, especially reduces cost of investment and improve the focus that generating efficiency just becomes two kinds of solar energy generation technology competitions.
Solar energy heat build-up generating (CSP) mainly contains slot type, dish-style and the hot power generation mode such as tower, wherein groove type solar heat build-up generating (CSP) realizes commercialization, and U.S. SEGS power station and Spain AndaSol power station have had the experience of commercialized running; This technology mainly adopts conduction oil to be heat-transfer working medium, generates electricity through conduction oil heat exchange rear driving conventional steam turbine drive electrical generators group.Because current conduction oil operating temperature must control at about 400 DEG C, exceed this temperature and will cause the problems such as conduction oil cracking, viscosity raising and heat transfer efficiency reduction, because which limit operating temperature and the generating efficiency of groove type solar heat build-up generating.
Dish solar thermal power system, based on single rotational paraboloid mirror, forms complete optically focused, thermal-arrest and a generator unit.Adopt double-axis tracking device, its focusing ratio is generally between 1000 ~ 3000.Heat sink solar radiation also converts thereof into heat energy, heats heat absorption working medium, drives heat engine (as gas turbine, Stirling engine or other type turbine etc.), realizes photoelectric conversion.The power of current single dish-style system mostly is 5 ~ 50kW, and peak electrical generation efficiency can reach 29%, and in the various modes of solar energy thermal-power-generating, it is most effective.Dish solar thermal power system is mainly used in distributing power system, although multiple dish-style device can be formed a larger power generation system, they remain mini-system in principle, is not easy to maximize; Also be not suitable for the dynamic power machine of Dish solar thermal power system at present, its application receives certain restriction simultaneously.Dish solar thermal power system is other modes relatively, and have the advantages such as modular flexible deployment ability, higher focusing ratio and generating total efficiency, when its shortcoming is maximization heat build-up generating, cost is more much higher than the tower-type solar thermal power generating system with scale.
Tower-type solar thermal power generating system, also claims concentrated solar heat power generation system.The citation form of solar energy tower type thermal generation system is the heliostat group utilizing the independently tracked sun, by solar ray collecting on the receiver being fixed on top of tower, in order to produce high temperature, heating working medium produces superheated vapor or high-temperature gas, driving steam turbine generator set or Gas Turbine Generating Units generating, thus solar energy is converted to electric energy.The huge heliostat field be made up of many heliostats, its area is very large, and focusing ratio is very high, and a receiver can collect the radiation power of 100MW, and running temperature can reach 1000 ~ 1500 DEG C.Hot fluid in order to absorb solar thermal energy has water, fused salt, air etc. usually.Corresponding different hot fluids, the type of tower type solar receiver is also different:
(1) hot fluid is the system of water (water vapour)
Using water (water vapour) as the tower-type solar thermal power generating system of hot fluid, directly utilize the steam generating equipment of the similar station boiler of solar energy heating focused on.In such a system, feedwater is once after the preheating of tower type solar receiver, evaporation, the heat exchanger surface such as overheated, and become the acting working medium of Rankine cycle steam turbine, drive electrical generators generates electricity; After the steam discharge of steam turbine is sent to and condenses into water in vapour condenser, be again sent in receiver by feed water pump.For ensureing the stability of producing steam, steam regenerative system being usually set, sun-drenched time, unnecessary steam heat being stored in heat-accumulator tank, thus ensure the stable of system operational parameters.Due to transient characteristic and the skewness of incident solar radiation, the heat absorption tube be arranged in receiver often leaks.
The tower type solar cogeneration power plant of the current employing live steam mode of production mainly comprises the Eurelios power station of Italian 0.75MW, the CESA-1 power station of Spain 1.2MW, the Solar One power station of U.S. 10MW, the PS10 power station etc. of Spain 11MW.
(2) hot fluid is the system of fused salt
In order to avoid the receiver of the tower type solar power generation system of the live steam mode of production leaks, simultaneously in order to obtain higher operating temperature, fused salt can be adopted as the heat recipient fluid in receiver.Fused salt is used to have the MSEE power station of the U.S. and Solar Two power station, Hispanic Solar TRES power station etc. as the tower type solar power station of hot fluid.Solar Two is a practicability project in order to advance tower type solar power generation system commercialized development, for promoting that significant contribution has been made in the development of tower/fused salt solar energy thermal-power-generating technology.
But fused salt also exists certain shortcoming, namely have pyrolysis and etching problem, associated materials must be high temperature resistant, corrosion-resistant, makes system cost increase, reliability reduction; Fused salt also has low temperature freezing problem, must be incubated relevant device, preheating and companion heat etc., the energy consumption of system is increased.The fused salt research of novel crystallization point below 100 DEG C merits attention, as the fused salt of crystallization point below 100 DEG C is being studied in U.S. Sang Diya laboratory, if successfully will be hopeful to replace conduction oil.
(3) hot fluid is the system of air
Tower type solar power generation system using air as heat-absorbing medium, can reach higher operating temperature.Receiver adopts cavity type receiver usually.Tower type solar power generation system using air as heat-absorbing medium can adopt following two kinds of working methods.
Working method is that the hot air produced in receiver is applied to a Rankine cycle heat and power system, as shown in Figure 2.Within the system, receiver ambient air and absorb the solar radiation from solar energy mirror field from the return air of gas fan in Receiver, heat recovery steam production system (Heat Recovery Steam Generating is sent to by the hot air after heating, HRSG), the steam produced in HRSG is sent in steam turbine and does work, and drive electrical generators generates electricity.After hot air transfers heat to working medium in HRSG, become Cryogenic air, be then again sent in the receiver of tower top by gas fan.The shortcoming of this system adopts low-pressure air as heat-absorbing medium, adsorber bulky, and the vapor (steam) temperature of steam Rankine cycle generator set is limited by resistant to elevated temperatures material, at present for the vapor (steam) temperature of steam Rankine cycle also not more than 625 DEG C.Its flow process as shown in Figure 2.
Another kind of working method the hot air produced in receiver is applied to Boulez pauses-Rankine association circulating power generation system.Directly high-pressure air can be heated to 1000 DEG C with the propelling gas turbine engine that gets on, the gas after propelling gas turbine engine still has higher temperature, then generates water vapour by heat exchanger heats water, and water vapour removes pushing turbine again, effectively utilizes heat.Also the high-pressure air after the heating of cavity type receiver directly can be sent into firing chamber, enter gas turbine power generation further after heating, the exhaust of gas turbine enters bottom Rankine cycle and generates electricity.
Europe and Israel comparatively pay close attention to as the heat transfer technology of tower type solar power generation system of heat-absorbing medium and the research of heat storage technology employing air, and carried out some famous research projects, as Phoebus-TSA, SOLAIR and DIAPR etc., achieve certain achievement in research.The Germany J ü lich power station of putting into operation in 2009 is a verification experimental verification power station, be also in the world first adopt air as the tower type solar power generation system of heat transfer medium.The operating diagram in power station as shown in Figure 3.
Development zone, Nanjing of China Jiangning and Israel's R & D Cooperation build up domestic seat of honour 70kw tower type solar energy thermal power generation demonstration project, successfully generate electricity by way of merging two or more grid systems in by the end of October, 2005 in, this is China first the tower type solar energy thermal power generation station adopting brayton cycle principle to set up.This power station makes heat-transfer working medium by solar energy cavity type receiver with air, be aided with rock gas and small size gas turbine takes the lead in achieving the thermal electric generator utilizing solar energy and brayton cycle combine with technique, the tower height of its tower system is 33 meters, 32 specular cross sections are adopted to be the heliostat of 19.6 ㎡, the export temperature of receiver is 900 DEG C, inlet pressure is 0.4MPa, and test peak conversion efficiency is 85%, and gas turbine thermoelectrical efficiency is 28.5%.But because cavity-type solar receiver entrance is too little, it is not ideal that intake temperature is difficult to the supporting experiment effect that causes with combustion gas.But the high thermal efficiency of gas turbine merits attention, after obviously solving matching problem, will be the tower-type solar thermal power generating system that there is application prospect pole." Tulip " small-sized tower type solar energy thermal power generation Test item that Israel and Australia implement is actual is the continuation of this technology.At present, the 1MW tower type solar power generation project undertaken by Yanqing County of Beijing county, Chinese Academy of Sciences electrician place just in test.
Chinese patent 201020168753.7,201210237402.6,201320792430.2,201310178790.8,201420007400.0 etc. discloses and adopts the enclosed Boulez of gas boosting mode to pause the circulatory system.
What be worth special concern is tower type solar power generation system using air as heat-absorbing medium, and this system adopts air as heat carrying agent.Although the heat-conductive characteristic of air is bad, its operating temperature range is large, simple to operate, avirulent, can not only be connected with steam-powered steam turbine, and can also directly utilize high temperature air to drive gas turbine, efficiency is higher; In this scheme, the light focused on is projected onto a kind of gas permeable material (such as a kind of wire braid), air is passed through from this by the material that heats, because the surface of contact of air and this thermal-arrest material is very large, therefore heat transfer is very fast, efficiency is very high, and can the high temperature of air heating to more than 700 DEG C.Obviously as adopted fire-retardant gas as alternative air such as nitrogen, carbon dioxide, helium, high-temperature gas can be obtained equally, driving gas turbine power generation.
Said system have employed Boulez and to pause hot generation technology, and its most outstanding advantage is that system conversion efficiency of thermoelectric is high, mainly adopts air, air and water vapour to be power working medium, and provides high temperature heat to run by the solar energy such as fuel oil, combustion gas.Clearly, the Boulez hot generation technology that pauses will have good application prospect in solar energy thermal-power-generating field.But all supporting exhaust heat boiler recovered steam of its afterbody, for steam Rankine cycle generating, need to be equipped with water processing establishment, the deoxygenation desalination of feedwater requires high, and service condition is high, and system is comparatively complicated.
Current organic Rankine bottoming cycle is as an effective way of backheat waste heat used heat, and be widely used in the fields such as industrial exhaust heat, underground heat, solar energy, various countries' industrial quarters and academia just actively drop into strength and carry out relevant R&D work.When utilizing low temperature organic working medium, capital equipment has: vaporizer, steam turbine, condenser and recycle pump.For low grade and medium enthalpy heat, ORC technology has many good qualities than conventional water vapour Rankine cycle, mainly in recovery sensible heat, has higher efficiency, and because in circulation, sensible heat/latent heat ratio is unequal, in ORC technology, this ratio is large.Therefore ORC technology is adopted can to reclaim more heat than water steam.
But ORC technology also has its intrinsic shortcoming: because organic working medium has the features such as flammable, blast, when utilizing waste heat to organize ORC flow process, the leakage that the wearing and tearing of associated heat exchanger, corrosion etc. cause and the protection etc. of the explosion protection of drawing thus and environment and job site must be considered.This is the difficult problem that ORC technology must solve when applying in residual neat recovering system.
Therefore above-mentioned prior art Problems existing how is solved, give full play to tower or that disc type solar energy focusing ratio is high, temperature is high advantage, reservation Boulez pauses, and high-temperature hot generates electricity, the advantage of organic Rankine bottoming cycle generation technology, overcome in solar energy thermal-power-generating technology and adopt the inherent defect of steam Rankine cycle (as needed supporting corresponding water processing establishment, stram condenser and recirculating cooling water system etc.), set up the solar energy thermal-power-generating pattern that efficiency is higher, new-type, become the difficult point of this area research.
Summary of the invention
The utility model is for solving prior art Problems existing, a kind of Boulez is provided to pause-organic Rankine type solar energy thermal-power-generating device, paused and organic Rankine combined cycle mode by enclosed Boulez, adopt fire-retardant gas as Boulez pause circulation working medium, absorb the heat of solar energy, the high-temperature gas of generation drives the generating of gas-turbine drawing generator; End circulation adopts organic Rankine bottoming cycle, reclaims Boulez and to pause in circulation the waste heat of gas-turbine Exhaust Gas for end circulating generation, thus reach the object of economical and efficient.
The purpose of this utility model is realized by following measures:
A kind of Boulez pauses-organic Rankine type solar energy thermal-power-generating device, it is characterized in that:
This device is paused and organic Rankine combined cycle mode by Boulez, adopt fire-retardant gas as enclosed Boulez pause circulation working medium, low-temperature flame retardant gas 64 is after gas compressor 65 supercharging, enter the cavity type receiver 59 of solar energy Accumulated Heat Units, absorb heat and produce high-temperature gas 61, drive gas-turbine 62 drawing generator 74 to generate electricity, thus solar energy is converted to electric energy; From the gas that gas-turbine 62 is discharged, after regenerator 63 is lowered the temperature, form low-temperature flame retardant gas 64, then send into the cavity type receiver 59 of solar energy Accumulated Heat Units after gas compressor 65 supercharging, the circulation loop thus formation enclosed Boulez pauses;
Boulez pauses the waste heat of gas-turbine 62 Exhaust Gas in circulation, the working medium of organic Rankine bottoming cycle is heated by regenerator 63, produce overheated or saturated organic working medium steam 67, drive organic working medium steam turbine 68 to drag organic working medium generator 70 to generate electricity, the steam of discharging from organic working medium steam turbine 68 condenses into liquid organic working medium through vapour condenser 69, after organic working medium recycle pump 66 supercharging, send into regenerator 63 again, thus form organic Rankine cycle circuit.
Described fire-retardant working medium comprises the mixture of one or more compositions in nitrogen, carbon dioxide, argon gas, helium.
Described solar energy Accumulated Heat Units includes but not limited to produce the tower of high temperature or disc type solar energy Accumulated Heat Units.
Be provided with two-stage heat-storage subtense angle, described two-stage heat-storage subtense angle comprises high-temperature heat accumulation device 71, low-temperature heat accumulating device 72: from cavity type receiver 59 high-temperature gas 61 out of solar energy Accumulated Heat Units, store through the part sensible heat of high-temperature heat accumulation device 71 by high-temperature gas, store the fire-retardant gas after sensible heat through high-temperature heat accumulation device 71, then store after 72 heat drop temperature through low-temperature heat accumulating device and discharge.
The described entrance introducing gas compressor 65 from the gas 73 that backflows of low-temperature heat accumulating device 72 discharge.
The described entrance introducing gas compressor 65 from the gas 73 that backflows of low-temperature heat accumulating device 72 discharge after regenerator 63 is lowered the temperature.
Described two-stage heat-storage subtense angle is store heat when solar radiation energy is sufficient, when solar radiant energy quantity not sufficient, Boulez pauses the fire-retardant gas in circulation after compressor pressure, after low-temperature heat accumulating device 72, high-temperature heat accumulation device 71 heat, the high-temperature gas 61 produced, drives gas-turbine 62 drawing generator 74 to generate electricity.
Comprise high-temperature heat accumulation working medium in described high-temperature heat accumulation device 71, this high-temperature heat accumulation working medium includes but not limited to as fused salt, metal heat-accumulating material or resistant to elevated temperatures concrete heat-accumulating material.
Comprise low-temperature heat accumulating working medium in described low-temperature heat accumulating device 72, this low-temperature heat accumulating working medium includes but not limited to as conduction oil, high pressure saturation water or phase-change working substance.
Chemical reaction is there is not in described fire-retardant gas when mixing with organic working medium.
Be provided with the gas return path of organic working medium turbine shaft seal anti-leak: gas compressor 65 exports the fire-retardant gas of drawing from Boulez pauses circulation, introduces shaft seal 75, thus effectively prevent the leakage of organic working medium through shaft seal gas piping 76.
The described fire-retardant gas entering organic working medium steam turbine 68 through the gas return path of organic working medium turbine shaft seal anti-leak, after the vapour condenser 69 organic Rankine bottoming cycle loop is separated, is recycled.
Described gas-turbine 62, organic working medium steam turbine 68 can adopt the coaxial or different axle method of operation.
When described gas-turbine 62, organic working medium steam turbine 68 adopt coaxial manner, generator 74, organic working medium generator 70 can merge into same generator.
Described regenerator 63 includes but not limited to shell of pipe type, board-like, plate and fin type and original surface formula (New-type plate);
Described gas-turbine 62, organic working medium steam turbine 68 are scroll expansion machine, screw type expansion machine, centrifugal decompressor or piston expansion engine.
Described Boulez pauses in circulation and is provided with thermoregulator between gas compressor 65 and gas-turbine 62, producing high-temperature flue gas heating Boulez and to pause the cycle fluid of circulation, indirectly filling into institute's calorific requirement as adopted fuel burner burning, thus ensures that Boulez pauses the stable of circular flow parameter.
Described fuel comprises biomass fuel, coal, gaseous fuel or liquid fuel.
Unaccounted equipment and standby system thereof in the utility model, pipeline, instrument, valve, the bypass facility etc. that is incubated, has regulatory function adopt known mature technology to carry out supporting.
Be provided with and the safety of the utility model system support, regulating controller, adopt the control technique of existing maturation to carry out supporting, Boulez is paused-organic Rankine type solar heat power generation system energy economy, safety, high-efficiency operation, reaches energy-saving and cost-reducing object.
the utility model compared to existing technology tool has the following advantages:
1, Boulez pause circulation adopt fire-retardant gas, closed-circuit, the low-voltage high-temperature method of operation, the heat absorbing solar energy is used for efficiency power generation, the pressure of Yin Buliedun circulation is lower, and the Security of circulation is reliably guaranteed, has also widened the Application Range of exotic material simultaneously; Boulez pauses the exhaust heat of gas-turbine in circulation as the thermal source of organic rankine cycle system, even if heat exchanger occurs to leak phenomenon of also can not blasting, and can reliably, effectively process, adopt fire-retardant gas as the sealing gas of shaft seal in organic Rankine bottoming cycle simultaneously, avoid the refrigerant leakage of organic rankine cycle system, while giving full play to organic Rankine bottoming cycle technical advantage, solve the security challenge of traditional organic Rankine bottoming cycle unit.
2, solar energy thermal-power-generating Combined Cycle Unit runing adjustment is flexible, without the need to being equipped with the high deoxygenation demineralization plant of requirement in traditional solar energy thermal-power-generating in steam combined cycle power generating unit, the Utilities water consumption of unit reduces significantly, and is particularly suitable for water-deficient area.
3, the self-insurance ability of system is strong, utilizes regenerative system to regulate the method for operation, guarantees unit safety operation, enhance safety operation elasticity and the flexibility of whole system, be convenient to the rapid enforcement of safe emergency measure.
4, in Combined Cycle Unit top circulation and end circulatory turbine machine can adopt coaxial manner, the end circulation and top circulation generator can merge into a generator, thus equipment is simplified more, compact.
Accompanying drawing explanation
Fig. 1 is that a kind of Boulez of the present utility model pauses-organic Rankine type solar energy thermal-power-generating device schematic flow sheet;
In Fig. 1: the fire-retardant gas of 58-, 59-cavity type receiver, 60-solar energy heliostat field, 61-high-temperature gas, 62-gas-turbine, 63-regenerator, 64-low-temperature flame retardant gas, 65-gas compressor, 66-organic working medium recycle pump, 67-organic working medium steam, 68-organic working medium steam turbine, 69-vapour condenser, 70-organic working medium generator, 71-high-temperature heat accumulation device, 72-low-temperature heat accumulating device, 73-backflows gas, 74-generator, 75-shaft seal, 76-shaft seal gas piping.
Tower-type solar thermal power generating system working principle (the power generation system employing Rankine cycle) schematic flow sheet of Fig. 2 to be a kind of with air be hot fluid.
Tower-type solar thermal power generating system working principle (the power generation system employing combined cycle) schematic flow sheet of Fig. 3 to be a kind of with air be hot fluid.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
embodiment 1:
As shown in Figure 1, a kind of Boulez of the present utility model pauses-organic Rankine type solar energy thermal-power-generating device schematic flow sheet.
A kind of Boulez pauses-organic Rankine type solar energy thermal-power-generating device, this device is paused and organic Rankine combined cycle mode by Boulez, adopt fire-retardant gas as enclosed Boulez pause circulation working medium, low-temperature flame retardant gas 64 is after gas compressor 65 supercharging, enter the cavity type receiver 59 of solar energy Accumulated Heat Units, absorb heat and produce high-temperature gas 61, drive gas-turbine 62 drawing generator 74 to generate electricity, thus solar energy is converted to electric energy; From the gas that gas-turbine 62 is discharged, after regenerator 63 is lowered the temperature, form low-temperature flame retardant gas 64, then send into the cavity type receiver 59 of solar energy Accumulated Heat Units after gas compressor 65 supercharging, the circulation loop thus formation enclosed Boulez pauses;
Boulez pauses the waste heat of gas-turbine 62 Exhaust Gas in circulation, the working medium of organic Rankine bottoming cycle is heated by regenerator 63, produce overheated or saturated organic working medium steam 67, drive organic working medium steam turbine 68 to drag organic working medium generator 70 to generate electricity, the steam of discharging from organic working medium steam turbine 68 condenses into liquid organic working medium through vapour condenser 69, after organic working medium recycle pump 66 supercharging, send into regenerator 63 again, thus form organic Rankine cycle circuit.
Described fire-retardant working medium adopts nitrogen.
Described solar energy Accumulated Heat Units adopts tower type solar Accumulated Heat Units, supporting solar energy heliostat field 60.
Be provided with two-stage heat-storage subtense angle, described two-stage heat-storage subtense angle comprises high-temperature heat accumulation device 71, low-temperature heat accumulating device 72: from cavity type receiver 59 high-temperature gas 61 out of solar energy Accumulated Heat Units, store through the part sensible heat of high-temperature heat accumulation device 71 by high-temperature gas, the fire-retardant gas after sensible heat is stored through high-temperature heat accumulation device 71, store after 72 heat drop temperature through low-temperature heat accumulating device again and discharge, after regenerator 63 is lowered the temperature, introduce the entrance of gas compressor 65 from the gas 73 that backflows of low-temperature heat accumulating device 72 discharge.
Described two-stage heat-storage subtense angle is store heat when solar radiation energy is sufficient, when solar radiant energy quantity not sufficient, Boulez pauses the fire-retardant gas in circulation after compressor pressure, after low-temperature heat accumulating device 72, high-temperature heat accumulation device 71 heat, the high-temperature gas 61 produced, drives gas-turbine 62 drawing generator 74 to generate electricity.
Comprise high-temperature heat accumulation working medium in described high-temperature heat accumulation device 71, this high-temperature heat accumulation working medium bag adopts resistant to elevated temperatures concrete heat-accumulating material.
Comprise low-temperature heat accumulating working medium in described low-temperature heat accumulating device 72, this low-temperature heat accumulating working medium adopts conduction oil.
Be provided with the gas return path of organic working medium turbine shaft seal anti-leak: gas compressor 65 exports the fire-retardant gas of drawing from Boulez pauses circulation, introduces shaft seal 75, thus effectively prevent the leakage of organic working medium through shaft seal gas piping 76.
The described fire-retardant gas entering organic working medium steam turbine 68 through the gas return path of organic working medium turbine shaft seal anti-leak, after the vapour condenser 69 organic Rankine bottoming cycle loop is separated, is recycled.
Described gas-turbine 62, organic working medium steam turbine 68 adopt the coaxial method of operation.
Described generator 74, organic working medium generator 70 can merge into same generator.
Described regenerator 63 adopts shell-and-tube heat exchanger;
Described gas-turbine 62, organic working medium steam turbine 68 are scroll expansion machine.
Described Boulez pause circulation in be provided with thermoregulator between cavity type heat absorber 59 and gas-turbine 62, as adopt fuel burner burn produce high-temperature flue gas heating Boulez pause circulation cycle fluid, indirectly fill into institute's calorific requirement, thus ensure that Boulez pauses the stable of circular flow parameter.
Described fuel comprises biomass fuel, coal, gaseous fuel or liquid fuel.
Unaccounted equipment and standby system thereof in the utility model, pipeline, instrument, valve, the bypass facility etc. that is incubated, has regulatory function adopt known mature technology to carry out supporting.
Be provided with and the safety of the utility model system support, regulating controller, adopt the control technique of existing maturation to carry out supporting, Boulez is paused-organic Rankine type solar heat power generation system energy economy, safety, high-efficiency operation, reaches energy-saving and cost-reducing object.
Although the utility model with preferred embodiment openly as above; but they are not for limiting the utility model; anyly be familiar with related domain technical professional; not departing from the spirit and scope of the utility model; various simple modification, equivalent variations can be made, still belong to the protection domain of technical solutions of the utility model.

Claims (9)

1. Boulez pauses-organic Rankine type solar energy thermal-power-generating a device, it is characterized in that:
This device is paused and organic Rankine combined cycle mode by Boulez, adopt fire-retardant gas as enclosed Boulez pause circulation working medium, low-temperature flame retardant gas (64) is after gas compressor (65) supercharging, enter the cavity type receiver (59) of solar energy Accumulated Heat Units, absorb heat and produce high-temperature gas (61), drive gas-turbine (62) drawing generator (74) generating, thus solar energy is converted to electric energy; From the gas that gas-turbine (62) is discharged, low-temperature flame retardant gas (64) is formed after regenerator (63) cooling, the cavity type receiver (59) of solar energy Accumulated Heat Units is sent into again, the circulation loop thus formation enclosed Boulez pauses after gas compressor (65) supercharging;
Boulez to pause in circulation gas-turbine (62) gas of discharging as thermal source, by the working medium of regenerator (63) heating organic Rankine bottoming cycle, produce overheated or saturated organic working medium steam (67), organic working medium steam turbine (68) is driven to drag organic working medium generator (70) generating, the steam of discharging from organic working medium steam turbine (68) condenses into liquid organic working medium through vapour condenser (69), after organic working medium recycle pump (66) supercharging, send into regenerator (63) again, thus form organic Rankine cycle circuit.
2. device according to claim 1, is characterized in that:
Be provided with two-stage heat-storage subtense angle, described two-stage heat-storage subtense angle comprises high-temperature heat accumulation device (71), low-temperature heat accumulating device (72), from cavity type receiver (59) high-temperature gas out (61) of solar energy Accumulated Heat Units, store through the part sensible heat of high-temperature heat accumulation device (71) by high-temperature gas, store the fire-retardant gas after sensible heat through high-temperature heat accumulation device (71), then store after (72) heat drop temperature through low-temperature heat accumulating device and discharge;
Described two-stage heat-storage subtense angle is store heat when solar radiation energy is sufficient, when solar radiant energy quantity not sufficient, Boulez pauses the fire-retardant gas in circulation after compressor pressure, after low-temperature heat accumulating device (72), high-temperature heat accumulation device (71) heating, the high-temperature gas (61) produced, drives gas-turbine (62) drawing generator (74) generating.
3. device according to claim 3, is characterized in that:
Comprise high-temperature heat accumulation working medium in described high-temperature heat accumulation device (71), this high-temperature heat accumulation working medium comprises fused salt, metal heat-accumulating material or resistant to elevated temperatures concrete heat-accumulating material;
Comprise low-temperature heat accumulating working medium in described low-temperature heat accumulating device (72), this low-temperature heat accumulating working medium comprises conduction oil, high pressure saturation water or phase-change working substance.
4. device according to claim 3, is characterized in that:
From the entrance of the gas that backflows (73) introducing gas compressor (65) that low-temperature heat accumulating device (72) is discharged, or after regenerator (63) cooling, introduce the entrance of gas compressor (65) again.
5. device according to claim 1, is characterized in that:
Be provided with the gas return path of organic working medium turbine shaft seal anti-leak: the fire-retardant gas that gas compressor (65) outlet is drawn from Boulez pauses circulation, introduce shaft seal through shaft seal gas piping (76), prevent the leakage of organic working medium.
6. device according to claim 1, is characterized in that:
Described gas-turbine (62), organic working medium steam turbine (68) adopt the coaxial or different axle method of operation.
7. device according to claim 7, is characterized in that:
During described gas-turbine (62), organic working medium steam turbine (68) employing coaxial manner, same generator merged into by generator (74), organic working medium generator (70).
8. device according to claim 1, is characterized in that:
Described gas-turbine (62), organic working medium steam turbine (68) are scroll expansion machine, screw type expansion machine, centrifugal decompressor or piston expansion engine.
9. device according to claim 1, is characterized in that:
Described Boulez pause circulation in be provided with thermoregulator between gas compressor (65) and gas-turbine (62), adopt fuel burner burning produce high-temperature flue gas heating Boulez pause circulate cycle fluid, indirectly fill into institute's calorific requirement.
CN201520271656.7U 2015-04-29 2015-04-29 A kind of Boulez pauses-organic Rankine type solar energy thermal-power-generating device Expired - Fee Related CN204691835U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
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CN105928372A (en) * 2016-04-19 2016-09-07 西安交通大学 Organic working medium Rankine cycle power generation system for recycling sintering process complementary energy
CN106287657A (en) * 2016-09-14 2017-01-04 西安热工研究院有限公司 Supercritical carbon dioxide Bretton and organic Rankine combined cycle thermal power generation system
CN106352317A (en) * 2016-09-14 2017-01-25 西安热工研究院有限公司 Thermal power generation system adopting supercritical carbon dioxide Bretton and steam Rankine combined cycle
CN107044392A (en) * 2016-02-05 2017-08-15 龙禧国际投资公司 Electricity generation system
CN109356805A (en) * 2018-11-09 2019-02-19 中国能源建设集团江苏省电力设计院有限公司 A kind of CO with high-temperature phase-change energy storage2Solar-thermal generating system and its control method
CN110242522A (en) * 2019-04-12 2019-09-17 西安热工研究院有限公司 A kind of solar light-heat power-generation system and method based on heat chemistry energy storage

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107044392A (en) * 2016-02-05 2017-08-15 龙禧国际投资公司 Electricity generation system
CN105928372A (en) * 2016-04-19 2016-09-07 西安交通大学 Organic working medium Rankine cycle power generation system for recycling sintering process complementary energy
CN105928372B (en) * 2016-04-19 2018-12-07 西安交通大学 A kind of organic rankie cycle electricity generation system recycling sintering process complementary energy
CN106287657A (en) * 2016-09-14 2017-01-04 西安热工研究院有限公司 Supercritical carbon dioxide Bretton and organic Rankine combined cycle thermal power generation system
CN106352317A (en) * 2016-09-14 2017-01-25 西安热工研究院有限公司 Thermal power generation system adopting supercritical carbon dioxide Bretton and steam Rankine combined cycle
CN106287657B (en) * 2016-09-14 2018-06-22 西安热工研究院有限公司 Supercritical carbon dioxide Bretton and organic Rankine combined cycle thermal power generation system
CN106352317B (en) * 2016-09-14 2018-06-22 西安热工研究院有限公司 Supercritical carbon dioxide Bretton and steam Rankine combined cycle thermal power generation system
CN109356805A (en) * 2018-11-09 2019-02-19 中国能源建设集团江苏省电力设计院有限公司 A kind of CO with high-temperature phase-change energy storage2Solar-thermal generating system and its control method
CN110242522A (en) * 2019-04-12 2019-09-17 西安热工研究院有限公司 A kind of solar light-heat power-generation system and method based on heat chemistry energy storage
CN110242522B (en) * 2019-04-12 2024-01-30 西安热工研究院有限公司 Solar photo-thermal power generation system and method based on thermochemical energy storage

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