CN203867640U - Optimized integrated system for combined power generation of solar energy and biomass energy - Google Patents

Optimized integrated system for combined power generation of solar energy and biomass energy Download PDF

Info

Publication number
CN203867640U
CN203867640U CN201420173803.2U CN201420173803U CN203867640U CN 203867640 U CN203867640 U CN 203867640U CN 201420173803 U CN201420173803 U CN 201420173803U CN 203867640 U CN203867640 U CN 203867640U
Authority
CN
China
Prior art keywords
thermal
photo
steam
solar energy
biomass
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201420173803.2U
Other languages
Chinese (zh)
Inventor
陈义龙
张岩丰
刘文焱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Kaidi Engineering Technology Research Institute Co Ltd
Original Assignee
Wuhan Kaidi Engineering Technology Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Kaidi Engineering Technology Research Institute Co Ltd filed Critical Wuhan Kaidi Engineering Technology Research Institute Co Ltd
Priority to CN201420173803.2U priority Critical patent/CN203867640U/en
Application granted granted Critical
Publication of CN203867640U publication Critical patent/CN203867640U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

The utility model provides an optimized integrated system for combined power generation of solar energy and biomass energy. The optimized integrated system comprises an ultrahigh-pressure or high-pressure solar photothermal boiler system, an ultrahigh-pressure or high-pressure biomass boiler system and a turbine generator system. High-temperature heat conduction oil output from a solar light field sequentially flows through a photothermal evaporator and a photothermal heater, the high-temperature heat conduction oil can return back to a heat conduction oil storage tank after heat release and cooling, low-temperature heat conduction oil of the heat conduction oil storage tank is conveyed to the solar light field through a circulating oil pump, accordingly circulation of heat conduction oil is finished, and meanwhile photothermal conveying and heat exchange are achieved. Photothermal vapor generated by the photothermal evaporator can be sent to the biomass boiler system through a vapor mother pipe. An auxiliary coal or fuel gas or oil burning boiler is in parallel connection with the photothermal evaporator and the photothermal heater. Auxiliary vapor generated by the auxiliary coal or fuel gas or oil burning boiler can be mixed with the photothermal vapor through the vapor mother pipe to be sent to the biomass boiler system, photothermal mixed vapor and vapor generated by the biomass boiler can be heated to 540 DEG C +/- 5 DEG C in the biomass boiler system, and overheat vapor can be sent to a turbine generator to expand and act to drive the turbine generator to generate power. By means of combination of the solar energy and the biomass energy, the installed size of a power plant is enlarged, and the economical benefits of the power plant are improved.

Description

The optimization integrated system of a kind of solar energy and biomass energy cogeneration
Technical field
The utility model relates to renewable technical field of new energies, i.e. the technology of solar energy and biomass energy cogeneration refers to the optimization integrated system of a kind of solar energy and biomass energy cogeneration particularly.
Background technique
Socioeconomic development depends on the energy, but along with the continuous exploitation of fossil energy, primary energy is shortage day by day, and user cost is more and more higher; On the other hand, due to the excessive use of fossil energy, environmental pollution problem becomes increasingly conspicuous, and the mankind's living environment in serious threat.In order to reduce the dependence of fossil energy and to alleviate environmental pollution, countries in the world are all at Devoting Major Efforts To Developing with utilize renewable and clean energy resource, particularly solar energy and biomass energy.
Feature widely distributed, inexhaustible, with low cost, clean environment firendly that solar energy and biomass energy all have, it is the renewable and clean energy resource of tool application prospect, rational exploitation and utilization they, to ensureing world energy sources safety, realize sustainable development, improve environment for human survival and there is important strategic importance.
Solar energy thermal-power-generating is the important directions that solar energy utilizes, photothermal power generation is identical with the working principle of conventional thermal power generation, difference is that heat resource form is different, solar light-heat power-generation is to utilize light and heat collection system, the radiation energy of assembling the sun, by photo-thermal change, thermoelectricity changes, thereby realize the hot power generation process of solar energy.
Solar energy has the multiple light and heat collection modes such as slot type, tower, dish formula and Fresnel, and slot type system architecture is simple, uniaxiality tracking, and technology is comparatively ripe, is really to have realized at present business-like solar-thermal generating system.
Yet, in the practical application of slot type photothermal power generation technology, still there are some technical problems, particularly simple solar groove type system.Because the energy density of solar energy is low, this has just determined to need very large light field and floor space, and cost of investment is very high; Along with time and change round the clock, there is fluctuation and intermittent in photo-thermal supply, and the supply of photo-thermal is discontinuous, unstable; The thermal-arrest medium that slot type system is used is conduction oil, and approximately 400 ℃ of the highest oil temperatures that conduction oil can bear, by changing, thermogenetic vapor (steam) temperature is the highest can only reach 380 ℃ of left and right, does not match with the main steam temperature of 540 ℃, modern high parameter steam turbine.These features of solar energy and slot type system have determined that the efficiency of simple solar light-heat power-generation is low, cost is high; Power plant transports and stop daytime night, and generating hour number is few, Utilization ratio is low; Device frequent start-stop, equipment suffers greater impact, affects working life.
For addressing the above problem, external general way is on the basis of simple solar heat power generation system, configuration heat-stored device or with the integrated ISCC combined cycle system of rock gas, to realize continuous operation.But heat-stored device system complex, involve great expense, can't fundamentally solve all the long, dark night and overcast and rainy accumulation of heat problem; Harsh with the integrated combined cycle system construction condition of ISCC, still to rely on natural gas resource and the gas transmission pipeline net work of high-quality, and combustion machine and afterheat boiler system is complicated, investment is very large.
Domestic also have an imagination that photo-thermal is integrated into conventional coal fired power plant, as replaced certain level of steam turbine, draws gas, and in the mode of heated feed water, enters steam turbine heat regenerative system.Which has changed the thermodynamic system of steam turbine, has reduced the thermal efficiency of system; Photo-thermal is for the very low feedwater of heating-up temperature, photo-thermal utilize grade lower; Can be integrated photothermal power generation share also limited, be difficult to surpass 10%;
As photo-thermal enters the mesolow cylinder of steam turbine in the mode of filling, require existing steam turbine to do technical innovation, increased technical risk and equipment cost; The fluctuation of photo-thermal steam or interruption, affect generating and the supply load in power station, to electrical network, also can cause certain impact;
It is overheated as photo-thermal steam is directly introduced, in coal-fired power station boiler, to go, and the method seems advantages of simple from energy balance angle, but from boiler structure, heating surface configuration and heat transfer theory, is difficult to realize.
In sum, conventional solar groove type heat generating system ubiquity technical parameter is low, system complex, generating efficiency is low, the stability of a system is poor, cost of investment is high problem, these problems are difficult to integrate effective solution by simple technique, therefore, need to seek technological innovation, the compound mode of breaking the normal procedure, combines complementary angle from various energy resources, develops the optimization intergration model of a kind of new solar energy and biomass energy combined generating system.
Summary of the invention
The purpose of this utility model is the technical problem existing for overcoming conventional solar heat power generation system, the utility model will provide the optimization integrated system of a kind of solar energy and biomass energy cogeneration, utilize modern thermal power generation high parameter system platform, improve photothermal power generation efficiency; Adopt the common machine power generation mode of solar energy heat boiler and biomass boiler two furnace zone one machines, simplify solar-thermal generating system and equipment configuration; Integrated light and heat collection, photo-thermal heat exchange and assistant coal or combustion gas or oil-fired boiler complementary solar energy optical-thermal steam generator system in parallel, effectively solve solar energy and supply with intermittence and the instability problem existing; Adopt cheap fire coal to make postcombustion, break away from the dependence of power plant to high-quality natural gas resource and supply pipe network; In addition, by combining of solar energy and biomass energy, do the installation scale of high-power station, improve economic benefit and the environmental benefit of combined plant.
The technical solution of the utility model: the optimization integrated system of solar energy of the present utility model and biomass energy cogeneration comprises the solar energy optical-thermal steam generator system of ultrahigh pressure or high pressure, the biomass boiler system of ultrahigh pressure or high pressure and steam turbine generator system, from the high temperature heat conductive oil of the solar energy light field output of the solar energy optical-thermal steam generator system photo-thermal vaporizer of flowing through successively, photo-thermal heater, after heat release cooling, get back to conduction oil storage tank, the low temperature conduction oil of conduction oil storage tank is transported to solar energy light field through oil circulating pump, complete conduction oil circulation, realize transmission and the heat exchange of photo-thermal simultaneously, the photo-thermal steam that photo-thermal vaporizer produces is delivered to biomass boiler system by steam main, assistant coal or combustion gas or oil-fired boiler and photo-thermal vaporizer, photo-thermal heater are set and connect, the auxiliary steam that assistant coal or combustion gas or oil-fired boiler produce is also by delivering to biomass boiler system after steam main and photo-thermal vapor mixing, the self-produced steam of photo-thermal mixed vapour and biomass boiler is superheated to 540 ℃ ± 5 ℃ in biomass boiler system, and superheated vapor is transported to steam turbine generator expansion and does work and drive generator generating, the exhaust steam access vapour condenser of steam turbine generator is condensed into water of condensation and is collected to the condensate water tank of vapour condenser, water of condensation enters oxygen-eliminating device after low-pressure heater heating is sent in condensate pump pressurization, from oxygen-eliminating device water out, through feed water pump, squeeze into high-pressure heater heating, heating-up temperature is 240 ℃ ± 5 ℃, then through first flow distributor, be divided into two-way, one tunnel enters biomass boiler system and produces steam, another road enters solar energy optical-thermal steam generator system, the feedwater that enters solar energy optical-thermal steam generator system is divided into again two-way through the second flow distributor, one tunnel enters photo-thermal heater, another road enters assistant coal or combustion gas or oil-fired boiler, the second flow distributor regulates and enters photo-thermal heater and the feedwater flow allocation proportion that enters assistant coal or combustion gas or oil-fired boiler according to the power of solar energy, saturated vapour is produced in the feedwater that enters solar energy optical-thermal steam generator system, completes the cyclic process of acting working medium.
Advantage of the present utility model and effect:
1, the utility model constructs the new mode of a kind of solar energy and biomass energy cogeneration, new system, and by the high parameter platform of biomass direct combustion power generation, the efficiency power generation of realizing solar energy utilizes target;
2, adopt the common machine power generation mode of solar energy heat boiler and biomass boiler two furnace zone one machines, do not establish heat-stored device, simplified solar-thermal generating system and equipment configuration, the cost of reducing investment outlay;
3, fluctuation, photo-thermal intermittently and assistant coal or combustion gas or oil-fired boiler are carried out in parallel complementary, it reasonably shares share, produces the middle saturated vapour of regime flow, efficiently solves intermittence and the instability problem of solar energy supply existence;
4, compare with the mode of utilizing that photo-thermal is filled into steam turbine heat regenerative system, native system solar thermal utilization has comprised working medium heating and evaporation process, has realized the cascade utilization of photo-thermal, and efficiency of utilization is high;
5, the utility model assistant coal or combustion gas or oil-fired boiler maximum contribution rate are by 30% share configuration and deposit, utilize cheap fire coal as auxiliary supplemental heat source, break away from the dependence to high-quality natural gas resource and supply pipe network, meet country coal-fired in biomass energy blending heat than the energy policy that is no more than 20%;
6, by the combining of solar energy and biomass energy, do the installation scale of high-power station, improve economic benefit and the environmental benefit of combined plant.
7, auxiliary steam is selected saturated vapour, can adapt to the significantly variation of photo-thermal, and donkey boiler load regulation range can reach 30%~100%; Photo-thermal steam is selected saturated vapour, and convenience is mated with auxiliary steam, also helps and controls conduction oil upper limiting temperature, increases the service life;
8, mix saturated vapour and all send in biomass boiler system overheatedly, and be superheated to 540 ℃, to meet the admission requirement of high parameter steam turbine.
Accompanying drawing explanation
Fig. 1 is capital equipment of the present utility model and schematic flow sheet.
Wherein, 1-slot-type optical collector, 2-heat collector, 3-oil circulating pump, 4-conduction oil expansion drum, 5-photo-thermal heater, 6-photo-thermal vaporizer, the female pipe of 7-saturated vapour, 8-assistant coal or combustion gas or oil-fired boiler, 9-biomass boiler system, 10-steam turbine, 11-generator, 12-vapour condenser, 13-condensate pump, 14-low-pressure heater, 15-oxygen-eliminating device, 16-feed water pump, 17-high-pressure heater, 18-first flow distributor 19-the second flow distributor, 20-supply load, 21-first flow meter: steam consumption quantity f1, 22-the second flowmeter: give water inventory f2, 23-the 3rd flowmeter: feedwater flow f3, 24-the 4th flowmeter: feedwater flow f4, 25-the 5th flowmeter: feedwater flow f5, 26-the 6th flowmeter: feedwater flow f6, 27-thermometer: returning-oil temperature t.
Embodiment
Below in conjunction with accompanying drawing, concrete enforcement of the present utility model is described in further detail.
As shown in Figure 1, the optimization integrated system of a kind of solar energy provided by the utility model and biomass energy cogeneration mainly comprises solar energy optical-thermal steam generator system, biomass boiler system and steam turbine generator system.Particularly, solar energy optical-thermal steam generator system is comprised of the female pipe 7 of slot-type optical collector 1, heat collector 2, oil circulating pump 3, conduction oil storage tank 4, photo-thermal heater 5, photo-thermal vaporizer 6, saturated vapour, assistant coal or combustion gas or oil-fired boiler 8 and annex.
Light and heat collection process: slot-type optical collector 1 and heat collector 2 component units, a plurality of unit series and parallel forms solar energy light field, and light field completes collection, optically focused reflection and the photo-thermal transfer process of solar energy.
Photo-thermal transmission and heat transfer process: thermal-arrest medium heat conduction oil is squeezed into light field from conduction oil storage tank 4 through oil circulating pump 3, approximately 280 ℃ of import oil temperatures, in light field heat absorption, be warming up to nearly 380 ℃ of outputs, first enter photo-thermal vaporizer 6, be connected to photo-thermal heater 5 with the outlet from photo-thermal vaporizer 6 after saturation water heat exchange, then with feedwater heat exchange, temperature is down to approximately 280 ℃, be back to conduction oil storage tank 4, complete conduction oil circulation; Feedwater is carried out assignment of traffic through the second flow distributor, a part enters photo-thermal heater 5, absorbs the heat of conduction oil, is warming up to saturated-water phase, realize the heating of feedwater, this part saturation water access photo-thermal vaporizer 6, the heat of absorption conduction oil, completes evaporation process, produce photo-thermal saturated vapour, this steam is as one of saturated vapour, and the female pipe 7 of access saturated vapour, mixes with auxiliary saturated vapour.
The generation of auxiliary saturated vapour: distribute to the feedwater of assistant coal or combustion gas or oil-fired boiler 8, produce saturated vapour through heating, evaporation, auxiliary saturated vapour also enters the female pipe 7 of saturated vapour, mixes with photo-thermal saturated vapour, delivers to biomass boiler system 9 overheated.
Biomass boiler system 9 mainly comprises firing unit, economizer, vaporizer and superheater, as mentioned above, this stove is except self-produced a certain amount of steam, also accept the saturated vapour from photo-thermal steam generator system, and in its superheater, complete overheated, reach approximately 540 ℃, to meet the admission requirement of high parameter steam turbine.
Steam turbine generator system comprises steam turbine 10, generator 11, vapour condenser 12, condensate pump 13, low-pressure heater 14, oxygen-eliminating device 15, feed water pump 16, high-pressure heater 17 etc., the superheated vapor of being exported by biomass boiler system 9 is connected to steam turbine 10, steam is in the interior expansion acting of steam turbine 10, and drive generator 11 to generate electricity, exhaust steam access vapour condenser 12 after acting, exhaust steam becomes water of condensation and is collected to condensate water tank in the interior heat release of vapour condenser 12, water of condensation is sent into low-pressure heater 14 through condensate pump 13 pressurizations, after heating, enter oxygen-eliminating device 15, from oxygen-eliminating device feedwater out, through feed water pump 16, squeeze into high-pressure heater 17 heating, temperature is elevated to 215 ℃~240 ℃, through first flow distributor, be divided into two-way, one tunnel enters the economizer of biomass boiler system, another road enters solar energy optical-thermal steam generator system, complete the cyclic process of acting working medium.
Described photo-thermal steam generator system is born 30% generating share, and biomass boiler system is born 70% generating share, specific to steam generator system, and the heat share of its output of generating share equivalence.
Described photo-thermal steam generator system comprises solar energy light field, photo-thermal heat exchanger and assistant coal or combustion gas or oil-fired boiler, and solar energy light field is connected to photo-thermal heat exchanger, and photo-thermal heat exchanger and assistant coal or combustion gas or oil-fired boiler are all connected to the female pipe of saturated vapour.Solar energy light field is comprised of slot-type optical collector, the heat collector series and parallel of sufficient amount, condenser projects the solar radiant energy of collecting on heat collector, heat collector is converted into heat energy by radiation energy, and by heat-conducting oil heating to the temperature of approximately 380 ℃, high temperature heat conductive oil in photo-thermal heat exchanger with cycle fluid heat exchange, the saturated vapour producing is referred to as photo-thermal steam, and photo-thermal steam is connected to the female pipe of saturated vapour.
Described photo-thermal heat exchanger comprises heater and vaporizer, vaporizer is connected with the outlet of light field heat-conducting oil system, thermal conductive oil pipeline is through vaporizer and heater, the outlet of heater low temperature conduction oil is connected with conduction oil expansion drum, oil circulating pump is returned light field heat absorption by low temperature heat conduction from conduction oil expansion drum and is heated up, and completes the On The Cycle Working Process of conduction oil; The feedwater of acting working medium absorbs the heat that conduction oil transmits in heater, and temperature is increased to saturation state, is connected in vaporizer, and in vaporizer, further heat absorption evaporation, forms saturated vapour, and saturated vapour outlet connects the female pipe of saturated vapour.
Due within the cycle at sunshine, solar radiation is changed in time and round the clock and is changed, the photo-thermal steam flow that can produce also changes thereupon, for this variation of balance, the utility model arranges a set of assistant coal or combustion gas or oil-fired boiler system especially, and the saturated vapour that it produces with photo-thermal steam uniform pressure, is referred to as auxiliary steam, after photo-thermal steam and auxiliary steam mix in the female pipe of saturated vapour, send in the lump biomass boiler system go overheated.When illumination dies down, when photo-thermal steam flow reduces, donkey boiler is strengthened burning, and auxiliary steam amount increases, otherwise does oppositely to adjust, and principle is that total saturated vapour amount keeps stablizing constant.
Described donkey boiler is wet steamer, and its vapor pressure must match with photo-thermal vapor pressure, biomass boiler system pressure, and its maximum heat contribution is by 30% share configuration and deposit.
Described biomass boiler system mainly comprises firing unit, economizer, vaporizer and superheater, compare with conventional boiler, this stove is except self-produced a certain amount of steam, also accept the saturated vapour from photo-thermal steam generator system, and in its superheater, complete overheated, reach approximately 540 ℃, to meet the admission requirement of high parameter steam turbine.
The concrete structure of described biomass boiler is different from conventional boiler with heat distribution, and it has the combustion space of conventional boiler 70%, is responsible for the biomass combustion of tissue 70%, completes 55% feedwater heating and evaporation, completes the overheated of 100% steam flow.
Described steam turbine generator system comprises steam turbine, generator, vapour condenser, condensate pump, low-pressure heater, oxygen-eliminating device, feed water pump, high-pressure heater etc., qualified superheated vapor from biomass boiler system enters turbine expansion acting as main steam, and steam turbine drives generator generating.Exhaust steam after acting enter vapour condenser and by condensate pump, pressurizeed after through after low-pressure heater heating, enter oxygen-eliminating device, oxygen-eliminating device employing low pressure (LP) cylinder draws gas and heats dissolved oxygen and other gas of removing in feedwater, from oxygen-eliminating device feedwater out, through feed water pump, squeeze into high-pressure heater heating, then be divided into two-way, one tunnel enters the economizer of biomass boiler system, another road enters solar energy optical-thermal steam generator system, and flow and the allocation proportion of this two-way remain unchanged substantially; The feedwater that enters solar energy optical-thermal steam generator system is divided into two-way again, the road hot heater that delusters, and assistant coal or combustion gas or oil-fired boiler are removed in another road, and the variation of the basic of distribution illumination intensity of this two-way flow and photo-thermal steam production are done coupling and are regulated, and this disappears, and that is long.
Assignment of traffic process: supply load 20 has determined the steam consumption quantity f1 of native system, and then determine to water inventory f2, first flow distributor 18 is imported and exported detection and the integrating of flow f2, f3 and f4 by it, adjust distributor valve position aperture, the flow f3:f4 that maintains outlet two-way distributes by fixed proportion 55:45; The feedwater that enters solar energy optical-thermal steam generator system is divided into two-way again by the second flow distributor again, one tunnel is the hot heater that delusters, another road is for removing assistant coal or combustion gas or oil-fired boiler, the variation adjustment of the basic of distribution illumination power of this two-way flow, specifically by the variation that is arranged on returning-oil temperature t on conduction oil storage tank, adjust valve seat opening, when t raises, enlargement discharge f6, reduce flow f5; When t reduces, reduce flow f6, enlargement discharge f5.
Light field is provided with oil temperature and detects and protective gear, the meridian hour, illumination direct projection is stronger, the feedwater flow f6 that distributes to light field has increased to maximum (being f5=0), returning-oil temperature t still, when rising and surpassing 300 ℃ or oil outlet temperature and surpass 380 ℃, starts light field tracking means, adjusts illumination reference angle, uninstall part light radiation, make returning-oil temperature t return normal range (NR); Night in winter or when overcast and rainy, does not have light radiation, and the feedwater flow f6 that distributes to light field has been down to 0, t while being down to 200 ℃, should start oil storage tank heater oil return is carried out to circulating-heating, prevents that conduction oil from solidifying and to protect light field equipment to exempt from freezing.
Why not directly photo-thermal steam is delivered in biomass boiler, go overheated? be because photo-thermal steam flow with illumination fluctuation, unstable, even night or overcast and rainy can intermittent interruption, electric boiler as high parameter, its normal guarantor's steam temperature varying duty scope is 70%~100%, and biomass boiler cannot adapt to the variation operating mode of photo-thermal; In addition, astable exogenous steam overheated, also has technical difference with boiler varying duty, and it has broken the heat distribution ratio of boiler, and boiler heating surface configuration must adjusted design.When unglazed photograph, unglazed hot steam, boiler should return original working state, but boiler heating surface is through adjusting, and cannot get back to the state before adjustment, and Here it is photo-thermal steam and biomass boiler are directly combined the fast knot of existence.For untiing this fast knot, the utility model is provided with donkey boiler and Auxiliary Steam especially.Why to select wet steamer, because it can adapt to the significantly variation of photo-thermal, only protecting load is steam output, need not protect steam temperature, its regulation range can reach 30%~100%, while there is no photo-thermal, can by donkey boiler, do not substituted completely, can guarantee that like this biomass boiler system keeps base load without change, complicated combining by this programme of even cannot completing stablized realization.
The high parameter of described combined generating system refers to the optional ultrahigh pressure 13.7MPa of main vapour pressure or high pressure 9.81MPa, and main steam temperature is 540 ℃, to guarantee higher generating efficiency.
Object described in the utility model realizes by following technical solution, relies on biomass direct combustion power generation platform, location superhigh-pressure high-temp (13.7MPa; 540 ℃) or High Temperature High Pressure parameter (9.81MPa; 540 ℃), the common machine power generation mode of employing solar energy heat boiler and biomass boiler two furnace zone one machines; In conjunction with the temperature characteristic of solar groove type system and photo-thermal steam, be difficult to the technical problem of directly docking with biomass boiler institute producing steam one step, fluctuation photo-thermal intermittently is first carried out to complementation in parallel with assistant coal or combustion gas or oil-fired boiler, produce the middle saturated vapour of regime flow, send into again in biomass boiler system and be superheated to 540 ℃, to meet the admission requirement of high parameter steam turbine.The step and the technology that by this programme, are broken the whole up into parts, implemented step by step are integrated, and the temperature that efficiently solves solar groove type system is low, solar energy is supplied with and had intermittence and instability problem; Utilize the high parameter platform of modern biomass direct combustion power generation, improve photothermal power generation efficiency; Simplify solar-thermal generating system and equipment configuration; Adopt cheap fire coal to make postcombustion, break away from the dependence of power plant to high-quality natural gas resource and supply pipe network; In addition, by combining of solar energy and biomass energy, do the installation scale of high-power station, improve economic benefit and the environmental benefit of combined plant.

Claims (2)

1. the optimization integrated system of a solar energy and biomass energy cogeneration, the solar energy optical-thermal steam generator system that comprises ultrahigh pressure or high pressure, the biomass boiler system of ultrahigh pressure or high pressure and steam turbine generator system, it is characterized in that: from the high temperature heat conductive oil of solar energy light field (the 1 and 2) output of the solar energy optical-thermal steam generator system photo-thermal vaporizer (6) of flowing through successively, photo-thermal heater (5), after heat release cooling, get back to conduction oil storage tank (4), the low temperature conduction oil of conduction oil storage tank (4) is transported to solar energy light field (1 and 2) through oil circulating pump (3) and completes conduction oil circulation, realize transmission and the heat exchange of photo-thermal simultaneously, the photo-thermal steam that photo-thermal vaporizer (6) produces is delivered to biomass boiler system (9) by steam main (7), assistant coal or combustion gas or oil-fired boiler (8) be set with photo-thermal vaporizer (6), photo-thermal heater (5) and connect, the auxiliary steam that assistant coal or combustion gas or oil-fired boiler (8) produce is also by delivering to biomass boiler system (9) after steam main (7) and photo-thermal vapor mixing, the self-produced steam of photo-thermal mixed vapour and biomass boiler is superheated in biomass boiler system (9), and superheated vapor is transported to steam turbine generator (10) expansion and does work and drive generator (11) generating.
2. the optimization integrated system of solar energy according to claim 1 and biomass energy cogeneration, it is characterized in that: the exhaust steam access vapour condenser (12) of steam turbine generator (10) is condensed into water of condensation and is collected to the condensate water tank of vapour condenser (12), water of condensation enters oxygen-eliminating device (15) after low-pressure heater (14) heating is sent in condensate pump (13) pressurization, from oxygen-eliminating device (15) water out, through feed water pump (16), squeeze into high-pressure heater (17) heating, then through first flow distributor (18), be divided into two-way, one tunnel enters biomass boiler system (9) and produces steam, another road enters solar energy optical-thermal steam generator system, the feedwater that enters solar energy optical-thermal steam generator system is divided into again two-way through the second flow distributor (19), one tunnel enters photo-thermal heater (5), another road enters assistant coal or combustion gas or oil-fired boiler (8).
CN201420173803.2U 2014-04-11 2014-04-11 Optimized integrated system for combined power generation of solar energy and biomass energy Withdrawn - After Issue CN203867640U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420173803.2U CN203867640U (en) 2014-04-11 2014-04-11 Optimized integrated system for combined power generation of solar energy and biomass energy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420173803.2U CN203867640U (en) 2014-04-11 2014-04-11 Optimized integrated system for combined power generation of solar energy and biomass energy

Publications (1)

Publication Number Publication Date
CN203867640U true CN203867640U (en) 2014-10-08

Family

ID=51648609

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420173803.2U Withdrawn - After Issue CN203867640U (en) 2014-04-11 2014-04-11 Optimized integrated system for combined power generation of solar energy and biomass energy

Country Status (1)

Country Link
CN (1) CN203867640U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953402A (en) * 2014-04-11 2014-07-30 武汉凯迪工程技术研究总院有限公司 Solar energy and biomass energy combined power generation optimizing integrated system
WO2019080742A1 (en) * 2017-10-24 2019-05-02 中国能源建设集团浙江省电力设计院有限公司 Multi-coupling power generation system and power generation method
CN114635765A (en) * 2022-03-28 2022-06-17 西安热工研究院有限公司 Novel energy storage and energy utilization system and method for storing heat by using retired coal-fired boiler
CN113356951B (en) * 2021-07-07 2022-06-28 中国电建集团山东电力建设有限公司 IGCC generator combined gas sensible heat recovery steam load distribution method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953402A (en) * 2014-04-11 2014-07-30 武汉凯迪工程技术研究总院有限公司 Solar energy and biomass energy combined power generation optimizing integrated system
CN103953402B (en) * 2014-04-11 2015-07-29 武汉凯迪工程技术研究总院有限公司 The optimization integrated system of a kind of solar energy and biomass energy cogeneration
WO2015154585A1 (en) * 2014-04-11 2015-10-15 武汉凯迪工程技术研究总院有限公司 Optimized integrated system for solar-biomass hybrid electricity generation
WO2019080742A1 (en) * 2017-10-24 2019-05-02 中国能源建设集团浙江省电力设计院有限公司 Multi-coupling power generation system and power generation method
CN113356951B (en) * 2021-07-07 2022-06-28 中国电建集团山东电力建设有限公司 IGCC generator combined gas sensible heat recovery steam load distribution method
CN114635765A (en) * 2022-03-28 2022-06-17 西安热工研究院有限公司 Novel energy storage and energy utilization system and method for storing heat by using retired coal-fired boiler
CN114635765B (en) * 2022-03-28 2024-03-12 西安热工研究院有限公司 Novel energy storage and energy utilization system and method for storing heat by utilizing retired coal-fired boiler

Similar Documents

Publication Publication Date Title
CN103953402B (en) The optimization integrated system of a kind of solar energy and biomass energy cogeneration
CN104963776B (en) A kind of solar heat complementation association circulating power generation system
CN102454440B (en) Board slot combined solar energy and thermal power station complementary generating system
CN103912464A (en) Combined solar heat and BIGCC power generation system
CN107100684A (en) A kind of steam power plant utilizes boiler bypass depth of round peak regulation modernization system
CN103089555A (en) Solar heat collection technology and gas-steam combined cycle device coupling power generation technology
CN102733956B (en) System and method for fossil fuel and solar energy-complementary distributed energy supply
CN103147945A (en) Solar power and biomass power complementing organic Rankine cycle cogeneration system
CN205047262U (en) Super supercritical carbon dioxide power generation system based on secondary reflection spotlight heat absorption technique
CN203867640U (en) Optimized integrated system for combined power generation of solar energy and biomass energy
CN106523053A (en) Solar heat and thermal power plant coupling power generation and heat storage energy combination system and realization method
Jiang et al. Performance analysis of tower solar aided coal-fired power plant with thermal energy storage
CN204003297U (en) The combined generating system that solar energy optical-thermal and BIGCC are integrated
CN102822475A (en) Method for increasing the efficiency of a power plant equipped with a gas turbine, and power plant for carrying out the method
CN104179646A (en) Photo-thermal energy and terrestrial heat combined complementary renewable energy power station system
CN108757071A (en) A kind of solar energy-combined cycle complementation co-generation unit
CN102454563B (en) Steam-injection-type solar and thermal power station complementary generating system
CN102966495B (en) Tower type solar energy-steam combustion gas combined cycle power generation system
CN103089556A (en) Compact solar heat collection technology and gas-steam combined circulating device coupling power generation technology
CN110273722A (en) A kind of thermal power plant's concrete heat accumulation peak regulation system and method
CN201836001U (en) Steam injection type solar energy and thermal power station complementary power generation system
CN204003103U (en) A kind of distributed energy supply equipment that adopts rock gas and solar association circulation
CN104912757A (en) Trough-type solar thermal and natural gas combined power generation system
CN203081667U (en) Solar and fossil fueled plant complemental circulating device
CN203867641U (en) Combined power generation system of low-temperature economizer of biomass boiler

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20141008

Effective date of abandoning: 20150729

RGAV Abandon patent right to avoid regrant