CN103807009B - The distributed internal-combustion engine cool and thermal power system and method for solar energy and alternative fuel complementation - Google Patents

The distributed internal-combustion engine cool and thermal power system and method for solar energy and alternative fuel complementation Download PDF

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CN103807009B
CN103807009B CN201210455075.XA CN201210455075A CN103807009B CN 103807009 B CN103807009 B CN 103807009B CN 201210455075 A CN201210455075 A CN 201210455075A CN 103807009 B CN103807009 B CN 103807009B
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solar energy
fuel
combustion engine
gas
alternative fuel
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CN103807009A (en
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金红光
洪慧
刘启斌
韩巍
隋军
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Institute of Engineering Thermophysics of CAS
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Institute of Engineering Thermophysics of CAS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/14—Combined heat and power generation [CHP]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

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Abstract

The invention discloses the distributed internal-combustion engine cool and thermal power system and method for a kind of solar energy and alternative fuel complementation, this system comprises the energy-storage system of solar energy and alternative fuel complementary interaction, solar energy fuel combustion machine power generating system, the absorption lithium bromide absorption chiller system of solar energy fuel fume afterheat, flue gas waste heat recovery reaction device, using waste heat from tail gas reclaim heat exchanger and jacket water plate type heat exchanger.Utilize the present invention, the solar energy of employing and alternative fuel complementation achieve solar energy to chemistry of fuel transformation of energy; Make light transformation of synthetic gas fuel storage, and be coupled with internal-combustion engine cogeneration cooling heating system, not only energy storage density is high, energy storage device volume is little, and reach that low cost, efficiently solar energy are hot and cold, the multi-functional object of CCHP simultaneously, and the solar electrical energy generation of the high cost of non-individual, cooling, heat supply, therefore efficiently solve that existing solar thermal utilization accumulation of energy is difficult, cost is high and inefficient problem.

Description

The distributed internal-combustion engine cool and thermal power system and method for solar energy and alternative fuel complementation
Technical field
The present invention relates to multi-energy complementation and new energy and energy-conserving and emission-cutting technology field, the distributed internal-combustion engine cool and thermal power system and method for specifically a kind of solar energy and alternative fuel complementation.
Background technique
Utilize solar thermal energy to generate electricity, refrigeration and heat supply, be realize the non-fossil energy of China's the year two thousand twenty to account for primary energy consumption ratio and to weigh one of the major measure of about 15% target.But because solar energy density is low, discontinuous and accumulation of energy is difficult, cause solar energy utilization ratio low, development and utilization level is severely limited.Particularly for solar energy thermal-power-generating; no matter adopt slot type or tower solar energy thermal-power-generating technology; the large density of heat flow rate adsorber of high temperature instability and the technical bottleneck such as the low cost caused of generating working medium temperature is high, efficiency is low are that solar energy thermal-power-generating cannot the main contributor of scale application.In addition, when utilizing separately solar thermal energy to heat or freeze, because solar energy is unstable, discontinuity and heating, refrigeration demand is relatively stable there is contradiction.
Solar thermal utilization and other resource complementations, particularly solar energy and fossil energy complementary, be solve that solar energy utilization ratio is low, a main path of discontinuous problem at present.In the world solar thermal energy and fossil energy complementation be mostly solar energy do not reach temperature required or without solar energy time, directly to be burnt supply energy by fossil fuel.The complementary technology that this simple solar energy heating and fossil fuel directly burn widely uses in solar-heating, refrigeration and solar heat power generation system.But it does not focus on energy grade counterpart and the coupling of different resource complementary process, be only that a kind of simple superposition of different resource utilizes.
Take internal-combustion engine as the cogeneration cooling heating system of power core be the current distributed energy resource system with better application prospect.Relative gas turbine, internal-combustion engine not only installation cost is low, and under underrun operating mode, has relatively good part throttle characteristics.But mostly there is severe pollutant emission problem in the cool and thermal power system that current gasoline or diesel engine are power core.In addition, in the winter time, smoke discharging residual heat (400-600 DEG C) direct heating of excessive temperature, causes the waste of a large amount of waste heat.Therefore, under how realizing variable working condition, efficient stable runs, namely ensure that the stable and clean generated output of solar energy of the generated output of complementary system under variable working condition is close to design load, realize fully effectively utilizing of solar energy resources, the important technological problems that the urgent need becoming solar energy and thermal power station's complementary technology solves simultaneously.
Summary of the invention
(1) technical problem that will solve
In view of this, main purpose of the present invention is the distributed internal-combustion engine cool and thermal power system and method providing a kind of solar energy and alternative fuel complementation, and to solve, existing solar thermal utilization accumulation of energy is difficult, cost is high and inefficient problem.
(2) technological scheme
For achieving the above object, the invention provides the distributed internal-combustion engine cool and thermal power system of a kind of solar energy and alternative fuel complementation, this system comprises the energy-storage system 100 of solar energy and alternative fuel complementary interaction, solar energy fuel combustion machine power generating system 200, the absorption lithium bromide absorption chiller system 300 of solar energy fuel fume afterheat, flue gas waste heat recovery reaction device 15, using waste heat from tail gas reclaim heat exchanger 16 and jacket water plate type heat exchanger 17, wherein:
The energy-storage system 100 of solar energy and alternative fuel complementary interaction, adopt slot light collection mirror 4 to be projected by Salar light-gathering along on the tubular type heat absorption reaction device 5 of slot light collection mirror 4 focal line layout, drive the alternative fuel in tubular type heat absorption reaction device 5 decompose or be restructured as solar energy fuel;
Solar energy fuel combustion machine power generating system 200, comprises gas internal-combustion engine 11 and generator 12,
The solar energy fuel Direct driver internal-combustion engine 11 that the energy-storage system 100 of solar energy and alternative fuel complementary interaction produces generates electricity, and burns release heat of high temperature, be converted into electric energy and export through generator 12 by internal-combustion engine 11 cylinder combustion;
The absorption lithium bromide absorption chiller system 300 of solar energy fuel fume afterheat, comprise flue gas heat-exchange unit 13 and steam type double-effect lithium bromide cooling machine set 14, the fume afterheat of solar energy fuel in internal-combustion engine 11 after combustion power generation, produce steam through flue gas heat-exchange unit 13, drive steam type double-effect lithium bromide cooling machine set 14 freeze and export;
Flue gas waste heat recovery reaction device 15, the flue gas that internal-combustion engine 11 is discharged and the alternative fuel when solar energy irradiation is not enough or the cloudy day rains through preheating evaporator 3 preheating all enter flue gas waste heat recovery reaction device 15, fume afterheat provides alternative fuel to be converted to the reaction heat of hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine 11, remaining fume afterheat enters flue gas heat-exchange unit 13 respectively and using waste heat from tail gas reclaims heat exchanger 16;
Using waste heat from tail gas reclaims heat exchanger 16, and in the steam that flue gas heat-exchange unit 13 produces and flue gas waste heat recovery reaction device 15, the flue gas sent here reclaims heat exchanger 16 heated feed water through using waste heat from tail gas and produces domestic hot-water;
Jacket water plate type heat exchanger 17, the jacket water of internal-combustion engine 11 produces domestic hot-water by jacket water plate type heat exchanger 17 heated feed water, and the domestic hot-water of generation is supplied to preheating evaporator 3 simultaneously and uses.
For achieving the above object, present invention also offers a kind of distributed internal-combustion engine cool and thermal power method of solar energy and alternative fuel complementation, be applied to described system, the method comprises:
On the tubular type heat absorption reaction device 5 that the energy-storage system 100 of solar energy and alternative fuel complementary interaction adopts slot light collection mirror 4 to be projected by Salar light-gathering to arrange along slot light collection mirror 4 focal line, the alternative fuel in tubular type heat absorption reaction device 5 is driven to decompose or be restructured as solar energy fuel;
Internal-combustion engine 11 in the solar energy fuel Direct driver solar energy fuel combustion machine power generating system 200 that the energy-storage system 100 of solar energy and alternative fuel complementary interaction produces generates electricity, burn release heat of high temperature by internal-combustion engine 11 cylinder combustion, the generator 12 in solar energy fuel combustion machine power generating system 200 is converted into electric energy and exports;
The fume afterheat of solar energy fuel in internal-combustion engine 11 after combustion power generation, flue gas heat-exchange unit 13 in the absorption lithium bromide absorption chiller system 300 of solar energy fuel fume afterheat produces steam, drives the steam type double-effect lithium bromide cooling machine set 14 in the absorption lithium bromide absorption chiller system 300 of solar energy fuel fume afterheat freeze and export.
(3) beneficial effect
As can be seen from technique scheme, the present invention has following beneficial effect:
1, the invention provides the distributed internal-combustion engine cool and thermal power system of solar energy and alternative fuel complementation, the solar energy of employing and alternative fuel complementation achieve solar energy to chemistry of fuel transformation of energy.Combustion engine powered employing be burning after alternative fuel secondary conversion, be not the direct burning of alternative fuel.Make light transformation of synthetic gas fuel storage, and be coupled with internal-combustion engine cogeneration cooling heating system, not only energy storage density is high, energy storage device volume is little, and reach that low cost, efficiently solar energy are hot and cold, the multi-functional object of CCHP simultaneously; But also can change according to cooling and heating load, by regulating solar energy fuel combustion exhaust gas volumn, both can solar thermal electric combined supply, also can combined cooling and power.The solar electrical energy generation of the high cost of non-individual of the present invention, cooling, heat supply, therefore efficiently solve that existing solar thermal utilization accumulation of energy is difficult, cost is high and inefficient problem.
2, the invention provides the distributed internal-combustion engine cool and thermal power system of solar energy and alternative fuel complementation, have that capacity is little, solar energy comprehensive utilization ratio is high and the feature such as good economy performance.For heat-collecting area 325m 2, the co-generation system that the cool and thermal power that groove type solar absorption reaction system and a rated power of collector power 140kW are the internal-combustion engine of 380kW combines.If setting 2500h working time in solar energy year, solar irradiance intensity 600W/m 2, methanol fuel 2000 yuan/ton.This, delivery can reach 90.3 ten thousand kWh in complementary system year, year semen donors reach 53.2 ten thousand kWh, year heating load reach 72.4 ten thousand kWh, year primary energy fractional energy savings reach 30.2%, the annual total energy approach efficiency of complementary system reaches 70-80%.The clean generating efficiency of solar energy reaches 25-28%, is far more than solar energy and generates electricity separately the level of 10-17%.If with cold valency 0.45 yuan/kWh, caloric value 0.3 yuan/kWh, electricity price 1.08 yuan/kWh calculates, capacity is the solar energy of 380kW and the distributed internal-combustion engine cogeneration cooling heating system of alternative fuel complementation, its unit device cost of investment about 5000 yuan/kW, turnover at about 8 years, far below existing solar energy thermal-power-generating technological investment cost.
3, the invention provides the distributed internal-combustion engine cool and thermal power system of solar energy and alternative fuel complementation, if produce Technical comparing with single solar energy power generating, solar-heating, dividing of cooling, the conservative solar energy heating efficiency 50% considering complementary system, solar-heating and refrigeration thermal efficiency 70%, photovoltaic efficiency 15%.When export identical cold, electric, hot, this complementary distribution formula energy supplying system can save solar energy heating area 24%, and that is, score is produced minimizing 24% by solar energy mirror field floor space and cost of investment.
4, the invention provides the distributed internal-combustion engine cool and thermal power system of solar energy and alternative fuel complementation, adopt solar energy and alternative fuel complementation, efficient, the high-quality utilization of low-temperature solar energy in being realized by internal-combustion engine cool and thermal power, is breached solar energy and to generate electricity separately, freeze and heat high, the inefficient technical bottleneck of cost.There is miniaturization, flexibly, disperse and good Economy, feature of environmental protection feature, the backland small-scale such as desert, frontier sentry can be widely used in and power, freeze and heat supply, there is important economy and social value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the distributed internal-combustion engine cool and thermal power system that the invention provides solar energy and alternative fuel complementation.
Fig. 2 is the flow chart of the distributed internal-combustion engine cool and thermal power method of solar energy provided by the invention and alternative fuel complementation.
Reference character:
The energy-storage system of 100 solar energy and alternative fuel complementary interaction:
1 head tank, 2 feedstock pumps, 3 preheating evaporators, 4 slot light collection mirrors, 5 tubular type heat absorption reaction devices, 6 condensers, 7 gas-liquid separators, 8 gas compressors, 9 gas holder, 10 recycle pumps;
200 solar energy fuel combustion machine power generating systems:
11 internal-combustion engines, 12 generators;
The absorption lithium bromide absorption chiller system of 300 solar energy fuel fume afterheat:
13 flue gas heat-exchange units, 14 steam type double-effect lithium bromide cooling machine set;
15 flue gas waste heat recovery reaction devices;
16 using waste heat from tail gas reclaim heat exchanger;
17 jacket water plate type heat exchangers.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Core concept of the present invention is: first by the thermochemistry complementation that integrated solar and alternative fuel transform, cancel traditional energy storage apparatus of solar thermal utilization; Integrated again with internal combustion engine power generating system, absorption system and heating and water heating system, can provide hot and cold, electric for user simultaneously, the comprehensive utilization of efficient, the low cost of low-temperature solar energy in realization.
The solar energy of 150 ~ 300 DEG C assembled, first by complementary tubular type heat absorption reaction device, is reformed or cracking by alternative fuel, is thus lifted to high-grade secondary hydrogen-rich fuel (H by the present invention 2, CO 2, CO) form of chemical energy.Solar energy fuel enters small-sized or medium-sized combustion in IC engine through compressor, gas holder, and pushing generator group generates electricity, thus achieves the High Efficiency Thermal generating of middle low-temperature solar energy.In summer, the high-temperature flue gas waste heat after solar energy fuel combustion, through exhaust heat boiler and lithium bromide exhaust-heat absorption formula refrigeration system, provides the refrigeration duty in summer, and the refrigeration completing solar energy fuel afterheat utilizes, and tail gas and jacket-cooling water provide hot water load.In winter, jacket water waste heat and tail gas part of waste heat are provided for warm domestic hot-water's load by heat exchanger.
As shown in Figure 1, the distributed internal-combustion engine cool and thermal power system of solar energy provided by the invention and alternative fuel complementation, comprise the energy-storage system 100 of solar energy and alternative fuel complementary interaction, the absorption lithium bromide absorption chiller system 300 of solar energy fuel combustion machine power generating system 200, solar energy fuel fume afterheat, flue gas waste heat recovery reaction device 15, using waste heat from tail gas reclaim heat exchanger 16 and jacket water plate type heat exchanger 17.
Its main Placement is: the energy-storage system 100 of solar energy and alternative fuel complementary interaction by pipeline respectively with solar energy fuel combustion machine power generating system 200, flue gas waste heat recovery reaction device 15 and jacket water plate type heat exchanger 17 connect, solar energy fuel combustion machine power generating system 200 by pipeline respectively with the energy-storage system 100 of solar energy and alternative fuel complementary interaction, the absorption lithium bromide absorption chiller system 300 of solar energy fuel fume afterheat, flue gas waste heat recovery reaction device 15 and jacket water plate type heat exchanger 17 connect, the absorption lithium bromide absorption chiller system 300 of solar energy fuel fume afterheat by pipeline respectively with solar energy fuel combustion machine power generating system 200, flue gas waste heat recovery reaction device 15 and using waste heat from tail gas reclaim heat exchanger 16 and connect.All connecting tubes are provided with valve and control.
The energy-storage system 100 of solar energy and alternative fuel complementary interaction comprises head tank 1, feedstock pump 2, preheating evaporator 3, slot light collection mirror 4, tubular type heat absorption reaction device 5, condenser 6, gas-liquid separator 7, gas compressor 8, gas holder 9 and recycle pump 10.On the tubular type heat absorption reaction device 5 that the energy-storage system 100 of solar energy and alternative fuel complementary interaction adopts slot light collection mirror 4 to be projected by Salar light-gathering to arrange along slot light collection mirror 4 focal line, the alternative fuel in tubular type heat absorption reaction device 5 is driven to decompose or be restructured as solar energy fuel.Alternative fuel is methyl alcohol and dimethyl ether etc.Through solar heat chemical reaction, transform and directly save as H 2, CO 2, the solar energy fuel such as CO.Solar energy is assembled through slot light collection mirror 4, projects the tubular type absorption reactor thermally 5 that the focal line along slot light collection mirror 4 is arranged; Alternative fuel in head tank 1 is after mixing, delivered in preheating evaporator 3 by feedstock pump 2 and carry out preheating, evaporation and overheated, the virgin gas formed enters tubular type heat absorption reaction device 5, absorbs 150 DEG C ~ 300 DEG C solar thermal energies, carry out decomposing or reforming reaction in tubular type heat absorption reaction device 5; From the product of tubular type heat absorption reaction device 5 outlet, comprise H 2, CO, CO 2and unreacted material, enter in condenser 6 and cool, the gas-liquid mixture of generation enters gas-liquid separator 7 and realizes gas-liquid separation, and the fuel that gas-liquid separator 7 generates enters solar energy fuel storing gas tank 9 through gas compressor 8.
Solar energy fuel combustion machine power generating system 200 comprises gas internal-combustion engine 11 and generator 12.In described solar energy fuel combustion machine power generating system 200, the solar energy fuel that the energy-storage system 100 of solar energy and alternative fuel complementary interaction produces with from outside air through air mixer and gas compressor laggard enter internal-combustion engine 11 burn, release heat of high temperature, the high-temperature flue gas produced generates electricity through generator set 12, realizes electric power and exports.Wherein, H is contained in high-temperature flue gas 2o, N 2, O 2, and a small amount of CO 2.Internal-combustion engine 11 combustion be solar energy fuel, the flue gas of discharge enters into flue gas waste heat recovery reaction device 15.
The absorption lithium bromide absorption chiller system 300 of solar energy fuel fume afterheat comprises flue gas heat-exchange unit 13 and steam type double-effect lithium bromide cooling machine set 14.In the absorption lithium bromide absorption chiller system 300 of described solar energy fuel fume afterheat, the flue gas that internal-combustion engine 11 is discharged is converted into steam by flue gas heat-exchange unit 13, drive steam type double-effect lithium bromide cooling machine set 14 to realize refrigeration season at cooling in summer, the refrigeration completing internal-combustion engine smoke discharging residual heat utilizes; Heating season produces heating hot water in the winter time, reclaims heat exchanger 16 heated feed water produce domestic hot-water through using waste heat from tail gas, and the heating completing internal-combustion engine smoke discharging residual heat utilizes.
Described jacket water plate type heat exchanger 17 utilizes the jacket water heated feed water of described internal-combustion engine 11 to produce domestic hot-water, and the domestic hot-water of generation is supplied to preheating evaporator 3 to meet the heat demand of preheating of fuel and evaporation simultaneously.
Flue gas waste heat recovery reaction device 15 walks abreast with the energy-storage system 100 of solar energy and alternative fuel complementary interaction.When solar energy irradiation is not enough or the cloudy day rains, start flue gas waste heat recovery reaction device 15, the flue gas of discharging through alternative fuel and the internal-combustion engine 11 of preheating evaporator 3 preheating all enters flue gas waste heat recovery reaction device 15, fume afterheat provides alternative fuel to be converted to the reaction heat of hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine 11, remaining fume afterheat enters flue gas heat-exchange unit 13 respectively and using waste heat from tail gas reclaims heat exchanger 16, steam is produced at flue gas heat-exchange unit 13, steam type double-effect lithium bromide cooling machine set 14 is driven to realize refrigeration season at cooling in summer, reclaim heated feed water in heat exchanger 16 at using waste heat from tail gas and produce domestic hot-water.In flue gas waste heat recovery reaction device 15, methyl alcohol can be converted to synthetic gas, to ensure the fuel supply in internal combustion engine working process.
In flue gas waste heat recovery reaction device 15, the flue gas that internal-combustion engine 11 is discharged and the alternative fuel when solar energy irradiation is not enough or the cloudy day rains through preheating evaporator 3 preheating all enter flue gas waste heat recovery reaction device 15, fume afterheat provides alternative fuel to be converted to the reaction heat of hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine 11, remaining fume afterheat enters flue gas heat-exchange unit 13 respectively and using waste heat from tail gas reclaims heat exchanger 16.
In flue gas waste heat recovery reaction device 15, fume afterheat provides methanol fuel to be converted to the reaction heat of hydrogen-rich fuel needs, alternative fuel is all changed, to ensure to enter the burning that the fuel combustion of internal-combustion engine 11 is hydrogen-rich fuels, but not the direct burning of alternative fuel.
In the steam that flue gas heat-exchange unit 13 produces and flue gas waste heat recovery reaction device 15, the flue gas sent here reclaims heat exchanger 16 heated feed water through using waste heat from tail gas and produces domestic hot-water.
The distributed internal-combustion engine cool and thermal power system of this solar energy provided by the invention and alternative fuel complementation, can under different load, different occasion, run in different ways by control system, there is the function of generating that in common realization, low-temperature solar energy is efficient, high-quality, refrigeration, heat supply.
Solar energy and alternative fuel complementary interaction have accumulation of energy effect, but do not need to arrange heat-stored device.When solar energy is sufficient, methanol fuel preheating, evaporation process provide heat by solar energy; Cloudy day and provided by the waste heat such as exhaust gases of internal combustion engines and jacket-cooling water winter.Driven by Solar Energy alternative fuel is the course of reaction by Matter Transfer, is not that material once passes through course of reaction.When solar energy irradiation is higher than design irradiation intensity, available fuel gas tank, stores the synthetic gas of unnecessary production.
According to cooling and heating load change, the distributed internal-combustion engine cool and thermal power system of this solar energy provided by the invention and alternative fuel complementation, by regulate flue gas heat-exchange unit 13 generation steam flow, both can cogeneration also can combined cooling and power.When not having cooling and heating load, can pass through control gear, decoupling zero is freezed and for thermal sub-system, the internal-combustion engine carrying out solar energy and alternative fuel complementation generates electricity separately.
In the energy-storage system 100 of solar energy and alternative fuel complementary interaction, tubular type heat absorption reaction device 5 adopts and once reacts two kinds of modes by reaction and Matter Transfer.On control strategy, meet Solar use share and maximize and under mass flow maximal condition, according to the change of solar energy irradiation, by start or stop feedstock circulation pump 10, can adopt and once react two kinds of patterns by reaction and Matter Transfer.When solar irradiance intensity is very large, alternative fuel complete reaction needs temperature being met, close recycle pump 10, adopting once by transforming the method for operation; From the product of tubular type heat absorption reaction device 5 outlet, comprise H 2, CO, CO 2and unreacted material, enter in condenser 6 and cool, the gas-liquid mixture of generation enters gas-liquid separator 7 and realizes gas-liquid separation, and the fuel that gas-liquid separator 7 generates enters solar energy fuel storing gas tank 9 through gas compressor 8.Conversion completely under solar irradiance intensity can not ensure material peak rate of flow, ON cycle pump 10, adopts the mode of Matter Transfer and material parts reaction; Unreacted material enters head tank 1 from gas-liquid separator 7, and after mixing with the alternative fuel in head tank 1, deliver in preheating evaporator 3 through feedstock pump 2 and carry out preheating, evaporation and overheated, the virgin gas of formation enters tubular type heat absorption reaction device 5, recycles.
The reaction product mainly H of tubular type heat absorption reaction device 5 outlet 2, CO, CO 2do not participate in the methanol fuel of reaction.Reaction product is separated with gas-liquid separator 7 through condenser 6 cooling, with H 2, CO, CO 2for the solar energy fuel of main component is compressed into into gas holder 9.Unreacted reaction product enters head tank 1, by feedstock pump 2, preheating evaporator 3 and tubular type heat absorption reaction device 5, recycles.
Solar energy is connected with internal-combustion engine 11 fuel inlet pipeline with gas holder 9 outlet conduit of the energy-storage system 100 of alternative fuel complementary interaction.Solar energy fuel is at internal-combustion engine 11 combustor inner cylinder, and release heat of high temperature, drives internal-combustion engine, be converted into high-quality utilization of power.What internal-combustion engine 11 burnt is solar energy fuel, is the burning of the secondary fuel that Driven by Solar Energy alternative fuel is reformed or pyrolysis brings component to change and calorific value increases.
Methanol fuel preheating, evaporation process can provide heat by solar energy, cloudy day and winter, can adopt and be provided by the waste heat of jacket water plate type heat exchanger 17 cooling water.
Based on the system shown in Fig. 1, Fig. 2 shows the flow chart of the distributed internal-combustion engine cool and thermal power method of solar energy provided by the invention and alternative fuel complementation, and the method comprises:
Step 1: on the tubular type heat absorption reaction device 5 that the energy-storage system 100 of solar energy and alternative fuel complementary interaction adopts slot light collection mirror 4 to be projected by Salar light-gathering to arrange along slot light collection mirror 4 focal line, drives the alternative fuel in tubular type heat absorption reaction device 5 decompose or be restructured as solar energy fuel;
Step 2: the internal-combustion engine 11 in the solar energy fuel Direct driver solar energy fuel combustion machine power generating system 200 that the energy-storage system 100 of solar energy and alternative fuel complementary interaction produces generates electricity, burn release heat of high temperature by internal-combustion engine 11 cylinder combustion, the generator 12 in solar energy fuel combustion machine power generating system 200 is converted into electric energy and exports;
Step 3: the fume afterheat of solar energy fuel in internal-combustion engine 11 after combustion power generation, flue gas heat-exchange unit 13 in the absorption lithium bromide absorption chiller system 300 of solar energy fuel fume afterheat produces steam, drives the steam type double-effect lithium bromide cooling machine set 14 in the absorption lithium bromide absorption chiller system 300 of solar energy fuel fume afterheat freeze and export.
In step 1, the energy-storage system 100 of described solar energy and alternative fuel complementary interaction comprises head tank 1, feedstock pump 2, preheating evaporator 3, slot light collection mirror 4, tubular type heat absorption reaction device 5, condenser 6, gas-liquid separator 7, gas compressor 8 and gas holder 9, wherein: solar energy is assembled through slot light collection mirror 4, the tubular type absorption reactor thermally 5 that the focal line along slot light collection mirror 4 is arranged is projected; Alternative fuel in head tank 1 is after mixing, delivered in preheating evaporator 3 by feedstock pump 2 and carry out preheating, evaporation and overheated, the virgin gas formed enters tubular type heat absorption reaction device 5, absorbs 150 DEG C ~ 300 DEG C solar thermal energies, carry out decomposing or reforming reaction in tubular type heat absorption reaction device 5; From the product of tubular type heat absorption reaction device 5 outlet, comprise H 2, CO, CO 2and unreacted material, enter in condenser 6 and cool, the gas-liquid mixture of generation enters gas-liquid separator 7 and realizes gas-liquid separation, and the fuel that gas-liquid separator 7 generates enters solar energy fuel storing gas tank 9 through gas compressor 8.
Further, the energy-storage system 100 of described solar energy and alternative fuel complementary interaction also comprises recycle pump 10, be connected between gas-liquid separator 7 and head tank 1, conversion completely under solar irradiance intensity can not ensure material peak rate of flow, ON cycle pump 10, adopts the mode of Matter Transfer and material parts reaction; Unreacted material enters head tank 1 from gas-liquid separator 7, and after mixing with the alternative fuel in head tank 1, deliver in preheating evaporator 3 through feedstock pump 2 and carry out preheating, evaporation and overheated, the virgin gas of formation enters tubular type heat absorption reaction device 5, recycles.When solar irradiance intensity is very large, alternative fuel complete reaction needs temperature being met, close recycle pump 10, adopting once by transforming the method for operation; From the product of tubular type heat absorption reaction device 5 outlet, comprise H 2, CO, CO 2and unreacted material, enter in condenser 6 and cool, the gas-liquid mixture of generation enters gas-liquid separator 7 and realizes gas-liquid separation, and the fuel that gas-liquid separator 7 generates enters solar energy fuel storing gas tank 9 through gas compressor 8.
In the method shown in Fig. 2, when solar energy irradiation is not enough or the cloudy day rains, start flue gas waste heat recovery reaction device 15, the flue gas of discharging through alternative fuel and the internal-combustion engine 11 of preheating evaporator 3 preheating all enters flue gas waste heat recovery reaction device 15, fume afterheat provides alternative fuel to be converted to the reaction heat of hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine 11, remaining fume afterheat enters flue gas heat-exchange unit 13 respectively and using waste heat from tail gas reclaims heat exchanger 16, steam is produced at flue gas heat-exchange unit 13, steam type double-effect lithium bromide cooling machine set 14 is driven to realize refrigeration season at cooling in summer, reclaim heated feed water in heat exchanger 16 at using waste heat from tail gas and produce domestic hot-water.In described flue gas waste heat recovery reaction device 15, the fume afterheat that internal-combustion engine 11 is discharged provides alternative fuel to be converted to the reaction heat of hydrogen-rich fuel needs, alternative fuel is all changed, to ensure to enter the burning that the fuel combustion of internal-combustion engine 11 is hydrogen-rich fuels, but not the direct burning of alternative fuel.
The flue gas that internal-combustion engine 11 is discharged and the alternative fuel when solar energy irradiation is not enough or the cloudy day rains through preheating evaporator 3 preheating all enter flue gas waste heat recovery reaction device 15, fume afterheat provides alternative fuel to be converted to the reaction heat of hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine 11, remaining fume afterheat enters flue gas heat-exchange unit 13 respectively and using waste heat from tail gas reclaims heat exchanger 16.The jacket water of internal-combustion engine 11 produces domestic hot-water by jacket water plate type heat exchanger 17 heated feed water, and the domestic hot-water of generation is supplied to preheating evaporator 3 simultaneously and uses.In the steam that flue gas heat-exchange unit 13 produces and flue gas waste heat recovery reaction device 15, the flue gas sent here reclaims heat exchanger 16 heated feed water through using waste heat from tail gas and produces domestic hot-water.
Illustrate with an object lesson below.Certain area, frontier sentry western, needs electric power, heating, domestic hot-water and refrigeration demand.In this area's solar energy available time period, annual mean irradiation intensity is about 400W/m 2.Average annual electric load (whole year) is 110kW, and average annual domestic hot-water's load is 70kW, and cooling load is 100kW (refrigeration season), and heat load is 80kW (heating season).
The solar energy proposed according to the present invention and the distributed internal-combustion engine cool and thermal power system of alternative fuel complementation, according to load condition, can adopt the capital equipment of scheme and parameter as shown in table 1.
Table 1 capital equipment and parameter
The present embodiment solar energy net electric generation 116kW, refrigeration 110kW, the oepration at full load time in year is 8760 hours, year delivery 1,000,000 kWh, and year consumes methyl alcohol 650 tons, and yearly cooling capacity is 320,000 kWh, year heating amount 240,000 kWh, the year heat supply water yield 520,000 kWh.System can be recouped the investment in 7 years.
According to point product system of methyl alcohol burning, namely buy net electricity, and use methyl alcohol boiler heating domestic hot water.According to net electrical efficiency be 30.4% (after considering the network loss of 8%), methyl alcohol water-heating boiler efficiency is 85%, then, when output identical with coproduction, a point product system needs to consume methyl alcohol 800 tons altogether.This shows, the distributed internal-combustion engine cool and thermal power energy saving of system rate of solar energy provided by the invention and alternative fuel complementation can reach 23%.
If cooling in summer season and heat supply in winter season with 20% fume afterheat decompose methyl alcohol, then delivery is 1,000,000 kWh year, and yearly cooling capacity is 260,000 kWh, year heating amount is 190,000 kWh, the year heat supply water yield is 500,000 kWh, and year consumes quantity of methyl alcohol 650 tons, and system can be recouped the investment in 8 years.
According to point product system of methyl alcohol burning, namely buy net electricity, and use methyl alcohol boiler heating domestic hot water.According to net electrical efficiency be 30.4% (after considering the network loss of 8%), methyl alcohol water-heating boiler efficiency is 85%, then, when output identical with coproduction, a point product system needs to consume methyl alcohol 789 tons altogether.This shows, the distributed internal-combustion engine cool and thermal power energy saving of system rate of solar energy provided by the invention and alternative fuel complementation can reach 20.2%.
Above-described specific embodiment; object of the present invention, technological scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (20)

1. the distributed internal-combustion engine cool and thermal power system of a solar energy and alternative fuel complementation, it is characterized in that, this system comprises the energy-storage system (100) of solar energy and alternative fuel complementary interaction, solar energy fuel combustion machine power generating system (200), the absorption lithium bromide absorption chiller system of solar energy fuel fume afterheat (300), flue gas waste heat recovery reaction device (15), using waste heat from tail gas reclaim heat exchanger (16) and jacket water plate type heat exchanger (17), wherein:
The energy-storage system (100) of solar energy and alternative fuel complementary interaction, adopt slot light collection mirror (4) to be projected by Salar light-gathering along on the tubular type heat absorption reaction device (5) of slot light collection mirror (4) focal line layout, drive the alternative fuel in tubular type heat absorption reaction device (5) decompose or be restructured as solar energy fuel;
Solar energy fuel combustion machine power generating system (200), comprise gas internal-combustion engine (11) and generator (12), solar energy fuel Direct driver internal-combustion engine (11) that the energy-storage system (100) of solar energy and alternative fuel complementary interaction produces generates electricity, burn release heat of high temperature by internal-combustion engine (11) cylinder combustion, be converted into electric energy through generator (12) and export;
The absorption lithium bromide absorption chiller system of solar energy fuel fume afterheat (300), comprise flue gas heat-exchange unit (13) and steam type double-effect lithium bromide cooling machine set (14), the fume afterheat of solar energy fuel in internal-combustion engine (11) after combustion power generation, produce steam through flue gas heat-exchange unit (13), drive steam type double-effect lithium bromide cooling machine set (14) freeze and export;
Flue gas waste heat recovery reaction device (15), the flue gas that internal-combustion engine (11) is discharged and the alternative fuel when solar energy irradiation is not enough or the cloudy day rains through preheating evaporator (3) preheating all enter flue gas waste heat recovery reaction device (15), fume afterheat provides alternative fuel to be converted to the reaction heat of hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine (11), remaining fume afterheat enters flue gas heat-exchange unit (13) respectively and using waste heat from tail gas reclaims heat exchanger (16);
Using waste heat from tail gas reclaims heat exchanger (16), and the flue gas sent here in the steam that flue gas heat-exchange unit (13) produces and flue gas waste heat recovery reaction device (15) reclaims heat exchanger (16) heated feed water through using waste heat from tail gas and produces domestic hot-water;
Jacket water plate type heat exchanger (17), the jacket water of internal-combustion engine (11) produces domestic hot-water by jacket water plate type heat exchanger (17) heated feed water, and the domestic hot-water produced by jacket water plate type heat exchanger (17) heated feed water is supplied to preheating evaporator (3) simultaneously and uses.
2. the distributed internal-combustion engine cool and thermal power system of solar energy according to claim 1 and alternative fuel complementation, it is characterized in that, the energy-storage system (100) of described solar energy and alternative fuel complementary interaction comprises head tank (1), feedstock pump (2), preheating evaporator (3), slot light collection mirror (4), tubular type heat absorption reaction device (5), condenser (6), gas-liquid separator (7), gas compressor (8) and gas holder (9), wherein:
Solar energy is assembled through slot light collection mirror (4), projects the tubular type absorption reactor thermally (5) that the focal line along slot light collection mirror (4) is arranged; Alternative fuel in head tank (1) is after mixing, delivered in preheating evaporator (3) by feedstock pump (2) and carry out preheating, evaporation and overheated, the virgin gas formed enters tubular type heat absorption reaction device (5), in tubular type heat absorption reaction device (5), absorb 150 DEG C ~ 300 DEG C solar thermal energies, carry out decomposing or reforming reaction; From the product that tubular type heat absorption reaction device (5) exports, comprise H 2, CO, CO 2and unreacted material, enter in condenser (6) and cool, the gas-liquid mixture produced enters gas-liquid separator (7) and realizes gas-liquid separation, and the fuel that gas-liquid separator (7) generates enters solar energy fuel storing gas tank (9) through gas compressor (8).
3. the distributed internal-combustion engine cool and thermal power system of solar energy according to claim 2 and alternative fuel complementation, it is characterized in that, the energy-storage system (100) of described solar energy and alternative fuel complementary interaction also comprises recycle pump (10), be connected between gas-liquid separator (7) and head tank (1), conversion completely under solar irradiance intensity can not ensure material peak rate of flow, ON cycle pump (10), adopts the mode of Matter Transfer and material parts reaction; Unreacted material enters head tank (1) from gas-liquid separator (7), after mixing with the alternative fuel in head tank (1), deliver in preheating evaporator (3) through feedstock pump (2) and carry out preheating, evaporation and overheated, the virgin gas formed enters tubular type heat absorption reaction device (5), recycles.
4. the distributed internal-combustion engine cool and thermal power system of solar energy according to claim 3 and alternative fuel complementation, it is characterized in that, when solar irradiance intensity is very large, alternative fuel complete reaction needs temperature can be met, closing recycle pump (10), adopting once by transforming the method for operation; From the product that tubular type heat absorption reaction device (5) exports, comprise H 2, CO, CO 2and unreacted material, enter in condenser (6) and cool, the gas-liquid mixture produced enters gas-liquid separator (7) and realizes gas-liquid separation, and the fuel that gas-liquid separator (7) generates enters solar energy fuel storing gas tank (9) through gas compressor (8).
5. the distributed internal-combustion engine cool and thermal power system of solar energy according to any one of claim 1 to 4 and alternative fuel complementation, it is characterized in that, described alternative fuel is methyl alcohol and dimethyl ether, through solar heat chemolysis or reforming reaction, transforms and directly saves as solar energy fuel H 2, CO 2and CO.
6. the distributed internal-combustion engine cool and thermal power system of solar energy according to claim 1 and alternative fuel complementation, it is characterized in that, in described solar energy fuel combustion machine power generating system (200), the solar energy fuel that the energy-storage system (100) of solar energy and alternative fuel complementary interaction produces with from outside air through air mixer and gas compressor laggard enter internal-combustion engine (11) burn, release heat of high temperature, the high-temperature flue gas produced, through generator set (12) generating, realizes electric power and exports.
7. the distributed internal-combustion engine cool and thermal power system of solar energy according to claim 6 and alternative fuel complementation, is characterized in that, containing H in described high-temperature flue gas 2o, N 2, O 2, and a small amount of CO 2.
8. the distributed internal-combustion engine cool and thermal power system of solar energy according to claim 6 and alternative fuel complementation, it is characterized in that, described internal-combustion engine (11) combustion be solar energy fuel, the flue gas of discharge enters into flue gas waste heat recovery reaction device (15).
9. the distributed internal-combustion engine cool and thermal power system of solar energy according to claim 1 and alternative fuel complementation, it is characterized in that, in the absorption lithium bromide absorption chiller system of described solar energy fuel fume afterheat (300), the flue gas that internal-combustion engine (11) is discharged is converted into steam by flue gas heat-exchange unit (13), drive steam type double-effect lithium bromide cooling machine set (14) to realize refrigeration season at cooling in summer, the refrigeration completing internal-combustion engine smoke discharging residual heat utilizes; Heating season produces heating hot water in the winter time, reclaims heat exchanger (16) heated feed water produce domestic hot-water through using waste heat from tail gas, and the heating completing internal-combustion engine smoke discharging residual heat utilizes.
10. the distributed internal-combustion engine cool and thermal power system of solar energy according to claim 1 and alternative fuel complementation, it is characterized in that, the energy-storage system (100) of described flue gas waste heat recovery reaction device and described solar energy and alternative fuel complementary interaction walks abreast, when solar energy irradiation is not enough or the cloudy day rains, start flue gas waste heat recovery reaction device (15), the flue gas of discharging through alternative fuel and the internal-combustion engine (11) of preheating evaporator (3) preheating all enters flue gas waste heat recovery reaction device (15), fume afterheat provides alternative fuel to be converted to the reaction heat of hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine (11), remaining fume afterheat enters flue gas heat-exchange unit (13) respectively and using waste heat from tail gas reclaims heat exchanger (16), steam is produced at flue gas heat-exchange unit (13), steam type double-effect lithium bromide cooling machine set (14) is driven to realize refrigeration season at cooling in summer, reclaim heated feed water in heat exchanger (16) at using waste heat from tail gas and produce domestic hot-water.
The distributed internal-combustion engine cool and thermal power system of 11. solar energy according to claim 10 and alternative fuel complementation, it is characterized in that, in described flue gas waste heat recovery reaction device (15), the fume afterheat that internal-combustion engine (11) is discharged provides alternative fuel to be converted to the reaction heat of hydrogen-rich fuel needs, alternative fuel is all changed, to ensure to enter the burning that the fuel combustion of internal-combustion engine (11) is hydrogen-rich fuel, but not the direct burning of alternative fuel.
The distributed internal-combustion engine cool and thermal power method of 12. 1 kinds of solar energy and alternative fuel complementation, be applied to system according to claim 1, it is characterized in that, the method comprises:
On the tubular type heat absorption reaction device (5) that the energy-storage system (100) of solar energy and alternative fuel complementary interaction adopts slot light collection mirror (4) to be projected by Salar light-gathering to arrange along slot light collection mirror (4) focal line, the alternative fuel in tubular type heat absorption reaction device (5) is driven to decompose or be restructured as solar energy fuel;
Internal-combustion engine (11) in solar energy fuel Direct driver solar energy fuel combustion machine power generating system (200) that the energy-storage system (100) of solar energy and alternative fuel complementary interaction produces generates electricity, burn release heat of high temperature by internal-combustion engine (11) cylinder combustion, the generator (12) in solar energy fuel combustion machine power generating system (200) is converted into electric energy and exports;
The fume afterheat of solar energy fuel in internal-combustion engine (11) after combustion power generation, flue gas heat-exchange unit (13) in the absorption lithium bromide absorption chiller system of solar energy fuel fume afterheat (300) produces steam, drives the steam type double-effect lithium bromide cooling machine set (14) in the solar energy absorption lithium bromide absorption chiller system of fuel fume afterheat (300) freeze and export.
The distributed internal-combustion engine cool and thermal power method of 13. solar energy according to claim 12 and alternative fuel complementation, it is characterized in that, the energy-storage system (100) of described solar energy and alternative fuel complementary interaction comprises head tank (1), feedstock pump (2), preheating evaporator (3), slot light collection mirror (4), tubular type heat absorption reaction device (5), condenser (6), gas-liquid separator (7), gas compressor (8) and gas holder (9), wherein:
Solar energy is assembled through slot light collection mirror (4), projects the tubular type absorption reactor thermally (5) that the focal line along slot light collection mirror (4) is arranged; Alternative fuel in head tank (1) is after mixing, delivered in preheating evaporator (3) by feedstock pump (2) and carry out preheating, evaporation and overheated, the virgin gas formed enters tubular type heat absorption reaction device (5), in tubular type heat absorption reaction device (5), absorb 150 DEG C ~ 300 DEG C solar thermal energies, carry out decomposing or reforming reaction; From the product that tubular type heat absorption reaction device (5) exports, comprise H 2, CO, CO 2and unreacted material, enter in condenser (6) and cool, the gas-liquid mixture produced enters gas-liquid separator (7) and realizes gas-liquid separation, and the fuel that gas-liquid separator (7) generates enters solar energy fuel storing gas tank (9) through gas compressor (8).
The distributed internal-combustion engine cool and thermal power method of 14. solar energy according to claim 13 and alternative fuel complementation, it is characterized in that, the energy-storage system (100) of described solar energy and alternative fuel complementary interaction also comprises recycle pump (10), be connected between gas-liquid separator (7) and head tank (1), conversion completely under solar irradiance intensity can not ensure material peak rate of flow, ON cycle pump (10), adopts the mode of Matter Transfer and material parts reaction; Unreacted material enters head tank (1) from gas-liquid separator (7), after mixing with the alternative fuel in head tank (1), deliver in preheating evaporator (3) through feedstock pump (2) and carry out preheating, evaporation and overheated, the virgin gas formed enters tubular type heat absorption reaction device (5), recycles.
The distributed internal-combustion engine cool and thermal power method of 15. solar energy according to claim 14 and alternative fuel complementation, it is characterized in that, when solar irradiance intensity is very large, alternative fuel complete reaction needs temperature can be met, closing recycle pump (10), adopting once by transforming the method for operation; From the product that tubular type heat absorption reaction device (5) exports, comprise H 2, CO, CO 2and unreacted material, enter in condenser (6) and cool, the gas-liquid mixture produced enters gas-liquid separator (7) and realizes gas-liquid separation, and the fuel that gas-liquid separator (7) generates enters solar energy fuel storing gas tank (9) through gas compressor (8).
The distributed internal-combustion engine cool and thermal power method of 16. solar energy according to claim 12 and alternative fuel complementation, it is characterized in that, when solar energy irradiation is not enough or the cloudy day rains, start flue gas waste heat recovery reaction device (15), the flue gas of discharging through alternative fuel and the internal-combustion engine (11) of preheating evaporator (3) preheating all enters flue gas waste heat recovery reaction device (15), fume afterheat provides alternative fuel to be converted to the reaction heat of hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine (11), remaining fume afterheat enters flue gas heat-exchange unit (13) respectively and using waste heat from tail gas reclaims heat exchanger (16), steam is produced at flue gas heat-exchange unit (13), steam type double-effect lithium bromide cooling machine set (14) is driven to realize refrigeration season at cooling in summer, reclaim heated feed water in heat exchanger (16) at using waste heat from tail gas and produce domestic hot-water.
The distributed internal-combustion engine cool and thermal power method of 17. solar energy according to claim 16 and alternative fuel complementation, it is characterized in that, in described flue gas waste heat recovery reaction device (15), the fume afterheat that internal-combustion engine (11) is discharged provides alternative fuel to be converted to the reaction heat of hydrogen-rich fuel needs, alternative fuel is all changed, to ensure to enter the burning that the fuel combustion of internal-combustion engine (11) is hydrogen-rich fuel, but not the direct burning of alternative fuel.
The distributed internal-combustion engine cool and thermal power method of 18. solar energy according to claim 12 and alternative fuel complementation, it is characterized in that, the method also comprises:
The flue gas that internal-combustion engine (11) is discharged and the alternative fuel when solar energy irradiation is not enough or the cloudy day rains through preheating evaporator (3) preheating all enter flue gas waste heat recovery reaction device (15), fume afterheat provides alternative fuel to be converted to the reaction heat of hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine (11), remaining fume afterheat enters flue gas heat-exchange unit (13) respectively and using waste heat from tail gas reclaims heat exchanger (16).
The distributed internal-combustion engine cool and thermal power method of 19. solar energy according to claim 18 and alternative fuel complementation, it is characterized in that, the method also comprises:
The jacket water of internal-combustion engine (11) produces domestic hot-water by jacket water plate type heat exchanger (17) heated feed water, and the domestic hot-water of generation is supplied to preheating evaporator (3) simultaneously and uses.
The distributed internal-combustion engine cool and thermal power method of 20. solar energy according to claim 18 and alternative fuel complementation, it is characterized in that, the method also comprises:
The flue gas sent here in the steam that flue gas heat-exchange unit (13) produces and flue gas waste heat recovery reaction device (15) reclaims heat exchanger (16) heated feed water through using waste heat from tail gas and produces domestic hot-water.
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