CN103807009A - Solar energy and alternative fuel complementary distributed internal combustion engine cooling heating and power system and method - Google Patents

Solar energy and alternative fuel complementary distributed internal combustion engine cooling heating and power system and method Download PDF

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CN103807009A
CN103807009A CN201210455075.XA CN201210455075A CN103807009A CN 103807009 A CN103807009 A CN 103807009A CN 201210455075 A CN201210455075 A CN 201210455075A CN 103807009 A CN103807009 A CN 103807009A
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fuel
solar energy
combustion engine
alternative
gas
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CN103807009B (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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    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • 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
    • Y02E10/44Heat exchange systems
    • 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
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/14Combined heat and power generation [CHP]
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

Abstract

The invention discloses a solar energy and alternative fuel complementary distributed internal combustion engine cooling heating and power system and method. The system comprises a solar energy and alternative fuel complementary reaction energy-accumulating system, a solar fuel internal combustion engine power generation system, a solar fuel flue gas residual heat absorptive lithium bromide refrigerating system, a flue gas residual heat recovery reaction device, a tail gas residual heat recovery heat exchanger and a cylinder jacket water plate heat exchanger. By adopting solar energy and alternative fuel in a complementary manner, conversion from solar energy to chemical energy of fuel is realized; light-converted synthetic gas fuel is stored and coupled with an internal combustion engine combined cooling heating and power system, so that high energy density is achieved, and the volume of an energy-storing device is reduced. Meanwhile, the aim of realizing multiple functions of combined solar cooling, heating and power at low cost and high efficiency is fulfilled, and separate solar cooling, heating and power at a high cost are avoided, so that the problems of difficulty in accumulating energy, high cost and low efficiency in the conventional solar heat utilization are solved effectively.

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, specifically the distributed internal-combustion engine cool and thermal power system and method for a kind of solar energy and alternative fuel complementation.
Background technique
Utilizing solar thermal energy generating, refrigeration and heat supply, is to realize the non-fossil energy of China's the year two thousand twenty to account for primary energy consumption proportion and reach one of major measure of 15% left and right target.But because solar energy density is low, discontinuous and accumulation of energy is difficult, cause solar energy utilization ratio low, exploitation degree is severely limited.Particularly for solar energy thermal-power-generating; no matter adopt slot type or tower solar energy thermal-power-generating technology; the unsettled large density of heat flow rate adsorber of high temperature and the technical bottleneck such as the low cost causing of generating working medium temperature is high, efficiency is low are the main contributors that solar energy thermal-power-generating cannot scale application.In addition, in the time utilizing separately solar thermal energy to heat or freeze, because solar energy is unstable, discontinuity and heating, the relatively stable contradiction that exists of refrigeration demand.
Solar thermal utilization and other resource complementations, particularly solar energy and fossil energy complementation are to solve at present that solar energy utilization ratio is low, a main path of discontinuous problem.In the world solar thermal energy and fossil energy complementation be mostly not reach at solar energy temperature required or during without solar energy, by the fossil fuel supply energy that directly burns.This simple solar energy heating and the fossil fuel directly complementary technology of burning are widely used in solar-heating, refrigeration and solar heat power generation system.But it does not focus on energy grade counterpart and the coupling of the complementary process of different resource, is only a kind of simple superposition utilization of different resource.
It is the current distributed energy resource system with better application prospect take internal-combustion engine as the cogeneration cooling heating system of power core.Gas turbine relatively, internal-combustion engine not only installation cost is low, and under underrun operating mode, has relatively good part throttle characteristics.But there is severe pollutant emission problem in the cool and thermal power system that current gasoline or diesel engine are power core mostly.In addition, in the winter time, the smoke discharging residual heat of excessive temperature (400-600 ℃) direct heating, has caused the waste of a large amount of waste heats.Therefore, how to realize efficient stable operation under variable working condition, guarantee that the stable and clean generated output of solar energy of the generated output of complementary system under variable working condition approaches design load, realize fully effectively utilizing of solar energy resources simultaneously, become the important technological problems of the urgent need solution of solar energy and thermal power station's complementary technology.
Summary of the invention
(1) technical problem that will solve
In view of this, main purpose of the present invention is to provide the distributed internal-combustion engine cool and thermal power system and method for a kind of solar energy and alternative fuel complementation, to solve the high and inefficient problem of existing solar thermal utilization accumulation of energy difficulty, cost.
(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 that energy-storage system 100, 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, the using waste heat from tail gas of solar energy and alternative fuel complementary interaction 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 that Salar light-gathering is projected on the tubular type heat absorption reaction device 5 of arranging along slot light collection mirror 4 focal lines, drive the alternative fuel decomposition in tubular type heat absorption reaction device 5 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 that the energy-storage system 100 of solar energy and alternative fuel complementary interaction produces directly drives internal-combustion engine 11 to generate electricity, and is burnt and is discharged heat of high temperature by internal-combustion engine 11 cylinder combustion, is converted into electric energy output through generator 12;
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, solar energy fuel is the fume afterheat after combustion power generation in internal-combustion engine 11, 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 all enter flue gas waste heat recovery reaction device 15 through the alternative fuel of preheating evaporator 3 preheatings when not enough or cloudy day rains at solar energy irradiation, fume afterheat provides alternative fuel to be converted to the reaction heat that hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine 11, remaining fume afterheat enters respectively flue gas heat-exchange unit 13 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 of sending 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 waters 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 waters, and the domestic hot-water of generation offers preheating evaporator 3 simultaneously and uses.
For achieving the above object, the present invention also provides a kind of distributed internal-combustion engine cool and thermal power method of solar energy and alternative fuel complementation, is applied to described system, and the method comprises:
The energy-storage system 100 of solar energy and alternative fuel complementary interaction adopts slot light collection mirror 4 that Salar light-gathering is projected on the tubular type heat absorption reaction device 5 of arranging along slot light collection mirror 4 focal lines, drives the alternative fuel decomposition in tubular type heat absorption reaction device 5 or is restructured as solar energy fuel;
The solar energy fuel that the energy-storage system 100 of solar energy and alternative fuel complementary interaction produces directly drives the internal-combustion engine 11 in solar energy fuel combustion machine power generating system 200 to generate electricity, burnt and discharged 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 output;
Solar energy fuel is the fume afterheat after combustion power generation in internal-combustion engine 11, 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
Can find out from technique scheme, the present invention has following beneficial effect:
1, the distributed internal-combustion engine cool and thermal power system that the invention provides solar energy and alternative fuel complementation, the solar energy of employing and alternative fuel complementation have realized solar energy to chemistry of fuel transformation of energy.Combustion engine powered employing be the burning after alternative fuel secondary conversion, be not the direct burning of alternative fuel.Make light transformation of synthetic gas fuel storage, and with internal-combustion engine cogeneration cooling heating system coupling, not only energy storage density is high, energy storage device volume is little, and reaches low cost, the multi-functional object of hot and cold, the CCHP of solar energy efficiently 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 present invention non-independent expensive solar electrical energy generation, cooling, heat supply, therefore solved the high and inefficient problem of existing solar thermal utilization accumulation of energy difficulty, cost effectively.
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 of the internal-combustion engine that the groove type solar absorption reaction system of collector power 140kW is 380kW with a rated power combines.If set 2500h working time in solar energy year, solar irradiance intensity 600W/m 2, 2000 yuan/ton of methanol fuels.This, delivery can reach 90.3 ten thousand kWh in complementary system year, year reached 53.2 ten thousand kWh for cold, and a year heating load reaches 72.4 ten thousand kWh, and a year primary energy fractional energy savings reaches 30.2%, and 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 generate electricity the separately level of 10-17% of solar energy.If with 0.45 yuan/kWh of cold valency, 0.3 yuan/kWh of caloric value, 1.08 yuan/kWh of electricity price calculates, capacity is the solar energy of 380kW and the distributed internal-combustion engine cogeneration cooling heating system of alternative fuel complementation, approximately 5000 yuan/kW of its unit device cost of investment, turnover is 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 point product technology comparison with single solar energy power generating, solar-heating, cooling, the conservative solar energy heating efficiency 50% of considering complementary system, solar-heating and refrigeration thermal efficiency 70%, photovoltaic efficiency 15%.In the case of output identical cold, electric, hot, this complementary distribution formula energy supplying system can be saved solar energy heating area 24%, that is to say, minimizing 24% is produced in score 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 realizing by internal-combustion engine cool and thermal power, has broken through solar energy and has generated electricity separately, freezes and high, the inefficient technical bottleneck of the cost that heats.Have miniaturization, flexibly, disperse and Economy, feature of environmental protection feature preferably, can be widely used in the backland small-scale power supply such as desert, frontier sentry, refrigeration and heat supply, there is important economy and social value.
Accompanying drawing explanation
Fig. 1 is the structural representation that the invention provides the distributed internal-combustion engine cool and thermal power system of 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 clearer, 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: the thermochemistry complementation first transforming by integrated solar and alternative fuel, traditional energy storage apparatus of cancellation solar thermal utilization; Integrated with internal combustion engine power generating system, absorption system and heating and water heating system again can provide hot and cold, electric for user simultaneously, in realization low-temperature solar energy efficiently, comprehensive utilization cheaply.
The present invention, first by complementary tubular type heat absorption reaction device, reforms by alternative fuel the solar energy of 150~300 ℃ of assembling or cracking, is thus lifted to high-grade secondary hydrogen-rich fuel (H 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 is generated electricity, thereby has realized 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, completes the refrigeration utilization of solar energy fuel afterheat, and tail gas and jacket-cooling water provide hot water load.In winter, jacket water waste heat and tail gas part of waste heat provide 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, 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.
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.The energy-storage system 100 of solar energy and alternative fuel complementary interaction adopts slot light collection mirror 4 that Salar light-gathering is projected on the tubular type heat absorption reaction device 5 of arranging along slot light collection mirror 4 focal lines, drives the alternative fuel decomposition in tubular type heat absorption reaction device 5 or is 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 of arranging along the focal line of slot light collection mirror 4; Alternative fuel in head tank 1 is after mixing, deliver to and in preheating evaporator 3, carry out preheating, evaporation and overheated by feedstock pump 2, the virgin gas forming enters tubular type heat absorption reaction device 5, at 150 ℃~300 ℃ solar thermal energies of the interior absorption of tubular type heat absorption reaction device 5, decomposes or reforming reaction; The product exporting from tubular type heat absorption reaction device 5, comprises H 2, CO, CO 2and unreacted material, entering 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, discharge heat of high temperature, the high-temperature flue gas producing generates electricity through generator set 12, realizes electric power output.Wherein, in high-temperature flue gas, contain H 2o, N 2, O 2, and a small amount of CO 2.Internal-combustion engine 11 interior burnings 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 flue gas heat-exchange unit 13 is discharged internal-combustion engine 11 is converted into steam, freeze and drive season steam type double-effect lithium bromide cooling machine set 14 to realize refrigeration in summer, complete the refrigeration utilization of internal-combustion engine smoke discharging residual heat; Heating season produces heating hot water in the winter time, reclaims heat exchanger 16 heated feed waters produce domestic hot-water through using waste heat from tail gas, completes the heating utilization of internal-combustion engine smoke discharging residual heat.
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 offers preheating evaporator 3 simultaneously and meet the heat demand of preheating of fuel and evaporation.
Flue gas waste heat recovery reaction device 15 is parallel with the energy-storage system 100 of solar energy and alternative fuel complementary interaction.In the time of solar energy irradiation deficiency or cloudy raining, 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 preheatings all enters flue gas waste heat recovery reaction device 15, fume afterheat provides alternative fuel to be converted to the reaction heat that hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine 11, remaining fume afterheat enters respectively flue gas heat-exchange unit 13 and using waste heat from tail gas reclaims heat exchanger 16, produce steam at flue gas heat-exchange unit 13, freeze and drive season steam type double-effect lithium bromide cooling machine set 14 to realize refrigeration 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 guarantee 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 all enter flue gas waste heat recovery reaction device 15 through the alternative fuel of preheating evaporator 3 preheatings when not enough or cloudy day rains at solar energy irradiation, fume afterheat provides alternative fuel to be converted to the reaction heat that hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine 11, remaining fume afterheat enters respectively flue gas heat-exchange unit 13 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 that hydrogen-rich fuel needs, alternative fuel is all changed, and is the burning of hydrogen-rich fuel with the fuel combustion that guarantees to enter internal-combustion engine 11, but not the direct burning of alternative fuel.
The flue gas of sending 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 waters 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 be under different load, different occasion, move in different ways by control system, there is the function of efficient, the high-quality generating of low-temperature solar energy in common realization, refrigeration, heat supply.
Solar energy and alternative fuel complementary interaction have accumulation of energy effect, but do not need to arrange heat-stored device.In the time that 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.At solar energy irradiation, higher than design when irradiation intensity, available fuel gas tank, stores the synthetic gas of unnecessary production.
Change according to cooling and heating load, the distributed internal-combustion engine cool and thermal power system of this solar energy provided by the invention and alternative fuel complementation, by the steam flow that produces of adjusting flue gas heat-exchange unit 13, both can cogeneration also can combined cooling and power.While thering is no cooling and heating load, can pass through control gear, decoupling zero is freezed and for thermal sub-system, the internal-combustion engine that carries 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 once by reaction and two kinds of modes of Matter Transfer reaction.On control strategy, meet solar energy and utilize under share maximization and mass flow maximal condition, change according to solar energy irradiation, by start or stop raw material recycle pump 10, can adopt once by reaction and two kinds of patterns of Matter Transfer reaction.When solar irradiance intensity is very large, can meet alternative fuel complete reaction needs temperature, close recycle pump 10, adopt once by transforming the method for operation; The product exporting from tubular type heat absorption reaction device 5, comprises H 2, CO, CO 2and unreacted material, entering 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.When solar irradiance intensity can not guarantee the conversion completely under material peak rate of flow, ON cycle pump 10, the mode of employing Matter Transfer and material partial reaction; Unreacted material enters head tank 1 from gas-liquid separator 7, after mixing, delivers in preheating evaporator 3 and carries out preheating, evaporation and overheated through feedstock pump 2 with the alternative fuel in head tank 1, and the virgin gas of formation enters tubular type heat absorption reaction device 5, recycles.
The reaction product that tubular type heat absorption reaction device 5 exports is mainly H 2, CO, CO 2do not participate in the methanol fuel of reaction.Reaction product separates with gas-liquid separator 7 through condenser 6 is cooling, with H 2, CO, CO 2for the compressed gas holder 9 that enters of solar energy fuel of main component.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 pipelines with gas holder 9 outlet conduits of the energy-storage system 100 of alternative fuel complementary interaction.Solar energy fuel, at internal-combustion engine 11 combustor inner cylinders, discharges heat of high temperature, drives internal-combustion engine, is converted into high-quality utilization of power.What internal-combustion engine 11 burnt is solar energy fuel, is that Driven by Solar Energy alternative fuel is reformed or pyrolysis brings component to change and the burning of the secondary fuel that calorific value increases.
Methanol fuel preheating, evaporation process can provide heat by solar energy, cloudy day and winter, can adopt by the waste heat of jacket water plate type heat exchanger 17 cooling waters and provide.
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: the energy-storage system 100 of solar energy and alternative fuel complementary interaction adopts slot light collection mirror 4 that Salar light-gathering is projected on the tubular type heat absorption reaction device 5 of arranging along slot light collection mirror 4 focal lines, drives the alternative fuel decomposition in tubular type heat absorption reaction device 5 or is restructured as solar energy fuel;
Step 2: the solar energy fuel that the energy-storage system 100 of solar energy and alternative fuel complementary interaction produces directly drives the internal-combustion engine 11 in solar energy fuel combustion machine power generating system 200 to generate electricity, burnt and discharged 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 output;
Step 3: solar energy fuel is the fume afterheat after combustion power generation in internal-combustion engine 11, 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, project the tubular type absorption reactor thermally 5 of arranging along the focal line of slot light collection mirror 4; Alternative fuel in head tank 1 is after mixing, deliver to and in preheating evaporator 3, carry out preheating, evaporation and overheated by feedstock pump 2, the virgin gas forming enters tubular type heat absorption reaction device 5, at 150 ℃~300 ℃ solar thermal energies of the interior absorption of tubular type heat absorption reaction device 5, decomposes or reforming reaction; The product exporting from tubular type heat absorption reaction device 5, comprises H 2, CO, CO 2and unreacted material, entering 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, when solar irradiance intensity can not guarantee the conversion completely under material peak rate of flow, ON cycle pump 10, the mode of employing Matter Transfer and material partial reaction; Unreacted material enters head tank 1 from gas-liquid separator 7, after mixing, delivers in preheating evaporator 3 and carries out preheating, evaporation and overheated through feedstock pump 2 with the alternative fuel in head tank 1, and the virgin gas of formation enters tubular type heat absorption reaction device 5, recycles.When solar irradiance intensity is very large, can meet alternative fuel complete reaction needs temperature, close recycle pump 10, adopt once by transforming the method for operation; The product exporting from tubular type heat absorption reaction device 5, comprises H 2, CO, CO 2and unreacted material, entering 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, in the time of solar energy irradiation deficiency or cloudy raining, 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 preheatings all enters flue gas waste heat recovery reaction device 15, fume afterheat provides alternative fuel to be converted to the reaction heat that hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine 11, remaining fume afterheat enters respectively flue gas heat-exchange unit 13 and using waste heat from tail gas reclaims heat exchanger 16, produce steam at flue gas heat-exchange unit 13, freeze and drive season steam type double-effect lithium bromide cooling machine set 14 to realize refrigeration 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 that hydrogen-rich fuel needs, alternative fuel is all changed, the fuel combustion that enters internal-combustion engine 11 with assurance is the burning of hydrogen-rich fuel, but not the direct burning of alternative fuel.
The flue gas that internal-combustion engine 11 is discharged and all enter flue gas waste heat recovery reaction device 15 through the alternative fuel of preheating evaporator 3 preheatings when not enough or cloudy day rains at solar energy irradiation, fume afterheat provides alternative fuel to be converted to the reaction heat that hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine 11, remaining fume afterheat enters respectively flue gas heat-exchange unit 13 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 waters, and the domestic hot-water of generation offers preheating evaporator 3 simultaneously and uses.The flue gas of sending 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 waters through using waste heat from tail gas and produces domestic hot-water.
Illustrate with an object lesson below., need to there be electric power, heating, domestic hot-water and refrigeration demand in western certain area, frontier sentry.In the available time period of this area's solar energy, 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).
If adopt the solar energy of the present invention's proposition 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, year oepration at full load time is 8760 hours, year delivery 1,000,000 kWh, 650 tons of year consumption methyl alcohol, a year refrigerating capacity is 320,000 kWh, year heating amount 240,000 kWh, year heat supply water yield 520,000 kWh.System can be recouped the investment in 7 years.
If adopt point product system of methyl alcohol burning, buy net electricity, and use methyl alcohol boiler heating domestic hot-water.Be 30.4% (after the network loss of consideration 8%) according to net electrical efficiency, methyl alcohol water-heating boiler efficiency is 85%, and, with the identical output of coproduction in the situation that, a point product system need to consume 800 tons of methyl alcohol 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 freeze summer, season and heat supply in winter decompose methyl alcohol with 20% fume afterheat season, and a year delivery is 1,000,000 kWh, and a year refrigerating capacity is 260,000 kWh, year heating amount is 190,000 kWh, the year heat supply water yield is 500,000 kWh, 650 tons of year consumption quantity of methyl alcohol, and system can be recouped the investment in 8 years.
If adopt point product system of methyl alcohol burning, buy net electricity, and use methyl alcohol boiler heating domestic hot-water.Be 30.4% (after the network loss of consideration 8%) according to net electrical efficiency, methyl alcohol water-heating boiler efficiency is 85%, and, with the identical output of coproduction in the situation that, a point product system need to consume 789 tons of methyl alcohol 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; institute is 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 modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (21)

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 that energy-storage system (100), 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), the using waste heat from tail gas of solar energy and alternative fuel complementary interaction 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) that Salar light-gathering is projected to the tubular type heat absorption reaction device (5) of arranging along slot light collection mirror (4) focal line upper, drive the alternative fuel decomposition in tubular type heat absorption reaction device (5) 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), the solar energy fuel that the energy-storage system (100) of solar energy and alternative fuel complementary interaction produces directly drives internal-combustion engine (11) generating, burn and discharge heat of high temperature by internal-combustion engine (11) cylinder combustion, be converted into electric energy output through generator (12);
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), solar energy fuel is the fume afterheat after combustion power generation in internal-combustion engine (11), 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 all enter flue gas waste heat recovery reaction device (15) through the alternative fuel of preheating evaporator (3) preheating when not enough or cloudy day rains at solar energy irradiation, fume afterheat provides alternative fuel to be converted to the reaction heat that hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine (11), remaining fume afterheat enters respectively flue gas heat-exchange unit (13) 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 of sending 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 of generation offers 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) of arranging along the focal line of slot light collection mirror (4); Alternative fuel in head tank (1) is after mixing, deliver to and in preheating evaporator (3), carry out preheating, evaporation and overheated by feedstock pump (2), the virgin gas forming enters tubular type heat absorption reaction device (5), in tubular type heat absorption reaction device (5), absorb 150 ℃~300 ℃ solar thermal energies, decompose or reforming reaction; 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 producing 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), when solar irradiance intensity can not guarantee the conversion completely under material peak rate of flow, ON cycle pump (10), the mode of employing Matter Transfer and material partial reaction; Unreacted material enters head tank (1) from gas-liquid separator (7), after mixing with the alternative fuel in head tank (1), deliver to and in preheating evaporator (3), carry out preheating, evaporation and overheated through feedstock pump (2), the virgin gas forming 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, can meet alternative fuel complete reaction needs temperature, close recycle pump (10), adopt 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 producing 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. according to the distributed internal-combustion engine cool and thermal power system of the solar energy described in any one in 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 save 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) burning, discharge heat of high temperature, the high-temperature flue gas producing, through generator set (12) generating, is realized electric power output.
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, in described high-temperature flue gas, contains H 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, in described internal-combustion engine (11), burning is solar energy fuel, and 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 flue gas heat-exchange unit (13) is discharged internal-combustion engine (11) is converted into steam, freeze and drive season steam type double-effect lithium bromide cooling machine set (14) to realize refrigeration in summer, complete the refrigeration utilization of internal-combustion engine smoke discharging residual heat; 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, completes the heating utilization of internal-combustion engine smoke discharging residual heat.
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, 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 offers preheating evaporator (3) simultaneously and meet the heat demand of preheating of fuel and evaporation.
The distributed internal-combustion engine cool and thermal power system of 11. 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 is parallel, in the time of solar energy irradiation deficiency or cloudy raining, 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 that hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine (11), remaining fume afterheat enters respectively flue gas heat-exchange unit (13) and using waste heat from tail gas reclaims heat exchanger (16), produce steam at flue gas heat-exchange unit (13), freeze and drive season steam type double-effect lithium bromide cooling machine set (14) to realize refrigeration 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 12. solar energy according to claim 11 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 that hydrogen-rich fuel needs, alternative fuel is all changed, the fuel combustion that enters internal-combustion engine (11) with assurance is the burning of hydrogen-rich fuel, but not the direct burning of alternative fuel.
The distributed internal-combustion engine cool and thermal power method of 13. 1 kinds of solar energy and alternative fuel complementation, is applied to system claimed in claim 1, it is characterized in that, the method comprises:
It is upper that the energy-storage system (100) of solar energy and alternative fuel complementary interaction adopts slot light collection mirror (4) that Salar light-gathering is projected to the tubular type heat absorption reaction device (5) of arranging along slot light collection mirror (4) focal line, drives the alternative fuel decomposition in tubular type heat absorption reaction device (5) or be restructured as solar energy fuel;
The solar energy fuel that the energy-storage system (100) of solar energy and alternative fuel complementary interaction produces directly drives internal-combustion engine (11) generating in solar energy fuel combustion machine power generating system (200), burnt and discharged 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 output;
Solar energy fuel is the fume afterheat after combustion power generation in internal-combustion engine (11), and the flue gas heat-exchange unit (13) in the absorption lithium bromide absorption chiller system of solar energy fuel fume afterheat (300) produces steam,
Drive 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 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 comprise 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) of arranging along the focal line of slot light collection mirror (4); Alternative fuel in head tank (1) is after mixing, deliver to and in preheating evaporator (3), carry out preheating, evaporation and overheated by feedstock pump (2), the virgin gas forming enters tubular type heat absorption reaction device (5), in tubular type heat absorption reaction device (5), absorb 150 ℃~300 ℃ solar thermal energies, decompose or reforming reaction; 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 producing 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 15. solar energy according to claim 14 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), when solar irradiance intensity can not guarantee the conversion completely under material peak rate of flow, ON cycle pump (10), the mode of employing Matter Transfer and material partial reaction; Unreacted material enters head tank (1) from gas-liquid separator (7), after mixing with the alternative fuel in head tank (1), deliver to and in preheating evaporator (3), carry out preheating, evaporation and overheated through feedstock pump (2), the virgin gas forming enters tubular type heat absorption reaction device (5), recycles.
The distributed internal-combustion engine cool and thermal power method of 16. solar energy according to claim 15 and alternative fuel complementation, it is characterized in that, when solar irradiance intensity is very large, can meet alternative fuel complete reaction needs temperature, close recycle pump (10), adopt 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 producing 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 17. solar energy according to claim 13 and alternative fuel complementation, it is characterized in that, in the time of solar energy irradiation deficiency or cloudy raining, 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 that hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine (11), remaining fume afterheat enters respectively flue gas heat-exchange unit (13) and using waste heat from tail gas reclaims heat exchanger (16), produce steam at flue gas heat-exchange unit (13), freeze and drive season steam type double-effect lithium bromide cooling machine set (14) to realize refrigeration 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 18. solar energy according to claim 17 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 that hydrogen-rich fuel needs, alternative fuel is all changed, the fuel combustion that enters internal-combustion engine (11) with assurance is the burning of hydrogen-rich fuel, but not the direct burning of alternative fuel.
The distributed internal-combustion engine cool and thermal power method of 19. solar energy according to claim 13 and alternative fuel complementation, is characterized in that, the method also comprises:
The flue gas that internal-combustion engine (11) is discharged and all enter flue gas waste heat recovery reaction device (15) through the alternative fuel of preheating evaporator (3) preheating when not enough or cloudy day rains at solar energy irradiation, fume afterheat provides alternative fuel to be converted to the reaction heat that hydrogen-rich fuel needs, make alternative fuel all be converted to hydrogen-rich fuel and enter internal-combustion engine (11), remaining fume afterheat enters respectively flue gas heat-exchange unit (13) and using waste heat from tail gas reclaims heat exchanger (16).
The distributed internal-combustion engine cool and thermal power method of 20. solar energy according to claim 19 and alternative fuel complementation, 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 offers preheating evaporator (3) simultaneously and uses.
The distributed internal-combustion engine cool and thermal power method of 21. solar energy according to claim 19 and alternative fuel complementation, is characterized in that, the method also comprises:
The flue gas of sending 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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