CN105317554B - Compressed-air energy storage electricity-generating method - Google Patents
Compressed-air energy storage electricity-generating method Download PDFInfo
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- CN105317554B CN105317554B CN201510002235.9A CN201510002235A CN105317554B CN 105317554 B CN105317554 B CN 105317554B CN 201510002235 A CN201510002235 A CN 201510002235A CN 105317554 B CN105317554 B CN 105317554B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The present invention relates to a kind of compressed-air energy storage electricity-generating method, it includes：Pressure-air and fuel are subjected to combustion heating generation HTHP mixed gas, power generation operation is carried out using HTHP mixed gas；Pressure-air carries out comprising the following steps that for combustion heating, sprays into the combustion chamber of air heater after step S1, first via pressure-air mixes with fuel from nozzle of air supply, carries out combustion heating；Step S2, side wall of the second road pressure-air along air heater combustion chamber is sprayed into combustion chamber everywhere, burning interior flame is spurted into mixing chamber along combustion chamber axis direction；Step S3, the gas that the 3rd road pressure-air sprays into after being heated with auto-thermal room mixes in mixing chamber, and generation pressure value is 2.0Mpa, the mixed gas that temperature is 500~650 DEG C, so that generating equipment carries out power generation operation.
Description
Technical field
The present invention relates to power domain, more particularly to a kind of compressed air energy storage power generating system, and it is empty to further relate to a kind of compression
The method that gas energy storage generates electricity.
Background technology
As the extensive regenerative resource such as wind-powered electricity generation, photovoltaic is accessing the ratio more and more higher of power network, due to it
Fluctuation, many areas in China, which all there are problems that abandoning wind, abandon light rations the power supply, and the development to China's regenerative resource is unfavorable, it is necessary to
Find a kind of extensive energy storage mode for being suitable for northern China water-deficient area.If abandoning wind, abandon the electricity that is wasted in optical phenomenon
It can store, supplement not enough power supply is brought when peak of power consumption arrives, then this part electric energy, operation of power networks can be achieved
In peak clipping add paddy effect.Therefore, finding a kind of suitable power storage mode just becomes very necessary.
Compressed-air energy storage (Compressed Air Energy Storge, CAES) is a kind of extremely potential big
Scale energy storage mode, it has, and dynamic response is fast, cost is low, advantages of environment protection.Typical compressed-air energy storage, which generates electricity, is
The course of work of uniting is as follows：It is relatively cheap using price and have remaining driven by power air pressure in the low ebb period of power network electricity consumption
Contracting machine compressed air, and the pressure-air after compression is stored in specific confined space.In electricity peak period, by high pressure
Air by generating equipment with after natural gas mixed combustion heating, power generation operation is carried out using the high temperature and high pressure gas of generation.
Compressed air energy storage power generating system has efficient low-consume, starts fast, flexible adjustment, availability height, reduced investment, construction
Cycle is short and the advantages that environmental pollution is small.
But after how being sufficiently mixed pressure-air and combustion gas, recycle combustion apparatus will the two fully burning
Heating, makes the maximized problem of the efficiency of heating surface, is not solved effectively also.This allows for carrying out energy storage hair using compressed air
The mode of electricity also has no idea to be widely applied to come.
Meanwhile in pressure-air combustion process, flame can deflect, cause that fuel and air burning be insufficient, combustion
Burn the occurrence of efficiency is low.Accordingly, it is desirable to provide a kind of air burning heater, to cause fuel fully to be fired with air
Burn heating.
In view of this, it is special to propose the present invention.
The content of the invention
The purpose of the present invention is to provide a kind of compressed-air energy storage electricity-generating method, pressure-air is carried out surely with realizing
Fixed heating, the purpose of power generation operation is carried out using pressure high temperature hot gas.
To realize goal of the invention, adopt the following technical scheme that：A kind of compressed-air energy storage electricity-generating method, it includes：By height
Press air to carry out combustion heating generation HTHP mixed gas with fuel, generating work is carried out using HTHP mixed gas
Industry；Pressure-air carries out comprising the following steps that for combustion heating, from air inlet after step S1, first via pressure-air mixes with fuel
Nozzle sprays into the combustion chamber of air heater, carries out combustion heating；Step S2, the second road pressure-air burns along air heater
The side wall of room is sprayed into combustion chamber everywhere, burning interior flame is spurted into mixing chamber along combustion chamber axis direction；Step S3,
The gas that 3rd road pressure-air and auto-thermal room spray into after heating mixes in mixing chamber, generation pressure value be 2.0Mpa,
Temperature is 500~650 DEG C of mixed gas, so that generating equipment carries out power generation operation.
Further, first via pressure-air, the second road pressure-air and the 3rd road pressure-air are preheated in advance,
The temperature before pressure-air air inlet heater is set to be heated to 190 DEG C by 30 DEG C~80 DEG C.
Further, in the presence of the second road pressure-air, the flame in combustion chamber is all the time along the axis direction of combustion chamber
Injection.
Further, in the presence of the second road pressure-air, the flame in combustion chamber sprays along smooth decline curve, and
Mixing chamber is sprayed into along combustion chamber axis direction.
Further, the multiple directional nozzles set in the second road pressure-air spontaneous combustion room side wall are sprayed into combustion chamber, profit
With the injection direction of the emitted dose control burning interior flame of each directional nozzle.
Further, electric field drives compressor generation pressure-air using providing auxiliary power amount and deposited in generating peak period
Storage, the high-pressure air pressure value of storage is 2.1~2.3Mpa；Electric field utilizes the pressure-air of storage to carry out in the generating low ebb phase
Combustion heating generation pressure value is 2.0Mpa, the mixed gas that temperature is 500~650 DEG C, and turbine generators utilizes combustion heating
Mixed gas afterwards carries out power generation operation；Preferably, electric field can be in wind power plant, thermal power generation field, water generating field
Any one.
Further, turbine generators carries out comprising the following steps that for power generation operation using the mixed gas after combustion heating,
Step S11, the HTHP mixed gas of air heater outflow flows through air expander, and HTHP mixed gas drives empty
Annular cascade rotation in gas expanding machine, makes mixed gas decrease temperature and pressure and discharges；Step S21, gas drops in air expander
The energy discharged in warm pressure reduction is by driving annular cascade to be converted to mechanical energy, and annular cascade passes through reduction gearing
Rotor rotation of the case with engine alternator；Step S31, the rotor relative stator rotation of synchronous generator, carries out power generation operation.
Further, air expander discharge, mixed gas after decrease temperature and pressure and the high pressure for being introduced into air heater
Air carries out heat exchange, and pressure-air is preheated.
Further, it is pre-warmed to pressure-air progress to comprise the following steps that, step S101, fused salt is situated between using solar energy
Matter is heated；Step S102, the fused-salt medium after heating carries out heat exchange with being introduced into the pressure-air of air heater；Step
Rapid S103, circulation step step S101 and step S102；
Preferably, during the day, fused-salt medium is heated using solar energy, the fused-salt medium after heating is first protected
Gentle storage；In generating low ebb, using storage, heating after fused-salt medium enter with being introduced into the pressure-air of air heater
Row heat exchange.
Further, the blend step of first via pressure-air and fuel is as follows, and step S201, pressure-air and fuel flow into
In the spherical shape mixing chamber of nozzle of air supply, rotation whirlpool is produced in the presence of spheroidal side wall, to be mixed；Step
The passage that S202, mixed gas through holes footpath are gradually narrowed is pressurizeed, and is spurted into combustion chamber.
Another object of the present invention is to provide a kind of compressed air energy storage power generating system, pressure-air is carried out with realizing
Combustion heating, the purpose of power generation operation is carried out using the pressure high temperature hot gas generated after heating.
To realize goal of the invention, adopt the following technical scheme that：
A kind of compressed air energy storage power generating system, including：Air heater, air is subjected to heating generation HTHP gas
Body, air feed equipment, pressure-air is provided for air heater；For fuel apparatus, fuel is provided for air heater；Generating is set
It is standby, generated electricity using the high temperature and high pressure gas of air heater generation；
Air feed equipment includes the air accumulator of a storage gases at high pressure；Burning of the air accumulator through the first pipeline and air heater
Room air inlet is connected, and combustion gas is helped to be provided for combustion chamber；Guiding of the air accumulator through being set in the second pipeline and combustion chamber is sprayed
Mouth is connected, and the axis spontaneous combustion room side wall of directional nozzle extends to the axis direction of combustion chamber, to control burning Indoor Combustion
The direction of flame；Mixing chamber is connected with the outlet side of combustion chamber so that the gases at high pressure in combustion chamber are burnt with combustion gas
High temperature and high pressure gas are generated after heating to flow into mixing chamber；Air accumulator is connected through the 3rd pipeline with the mixing chamber of air heater
It is logical, by combustion chamber discharge, the high temperature and high pressure gas after combustion heating flow into the 3rd pipeline, unburned pressure-air phase
Mixing, to adjust gas pressure and temperature that air heater is flowed out from mixing chamber.
Further, described generating equipment is made up of turbine generators；The mixing chamber gas outlet of air heater is by the road
It is connected with turbine generators, the high temperature formed in mixing chamber mixing compressed gas is transferred at turbine generators and sent out
Electric operation.
Further, compressed air energy storage power generating system also includes an air preheater；Described air preheater includes phase
It is mutually independent, can carry out two passages of heat exchange, first passage both ends respectively with air feed equipment and air heater air inlet
It is connected；Second channel is connected with generating equipment exhaust outlet.
Further, in the second pipeline and/or the 3rd pipeline, unburned pressure-air first flows through first passage and carries out heat
After exchanging heating, then in flowing in combustion chamber.
Further, a fuel charging-tank is included for fuel apparatus；Fuel charging-tank is through the first fuel supply pipe and combustion chamber
Air inlet be connected, make fuel mixed with pressure-air after the hot device of air inletization combustion chamber；Fuel charging-tank is through second
Fuel supply pipe is connected with the burner set in combustion chamber.Preferably, the fuel gas stored in fuel charging-tank is liquid
Change natural gas (LNG).
Further, air heater is made up of a tank body, and the both ends in tank interior space are respectively equipped with combustion chamber and mixing
Room, combustion chamber are connected with the close side of mixing chamber；The one end of combustion chamber away from mixing chamber is front end, and the end is provided with and the first pipe
The nozzle of air supply that road is connected；The side wall of combustion chamber is provided with an at least row directional nozzle, and each directional nozzle is managed with second respectively
Road is connected.
Further, in the side wall of combustion chamber arrangement by multiple row along tank body axis it is spaced, adjustment burning interior flame
Direction, for gases at high pressure flow into directional nozzle；Each column directional nozzle comprises at least three directional nozzles, each guiding of each column
Nozzle is distributed on the same cross section of tank body；Each directional nozzle axis of each column intersects at same point；At least adjacent to combustion chamber
Each directional nozzle axis that rear end one arranges is intersected at tank body axis, combustion chamber is sprayed into the flame of mixing chamber along tank body axis side
To injection.
Further, at least the axis of a row directional nozzle is relatively residing cross-section is obliquely installed towards mixing chamber direction.
Further, the burner that incendiary source is provided for combustion gas and pressure-air is provided with burner；Preferably, described combustion
Burner is made up of big compression ignition burner；Further preferred big compression ignition burner is provided with flame detector；Also set in big compression ignition burner
There is blow device.
Further, chamber front end is provided with a nozzle of air supply, and nozzle of air supply is extra quality mixing nozzle；Described extra quality mixing
The mixed structure and the first air inlet being connected with mixed structure and the second air inlet that nozzle is set by a nozzle head, nozzle head
Mouthful；First air inlet is connected with the first pipeline, so that pressure-air flows into；Second air inlet is connected with the first supply lines
It is logical, so that fuel flows into.
Using above-mentioned technical proposal, the present invention is compared with the advantage of prior art：
1st, said apparatus and method are passed through so that air heater can be used as combustion-supporting gas, control simultaneously by the use of pressure-air
The control air-flow of flame direction and the regulation air-flow for adjusting mixed gas operating mode, have reached the multi-purpose purpose of a gas.So as to so that
The equipment of whole air heating system is simplified, meanwhile, it is also relatively stable, reliable using the mode of heating of air heater；
2nd, by setting an air preheater that the waste gas after generating and pre-add hot-air are carried out into heat exchange, reach to waste gas
The recycling of middle preheating, the secondary use for realizing heat energy；Meanwhile reduce thermal losses, reduce pollution to environment, reach
The purpose of energy-saving and emission-reduction is arrived；
3rd, the mixed gas for being mixed with air and fuel gas is sprayed at nozzle of air supply so that mixed gas is injected directly into
In combustion chamber, the igniter through being set in combustion chamber, which acts on, to form flame, to be heated to gas, generates HTHP gas
Body；
4th, on the second road pressure-air spontaneous combustion room same cross section of side wall, the uniform each directional nozzle of angle at equal intervals
Pressure-air is sprayed at place into combustion chamber, the injection direction for the interior flame that burnt with control so that the flame edge combustion in combustion chamber
Burn chamber axis direction and spray into mixing chamber；
5th, the pressure-air for not carrying out combustion heating is preheated using the preheating in solar energy or generating waste gas, with
The loss to fuel energy in power generation process is reduced, reduces the pollution to environment；
Meanwhile the present invention is simple in construction, method is succinct, significant effect, suitably promotes the use of.
Brief description of the drawings
Fig. 1 is the structural representation of the compressed air energy storage power generating system of an embodiment in the present invention；
Fig. 2 is the structural representation of the compressed air energy storage power generating system of another embodiment in the present invention；
Fig. 3 is the chamber structure schematic diagram of air heater in one embodiment of the invention；
Fig. 4 is the chamber structure schematic diagram of air heater in another embodiment of the present invention；
Fig. 5 is the chamber structure schematic diagram of air heater in one more embodiment of the present invention；
Fig. 6 is the combustion chamber cross-sectional configuration schematic diagram of air heater in one embodiment of the invention；
Fig. 7 is the combustion chamber cross-sectional configuration schematic diagram of air heater in another embodiment of the present invention；
Fig. 8 is the combustion chamber cross-sectional configuration schematic diagram of air heater in one more embodiment of the present invention；
Fig. 9 is the structural representation of air preheater in the present invention；
Figure 10 is the structural representation of the heat exchange structure of air preheater in the present invention；
Figure 11 is the component sketch of heat exchange structure in one embodiment of the invention；
Figure 12 is the component sketch of heat exchange structure in another embodiment of the present invention；
Figure 13 is the assembly plan view of heat exchange structure in one more embodiment of the present invention；
Figure 14 is the structural representation of nozzle of air supply in the present invention；
Figure 15 is the structural representation of directional nozzle in the present invention；
Figure 16 is the structural representation of turbine generators in the present invention；
Figure 17 is the structural representation of barring gear in the present invention；
Figure 18 is the attachment structure schematic diagram of air preheater in an embodiment in the present invention；
Figure 19 is mplifying structure schematic diagram at the tank skin cross section A of holding vessel in the present invention.
Main element explanation：1-air accumulator, 2-air heater, 3-turbine generators, 4-air preheater, 5-
Aiutage, 6-fuel charging-tank, 7-solar thermal collector, 8-holding vessel, 9-two-position three-way valve, 10-throttling arrangement,
11-the first pipeline, the 12-the second pipeline, the 13-the three pipeline, the 14-the first fuel supply pipe, the 15-the second fuel supply pipe,
16-kinetic pump, 21-combustion chamber, 22-mixing chamber, 23-nozzle of air supply, 24-directional nozzle, 25-burner, 231-go out
Valve, the 232-the first air inlet, the 233-the second air inlet, 234-mixing chamber, 241-sleeve pipe, 242-big opening end,
243-osculum end, 31-ventilation shaft, 32-air expander, 33-reduction gear box, 34-barring gear, 35-synchronously send out
Motor, 311-inlet end, 312-outlet side, 321-output shaft, 321-output shaft, 322-annular cascade, 331-at a high speed
Axle, 332-slow-speed shaft, 333-housing, 334-input end gear, 335-gear of output end, 341-circular sheet material, 342-
Convex tendon, 343-splined hole, 344-bearing pin, 40-sheet material, 41-first passage, 42-second channel, 43-transverse sides,
44-vertical side, 45-convex tendon, 46-first interface pipeline, 47-second interface pipeline, the 48-the three interface pipeline, 49-
4th interface pipeline, 410-heat exchange structure, 411-housing, 412-shell fragment, 51-sheet metal, 52-insulation material, 53-
Heat-preservation cotton.
Embodiment
The present invention is described in more detail with reference to embodiment.
As shown in figure 1, invention describes a kind of compressed air energy storage power generating system, including：Air heater 2, by sky
Gas carries out heating generation high temperature and high pressure gas；Air feed equipment, pressure-air is provided for air heater 2；For fuel apparatus, for sky
Hot-air heater 2 provides fuel；Generating equipment, the high temperature and high pressure gas generated using air heater 2 are generated electricity.
In the present invention, the air feed equipment of compressed air energy storage power generating system includes the air accumulator 1 of a storage gases at high pressure.It is high
The pressure value for pressing air is 2.1~2.3Mpa.Include a storage by the fuel charging-tank 6 of fuel gas for fuel apparatus, deposited
The fuel gas of storage can be：Natural gas, coal gas etc..
As shown in Figure 1 or 2, the air heater 2 in the present invention is made up of a closed tank body, tank interior space
Both ends are respectively equipped with combustion chamber 21 and mixing chamber 22, and combustion chamber 21 is connected with the close side of mixing chamber 22.For high in combustion chamber
Press air to be heated with gas fuel burning, enter for mixed combustion gas and pressure-air in combustion chamber 21 and burn；Mixing chamber 22
Mixed gas after burning is mixed to adjust the temperature of gas at air heater outlet with unburned gases at high pressure.
As depicted in figs. 1 and 2, the Jing San Road pipeline of air accumulator 1 is connected with air heater 2 respectively；Air accumulator 1 is through first
Pipeline 11 is connected with the nozzle of air supply 23 set in the combustion chamber 21 of air heater 2, to be used as burning in combustion chamber 21
Help combustion gas；Air accumulator 1 is connected through the second pipeline 12 with the directional nozzle 24 set in combustion chamber 21, the axle of directional nozzle 24
The side wall of line spontaneous combustion room 21 extends to air inlet axis direction, to control the direction of combustion flame in combustion chamber 21；Air accumulator 1 passes through
3rd pipeline 13 is connected with the mixing chamber 22 of air heater 2, after the nozzle of air supply 23 of the front end of mixing chamber 22 and combustion chamber 21
The gas outlet at end is connected, by combustion chamber 21 it is discharging, burning after 13 sky flow into, unburned of gas and the 3rd pipeline
Gas phase mix, with adjust air heater 2 generation gas pressure and temperature.
Interior setting enters gas blowout in combustion chamber 21 of the fuel charging-tank 6 through the first fuel supply pipe 14 and air heater 2
Mouth 23 is connected, make fuel mixed with pressure-air after the hot device of air inletization combustion chamber 21；Fuel charging-tank 6 is through the second combustion
Material supply pipe 15 is connected with the burner 25 set in combustion chamber 21, and described burner 25 is the fuel gas in combustion chamber
Incendiary source is provided with combustion air.Preferably, the fuel gas stored in fuel charging-tank is liquefied natural gas (LNG).
A kind of method that air energy storing and electricity generating is compressed using above-mentioned electricity generation system, it includes：By pressure-air and combustion
Material carries out burning generation high pressure mixed gas, and power generation operation is carried out using high pressure mixed gas；
Comprised the following steps that what pressure-air was burnt,
Step S1:First via pressure-air mixed with fuel after from nozzle of air supply 23 spray into air heater 2；Meanwhile the
Side wall of the two road pressure-airs along the combustion chamber 21 of air heater 2 is sprayed to the axis direction of nozzle of air supply 23 everywhere, makes combustion chamber
Flame in 21 sprays along the axis direction of combustion chamber 21；
Step S2：3rd road pressure-air heats the gas mixing after being heated in combustion chamber 21, generation with air heater 2
The mixed gas that pressure value is 2.0Mpa, temperature is 500~650 DEG C, so that generating equipment carries out power generation operation.
Pass through said apparatus and method so that air heater 2 can utilize pressure-air simultaneously as combustion-supporting gas, control fire
The control air-flow in flame direction and the regulation air-flow for adjusting mixed gas operating mode, have reached the multi-purpose purpose of a gas.So as to so that it is whole
The equipment of individual air heating system is simplified, meanwhile, it is also relatively stable, reliable using the mode of heating of air heater 2.
In the present invention, electric field drives compressor generation pressure-air using providing auxiliary power amount and carried out in generating peak period
Storage, the high-pressure air pressure value of storage is 2.1~2.3Mpa；Electric field was entered using the pressure-air of storage in the generating low ebb phase
Row combustion heating generation pressure value is 2.0Mpa, the mixed gas that temperature is 500~650 DEG C, and turbine generators is added using burning
Mixed gas after heat carries out power generation operation.Preferably, electric field can be wind power plant, thermal power generation field, water generating field
In any one；It is further preferred that electric field is wind power plant.So as to overcome wind power plant generating fluctuating range
The problem of larger so that the generated output of wind power plant is exported in a more smooth, stable numerical value.
Embodiment one
As shown in figure 1, in the present embodiment, compressed air energy storage power generating system also includes an air preheater 4.Described sky
Air preheater 4 includes two passages that are separate, can carrying out heat exchange, first passage 41 and second channel 42.First is logical
The both ends in road 41 are connected with the gas outlet of reservoir tank 1 and the nozzle of air supply 23 of air heater 2 respectively, so as to add without air
The air that hot device 2 heats formerly flows through first passage 41；Second channel 42 respectively with the exhaust outlet of generating equipment and aiutage 5
Air inlet is connected, and is flowed so as to complete gas after power generation operation, having certain temperature in second channel 42.Due to
One passage 41 and second channel 42 are in contact so that gas can carry out heat exchange in first passage 41 and second channel 42 so that
Gas after generating carries out heat exchange with unburned pressure-air, to be carried out to the gases at high pressure before inflow air heater 2
Preheating.
As shown in figure 1, need to flow through air preheater 4 before pressure-air air inlet heater 2 in the 3rd pipeline 13；Through
Cross air preheater 4 in advance to preheat the 3rd road pressure-air, make the temperature of pressure-air by 30 DEG C~80 DEG C heating
To 190 DEG C.
As shown in Fig. 2 the pressure-air air inlet heating in pressure-air and the 3rd pipeline 13 in the second pipeline 12
It is both needed to flow through air preheater 4 before device 2；By air preheater 4 in advance to second and the 3rd road pressure-air preheat,
The temperature of pressure-air is set to be heated to 190 DEG C by 30 DEG C~80 DEG C.
By setting an air preheater that the waste gas after generating and pre-add hot-air are carried out into heat exchange, reach to heat energy
Secondary use；Meanwhile reduce thermal losses, reduce pollution to environment, reach the purpose of energy-saving and emission-reduction.
Embodiment two
As shown in Fig. 9 to Figure 13, in the present embodiment, described air preheater 4 is included by polylith at a distance of certain interval
Sheet material 40, which stacks, takes the heat exchange structure 410 for putting composition；The two relative sides of every block of sheet material 40 are folded upward at, the plate with its top
Material 40 is engaged to form the passage that supplied gas flows through；Adjacent sheet metal 40 is arranged alternately in length and breadth, forms the first passage laterally set
41 and longitudinally disposed second channel 42.
As shown in figure 11, every block of sheet material 40 is the rectangular plate of same shape；Every block of sheet material 40 includes a pair of horizontal strokes respectively
To side 43 and a pair of vertical sides 44；The transverse sides 43 of adjacent sheet metal 40 replace with vertical side 44 to be folded upward at.Every piece
The side upper end that is folded upward at of sheet material 40 is in contact and is welded and fixed with the bottom surface of its top sheet material 40 respectively.Adjacent sheet metal 40
Between clearance distance be not more than 50mm.
Preferably, as shown in figure 12, every block of sheet material 40 is provided with a plurality of convex tendon 45, and convex tendon 45 is bent up with the sheet material 40
Folding side is parallel, etc. height set, the sheet material 40 is divided into multiple by the convex tendon 45 with passage that its top sheet material 40 is formed
Parallel microchannel.So as to so that the air-flow in first passage 41 and second channel 42 can be uniform in the presence of convex tendon 45
Distribution everywhere, reaches the effect of air-flow even wind in the channel to passage.
In the present embodiment, the rectangular plate that sheet material 40 is not waited by long and short side is formed；The longer side limit of each laminate material 40 and compared with
Short side side is alternately folded upward at, to form heat exchange structure 410.The longer side limit of rectangular plate is transverse sides 43, shorter lateral sides
For vertical side 44, the width of first passage 41 for making laterally to set is less than the longitudinally disposed width of second channel 42.
As shown in figure 9, in the present embodiment, described air preheater 4 also includes a housing 411, and housing 411 forms one and supplied
The vertically-mounted chamber of heat exchange structure 410, four side walls of chamber are connected to the interface pipeline extended to outside chamber.
First interface pipeline 46 and second interface pipeline 47 extend laterally to chamber both sides respectively along the direction of first passage 41,
The setting equal with the width of first passage 41 of the width of first interface pipeline 46 and second interface pipeline 47；3rd interface pipeline 48
Vertically extending to chamber both sides respectively along the direction of second channel 42 with the 4th interface pipeline 49, the 3rd interface pipeline 48 and the 4th connects
The width setting equal with the width of second channel 42 of mouth pipeline 49.
First interface pipeline 46 and second interface pipeline 47 and plane residing for the connection end of chamber respectively with first passage 41
Both ends exist together a plane；The correspondence of corresponding sheet material 40 is folded upward at one plane of the vertical coexistence of side 44；3rd interface pipeline 48
With the 4th interface pipeline 49 and plane residing for the connection end of chamber respectively with being existed together a plane with the both ends of second channel 42；It is corresponding
The correspondence of sheet material 40 is folded upward at one plane of coexistence of transverse sides 43.So as to so that first passage 41 and second channel 42 are in shell
It is spaced-apart next in the presence of body 411, turn into independent closed passage；Simultaneously so that sheet material 40 not to be folded upward at side convex
What is gone out is located in corresponding interface pipeline, so as to obtain each several part of the uniform flow channel of gas.
As shown in figure 13, in the present embodiment, shell fragment 412 is respectively equipped between adjacent two convex tendons 45 of every block of sheet material 40；
One side of shell fragment 412 is fixedly connected with the phase of convex tendon 45 of respective side, and opposite side is vacantly set.The upper end of shell fragment 412 without departing from
The height of convex tendon 45 is set, and shell fragment 412 is connected with the middle part of convex tendon 45 so that shell fragment separates corresponding microchannel.So as to,
At airflow passes microchannel, shell fragment is driven by stream pressure occurs elastic deformation, and the air-flow velocity of heat exchanger is flowed through with adjustment,
Reach the purpose of voltage stabilizing.
In the present embodiment, described shell fragment 412 tilts backwards setting along the airflow direction in microchannel；The width of shell fragment 412
Degree is equal to the width of corresponding microchannel, and the angle of shell fragment 412 and convex tendon 45 is γ, 60 degree of 5 degree of ＞ γ ＞.
Preferably, shell fragment 412 only is set in each microchannel for the first passage 41 of non-hot gas flowing, to slow down
The flow velocity of non-hot gas in first passage 41, improve the pre-add thermal efficiency.
Embodiment three
As shown in figure 18, in the present embodiment, described air preheater 4 include it is separate, heat exchange can be carried out
Two passages, the both ends of first passage 41 are connected with air feed equipment and air heater air inlet respectively；The both ends of second channel 42
The circulation canal for fused-salt medium flowing is connected to form with solar thermal collector 7 respectively.
The both ends of second channel 42 are connected through water influent pipeline with the outlet of solar thermal collector 7, through drain pipe road respectively
With being connected for the import of solar thermal collector 7；Control piper passage is respectively equipped with described water influent pipeline and drain pipe road
Control valve.
Preferably, as shown in figure 18, in the present embodiment, water influent pipeline is provided with two-position three-way valve 9, two-position three-way valve 9
Three openings export with solar thermal collector 7 respectively, second channel 42 and the exhaust outlet of generating equipment 3 are connected, and make second channel
42 export or the exhaust outlet of generating equipment 3 is connected with solar thermal collector 7；Drain pipe road is provided with two-position three-way valve 9, two three
Three openings of port valve 9 are connected with the import of solar thermal collector 7, second channel 42 and the air inlet of aiutage 5 respectively, make second
Passage 42 is connected with the import of solar thermal collector 7 or the air inlet of aiutage 5.
So as to, under the control of two two-position three-way valves so that the both ends of second channel 42 of air preheater 4 respectively with too
Positive energy heat collector 7 is connected, and forms the runner of fused-salt medium, for the high pressure sky flowed through in high-temperature molten salt medium and first passage 41
Gas exchanges heat, and reaches the purpose to unburned heating pressure-air preheating；Or to flow through in the second channel 42 of air preheater 4
After power generation operation, containing the waste gas having surplus heat, exchange heat, reach to unburned for the pressure-air flowed through in waste gas and first passage 41
Heat the purpose of pressure-air preheating.
Pass through said apparatus so that the preheating of pressure-air can be collected heating or profit by contained waste heat in waste gas
Heated with solar energy, and mutually switching is more convenient, quick.
In the present embodiment, water influent pipeline is provided with holding vessel 8, the import of holding vessel 8 and the outlet phase of solar thermal collector
Connection, the outlet of holding vessel 8 are connected through the pipeline provided with two-position three-way valve 9 with second channel 42；Detection is provided with holding vessel 8
The temperature sensor of fused-salt medium temperature.Water influent pipeline is provided with throttling arrangement 10, and described throttling arrangement 10 is located at two three
On the pipeline that port valve 9 is connected with holding vessel 8.Drain pipe road is provided with kinetic pump 16, and described kinetic pump 16 is located at drain pipe
On the pipeline that two-position three-way valve 9 on road is connected with solar thermal collector 7；And kinetic pump 16 acts on fused-salt medium in lower pipeline
Flow direction be that solar thermal collector 7 to throttling arrangement 10 to air preheater 4 to kinetic pump 16 is back to solar energy heating again
Device 7.
As shown in figure 19, in the present embodiment, the tank skin of holding vessel 8 is made up of double-level-metal sheet material, two sheet metals 51 it
Between at a distance of certain interval, filled with the insulation material 52 being made up of phenol formaldehyde foam in gap；The outer side covers of outer layer metal sheet material 51
It is equipped with by heat-preservation cotton 53.So as to so that holding vessel 8 has sandwich heat preservation layer, and is filled in sandwich heat preservation layer by heat-insulated material；
Meanwhile also cover setting heat-preservation cotton in outermost so that the heat insulation effect of holding vessel is preferable.
It is pre-warmed to pressure-air progress to comprise the following steps that in the present embodiment,
Step S101, fused-salt medium is heated using solar energy；
Step S102, the fused-salt medium after heating carries out heat exchange with being introduced into the pressure-air of air heater；
Step S103, circulation step step S101 and step S102；
Preferably, during the day, fused-salt medium is heated using solar energy, the fused-salt medium after heating is first protected
Gentle storage；In generating low ebb, using storage, heating after fused-salt medium enter with being introduced into the pressure-air of air heater
Row heat exchange.
Example IV
As shown in the figures 1 and 2, in the present embodiment, air heater 2 is made up of a tank body, the both ends point in tank interior space
Not She You combustion chamber 21 and mixing chamber 22, combustion chamber 21 is connected with the close side of mixing chamber 22, after the side is combustion chamber 21
Side；The one end of combustion chamber 21 away from mixing chamber 22 is front end, and the end is provided with the nozzle of air supply 23 being connected with the first pipeline 11, supplies
Mixed combustion gas and pressure-air enter burning Indoor Combustion heating.Preferably, combustion chamber 21 and mixing chamber 22 are coaxially disposed；
It is further preferred that combustion chamber 21 and mixing chamber 22 are coaxially disposed with tank body, and combustion chamber 21 and the cross section of mixing chamber 22
It is rounded respectively.
As shown in Fig. 3 to 5, in the present embodiment, the front bulkhead of combustion chamber 21 is provided with a nozzle of air supply 23, and nozzle of air supply 23 is double
Expect mixing nozzle；The mixed structure and and mixed structure that described extra quality mixing nozzle is set by a nozzle head 231, nozzle head
The first air inlet 232 and the second air inlet 233 being connected；First air inlet 232 is connected with the first pipeline 11, for high pressure
Air flows into；Second air inlet 233 is connected with the first fuel supply conduit 14, so that fuel flows into.
So as to spray the mixed gas for being mixed with air and fuel gas at nozzle of air supply 23 so that mixed gas is straight
Connecing and spray into combustion chamber 21, the igniter through being set in combustion chamber 21 acts on forming flame, to be heated to gas, generation
High temperature and high pressure gas.
Preferably, as shown in figure 14, in the present embodiment, the mixed structure of nozzle of air supply 23 includes a mixing chamber 234, mixes
It is in spherical shape to close chamber 234；The inlet channel of side two of spherical shape mixing chamber 234 respectively with the first air inlet 232 and
Second air inlet 233 is connected, relative opposite side is connected through an outlet passageway with nozzle head 231.Two inlet channels
The upper and lower part with mixing chamber 234 is connected respectively, and outlet passageway is connected with the middle part of mixing chamber 234.
Due to, the pressure-air that is flowed into from the first air inlet 232 and the second air inlet 233 in mixing chamber 234 and flammable
Combustion gas, formed in spherical shape mixing chamber 234 and easily form whirlpool so that the mixability of pressure-air and combustible gas can
Improve.
In the present embodiment, the caliber of outlet passageway gradually narrows from mixing chamber 234 to the direction of nozzle head 231 so that stream
Combustion chamber is sprayed into from nozzle head 231 after entering gases at high pressure and the combustion gas mixing in mixing chamber 234.
In the present embodiment, the blend step of first via pressure-air and fuel is as follows,
Step S201, pressure-air and fuel are flowed into the spherical shape mixing chamber of nozzle of air supply, in spheroidal side wall
Effect is lower to produce rotation whirlpool, to be mixed；
Step S202, the passage that mixed gas through holes footpath is gradually narrowed is pressurizeed, and is spurted into combustion chamber.
Embodiment five
As shown in Figures 3 to 8, arrange in the present embodiment, in the side wall of combustion chamber 21 and set by multiple row along tank body axis interval
Directional nozzle 24 putting, the adjustment flame direction of combustion chamber 21, being flowed into for gases at high pressure；Each directional nozzle 24 is with second
Pipeline 12 is connected, to cause the second road pressure-air through in each flowing in combustion chamber 21 of directional nozzle 24, reaching by the use of as helping
The purpose of the pressure-air control burning interior flame flow direction of combustion gas body.
In the present embodiment, the axis of each directional nozzle 24 at least adjacent to the rear end one of combustion chamber 21 row intersects at tank body axis
Place, combustion chamber 21 is sprayed into the flame of mixing chamber and sprayed along tank body axis direction, avoid the Flame injection direction of mixing chamber 22 inclined
Shifting causes the occurrence of gaseous state differs in mixing chamber 22.
As shown in Fig. 3 to 5, in the present embodiment, the cross section of tank body can be any geometries such as circle, polygon；
The cross section of preferable tank body is circle.Each column directional nozzle 24 comprises at least three directional nozzles 24；Preferably, such as Fig. 6 institutes
Show, each column directional nozzle 24 includes four directional nozzles 24, and four directional nozzles 24 are respectively at four phases of circular cross sections
At site.Each directional nozzle 24 of each column directional nozzle 24 is distributed on the same cross section of combustion chamber 21；Each guiding of each column
The axis of nozzle 24 intersects at same point.
Pass through said apparatus so that axis injection of the gases at high pressure sprayed in each directional nozzle 24 along nozzle, order burning
Indoor flame profile deforms in the case where each nozzle sprays the control of gases at high pressure, reaches and controls combustion chamber by directional nozzle 24
The purpose of 21 flames.
As shown in figure 3, in the present embodiment, gas blowout can be entered by nozzle of air supply 23 at the center of the front side of combustion chamber 21
Axis direction extension of the mouth 23 along tank body, sprays after making pressure-air and the combustion gas mixing in flowing in combustion chamber 21 along tank body axis
Enter in mixing chamber 22.Axis direction extension of the axis of each directional nozzle 24 along corresponding circular cross sections so that each column is oriented to spray
The intersection point of the axis of mouth 24 is on the axis of tank body so that the flame of combustion chamber 21 is sprayed along tank body axis direction all the time；Together
When so that the flame sprayed into the rear side mixing chamber 22 of combustion chamber 21 still sprays into along tank body axis direction.
As shown in figure 4, in the present embodiment, can be by the front end rear end side of axis spontaneous combustion room 21 of each row directional nozzle 24
To being obliquely installed.Preferably, the both ends of angle of inclination spontaneous combustion room 21 of each row directional nozzle 24 gradually increase to middle direction；Enter
One step is preferable, and the shaft angle degree close to the respective column directional nozzle 24 of the rear and front end of combustion chamber 21 is 0.So as to so that
The gases at high pressure that directional nozzle 24 sprays can produce the motive force to the rear side flowing of combustion chamber 21 to the flame in combustion chamber 21.Example
Such as：As shown in figure 4, the equal intervals of combustion chamber 21 are placed with six row directional nozzles 24, by the front end of combustion chamber 21 to rear end successively
For：First row directional nozzle, secondary series directional nozzle, the 3rd row directional nozzle, the 4th row directional nozzle, the 5th row directional nozzle
With the 6th row directional nozzle；The angle of inclination that wherein axis of first row and the 6th row directional nozzle corresponds to cross section relatively is 0；
The angle of inclination that the axis of secondary series and the 5th row directional nozzle corresponds to cross section relatively is α；3rd row and the 4th row are oriented to spray
The angle of inclination that the axis of mouth corresponds to cross section relatively is β.Preferably, described α ＜ β；It is further preferred that α is 10 degree, β
For 20 degree.
When being directed to nozzle 24 at the center of the front side of combustion chamber 21, the installation site of each row directional nozzle 24 can be with
As shown in fig. 6, four directional nozzles 24 are respectively arranged at four phase points of circular cross sections, the directional nozzle of left and right ends
24 axis difference is horizontal-extending, the axis of the directional nozzle 24 vertical extension respectively of upper and lower ends so that each directional nozzle of each column
24 axis joining is at tank body axis
In the present embodiment, in the presence of the second road pressure-air, the flame in combustion chamber is all the time along the axis of combustion chamber
Spray in direction.Multiple directional nozzles for being set in second road pressure-air spontaneous combustion room side wall are sprayed into combustion chamber, using respectively leading
To the injection direction of the emitted dose control burning interior flame of nozzle.
Embodiment six
As shown in figure 5, in the present embodiment, nozzle of air supply 23 can also be leaned on place near to the upper end located at the front side of combustion chamber 21,
Nozzle of air supply 23 extends along line direction equal with tank body axis.The front end of intersection point spontaneous combustion room 21 of each axis of row directional nozzle 24 to
Rear end reduces height successively, is in the crossing point of axes of each directional nozzle 24 close to the rear end one of combustion chamber 21 row at tank body axis.
So as to control the front end of flame spontaneous combustion room 21 in combustion chamber 21 to be flowed to the back-end along the direction of arrow as shown in Figure 7 so that from
The flame that the rear end of combustion chamber 21 is sprayed into mixing chamber 22 still sprays along tank body axis direction.
As shown in figure 5, in the present embodiment, if the vertical direction using the axis direction of tank body as x-axis, nozzle of air supply excessively is y
Axle establishes coordinate system, and the injection parabola of flame meets following rule in the coordinate system：
X=vt, y=gt2/2。
Wherein, v is the gas flow rate entered by nozzle of air supply in combustion chamber；T is gas from nozzle of air supply flowing in combustion chamber
In entry time；G is acceleration of gravity 9.8m/s2。
Nozzle 24 is being directed to located at the front side of combustion chamber 21 when leaning on place near to the upper end, the installation site of each row directional nozzle 24
Can be with as shown in fig. 7, four directional nozzles 24 be respectively arranged at four phase points of circular cross sections, the guiding of the left and right sides
The axis of nozzle 24 is inclined upwardly respectively so that the intersection point of four directional nozzles 24 is in the corresponding flame spray line shown in Fig. 5；
Can be with as shown in figure 8, two directional nozzles 24 in each row directional nozzle 24 be respectively arranged on into circular cross sections
Up and down at phase point, two other directional nozzle 24 is respectively arranged on cross section flame spray line phase corresponding with shown in Fig. 5
The left and right sides of intersection point.Radial direction of upper and lower two directional nozzles 24 along circular cross sections, vertical direction are set；The guiding of left and right two
Nozzle 24 is horizontally disposed.
In the present embodiment, in the presence of the second road pressure-air, the flame in combustion chamber sprays along smooth decline curve
Penetrate, and mixing chamber is sprayed into along combustion chamber axis direction.The multiple guiding spray set in second road pressure-air spontaneous combustion room side wall
Mouth is sprayed into combustion chamber, utilizes the injection direction of the emitted dose control burning interior flame of each directional nozzle.
Embodiment seven
In the present embodiment, directional nozzle 24 is made up of pure nozzle, and the pipeline that the nozzle is gradually narrowed by caliber is formed, greatly
Caliber end is connected with the second pipeline 12, pipe with small pipe diameter end is in combustion chamber；Directional nozzle 24 is fixedly installed in combustion chamber 21
In side wall.The aperture of each directional nozzle 24 is gradually narrowed from inside to outside, with increase injection air pressure.
So as to so that each directional nozzle 24 can spurt into pressure-air in combustion chamber 21, be the flame in combustion chamber 21
Combustion air is provided；The shape of the Flame of combustion chamber 21 can also be controlled so that the flame that combustion chamber 21 is spurted into mixing chamber 22
Sprayed into along tank body axis direction.
As shown in figure 15, in the present embodiment, the pipeline for forming directional nozzle 24 is made up of telescopic tube, described telescopic
The sleeve pipe 241 that pipe is set with connection by more piece successively is formed, and each internal diameter for saving sleeve pipe 241 successively decreases successively from the inside to the outside.
In the present embodiment, each internal diameter for saving sleeve pipe 241 gradually narrows, and each external diameter of big opening end 242 for saving sleeve pipe 241 is not less than
The internal diameter of osculum end 243 of outside adjacent casing 241；And lateral wall and the osculum end 243 of the big opening end 242 of each section sleeve pipe 241
Screw thread is equipped with madial wall, makes the phase screw thread of osculum end 243 of the big opening end 242 and outside adjacent casing 241 of each section sleeve pipe 241
It is connected.
It is made up of by being directed to nozzle telescopic tube, in order to be sprayed according to each be oriented to of charge flow rate adjustment in combustion chamber
Length of the mouth 24 in combustion chamber 21, avoid the occurrence of that gas gross is smaller in combustion chamber, efficiency of combustion is low；Meanwhile
Avoid directional nozzle apart from flame farther out, control accuracy it is relatively low so that the generation of combustion chamber Flame drift condition.
Preferably, respectively the internal diameter of section sleeve pipe 241 gradually narrows；The internal diameter of osculum end 243 of each section sleeve pipe 241 is equal to inner side
The external diameter of big opening end 242 of adjacent casing 241；The external diameter of big opening end 242 of each section sleeve pipe 241 is equal to the small of outside adjacent casing 241
Mouth end 243 internal diameter.It is further preferred that respectively the big opening end 242 of section sleeve pipe 241 and the internal diameter of osculum end 243 wait big setting respectively, with
It is easy to be threaded.
In the present embodiment, each directional nozzle 24 is corresponding with being respectively equipped with control on the pipeline that the second pipeline 12 is connected to be oriented to
Nozzle 24 sprays the magnetic valve of flow velocity；High temperature camera is provided with combustion chamber, to be monitored in real time to the flame in combustion chamber；
Control unit can be adjusted so that the flame in combustion chamber according to monitoring data to the electromagnetism valve opening of each directional nozzle 24
Injection direction can be sprayed according to demand along desired trajectory.
Embodiment eight
In the present embodiment, described generating equipment is made up of turbine generators 3；The outlet of mixing chamber 22 of air heater 2
Mouth is connected with turbine generators 3 by the road, and the high temperature formed in mixing chamber 22 is mixed into compressed gas is transferred to turbine hair
Power generation operation is carried out at motor 3.
As shown in figure 16, described turbine generators 3 includes, for the sky installed on the ventilation shaft 31 of gases at high pressure flowing
Gas expanding machine 32, the output shaft 321 of air expander 32 and one end of high speed shaft 331 of reduction gear box 33 are coaxially connected, at a high speed
The other end of axle 331 is connected with barring gear 34, and high speed shaft 331 is through the train of reduction gears and slow-speed shaft in reduction gear box 33
332 are meshed transmission, and the slow-speed shaft 332 of the reduction gear box 33 is connected with the rotor coaxial of synchronous generator 35；Ventilation duct
The inlet end in road 31 is connected with air heater 2, and outlet side is connected with aiutage 5.
Air expander 32 is provided with ventilation shaft 31, air expander 32 includes the annular leaf being located in ventilation shaft 31
Grid 322.The center of the annular cascade 322 is provided with output shaft 321, and output shaft 321 passes ventilation shaft 31 and reduction gear box
33 high speed shaft 331 is coaxially connected；Preferably, the high speed shaft 331 of the output shaft 321 of air expander 32 and reduction gear box 33
It is wholely set.
31 L-shaped setting of ventilation shaft, the horizontal ends of ventilation shaft 31 are inlet end 311, and vertical end is outlet side
312；The output shaft 321 of air expander 32 passes from the corner of " L " shape ventilation shaft, the axis of annular cascade 322 and " L "
The horizontal inlet end 311 of shape ventilation shaft 31 is coaxially disposed；Preferably, the outlet side 312 of ventilation shaft 31 is set straight up.
Reduction gear box 33 includes housing, and the both ends of housing 333 are respectively equipped with the high speed shaft 331 and low speed of parallel setting
Axle 332, housing 333 is interior to be provided with train of reduction gears；Train of reduction gears comprises at least the input end gear fixed with the phase of high speed shaft 331
334 and the gear of output end 335 fixed with the phase of slow-speed shaft 332, input end gear 334 and gear of output end 335 are directly or through extremely
A few travelling gear is meshed.
The both ends of high speed shaft 331 pass the two side of housing 333 respectively, and the first end of high speed shaft 331 stretches into ventilation shaft 31
The input shaft 321 of air expander 32 is formed, the second end of high speed shaft 331 is fixedly connected with the phase of barring gear 34.As shown in figure 17,
Described barring gear 34 includes circular sheet material 341 with 331 coaxially connected fixation of high speed shaft, on the one side of circular sheet material 341
Uniformly by a plurality of convex tendon 342, each convex tendon 342 is from radially extending along sheet material at the center of circular sheet material 341.High speed shaft 331
Second end is provided with the shaft part that the diameter of axle diminishes, and the side wall of shaft part is provided with spline；The middle part of circular sheet material 341 is provided with and worn for the shaft part
The splined hole 343 crossed；The shaft part part for passing splined hole 343 is provided with pin-and-hole, is plugged in pin-and-hole and is fixed with bearing pin 344, will be at a high speed
Axle 331 is fixedly connected with the phase of barring gear 34.One end of slow-speed shaft 332 passes the housing 333 and synchronous generator 35 of decelerator 33
Rotor coaxial connection.
In the present embodiment, turbine generators carries out the specific steps of power generation operation such as using the mixed gas after combustion heating
Under,
Step S11, the HTHP mixed gas of air heater outflow flows through air expander, HTHP gaseous mixture
Body drives the annular cascade rotation in air expander, makes mixed gas decrease temperature and pressure and discharges；
Step S21, air expander by the energy discharged during gas decrease temperature and pressure by driving annular cascade to rotate
Mechanical energy is converted to, and annular cascade is rotated by rotor of the reduction gear box with engine alternator；
Step S31, the rotor relative stator rotation of synchronous generator, carries out power generation operation.
In the present embodiment, mixed gas that air expander is discharged, after decrease temperature and pressure is with being introduced into air heater
Pressure-air carries out heat exchange, and pressure-air is preheated.
Embodiment in above-described embodiment can be further combined or replace, and embodiment is only to the present invention's
Preferred embodiment is described, and not the spirit and scope of the present invention are defined, and is not departing from design philosophy of the present invention
Under the premise of, various changes and modifications that professional and technical personnel in the art make to technical scheme belong to this hair
Bright protection domain.
Claims (9)
1. a kind of compressed-air energy storage electricity-generating method, it includes：It is high that pressure-air and fuel are subjected to combustion heating generation high temperature
Mixed gas is pressed, power generation operation is carried out using HTHP mixed gas；
It is characterized in that：Pressure-air carries out comprising the following steps that for combustion heating,
Step S1, the combustion chamber of air heater is sprayed into after first via pressure-air mixes with fuel from nozzle of air supply, is fired
Burn heating；
Step S2, side wall of the second road pressure-air along air heater combustion chamber is sprayed into combustion chamber everywhere, makes combustion chamber
Flame spurts into mixing chamber along combustion chamber axis direction；The multiple guiding set in second road pressure-air spontaneous combustion room side wall
Nozzle is sprayed into combustion chamber, utilizes the injection direction of the emitted dose control burning interior flame of each directional nozzle；It is high on the second tunnel
In the presence of pressing air, the flame in combustion chamber sprays along smooth decline curve, and sprays into and mix along combustion chamber axis direction
Room；
Step S3, the gas that the 3rd road pressure-air sprays into after being heated with auto-thermal room mixes in mixing chamber, generates pressure
It is worth for the mixed gas that 2.0Mpa, temperature are 500~650 DEG C, so that generating equipment carries out power generation operation.
A kind of 2. compressed-air energy storage electricity-generating method according to claim 1, it is characterised in that：In advance to first via high pressure
Air, the second road pressure-air and the 3rd road pressure-air are preheated, and make the temperature before pressure-air air inlet heater
Degree is heated to 190 DEG C by 30 DEG C~80 DEG C.
A kind of 3. compressed-air energy storage electricity-generating method according to claim 1, it is characterised in that：Electric field is on generating peak
Phase, drive compressor generation pressure-air and to be stored using providing auxiliary power amount, the high-pressure air pressure value of storage for 2.1~
2.3Mpa；
Electric field in the generating low ebb phase, using the pressure-air of storage carry out combustion heating generation pressure value be 2.0Mpa, temperature be
500~650 DEG C of mixed gas, turbine generators carry out power generation operation using the mixed gas after combustion heating.
A kind of 4. compressed-air energy storage electricity-generating method according to claim 3, it is characterised in that：Electric field can be that wind-force is sent out
Any one in electric field, thermal power generation field, water generating field.
A kind of 5. compressed-air energy storage electricity-generating method according to claim 4, it is characterised in that：Turbine generators utilizes combustion
Burn the mixed gas after heating and carry out comprising the following steps that for power generation operation,
Step S11, the HTHP mixed gas of air heater outflow flows through air expander, HTHP mixed gas band
Annular cascade rotation in dynamic air expander, makes mixed gas decrease temperature and pressure and discharges；
Step S21, air expander changes the energy discharged during gas decrease temperature and pressure by driving annular cascade to rotate
For mechanical energy, and annular cascade passes through rotor of the reduction gear box with engine alternator and rotated；
Step S31, the rotor relative stator rotation of synchronous generator, carries out power generation operation.
A kind of 6. compressed-air energy storage electricity-generating method according to claim 5, it is characterised in that：Air expander is discharged
, mixed gas after decrease temperature and pressure and be introduced into the pressure-air of air heater and carry out heat exchange, pressure-air is carried out
Preheating.
A kind of 7. compressed-air energy storage electricity-generating method according to any one of claims 1 to 6, it is characterised in that：It is empty to high pressure
Gas progress is pre-warmed to be comprised the following steps that,
Step S101, fused-salt medium is heated using solar energy；
Step S102, the fused-salt medium after heating carries out heat exchange with being introduced into the pressure-air of air heater；
Step S103, circulation step S101 and step S102.
A kind of 8. compressed-air energy storage electricity-generating method according to claim 7, it is characterised in that：During the day, using too
Sun can heat to fused-salt medium, and the fused-salt medium after heating first carries out insulation storage；In generating low ebb, storage is utilized
, heating after fused-salt medium and be introduced into air heater pressure-air carry out heat exchange.
A kind of 9. compressed-air energy storage electricity-generating method according to any one of claims 1 to 6, it is characterised in that：The first via is high
Press the blend step of air and fuel as follows,
Step S201, pressure-air and fuel are flowed into the spherical shape mixing chamber of nozzle of air supply, in the effect of spheroidal side wall
It is lower to produce rotation whirlpool, to be mixed；
Step S202, the passage that mixed gas through holes footpath is gradually narrowed is pressurizeed, and is spurted into combustion chamber.
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| WO2023155039A1 (en) * | 2022-02-15 | 2023-08-24 | 烟台杰瑞石油装备技术有限公司 | Dual-fuel power system and air supply and purge method therefor |
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| CN1095463A (en) * | 1993-03-18 | 1994-11-23 | 株式会社日立制作所 | The apparatus and method of gaseous fuel and air mixed combustion |
| CN102661175A (en) * | 2012-05-17 | 2012-09-12 | 西安交通大学 | Compressed air energy storage system |
| CN103291455A (en) * | 2013-05-08 | 2013-09-11 | 中国能源建设集团广东省电力设计研究院 | Co-generation compressed air energy storage method and energy storage system |
| CN203570374U (en) * | 2013-12-03 | 2014-04-30 | 中国科学院工程热物理研究所 | Compressed air energy storage system |
| CN104061680A (en) * | 2014-06-06 | 2014-09-24 | 浙江大学 | Waste heat recovery device of air compressor and control method of waste heat recovery device |
| CN203867644U (en) * | 2014-04-24 | 2014-10-08 | 中国大唐集团新能源股份有限公司 | Compressed air energy storage system |
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| GB2409022B (en) * | 2003-12-13 | 2006-01-25 | Rolls Royce Plc | Work extraction arrangement |
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|---|---|---|---|---|
| CN1095463A (en) * | 1993-03-18 | 1994-11-23 | 株式会社日立制作所 | The apparatus and method of gaseous fuel and air mixed combustion |
| CN102661175A (en) * | 2012-05-17 | 2012-09-12 | 西安交通大学 | Compressed air energy storage system |
| CN103291455A (en) * | 2013-05-08 | 2013-09-11 | 中国能源建设集团广东省电力设计研究院 | Co-generation compressed air energy storage method and energy storage system |
| CN203570374U (en) * | 2013-12-03 | 2014-04-30 | 中国科学院工程热物理研究所 | Compressed air energy storage system |
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