CN105317554A - Compressed air energy-stored power generation method - Google Patents
Compressed air energy-stored power generation method Download PDFInfo
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- CN105317554A CN105317554A CN201510002235.9A CN201510002235A CN105317554A CN 105317554 A CN105317554 A CN 105317554A CN 201510002235 A CN201510002235 A CN 201510002235A CN 105317554 A CN105317554 A CN 105317554A
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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
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- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The invention relates to a compressed air energy-stored power generation method. The method comprises the step that high-pressure air and fuel are combusted and heated to generate high-temperature high-pressure mixed gas which is used for carrying out power generation. The combustion and heating process of the high-pressure air comprises the specific steps that S1, the first path of high-pressure air and the fuel are mixed and then are sprayed into a combustion chamber of an air heater from an air inlet nozzle so as to be combusted and heated; S2, the second path of high-pressure air is jetted into the combustion chamber along all the positions of the side wall of the combustion chamber of the air heater, and flames in the combustion chamber are jetted into a mixing chamber in the axis direction of the combustion chamber; and S3, the third path of high-pressure air and gas which is sprayed in after being heated by a self-heating combustion chamber are mixed in the mixing chamber, and the mixed gas with the pressure value being 2.0 Mpa and the temperature being 500-650 DEG C is generated and supplied to power generation equipment for power generation.
Description
Technical field
The present invention relates to power domain, particularly relate to a kind of compressed air energy storage power generating system, also relate to the method for a kind of compressed-air energy storage generating.
Background technique
Along with the extensive renewable energy sources such as wind-powered electricity generation, photovoltaic is more and more higher in the ratio of access electrical network, due to its wave properties, the a lot of area of China all exists to be abandoned wind, abandons light and to ration the power supply problem, unfavorable to the development of China's renewable energy sources, be necessary to find a kind of extensive energy storage mode being suitable for northern China water-deficient area.If abandoning wind, abandoning the power storage of wasting in optical phenomenon, when peak of power consumption arrives, then it is not enough that this part electric energy is brought supplementary electricity, and paddy effect is added in the peak clipping that can realize in operation of power networks.Therefore, find a kind of suitable power storage mode and just become very necessary.
Compressed-air energy storage (CompressedAirEnergyStorge, CAES) is the extremely potential extensive energy storage mode of one, and it has, and dynamic response is fast, cost is low, advantages of environment protection.Typical compressed air energy storage power generating system working procedure is as follows: in the low ebb period of electrical network electricity consumption, uses price relatively cheap and has remaining electric drive air compressor pressurized air, and being stored in specific confined space by the high-pressure air after compression.In peak of power consumption period, after high-pressure air and rock gas mixed combustion being heated, the high temperature and high pressure gas generated is utilized to carry out power generation operation by power generating equipment.
The advantages such as compressed air energy storage power generating system has efficient low-consume, it is fast to start, flexible adjustment, availability are high, less investment, construction period are short and environmental pollution is little.
But after how fully being mixed with combustion gas by high-pressure air, the two Thorough combustion heats by recycling fuel-burning equipment, makes the problem of maximizes heater efficiency, is not also effectively solved.This just makes the mode utilizing pressurized air to carry out energy storing and electricity generating spread of also having no idea come.
Meanwhile, in high-pressure air combustion process, flame can deflect, and causes fuel and air burning is insufficient, the generation of the low situation of combustion efficiency.Therefore, need to provide a kind of air burning heating equipment, heat to make fuel and air Thorough combustion.
In view of this, special proposition the present invention.
Summary of the invention
An object of the present invention is to provide a kind of compressed-air energy storage electricity-generating method, to realize carrying out stable heating to high-pressure air, utilizes pressure high temperature hot gas to carry out the object of power generation operation.
For realizing goal of the invention, adopt following technological scheme: a kind of compressed-air energy storage electricity-generating method, it comprises: high-pressure air and fuel are carried out combustion heating and generates High Temperature High Pressure mixed gas, utilizes High Temperature High Pressure mixed gas to carry out power generation operation; The concrete steps that high-pressure air carries out combustion heating are as follows, spray into the firing chamber of air heater, carry out combustion heating after step S1, first via high-pressure air and fuel mix from nozzle of air supply; Step S2, the second road high-pressure air spray everywhere along the sidewall of air heater firing chamber in firing chamber, make firing chamber flame spurt into mixing chamber along firing chamber axial direction; The gas that step S3, the 3rd road high-pressure air spray into after heating with auto-thermal room mixes in mixing chamber, and the mixed gas that generation force value is 2.0Mpa, temperature is 500 ~ 650 DEG C, carries out power generation operation for power generating equipment.
Further, preheat first via high-pressure air, the second road high-pressure air and the 3rd road high-pressure air in advance, the temperature before making high-pressure air enter air heater is heated to 190 DEG C by 30 DEG C ~ 80 DEG C.
Further, under the effect of the second road high-pressure air, the flame in firing chamber sprays along the axial direction of firing chamber all the time.
Further, under the effect of the second road high-pressure air, the flame in firing chamber sprays along level and smooth recession curve, and sprays into mixing chamber along firing chamber axial direction.
Further, multiple directional nozzles that the second high-pressure air spontaneous combustion room, road sidewall is arranged spray in firing chamber, utilize the injection direction of the emitted dose control combustion interior flame of each directional nozzle.
Further, electric field is in generating peak period, and utilize providing auxiliary power amount to drive compressor generate high-pressure air and store, the high-pressure air pressure value of storage is 2.1 ~ 2.3Mpa; Electric field is in the generating low ebb phase, and utilize the high-pressure air stored to carry out combustion heating and generate the mixed gas that force value is 2.0Mpa, temperature is 500 ~ 650 DEG C, turbogenerator utilizes the mixed gas after combustion heating to carry out power generation operation; Preferably, electric field can be any one in wind power plant, thermal power generation field, water generating field.
Further, it is as follows that turbogenerator utilizes the mixed gas after combustion heating to carry out the concrete steps of power generation operation, the High Temperature High Pressure mixed gas that step S11, air heater flow out flows through air expander, High Temperature High Pressure mixed gas drives the annular cascade in air expander to rotate, and makes mixed gas decrease temperature and pressure and discharges; The energy discharged in gas decrease temperature and pressure process is converted to mechanical energy by driving annular cascade by step S21, air expander, and annular cascade is rotated by the rotor of reduction gear box band engine alternator; The rotor relative stator of step S31, synchronous generator rotates, and carries out power generation operation.
Further, that air expander is discharged, after decrease temperature and pressure mixed gas carries out heat exchange with the high-pressure air not entering air heater, preheats high-pressure air.
Further, pre-warmed concrete steps are carried out to high-pressure air as follows, step S101, utilize solar energy to heat fused-salt medium; Fused-salt medium after step S102, heating carries out heat exchange with the high-pressure air not entering air heater; Step S103, circulation step step S101 and step S102;
Preferably, time by day, utilize solar energy to heat fused-salt medium, the fused-salt medium after heating first carries out insulation and stores; When generating electricity low ebb, that store, after heating fused-salt medium is utilized to carry out heat exchange with the high-pressure air not entering air heater.
Further, the blend step of first via high-pressure air and fuel is as follows, and step S201, high-pressure air and fuel flow in the spherical shape mixing chamber of nozzle of air supply, produces and rotate whirlpool, to mix under the effect of spheroidal sidewall; The passage that step S202, mixed gas through holes footpath are narrowed gradually pressurizes, and spurts in firing chamber.
Another object of the present invention is to provide a kind of compressed air energy storage power generating system, to realize carrying out combustion heating to high-pressure air, the pressure high temperature hot gas generated after utilizing heating carries out the object of power generation operation.
For realizing goal of the invention, adopt following technological scheme:
A kind of compressed air energy storage power generating system, comprising: air heater, and air is carried out heating and generate high temperature and high pressure gas, air feed equipment, for air heater provides high-pressure air; For fuel apparatus, for air heater provides fuel; Power generating equipment, the high temperature and high pressure gas utilizing air heater to generate generates electricity;
Air feed equipment comprises the gas holder of storage pressurized gas; Gas holder is connected with the air inlet of combustion chamber of air heater through the first pipeline, thinks that firing chamber provides and helps combustion gas; Gas holder is connected with the directional nozzle arranged in firing chamber through the second pipeline, and the axis spontaneous combustion room sidewall of directional nozzle extends to the axial direction of firing chamber, with the direction of control combustion Indoor Combustion flame; Mixing chamber is connected with the outlet side of firing chamber, generates high temperature and high pressure gas and flow in mixing chamber after making the pressurized gas in firing chamber and combustion gas carry out combustion heating; Gas holder is connected with the mixing chamber of air heater through the 3rd pipeline, that discharged firing chamber, after combustion heating high temperature and high pressure gas flows into the 3rd pipeline, unburned high-pressure air mixes mutually, to regulate the gas pressure and the temperature that flow out air heater from mixing chamber.
Further, described power generating equipment is made up of turbogenerator; The mixing chamber air outlet of air heater is connected with turbogenerator by the road, carries out power generation operation so that the high temperature formed in mixing chamber mixing pressurized gas is passed to turbogenerator place.
Further, compressed air energy storage power generating system also comprises an air preheater; Described air preheater comprises two passages that are separate, that can carry out heat exchange, and first passage two ends are connected with air heater suction port with air feed equipment respectively; Second channel is connected with power generating equipment relief opening.
Further, in the second pipeline and/or the 3rd pipeline, unburned high-pressure air first flows through after first passage carries out heat exchange heating, then in flowing in combustion chamber.
Further, a fuel charging-tank is comprised for fuel apparatus; Fuel charging-tank is connected with the suction port of firing chamber through the first fuel supply pipe, enters the firing chamber of air heat-transmission device after fuel is mixed with high-pressure air; Fuel charging-tank is connected with the burner arranged in firing chamber through the second fuel supply pipe.Preferably, the inflammable gas stored in fuel charging-tank is LNG Liquefied natural gas (LNG).
Further, air heater is made up of a tank body, and the two ends in tank interior space are respectively equipped with firing chamber and mixing chamber, and firing chamber is connected with the close side of mixing chamber; Firing chamber is front end away from one end of mixing chamber, and this end is provided with the nozzle of air supply be connected with the first pipeline; The sidewall of firing chamber is provided with at least one row directional nozzle, and each directional nozzle is connected with the second pipeline respectively.
Further, the sidewall of firing chamber is arranged arranged along tank body axis at intervals by multiple row, adjustment flame direction, firing chamber, the directional nozzle that flows into for pressurized gas; Often row directional nozzle at least comprises three directional nozzles, and each directional nozzle often arranged is distributed on the same transverse section of tank body; The each directional nozzle axes intersect often arranged is in same point; The each directional nozzle axes intersect at least arranged near rear end, firing chamber one is in tank body axis place, and the flame making firing chamber spray into mixing chamber sprays along tank body axial direction.
Further, the relatively residing transverse section of the axis of at least one row directional nozzle is obliquely installed to mixing chamber direction.
Further, be provided with in burner as combustion gas and high-pressure air provide the burner of incendiary source; Preferably, described burner is made up of large compression ignite burner; Preferred large compression ignite burner is provided with flame detector further; Large compression ignite burner is also provided with blowing cleaner.
Further, chamber front end is provided with a nozzle of air supply, and nozzle of air supply is extra quality mixing nozzle; The mixed construction that described extra quality mixing nozzle is arranged by a nozzle tip, nozzle tip and the first suction port be connected with mixed construction and the second suction port; First suction port is connected with the first pipeline, flows into for high-pressure air; Second suction port is connected with the first supply lines, flows into for fuel.
Adopt technique scheme, the present invention is compared with the advantage of prior art:
1, by said apparatus and method, make air heater can utilize high-pressure air simultaneously as the adjustment air-flow of combustion-supporting gas, the control air-flow controlling flame direction and adjustment mixed gas operating mode, reach the object that a gas is multiplex.Thus, the equipment of whole air heating system is simplified, meanwhile, utilizes the mode of heating of air heater also comparatively stable, reliable;
2, by arrange an air preheater by the waste gas after generating with preheat air and carry out heat exchange, reach the recycling to preheating in waste gas, realize the secondary of heat energy and utilize; Meanwhile, reduce thermal losses, decrease pollution to environment, reach the object of energy-saving and emission-reduction;
3, be mixed with the mixed gas of air and fuel gas in the ejection of nozzle of air supply place, mixed gas is directly sprayed in firing chamber, the ignition mechanism effect arranged in firing chamber forms flame, to heat gas, generates high temperature and high pressure gas;
4, on the second same transverse section of sidewall, high-pressure air spontaneous combustion room, road, angle is uniform at equal intervals each directional nozzle place is to inject high pressure air in firing chamber, with the injection direction of control combustion interior flame, the flame in firing chamber is made to spray into mixing chamber along firing chamber axial direction;
5, utilize the preheating in solar energy or generating waste gas to preheat the high-pressure air not carrying out combustion heating, to reduce the loss to fuel energy in power generation process, reduce the pollution to environment;
Meanwhile, structure of the present invention is simple, method succinct, Be very effective, is suitable for promoting the use of.
Accompanying drawing explanation
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 firing chamber cross-sectional configuration schematic diagram of air heater in one embodiment of the invention;
Fig. 7 is the firing chamber cross-sectional configuration schematic diagram of air heater in another embodiment of the present invention;
Fig. 8 is the firing 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 assembly sketch of heat exchange structure in one embodiment of the invention;
Figure 12 is the assembly 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 turbogenerator in the present invention;
Figure 17 is the structural representation of barring gear in the present invention;
Figure 18 is the linkage structure schematic diagram of air preheater in an embodiment in the present invention;
Figure 19 is A place, the tank skin transverse section structure for amplifying schematic diagram of holding vessel in the present invention.
Primary component illustrates: 1-gas holder, 2-air heater, 3-turbogenerator, 4-air preheater, 5-exhaust pipe, 6-fuel charging-tank, 7-solar thermal collector, 8-holding vessel, 9-two-position three-way valve, 10-throttling arrangement, 11-the first pipeline, 12-the second pipeline, 13-the three pipeline, 14-the first fuel supply pipe, 15-the second fuel supply pipe, 16-kinetic pump, 21-firing chamber, 22-mixing chamber, 23-nozzle of air supply, 24-directional nozzle, 25-burner, 231-outlet nozzle, 232-the first suction port, 233-the second suction port, 234-mixing chamber, 241-sleeve pipe, 242-big opening end, 243-osculum end, 31-ventilation duct, 32-air expander, 33-reduction gear box, 34-barring gear, 35-synchronous generator, 311-inlet end, 312-outlet side, 321-output shaft, 321-output shaft, 322-annular cascade, 331-high speed shaft, 332-lower velocity 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-the second interface pipeline, 48-the three interface pipeline, 49-the four interface pipeline, 410-heat exchange structure, 411-housing, 412-shell fragment, 51-sheet metal, 52-thermal insulating material, 53-heat-preservation cotton.
Embodiment
Below in conjunction with embodiment, the present invention is described in more detail.
As shown in Figure 1, invention describes a kind of compressed air energy storage power generating system, comprising: air heater 2, air is carried out heating and generate high temperature and high pressure gas; Air feed equipment, for air heater 2 provides high-pressure air; For fuel apparatus, for air heater 2 provides fuel; Power generating equipment, the high temperature and high pressure gas utilizing air heater 2 to generate generates electricity.
In the present invention, the air feed equipment of compressed air energy storage power generating system comprises the gas holder 1 of storage pressurized gas.The force value of high-pressure air is 2.1 ~ 2.3Mpa.Comprise the fuel charging-tank 6 of a storage by inflammable gas for fuel apparatus, the inflammable gas stored can be: rock gas, coal gas etc.
As shown in Figure 1 or 2, the air heater 2 in the present invention is made up of an airtight tank body, and the two ends in tank interior space are respectively equipped with firing chamber 21 and mixing chamber 22, and firing chamber 21 is connected with the close side of mixing chamber 22.Heat for high-pressure air and gas fuel burning in firing chamber, enter firing chamber 21 combustion for mixed combustion gas and high-pressure air; Mixed gas after burning is mixed the temperature to regulate air heater outlet place gas by mixing chamber 22 with unburned pressurized gas.
As depicted in figs. 1 and 2, gas holder 1 Jing San Road pipeline is connected with air heater 2 respectively; Gas holder 1 is connected with the nozzle of air supply 23 arranged in the firing chamber 21 of air heater 2 through the first pipeline 11, to help combustion gas as firing chamber 21 combustion; Gas holder 1 is connected with the directional nozzle 24 arranged in firing chamber 21 through the second pipeline 12, and axis spontaneous combustion room 21 sidewall of directional nozzle 24 extends to suction port axial direction, with the direction of control combustion room 21 combustion flame; Gas holder 1 is connected with the mixing chamber 22 of air heater 2 through the 3rd pipeline 13, the nozzle of air supply 23 of mixing chamber 22 front end is connected with the air outlet of rear end, firing chamber 21, with firing chamber 21 is discharged, gas after burning flows into the 3rd pipeline 13, unburned air mixes mutually, with regulate air heater 2 the pressure of generation gas and temperature.
Fuel charging-tank 6 through the first fuel supply pipe 14 with in the firing chamber 21 of air heater 2 in the nozzle of air supply 23 that arranges be connected, enter the firing chamber 21 of air heat-transmission device after fuel is mixed with high-pressure air; Fuel charging-tank 6 is connected with the burner 25 arranged in firing chamber 21 through the second fuel supply pipe 15, and described burner 25 provides incendiary source for the inflammable gas in firing chamber and combustion-supporting air.Preferably, the inflammable gas stored in fuel charging-tank is LNG Liquefied natural gas (LNG).
Utilize above-mentioned power generation system to carry out a method for compressed-air energy storage generating, it comprises: high-pressure air and fuel are carried out burning and generates high pressure mixed gas, utilizes high pressure mixed gas to carry out power generation operation;
The concrete steps of carrying out burning at high-pressure air are as follows,
Step S1: spray into air heater 2 from nozzle of air supply 23 after first via high-pressure air and fuel mix; Meanwhile, the second road high-pressure air sprays to nozzle of air supply 23 axial direction everywhere along the sidewall of air heater 2 firing chamber 21, and the flame in firing chamber 21 is sprayed along firing chamber 21 axial direction;
Gas and vapor permeation after heating in step S2: the three road high-pressure air and air heater 2 heating flame room 21, the mixed gas that generation force value is 2.0Mpa, temperature is 500 ~ 650 DEG C, carries out power generation operation for power generating equipment.
By said apparatus and method, make air heater 2 can utilize high-pressure air simultaneously as the adjustment air-flow of combustion-supporting gas, the control air-flow controlling flame direction and adjustment mixed gas operating mode, reach the object that a gas is multiplex.Thus, the equipment of whole air heating system is simplified, meanwhile, utilizes the mode of heating of air heater 2 also comparatively stable, reliable.
In the present invention, electric field is in generating peak period, and utilize providing auxiliary power amount to drive compressor generate high-pressure air and store, the high-pressure air pressure value of storage is 2.1 ~ 2.3Mpa; Electric field is in the generating low ebb phase, and utilize the high-pressure air stored to carry out combustion heating and generate the mixed gas that force value is 2.0Mpa, temperature is 500 ~ 650 DEG C, turbogenerator utilizes the mixed gas after combustion heating to carry out power generation operation.Preferably, electric field can be any one in wind power plant, thermal power generation field, water generating field; Preferred further, electric field is wind power plant.Thus, overcome the larger problem of wind power plant generating fluctuating range, make the generated output of wind power plant be that comparatively level and smooth, a stable numerical value exports.
Embodiment one
As shown in Figure 1, in the present embodiment, compressed air energy storage power generating system also comprises an air preheater 4.Described air preheater 4 comprises separate, that can carry out heat exchange two passages, first passage 41 and second channel 42.The two ends of first passage 41 are connected with the nozzle of air supply 23 of air heater 2 with the air outlet of reservoir tank 1 respectively, formerly flow through first passage 41 to make the air heated without air heater 2; Second channel 42 is connected with the suction port of exhaust pipe 5 with the relief opening of power generating equipment respectively, flows in second channel 42 to have made gas after power generation operation, that have uniform temperature.Because first passage 41 and second channel 42 contact, gas in first passage 41 and second channel 42 is made to carry out heat exchange, the gas after generating electricity and unburned high-pressure air is made to carry out heat exchange, to preheat the pressurized gas before inflow air heater 2.
As shown in Figure 1, need to flow through air preheater 4 before the high-pressure air in the 3rd pipeline 13 enters air heater 2; In advance the 3rd road high-pressure air is preheated through air preheater 4, make the temperature of high-pressure air be heated to 190 DEG C by 30 DEG C ~ 80 DEG C.
As shown in Figure 2, all need to flow through air preheater 4 before the high-pressure air in the second pipeline 12 and the high-pressure air in the 3rd pipeline 13 enter air heater 2; Through air preheater 4 in advance to second and the 3rd road high-pressure air preheat, make the temperature of high-pressure air be heated to 190 DEG C by 30 DEG C ~ 80 DEG C.
By arrange an air preheater by the waste gas after generating with preheat air and carry out heat exchange, reach and the secondary of heat energy utilized; Meanwhile, reduce thermal losses, decrease pollution to environment, reach the object of energy-saving and emission-reduction.
Embodiment two
As shown in Fig. 9 to Figure 13, in the present embodiment, described air preheater 4 comprises and stacks at a distance of the sheet material 40 of certain interval the heat exchange structure 410 taken and put and form by polylith; The relative dual-side of every block sheet material 40 upwards bends, and matches form the passage that supplied gas flows through with the sheet material 40 on its top; Adjacent sheet metal 40 is arranged alternately in length and breadth, the first passage 41 forming cross setting and the second channel 42 longitudinally arranged.
As shown in figure 11, every block sheet material 40 is the rectangular plate of same shape; Every block sheet material 40 comprises a pair transverse sides 43 and a pair vertical side 44 respectively; The transverse sides 43 of adjacent sheet metal 40 and vertical side 44 are alternately to upper bending.The side upper end portion that upwards bends of every block sheet material 40 contacts with the bottom surface of its top sheet material 40 respectively and is welded and fixed.Clearance distance between adjacent sheet metal 40 is not more than 50mm.
Preferably, as shown in figure 12, every block sheet material 40 is provided with many convex tendons 45, and convex tendon 45 parallels with the upwards bending side of this sheet material 40, equal altitudes is arranged, and the passage that this sheet material 40 and its top sheet material 40 are formed is divided into multiple parallel micro passage by described convex tendon 45.Thus, make the air-flow in first passage 41 and second channel 42 can be distributed to passage uniformly everywhere under the effect of convex tendon 45, reach the effect of air-flow even wind in the channel.
In the present embodiment, the rectangular plate that sheet material 40 is not waited by long and short limit is formed; The comparatively long side of each laminate material 40 and shorter lateral sides alternately to upper bending, to form heat exchange structure 410.The comparatively long side of rectangular plate is transverse sides 43, and shorter lateral sides is vertical side 44, makes first passage 41 width of cross setting be less than second channel 42 width longitudinally arranged.
As shown in Figure 9, in the present embodiment, described air preheater 4 also comprises a housing 411, and housing 411 forms a chamber vertically installed for heat exchange structure 410, and four sidewalls of chamber are connected to the interface pipeline to chamber extension.
First interface pipeline 46 and the second interface pipeline 47 along first passage 41 direction respectively to the horizontal expansion of chamber both sides, the width setting equal to the width of first passage 41 of first interface pipeline 46 and the second interface pipeline 47; 3rd interface pipeline 48 and the 4th interface pipeline 49 vertically extend along second channel 42 direction respectively to chamber both sides, the width setting equal to the width of second channel 42 of the 3rd interface pipeline 48 and the 4th interface pipeline 49.
Plane residing for the connecting end of first interface pipeline 46 and the second interface pipeline 47 and chamber exists together with the two ends of first passage 41 plane respectively; The correspondence of corresponding sheet material 40 upwards bends vertical side 44 and to coexist a plane; Plane residing for the connecting end of the 3rd interface pipeline 48 and the 4th interface pipeline 49 and chamber exists together with the two ends with second channel 42 plane respectively; The correspondence of corresponding sheet material 40 upwards bends transverse sides 43 and to coexist a plane.Thus, first passage 41 and second channel 42 are mutually separated under the effect of housing 411, becomes independent closed passage; Meanwhile, make sheet material 40 not upwards bend side protrude be located in corresponding interface pipeline, to make each several part of the flow channel of gas uniform.
As shown in figure 13, in the present embodiment, between adjacent two convex tendons 45 of every block sheet material 40, be respectively equipped with shell fragment 412; One side of shell fragment 412 and the convex tendon 45 of respective side are fixedly connected, the unsettled setting of opposite side.The upper end of shell fragment 412 does not exceed the height setting of convex tendon 45, and shell fragment 412 is connected with the middle part of convex tendon 45, and the micro passage of correspondence is separated by shell fragment.Thus when airflow passes micro passage, shell fragment is driven by stream pressure and resiliently deformable occurs, and to adjust the air-flow velocity flowing through heat exchanger, reaches the object of voltage stabilizing.
In the present embodiment, described shell fragment 412 tilts backwards setting along the airflow direction in micro passage; The width of shell fragment 412 equals the width of corresponding micro passage, and shell fragment 412 is γ with the angle of convex tendon 45,60 degree of > γ > 5 degree.
Preferably, only shell fragment 412 is set in each micro passage of the first passage 41 for non-heated air flowing, to slow down the flow velocity of non-heated air in first passage 41, improves preheat efficiency.
Embodiment three
As shown in figure 18, in the present embodiment, described air preheater 4 comprises two passages that are separate, that can carry out heat exchange, and first passage 41 two ends are connected with air heater suction port with air feed equipment respectively; Second channel 42 two ends are connected to form the circulation canal flowed for fused-salt medium respectively with solar thermal collector 7.
The two ends of second channel 42 are connected with the outlet of solar thermal collector 7 through water influent pipeline respectively, through being connected of import of fluid pipeline and solar thermal collector 7; Described water influent pipeline and fluid pipeline are respectively equipped with the control valve of pilot line passage.
Preferably, as shown in figure 18, in the present embodiment, water influent pipeline is provided with two-position three-way valve 9, three openings of two-position three-way valve 9 export with solar thermal collector 7 respectively, second channel 42 is connected with power generating equipment 3 relief opening, second channel 42 are exported or power generating equipment 3 relief opening is connected with solar thermal collector 7; Fluid pipeline is provided with two-position three-way valve 9, and three openings of two-position three-way valve 9 are connected with exhaust pipe 5 suction port with solar thermal collector 7 import, second channel 42 respectively, and second channel 42 is connected with solar thermal collector 7 import or exhaust pipe 5 suction port.
Thus, under the control of two two-position three-way valves, second channel 42 two ends of air preheater 4 are connected with solar thermal collector 7 respectively, form the runner of fused-salt medium, for the high-pressure air heat exchange flowed through in high-temperature molten salt medium and first passage 41, reach the object to the air preheat of unburned heating high-pressure; Or after making to flow through power generation operation in the second channel 42 of air preheater 4, containing the waste gas had surplus heat, for the high-pressure air heat exchange flowed through in waste gas and first passage 41, reach the object to the air preheat of unburned heating high-pressure.
By said apparatus, make the preheating of high-pressure air to carry out collection heating by waste heat contained in waste gas or to utilize solar energy to heat, and switching is comparatively convenient, quick mutually.
In the present embodiment, water influent pipeline is provided with holding vessel 8, and the import of holding vessel 8 is connected with the outlet of solar thermal collector, the pipeline of the outlet of holding vessel 8 through being provided with two-position three-way valve 9 is connected with second channel 42; The temperature transducer detecting fused-salt medium temperature is provided with in holding vessel 8.Water influent pipeline is provided with throttling arrangement 10, and described throttling arrangement 10 is located on the pipeline that two-position three-way valve 9 is connected with holding vessel 8.Fluid pipeline is provided with kinetic pump 16, and described kinetic pump 16 is located on the pipeline that the two-position three-way valve 9 on fluid pipeline is connected with solar thermal collector 7; And the flow direction that kinetic pump 16 acts on fused-salt medium in lower pipeline is, solar thermal collector 7 to throttling arrangement 10 to air preheater 4 to kinetic pump 16 is back to solar thermal collector 7 again.
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, at a distance of certain interval between two sheet metals 51, is filled with the thermal insulating material 52 be made up of phenol formaldehyde foam in gap; Outer layer metal sheet material 51 outer side covers is equipped with by heat-preservation cotton 53.Thus, make holding vessel 8 have sandwich heat preservation layer, and fill in sandwich heat preservation layer by heat insulation material; Meanwhile, also cover in outermost and heat-preservation cotton is set, make the heat insulation effect of holding vessel better.
In the present embodiment, pre-warmed concrete steps are carried out to high-pressure air as follows,
Step S101, solar energy is utilized to heat fused-salt medium;
Fused-salt medium after step S102, heating carries out heat exchange with the high-pressure air not entering air heater;
Step S103, circulation step step S101 and step S102;
Preferably, time by day, utilize solar energy to heat fused-salt medium, the fused-salt medium after heating first carries out insulation and stores; When generating electricity low ebb, that store, after heating fused-salt medium is utilized to carry out heat exchange with the high-pressure air not entering air heater.
Embodiment four
As shown in the figures 1 and 2, in the present embodiment, air heater 2 is made up of a tank body, and the two ends in tank interior space are respectively equipped with firing chamber 21 and mixing chamber 22, and firing chamber 21 is connected with the close side of mixing chamber 22, and this side is the rear side of firing chamber 21; Firing chamber 21 is front end away from one end of mixing chamber 22, and this end is provided with the nozzle of air supply 23 be connected with the first pipeline 11, enters firing chamber combustion heating for mixed combustion gas and high-pressure air.Preferably, firing chamber 21 and mixing chamber 22 are coaxially arranged; Preferred further, firing chamber 21 and mixing chamber 22 are all coaxially arranged with tank body, and the transverse section of firing chamber 21 and mixing chamber 22 is rounded respectively.
As shown in Fig. 3 to 5, in the present embodiment, firing chamber 21 front bulkhead is provided with a nozzle of air supply 23, and nozzle of air supply 23 is extra quality mixing nozzle; The mixed construction that described extra quality mixing nozzle is arranged by a nozzle tip 231, nozzle tip and the first suction port 232 and the second suction port 233 of being connected with mixed construction; First suction port 232 is connected with the first pipeline 11, flows into for high-pressure air; Second suction port 233 is connected with the first fuel supply conduit 14, flows into for fuel.
Thus be mixed with the mixed gas of air and fuel gas in the ejection of nozzle of air supply 23 place, make mixed gas directly spray in firing chamber 21, the ignition mechanism effect arranged in firing chamber 21 forms flame, to heat gas, generate high temperature and high pressure gas.
Preferably, as shown in figure 14, in the present embodiment, the mixed construction of nozzle of air supply 23 comprises a mixing chamber 234, and mixing chamber 234 is in spherical shape; Two, the side gas-entered passageway of spherical shape mixing chamber 234 is connected with the second suction port 233 with the first suction port 232 respectively, relative opposite side is connected with nozzle tip 231 through an outlet passageway.Two gas-entered passageways are connected with the upper and lower of mixing chamber 234 respectively, and outlet passageway is connected with the middle part of mixing chamber 234.
Due to, flow into high-pressure air in mixing chamber 234 and combustible gas from the first suction port 232 and the second suction port 233, formed in spherical shape mixing chamber 234 and easily form whirlpool, the mixability of high-pressure air and combustible gas can be improved.
In the present embodiment, the caliber of outlet passageway narrows to nozzle tip 231 direction gradually from mixing chamber 234, sprays into firing chamber after making the pressurized gas in inflow mixing chamber 234 and combustion gas mixing from nozzle tip 231 place.
In the present embodiment, the blend step of first via high-pressure air and fuel is as follows,
Step S201, high-pressure air and fuel flow in the spherical shape mixing chamber of nozzle of air supply, produce and rotate whirlpool, to mix under the effect of spheroidal sidewall;
The passage that step S202, mixed gas through holes footpath are narrowed gradually pressurizes, and spurts in firing chamber.
Embodiment five
As shown in Figures 3 to 8, in the present embodiment, the sidewall of firing chamber 21 is arranged arranged along tank body axis at intervals by multiple row, adjustment flame direction, firing chamber 21, for pressurized gas flow into directional nozzle 24; Each directional nozzle 24 is all connected with the second pipeline 12, to make the second road high-pressure air in each directional nozzle 24 flowing in combustion chamber 21, reaches the object utilizing the high-pressure air control combustion interior flame as combustion-supporting gas to flow to.
In the present embodiment, each directional nozzle 24 axes intersect at least arranged near rear end one, firing chamber 21 is in tank body axis place, the flame making firing chamber 21 spray into mixing chamber sprays along tank body axial direction, avoids mixing chamber 22 Flame injection direction to offset causing gaseous state in mixing chamber 22 to differ the generation of situation.
As shown in Fig. 3 to 5, in the present embodiment, the transverse section of tank body can be arbitrary geometrical shapies such as circle, polygonal; The transverse section of preferred tank body is circular.Often row directional nozzle 24 at least comprises three directional nozzles 24; Preferably, as shown in Figure 6, often row directional nozzle 24 comprises four phase point places that four directional nozzles, 24, four directional nozzles 24 are in circular cross sections respectively.Often each directional nozzle 24 of row directional nozzle 24 is distributed on the same transverse section of firing chamber 21; Each directional nozzle 24 axes intersect often arranged is in same point.
Pass through said apparatus, the pressurized gas of ejection in each directional nozzle 24 are sprayed along the axis of nozzle, make the flame profile in firing chamber be out of shape under the control of each nozzle institute inject high pressure gas, be reached through the object of directional nozzle 24 control combustion room 21 flame.
As shown in Figure 3, in the present embodiment, nozzle of air supply 23 can be located at the center on front side of firing chamber 21, nozzle of air supply 23 extends along the axial direction of tank body, spurts in mixing chamber 22 after making the high-pressure air in flowing in combustion chamber 21 and combustion gas mixing along tank body axis.The axis of each directional nozzle 24 extends along the axial direction of corresponding circular cross sections, the intersection point of often row directional nozzle 24 axis is all on the axis of tank body, firing chamber 21 flame is sprayed along tank body axial direction all the time; Meanwhile, the flame sprayed on rear side of firing chamber 21 in mixing chamber 22 is still sprayed into along tank body axial direction.
As shown in Figure 4, in the present embodiment, the front end, axis spontaneous combustion room 21 of each row directional nozzle 24 can be obliquely installed in direction to the back-end.Preferably, the two ends, spontaneous combustion room 21, angle of inclination of each row directional nozzle 24 are to third side to increasing gradually; Preferred further, the shaft angle degree near the respective column directional nozzle 24 of rear and front end, firing chamber 21 is 0.Thus the pressurized gas making directional nozzle 24 spray can produce the Driving force of flowing on rear side of firing chamber 21 to the flame in firing chamber 21.Such as: as shown in Figure 4, firing chamber 21 equal intervals be placed with six row directional nozzles 24, be followed successively by rear end by front end, firing chamber 21: first row directional nozzle, secondary series directional nozzle, the 3rd row directional nozzle, the 4th row directional nozzle, the 5th row directional nozzle and the 6th row directional nozzle; Wherein the angle of inclination of first row corresponding transverse section relative to the axis of the 6th row directional nozzle is 0; The angle of inclination of secondary series corresponding transverse section relative to the axis of the 5th row directional nozzle is α; The angle of inclination of the 3rd row corresponding transverse section relative to the axis of the 4th row directional nozzle is β.Preferably, described α < β; Preferred further, α is 10 degree, and β is 20 degree.
When directional nozzle 24 is located at the center on front side of firing chamber 21, the mounting point of each row directional nozzle 24 can be as shown in Figure 6, four directional nozzles 24 are located at respectively four phase point places of circular cross sections, the directional nozzle 24 axis horizontal-extending respectively at two ends, left and right, directional nozzle 24 axis at upper and lower two ends vertically extends respectively, makes the axes intersect point of each directional nozzle 24 often arranged be in tank body axis place
In the present embodiment, under the effect of the second road high-pressure air, the flame in firing chamber sprays along the axial direction of firing chamber all the time.Multiple directional nozzles that second high-pressure air spontaneous combustion room, road sidewall is arranged spray in firing chamber, utilize the injection direction of the emitted dose control combustion interior flame of each directional nozzle.
Embodiment six
As shown in Figure 5, in the present embodiment, nozzle of air supply 23 can also be located at the close upper end on front side of firing chamber 21, nozzle of air supply 23 extends along paralleling direction with tank body axis.The front end, intersection point spontaneous combustion room 21 of each row directional nozzle 24 axis reduces height to the back-end successively, is in tank body axis place to each directional nozzle 24 crossing point of axes near rear end one, firing chamber 21 row.Thus the front end, flame spontaneous combustion room 21 in control combustion room 21 is to the back-end along direction of arrow flowing as shown in Figure 7, and the flame making rear end, spontaneous combustion room 21 spray in mixing chamber 22 still sprays along tank body axial direction.
As shown in Figure 5, in the present embodiment, if set up system of coordinates with the vertical direction that the axial direction of tank body is x-axis, cross nozzle of air supply for y-axis, the injection parabola of flame meets following rule in the coordinate system:
x＝vt,y＝gt
2/2。
Wherein, v is the gas flow rate entered by nozzle of air supply in firing chamber; T is the entry time of gas in nozzle of air supply flowing in combustion chamber; G is gravity accleration 9.8m/s
2.
When directional nozzle 24 is located at the close upper end on front side of firing chamber 21, the mounting point of each row directional nozzle 24 can be as shown in Figure 7, four directional nozzles 24 are located at respectively four phase point places of circular cross sections, directional nozzle 24 axis of the left and right sides, respectively to surface thereof, makes the intersection point of four directional nozzles 24 be in the corresponding flame spray line shown in Fig. 5;
Can also be as shown in Figure 8, two directional nozzles 24 in each row directional nozzle 24 are located at respectively the place of phase point up and down of circular cross sections, two other directional nozzle 24 is located at the left and right sides of the corresponding flame spray line crosspoint shown in this transverse section with Fig. 5 respectively.Upper and lower two directional nozzles 24 are arranged along the radial direction of circular cross sections, vertical direction; Two directional nozzles 24 in left and right are arranged in the horizontal direction.
In the present embodiment, under the effect of the second road high-pressure air, the flame in firing chamber sprays along level and smooth recession curve, and sprays into mixing chamber along firing chamber axial direction.Multiple directional nozzles that second high-pressure air spontaneous combustion room, road sidewall is arranged spray in firing chamber, utilize the injection direction of the emitted dose control combustion 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 this nozzle is narrowed gradually by caliber is formed, and Large Diameter Pipeline end is connected with the second pipeline 12, pipe with small pipe diameter end is in firing chamber; Directional nozzle 24 is fixedly installed on the sidewall of firing chamber 21.The aperture of each directional nozzle 24 is narrowed from inside to outside gradually, with increase the pressure of injection air.
Thus, make each directional nozzle 24 high-pressure air can be spurted in firing chamber 21, for the flame in firing chamber 21 provides combustion-supporting air; Can also the shape of control combustion room 21 Flame, the flame that firing chamber 21 is spurted in mixing chamber 22 sprays into along tank body axial direction.
As shown in figure 15, in the present embodiment, the pipeline forming directional nozzle 24 is made up of telescopic tube, and the sleeve pipe 241 that described telescopic tube is set with connection successively by more piece is formed, and the internal diameter of each joint sleeve pipe 241 successively decreases from the inside to the outside successively.
In the present embodiment, the internal diameter of each joint sleeve pipe 241 narrows gradually, and big opening end 242 external diameter of each joint sleeve pipe 241 is not less than osculum end 243 internal diameter of outside adjacent casing 241; And the outer side wall of big opening end 242 of each joint sleeve pipe 241 and the madial wall of osculum end 243 are equipped with screw thread, make the big opening end 242 of each joint sleeve pipe 241 be threaded fixing mutually with the osculum end 243 of outside adjacent casing 241.
By being made up of telescopic tube by directional nozzle, so that adjust the length of each directional nozzle 24 in firing chamber 21 according to the charge flow rate in firing chamber, avoid that gas gross in firing chamber is less, the generation of the low situation of combustion efficiency; Meanwhile, avoid that directional nozzle distance flame is comparatively far away, control accuracy is lower, makes the generation of firing chamber Flame drift condition.
Preferably, the internal diameter of each joint sleeve pipe 241 narrows all gradually; Osculum end 243 internal diameter of each joint sleeve pipe 241 equals big opening end 242 external diameter of inner side adjacent casing 241; Big opening end 242 external diameter of each joint sleeve pipe 241 equals osculum end 243 internal diameter of outside adjacent casing 241.Further preferred, big opening end 242 and osculum end 243 internal diameter of each joint sleeve pipe 241 wait large setting, respectively so that arrange screw thread.
In the present embodiment, each directional nozzle 24 controls the solenoid valve that corresponding directional nozzle 24 sprays flow velocity with the pipeline that the second pipeline 12 is connected is respectively equipped with; High temperature camera is provided with, to monitor in real time the flame in firing chamber in firing chamber; Control unit according to monitor data, can adjust the solenoid valve aperture of each directional nozzle 24, and the flame injection direction in firing chamber according to demand, can be sprayed along desired trajectory.
Embodiment eight
In the present embodiment, described power generating equipment is made up of turbogenerator 3; Mixing chamber 22 air outlet of air heater 2 is connected with turbogenerator 3 by the road, carries out power generation operation so that the high temperature mixing pressurized gas formed in mixing chamber 22 is passed to turbogenerator 3 place.
As shown in figure 16, described turbogenerator 3 comprises, for the air expander 32 that the ventilation duct 31 of pressurized gas flowing is installed, the output shaft 321 of air expander 32 is coaxially connected with high speed shaft 331 one end of reduction gear box 33, the other end of high speed shaft 331 is connected with barring gear 34, the train of reduction gears of high speed shaft 331 in reduction gear box 33 is meshed with lower velocity shaft 332 transmission, and the lower velocity shaft 332 of described reduction gear box 33 is connected with the rotor coaxial of synchronous generator 35; The inlet end of ventilation duct 31 is connected with air heater 2, and outlet side is connected with exhaust pipe 5.
Be provided with air expander 32 in ventilation duct 31, air expander 32 comprises the annular cascade 322 be located in ventilation duct 31.The center of described annular cascade 322 is provided with output shaft 321, and output shaft 321 passes ventilation duct 31 and is coaxially connected with the high speed shaft 331 of reduction gear box 33; Preferably, the output shaft 321 of air expander 32 is wholely set with the high speed shaft 331 of reduction gear box 33.
The L-shaped setting of ventilation duct 31, the horizontal ends of ventilation duct 31 is inlet end 311, and vertically end is outlet side 312; The output shaft 321 of air expander 32 passes from the corner of " L " shape ventilation duct, and the axis of annular cascade 322 and the horizontal inlet end 311 of " L " shape ventilation duct 31 are coaxially arranged; Preferably, the outlet side 312 of ventilation duct 31 is arranged straight up.
Reduction gear box 33 comprises housing, and the two ends of housing 333 are respectively equipped with the high speed shaft 331 and lower velocity shaft 332 that parallel setting, are provided with train of reduction gears in housing 333; Train of reduction gears at least comprises the input end gear 334 fixed with high speed shaft 331 and the gear of output end 335 fixed with lower velocity shaft 332, and input end gear 334 and gear of output end 335 are directly or be meshed through at least one driving gear.
The two ends of high speed shaft 331 pass housing 333 two side respectively, and the first end of high speed shaft 331 stretches into the input shaft 321 that ventilation duct 31 forms air expander 32, and the second end and the barring gear 34 of high speed shaft 331 are fixedly connected.As shown in figure 17, described barring gear 34 comprises the circular sheet material 341 be coaxially connected and fixed with high speed shaft 331, uniform by many convex tendons 342 on a side of circular sheet material 341, and each convex tendon 342 extends along the radial direction of sheet material from the center of circular sheet material 341.Second end of high speed shaft 331 is provided with the shaft part that the diameter of axle diminishes, and the sidewall of shaft part is provided with spline; The middle part of circular sheet material 341 is provided with the splined hole 343 passed for this shaft part; The shaft part part passing splined hole 343 is provided with pin-and-hole, and in pin-and-hole, plug is fixed with bearing pin 344, high speed shaft 331 and barring gear 34 is fixedly connected.The housing 333 that one end of lower velocity shaft 332 passes retarder 33 is connected with the rotor coaxial of synchronous generator 35.
In the present embodiment, it is as follows that turbogenerator utilizes the mixed gas after combustion heating to carry out the concrete steps of power generation operation,
The High Temperature High Pressure mixed gas that step S11, air heater flow out flows through air expander, and High Temperature High Pressure mixed gas drives the annular cascade in air expander to rotate, and makes mixed gas decrease temperature and pressure and discharges;
The energy discharged in gas decrease temperature and pressure process is converted to mechanical energy by driving annular cascade by step S21, air expander, and annular cascade is rotated by the rotor of reduction gear box band engine alternator;
The rotor relative stator of step S31, synchronous generator rotates, and carries out power generation operation.
In the present embodiment, that air expander is discharged, after decrease temperature and pressure mixed gas carries out heat exchange with the high-pressure air not entering air heater, preheats high-pressure air.
Embodiment in above-described embodiment can combine further or replace; and embodiment is described the preferred embodiments of the present invention; not the spirit and scope of the present invention are limited; under the prerequisite not departing from design philosophy of the present invention; the various changes and modifications that in related domain, professional and technical personnel makes technological scheme of the present invention, all belong to protection scope of the present invention.
Claims (10)
1. a compressed-air energy storage electricity-generating method, it comprises: high-pressure air and fuel are carried out combustion heating and generates High Temperature High Pressure mixed gas, utilizes High Temperature High Pressure mixed gas to carry out power generation operation;
It is characterized in that: the concrete steps that high-pressure air carries out combustion heating are as follows,
Spray into the firing chamber of air heater after step S1, first via high-pressure air and fuel mix from nozzle of air supply, carry out combustion heating;
Step S2, the second road high-pressure air spray everywhere along the sidewall of air heater firing chamber in firing chamber, make firing chamber flame spurt into mixing chamber along firing chamber axial direction;
The gas that step S3, the 3rd road high-pressure air spray into after heating with auto-thermal room mixes in mixing chamber, and the mixed gas that generation force value is 2.0Mpa, temperature is 500 ~ 650 DEG C, carries out power generation operation for power generating equipment.
2. a kind of compressed-air energy storage electricity-generating method according to claim 1, it is characterized in that: preheat first via high-pressure air, the second road high-pressure air and the 3rd road high-pressure air in advance, the temperature before making high-pressure air enter air heater is heated to 190 DEG C by 30 DEG C ~ 80 DEG C.
3. a kind of compressed-air energy storage electricity-generating method according to claim 1, it is characterized in that: under the effect of the second road high-pressure air, the flame in firing chamber sprays along the axial direction of firing chamber all the time.
4. a kind of compressed-air energy storage electricity-generating method according to claim 1, is characterized in that: under the effect of the second road high-pressure air, and the flame in firing chamber sprays along level and smooth recession curve, and sprays into mixing chamber along firing chamber axial direction.
5. a kind of compressed-air energy storage electricity-generating method according to claim 3 or 4, it is characterized in that: multiple directional nozzles that the second high-pressure air spontaneous combustion room, road sidewall is arranged spray in firing chamber, utilize the injection direction of the emitted dose control combustion interior flame of each directional nozzle.
6. according to the arbitrary described a kind of compressed-air energy storage electricity-generating method of claim 1 to 5, it is characterized in that: electric field is in generating peak period, utilize providing auxiliary power amount to drive compressor generate high-pressure air and store, the high-pressure air pressure value of storage is 2.1 ~ 2.3Mpa;
Electric field is in the generating low ebb phase, and utilize the high-pressure air stored to carry out combustion heating and generate the mixed gas that force value is 2.0Mpa, temperature is 500 ~ 650 DEG C, turbogenerator utilizes the mixed gas after combustion heating to carry out power generation operation;
Preferably, electric field can be any one in wind power plant, thermal power generation field, water generating field.
7. a kind of compressed-air energy storage electricity-generating method according to claim 6, is characterized in that: it is as follows that turbogenerator utilizes the mixed gas after combustion heating to carry out the concrete steps of power generation operation,
The High Temperature High Pressure mixed gas that step S11, air heater flow out flows through air expander, and High Temperature High Pressure mixed gas drives the annular cascade in air expander to rotate, and makes mixed gas decrease temperature and pressure and discharges;
The energy discharged in gas decrease temperature and pressure process is converted to mechanical energy by driving annular cascade by step S21, air expander, and annular cascade is rotated by the rotor of reduction gear box band engine alternator;
The rotor relative stator of step S31, synchronous generator rotates, and carries out power generation operation.
8. a kind of compressed-air energy storage electricity-generating method according to claim 7, is characterized in that: that air expander is discharged, after decrease temperature and pressure mixed gas carries out heat exchange with the high-pressure air not entering air heater, preheats high-pressure air.
9. according to the arbitrary described a kind of compressed-air energy storage electricity-generating method of claim 1 to 8, it is characterized in that: pre-warmed concrete steps are carried out to high-pressure air as follows,
Step S101, solar energy is utilized to heat fused-salt medium;
Fused-salt medium after step S102, heating carries out heat exchange with the high-pressure air not entering air heater;
Step S103, circulation step step S101 and step S102;
Preferably, time by day, utilize solar energy to heat fused-salt medium, the fused-salt medium after heating first carries out insulation and stores; When generating electricity low ebb, that store, after heating fused-salt medium is utilized to carry out heat exchange with the high-pressure air not entering air heater.
10., according to the arbitrary described a kind of compressed-air energy storage electricity-generating method of claim 1 to 9, it is characterized in that: the blend step of first via high-pressure air and fuel is as follows,
Step S201, high-pressure air and fuel flow in the spherical shape mixing chamber of nozzle of air supply, produce and rotate whirlpool, to mix under the effect of spheroidal sidewall;
The passage that step S202, mixed gas through holes footpath are narrowed gradually pressurizes, and spurts in firing chamber.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108779711A (en) * | 2016-03-10 | 2018-11-09 | 株式会社神户制钢所 | Compressed air stores power generator |
| CN114729600A (en) * | 2022-02-15 | 2022-07-08 | 烟台杰瑞石油装备技术有限公司 | Dual-fuel power system and gas supply purging method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US20050126176A1 (en) * | 2003-12-13 | 2005-06-16 | Paul Fletcher | Work extraction arrangement |
| 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 |
-
2015
- 2015-01-04 CN CN201510002235.9A patent/CN105317554B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US20050126176A1 (en) * | 2003-12-13 | 2005-06-16 | Paul Fletcher | Work extraction arrangement |
| 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 |
| 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 |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108779711A (en) * | 2016-03-10 | 2018-11-09 | 株式会社神户制钢所 | Compressed air stores power generator |
| CN114729600A (en) * | 2022-02-15 | 2022-07-08 | 烟台杰瑞石油装备技术有限公司 | Dual-fuel power system and gas supply purging method thereof |
| CN114729600B (en) * | 2022-02-15 | 2023-09-19 | 烟台杰瑞石油装备技术有限公司 | Dual-fuel power system and air supply purging method thereof |
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