CN105756727B - A kind of synthesis air supply system for test bench for gas turbine - Google Patents
A kind of synthesis air supply system for test bench for gas turbine Download PDFInfo
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- CN105756727B CN105756727B CN201610262960.4A CN201610262960A CN105756727B CN 105756727 B CN105756727 B CN 105756727B CN 201610262960 A CN201610262960 A CN 201610262960A CN 105756727 B CN105756727 B CN 105756727B
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- compressed air
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 16
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 52
- 238000004140 cleaning Methods 0.000 claims abstract description 41
- 238000007906 compression Methods 0.000 claims abstract description 37
- 230000006835 compression Effects 0.000 claims abstract description 35
- 239000000498 cooling water Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 17
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 230000033228 biological regulation Effects 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 230000030279 gene silencing Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 50
- 239000002826 coolant Substances 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/02—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of multiple-expansion type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of synthesis air supply system for test bench for gas turbine, including motor, air compression subsystem, caisson, storage heater, air cleaning unit, air expander group, generator and cooling water subsystem.Structural integrity of the present invention, it is possible to achieve compression process mesolow, medium and high pressure compressed air are supplied respectively；The storage of margin compression air can be realized, different types of source of the gas can be also provided in the case where not starting air compression subsystem for testing stand；Time-of-use tariffs difference can be utilized, compressed air is stored in trough, is supplied to testing stand to use in different periods, margin compression air is connected to the grid by the acting generating of air expander group, so as to improve energy utilization rate, recovery section electric energy cuts operating costs；The heat of compression and equipment frictional heat can also finally be reclaimed, and there is provided used to the gas expansion for doing work stage or externally provide thermal source.
Description
Technical field
The present invention is a kind of synthesis air supply system for test bench for gas turbine, belongs to industry gas turbine field.
Background technology
Air supply system is the important component of test bench for gas turbine, especially possesses the combustion for completing Multiple Type experiment
Gas-turbine testing stand, it is more to parameter requests such as the pressure and flow of compressed air, generally cover from low-pressure instrument gas
Cushion gas is set to high-pressure high-flow, therefore, it is necessary to which the air supply system of Erecting and improving could meet the total of test bench for gas turbine
Body demand.
At present, two kinds or two or more different parameters are built in the actual demand generally according to test bench for gas turbine simultaneously
It is required that air supply system, it is matched low-pressure low discharge source of the gas demand, high-pressure high-flow source of the gas can be matched again
Demand.But, because air supply system construction is more complicated system engineering, numerous comprising equipment and part, the completion time of project is long,
Fund input is big, and during gas turbine long term test, equipment operating cost is very high, builds numerous different types of gas
Source system can be significantly increased construction funds invested and operational and administrative expenses.Accordingly, it would be desirable to which it is more rational to design a kind of structure
Comprehensive air supply system, makes it while test bench for gas turbine is met for different source of the gas type demands, additionally it is possible to save
The energy and efficiently utilize the energy.
The content of the invention
For deficiency of the prior art, present invention design one kind can integrate supply, can reclaim heat energy, structural integrity
With multiple functional air supply system, the demand of test bench for gas turbine can be met, partial heat energy can be recycled again.Meanwhile,
Compressed air can also be stored into caisson in advance in low power consumption, it is necessary to when reduction regulation discharge different pressures
Compressed air to test bench for gas turbine there is provided using, or in peak of power consumption will to be converted into electric energy in compressed air defeated
Go out, supply can also be classified while output, accomplish the efficient utilization of the energy.
To achieve these goals, the present invention is to realize by the following technical solutions：
A kind of synthesis air supply system for test bench for gas turbine, including motor, air compression subsystem, gas storage dress
Put, air cleaning unit, air expander group, generator and cooling water subsystem；Motor drives air compression subsystem will
Surrounding air is compressed into low pressure, medium and high pressure compressed air, and low-pressure compressed air exports net to caisson and air respectively
Makeup is put, and middle pressure compressed air is exported to caisson and air cleaning unit respectively, and high pressure air is directly output to storage
Device of air；Compressed air in caisson is exported to air cleaning unit and air expander group respectively；Air cleaning unit
To respectively it be exported to testing stand after low pressure, medium and high pressure compressed air purifying, filtering；Air expander group and generator drive gear
Connection, compressed air air inlet expansion unit acting is generated electricity, while exporting to air cleaning unit, tail gas is arranged through discharge pipe line
Enter in air；Cooling down water subsystem includes water storage device and water pump, respectively exports cooling water to air in the presence of water pump
Compression subsystem and air expander group, in addition to storage heater, for being inhaled to the compressed air in air compression subsystem
Heat cools down, the compressed air in air expander group is heated, to defeated from air compression subsystem and air expander group
The cooling water gone out carries out the heat absorption cooling before return water storage device and provides thermal source to external heat source user, and the storage heater is interior
Portion is filled with the thermally insulated container of heat transferring medium.
Further, the air compression subsystem includes the centrifugal compressor units and piston compressor of arranged in series
Group, the centrifugal compressor units are multilevel hierarchy, and the piston type compressed unit includes medium and high pressure piston compressor,
Surrounding air is compressed into low-pressure compressed air by the centrifugal compressor units, and low-pressure compressed air is after storage heater heat absorption cooling
Export respectively to middle pressure piston compressor, caisson and air cleaning unit, the middle pressure of middle pressure piston compressor output
Compressed air is exported to high pressure piston compressor, caisson and air cleaning unit respectively after storage heater heat absorption cooling,
The high pressure air of high pressure piston compressor output is directly output to caisson after storage heater heat absorption cooling.
Further, the first low pressure buffer is provided between the centrifugal compressor units and piston type compressed unit
Tank, low-pressure compressed air is first exported to the first low pressure buffer tank after storage heater heat absorption cooling, then is divided from the first low pressure buffer tank
Do not export to middle pressure piston compressor, caisson and air cleaning unit.
Further, the compressed air exported in the caisson is exported to air cleaning after the first pressure regulator valve pressure regulation
Device is simultaneously eventually fed testing stand and used, or exports and generated electricity to the acting of air expander group after the second pressure regulator valve pressure regulation.
Further, the air expander group includes multi-staged air expanding machine, and compressed air expands from upper level air
Exported respectively after machine expansion work to air cleaning unit and next stage air expander, it is swollen that compressed air enters next stage air
Heated before swollen machine through storage heater, during the compressed air exported from afterbody air expander is discharged into air.
Further, the compressed air heated through storage heater is before next stage air expander is entered through the 3rd pressure regulator valve
Pressure regulation, to match next stage air expander intake condition.
Further, silencing means is installed on the discharge pipe line.
Further, the second low pressure buffer tank, middle pressure buffering have been arranged in parallel on the exhaust line of air cleaning unit
Tank and high-pressure buffering pot
The present invention has the advantages that：
1. the system structural integrity, is a comprehensive air supply system, can provide the clean gas source of different parameters requirement,
It disclosure satisfy that demand of the test bench for gas turbine for different type source of the gas.
2. the system can realize that compression process mesolow, medium and high pressure compressed air are supplied respectively, and gas is swollen
Supplied respectively between air expanders at different levels during swollen acting, improve the utilization rate of equipment.
3. the system can realize the storage of margin compression air, according to the real needs of test bench for gas turbine, not
In the case of starting air compression subsystem, different types of gas can be also provided for testing stand by the first pressure regulation valve regulation
Source.
4. the system can utilize time-of-use tariffs difference, compressed air is stored in trough, is then provided in different periods
Used to testing stand, margin compression air can be connected to the grid by the acting generating of air expander group, so as to improve energy profit
With rate, recovery section electric energy cuts operating costs.
5. the system can reclaim the heat of compression and equipment frictional heat, there is provided used or right to the gas expansion for doing work stage
Outer offer thermal source.
Brief description of the drawings
Fig. 1 is workflow diagram of the invention；
In figure：1- power supply grids, 2- motor, 3- centrifugal compressor units, 4- the first low pressure buffer tanks, 5- piston type pressures
Piston compressor, 7- high pressure piston compressors, 8- storage heaters, 9- caissons, the pressure regulation of 10- first are pressed in contracting unit, 6-
Press surge tank in valve, 11- air cleaning units, 12- the second low pressure buffer tanks, 13-, 14- high-pressure buffering pots, 15- testing stands,
The pressure regulator valves of 16- second, 17- air expander groups, 18- air expanders, the pressure regulator valves of 19- the 3rd, 20- silencing means, 21- generates electricity
Machine, 22- generating power networks, 23- external heat source users, 24- water storage devices, 25- water pumps；
1 '-air inlet pipeline, 2 '-the first low-pressure lines, 3 '-the second low-pressure lines, 4 '-the three low-pressure lines, 5 '-the
Pressure pipeline in one, pressure pipeline in 6 '-the second, pressure pipeline in 7 '-the three, 8 '-high pressure line, 9 '-gas storage export pipeline, 10 '-empty
Gas expands unit admission line, 11 '-air expander admission line, 12 '-air expander exhaust line, 13 '-delivery pipe
Line, 14 '-the first coolant outlet hose lines, 15 '-the second coolant outlet hose lines, 16 '-CWR line.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, is expanded on further the present invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：
A kind of synthesis air supply system for test bench for gas turbine, including motor 2, air compression subsystem, gas storage
Device 9, air cleaning unit 11, air expander group 17, generator 21 and cooling water subsystem；Power supply grid 1 is to motor 2
There is provided power supply, motor 2 drive air compression subsystem by surrounding air through air inlet pipeline 1 ' suck after be compressed into low pressure,
Medium and high pressure compressed air, low-voltage and medium voltage compressed air can be exported to caisson 9 and air cleaning unit 11 respectively,
High pressure air is directly output to caisson 9；Compressed air in caisson 9 can be exported respectively gives air cleaning dress
11 and air expander group 17 are put, it can store low pressure, medium and high pressure compressed air, caisson 9 can hold for high pressure
Device or cavern；Air cleaning unit 11 will be respectively exported to examination after low pressure, medium and high pressure compressed air purifying, filtering
Platform 15 is tested, it includes low pressure purge component, middle pressure purification assembly and high pressure purge component, inside distribution low pressure, medium and high pressure
Three kinds of different pipelines, for removing the impurity such as the water in compressed air, oil, purification style does not limit molecular sieve adsorption type and machinery
Filtering type；Air expander group 17 is connected with generator 21, after the expansion acting of unit 17 of compressed air air inlet generates electricity
Export to air cleaning unit 11 and be discharged into through discharge pipe line 13 ' in air respectively, generator 21 is by compressed air expansion work
The electric energy sent is output in generating power network 22；Cooling down water subsystem includes water storage device 24 and water pump 25, and water storage device 24 can
Think underground tank or closed container, water pump 25 can be one or more, and its structure does not limit axial-flow type, mixed-flow or centrifugation
The one or more combination therein of formula pump, respectively exports cooling water along two-way in the presence of water pump 25, a curb first
Coolant outlet hose line 14 ' is exported to be used to cool down to air compression subsystem, and another the second coolant outlet hose of curb line 15 ' is defeated
Go out is used to cool down to air expander group 17, and the cooling water exported from air compression subsystem and air expander group 17 is introduced into
Heat exchange (being cooled down) is carried out in storage heater 8, then water storage device 24 is returned along CWR line 16 '.
A kind of synthesis air supply system for test bench for gas turbine of the present invention also includes storage heater 8, the storage heater 8
For the internal thermally insulated container for being filled with heat transferring medium, storage heater 8 is used to inhale the compressed air in air compression subsystem
Heat cools down, the compressed air in air expander group 17 is heated, to from air compression subsystem and air expander group
The cooling water of 17 outputs return the heat absorption cooling before water storage device 24 and provides thermal source to external heat source user 23.Air pressure
The heat energy (including the air heat of compression and equipment frictional heat) produced during contracting subsystem work arrives storage heater 8 by the storage that exchanges heat
In, for heating and externally providing thermal source to participate in the compressed air of expansion work.
The air compression subsystem includes the centrifugal compressor units 3 and piston type compressed unit 5 of arranged in series, centrifugation
Formula compressor set 3 and piston type compressed unit 5 are driven by a motor 2 respectively, and centrifugal compressor units 3 are multilevel hierarchy, this
Embodiment only shows 2 grades, low-pressure gas source requirement, the piston compressor needed for surrounding air reaches system after being compressed through 2 grades
Group 5 includes the middle pressure piston compressor 6 and high pressure piston compressor 7 being cascaded.The centrifugal compressor units 3 will
Surrounding air is compressed into low-pressure compressed air, after low-pressure compressed air enters the heat absorption cooling of storage heater 8 through the first low-pressure line 2 '
Three road air-flows are segmented into, are exported all the way to middle pressure piston compressor 6, another the second low-pressure line of road 3 ' is exported to gas storage
Device 9, is finally exported to air cleaning unit 11 through the 3rd low-pressure line 4 ' all the way.It is middle to press piston compressor 6 by entrance
Low-pressure compressed air is further compressed into middle pressure compressed air, and its middle pressure compressed air exported enters through pressure pipeline 5 ' in first
It can also be divided into three road air-flows after the heat absorption cooling of storage heater 8, export all the way to high pressure piston compressor 7, another road second
Middle pressure pipeline 6 ' is exported to caisson 9, is finally exported all the way through pressure pipeline 7 ' in the 3rd to air cleaning unit 11.High pressure is lived
The middle pressure compressed air of entrance is further compressed into high pressure air by plug compressor 7, its high pressure air exported
Caisson 9 is directly output to after entering the heat absorption cooling of storage heater 8 through high pressure line 8 ', and it is defeated through gas storage from caisson 9
Go out pipeline 9 ' to export to air cleaning unit 11.Pressure pipeline 7 ' is designed with pressure regulator valve and stream in the 3rd low-pressure line 4 ' and the 3rd
Gauge, for adjusting low-voltage and medium voltage compressed air parameter.Changing in the low pressure, medium and high pressure compressed air and storage heater
The abundant contact heat-exchanging of thermal medium, by heat of compression storage into storage heater.
Air compression subsystem can realize classification supply, and when only needing to low-pressure gas source, piston type compressed unit 5 is not transported
OK, low-pressure compressed air is only exported to air cleaning unit 11 along the 3rd low-pressure line 4 '；When needing two kinds of gas of low-voltage and medium voltage
During source, high pressure piston compressor 7 is without load running, and low-pressure compressed air and middle pressure compressed air are respectively only along the 3rd low pressure
Pressure pipeline 7 ' is exported to air cleaning unit 11 in pipeline 4 ' and the 3rd；When only needing to middle pressurized air source, high pressure piston compression
Machine 7 is without load running, and low-pressure compressed air fully enters middle pressure piston compressor 6, and the middle pressure compressed air of generation is along the
Pressure pipeline 7 ' is exported to air cleaning unit 11 in three；When only needing to high-pressure air source, low-pressure compressed air fully enters middle pressure
Piston compressor 6, the middle pressure compressed air of generation fully enters high pressure piston compressor 7, the high pressure air of generation
Export to caisson 9, and exported from caisson 9 through gas storage export pipeline 9 ' to air cleaning unit 11；When in needs
When pressure and two kinds of sources of the gas of high pressure, low-pressure compressed air fully enters middle pressure piston compressor 6, the middle pressure compressed air one of generation
Part, which enters in high pressure piston compressor 7, produces high pressure air, and another part pressure pipeline 7 ' along along the 3rd is exported to sky
Air purifying apparatus 11；When needing two kinds of sources of the gas of low pressure and high pressure, a low-pressure compressed air part is defeated along the 3rd low-pressure line 4 '
Go out to air cleaning unit 11, another part enters middle pressure piston compressor 6, the middle pressure compressed air of generation is fully entered
Into high pressure piston compressor 7.
For stabilizing low voltage compressed air, first is provided between centrifugal compressor units 3 and piston type compressed unit 5
Low pressure buffer tank 4, low-pressure compressed air enters after storage heater 8 is cooled down through the first low-pressure line 2 ' first to be exported to the first low pressure buffer
Tank 4, then exported respectively to middle pressure piston compressor 6, caisson 9 and air cleaning unit 11 from the first low pressure buffer tank 4.
The compressed air exported in the caisson 9 is divided into two-way, is exported all the way through gas storage export pipeline 9 ' to air
Purifier 11, gas storage export pipeline 9 ' is provided with the first pressure regulator valve 10, by the pressure regulation of the first pressure regulator valve 10, is embodied as combustion gas
Turbine testing stand provides the compressed air of different pressures grade, and another road is exported to sky through air expander group admission line 10 '
Gas expands unit 17, and air expander group admission line 10 ' is provided with the second pressure regulator valve 16, for adjusting compressed air parameter, made
The intake condition of itself and the first order air expander in air expander group 17 matches.Due to being provided with gas storage in the system
Device 9, therefore can be supplied according to the actual demand of testing stand in the case where not starting air compression subsystem to testing stand
Gas.
Air expander group 17 includes being in series by multi-staged air expanding machine 18, and the present embodiment only shows quaternary structure.
Compressed air enters edge after expansion work in first order air expander 18, expansion along air expander group admission line 10 '
Two pipeline outputs, a curb air expander admission line 11 ' enters next stage air expander after being heated through storage heater 8
In 18, another curb air expander exhaust line 12 ' is exported to air cleaning unit 11.In air expander admission line
11 ' are provided with the 3rd pressure regulator valve 19, for adjusting compressed air parameter, it is expanded with air at different levels in air expander group 17
The intake condition of machine 18 matches.Pressure regulator valve and flowmeter are also equipped with air expander exhaust line 12 ', for adjusting
Compressed air parameter in air inlet purifier 11.Compression on the exhaust line 12 ' of preceding three-level air expander 18 is empty
Gas can control the compressed air parameter exported to air cleaning unit 11 respectively by pressure regulator valve, so as to improve equipment
Utilization rate.During the compressed air exported from fourth stage air expander 18 is discharged into air along discharge pipe line 13 ', in order to eliminate discharge
The noise produced during compressed air, is provided with silencing means on discharge pipe line 13 '.
In order to stablize the compressed air of each rank, second has been arranged in parallel on the exhaust line of air cleaning unit 11
Low pressure buffer tank 12, middle pressure surge tank 13 and high-pressure buffering pot 14, the second low pressure buffer tank 12, middle pressure surge tank 13 and high pressure are slow
Tank 14 is rushed to connect with the low pressure purge component in air cleaning unit 11, middle pressure purification assembly and high pressure purge component respectively.
A kind of synthesis air supply system structural integrity for test bench for gas turbine of the invention, is a comprehensive source of the gas system
System, can provide the clean gas source of different parameters requirement, disclosure satisfy that need of the test bench for gas turbine for different type source of the gas
Ask.Time-of-use tariffs difference can be utilized simultaneously, and compressed air is stored in trough, is then supplied to testing stand to make in different periods
With, margin compression air can be connected to the grid by the acting generating of air expander group, so that energy utilization rate is improved, recoverer
Electric energy is divided to cut operating costs.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, all should be by no matter from the point of view of which point
Embodiment regards exemplary as, and be it is nonrestrictive, the scope of the present invention by appended claims rather than on state
It is bright to limit, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (8)
1. a kind of synthesis air supply system for test bench for gas turbine, it is characterised in that：
Including motor, air compression subsystem, caisson, air cleaning unit, air expander group, generator and cooling
Water subsystem；
Motor drives air compression subsystem that surrounding air is compressed into low pressure, medium and high pressure compressed air, low pressure compression
Air is exported to caisson and air cleaning unit respectively, and middle pressure compressed air is exported to caisson and air cleaning respectively
Device, high pressure air is directly output to caisson, realizes classification supply；
Compressed air in caisson is exported to air cleaning unit and air expander group respectively；
Air cleaning unit will be respectively exported to testing stand after low pressure, medium and high pressure compressed air purifying, filtering；
Air expander group is connected with generator drive gear, and the expansion unit acting of compressed air air inlet generates electricity to be exported to sky simultaneously
Air purifying apparatus, tail gas is discharged into air through discharge pipe line；
Cooling down water subsystem includes water storage device and water pump, respectively exports cooling water in the presence of water pump and compresses son to air
System and air expander group；
Also include storage heater, for carrying out heat absorption cooling to the compressed air in air compression subsystem, to air expander group
In compressed air heated, to from air compression subsystem and air expander group output cooling water carry out return water storage
Heat absorption before device cools down and provides thermal source to external heat source user, and the storage heater is the internal thermal insulation for being filled with heat transferring medium
Container.
2. a kind of synthesis air supply system for test bench for gas turbine according to claim 1, it is characterised in that：It is described
Air compression subsystem includes the centrifugal compressor units and piston type compressed unit of arranged in series, the centrifugal compressor units
For multilevel hierarchy, the piston type compressed unit includes medium and high pressure piston compressor, and the centrifugal compressor units will
Surrounding air is compressed into low-pressure compressed air, and low-pressure compressed air is exported to middle pressure piston type respectively after storage heater heat absorption cooling
Compressor, caisson and air cleaning unit, the middle pressure compressed air of middle pressure piston compressor output are absorbed heat through storage heater
Exported respectively after cooling to high pressure piston compressor, caisson and air cleaning unit, the output of high pressure piston compressor
High pressure air through storage heater heat absorption cooling after be directly output to caisson.
3. a kind of synthesis air supply system for test bench for gas turbine according to claim 2, it is characterised in that：Institute
State and the first low pressure buffer tank is provided between centrifugal compressor units and piston type compressed unit, low-pressure compressed air is through storage heater
First exported to the first low pressure buffer tank after heat absorption cooling, then export piston type compressed to middle pressure respectively from the first low pressure buffer tank
Machine, caisson and air cleaning unit.
4. a kind of synthesis air supply system for test bench for gas turbine according to claim 3, it is characterised in that：It is described
The compressed air exported in caisson exports to air cleaning unit after the first pressure regulator valve pressure regulation and is eventually fed testing stand
Use, or export after the second pressure regulator valve pressure regulation and to be generated electricity to the acting of air expander group.
5. a kind of synthesis air supply system for test bench for gas turbine according to claim 4, it is characterised in that：It is described
Air expander group is multilevel hierarchy, and compressed air is exported to air cleaning respectively after upper level air expander expansion work
Device and next stage air expander, compressed air are heated before entering next stage air expander through storage heater, from last
The compressed air of level air expander output is discharged into air.
6. a kind of synthesis air supply system for test bench for gas turbine according to claim 5, it is characterised in that：Through storing
The compressed air of hot device heating before next stage air expander is entered through the 3rd pressure regulator valve pressure regulation, to match next stage air
Expander inlet parameter.
7. a kind of synthesis air supply system for test bench for gas turbine according to claim 6, it is characterised in that：Institute
State and silencing means is installed on discharge pipe line.
8. a kind of synthesis air supply system for test bench for gas turbine according to claim 7, it is characterised in that：In sky
The second low pressure buffer tank, middle pressure surge tank and high-pressure buffering pot have been arranged in parallel on the exhaust line of air purifying apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262960.4A CN105756727B (en) | 2016-04-26 | 2016-04-26 | A kind of synthesis air supply system for test bench for gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262960.4A CN105756727B (en) | 2016-04-26 | 2016-04-26 | A kind of synthesis air supply system for test bench for gas turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105756727A CN105756727A (en) | 2016-07-13 |
| CN105756727B true CN105756727B (en) | 2017-09-15 |
Family
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| CN114109777B (en) * | 2021-12-02 | 2022-06-24 | 广东鑫钻节能科技股份有限公司 | Electric energy management system for air compression station |
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| US7669423B2 (en) * | 2007-01-25 | 2010-03-02 | Michael Nakhamkin | Operating method for CAES plant using humidified air in a bottoming cycle expander |
| CN102052256B (en) * | 2009-11-09 | 2013-12-18 | 中国科学院工程热物理研究所 | Supercritical air energy storage system |
| DE102010050428A1 (en) * | 2010-11-04 | 2012-05-10 | Theo Tietjen | Pressure stage heat storage power plant or energy storage method for temporary storage of energy in the form of pressure energy in a compressible medium and in the form of heat energy |
| EP2691757B1 (en) * | 2011-03-29 | 2017-05-03 | Florida Turbine Technologies, Inc. | Apparatus and process for testing an industrial gas turbine engine and components thereof |
| CN102758689B (en) * | 2012-07-29 | 2015-03-04 | 中国科学院工程热物理研究所 | Ultra-supercritical air energy storage/release system |
| CN205618209U (en) * | 2016-04-26 | 2016-10-05 | 中科合肥微小型燃气轮机研究院有限责任公司 | A synthesize air supply system for gas turbine test platform |
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