CN205618209U - A synthesize air supply system for gas turbine test platform - Google Patents
A synthesize air supply system for gas turbine test platform Download PDFInfo
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- CN205618209U CN205618209U CN201620356746.0U CN201620356746U CN205618209U CN 205618209 U CN205618209 U CN 205618209U CN 201620356746 U CN201620356746 U CN 201620356746U CN 205618209 U CN205618209 U CN 205618209U
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Abstract
The utility model discloses a synthesize air supply system for gas turbine test platform, including motor, air compression subsystem, gas storage device, heat accumulator, air purification device, air expansion unit, generator and cooling water subsystem. The utility model discloses the structural integrity can realize compression process middle and low voltage, middling pressure and high -pressure compressed air air feed respectively, can realize surplus compressed air's storage, also can provide the air supply of different grade type for the test bench under the condition that does not start the air compression subsystem, can utilize time -of -use tariffs difference, storage compressed air when the trough offers the test bench in the different periods and uses, and surplus compressed air passes through air expansion unit acting electricity generation connected to the grid to improving energy efficiency, low running cost falls in the recycle section electric energy, at last can also retrieve compression heat and equipment frictional heat, offer the use of gas expansion acting stage or externally provide the heat source.
Description
Technical field
This utility model is a kind of comprehensive air supply system for test bench for gas turbine, belongs to industry gas turbine field.
Background technology
Air supply system is the important component part of test bench for gas turbine, especially possesses the test bench for gas turbine of Multiple Type test, more to parameter requests such as compressed-air actuated pressure and flows, generally cover and set cushion gas from low-pressure instrument gas to high-pressure high-flow, therefore, it is necessary to the air supply system of Erecting and improving could meet the total demand of test bench for gas turbine.
At present, the air supply system that the actual demand generally according to test bench for gas turbine builds two kinds simultaneously or two or more different parameters requires so that it is low-pressure low discharge source of the gas demand can either be mated, high-pressure high-flow source of the gas demand can be mated again.But, owing to air supply system construction is more complicated system engineering, comprise equipment and parts are numerous, completion time of project is long, fund input is big, and during gas turbine long term test, equipment operating cost is the highest, builds numerous different types of air supply system and construction funds invested and operational and administrative expenses can be made to be significantly increased.Accordingly, it would be desirable to a kind of the most rational comprehensive air supply system of structure of design so that it is meet test bench for gas turbine for different source of the gas type demands while, additionally it is possible to save the energy and efficiently utilize the energy.
Utility model content
For deficiency of the prior art, this utility model design is a kind of can comprehensively be supplied, can reclaim heat energy, structural integrity and multiple functional air supply system, can meet the demand of test bench for gas turbine, can recycle again partial heat energy.Simultaneously, in advance compressed air can also be stored in caisson when low power consumption, the compressed air of reduction regulation release different pressures when needing, it is supplied to test bench for gas turbine use, or when peak of power consumption by compressed air in can be converted into electric energy output, can supply with classification while output, accomplish the efficient utilization of the energy.
To achieve these goals, this utility model is to realize by the following technical solutions:
A kind of comprehensive air supply system for test bench for gas turbine, including motor, air compression subsystem, caisson, air cleaner, air expansion unit, electromotor and cooling water subsystem；Motor drives air compression subsystem that surrounding air is compressed into low pressure, medium and high pressure compressed air, and low-voltage and medium voltage compressed air can export respectively to caisson and air cleaner, and high pressure air is directly output to caisson；Compressed air in caisson can export respectively to air cleaner and air expansion unit；Air cleaner exports respectively to testing stand after low pressure, medium and high pressure compressed air purifying, filtration；Air expansion unit is connected with generator drive gear, and compressed air enters the acting generating of air expansion unit, can export to air cleaner simultaneously, and tail gas is in discharge pipe line enters air；Cooling water subsystem includes water storage device and water pump, exports cooling water to air compression subsystem and air expansion unit respectively under the effect of water pump.
Further, also include thermophore, cool down for carrying out the compressed air in air compression subsystem absorbing heat, the compressed air in air expansion unit heated, to cooling down the heat absorption cooling before water carries out return water storage device from air compression subsystem and air expansion unit output and providing thermal source, described thermophore to be the thermally insulated container that inside is filled with heat transferring medium to external heat source user.
Further, described air compression subsystem includes the centrifugal compressor units of arranged in series and piston type compressed unit, described centrifugal compressor units is multilevel hierarchy, described piston type compressed unit includes medium and high pressure piston compressor, surrounding air is compressed into low-pressure compressed air by described centrifugal compressor units, low-pressure compressed air can export to middle pressure piston compressor after thermophore heat absorption cooling respectively, caisson and air cleaner, the middle pressure compressed air of middle pressure piston compressor output can export respectively to high pressure piston compressor after thermophore heat absorption cooling, caisson and air cleaner, the high pressure air of high pressure piston compressor output is directly output to caisson after thermophore heat absorption cooling.
Further, the first low pressure buffer tank it is provided with between described centrifugal compressor units and piston type compressed unit, low-pressure compressed air first exports to the first low pressure buffer tank after thermophore heat absorption cooling, then exports respectively to middle pressure piston compressor, caisson and air cleaner from the first low pressure buffer tank.
Further, in described caisson, the compressed air of output can export after the first pressure regulator valve pressure regulation to air cleaner and be eventually fed testing stand use, or exports after the second pressure regulator valve pressure regulation to the acting generating of air expansion unit.
Further, described air expansion unit includes multi-staged air decompressor, compressed air exports to air cleaner and next stage air expander after upper level air expander expansion work respectively, compressed air heats through thermophore before entering next stage air expander, enters air from the compressed air of afterbody air expander output.
Further, the compressed air through thermophore heating is entering before next stage air expander through the 3rd pressure regulator valve pressure regulation, to mate next stage air expander intake condition.
Further, described discharge pipe line is provided with silencing means.
Further, the second low pressure buffer tank, middle pressure surge tank and high-pressure buffering pot the exhaust line of air cleaner have been arranged in parallel
This utility model has the advantages that
1. native system structural integrity, is a comprehensive air supply system, it is provided that the clean gas source that different parameters requires, it is possible to meet the test bench for gas turbine demand for dissimilar source of the gas.
2. native system can realize compression process mesolow, medium and high pressure compressed air supplies respectively, and supplies respectively between air expanders at different levels during gas expansion for doing work, improves the utilization rate of equipment.
3. native system can realize the storage of margin compression air, according to the real needs of test bench for gas turbine, in the case of not starting air compression subsystem, also is able to provide different types of source of the gas into testing stand by the first pressure regulator valve regulation.
4. native system can utilize time-of-use tariffs difference, storing compressed air when trough, be then supplied to testing stand at different periods and use, margin compression air can be connected to the grid by the acting generating of air expansion unit, thus improving energy utilization rate, recovery section electric energy cuts operating costs.
5. native system can reclaim the heat of compression and equipment frictional heat, it is provided that uses to the gas expansion for doing work stage or externally provides thermal source.
Accompanying drawing explanation
Fig. 1 is workflow diagram of the present utility model；
In figure: 1-power supply grid, 2-motor, 3-centrifugal compressor units, 4-the first low pressure buffer tank, the piston type compressed unit of 5-, 6-presses piston compressor, 7-high pressure piston compressor, 8-thermophore, 9-caisson, 10-the first pressure regulator valve, 11-air cleaner, 12-the second low pressure buffer tank, 13-presses surge tank, 14-high-pressure buffering pot, 15-testing stand, 16-the second pressure regulator valve, 17-air expansion unit, 18-air expander, 19-the 3rd pressure regulator valve, 20-silencing means, 21-electromotor, 22-generates electricity electrical network, 23-external heat source user, 24-water storage device, 25-water pump；
1 '-air inlet pipeline, 2 '-the first low-pressure line, 3 '-the second low-pressure line, 4 '-the three low-pressure line, pressure pipeline in 5 '-the first, pressure pipeline in 6 '-the second, pressure pipeline in 7 '-the three, 8 '-high pressure line, 9 '-gas storage export pipeline, 10 '-air expansion unit admission line, 11 '-air expander admission line, 12 '-air expander exhaust line, 13 '-discharge pipe line, 14 '-the first coolant outlet hose lines, 15 '-the second coolant outlet hose lines, 16 '-CWR line.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with detailed description of the invention, this utility model is expanded on further.
Refer to Fig. 1, a kind of technical scheme of this utility model offer:
A kind of comprehensive air supply system for test bench for gas turbine, including motor 2, air compression subsystem, caisson 9, air cleaner 11, air expansion unit 17, electromotor 21 and cooling water subsystem；Power supply grid 1 provides power supply to motor 2, motor 2 drives air compression subsystem that after air inlet pipeline 1 ' sucks, surrounding air is compressed into low pressure, medium and high pressure compressed air, low-voltage and medium voltage compressed air can export to caisson 9 and air cleaner 11 respectively, and high pressure air is directly output to caisson 9；Compressed air in caisson 9 can export to air cleaner 11 and air expansion unit 17 respectively, and it can store low pressure, medium and high pressure compressed air, and caisson 9 can be high-pressure bottle or cavern；Air cleaner 11 exports to testing stand 15 after low pressure, medium and high pressure compressed air purifying, filtration respectively, it includes low pressure purge assembly, middle pressure purification assembly and high pressure purge assembly, internal distribution low pressure, three kinds of different pipelines of medium and high pressure, for removing the impurity such as water in compressed air, oil, purification style does not limit molecular sieve adsorption type and mechanical filter formula；Air expansion unit 17 is in transmission connection with electromotor 21, compressed air exports respectively to air cleaner 11 after entering air expansion unit 17 acting generating and enters in air through discharge pipe line 13 ', and the electric energy that compressed air expansion work sends is exported in generating electrical network 22 by electromotor 21；Cooling water subsystem includes water storage device 24 and water pump 25, water storage device 24 can be underground tank or hermetic container, water pump 25 can be one or more, its structure does not limit axial-flow type, mixed-flow or centrifugal pump one or more combination therein, respectively cooling water is exported along two-way under the effect of water pump 25, one curb the first coolant outlet hose line 14 ' output is used for cooling down to air compression subsystem, the output of another curb the second coolant outlet hose line 15 ' is used for cooling down to air expansion unit 17, it is introduced into thermophore 8 from the cooling water of air compression subsystem and air expansion unit 17 output and carries out heat exchange (i.e. cooling down), water storage device 24 is returned again along CWR line 16 '.
A kind of comprehensive air supply system for test bench for gas turbine of the present utility model also includes thermophore 8, described thermophore 8 is the internal thermally insulated container being filled with heat transferring medium, and thermophore 8 cools down for carrying out the compressed air in air compression subsystem absorbing heat, heats the compressed air in air expansion unit 17, to cooling down the heat absorption cooling before water carries out return water storage device 24 from air compression subsystem and air expansion unit 17 output and providing thermal source to external heat source user 23.The heat energy (including the air heat of compression and equipment frictional heat) produced in air compression subsystem work process stores in thermophore 8 by heat exchange, for for participating in the compressed air heating of expansion work and externally providing thermal source.
Described air compression subsystem includes centrifugal compressor units 3 and the piston type compressed unit 5 of arranged in series, centrifugal compressor units 3 and piston type compressed unit 5 are driven by a motor 2 respectively, centrifugal compressor units 3 is multilevel hierarchy, the present embodiment only illustrates 2 grades, surrounding air reaches low-pressure gas source requirement needed for system after 2 grades of compressions, and described piston type compressed unit 5 includes middle pressure piston compressor 6 and the high pressure piston compressor 7 being cascaded.Surrounding air is compressed into low-pressure compressed air by described centrifugal compressor units 3, low-pressure compressed air is segmented into three road air-flows after the first low-pressure line 2 ' enters thermophore 8 heat absorption cooling, one tunnel exports to middle pressure piston compressor 6, another road second low-pressure line 3 ' exports to caisson 9, and last Lu Jing tri-low-pressure line 4 ' exports to air cleaner 11.The low-pressure compressed air of entrance is compressed into middle pressure compressed air by middle pressure piston compressor 6 further, the middle pressure compressed air of its output can also be divided into three road air-flows after pressure pipeline 5 ' in first enters thermophore 8 heat absorption cooling, one tunnel exports to high pressure piston compressor 7, in another road second, pressure pipeline 6 ' exports to caisson 9, and in last Lu Jing tri-, pressure pipeline 7 ' exports to air cleaner 11.The middle pressure compressed air entered is compressed into high pressure air by high pressure piston compressor 7 further, the high pressure air of its output is directly output to caisson 9 after high pressure line 8 ' enters thermophore 8 heat absorption cooling, and exports to air cleaner 11 through gas storage export pipeline 9 ' from caisson 9.In the 3rd low-pressure line 4 ' and the 3rd, pressure pipeline 7 ' is designed with pressure regulator valve and effusion meter, is used for regulating low-voltage and medium voltage compressed air parameter.Described low pressure, medium and high pressure compressed air are fully contacted heat exchange with the heat transferring medium in thermophore, the heat of compression are stored in thermophore.
Air compression subsystem can realize classification supply, and when having only to low-pressure gas source, piston type compressed unit 5 does not runs, and low-pressure compressed air only exports to air cleaner 11 along the 3rd low-pressure line 4 '；When two kinds of sources of the gas of needs low-voltage and medium voltage, high pressure piston compressor 7 exports to air cleaner 11 without load running, low-pressure compressed air and middle pressure compressed air difference pressure pipeline 7 ' along the 3rd low-pressure line 4 ' and the 3rd；When having only to middle pressurized air source, high pressure piston compressor 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 pressure pipeline 7 ' along the 3rd exports to air cleaner 11；When having only to high-pressure air source, low-pressure compressed air fully enters middle pressure piston compressor 6, the middle pressure compressed air produced fully enters high pressure piston compressor 7, the high pressure air produced exports to caisson 9, and exports to air cleaner 11 through gas storage export pipeline 9 ' from caisson 9；When two kinds of sources of the gas of needs medium and high pressure, low-pressure compressed air fully enters middle pressure piston compressor 6, the middle pressure compressed air produced is partly in high pressure piston compressor 7 generation high pressure air, and another part pressure pipeline 7 ' along the 3rd exports to air cleaner 11；When needs low pressure and two kinds of sources of the gas of high pressure, a low-pressure compressed air part exports to air cleaner 11 along the 3rd low-pressure line 4 ', another part enters into middle pressure piston compressor 6, and the middle pressure compressed air of generation is all introduced in high pressure piston compressor 7.
For stabilizing low voltage compressed air, the first low pressure buffer tank 4 it is provided with between centrifugal compressor units 3 and piston type compressed unit 5, low-pressure compressed air first exports to the first low pressure buffer tank 4 after the first low-pressure line 2 ' enters thermophore 8 cooling, then exports respectively to middle pressure piston compressor 6, caisson 9 and air cleaner 11 from the first low pressure buffer tank 4.
In described caisson 9, the compressed air of output is divided into two-way, one tunnel exports to air cleaner 11 through gas storage export pipeline 9 ', gas storage export pipeline 9 ' is provided with the first pressure regulator valve 10, pressure regulation by the first pressure regulator valve 10, it is embodied as test bench for gas turbine and the compressed air of different pressures grade is provided, another road exports to air expansion unit 17 through air expansion unit admission line 10 ', air expansion unit admission line 10 ' is provided with the second pressure regulator valve 16, for regulating compressed air parameter, it is made to match with the intake condition of the first order air expander in air expansion unit 17.Owing to native system being provided with caisson 9, therefore can supply to testing stand in the case of not starting air compression subsystem according to the actual demand of testing stand.
Air expansion unit 17 includes being in series by multi-staged air decompressor 18, and the present embodiment only illustrates quarternary structure.Compressed air enters into expansion work in first order air expander 18 along air expansion unit admission line 10 ', expand two pipeline outputs of tailing edge, one curb air expander admission line 11 ' enters in next stage air expander 18 after thermophore 8 is heated, and another curb air expander exhaust line 12 ' exports to air cleaner 11.Air expander admission line 11 ' is provided with the 3rd pressure regulator valve 19, is used for regulating compressed air parameter so that it is the intake condition of air expanders 18 at different levels matches with air expansion unit 17.Air expander exhaust line 12 ' is also equipped with pressure regulator valve and effusion meter, for regulating the compressed air parameter entered in air cleaner 11.Compressed air on the exhaust line 12 ' of first three grade of air expander 18 can control the compressed air parameter to air cleaner 11 output respectively by pressure regulator valve, such that it is able to improve the utilization rate of equipment.Enter air from the compressed air of fourth stage air expander 18 output along discharge pipe line 13 ', for the noise produced when eliminating discharges compressed air, discharge pipe line 13 ' is provided with silencing means.
In order to stablize the compressed air of each rank, being arranged in parallel the second low pressure buffer tank 12, middle pressure surge tank 13 and high-pressure buffering pot 14 on the exhaust line of air cleaner 11, the second low pressure buffer tank 12, middle pressure surge tank 13 connect with the low pressure purge assembly in air cleaner 11, middle pressure purification assembly and high pressure purge assembly respectively with high-pressure buffering pot 14.
A kind of comprehensive air supply system structural integrity for test bench for gas turbine of this utility model, is a comprehensive air supply system, it is provided that the clean gas source that different parameters requires, it is possible to meet the test bench for gas turbine demand for dissimilar source of the gas.Time-of-use tariffs difference can be utilized simultaneously, storing compressed air when trough, be then supplied to testing stand at different periods and use, margin compression air can be connected to the grid by the acting generating of air expansion unit, thus improving energy utilization rate, recovery section electric energy cuts operating costs.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described, to those skilled in the art, obviously this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (9)
1. the comprehensive air supply system for test bench for gas turbine, it is characterised in that:
Including motor, air compression subsystem, caisson, air cleaner, air expansion unit, electromotor and cooling water subsystem；
Motor drives air compression subsystem that surrounding air is compressed into low pressure, medium and high pressure compressed air, low-voltage and medium voltage compressed air can export respectively to caisson and air cleaner, high pressure air is directly output to caisson, it is achieved classification supplies；
Compressed air in caisson can export respectively to air cleaner and air expansion unit；
Air cleaner exports respectively to testing stand after low pressure, medium and high pressure compressed air purifying, filtration；
Air expansion unit is connected with generator drive gear, and compressed air enters the acting generating of air expansion unit and can export to air cleaner simultaneously, and tail gas is in discharge pipe line enters air；
Cooling water subsystem includes water storage device and water pump, exports cooling water to air compression subsystem and air expansion unit respectively under the effect of water pump.
A kind of comprehensive air supply system for test bench for gas turbine the most according to claim 1, it is characterized in that: also include thermophore, cool down for carrying out the compressed air in air compression subsystem absorbing heat, the compressed air in air expansion unit heated, to cooling down the heat absorption cooling before water carries out return water storage device from air compression subsystem and air expansion unit output and providing thermal source, described thermophore to be the thermally insulated container that inside is filled with heat transferring medium to external heat source user.
nullA kind of comprehensive air supply system for test bench for gas turbine the most according to claim 2，It is characterized in that: described air compression subsystem includes the centrifugal compressor units of arranged in series and piston type compressed unit，Described centrifugal compressor units is multilevel hierarchy，Described piston type compressed unit includes medium and high pressure piston compressor，Surrounding air is compressed into low-pressure compressed air by described centrifugal compressor units，Low-pressure compressed air can export respectively to middle pressure piston compressor after thermophore heat absorption cooling、Caisson and air cleaner，The middle pressure compressed air of middle pressure piston compressor output can export respectively to high pressure piston compressor after thermophore heat absorption cooling、Caisson and air cleaner，The high pressure air of high pressure piston compressor output is directly output to caisson after thermophore heat absorption cooling.
A kind of comprehensive air supply system for test bench for gas turbine the most according to claim 3, it is characterized in that: between described centrifugal compressor units and piston type compressed unit, be provided with the first low pressure buffer tank, low-pressure compressed air first exports to the first low pressure buffer tank after thermophore heat absorption cooling, then exports respectively to middle pressure piston compressor, caisson and air cleaner from the first low pressure buffer tank.
A kind of comprehensive air supply system for test bench for gas turbine the most according to claim 4, it is characterized in that: in described caisson, the compressed air of output can export after the first pressure regulator valve pressure regulation to air cleaner and be eventually fed testing stand use, or exports after the second pressure regulator valve pressure regulation to the acting generating of air expansion unit.
A kind of comprehensive air supply system for test bench for gas turbine the most according to claim 5, it is characterized in that: described air expansion unit is multilevel hierarchy, compressed air exports to air cleaner and next stage air expander after upper level air expander expansion work respectively, compressed air heats through thermophore before entering next stage air expander, enters air from the compressed air of afterbody air expander output.
A kind of comprehensive air supply system for test bench for gas turbine the most according to claim 6, it is characterized in that: entering before next stage air expander through the 3rd pressure regulator valve pressure regulation through the compressed air of thermophore heating, to mate next stage air expander intake condition.
A kind of comprehensive air supply system for test bench for gas turbine the most according to claim 7, it is characterised in that: on described discharge pipe line, silencing means is installed.
A kind of comprehensive air supply system for test bench for gas turbine the most according to claim 8, it is characterised in that: on the exhaust line of air cleaner, it has been arranged in parallel the second low pressure buffer tank, middle pressure surge tank and high-pressure buffering pot.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620356746.0U CN205618209U (en) | 2016-04-26 | 2016-04-26 | A synthesize air supply system for gas turbine test platform |
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| CN201620356746.0U CN205618209U (en) | 2016-04-26 | 2016-04-26 | A synthesize air supply system for gas turbine test platform |
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| CN205618209U true CN205618209U (en) | 2016-10-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756727A (en) * | 2016-04-26 | 2016-07-13 | 中科合肥微小型燃气轮机研究院有限责任公司 | Comprehensive gas source system for combustion gas turbine test bed |
| WO2018068431A1 (en) * | 2016-10-12 | 2018-04-19 | 李华玉 | Combined cycle steam power device having evaporation stages |
| CN112682296A (en) * | 2020-12-30 | 2021-04-20 | 中国核电工程有限公司 | Emergency power system for nuclear power plant and power system of nuclear power plant |
-
2016
- 2016-04-26 CN CN201620356746.0U patent/CN205618209U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756727A (en) * | 2016-04-26 | 2016-07-13 | 中科合肥微小型燃气轮机研究院有限责任公司 | Comprehensive gas source system for combustion gas turbine test bed |
| WO2018068431A1 (en) * | 2016-10-12 | 2018-04-19 | 李华玉 | Combined cycle steam power device having evaporation stages |
| CN112682296A (en) * | 2020-12-30 | 2021-04-20 | 中国核电工程有限公司 | Emergency power system for nuclear power plant and power system of nuclear power plant |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20161005 Effective date of abandoning: 20170915 |