CN110455547B - High-temperature and high-pressure test system for power machinery combustion chamber test - Google Patents
High-temperature and high-pressure test system for power machinery combustion chamber test Download PDFInfo
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- CN110455547B CN110455547B CN201910897508.9A CN201910897508A CN110455547B CN 110455547 B CN110455547 B CN 110455547B CN 201910897508 A CN201910897508 A CN 201910897508A CN 110455547 B CN110455547 B CN 110455547B
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- 238000012360 testing method Methods 0.000 title claims abstract description 161
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 83
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000001301 oxygen Substances 0.000 claims abstract description 58
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 58
- 239000007789 gas Substances 0.000 claims abstract description 32
- 238000005259 measurement Methods 0.000 claims abstract description 28
- 230000001502 supplementing effect Effects 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims description 47
- 230000000087 stabilizing effect Effects 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 19
- 230000003584 silencer Effects 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 14
- 238000004321 preservation Methods 0.000 claims description 10
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 53
- 239000003921 oil Substances 0.000 description 14
- 239000000446 fuel Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000306 component Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Testing Of Engines (AREA)
Abstract
The invention relates to a high-temperature high-pressure test system for a power machine combustion chamber test, which comprises a controllable high-pressure and low-pressure gas supply mechanism, a direct combustion heating mechanism, a mixing oxygen supplementing mechanism, a test section mechanism and an exhaust section mechanism, wherein the output end of the gas supply mechanism is connected with the input end of the direct combustion heating mechanism, the output end of the direct combustion heating mechanism is connected with the input end of the mixing oxygen supplementing mechanism, the output end of the mixing oxygen supplementing mechanism is connected with the input end of the test section mechanism, and the output end of the test section mechanism is connected with the input end of the exhaust section mechanism. The invention ensures the safe and stable air inlet parameters of the test, the accurate measurement of each system parameter and the reasonable acquisition of test data, and meets the requirement of environmental protection.
Description
Technical Field
The invention belongs to the field of combustion chamber tests of gas turbines, and particularly relates to a high-temperature and high-pressure test system for a power machine combustion chamber test.
Background
Currently, with the improvement of environmental protection requirements, the emission requirements of an aeroengine are gradually improved, a fuel nozzle is used as a core component of the aeroengine, the operation performance of the fuel nozzle directly influences indexes such as combustion efficiency, stable working range, outlet temperature distribution, emission performance and the like of a combustion chamber, in order to improve the power of the engine, the engine pressure ratio is gradually improved, and the fuel consumption rate is reduced, but the problem is that the inlet air temperature of the combustion chamber is improved, a higher challenge is provided for the heat protection of the nozzle, and the risk is brought to the safe operation of the whole engine, so that the heat protection test check of the nozzle in a high-temperature and high-pressure state is very important to the low-emission combustion chamber in the future. At present, only a fuel flow test system for a single nozzle and a fuel flow test system for a fuel manifold exist in China, and the fuel flow test systems are operated at normal temperature, and no high-temperature and high-pressure test system specially aiming at the nozzle exists.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a high-temperature and high-pressure test system for a power machine combustion chamber test.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the high-temperature high-pressure test system for the power machinery combustion chamber test comprises a controllable high-low pressure gas supply mechanism, a direct combustion heating mechanism, a mixing oxygen supplementing mechanism, a test section mechanism and an exhaust section mechanism, wherein the output end of the gas supply mechanism is connected with the input end of the direct combustion heating mechanism, the output end of the direct combustion heating mechanism is connected with the input end of the mixing oxygen supplementing mechanism, the output end of the mixing oxygen supplementing mechanism is connected with the input end of the test section mechanism, and the output end of the test section mechanism is connected with the input end of the exhaust section mechanism.
Preferably, the high-temperature and high-pressure test system for the combustion chamber test of the power machine is characterized in that the gas supply mechanism consists of a first-stage screw compression device and a second-stage reciprocating compression device which are arranged relatively independently,
the first-stage screw compression device is composed of an air filter, a low-pressure screw machine, a low-pressure stabilizing tank, a low-pressure safety valve, a silencer and a low-pressure regulating valve group, wherein the output end of the air filter is connected with the input end of the low-pressure screw machine, the output end of the low-pressure screw machine is connected with the input end of the low-pressure stabilizing tank, the low-pressure safety valve and the silencer are arranged on the low-pressure stabilizing tank, and the output end of the low-pressure stabilizing tank is connected with the input end of the low-pressure regulating valve group;
the second-stage reciprocating compression device is composed of a high-pressure switching valve, a supercharger, a high-pressure stabilizing tank, a high-pressure safety valve and a high-pressure regulating valve group, wherein the output end of the high-pressure switching valve is connected with the input end of the supercharger, the output end of the supercharger is connected with the input end of the high-pressure stabilizing tank, the high-pressure stabilizing tank is provided with the high-pressure safety valve and a silencer, and the output end of the high-pressure stabilizing tank is connected with the input end of the high-pressure regulating valve group;
and a heat exchanger is also communicated between the first-stage screw type compression device and the second-stage reciprocating type compression device, and a cooling tower is arranged on the heat exchanger.
Preferably, in the high-temperature and high-pressure test system for the power machine combustion chamber test, the output ends of the high-pressure regulating valve set and the low-pressure regulating valve set are connected with the input end of a first low flow meter, the output end of the first low flow meter is connected with the input end of a second low flow meter, the second low flow meter is connected with a low flow meter switching valve in parallel, and the output end of the second low flow meter is connected with a direct combustion heating mechanism.
Preferably, the direct combustion heating mechanism comprises an oil tank, an oil pump, a liquid flowmeter, a liquid flow regulating valve and a combustion chamber, wherein the output end of the oil tank is connected with the input end of the oil pump, the output end of the oil pump is connected with the input end of the liquid flowmeter, the output end of the liquid flowmeter is connected with the input end of the liquid flow regulating valve, the output end of the liquid flow regulating valve is connected with the input end of the combustion chamber, and the output end of the combustion chamber is connected with the input end of the mixing and oxygen supplementing mechanism.
Preferably, the high-temperature and high-pressure test system for the power machinery combustion chamber test is characterized in that the mixing and oxygen supplementing mechanism comprises an oxygen tank group, an oxygen pressure regulating valve, an oxygen flowmeter, a mixer and a heat preservation pipeline, wherein the input end of the mixer is connected with the output end of the combustion chamber, the oxygen inlet end of the mixer is connected with the output end of the oxygen tank group through the oxygen pressure regulating valve and the oxygen flowmeter, and the output end of the mixer is connected with the heat preservation pipeline and is communicated to the test section mechanism through the heat preservation pipeline.
Preferably, the high-temperature and high-pressure test system for the combustion chamber test of the power machine comprises a low-pressure test pipeline device and a high-pressure test pipeline device which are arranged independently, wherein,
the low-pressure test pipeline device comprises a low-pressure test section cut-off valve, a low-pressure forward air inlet section, a low-pressure test section, a low-pressure rear measuring section, a low-pressure water spray cooling section, a data acquisition and analysis system and a digital display and monitoring system, wherein the output end of the low-pressure test section cut-off valve is connected with the input end of the low-pressure forward air inlet section, the output end of the low-pressure forward air inlet section is connected with the input end of the low-pressure test section, the output end of the low-pressure rear measuring section is connected with the input end of the low-pressure water spray cooling section, the data output ends of the low-pressure forward air inlet section, the low-pressure test section and the low-pressure rear measuring section are connected with the input end of the data acquisition and analysis system, and the output end of the data acquisition and analysis system is connected with the input end of the display and monitoring system;
the high-pressure test pipeline device comprises a high-pressure test section cut-off valve, a high-pressure forward air inlet section, a high-pressure test section, a high-pressure rear measuring section, a high-pressure water spray cooling section, a data acquisition and analysis system and a digital display and monitoring system, wherein the output end of the high-pressure test section cut-off valve is connected with the input end of the high-pressure forward air inlet section, the output end of the high-pressure forward air inlet section is connected with the input end of the high-pressure test section, the output end of the high-pressure rear measuring section is connected with the input end of the high-pressure rear measuring section, the data output end of the high-pressure forward air inlet section, the high-pressure test section and the high-pressure rear measuring section is connected with the input end of the data acquisition and analysis system, and the output end of the data acquisition and analysis system is connected with the input end of the display and monitoring system.
Preferably, the high-temperature and high-pressure test system for the combustion chamber test of the power machine is characterized in that: the exhaust section mechanism comprises an outlet pressure control valve group, an exhaust gas passing through the exhaust tower and an exhaust silencer, wherein the input end of the outlet pressure control valve group is connected with the output end of the test section mechanism, the output end of the outlet pressure control valve group is connected with the input end of the exhaust gas passing through the exhaust tower, and the output end of the exhaust gas passing through the exhaust tower is connected with the input end of the exhaust silencer.
By means of the scheme, the invention has at least the following advantages:
1. the invention adopts a two-stage compression pressurization mode, and is provided with valve control, high-pressure and low-pressure tests can be switched, and the efficiency is improved.
2. The test equipment provided by the invention is higher in test precision and better in system stability aiming at a high-voltage test and a low-voltage test respectively.
3. The invention adopts a direct combustion heating mode, has higher heat exchange efficiency than indirect heat exchange and can provide higher temperature rise than an electric heater.
4. The invention comprises a high-pressure test section and a low-pressure test section, wherein the front measurement section ensures the feedback of required air inlet parameters, such as pressure, temperature, flow and the like, and the rear measurement section ensures the accuracy of the measured parameters.
5. The invention comprises the blending oxygen supplementing system, and can choose whether to adopt the oxygen supplementing system according to the test requirement, thereby keeping the possibility of reducing the complexity and the cost of the test and ensuring more accurate air inlet components.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic of the workflow of the present invention.
Wherein, each reference sign is as follows:
1. air filter 2 low-pressure screw machine
3. Low-pressure safety valve of low-pressure surge tank 4
5. Silencer 6 heat exchanger
7. High-pressure switching valve of cooling tower 8
9. High-pressure stabilizing tank of supercharger 10
11. High-pressure relief valve 12 high-pressure regulating valve group
13. First low flow meter of low pressure regulating valve set 14
15. Second low flow meter 16 low flow meter switching valve
17. High-pressure oil pump for oil tank 18
19. Flow regulating valve of flowmeter 20 body
21. Oxygen tank group of combustion chamber 22
23. Oxygen flow meter 24 blender
25. Low pressure test section of low pressure forward air inlet section 26
27. Low pressure post-measuring section 28 low pressure water spray cooling section
29. High-pressure test section of high-pressure front air inlet section 30
31. High-pressure post-measurement section 32 high-pressure water spray cooling section
33. Data acquisition and analysis system 34 display and monitoring system
35. The tail gas of the outlet pressure control valve group 36 passes through the exhaust tower
37. And exhaust silencer 42 heat preservation pipeline
43. Oxygen pressure regulating valve 44 low-pressure test section cut-off valve
45. Gas supply mechanism of high-pressure test section cut-off valve 100
101. Direct combustion heating mechanism 102 blending oxygen supplementing mechanism
103. Test section mechanism 104 exhaust section mechanism
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In order to make the present invention better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
Examples
As shown in figure 1 of the drawings,
the high-temperature high-pressure test system for the power machinery combustion chamber test comprises a controllable high-low pressure gas supply mechanism 100, a direct combustion heating mechanism 101, a mixing and oxygen supplementing mechanism 102, a test section mechanism 103 and an exhaust section mechanism 104, wherein the output end of the gas supply mechanism 100 is connected with the input end of the direct combustion heating mechanism 101, the output end of the direct combustion heating mechanism 101 is connected with the input end of the mixing and oxygen supplementing mechanism 102, the output end of the mixing and oxygen supplementing mechanism 102 is connected with the input end of the test section mechanism 103, and the output end of the test section mechanism 103 is connected with the input end of the exhaust section mechanism 104.
Example 1
On the basis of the above embodiment, the gas supply mechanism 100 is composed of a first stage screw type compression device and a second stage reciprocating type compression device, which are disposed relatively independently, wherein,
the first-stage screw compression device consists of an air filter 1, a low-pressure screw machine 2, a low-pressure stabilizing tank 3, a low-pressure safety valve 4, a silencer 5 and a low-pressure regulating valve group 13, wherein the output end of the air filter 1 is connected with the input end of the low-pressure screw machine 2, the output end of the low-pressure screw machine 2 is connected with the input end of the low-pressure stabilizing tank 3, the low-pressure safety valve 4 and the silencer 5 are arranged on the low-pressure stabilizing tank 3, and the output end of the low-pressure stabilizing tank 3 is connected with the input end of the low-pressure regulating valve group 13;
the second-stage reciprocating compression device consists of a high-pressure switching valve 8, a supercharger 9, a high-pressure stabilizing tank 10, a high-pressure safety valve 11 and a high-pressure regulating valve group 12, wherein the output end of the high-pressure switching valve 8 is connected with the input end of the supercharger 9, the output end of the supercharger 9 is connected with the input end of the high-pressure stabilizing tank 10, the high-pressure stabilizing tank 10 is provided with the high-pressure safety valve 11 and a silencer 5, and the output end of the high-pressure stabilizing tank 10 is connected with the input end of the high-pressure regulating valve group 12;
a heat exchanger 6 is also communicated between the first-stage screw compression device and the second-stage reciprocating compression device, and a cooling tower 7 is arranged on the heat exchanger 6.
The output ends of the high-pressure regulating valve group 12 and the low-pressure regulating valve group 13 are connected with the input end of a first low flow meter 14, the output end of the first low flow meter 14 is connected with the input end of a second low flow meter 15, the second low flow meter 15 is connected with a low flow meter switching valve 16 in parallel, and the output end of the second low flow meter 15 is connected with a direct combustion heating mechanism 101.
In the working process of the device,
air in the environment enters the low-pressure screw machine 2 after passing through the air filter 1, the air pressure is raised to be 1.2MPa at the highest, the pressure impact is buffered and stabilized through the low-pressure stabilizing tank 3, the highest pressure provided by the high-pressure switching valve control pipeline is provided, if the high-pressure switching valve 8 is closed, the pressure air with the pressure of 0-1.2 MPa is only provided, after the pressure is regulated through the low-pressure regulating valve group, the low-flow meter switching valve 16 is closed, the air flow of the pipeline is measured by adopting the second flowmeter 15, and the air flow enters the combustion chamber 21; if the high-pressure switching valve 8 is opened, the low-pressure regulating valve group 13 is closed, air pressurized by the screw compressor 2 enters the heat exchanger 6 to be cooled, heat is taken away by the cooling tower 7, after passing through the booster 9, the air enters the high-pressure stabilizing tank 10 to stabilize the pressure, and after being regulated to a proper pressure by the high-pressure regulating valve group 12, the air flow is measured by the first flowmeter 14. The high-pressure gas supply system 100 is also provided with a low-pressure safety valve 4 and a high-pressure safety valve 11 for pressure relief protection, and is provided with a muffler 5 for noise extraction so as to meet the requirement of environmental protection.
Example two
On the basis of the above embodiment, the direct combustion heating mechanism 101 includes the oil tank 17, the oil pump 18, the liquid flow meter 19, the liquid flow rate regulating valve 20 and the combustion chamber 21, the output end of the oil tank 17 is connected with the input end of the oil pump 18, the output end of the oil pump 18 is connected with the input end of the liquid flow meter 19, the output end of the liquid flow meter 19 is connected with the input end of the liquid flow rate regulating valve 20, the output end of the liquid flow rate regulating valve 20 is connected with the input end of the combustion chamber 21, and the output end of the combustion chamber 21 is connected with the input end of the blending oxygen supplementing mechanism 102.
In the working process, after the fuel oil in the oil tank 17 is pressurized by the high-pressure oil pump 18, the pipeline pressure is regulated by the liquid flow regulating valve 20, the fuel mass flow is obtained by adopting the flowmeter 19, and the fuel oil is injected into the combustion chamber 21 at a pressure higher than that of high-pressure air provided by the high-pressure air supply system, and is mixed with the high-pressure air to be combusted, so that high-temperature and high-pressure fuel gas is generated for a test.
Wherein the combustible fuel can be aviation kerosene, heavy oil, pure methane gas, natural gas and other fuels, in the third embodiment
On the basis of the above embodiment, the oxygen blending and supplementing mechanism 102 comprises an oxygen tank group 22, an oxygen pressure regulating valve 43, an oxygen flow meter 23, a blender 24 and a heat preservation pipeline 42, wherein the input end of the blender 24 is connected with the output end of the combustion chamber 21, the oxygen inlet end of the blender 24 is connected with the output end of the oxygen tank group 22 through the oxygen pressure regulating valve 43 and the oxygen flow meter 23, and the output end of the blender 24 is connected with the heat preservation pipeline 42 and is communicated to the test section mechanism 103 through the heat preservation pipeline 42.
The oxygen tank group 22 is formed by connecting N high-pressure oxygen cylinders in parallel, N is more than or equal to 1, if polluted air can not be used in the test, the oxygen tank group 22 can provide different oxygen mass flow rates, after the pressure is regulated by the oxygen pressure regulating valve 43, the oxygen tank group is fed into the blender 24, and the oxygen supply quantity is measured by the oxygen flow meter 23; if contaminated air can be used in the test, the oxygen pressure regulating valve 43 is closed and only the high temperature gas generated in the combustion chamber 21 is fed into the test section.
Example IV
Based on the above embodiment, the test section mechanism 103 includes a low pressure test line device and a high pressure test line device, which are independently disposed, wherein,
the low-pressure test pipeline device comprises a low-pressure test section cut-off valve 44, a low-pressure forward air inlet section 25, a low-pressure test section 26, a low-pressure rear measurement section 27, a low-pressure water spray cooling section 28, a data acquisition and analysis system 33 and a digital display and monitoring system 34, wherein the output end of the low-pressure test section cut-off valve 44 is connected with the input end of the low-pressure forward air inlet section 25, the output end of the low-pressure forward air inlet section 25 is connected with the input end of the low-pressure test section 26, the output end of the low-pressure test section 26 is connected with the input end of the low-pressure rear measurement section 27, the output ends of the low-pressure forward air inlet section 25, the low-pressure test section 26 and the low-pressure rear measurement section 27 are connected with the input end of the data acquisition and analysis system 33, and the output end of the data acquisition and analysis system 33 is connected with the input end of the display and monitoring system 34;
the high-pressure test pipeline device comprises a high-pressure test section cut-off valve 45, a high-pressure front air inlet section 29, a high-pressure test section 30, a high-pressure rear measurement section 31, a high-pressure water spray cooling section 32, a data acquisition and analysis system 33 and a digital display and monitoring system 34, wherein the output end of the high-pressure test section cut-off valve 45 is connected with the input end of the high-pressure front air inlet section 29, the output end of the high-pressure front air inlet section 29 is connected with the input end of the high-pressure test section 30, the output end of the high-pressure test section 30 is connected with the input end of the high-pressure rear measurement section 31, the output end of the high-pressure rear measurement section 31 is connected with the input end of the high-pressure water spray cooling section 32, the data output ends of the high-pressure front air inlet section 29, the high-pressure test section 30 and the high-pressure rear measurement section 31 are connected with the input end of the data acquisition and analysis system 33, and the output end of the data acquisition and analysis system 33 is connected with the input end of the display and monitoring system 34.
Wherein during operation, the selected test tube sections are determined by the opening and closing of the low pressure test tube section shut off valve 44 and the high pressure test tube section shut off valve 45, one on each other.
The low pressure front air intake section 25 and the high pressure front air intake section 29 include test interfaces for total pressure, static pressure, total temperature, static temperature, flow rate, etc., and related tests can be arranged according to requirements, and the measured pressure, temperature, flow rate, etc. are taken as actual combustor inlet conditions, so as to feed back to the previous systems, adjust the parameter states of air or fuel, and provide interfaces for connection with the low pressure test section 26 and the high pressure test section 30.
Test pieces for different test purposes can be arranged in the low-pressure test section 26 and the high-pressure test section 30, and test signals of the pressure sensor, the thermocouple and the like are transferred to the data acquisition and analysis system 33 and the display monitoring system 34. The low-pressure post-measurement section 27 and the high-pressure post-measurement section 31 can be reserved with test interfaces for measuring various parameter indexes of the outlet of the combustion chamber, and finally the high-temperature tail gas is discharged into the exhaust system 104 after being cooled by the low-pressure water spray cooling section 28 and the high-pressure water spray cooling section 32.
The data acquisition and analysis system 33 is coupled to and processes, analyzes and displays the analog model numbers with sensors in the low pressure front intake section 25 and the high pressure front intake section 29, including but not limited to thermocouples, pulsating pressures, pressure transmitters, flow meters, vibratory accelerometers, monitoring the air conditions in the low pressure front intake section 25 and the high pressure front intake section 29.
The data acquisition and analysis system 33 is coupled to and processes, analyzes and displays the analog model numbers of the sensors in the low pressure test section 26 and the high pressure test section 30, including but not limited to thermocouples, pulsating pressures, pressure transmitters, flow meters, vibratory accelerometers, and monitors the air, fuel and gas conditions in the low pressure test section 26 and the high pressure test section 30.
The data acquisition and analysis system 33 is connected to and processes, analyzes and displays the analog model numbers of the sensors in the low pressure post-measurement section 27 and the high pressure post-measurement section 31, including but not limited to thermocouples, pulsating pressures, pressure transmitters, flow meters, vibrating accelerometers, monitoring the gas conditions in the low pressure post-measurement section 27 and the high pressure post-measurement section 31, and the operating conditions of the cooling water.
The data acquisition and analysis system 33 is connected with a plurality of cameras arranged in the test bed, displays image information acquired by the cameras on a computer screen in real time, and monitors the working state of the test bed.
The display monitoring system 34 in the present invention is a computer.
Example five
On the basis of the above embodiment, the exhaust section mechanism 104 includes the outlet pressure control valve group 35, the exhaust gas passing through the exhaust tower 36 and the exhaust silencer 37, the input end of the outlet pressure control valve group 35 is connected to the output end of the test section mechanism 103, the output end of the outlet pressure control valve group 35 is connected to the input end of the exhaust gas passing through the exhaust tower 36, and the output end of the exhaust gas passing through the exhaust tower 36 is connected to the input end of the exhaust silencer 37.
The outlet pressure control valve block 35 in the invention can also adjust the back pressure to achieve different test purposes, and finally the tail gas is discharged into the atmosphere through the exhaust tower 36 and the exhaust silencer 37.
The high-pressure gas supply system 100 can compress the ambient air to a required high-pressure state, and is divided into two supply systems by taking 1.2MPa as a boundary, and corresponding pipelines can be selected according to different pressure requirements so as to ensure high-precision flow and pressure control. The high-pressure gas enters the combustion heating system and is mixed with high-pressure fuel supplied in the combustion heating system to generate high-temperature and high-pressure polluted air. The contaminated air may be directed into the test section for testing or may be supplemented with oxygen via the oxygen blending and supplementing system 102 to modify the high temperature, high pressure contaminated air components before entering the test section. In the test section 103, the operations of installing and fixing the combustion chamber test piece, connecting with the air inlet and outlet section, leading out the test signal and the like are realized, and after water spraying and cooling, the test piece enters the air outlet section 104, and high-temperature waste gas is discharged into the atmosphere, so that the whole thermodynamic cycle of the combustion test is completed.
The test system provides stable high-temperature high-pressure gas for various tests of the combustion chamber test piece, and provides a whole set of test system, so that the safe and stable air inlet parameters of the test, the accurate measurement of various system parameters and the reasonable acquisition of test data are ensured, and the requirement of environmental protection is met.
The invention has at least the following advantages:
1. the invention adopts a two-stage compression pressurization mode, and is provided with valve control, and high-pressure and low-pressure tests can be switched;
2. the test equipment provided by the invention is higher in test precision and better in system stability aiming at a high-voltage test and a low-voltage test respectively;
3. the invention adopts a direct combustion heating mode, has higher heat exchange efficiency than indirect heat exchange and can provide higher temperature rise than an electric heater;
4. the invention comprises a high-pressure test section and a low-pressure test section, wherein the front measurement section ensures the feedback of required air inlet parameters, such as pressure, temperature, flow and the like, and the rear measurement section ensures the accuracy of the measured parameters;
5. the invention comprises the blending oxygen supplementing system, and can choose whether to adopt the oxygen supplementing system according to the test requirement, thereby keeping the possibility of reducing the complexity and the cost of the test and ensuring more accurate air inlet components.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (1)
1. A high temperature high pressure test system for power machinery combustion chamber test, its characterized in that: the device comprises a controllable high-low pressure gas supply mechanism (100), a direct combustion heating mechanism (101), a mixing oxygen supplementing mechanism (102), a test section mechanism (103) and an exhaust section mechanism (104), wherein the output end of the gas supply mechanism (100) is connected with the input end of the direct combustion heating mechanism (101), the output end of the direct combustion heating mechanism (101) is connected with the input end of the mixing oxygen supplementing mechanism (102), the output end of the mixing oxygen supplementing mechanism (102) is connected with the input end of the test section mechanism (103), and the output end of the test section mechanism (103) is connected with the input end of the exhaust section mechanism (104);
the gas supply mechanism (100) is composed of a first-stage screw compression device and a second-stage reciprocating compression device, which are arranged relatively independently,
the first-stage screw compression device consists of an air filter (1), a low-pressure screw machine (2), a low-pressure stabilizing tank (3), a low-pressure safety valve (4), a silencer (5) and a low-pressure regulating valve group (13), wherein the output end of the air filter (1) is connected with the input end of the low-pressure screw machine (2), the output end of the low-pressure screw machine (2) is connected with the input end of the low-pressure stabilizing tank (3), the low-pressure stabilizing tank (3) is provided with the low-pressure safety valve (4) and the silencer (5), and the output end of the low-pressure stabilizing tank (3) is connected with the input end of the low-pressure regulating valve group (13);
the second-stage reciprocating compression device consists of a high-pressure switching valve (8), a supercharger (9), a high-pressure stabilizing tank (10), a high-pressure safety valve (11) and a high-pressure regulating valve group (12), wherein the output end of the high-pressure switching valve (8) is connected with the input end of the supercharger (9), the output end of the supercharger (9) is connected with the input end of the high-pressure stabilizing tank (10), the high-pressure stabilizing tank (10) is provided with the high-pressure safety valve (11) and the silencer (5), and the output end of the high-pressure stabilizing tank (10) is connected with the input end of the high-pressure regulating valve group (12);
a heat exchanger (6) is also communicated between the first-stage screw compression device and the second-stage reciprocating compression device, and a cooling tower (7) is arranged on the heat exchanger (6);
the output ends of the high-pressure regulating valve group (12) and the low-pressure regulating valve group (13) are connected with the input end of a first low flow meter (14), the output end of the first low flow meter (14) is connected with the input end of a second low flow meter (15), the second low flow meter (15) is connected with a low flow meter switching valve (16) in parallel and is communicated with the output end of the second low flow meter (15), and the output end of the second low flow meter (15) is connected with a direct combustion heating mechanism (101);
the direct combustion heating mechanism (101) comprises an oil tank (17), an oil pump (18), a liquid flowmeter (19), a liquid flow regulating valve (20) and a combustion chamber (21), wherein the output end of the oil tank (17) is connected with the input end of the oil pump (18), the output end of the oil pump (18) is connected with the input end of the liquid flowmeter (19), the output end of the liquid flowmeter (19) is connected with the input end of the liquid flow regulating valve (20), the output end of the liquid flow regulating valve (20) is connected with the input end of the combustion chamber (21), and the output end of the combustion chamber (21) is connected with the input end of the mixing and oxygen supplementing mechanism (102);
the mixing oxygen supplementing mechanism (102) comprises an oxygen tank group (22), an oxygen pressure regulating valve (43), an oxygen flow meter (23), a mixer (24) and a heat preservation pipeline (42), wherein the input end of the mixer (24) is connected with the output end of the combustion chamber (21), the oxygen inlet end of the mixer (24) is connected with the output end of the oxygen tank group (22) through the oxygen pressure regulating valve (43) and the oxygen flow meter (23), and the output end of the mixer (24) is connected with the heat preservation pipeline (42) and is communicated to the test section mechanism (103) through the heat preservation pipeline (42);
the test section mechanism (103) comprises a low-pressure test pipeline device and a high-pressure test pipeline device which are arranged independently, wherein,
the low-pressure test pipeline device comprises a low-pressure test section cut-off valve (44), a low-pressure forward air inlet section (25), a low-pressure test section (26), a low-pressure rear measurement section (27), a low-pressure water spray cooling section (28), a data acquisition and analysis system (33) and a digital display and monitoring system (34), wherein the output end of the low-pressure test section cut-off valve (44) is connected with the input end of the low-pressure forward air inlet section (25), the output end of the low-pressure forward air inlet section (25) is connected with the input end of the low-pressure test section (26), the output end of the low-pressure test section (26) is connected with the input end of the low-pressure rear measurement section (27), the output end of the low-pressure rear measurement section (27) is connected with the input end of the low-pressure water spray cooling section (28), the data output end of the low-pressure forward air inlet section (25), the low-pressure test section (26) and the low-pressure rear measurement section (27) is connected with the input end of the data acquisition and analysis system (33), and the output end of the data acquisition and analysis system (33) is connected with the input end of the display and monitoring system (34).
The high-pressure test pipeline device comprises a high-pressure test section cut-off valve (45), a high-pressure forward air inlet section (29), a high-pressure test section (30), a high-pressure rear measurement section (31), a high-pressure water spray cooling section (32), a data acquisition and analysis system (33) and a digital display and monitoring system (34), wherein the output end of the high-pressure test section cut-off valve (45) is connected with the input end of the high-pressure forward air inlet section (29), the output end of the high-pressure forward air inlet section (29) is connected with the input end of the high-pressure test section (30), the output end of the high-pressure test section (30) is connected with the input end of the high-pressure rear measurement section (31), the output end of the high-pressure rear measurement section (31) is connected with the input end of the high-pressure water spray cooling section (32), the data output end of the high-pressure forward air inlet section (29), the high-pressure test section (30) and the high-pressure rear measurement section (31) is connected with the input end of the data acquisition and analysis system (33), and the output end of the data acquisition and analysis system (33) is connected with the input end of the display system (34);
the exhaust section mechanism (104) comprises an outlet pressure control valve group (35), exhaust gas passing through an exhaust tower (36) and an exhaust silencer (37), wherein the input end of the outlet pressure control valve group (35) is connected with the output end of the test section mechanism (103), the output end of the outlet pressure control valve group (35) is connected with the input end of the exhaust gas passing through the exhaust tower (36), and the output end of the exhaust gas passing through the exhaust tower (36) is connected with the input end of the exhaust silencer (37).
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| CN111426482B (en) * | 2020-05-06 | 2021-03-23 | 湖南汉能科技有限公司 | Aeroengine combustion chamber test bench |
| CN112611567B (en) * | 2020-11-27 | 2022-05-27 | 中国航发四川燃气涡轮研究院 | Automatic model selection method for regulating valve of high-altitude simulation test bed of aero-engine |
| CN113514251A (en) * | 2021-07-23 | 2021-10-19 | 四川大学 | Engine combustion chamber high-temperature exhaust experimental device based on dual-fuel multi-stage combustion |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005214812A (en) * | 2004-01-29 | 2005-08-11 | Hitachi Metals Ltd | Method and device for testing heat-resistant tubular member |
| JP2007171009A (en) * | 2005-12-22 | 2007-07-05 | Japan Automobile Research Inst Inc | Burning test device |
| CN104777002A (en) * | 2015-03-19 | 2015-07-15 | 西北工业大学 | Methane combustion heating experimental system for combustion chamber of scramjet engine |
| CA3187275A1 (en) * | 2015-11-06 | 2017-05-06 | Florida Turbine Technologies, Inc. | Process for testing a compressor or a combustor of a gas turbine engine using a large compressed air storage reservoir |
| CN107101831A (en) * | 2017-05-16 | 2017-08-29 | 上海泛智能源装备有限公司 | Pilot combustion channel, combustion test control method and device for combustion gas turbine |
| CN107631881A (en) * | 2017-08-30 | 2018-01-26 | 华能国际电力股份有限公司 | A kind of full-scale multifunctional fuel turbine combustion pilot system |
| CN110206661A (en) * | 2019-04-30 | 2019-09-06 | 天津大学 | A kind of dual fuel engine single cylinder engine test platform pressurized fuel gas feed system |
| CN210571390U (en) * | 2019-09-23 | 2020-05-19 | 楼蓝科技(江苏)有限公司 | High-temperature high-pressure test system for power machinery combustion chamber test |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7174797B2 (en) * | 2002-10-15 | 2007-02-13 | Florida Turbine Technologies, Inc. | High temperature and pressure testing facility |
-
2019
- 2019-09-23 CN CN201910897508.9A patent/CN110455547B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005214812A (en) * | 2004-01-29 | 2005-08-11 | Hitachi Metals Ltd | Method and device for testing heat-resistant tubular member |
| JP2007171009A (en) * | 2005-12-22 | 2007-07-05 | Japan Automobile Research Inst Inc | Burning test device |
| CN104777002A (en) * | 2015-03-19 | 2015-07-15 | 西北工业大学 | Methane combustion heating experimental system for combustion chamber of scramjet engine |
| CA3187275A1 (en) * | 2015-11-06 | 2017-05-06 | Florida Turbine Technologies, Inc. | Process for testing a compressor or a combustor of a gas turbine engine using a large compressed air storage reservoir |
| CN107101831A (en) * | 2017-05-16 | 2017-08-29 | 上海泛智能源装备有限公司 | Pilot combustion channel, combustion test control method and device for combustion gas turbine |
| CN107631881A (en) * | 2017-08-30 | 2018-01-26 | 华能国际电力股份有限公司 | A kind of full-scale multifunctional fuel turbine combustion pilot system |
| CN110206661A (en) * | 2019-04-30 | 2019-09-06 | 天津大学 | A kind of dual fuel engine single cylinder engine test platform pressurized fuel gas feed system |
| CN210571390U (en) * | 2019-09-23 | 2020-05-19 | 楼蓝科技(江苏)有限公司 | High-temperature high-pressure test system for power machinery combustion chamber test |
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