CN117168819A - Air inlet system capable of being used for fuel engine efficiency test - Google Patents
Air inlet system capable of being used for fuel engine efficiency test Download PDFInfo
- Publication number
- CN117168819A CN117168819A CN202311139769.7A CN202311139769A CN117168819A CN 117168819 A CN117168819 A CN 117168819A CN 202311139769 A CN202311139769 A CN 202311139769A CN 117168819 A CN117168819 A CN 117168819A
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- air inlet
- system body
- air
- inlet system
- gas
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 239000000446 fuel Substances 0.000 title claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 239000012535 impurity Substances 0.000 claims abstract description 24
- 238000002485 combustion reaction Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 14
- 238000000889 atomisation Methods 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 5
- 230000030279 gene silencing Effects 0.000 claims description 2
- 230000003584 silencer Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003595 mist Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses an air inlet system capable of being used for a fuel engine efficiency test, and relates to the technical field of air inlet systems, comprising an air inlet system body, wherein one end of the air inlet system body is used for being communicated with a fuel engine, and the other end of the air inlet system body is provided with an air inlet; the filtering device is arranged in the air inlet system body and can control the impurity content and the particle size of the air inlet gas; the dehumidifying device is arranged in the air inlet system body and can eliminate ice, snow and water vapor entering the air inlet system body; the heat exchange device is arranged in the air inlet system body and can increase the temperature of air inlet gas entering the combustion engine; a flow tube disposed within the intake system body, capable of adjusting an intake air flow rate into the combustion engine; according to the invention, through the filtering device, the heat exchange device, the dehumidifying device and the flow tube, the impurity, the temperature, the humidity and the gas turbulence degree of the inlet air of the combustion engine can be respectively controlled, and the influence of various factors such as the impurity, the temperature, the humidity and the gas turbulence degree in the inlet air on the combustion efficiency of the combustion engine can be determined through a control variable method.
Description
Technical Field
The invention relates to the technical field of air inlet systems, in particular to an air inlet system capable of being used for a fuel engine efficiency test.
Background
When the gas turbine works, impurities in air, temperature, humidity, gas turbulence and the like can influence the working efficiency of the gas turbine. Therefore, in order to ensure the high-efficiency and reliable operation of the unit, various indexes such as impurities, temperature, humidity, gas turbulence and the like in the inlet gas need to be tested and demonstrated, and the optimal combustion efficiency of the gas turbine is found.
Disclosure of Invention
The invention aims to provide an air inlet system for testing the efficiency of a fuel engine, which solves the problems of the prior art and can test the influence of factors such as impurities, temperature, humidity, gas turbulence and the like in air inlet gas on the efficiency of the fuel engine.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides an air inlet system capable of being used for efficiency test of a fuel engine, which comprises an air inlet system body, wherein one end of the air inlet system body is used for being communicated with the fuel engine, and the other end of the air inlet system body is provided with an air inlet; the filtering device is arranged in the air inlet system body and can control the impurity content and the particle size of the air inlet gas; the dehumidifying device is arranged in the air inlet system body and can eliminate ice, snow and water vapor entering the air inlet system body; the heat exchange device is arranged in the air inlet system body and can increase the temperature of air inlet gas entering the combustion engine; a flow tube disposed within the intake system body, capable of adjusting an intake air flow rate into the combustion engine; according to the invention, through the filtering device, the heat exchange device, the dehumidifying device and the flow tube, the impurity, the temperature, the humidity and the gas turbulence degree of the gas inlet of the gas turbine can be respectively controlled, and through a control variable method, other variables are unchanged, a plurality of independent change tests are sequentially carried out on each variable, so that the influence of each factor such as the impurity, the temperature, the humidity and the gas turbulence degree in the gas inlet on the combustion efficiency of the gas turbine can be determined.
Optionally, the air inlet system body is arranged on the bracket, one end of the air inlet system body is connected with a vertical section pipeline through an elbow, the vertical section pipeline is connected with a switching section pipeline through a flexible connection pipeline, and the switching section pipeline is communicated with the air inlet end of the combustion engine; the flow pipe is arranged at the position of the air inlet system body close to the elbow.
Optionally, the filtering device comprises a primary filtering device, a secondary filtering device and a tertiary filtering device; the primary filter device comprises a metal net arranged at the air inlet of the air inlet system body, the secondary filter device and the tertiary filter device are sequentially arranged in the air inlet system body, the secondary filter device can remove impurity particles above 25 mu m in air inlet gas, the tertiary filter device can remove impurity particles between 5 and 25 mu m in the air inlet gas, and the tertiary filter device is provided with a back blowing system and an ash collecting device, can blow impurities out of the back blowing system into the ash collecting device, and is collected in an ash hopper of the ash collecting device.
Optionally, the dehumidifying device comprises an air extraction heating device and a dehumidifier, and the air extraction heating device and the dehumidifier are sequentially arranged at the position close to the air inlet of the air inlet system body; the air extraction heating device is connected with the gas turbine through a pipeline, a spray head is arranged on the air extraction heating device, and the spray head can spray gas heated by the gas turbine.
Optionally, the heat exchange device is arranged between the flow pipe and the filtering device, and the heat exchange device comprises a finned tube heat exchanger, and the finned tube heat exchanger can heat the inlet gas in a heating mode.
Optionally, the device further comprises a muffler, wherein the muffler is positioned between the filtering device and the heat exchange device and is used for silencing and reducing noise of the inlet gas.
Optionally, an atomization cooling device is arranged between the flow pipe and the heat exchange device, and a water spraying pipeline in the atomization cooling device is controlled by an electromagnetic valve, so that 20%, 50%, 80% and 100% of atomization coverage area can be realized; the wet film in the atomization cooling device can absorb atomized water vapor.
Optionally, the air inlet of air intake system body department is equipped with a plurality of openings canopy downwards, the metal mesh fixed set up in the opening part of canopy.
Compared with the prior art, the invention has the following technical effects:
the invention can control the impurity content and the particle size of the inlet gas through the filtering device; ice and snow and water vapor entering the air inlet system can be controlled and eliminated through the air extraction heating device and the dehumidifier; the service life of the filtering device can be prolonged through the soot blowing system; the temperature of the inlet gas entering the combustion engine can be controlled and increased through the fin tube heat exchanger; cooling by an atomization device to reduce the ambient temperature; the intake air flow rate is adjusted by the flow tube. Therefore, the variable in each air inlet can be controlled sequentially according to the needs, the effect of measuring various factors on the efficiency of the combustion engine is measured, the practicability is high, the safety and the reliability are relatively good, and the popularization and the application are easy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an air intake system that can be used in a fuel engine efficiency test according to the present invention;
FIG. 2 is a schematic view of an intake flow path according to the present invention;
reference numerals illustrate: 1-bracket, 2-first-stage filter device, 3-canopy, 4-air extraction heating device, 5-dehumidifier, 6-second-stage filter device, 7-third-stage filter device, 8-muffler, 9-fin tube heat exchanger, 10-atomization cooling device, 11-flow tube, 12-elbow, 13-vertical section pipeline, 14-flexible connection pipeline, 15-switching section pipeline.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide an air inlet system for testing the efficiency of a fuel engine, which solves the problems of the prior art and can test the influence of factors such as impurities, temperature, humidity, gas turbulence and the like in air inlet gas on the efficiency of the fuel engine.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The invention provides an air inlet system capable of being used for efficiency test of a gas turbine, which is shown in fig. 1 and 2, and comprises an air inlet system body arranged on a bracket 1, wherein a awning 3 is arranged at an air inlet of the air inlet system body, a primary filter device 2 is arranged at an opening at the bottom of the awning 3, an air extraction heating device 4, a dehumidifier 5, a secondary filter device 6, a tertiary filter device 7, a silencer 8, a finned tube heat exchanger 9, an atomization cooling device 10 and a flow tube 11 are sequentially arranged in the air inlet system body, one end of the air inlet system body far away from the air inlet is connected with an elbow 12, the elbow 12 is connected with a vertical section pipeline 13, the vertical section pipeline 13 is connected with a switching section pipeline 15 through a flexible connection pipeline 14, and the switching section pipeline 15 is used for being connected with an air inlet end of the gas turbine. The inlet air flow sequentially passes through all the components from the first-stage filtering device 2 until reaching the inlet of the combustion engine; the air inlet flow is primarily heated by an air extraction heating device 4; the dehumidifier 5 is used for removing water and ice from the inlet air flow; removing impurities from the intake air flow by a filtering device; noise reduction is performed on the intake air flow through the muffler 8; the secondary heating and the temperature rising of the inlet air flow are carried out through the finned tube heat exchanger 9; humidifying and cooling the intake air flow by the atomization cooling device 10; the intake air flow is stabilized by the flow tube 11. According to the device, the impurity, the temperature, the humidity and the gas turbulence degree of the gas inlet of the gas turbine can be respectively controlled, and a plurality of independent change tests are sequentially carried out on each variable by controlling the variable method without changing other variables, so that the influence of the impurity, the temperature, the humidity, the gas turbulence degree and other factors in the inlet on the combustion efficiency of the gas turbine can be determined.
Specifically, the bracket 1 is lifted for the air inlet system, so that the air inlet is far away from the ground, and excessive dust and impurities are prevented from being inhaled. The primary filter device 2 is a metal steel wire mesh, and can prevent birds, insects and the like from entering. The canopy 3 is to prevent a large amount of rain and snow from entering the air intake system in rainy and snowy weather. The air extraction heating device 4 is provided with a pipeline which is connected with a gas compressor of the combustion engine and used for conveying air which is heated after being burnt by the combustion engine. The air extraction heating device 4 is provided with a spray head, sprays high-temperature gas, heats the air inlet gas, increases the air temperature and removes potential ice and snow. The dehumidifier 5 removes moisture in the intake gas. The secondary filter device 6 primarily removes large impurity particles of more than 25 mu m in the inlet gas, and avoids damaging the blades of the gas turbine. The three-stage filtering device 7 removes 5-25 mu m of impurity particles in the inlet gas, and avoids damaging the blades of the combustion engine. The three-stage filtering device 7 is provided with a back blowing system and an ash collecting device, impurities in the back blowing system are blown out of the filter and are collected in the ash bucket, so that the service life of the three-stage filtering is prolonged, and waste is avoided. The muffler 8 is not limited to a matrix muffler, a sheet muffler, or the like, and is adapted to attenuate and reduce noise of intake air. The fin tube heat exchanger 9 heats the inlet gas for the second time, and the temperature can reach 150 ℃. The atomization cooling device 10 atomizes water and diffuses water mist to reduce the temperature of the surrounding environment, and can also increase the humidity of the surrounding space, thereby achieving the purposes of dust prevention, dust suppression and air purification. The spray lines in the atomizing and cooling device 10 can be controlled by solenoid valves to achieve 20%, 50%, 80%, 100% of the four-medium atomizing coverage area. The wet film in the mist cooling means 10 can achieve the effect of reducing the humidity by absorbing the atomized water vapor. The flow tube 11 ensures the uniform speed of the inlet air flow and plays a role in stabilizing the flow.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (8)
1. An air intake system capable of being used for fuel engine efficiency test, characterized in that: comprises an air inlet system body, wherein one end of the air inlet system body is used for being communicated with a combustion engine, and the other end of the air inlet system body is provided with an air inlet;
the filtering device is arranged in the air inlet system body and can control the impurity content and the particle size of the air inlet gas;
the dehumidifying device is arranged in the air inlet system body and can eliminate ice, snow and water vapor entering the air inlet system body;
the heat exchange device is arranged in the air inlet system body and can increase the temperature of air inlet gas entering the combustion engine;
and a flow tube provided in the intake system body and capable of adjusting the flow rate of intake air entering the combustion engine.
2. The air intake system for a fuel engine efficiency test of claim 1, wherein: the air inlet system body is arranged on the bracket, one end of the air inlet system body is connected with a vertical section pipeline through an elbow, the vertical section pipeline is connected with a switching section pipeline through a flexible connection pipeline, and the switching section pipeline is communicated with the air inlet end of the combustion engine; the flow pipe is arranged at the position of the air inlet system body close to the elbow.
3. The air intake system for a fuel engine efficiency test of claim 1, wherein: the filtering device comprises a primary filtering device, a secondary filtering device and a tertiary filtering device; the primary filter device comprises a metal net arranged at the air inlet of the air inlet system body, the secondary filter device and the tertiary filter device are sequentially arranged in the air inlet system body, the secondary filter device can remove impurity particles with the particle diameter of more than 25 mu m in air inlet gas, and the tertiary filter device can remove impurity particles with the particle diameter of 5-25 mu m in the air inlet gas.
4. The air intake system for a fuel engine efficiency test of claim 1, wherein: the dehumidifying device comprises an air extraction heating device and a dehumidifier, and the air extraction heating device and the dehumidifier are sequentially arranged at the position close to the air inlet of the air inlet system body; the air extraction heating device is connected with the gas turbine through a pipeline, a spray head is arranged on the air extraction heating device, and the spray head can spray gas heated by the gas turbine.
5. The air intake system for a fuel engine efficiency test of claim 1, wherein: the heat exchange device is arranged between the flow pipe and the filtering device and comprises a finned tube heat exchanger which can heat the inlet gas in a heating mode.
6. The air intake system for a fuel engine efficiency test of claim 1, wherein: the silencer is positioned between the filtering device and the heat exchange device and is used for silencing and reducing noise of the inlet gas.
7. The air intake system for a fuel engine efficiency test of claim 1, wherein: an atomization cooling device is arranged between the flow pipe and the heat exchange device, and a water spraying pipeline in the atomization cooling device is controlled by an electromagnetic valve, so that 20%, 50%, 80% and 100% of atomization coverage area can be realized; the wet film in the atomization cooling device can absorb atomized water vapor.
8. An air intake system usable for fuel engine efficiency testing as set forth in claim 3, wherein: the air inlet of the air inlet system body is provided with a plurality of rain sheds with downward openings, and the metal net is fixedly arranged at the openings of the rain sheds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311139769.7A CN117168819A (en) | 2023-09-06 | 2023-09-06 | Air inlet system capable of being used for fuel engine efficiency test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311139769.7A CN117168819A (en) | 2023-09-06 | 2023-09-06 | Air inlet system capable of being used for fuel engine efficiency test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117168819A true CN117168819A (en) | 2023-12-05 |
Family
ID=88933216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311139769.7A Pending CN117168819A (en) | 2023-09-06 | 2023-09-06 | Air inlet system capable of being used for fuel engine efficiency test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117168819A (en) |
-
2023
- 2023-09-06 CN CN202311139769.7A patent/CN117168819A/en active Pending
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