CN114184743A - Aeroengine tail gas composition detection device - Google Patents
Aeroengine tail gas composition detection device Download PDFInfo
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- CN114184743A CN114184743A CN202111264937.6A CN202111264937A CN114184743A CN 114184743 A CN114184743 A CN 114184743A CN 202111264937 A CN202111264937 A CN 202111264937A CN 114184743 A CN114184743 A CN 114184743A
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- 238000001514 detection method Methods 0.000 title claims abstract description 97
- 239000000203 mixture Substances 0.000 title claims description 18
- 238000002156 mixing Methods 0.000 claims abstract description 77
- 238000000746 purification Methods 0.000 claims abstract description 41
- 238000011084 recovery Methods 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000010248 power generation Methods 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims description 153
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000012806 monitoring device Methods 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000011017 operating method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0037—NOx
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
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- Combustion & Propulsion (AREA)
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Abstract
A detection device for tail gas components of an aircraft engine relates to the field of environmental protection and comprises a first energy recovery chamber, a second energy recovery chamber, a detection chamber, a purification chamber, a three-way pipe, electric power storage equipment, a controller and gas quality monitoring equipment; also comprises a tail gas mixing component. The invention is provided with the power generation equipment and the heat exchanger to recover kinetic energy and heat energy in tail gas, thereby having strong energy-saving and environment-friendly properties; the tail gas mixing assembly is arranged, the tail gas is mixed by guiding the flow through the first guide cover and the second guide cover, and the first mixing frame, the second mixing frame, the first mixing paddle and the second mixing paddle are stirred, so that the tail gas is uniformly distributed, the components are stable, and the detection accuracy is improved; the filter, the purifying liquid and the filtering component are arranged, the detected tail gas is purified in various modes, the purifying effect is good, and the environmental pollution is reduced; the setting prevents stifled subassembly, utilizes the cleaning brush to clean the cartridge filter, effectively avoids the cartridge filter to block up the exhaust circulation that causes not smooth, has guaranteed the detection efficiency of device.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to a device for detecting components of tail gas of an aircraft engine.
Background
The aircraft engine is the heart of the aircraft and provides the kinetic energy for operation, and the aircraft engine can generate certain tail gas during operation, and the tail gas generated by the engine needs to be detected so as to obtain the combustion condition of gasoline in the engine.
The detection result of the existing tail gas component detection device is influenced by temperature and tail gas uniformity, so that the accuracy is not high, the tail gas is lack of purification treatment after detection, air pollution is easily caused, continuous detection is realized, and the energy consumption is high.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a device for detecting the components of tail gas of an aircraft engine. The invention is provided with the power generation equipment and the heat exchanger to recover kinetic energy and heat energy in tail gas, thereby having strong energy-saving and environment-friendly properties; the tail gas mixing assembly is arranged to mix the tail gas, so that the tail gas is uniformly distributed and stable in components, and the detection accuracy is improved; the filter, the purifying liquid and the filtering component are arranged, the detected tail gas is purified in various modes, the purifying effect is good, and the environmental pollution is reduced; the setting prevents stifled subassembly, utilizes the cleaning brush to clean the cartridge filter, effectively avoids the cartridge filter to block up the exhaust circulation that causes not smooth, has guaranteed the detection efficiency of device.
(II) technical scheme
In order to solve the problems, the invention provides a device for detecting the components of tail gas of an aeroengine, which comprises a first energy recovery chamber, a second energy recovery chamber, a detection chamber, a purification chamber, a three-way pipe, electric power storage equipment, a controller and gas quality monitoring equipment, wherein the first energy recovery chamber is connected with the second energy recovery chamber; the air inlet of the first energy recovery chamber is provided with power generation equipment, and the air outlet is provided with a filter cartridge communicated with the second energy recovery chamber; the power storage equipment is electrically connected with the power generation equipment; the second energy recovery chamber is internally provided with a heat exchanger and a moisture absorption net and is communicated with the detection chamber; a tail gas component detection module and a filter communicated with the purification chamber are arranged in the detection chamber; the gas quality monitoring equipment is arranged at the gas outlet end of the purifying chamber; the three-way pipe is communicated with the gas quality monitoring equipment and the filter, and an air outlet pipe is arranged on the three-way pipe; the tail gas mixing component is also included; the tail gas mixing assembly is arranged in the detection chamber; the tail gas mixing assembly comprises a first driving motor, a first rotating shaft, a first air guide sleeve, a second air guide sleeve, a first mixing frame, a second mixing frame, a first gear, a second rotating shaft, a first mixing paddle and a second mixing paddle; the first air guide sleeve and the second air guide sleeve are arranged in the detection chamber side by side along the airflow direction; the first flow guide cover is provided with a raised flow guide surface, and a first through hole is formed at a position close to the inner wall of the detection chamber; a concave flow guide surface is arranged on the second flow guide cover, and a second through hole is arranged at a position far away from the inner wall of the detection chamber; a first rotating shaft driven by a first driving motor is arranged along the horizontal direction and is rotationally connected with the centers of the first air guide sleeve and the second air guide sleeve; the first mixing frame and the second mixing frame are both arranged on the first rotating shaft and are respectively matched with the flow guide surfaces of the first flow guide cover and the second flow guide cover; the first gear is connected to the first rotating shaft in a key mode; the second rotating shaft is arranged between the first air guide sleeve and the second air guide sleeve, one end of the second rotating shaft is rotatably connected with the inner wall of the detection chamber, and the other end of the second rotating shaft is in key connection with the second gear; the second gear is meshed with the first gear; the first mixing paddle is arranged on the second rotating shaft; the second mixing paddle is arranged on the first rotating shaft and is positioned at the air inlet of the detection chamber.
Preferably, the detection chamber is internally provided with a mounting frame for the first rotating shaft to pass through; the mounting rack corresponds to the second through hole in position; the tail gas composition detection module is arranged on the mounting frame.
Preferably, the tail gas composition detection module includes hydroxide monitor probe, nitrogen oxide detection probe and carbon monoxide probe.
Preferably, a filtering component is further arranged in the purifying chamber; the filter assembly comprises a partition plate and a filter plate; the clapboard divides the purifying chamber into a first purifying cavity and a second purifying cavity; the filter plates are arranged in a plurality of groups, and the plurality of groups of filter plates are respectively arranged in the first purification cavity and the second purification cavity; air holes are formed in the top ends of the first purification cavity and the second purification cavity; the bottom end of the second purifying cavity is communicated with a gas quality monitoring device.
Preferably, the lower end of the first purification cavity is provided with an air outlet seat and purification liquid, and the top end of the first purification cavity is provided with a condensation plate; the air outlet seat is communicated with the filter and is immersed in the purified liquid, and a one-way valve is arranged on the air outlet seat.
Preferably, the device also comprises a water pipe, a spray head and a water pump; the water inlet end of the water pipe extends into the purifying liquid, and the water outlet end of the water pipe is communicated with the spray head; the spray head is arranged at the upper end of the first purification cavity; the water pump is arranged on the water pipe.
Preferably, the first energy recovery chamber is provided with an anti-blocking component acting on the filter cartridge; the anti-blocking component comprises a second driving motor, a rotating roller, a transmission belt, an anti-blocking frame and a cleaning brush; the rotating rollers driven by the second driving motor are rotatably arranged at two ends of the filter cylinder, penetrate through the filter cylinder and extend to the outside of the filter cylinder; two groups of transmission belts are arranged, the two groups of transmission belts are respectively positioned at two sides of the filter cartridge, and two ends of each group of transmission belts are respectively sleeved with the rotating rollers at the corresponding sides; the anti-blocking frames are arranged in two groups, are positioned at the upper end and the lower end of the filter cylinder and are respectively connected with the upper layer and the lower layer of the transmission belt; the cleaning brush is arranged on one side of the anti-blocking frame close to the filter cartridge.
Preferably, the anti-blocking frame is of an arc structure.
Preferably, the first energy recovery chamber is provided with a smoke recovery box.
The invention also provides a method for detecting the components of the tail gas of the aircraft engine, which comprises the following steps:
s1, enabling the tail gas to enter a first energy recovery chamber to drive blades of power generation equipment to rotate at a high speed, and storing the generated electric energy in electric storage equipment to supply power for the device;
s2, filtering the tail gas through a filter cartridge, removing smoke dust, entering a second energy recovery chamber, and sequentially cooling and dehumidifying the tail gas through a heat exchanger and a moisture absorption net;
s3, enabling the tail gas to enter a detection chamber, enabling the tail gas mixing assembly to act, enabling the first rotating shaft to rotate to drive the first mixing frame, the second mixing frame and the second rotating shaft to rotate synchronously, enabling the second mixing paddle to break up the tail gas, enabling the tail gas to move along the first air guide sleeve and be mixed by the first mixing frame, enabling the first mixing paddle to break up the tail gas again, enabling the tail gas to move along the second air guide sleeve and be mixed by the second mixing frame, enabling the tail gas to be mixed fully, reducing the temperature and moving to a tail gas component detection module;
s4, the tail gas component detection module detects components in the tail gas, the controller summarizes and analyzes the detection data, and the detection personnel read the detection result;
s5, filtering the tail gas through a filter, allowing the tail gas to enter a purification chamber, sequentially passing through a first purification chamber and a second purification chamber, soaking and spraying the tail gas by a purification solution, filtering the tail gas layer by a filter plate, and finally allowing the tail gas to enter gas quality monitoring equipment;
s6, detecting that the quality of the tail gas reaches the standard by a gas quality monitoring device, and discharging the tail gas from a three-way pipe discharge device;
and S7, detecting that the quality of the tail gas does not reach the standard by the gas quality monitoring equipment, returning the tail gas to the filter from the three-way pipe, and treating the tail gas by the first purification cavity and the second purification cavity again until the tail gas reaches the standard.
The technical scheme of the invention has the following beneficial technical effects:
the invention has the advantages that the power generation equipment and the heat exchanger are arranged to recover kinetic energy and heat energy in tail gas, so that the energy-saving and environment-friendly effects are strong;
the tail gas mixing assembly is arranged, the tail gas is mixed and cooled through the diversion of the first diversion cover and the second diversion cover and the stirring of the first mixing frame, the second mixing frame, the first mixing paddle and the second mixing paddle, so that the tail gas is uniformly distributed and stable in components, and the detection accuracy is improved;
the tail gas purifier is provided with the filter, the purifying liquid and the filtering component, and the tail gas after detection is purified in multiple modes, so that the purifying effect is good, and the environmental pollution is reduced;
the anti-blocking component is arranged, the filter cartridge is cleaned by the cleaning brush, the problem that the tail gas is not smooth in circulation due to the fact that the filter cartridge is blocked is effectively avoided, detection efficiency of the device is guaranteed, and besides, dust brushed down enters the dust recycling box, and cleaning is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of an appearance of an aircraft engine exhaust component detection device provided by the invention.
Fig. 2 is a schematic diagram of an internal structure of an aircraft engine exhaust component detection device provided by the invention.
Fig. 3 is a cross-sectional view of an exhaust gas mixing assembly in an aircraft engine exhaust gas composition detection device according to the present invention.
Fig. 4 is a left side view of a tail gas component detection module in the aircraft engine tail gas component detection device according to the present invention.
Fig. 5 is a schematic diagram of the internal structures of a first energy recovery chamber and a second energy recovery chamber in the device for detecting the components of the tail gas of an aircraft engine provided by the invention.
Fig. 6 is an enlarged view of a filter cartridge in an aircraft engine exhaust gas composition detection device according to the present invention.
Fig. 7 is a longitudinal sectional view of a filter cartridge in an aircraft engine exhaust composition detection device according to the present invention.
The attached drawings are marked as follows: 1. a first energy recovery chamber; 2. a second energy recovery chamber; 3. a detection chamber; 4. a clean room; 5. a three-way pipe; 6. a power generation device; 7. a filter cartridge; 8. a heat exchanger; 9. a moisture absorption net; 10. a mounting frame; 11. a tail gas component detection module; 12. a filter; 13. a filter assembly; 14. a tail gas mixing assembly; 15. a first drive motor; 16. a first rotating shaft; 17. a first pod; 18. a second pod; 19. a first mixing rack; 20. a second mixing frame; 21. a first gear; 22. a second gear; 23. a first mixing paddle; 24. a second mixing paddle; 25. a first through hole; 26. a second through hole; 27. an electrical storage device; 28. a recovery box; 29. a controller; 30. an anti-clogging component; 31. a second drive motor; 32. a rotating roller; 33. a transmission belt; 34. an anti-blocking frame; 35. a cleaning brush; 36. a second rotating shaft; 37. a gas quality monitoring device; 38. a spray head; 39. a filter plate; 40. air holes; 41. a water pipe; 42. a condensing plate; 43. a partition plate; 44. an air outlet seat.
Detailed Description
Example 1
As shown in fig. 1-4, the device for detecting the components of the tail gas of the aircraft engine provided by the invention comprises a first energy recovery chamber 1, a second energy recovery chamber 2, a detection chamber 3, a purification chamber 4, a three-way pipe 5, an electric storage device 27, a controller 29 and a gas quality monitoring device 37; the air inlet of the first energy recovery chamber 1 is provided with a power generation device 6, and the air outlet is provided with a filter cartridge 7 communicated with the second energy recovery chamber 2; the electric storage device 27 is electrically connected with the power generation device 6; a heat exchanger 8 and a moisture absorption net 9 are arranged in the second energy recovery chamber 2 and are communicated with the detection chamber 3; a tail gas component detection module 11 and a filter 12 communicated with the purifying chamber 4 are arranged in the detection chamber 3; the gas quality monitoring device 37 is arranged at the gas outlet end of the purifying chamber 4; the three-way pipe 5 is communicated with the gas quality monitoring device 37 and the filter 12, and the three-way pipe 5 is provided with an air outlet pipe; also included is an exhaust mixing assembly 14; the tail gas mixing assembly 14 is arranged in the detection chamber 3; the tail gas mixing component 14 comprises a first driving motor 15, a first rotating shaft 16, a first air guide sleeve 17, a second air guide sleeve 18, a first mixing frame 19, a second mixing frame 20, a first gear 21, a second gear 22, a second rotating shaft 36, a first mixing paddle 23 and a second mixing paddle 24; the first air guide sleeve 17 and the second air guide sleeve 18 are arranged in the detection chamber 3 side by side along the airflow direction; the first air guide sleeve 17 is provided with a raised air guide surface, and a first through hole 25 is arranged at a position close to the inner wall of the detection chamber 3; the second air guide sleeve 18 is provided with a sunken air guide surface, and a second through hole 26 is arranged at a position far away from the inner wall of the detection chamber 3; a first rotating shaft 16 driven by a first driving motor 15 is arranged along the horizontal direction and is rotatably connected with the centers of a first air guide sleeve 17 and a second air guide sleeve 18; the first mixing frame 19 and the second mixing frame 20 are both arranged on the first rotating shaft 16 and are respectively matched with the flow guide surfaces of the first flow guide cover 17 and the second flow guide cover 18; the first gear 21 is keyed on the first rotating shaft 16; the second rotating shaft 36 is arranged between the first air guide sleeve 17 and the second air guide sleeve 18, one end of the second rotating shaft is rotatably connected with the inner wall of the detection chamber 3, and the other end of the second rotating shaft is connected with the second gear 22 in a key mode; the second gear 22 is meshed with the first gear 21; the first mixing paddle 23 is arranged on the second rotating shaft 36; the second mixing paddle 24 is disposed on the first rotating shaft 16 and is located at the air inlet of the detection chamber 3.
In an alternative embodiment, a mounting frame 10 for the first rotating shaft 16 to pass through is arranged in the detection chamber 3; the mounting frame 10 corresponds to the second through hole 26; the tail gas component detection module 11 is arranged on the mounting frame 10.
In an alternative embodiment, the exhaust gas composition detection module 11 includes a hydroxide monitoring probe, a nitrogen oxide detection probe, and a carbon monoxide probe.
In an alternative embodiment, a filter assembly 13 is further disposed in the purification chamber 4; the filter assembly 13 includes a partition 43 and a filter plate 39; the partition plate 43 divides the purification chamber 4 into a first purification chamber and a second purification chamber; the filter plates 39 are arranged in a plurality of groups, and the filter plates 39 are respectively arranged in the first purification cavity and the second purification cavity; the top ends of the first purifying cavity and the second purifying cavity are provided with air holes 40; the bottom end of the second purification chamber is communicated with a gas quality monitoring device 37.
In an alternative embodiment, the lower end of the first purifying cavity is provided with an air outlet seat 44 and purifying liquid, and the top end is provided with a condensing plate 42; the air outlet seat 44 is communicated with the filter 12 and is immersed in the purified liquid, and a one-way valve is arranged on the air outlet seat 44.
In an optional embodiment, the device further comprises a water pipe 41, a spray head 38 and a water pump; the water inlet end of the water pipe 41 extends into the purifying liquid, and the water outlet end is communicated with the spray head 38; the spray head 38 is arranged at the upper end of the first purifying cavity; the water pump is provided on the water pipe 41.
The power generation device 6 and the heat exchanger 8 are arranged to recover kinetic energy and heat energy in the tail gas, so that the energy-saving and environment-friendly effects are strong; the tail gas mixing assembly 14 is arranged, the tail gas is guided by the first guide cover 17 and the second guide cover 18, and the first mixing frame 19, the second mixing frame 20, the first mixing paddle 23 and the second mixing paddle 24 are stirred to mix the tail gas, so that the tail gas is uniformly distributed, the components are stable, and the detection accuracy is improved; set up filter 12, purifying liquid and filtering component, the tail gas after multiple mode is detected purifies, and purifying effect is good, reduces environmental pollution.
Example 2
As shown in fig. 5 to 7, on the basis of the above-described embodiment, the present invention provides the first energy recovery chamber 1 with the anti-blocking assembly 30 acting on the filter cartridge 7; the anti-blocking assembly 30 comprises a second driving motor 31, a rotating roller 32, a transmission belt 33, an anti-blocking frame 34 and a cleaning brush 35; the rotating rollers 32 driven by the second driving motor 31 are rotatably arranged at two ends of the filter cartridge 7, penetrate through the filter cartridge 7 and extend to the outside of the filter cartridge 7; two groups of transmission belts 33 are arranged, the two groups of transmission belts 33 are respectively positioned at two sides of the filter cartridge 7, and two ends of each group of transmission belts 33 are respectively sleeved with the rotating rollers 32 at the corresponding sides; the anti-blocking frames 34 are arranged in two groups, and the two groups of anti-blocking frames 34 are positioned at the upper end and the lower end of the filter cylinder 7 and are respectively connected with the upper layer and the lower layer of the transmission belt 33; the cleaning brush 35 is provided on the side of the anti-clogging frame 34 close to the filter cartridge 7.
In an alternative embodiment, the anti-clogging frame 34 has an arc-shaped structure.
In an alternative embodiment, the first energy recovery compartment 1 is provided with a smoke recovery box 28.
According to the invention, the anti-blocking assembly 30 is arranged, the rotating roller 32 rotates to drive the transmission belt 33 to synchronously move, the two anti-blocking frames 34 reversely move, the cleaning brush 35 is used for cleaning the filter cartridge 7, the problem of poor tail gas circulation caused by blockage of the filter cartridge 7 is effectively avoided, the detection efficiency of the device is ensured, and in addition, the dust brushed down enters the dust recycling box 28, so that the cleaning is convenient.
Example 3
The invention also provides a method for detecting the components of the tail gas of the aircraft engine, which comprises the following steps:
s1, enabling the tail gas to enter the first energy recovery chamber 1 firstly, driving blades of the power generation equipment 6 to rotate at a high speed, storing the generated electric energy in the electric storage equipment 27 and supplying power to the device;
s2, filtering the tail gas by a filter cylinder 7, removing smoke dust, entering a second energy recovery chamber 2, and sequentially cooling and dehumidifying the tail gas by a heat exchanger 8 and a moisture absorption net 9;
s3, enabling the tail gas to enter the detection chamber 3, enabling the tail gas mixing assembly 14 to act, enabling the first rotating shaft 16 to rotate to drive the first mixing frame 19, the second mixing frame 20 and the second rotating shaft 36 to rotate synchronously, enabling the second mixing paddle 24 to break up the tail gas, enabling the tail gas to move along the first flow guide cover 17 and be mixed by the first mixing frame 19, enabling the first mixing paddle 23 to break up the tail gas again, enabling the tail gas to move along the second flow guide cover 18 and be mixed by the second mixing frame 20, enabling the tail gas to be mixed fully and finally to be low in temperature, and enabling the tail gas to move towards the tail gas component detection module 11;
s4, the tail gas component detection module 11 detects components in the tail gas, the controller 29 summarizes and analyzes the detection data, and the detection personnel read the detection result;
s5, filtering the tail gas through a filter 12, entering a purifying chamber 4, sequentially passing through a first purifying cavity and a second purifying cavity, soaking and spraying the tail gas by a purifying liquid, filtering the tail gas layer by a filter plate 39, and finally entering a gas quality monitoring device 37;
s6, detecting that the quality of the tail gas reaches the standard by the gas quality monitoring equipment 37, and discharging the tail gas from the three-way pipe 5;
and S7, detecting that the quality of the tail gas does not reach the standard by the gas quality monitoring equipment 37, returning the tail gas to the filter 12 from the three-way pipe 5, and treating the tail gas by the first purification cavity and the second purification cavity again until the tail gas reaches the standard.
The method for detecting the tail gas components of the aircraft engine is simple to operate, high in detection accuracy, low in energy consumption, energy-saving and environment-friendly.
Claims (10)
1. An aeroengine tail gas component detection device comprises a first energy recovery chamber (1), a second energy recovery chamber (2), a detection chamber (3), a purification chamber (4), a three-way pipe (5), electric power storage equipment (27), a controller (29) and gas quality monitoring equipment (37); the air inlet of the first energy recovery chamber (1) is provided with power generation equipment (6), and the air outlet is provided with a filter cartridge (7) communicated with the second energy recovery chamber (2); the electric storage device (27) is electrically connected with the power generation device (6); a heat exchanger (8) and a moisture absorption net (9) are arranged in the second energy recovery chamber (2) and are communicated with the detection chamber (3); a tail gas component detection module (11) and a filter (12) communicated with the purifying chamber (4) are arranged in the detection chamber (3); the gas quality monitoring device (37) is arranged at the gas outlet end of the purifying chamber (4); the three-way pipe (5) is communicated with the gas quality monitoring device (37) and the filter (12), and an air outlet pipe is arranged on the three-way pipe (5); characterized in that the device also comprises a tail gas mixing component (14); the tail gas mixing assembly (14) is arranged in the detection chamber (3); the tail gas mixing assembly (14) comprises a first driving motor (15), a first rotating shaft (16), a first air guide sleeve (17), a second air guide sleeve (18), a first mixing frame (19), a second mixing frame (20), a first gear (21), a second gear (22), a second rotating shaft (36), a first mixing paddle (23) and a second mixing paddle (24); the first air guide sleeve (17) and the second air guide sleeve (18) are arranged in the detection chamber (3) side by side along the airflow direction; a raised flow guide surface is arranged on the first flow guide cover (17), and a first through hole (25) is arranged at a position close to the inner wall of the detection chamber (3); a concave flow guide surface is arranged on the second flow guide cover (18), and a second through hole (26) is arranged at a position far away from the inner wall of the detection chamber (3); a first rotating shaft (16) driven by a first driving motor (15) is arranged along the horizontal direction and is rotationally connected with the centers of a first air guide sleeve (17) and a second air guide sleeve (18); the first mixing frame (19) and the second mixing frame (20) are arranged on the first rotating shaft (16) and are respectively matched with the flow guide surfaces of the first flow guide cover (17) and the second flow guide cover (18); the first gear (21) is connected to the first rotating shaft (16) in a key mode; the second rotating shaft (36) is arranged between the first air guide sleeve (17) and the second air guide sleeve (18), one end of the second rotating shaft is rotatably connected with the inner wall of the detection chamber (3), and the other end of the second rotating shaft is in key connection with the second gear (22); the second gear (22) is meshed with the first gear (21); the first mixing paddle (23) is arranged on the second rotating shaft (36); the second mixing paddle (24) is arranged on the first rotating shaft (16) and is positioned at the air inlet of the detection chamber (3).
2. The aircraft engine exhaust gas composition detection device according to claim 1, characterized in that a mounting frame (10) for the first rotating shaft (16) to pass through is arranged in the detection chamber (3); the mounting frame (10) corresponds to the second through hole (26); the tail gas component detection module (11) is arranged on the mounting frame (10).
3. The aircraft engine exhaust composition detection device according to claim 1, characterized in that the exhaust composition detection module (11) comprises a hydroxide monitoring probe, a nitrogen oxide detection probe and a carbon monoxide probe.
4. The aircraft engine exhaust gas composition detection device according to claim 1, characterized in that a filter assembly (13) is further arranged in the clean room (4); the filter assembly (13) comprises a partition plate (43) and a filter plate (39); the partition plate (43) divides the purification chamber (4) into a first purification cavity and a second purification cavity; the filter plates (39) are arranged in a plurality of groups, and the filter plates (39) are respectively arranged in the first purification cavity and the second purification cavity; air holes (40) are arranged at the top ends of the first purification cavity and the second purification cavity; the bottom end of the second purifying cavity is communicated with a gas quality monitoring device (37).
5. The aircraft engine exhaust composition detection device according to claim 4, wherein the first purification cavity is provided with an air outlet seat (44) and purification liquid at the lower end, and a condensation plate (42) at the top end; the air outlet seat (44) is communicated with the filter (12) and is immersed in the purified liquid, and a one-way valve is arranged on the air outlet seat (44).
6. The aircraft engine exhaust gas composition detection device according to claim 4, further comprising a water pipe (41), a spray head (38) and a water pump; the water inlet end of the water pipe (41) extends into the purifying liquid, and the water outlet end is communicated with the spray head (38); the spray head (38) is arranged at the upper end of the first purification cavity; the water pump is arranged on the water pipe (41).
7. An aircraft engine exhaust gas composition detection apparatus according to claim 1, characterised in that the first energy recovery chamber (1) is provided with an anti-clogging element (30) acting on the filter cartridge (7); the anti-blocking component (30) comprises a second driving motor (31), a rotating roller (32), a transmission belt (33), an anti-blocking frame (34) and a cleaning brush (35); the rotating rollers (32) driven by the second driving motor (31) are rotatably arranged at two ends of the filter cylinder (7), penetrate through the filter cylinder (7) and extend to the outside of the filter cylinder (7); two groups of transmission belts (33) are arranged, the two groups of transmission belts (33) are respectively positioned at two sides of the filter cartridge (7), and two ends of each group of transmission belts (33) are respectively sleeved with the rotating rollers (32) at the corresponding sides; the anti-blocking frames (34) are arranged in two groups, and the two groups of anti-blocking frames (34) are positioned at the upper end and the lower end of the filter cylinder (7) and are respectively connected with the upper layer and the lower layer of the transmission belt (33); the cleaning brush (35) is arranged on one side of the anti-blocking frame (34) close to the filter cylinder (7).
8. The aircraft engine exhaust composition detection device according to claim 7, characterized in that the anti-blocking frame (34) is of an arc structure.
9. The aircraft engine exhaust gas composition detection device according to claim 1, characterized in that the first energy recovery chamber (1) is provided with a smoke recovery box (28).
10. An operating method comprising the aircraft engine exhaust composition detection device according to any one of claims 1 to 9, characterized by the steps of: s1, enabling the tail gas to enter a first energy recovery chamber (1) firstly, driving blades of power generation equipment (6) to rotate at a high speed, storing the generated electric energy in electric storage equipment (27) and supplying power to the device; s2, filtering the tail gas by a filter cylinder (7), removing smoke dust, entering a second energy recovery chamber (2), and sequentially cooling and dehumidifying the tail gas by a heat exchanger (8) and a moisture absorption net (9); s3, enabling the tail gas to enter a detection chamber (3), enabling a tail gas mixing assembly (14) to act, enabling a first rotating shaft (16) to rotate to drive a first mixing frame (19), a second mixing frame (20) and a second rotating shaft (36) to synchronously rotate, scattering the tail gas by a second mixing paddle (24), enabling the tail gas to move along a first air guide sleeve (17), be mixed by the first mixing frame (19), scattering the tail gas again by a first mixing paddle (23), enabling the tail gas to move along a second air guide sleeve (18), be mixed by the second mixing frame (20), be fully mixed finally, reduce the temperature and move towards a tail gas component detection module (11); s4, the tail gas component detection module (11) detects components in the tail gas, the controller (29) summarizes and analyzes the detection data, and the detection personnel read the detection result; s5, filtering the tail gas through a filter (12), entering a purifying chamber (4), sequentially passing through a first purifying cavity and a second purifying cavity, soaking and spraying the tail gas by a purifying liquid, filtering the tail gas layer by a filter plate (39), and finally entering gas quality monitoring equipment (37); s6, detecting that the quality of the tail gas reaches the standard by the gas quality monitoring equipment (37), and discharging the tail gas from the three-way pipe (5); s7, detecting that the quality of the tail gas does not reach the standard by the gas quality monitoring equipment (37), returning to the filter (12) from the three-way pipe (5), and treating by the first purification cavity and the second purification cavity again until the quality of the tail gas reaches the standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111264937.6A CN114184743A (en) | 2021-10-28 | 2021-10-28 | Aeroengine tail gas composition detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111264937.6A CN114184743A (en) | 2021-10-28 | 2021-10-28 | Aeroengine tail gas composition detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114184743A true CN114184743A (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111264937.6A Withdrawn CN114184743A (en) | 2021-10-28 | 2021-10-28 | Aeroengine tail gas composition detection device |
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| CN (1) | CN114184743A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115655734A (en) * | 2022-12-13 | 2023-01-31 | 成立航空技术(成都)有限公司 | Engine quality detection device based on aeroengine combustion tail gas components |
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2021
- 2021-10-28 CN CN202111264937.6A patent/CN114184743A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115655734A (en) * | 2022-12-13 | 2023-01-31 | 成立航空技术(成都)有限公司 | Engine quality detection device based on aeroengine combustion tail gas components |
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Application publication date: 20220315 |