CN107490482B - Turbocharger durability assessment test carbon deposit collector and method for collecting carbon deposit - Google Patents
Turbocharger durability assessment test carbon deposit collector and method for collecting carbon deposit Download PDFInfo
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- CN107490482B CN107490482B CN201710712400.9A CN201710712400A CN107490482B CN 107490482 B CN107490482 B CN 107490482B CN 201710712400 A CN201710712400 A CN 201710712400A CN 107490482 B CN107490482 B CN 107490482B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000002485 combustion reaction Methods 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 32
- 239000010935 stainless steel Substances 0.000 claims description 32
- 230000007704 transition Effects 0.000 claims description 3
- 239000000446 fuel Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance 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
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Supercharger (AREA)
Abstract
The collector comprises a high-temperature gas branch pipe, a rectifying filter, a carbon deposit separator and a carbon deposit collecting bottle. The gas outlet of the rectifying filter is connected with the gas inlet of the high-temperature gas branch pipe, the gas inlet of the rectifying filter is connected with the gas outlet of the carbon deposit separator, and the carbon deposit outlet of the carbon deposit separator is connected with the carbon deposit collecting bottle. During the test, the gas outlet of combustion chamber is connected with the air inlet of carbon deposit separator, and the gas outlet of high temperature gas branch pipe is connected with the air inlet of connecting pipe, and the gas outlet of connecting pipe is connected with the air inlet of turbo charger. When the high-temperature and high-pressure gas in the combustion chamber drives the turbine to do work through the rectification of the rectification filter, the rectification filter plays roles in rectification and filtration, carbon deposit in high-temperature gas flow is prevented from entering the gas branch pipe, and carbon deposit generated in the combustion chamber in the test process falls into the carbon deposit collecting bottle from a carbon deposit outlet of the carbon deposit collecting branch pipe.
Description
Technical Field
The invention relates to the technical field of turbochargers, in particular to a carbon deposit collector for a turbocharger durability assessment test and a carbon deposit collecting method.
Background
The exhaust gas turbocharging technology mainly enables fuel to be fully combusted, so that fuel consumption is reduced, harmful substances in exhaust gas are reduced, and finally energy conservation and environmental protection are realized. In order to meet the requirements of energy conservation, emission reduction and high-power restoration of the engine on the plateau, the high-pressure ratio and light weight of the supercharger are required to be more severe by each engine factory at present. In the trial production development stage of the supercharger, the test requirements on the supercharger are higher and higher, and corresponding test projects are more and more. For example, durability test of the turbocharger.
The existing turbocharger durability test is completed on a turbocharger durability test table, the turbocharger durability test is shown in the attached figure 1, an air inlet of a combustion chamber 1 of the test table is connected with an air inlet of a connecting pipe 2 through a flange, and an air outlet of the connecting pipe 2 is connected with an air inlet of a turbocharger 3 through a flange.
In the test process, the pressure of fuel, namely the flow of the fuel and the mixing proportion of compressed air, is mainly controlled, atomized fuel is ignited through electronic ignition in a combustion chamber 1 of a test bed to generate high-temperature and high-pressure hot gas, so that the tail gas generated by a simulated engine is completed, and then the turbine is driven to work through the high-temperature and high-pressure hot gas, and the turbine drives a coaxially-connected compressor impeller to rotate at a high speed.
However, in the test process, the fuel in the combustion chamber 1 is not completely and fully combusted, a part of tiny fuel sprayed by the fuel spray nozzle can coke on the inner wall of the combustion chamber 1, and the coking on the inner wall of the combustion chamber 1 can gradually become larger and finally become carbon deposit because the test bed runs under the environment of high temperature and high pressure for a long time, and when the carbon deposit suddenly drops off, the steel wheel blade rotating at high speed can be damaged along with the high temperature and high pressure air flow entering the turbocharger. In the test, the examination test must be restarted, so that the labor cost, the fuel cost, the test sample making cost and the like of the test are greatly increased, and the potential safety hazard exists.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a carbon deposit collector for a turbocharger durability test and a method for collecting carbon deposit.
The technical scheme of the invention is as follows: the turbocharger endurance test carbon deposit collector comprises a high-temperature gas branch pipe, a rectifying filter, a carbon deposit separator and a carbon deposit collecting bottle.
The rectifying filter consists of a cylinder body with flanges at two ends and a filter, the length L1 of the cylinder body of the rectifying filter is 1-2 times of the inner diameter D1 of the cylinder body, and the filter is fixedly arranged in the cylinder body.
The filter is made of a plurality of small hexagonal stainless steel pipes and large hexagonal stainless steel pipes with different cross-sectional areas, and the cross-sectional area of the large hexagonal stainless steel pipes is 1.2-1.5 times of that of the small hexagonal stainless steel pipes. With the center line X of the cross section of the cylinder body as a reference, the large hexagonal stainless steel pipes are intensively arranged on the right side of the center line X, the small hexagonal stainless steel pipes are intensively arranged on the left side of the center line X, a transition zone from the small hexagonal stainless steel pipes to the large hexagonal stainless steel pipes is formed at the center line X, and the section of the whole filter is similar to a honeycomb shape. The air inlet of the filter is an inclined plane, the included angle a1 of the inclined plane is 25-35 degrees, and the joint surface of the small hexagonal stainless steel tube and the large hexagonal stainless steel tube is overlapped with the central line X on the inclined plane.
The filter adopts two stainless steel pipes with different cross-sectional areas, and the air inlet of the filter is designed to be an inclined plane, so that the problem of non-uniformity of a high-temperature gas flow field in the high-temperature gas branch pipe 4 is better solved.
The air inlet of the carbon deposit separator is provided with an air inlet flange, the air outlet of the carbon deposit separator is provided with an air outlet flange, and the carbon deposit outlet of the carbon deposit separator is provided with an internal thread connected with a carbon deposit collecting bottle. The distance from the carbon outlet end face of the carbon deposit separator to the air inlet end face of the carbon deposit separator is smaller than the distance from the air outlet end face of the carbon deposit separator to the air inlet end face of the carbon deposit separator.
The inner diameter D2 of the carbon deposit collecting bottle is not more than 1.5 times of the inner diameter D3 of the carbon deposit separator pipeline, and the height L2 of the carbon deposit collecting bottle is not more than 2 times of the inner diameter D3 of the carbon deposit separator pipeline.
The gas outlet of the rectifying filter is connected with the gas inlet of the high-temperature gas branch pipe through a flange, the gas inlet of the rectifying filter is connected with the gas outlet of the carbon deposit separator through a flange, and the carbon deposit outlet of the carbon deposit separator is connected with the carbon deposit collecting bottle through threads.
The invention also provides a method for collecting carbon deposit by adopting the turbocharger durability assessment test carbon deposit collector, which comprises the following specific collection processes:
During the test, the gas outlet of the combustion chamber is connected with the gas inlet of the carbon deposit separator through a flange, the gas outlet of the high-temperature gas branch pipe is connected with the gas inlet of the connecting pipe through a flange, and the gas outlet of the connecting pipe is connected with the gas inlet of the turbocharger through a flange.
When the high-temperature and high-pressure gas in the combustion chamber drives the turbine to do work through the rectification of the rectification filter, the rectification filter plays roles in rectification and filtration, carbon deposit in high-temperature gas flow is prevented from entering the gas branch pipe, and carbon deposit generated in the combustion chamber in the test process falls into the carbon deposit collecting bottle from a carbon deposit outlet of the carbon deposit collecting branch pipe.
Compared with the prior art, the invention has the following characteristics:
According to the turbocharger durability assessment test carbon collector provided by the invention, hot gas is separated from carbon deposit in the turbocharger durability assessment test process on the premise of not affecting the functions of the existing turbocharger test bed, the carbon deposit is convenient to clean, and further the turbocharger faults caused by the carbon deposit are reduced, so that the durability and stability of the turbocharger durability assessment test can be improved, the labor cost, the fuel cost, the sample making cost and the like of the test are greatly reduced, and the potential safety hazard problem in the test is solved.
The detailed structure of the present invention is further described below with reference to the accompanying drawings and detailed description.
Drawings
FIG. 1 is a schematic diagram of a prior art turbocharger durability test;
FIG. 2 is a schematic diagram of a durability test of a turbocharger provided by the invention;
Fig. 3 is a schematic structural view of the rectifying filter 5;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a schematic structural view of the carbon deposit collecting branch pipe 6.
Detailed Description
The turbocharger endurance test carbon deposit collector comprises a high-temperature gas branch pipe 4, a rectifying filter 5, a carbon deposit separator 6 and a carbon deposit collecting bottle 7.
The rectifying filter 5 consists of a cylinder 5-1 with flanges at two ends and a filter, wherein the length L1 of the cylinder 5-1 of the rectifying filter 5 is 1.5 times of the inner diameter D1 of the cylinder 5-1, and the filter is fixedly arranged in the cylinder 5-1.
The filter is made of a plurality of small hexagonal stainless steel pipes 5-3 and large hexagonal stainless steel pipes 5-2 with different cross-sectional areas, and the cross-sectional area of the large hexagonal stainless steel pipes 5-2 is 1.3 times that of the small hexagonal stainless steel pipes 5-3. Based on the center line X of the cross section of the cylinder body 5-1, the large hexagonal stainless steel pipes 5-2 are intensively arranged on the right side of the center line X, the small hexagonal stainless steel pipes 5-3 are intensively arranged on the left side of the center line X, a transition zone from the small hexagonal stainless steel pipes 5-3 to the large hexagonal stainless steel pipes 5-2 is formed at the center line X, and the section of the whole filter is similar to a honeycomb shape. The air inlet of the filter is an inclined plane, the included angle a1 of the inclined plane is 30 degrees, and the joint surface of the small hexagonal stainless steel pipe 5-3 and the large hexagonal stainless steel pipe 5-2 is overlapped with the central line X on the inclined plane.
The filter adopts two stainless steel pipes with different cross-sectional areas, and the air inlet of the filter is designed to be an inclined plane, so that the problem of non-uniformity of a high-temperature gas flow field in the high-temperature gas branch pipe 4 is better solved.
The air inlet of the carbon deposit separator 6 is provided with an air inlet flange 6-1, the air outlet of the carbon deposit separator 6 is provided with an air outlet flange 6-2, and the carbon deposit outlet of the carbon deposit separator 6 is provided with an internal thread 6-3 connected with a carbon deposit collecting bottle 7. The distance from the carbon outlet end face of the carbon separator 6 to the air inlet end face of the carbon separator 6 is smaller than the distance from the air outlet end face of the carbon separator 6 to the air inlet end face of the carbon separator 6.
The inner diameter D2 of the carbon deposit collecting bottle 7 is not more than 1.5 times of the inner diameter D3 of the pipeline of the carbon deposit separator 6, and the height L2 of the carbon deposit collecting bottle 7 is not more than 2 times of the inner diameter D3 of the pipeline of the carbon deposit separator 6.
The gas outlet of the rectifying filter 5 is connected with the gas inlet of the high-temperature gas branch pipe 4 through a flange, the gas inlet of the rectifying filter 5 is connected with the gas outlet of the carbon deposit separator 6 through a flange, and the carbon deposit outlet of the carbon deposit separator 6 is connected with the carbon deposit collecting bottle 7 through threads.
The process of collecting carbon deposit by the turbocharger durability test carbon deposit collector is as follows,
During the test, the gas outlet of combustion chamber 1 passes through flange joint with the air inlet of carbon deposit separator 6, and the gas outlet of high temperature gas branch pipe 4 passes through flange joint with the air inlet of connecting pipe 2, and the air outlet of connecting pipe 2 passes through flange joint with the air inlet of turbo charger 3.
When the high-temperature and high-pressure gas in the combustion chamber 1 drives the turbine to do work through the rectification of the rectification filter 5, the rectification filter 5 plays roles in rectification and filtration, carbon deposit in high-temperature gas flow is prevented from entering the gas branch pipe 4, and carbon deposit generated in the test process of the combustion chamber 1 falls into the carbon deposit collecting bottle 7 from a carbon deposit outlet of the carbon deposit collecting branch pipe 6.
Claims (2)
1. The method for collecting carbon deposit by adopting the carbon deposit collector in the turbocharger durability assessment test is characterized by comprising the following steps of:
The turbocharger endurance assessment test carbon deposit collector comprises a high-temperature gas branch pipe, a rectifying filter, a carbon deposit separator and a carbon deposit collecting bottle;
the rectifying filter consists of a cylinder body with flanges at two ends and a filter, and the filter is fixedly arranged in the cylinder body;
the filter is made of a plurality of small hexagonal stainless steel pipes and large hexagonal stainless steel pipes with different cross-sectional areas, and the cross-sectional area of the large hexagonal stainless steel pipes is 1.2-1.5 times of that of the small hexagonal stainless steel pipes;
Taking the center line X of the cross section of the cylinder body as a reference, arranging large hexagonal stainless steel pipes on the right side of the center line X in a concentrated manner, arranging small hexagonal stainless steel pipes on the left side of the center line X in a concentrated manner, and forming a transition zone from the small hexagonal stainless steel pipes to the large hexagonal stainless steel pipes at the center line X, wherein the section of the whole filter is similar to a honeycomb shape;
the air inlet of the filter is an inclined plane, the included angle a1 of the inclined plane is 25-35 degrees, and the joint surface of the small hexagonal stainless steel tube and the large hexagonal stainless steel tube is overlapped with the central line X on the inclined plane;
The gas inlet of the carbon deposit separator is provided with a gas inlet flange, the gas outlet of the carbon deposit separator is provided with a gas outlet flange, the carbon deposit outlet of the carbon deposit separator is provided with an internal thread connected with a carbon deposit collecting bottle, and the distance from the end surface of the carbon deposit outlet of the carbon deposit separator to the end surface of the gas inlet of the carbon deposit separator is smaller than the distance from the end surface of the gas outlet of the carbon deposit separator to the end surface of the gas inlet of the carbon deposit separator;
The inner diameter D2 of the carbon deposit collecting bottle is not more than 1.5 times of the inner diameter D3 of the carbon deposit separator pipeline, and the height L2 of the carbon deposit collecting bottle is not more than 2 times of the inner diameter D3 of the carbon deposit separator pipeline;
the gas outlet of the rectifying filter is connected with the gas inlet of the high-temperature gas branch pipe through a flange, the gas inlet of the rectifying filter is connected with the gas outlet of the carbon deposit separator through a flange, and the carbon deposit outlet of the carbon deposit separator is connected with the carbon deposit collecting bottle through threads;
the specific collection process is as follows:
in the test, the air outlet of the combustion chamber is connected with the air inlet of the carbon deposit separator through a flange, the air outlet of the high-temperature gas branch pipe is connected with the air inlet of the connecting pipe through a flange, and the air outlet of the connecting pipe is connected with the air inlet of the turbocharger through a flange;
When the high-temperature and high-pressure gas in the combustion chamber drives the turbine to do work through the rectification of the rectification filter, the rectification filter plays roles in rectification and filtration, carbon deposit in high-temperature gas flow is prevented from entering the gas branch pipe, and carbon deposit generated in the combustion chamber in the test process falls into the carbon deposit collecting bottle from a carbon deposit outlet of the carbon deposit collecting branch pipe.
2. The method for collecting carbon deposit by using a turbocharger durability assessment test carbon deposit collector according to claim 1, characterized by: the length L1 of the rectifying filter cylinder body is 1-2 times of the inner diameter D1 of the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712400.9A CN107490482B (en) | 2017-08-18 | 2017-08-18 | Turbocharger durability assessment test carbon deposit collector and method for collecting carbon deposit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712400.9A CN107490482B (en) | 2017-08-18 | 2017-08-18 | Turbocharger durability assessment test carbon deposit collector and method for collecting carbon deposit |
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| CN107490482A CN107490482A (en) | 2017-12-19 |
| CN107490482B true CN107490482B (en) | 2024-04-19 |
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| CN201710712400.9A Active CN107490482B (en) | 2017-08-18 | 2017-08-18 | Turbocharger durability assessment test carbon deposit collector and method for collecting carbon deposit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883510A (en) * | 1988-02-12 | 1989-11-28 | Giambattista Giusti | Gas inlet construction for fabric filter dust collections |
| DE4303720A1 (en) * | 1993-02-09 | 1994-08-11 | Kloeckner Humboldt Deutz Ag | Particle filter system |
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| JP2012115794A (en) * | 2010-12-02 | 2012-06-21 | Nippon Spindle Mfg Co Ltd | Dust collector |
| CN203829806U (en) * | 2014-05-21 | 2014-09-17 | 天津越昊燃气有限公司 | Gas filter |
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| CN207487974U (en) * | 2017-08-18 | 2018-06-12 | 湖南天雁机械有限责任公司 | The durable certification test carbon deposit collector of turbocharger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365252C (en) * | 2002-03-04 | 2008-01-30 | 揖斐电株式会社 | Honeycomb filter for exhaust gas decontamination and exhaust gas decontamination apparatus |
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2017
- 2017-08-18 CN CN201710712400.9A patent/CN107490482B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883510A (en) * | 1988-02-12 | 1989-11-28 | Giambattista Giusti | Gas inlet construction for fabric filter dust collections |
| DE4303720A1 (en) * | 1993-02-09 | 1994-08-11 | Kloeckner Humboldt Deutz Ag | Particle filter system |
| CN1671459A (en) * | 2002-09-13 | 2005-09-21 | 揖斐电株式会社 | Filter |
| CN201164772Y (en) * | 2008-01-03 | 2008-12-17 | 中国京冶工程技术有限公司 | Big chamber big ash bucket bag-type dust remover with improved blowing ash removing strength |
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| CN203829806U (en) * | 2014-05-21 | 2014-09-17 | 天津越昊燃气有限公司 | Gas filter |
| CN203869872U (en) * | 2014-05-22 | 2014-10-08 | 宁波威孚天力增压技术有限公司 | Combustion chamber in turbocharger test bench |
| WO2016013516A1 (en) * | 2014-07-23 | 2016-01-28 | イビデン株式会社 | Honeycomb filter |
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