CN201352214Y - Device for evaluating performance of three-way catalyst coat material - Google Patents
Device for evaluating performance of three-way catalyst coat material Download PDFInfo
- Publication number
- CN201352214Y CN201352214Y CNU2008200814033U CN200820081403U CN201352214Y CN 201352214 Y CN201352214 Y CN 201352214Y CN U2008200814033 U CNU2008200814033 U CN U2008200814033U CN 200820081403 U CN200820081403 U CN 200820081403U CN 201352214 Y CN201352214 Y CN 201352214Y
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- gas
- way catalyst
- flowmeter
- mixer
- control reactor
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Abstract
The utility model provides a device for evaluating the performance of a three-way catalyst coat material, which comprises an air distributing device, a program temperature control reactor and a reaction gas analysis instrument. The air distributing device comprises a reducing valve, a reaction gas pipeline, a disconnecting valve, a tee, a tail gas absorption bottle, an analog gas steel bottle (nitrogen is adopted as a supporting gas and contains propylene, carbon oxide and nitrogen oxide with a given concentration) and a mixer. The program temperature control reactor comprises a flowmeter, a quartz reaction pipe, a temperature controller, a pipe-type reaction furnace and a thermoelectric couple. The reaction gas analysis instrument is portable. The quartz reaction pipe can have different structures.
Description
Technical field
The utility model relates to a kind of catalysis material assessment technique, in particular for the performance evaluation of powder catalytic material, specifically is the technology of three-way catalyst coating material performance evaluation.
Background technology
Three-way catalyst is the main device that reduces automobile gas emission pollution.Need to carry out coating material performance evaluation, the evaluation of catalyst performance stand and vehicle performance evaluation in the three-way catalyst performance history.Technical literature mainly concentrates on three-way catalyst stand and vehicle performance evaluation at present, and the three-effect catalysis material is estimated main employing temperature programme hydrogen reduction (TPR-H
2) experiment and traditional catalytic reactor technology.On the one hand, the relevance between the reducing property of the three-way catalyst coating material that obtains of temperature programme hydrogen reduction and the final three-way catalyst performance is relatively poor; On the other hand, traditional catalytic reactor technology does not have special air distributing device and analyser in order to estimate the performance of three-way catalyst coating material.Stand evaluation and car load evaluation can be assessed the coating material performance well, but its cost is higher consuming time longer.So carry out effective coating material performance evaluation, can significantly reduce the three-way catalyst cost of development.
Summary of the invention
For the catalytic performance and the reduction three-way catalyst cost of development of effective evaluation three-way catalyst coating material, the utility model provides a kind of three-way catalyst coating material to estimate device, and this system comprises air distributing device, temperature programmed control reactor and reacting gas analyser.Wherein air distributing device comprises: reduction valve (1), reaction gas pipeline (2), stop valve (3), threeway (4), tail gas absorption bottle (5), simulation gas cylinder (6), mixer (7), the temperature programmed control reactor comprises: flowmeter (8), crystal reaction tube (9), temperature controller (11), tubular react furnace (12), thermopair (13), the temperature programmed control reactor comprises: flowmeter (6), crystal reaction tube (9), temperature controller (11), tubular react furnace (12), thermopair (13), the reacting gas analyser is vehicle exhaust analyzer (10), wherein simulate gas cylinder (6) and be connected with mixer (7) by reaction gas pipeline (2), mixer (7) is connected with flowmeter (8), and flowmeter (8) is connected with crystal reaction tube (9), crystal reaction tube (9) is connected with vehicle exhaust analyzer (10), and tubular react furnace (12) is connected with temperature controller (11) by thermopair (13).
The technical scheme that its technical matters that solves the utility model adopts is: at first, the vehicle exhaust of particular flow rate simulation gas 6 (accompanying drawing 1 integrated air distributing method) or propylene 14, carbon monoxide 15, oxides of nitrogen 16, nitrogen 17 (accompanying drawing 2 discrete air distributing methods) and oxygen 2 mix in mixer 7; Then, the reaction gas that mixes reacts under the catalytic action of three-way catalyst coating material in temperature programmed control reactor 9; At last, reacted gas discharges through tail gas absorption bottle 5 after vehicle exhaust analyzer 10 is measured concentration.
In addition, the distribution part of this three-way catalyst coating material evaluation device can adopt the integrated air distributing method as accompanying drawing 1, also can adopt the discrete air distributing method as accompanying drawing 2.
In addition, the crystal reaction tube 9 of this three-way catalyst coating material evaluation device can have different calibers.Thereby both can estimate three-way catalyst coating material performance, can estimate the three-way catalyst sample again.
In addition, the reduction valve among attached Fig. 1 and 2 is used for the cyclinder gas decompression; It is quantitative that flowmeter 8 is used for flow; Three are common to when adjusting flow or 2 reacted gases of measurement internal bypass interval; Temperature controller 11, reacting furnace 12 and thermopair 13 are used for temperature programme control.
The beneficial effects of the utility model are: adopt this technical scheme can carry out the conversion ratio time relationship experiment of three-way catalyst coating material, the experiment of conversion temperature relation, the experiment of conversion ratio air-fuel ratio relation and macrodynamics experiment; Thereby the performance of effective evaluation three-way catalyst coating material significantly reduces the three-way catalyst cost of development.
Description of drawings
Fig. 1 is the process flow diagram of the utility model when adopting integrated distribution device; Fig. 2 is the process flow diagram of the utility model when adopting discrete distribution device.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment 1 is in Fig. 1: 1. reduction valve, 2. oxygen pipeline, 3. stop valve, 4. threeway, 5. tail gas absorption bottle, 6. (nitrogen is carrier gas to the simulation gas cylinder, include propylene, carbon monoxide and the nitrogen monoxide of specific concentrations), 7. mixer, 8. flowmeter, 9. crystal reaction tube, 10. vehicle exhaust analyzer, 11. temperature controller, 12. tubular react furnaces, 13. thermopairs, 14. propylene gas steel cylinder (pure propylene), 15. carbon monoxide gas cylinder (pure carbon monoxide), 16. nitrogen monoxide gas cylinders (pure nitric oxide), 17. nitrogen steel cylinders (pure nitrogen gas).Wherein simulating gas cylinder (6) is connected with mixer (7) by reaction gas pipeline (2), mixer (7) is connected with flowmeter (8), flowmeter (8) is connected with crystal reaction tube (9), crystal reaction tube (9) is connected with vehicle exhaust analyzer (10), and tubular react furnace (12) is connected with temperature controller (11) by thermopair (13).
At first, the vehicle exhaust of 400ml/min simulation gas 6 (3% CO, 0.36% C
3H
6, 0.6% NO, N
2Be carrier gas) and oxygen 2 (5% O of 400ml/min
2, N
2Be carrier gas) in mixer 7, mix; Then, the reaction gas that mixes will be with flow (1.5% CO, 0.18% C of 800ml/min
3H
6, 0.3% NO, 2.5% O
2, N
2Be carrier gas) in temperature programmed control reactor 9, under the catalytic action of three-way catalyst coating material, react; At last, reacted gas discharges through tail gas absorption bottle 5 after vehicle exhaust analyzer 10 is measured concentration.
Claims (1)
1. device of estimating three-way catalyst coating material performance, comprise air distributing device, temperature programmed control reactor and reacting gas analyser, it is characterized in that described air distributing device comprises: reduction valve (1), reaction gas pipeline (2), stop valve (3), threeway (4), tail gas absorption bottle (5), simulation gas cylinder (6), mixer (7), described temperature programmed control reactor comprises: flowmeter (8), crystal reaction tube (9), temperature controller (11), tubular react furnace (12), thermopair (13), described temperature programmed control reactor comprises: flowmeter (6), crystal reaction tube (9), temperature controller (11), tubular react furnace (12), thermopair (13), described reacting gas analyser is vehicle exhaust analyzer (10), wherein simulate gas cylinder (6) and be connected with mixer (7) by reaction gas pipeline (2), mixer (7) is connected with flowmeter (8), and flowmeter (8) is connected with crystal reaction tube (9), crystal reaction tube (9) is connected with vehicle exhaust analyzer (10), and tubular react furnace (12) is connected with temperature controller (11) by thermopair (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200814033U CN201352214Y (en) | 2008-07-21 | 2008-07-21 | Device for evaluating performance of three-way catalyst coat material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200814033U CN201352214Y (en) | 2008-07-21 | 2008-07-21 | Device for evaluating performance of three-way catalyst coat material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201352214Y true CN201352214Y (en) | 2009-11-25 |
Family
ID=41375602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200814033U Expired - Lifetime CN201352214Y (en) | 2008-07-21 | 2008-07-21 | Device for evaluating performance of three-way catalyst coat material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201352214Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982771A (en) * | 2010-10-27 | 2011-03-02 | 重庆海特汽车排气***有限公司 | Performance detecting system for automobile tail gas purifier |
| CN102353399A (en) * | 2011-07-05 | 2012-02-15 | 上海电力学院 | Conversion system for flue gas in flue of coal-fired boiler and simulation method thereof |
| CN102565287A (en) * | 2012-01-05 | 2012-07-11 | 上海电力学院 | Evaluation device for coal-fired flue gas pollutant sorbent and application thereof |
| CN102588058A (en) * | 2012-02-21 | 2012-07-18 | 西华大学 | Testing system for post-processing device of engine |
| CN104142380A (en) * | 2014-08-22 | 2014-11-12 | 上海化工研究院 | Pressure balance type ultra-small catalytic reaction efficiency comparison evaluating device |
| CN106018704A (en) * | 2016-07-07 | 2016-10-12 | 洛阳高昌机电科技有限公司 | Nitrogen trifluoride leakage concentration detection device |
-
2008
- 2008-07-21 CN CNU2008200814033U patent/CN201352214Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982771A (en) * | 2010-10-27 | 2011-03-02 | 重庆海特汽车排气***有限公司 | Performance detecting system for automobile tail gas purifier |
| CN101982771B (en) * | 2010-10-27 | 2013-10-16 | 重庆海特汽车排气***有限公司 | Performance detecting system for automobile tail gas purifier |
| CN102353399A (en) * | 2011-07-05 | 2012-02-15 | 上海电力学院 | Conversion system for flue gas in flue of coal-fired boiler and simulation method thereof |
| CN102565287A (en) * | 2012-01-05 | 2012-07-11 | 上海电力学院 | Evaluation device for coal-fired flue gas pollutant sorbent and application thereof |
| CN102588058A (en) * | 2012-02-21 | 2012-07-18 | 西华大学 | Testing system for post-processing device of engine |
| CN102588058B (en) * | 2012-02-21 | 2013-07-10 | 西华大学 | Testing system for post-processing device of engine |
| CN104142380A (en) * | 2014-08-22 | 2014-11-12 | 上海化工研究院 | Pressure balance type ultra-small catalytic reaction efficiency comparison evaluating device |
| CN106018704A (en) * | 2016-07-07 | 2016-10-12 | 洛阳高昌机电科技有限公司 | Nitrogen trifluoride leakage concentration detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091125 |
|
| CX01 | Expiry of patent term |