CN204283564U - A kind of Exhaust gas purifying device being applicable to diesel engine - Google Patents
A kind of Exhaust gas purifying device being applicable to diesel engine Download PDFInfo
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- CN204283564U CN204283564U CN201420654182.XU CN201420654182U CN204283564U CN 204283564 U CN204283564 U CN 204283564U CN 201420654182 U CN201420654182 U CN 201420654182U CN 204283564 U CN204283564 U CN 204283564U
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Abstract
The utility model discloses a kind of Exhaust gas purifying device being applicable to diesel engine, it relates to Exhaust gas purifying device field, one end of compressor is connected with one end of turbine, the lower end of gas exhaust manifold is connected with the upper end of turbine, the other end of compressor is connected with air cleaner by the first admission line, the lower end of compressor is connected with one end of cooler by the second admission line, the other end of cooler is connected with motor by the 3rd admission line, one end of turbine is connected with housing by outlet pipe, housing is provided with high temperature active selective reduction catalyst and low temperature active selective reduction catalyst, jet nozzles is provided with in the storage tank of the inlet region of housing, jet nozzles is connected with supply pump by urea water supply pipeline, one end of urea water supply pipeline is arranged in urea water tank.Its reasonable in design, simple to operate, easy to use, special catalyzer is adopted to improve the activity of reaction, expand the active temperature range of reducing agent thus, to make the degree of redution of oxynitrides in the temperature range of a larger exhaust, improve the purification efficiency of oxynitrides.
Description
Technical field
The utility model relates to a kind of Exhaust gas purifying device being applicable to diesel engine, belongs to Exhaust gas purifying device technical field.
Background technique
In traditional field, the outlet pipe of diesel engine carries out discharging waste gas body, containing harmful gas oxynitrides in the waste gas body of discharge, need be removed, in order to avoid befouling environment.The diesel engine of prior art on bus, conventional selective reduction medium ammonia and oxynitrides effect, generate nitrogen and water, to remove oxynitrides, selective reduction agent ammonia is the main chemical of known industrial smoke denitration, but in the car, the Security of this kind of reducing agent is adopted to be difficult to ensure, therefore increasing Exhaust gas purifying device adopts urea water as reducing agent, the active temperature region of most reducing agents is identical, and the activity of reducing agent also depends on the composition of catalyzer.Therefore, a kind of reducing catalyst is selected to remain one of large task needing to solve to the active temperature range expanding reducing agent.
Summary of the invention
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of Exhaust gas purifying device being applicable to diesel engine.
A kind of Exhaust gas purifying device being applicable to diesel engine of the present utility model, it comprises motor, turbosupercharger, compressor, turbine, gas exhaust manifold, first admission line, air cleaner, second admission line, cooler, 3rd admission line, outlet pipe, housing, high temperature active selective reduction catalyst, low temperature active selective reduction catalyst, jet nozzles, urea water supply pipeline, supply pump, urea water tank, turbosupercharger and gas exhaust manifold is provided with in motor, compressor and turbine is provided with in turbosupercharger, one end of compressor is connected with one end of turbine, the lower end of gas exhaust manifold is connected with the upper end of turbine, the other end of compressor is connected with air cleaner by the first admission line, the lower end of compressor is connected with one end of cooler by the second admission line, the other end of cooler is connected with motor by the 3rd admission line, one end of turbine is connected with housing by outlet pipe, housing is provided with high temperature active selective reduction catalyst and low temperature active selective reduction catalyst, jet nozzles is provided with in the storage tank of the inlet region of housing, jet nozzles is connected with supply pump by urea water supply pipeline, and one end of urea water supply pipeline is arranged in urea water tank.
As preferably, described housing is provided with high temperature active selective reduction catalyst and low temperature active selective reduction catalyst.
As preferably, described high temperature active selective reduction catalyst adopts vanadium catalyst.
As preferably, described low temperature active selective reduction catalyst adopts copper/zeolite catalyst, iron/zeolite catalyst, cobalt/zeolite catalyst, silver/zeolite catalyst, or copper/aluminium oxide catalyst, iron/aluminium oxide catalyst, cobalt/aluminium oxide catalyst, silver/aluminium oxide catalyst, wherein these catalyzer are catalyzer comparatively common in industrial chemical.
The beneficial effects of the utility model: its reasonable in design, simple to operate, easy to use, special catalyzer is adopted to improve the activity of reaction, expand the active temperature range of reducing agent thus, to make the degree of redution of oxynitrides in the temperature range of a larger exhaust, improve the purification efficiency of oxynitrides.
Accompanying drawing illustrates:
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is structural representation of the present utility model.
1-motor; 2-turbosupercharger; 3-compressor; 4-turbine; 5-gas exhaust manifold; 6-first admission line; 7-air cleaner; 8-second admission line; 9-cooler; 10-the 3rd admission line; 11-outlet pipe; 12-housing; 13-high temperature active selective reduction catalyst; 14-low temperature active selective reduction catalyst; 15-jet nozzles; 16-urea water supply pipeline; 17-supply pump; 18-urea water tank.
Embodiment:
As shown in Figure 1, this embodiment by the following technical solutions: it comprises motor 1, turbosupercharger 2, compressor 3, turbine 4, gas exhaust manifold 5, first admission line 6, air cleaner 7, second admission line 8, cooler 9, 3rd admission line 10, outlet pipe 11, housing 12, high temperature active selective reduction catalyst 13, low temperature active selective reduction catalyst 14, jet nozzles 15, urea water supply pipeline 16, supply pump 17, urea water tank 18, turbosupercharger 2 and gas exhaust manifold 5 is provided with in motor 1, compressor 3 and turbine 4 is provided with in turbosupercharger 2, one end of compressor 3 is connected with one end of turbine 4, the lower end of gas exhaust manifold 5 is connected with the upper end of turbine 4, the other end of compressor 3 is connected with air cleaner 7 by the first admission line 6, the lower end of compressor 3 is connected with one end of cooler 9 by the second admission line 8, the other end of cooler 9 is connected with motor 1 by the 3rd admission line 10, one end of turbine 4 is connected with housing 12 by outlet pipe 11, jet nozzles 15 is provided with in the storage tank of the inlet region of housing 12, jet nozzles 15 is connected with supply pump 17 by urea water supply pipeline 16, and one end of urea water supply pipeline 16 is arranged in urea water tank 18.
Wherein, described housing 12 is provided with high temperature active selective reduction catalyst 13 and low temperature active selective reduction catalyst 14;
Wherein, described high temperature active selective reduction catalyst 13 adopts vanadium catalyst.
Wherein, described low temperature active selective reduction catalyst 14 adopts copper/zeolite catalyst, iron/zeolite catalyst, cobalt/zeolite catalyst, silver/zeolite catalyst, or copper/aluminium oxide catalyst, iron/aluminium oxide catalyst, cobalt/aluminium oxide catalyst, silver/aluminium oxide catalyst, wherein these catalyzer are catalyzer comparatively common in industrial chemical.
This embodiment in use, air is fed through compressor 3 from air cleaner 7 via the first admission line 6, thus add and be pressed in compressor 3 and be fed in middle cooler 9 cooled further, after cooled air is directed into intake manifold from cooler 9, be introduced in the motor 1 in each cylinder, waste gas is discharged from the cylinder of each motor 1 and is admitted to via the turbine 4 of gas exhaust manifold 5 to turbosupercharger 2, the exhaust that thus waste gas have driving turbine 4 is discharged outside car by outlet pipe 11, the exhaust of flowing in outlet pipe 11 is by its gas is in a housing 12, housing 12 is by urea water supply pipeline 16 in the inlet region of outlet pipe 11, be configured in required site with urea water tank 18 to couple together, in the urea water caused by the braking introducing supply pump 17 at urea water supply pipeline 16, be added to by jet nozzles 15 in the storage tank of the inlet region of housing 12.
This embodiment reasonable in design, simple to operate, easy to use, special catalyzer is adopted to improve the activity of reaction, expand the active temperature range of reducing agent thus, to make the degree of redution of oxynitrides in the temperature range of a larger exhaust, improve the purification efficiency of oxynitrides.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. one kind is applicable to the Exhaust gas purifying device of diesel engine, it is characterized in that: it comprises motor (1), turbosupercharger (2), compressor (3), turbine (4), gas exhaust manifold (5), first admission line (6), air cleaner (7), second admission line (8), cooler (9), 3rd admission line (10), outlet pipe (11), housing (12), high temperature active selective reduction catalyst (13), low temperature active selective reduction catalyst (14), jet nozzles (15), urea water supply pipeline (16), supply pump (17), urea water tank (18), turbosupercharger (2) and gas exhaust manifold (5) is provided with in motor (1), compressor (3) and turbine (4) is provided with in turbosupercharger (2), one end of compressor (3) is connected with one end of turbine (4), the lower end of gas exhaust manifold (5) is connected with the upper end of turbine (4), the other end of compressor (3) is connected with air cleaner (7) by the first admission line (6), the lower end of compressor (3) is connected with one end of cooler (9) by the second admission line (8), the other end of cooler (9) is connected with motor (1) by the 3rd admission line (10), one end of turbine (4) is connected with housing (12) by outlet pipe (11), housing (12) is provided with high temperature active selective reduction catalyst (13) and low temperature active selective reduction catalyst (14), jet nozzles (15) is provided with in the storage tank of the inlet region of housing (12), jet nozzles (15) is connected with supply pump (17) by urea water supply pipeline (16), one end of urea water supply pipeline (16) is arranged in urea water tank (18).
2. a kind of Exhaust gas purifying device being applicable to diesel engine according to claim 1, is characterized in that: described high temperature active selective reduction catalyst (13) adopts vanadium catalyst.
3. a kind of Exhaust gas purifying device being applicable to diesel engine according to claim 1, it is characterized in that: described low temperature active selective reduction catalyst (14) adopts copper/zeolite catalyst, iron/zeolite catalyst, cobalt/zeolite catalyst, silver/zeolite catalyst, or copper/aluminium oxide catalyst, iron/aluminium oxide catalyst, cobalt/aluminium oxide catalyst, silver/aluminium oxide catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654182.XU CN204283564U (en) | 2014-11-05 | 2014-11-05 | A kind of Exhaust gas purifying device being applicable to diesel engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654182.XU CN204283564U (en) | 2014-11-05 | 2014-11-05 | A kind of Exhaust gas purifying device being applicable to diesel engine |
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| CN204283564U true CN204283564U (en) | 2015-04-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282917A (en) * | 2020-09-25 | 2021-01-29 | 潍柴动力股份有限公司 | Engine thermal management system and vehicle |
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2014
- 2014-11-05 CN CN201420654182.XU patent/CN204283564U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282917A (en) * | 2020-09-25 | 2021-01-29 | 潍柴动力股份有限公司 | Engine thermal management system and vehicle |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Xiujuan Inventor before: Zhang Yinhua |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151222 Address after: Cangshan District of Fuzhou City, Fujian province 350028 Jinshan Road No. 618 juyuanzhou Industrial Park, Cangshan Park, No. 5, No. 6, No. 7 Building Patentee after: Wai Hing Company Limited Address before: Fuchun Street Jinping road Fuyang city Hangzhou city Zhejiang province 311400 No. 19 Building No. 6 room 717 Patentee before: FUYANG KEXIN ECONOMIC INFORMATION CONSULTING CO., LTD. |