CN1107156C - High-temp. CO and HC decomposing device for gasoline engine - Google Patents
High-temp. CO and HC decomposing device for gasoline engine Download PDFInfo
- Publication number
- CN1107156C CN1107156C CN99100884A CN99100884A CN1107156C CN 1107156 C CN1107156 C CN 1107156C CN 99100884 A CN99100884 A CN 99100884A CN 99100884 A CN99100884 A CN 99100884A CN 1107156 C CN1107156 C CN 1107156C
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- hemisphere screen
- hemisphere
- screen cloth
- petrolic
- temperature
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Abstract
The present invention relates to a high-temperature CO and HC decomposing device for a gasoline engine. A plurality of hemisphere screen meshes of a nickel-chromium steel wire are assembled to a sealing device in a delaminating mode by the device. The present invention is installed at a general output end of an engine exhaust pipe, and under the function of exhaust temperature, a plurality of layers of hemisphere screen meshes in the device can quickly reach the temperature of not lower than 750 DEG C. Thus, CO and HC can be quickly decomposed at a high temperature through surface contact of a plurality of hemisphere screen meshes.
Description
The present invention relates to a kind of petrolic CO, HC high temperature decomposition device of being used for, be installed in petrol engine outlet pipe general export end.
The CO of petrol engine discharge at present, the device of HC mainly are in vent systems the three-way emission control device to be installed.It is to decompose CO, HC with chemical method.Load onto it and can both control petrolic discharging, be satisfied with the emission standard of Beijing Environmental Protection Agency regulation.But the original state resolving power of device is strong, and resolving power weakens gradually.General device is saturated in (3-5) ten thousand kilometers resolving power, to 1 year minimum 2 device of replacing that need of a taxi.Homemade each price of three-way emission control device (800-1200) unit, each (2000-5000) unit of imported product price, the power that the original resistance of device consumes is not less than 1.6% of motor total output, along with running and in gradually increase.
In order to solve the problem of above-mentioned three-way emission control device: before factory's regulation is adorned homemade three-way emission control device, at first be that the CO in the exhaust is adjusted to about 6%, HC reduces to below the 3000ppm, forbid to use doped fuel, use fuel oil label should be by the label of motor regulation, because device is to decompose CO, HC with chemical method, so the resolving power of the device saturation state that is tending towards gradually is uncontrollable.
The purpose of this invention is to provide a kind of petrolic CO, HC high temperature decomposition device of being used for, it can effectively decompose the CO of motor, the device of HC.
The object of the present invention is achieved like this: device of the present invention is several hemisphere screen clothes of nickel chromium triangle steel wire, and which floor divides be assembled into a closure means, is installed in petrolic outlet pipe general export end.When motor one running, under the delivery temperature effect, which floor the hemisphere screen cloth in the device can be warmed up to rapidly is not less than 750 ℃.CO, the HC that this moment, motor was discharged can realize pyrolysis rapidly through the several hemisphere screen cloth pyrometric scale surface layer layer contact in the device.
Device of the present invention only needs several hemisphere screen clothes of nickel chromium triangle steel wire, and which floor divides be assembled into a closure means, is contained in petrolic outlet pipe general export end.So structure is simple especially, the structure characteristic that the starting point does not lie in device is pyrolysis CO, CH rapidly.Because device is contained in engine exhaust pipe general export end, when motor one running, which floor the hemisphere screen cloth in the device can heat up to reach rapidly is not less than 750 ℃.For this reason, device of the present invention realizes that easily device does not have the saturation state of decomposition, the characteristics that the life-span is long and cost of production is low to the control of the pyrolysis of CO, the CH of motor discharge.
Concrete structure of the present invention is provided by following embodiment and accompanying drawing.
Fig. 1 is the general assembly drawing that is used for petrolic CO, CH high temperature decomposition device that proposes according to the present invention.
Describe detail and the working condition that proposes according to the present invention in detail below in conjunction with Fig. 1.
This device comprises several hemisphere sieve n of nickel chromium triangle steel wire, hemisphere screen cloth 2, hemisphere screen cloth 1, hemisphere screen cloth 3, hemisphere screen cloth 4, hemisphere screen cloth n.With copper sheet 5 flange of hemisphere screen cloth 3 and the flange of hemisphere screen cloth 1 are assembled into a closure means.
When engine running, the n hemisphere screen surface contact of blast air in device, enter the contact of 2 hemisphere screen surface again, enter the contact of 1 hemisphere screen surface again, enter the contact of 3 hemisphere screen surface again, enter the contact of 4 hemisphere screen surface again, enter the contact of n hemisphere screen surface again, finally enter silencing apparatus, enter in the atmosphere.
Device is under the engine exhaust temperature action, and layer hemisphere screen cloth of each in the device can both heat up rapidly to reach and be not less than 750 ℃.So the CO in the exhaust, CH be through after this device, pyrolysis rapidly just.
Claims (2)
1. one kind is used for petrolic CO, HC high temperature decomposition device, and this device is installed in engine exhaust pipe general export end, and device comprises: by several hemisphere screen clothes of nickel chromium triangle steel wire, which floor divides be assembled into a closure means.
2. a kind of petrolic CO, HC high temperature decomposition device of being used for according to claim 1 is characterized in that, the nickel chrome steel filament diameter of the described hemisphere screen cloth number of plies, sieve number and screen cloth all is to be determined by the decomposition efficiency of optimal design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99100884A CN1107156C (en) | 1999-02-24 | 1999-02-24 | High-temp. CO and HC decomposing device for gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99100884A CN1107156C (en) | 1999-02-24 | 1999-02-24 | High-temp. CO and HC decomposing device for gasoline engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1224112A CN1224112A (en) | 1999-07-28 |
| CN1107156C true CN1107156C (en) | 2003-04-30 |
Family
ID=5270231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99100884A Expired - Fee Related CN1107156C (en) | 1999-02-24 | 1999-02-24 | High-temp. CO and HC decomposing device for gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1107156C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2125707U (en) * | 1992-05-09 | 1992-12-23 | 王可胜 | Automobile waste gas end filter |
| CN2213854Y (en) * | 1994-11-29 | 1995-11-29 | 杨青山 | Purifier for tail gas exhaust of motor vehicle |
| CN2293649Y (en) * | 1996-09-01 | 1998-10-07 | 宋双贵 | Vehicle tail gas purifier |
-
1999
- 1999-02-24 CN CN99100884A patent/CN1107156C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2125707U (en) * | 1992-05-09 | 1992-12-23 | 王可胜 | Automobile waste gas end filter |
| CN2213854Y (en) * | 1994-11-29 | 1995-11-29 | 杨青山 | Purifier for tail gas exhaust of motor vehicle |
| CN2293649Y (en) * | 1996-09-01 | 1998-10-07 | 宋双贵 | Vehicle tail gas purifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1224112A (en) | 1999-07-28 |
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| C14 | Grant of patent or utility model | ||
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |