CN220285850U - Tail gas purifying system of gasoline generator - Google Patents
Tail gas purifying system of gasoline generator Download PDFInfo
- Publication number
- CN220285850U CN220285850U CN202320997042.1U CN202320997042U CN220285850U CN 220285850 U CN220285850 U CN 220285850U CN 202320997042 U CN202320997042 U CN 202320997042U CN 220285850 U CN220285850 U CN 220285850U
- Authority
- CN
- China
- Prior art keywords
- tail gas
- type catalyst
- generator
- particle catcher
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003054 catalyst Substances 0.000 claims abstract description 40
- 230000003647 oxidation Effects 0.000 claims abstract description 31
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 31
- 239000002245 particle Substances 0.000 claims abstract description 31
- 230000001502 supplementing effect Effects 0.000 claims abstract description 12
- 238000000746 purification Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 27
- 230000003584 silencer Effects 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000000446 fuel Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to a tail gas purifying system of a gasoline engine generator, which comprises a gas supplementing device, an oxidation type catalyst and a particle catcher, wherein an air inlet of the gas supplementing device is connected with an air outlet of the gasoline engine generator through a pipeline, the air outlet of the gas supplementing device is connected with the air inlet of the oxidation type catalyst through a pipeline, and the particle catcher is arranged behind the oxidation type catalyst. The utility model improves the gasolineOxygen concentration in the generator tail gas to increase CO conversion efficiency, and then catalytically oxidize CO and HC in the tail gas to harmless CO 2 、H 2 And O, the Particulate Matters (PM) in the tail gas are trapped through the particle trap, so that the effect of purifying the tail gas is further achieved.
Description
Technical Field
The utility model belongs to the technical field of tail gas purification systems, and particularly relates to a tail gas purification system of a gasoline generator.
Background
The gasoline generator set is a device for converting the heat energy of fuel (gasoline) into mechanical energy and driving a generator to convert the mechanical energy into electric energy. When the engine works, air and fuel are mixed into mixed gas by the air inlet mechanism and then enter the combustion chamber to do combustion work and then are discharged. The tail gas discharged by the generator set using gasoline as fuel is basically composed of CO, HC and NO x The composition is mostly a partial concentrated atmosphere (lambda<1). In order to reduce the pollution to the atmosphere, the tail gas of the gasoline generator must be purified before being discharged.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a tail gas purifying system of a gasoline generator.
According to the technical scheme provided by the utility model, the tail gas purification system of the gasoline engine generator comprises an air supplementing device, an oxidation type catalyst and a particle catcher, wherein an air inlet of the air supplementing device is connected with an air outlet of the gasoline engine generator through a pipeline, an air outlet of the air supplementing device is connected with an air inlet of the oxidation type catalyst through a pipeline, and the particle catcher is arranged behind the oxidation type catalyst.
Preferably, the exhaust port of the oxidation catalyst is connected with the air inlet of the particle catcher through a pipeline.
Preferably, the particle trap is connected directly behind the oxidation catalyst.
Preferably, the particle filter further comprises a muffler, and an exhaust port of the particle filter is connected with an air inlet of the muffler through a pipeline.
Preferably, a muffler is further included, the particle trap portion being located within the muffler.
Preferably, the particle trap further comprises a muffler, and the oxidation catalyst is integrally arranged in the muffler.
Preferably, the air make-up device is an air make-up valve, a supercharger or a compressed air supply device.
Preferably, the oxidation catalyst is a Pt-type catalyst, a Pd-type catalyst, or a Pt/Pd double-type catalyst.
The utility model increases the conversion efficiency of CO by increasing the oxygen concentration in the tail gas of the gasoline generator, and then catalytically oxidizes CO and HC in the tail gas into harmless CO 2 、H 2 And O, the Particulate Matters (PM) in the tail gas are trapped through the particle trap, so that the effect of purifying the tail gas is further achieved.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present utility model.
Fig. 2 is a schematic structural view of embodiment 2 of the present utility model.
Fig. 3 is a schematic structural view of embodiment 3 of the present utility model.
Detailed Description
The utility model will be further illustrated with reference to specific examples.
Example 1
The tail gas purifying system for gasoline engine generator includes one air compensator 1, one oxidation catalyst 2, one particle catcher 3 and one silencer 4, with the air inlet of the air compensator 1 being connected via pipeline to the exhaust port of the gasoline engine generator 5, the exhaust port of the air compensator 1 being connected via pipeline to the air inlet of the oxidation catalyst 2, the exhaust port of the oxidation catalyst 2 being connected via pipeline to the air inlet of the particle catcher 3, the exhaust port of the particle catcher 3 being connected via pipeline to the air inlet of the silencer 4.
In this embodiment, the oxygen concentration of the tail gas discharged by the gasoline generator 5 is increased by the air compensator 1, the tail gas is catalytically converted by the oxidation catalyst 2 and then discharged into the particle catcher 3, the tail gas is discharged into the muffler 4 after being caught, and finally the tail gas is discharged through the tail pipe of the muffler 4.
Example 2
The tail gas purifying system for gasoline engine generator includes one air compensator 1, one oxidation catalyst 2, one particle catcher 3 and one silencer 4, with the air inlet of the air compensator 1 being connected via pipeline to the exhaust port of the gasoline engine generator 5, the exhaust port of the air compensator 1 being connected via pipeline to the air inlet of the oxidation catalyst 2, the particle catcher 3 being connected directly to the back of the oxidation catalyst 2, and the particle catcher 3 being located inside the silencer 4.
In the embodiment, the oxygen concentration of tail gas discharged by the gasoline generator 5 is improved through the air supplementing device 1, the tail gas is subjected to catalytic conversion through the oxidation catalyst 2 and is captured by the particle catcher 3, then is discharged into the muffler 4, and finally is discharged through the tail pipe of the muffler 4.
Example 3
The tail gas purifying system for gasoline engine generator includes one air compensator 1, one oxidation catalyst 2, one particle catcher 3 and one silencer 4, with the air inlet of the air compensator 1 being connected via pipeline to the exhaust port of the gasoline engine generator 5, the exhaust port of the air compensator 1 being connected via pipeline to the air inlet of the oxidation catalyst 2, the particle catcher 3 being connected directly to the back of the oxidation catalyst 2, the oxidation catalyst 2 and the particle catcher 3 being located inside the silencer 4.
In the embodiment, the oxygen concentration of tail gas discharged by the gasoline generator 5 is improved through the air supplementing device 1, the tail gas is subjected to catalytic conversion through the oxidation catalyst 2 and is captured by the particle catcher 3, then is discharged into the muffler 4, and finally is discharged through the tail pipe of the muffler 4.
In the above embodiments 1 to 3, the air make-up device 1 is an air make-up valve, a supercharger or a compressed air supply device, and the oxidation catalyst 2 is a Pt-type catalyst, a Pd-type catalyst or a Pt/Pd double-type catalyst.
The principle of the utility model is as follows:
the utility model firstly increases the conversion efficiency of CO by increasing the oxygen concentration in the tail gas of the gasoline generator 5 through the air supplementing device 1, and then catalytically oxidizes CO and HC in the tail gas into harmless CO through the oxidation catalyst 2 2 、H 2 And O, the Particulate Matters (PM) in the tail gas are collected through the particle collector 3, so that the effect of purifying the tail gas is further achieved.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model. Any simple modification, variation and equivalent variation of the above embodiments according to the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (3)
1. A gasoline engine generator tail gas purification system is characterized in that: the device comprises a gas supplementing device (1), an oxidation type catalyst (2) and a particle catcher (3), wherein the gas inlet of the gas supplementing device (1) is connected with the gas outlet of a gasoline generator (5) through a pipeline, the gas outlet of the gas supplementing device (1) is connected with the gas inlet of the oxidation type catalyst (2) through a pipeline, and the particle catcher (3) is arranged behind the oxidation type catalyst (2);
the particle catcher (3) is directly connected to the rear of the oxidation catalyst (2);
the novel particle filter further comprises a muffler (4), wherein the particle catcher (3) is partially positioned in the muffler (4), or the oxidation catalyst (2) and the particle catcher (3) are integrally positioned in the muffler (4).
2. The gasoline engine-generator exhaust gas purification system as set forth in claim 1, wherein: the air make-up device (1) is an air make-up valve, a supercharger or a compressed air supply device.
3. The gasoline engine-generator exhaust gas purification system as set forth in claim 1, wherein: the oxidation catalyst (2) is a Pt type catalyst, a Pd type catalyst or a Pt/Pd double-type catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320997042.1U CN220285850U (en) | 2023-04-27 | 2023-04-27 | Tail gas purifying system of gasoline generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320997042.1U CN220285850U (en) | 2023-04-27 | 2023-04-27 | Tail gas purifying system of gasoline generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220285850U true CN220285850U (en) | 2024-01-02 |
Family
ID=89344358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320997042.1U Active CN220285850U (en) | 2023-04-27 | 2023-04-27 | Tail gas purifying system of gasoline generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220285850U (en) |
-
2023
- 2023-04-27 CN CN202320997042.1U patent/CN220285850U/en active Active
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