CN218894695U - Novel double-core rolling structure for mixed flow type metal carrier - Google Patents
Novel double-core rolling structure for mixed flow type metal carrier Download PDFInfo
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- CN218894695U CN218894695U CN202223559850.4U CN202223559850U CN218894695U CN 218894695 U CN218894695 U CN 218894695U CN 202223559850 U CN202223559850 U CN 202223559850U CN 218894695 U CN218894695 U CN 218894695U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model relates to a novel double-core rolling structure for a mixed-flow metal carrier, which comprises a pipeline, a first metal belt arranged in the pipeline and a second metal belt arranged between the first metal belts; the first metal belt is provided with a plurality of metal strips; the second metal strip is arranged between two groups of the first metal strips; a first pore canal is formed between the second metal belt and the first metal belt; a second pore canal is formed between the first metal belt and the first metal belt; the first pore canal is positioned at the inner side of the pipeline; the second duct is located at an outboard position of the duct. The problems that the purifying effect is poor, the pressure difference between the middle and the edge of the inner core is large when the air flow passes through the inner core of the carrier in the prior art, the catalyst of the middle inner core is easy to deactivate, and the back pressure of the carrier can be increased when waste gas passes through the inner core of the carrier are solved.
Description
Technical Field
The utility model relates to a rolling structure, in particular to a novel double-core rolling structure for a mixed-flow metal carrier.
Background
As the amount of vehicle maintenance continues to rise, the requirements for purifying motor vehicle exhaust gas are becoming more stringent. The metal carrier is used as a main component of the metal catalytic converter, and harmful substances such as CO, HC, NOx in the tail gas can be effectively converted into harmless CO2, H2O, nitrogen and the like through oxidation and reduction after the catalyst is loaded. Meanwhile, the tail gas of the fuel motor vehicle has a certain contact area and contact time with the inner wall of the carrier when passing through the metal carrier, so that the purifying effect can be achieved.
In the prior art: the inner honeycomb structure of the rolling structure is formed by rolling metal flat belts and metal wave belts with equal lengths, the metal flat belts and the metal wave belts enclose a plurality of independent pore passages, and when air flow can rapidly pass through the middle position of the inner core of the carrier, the purifying effect is poor; the pore channels of the rolling structure are not communicated with each other, when the air flow passes through the inner core of the carrier, the pressure difference between the middle and the edge of the inner core is larger, and the catalyst of the middle inner core is easy to deactivate; the rolled structure is formed by combining equal-length mixed-flow wave bands and flat bands, and the wave bands and flat bands form independent pore channels, so that the back pressure of the carrier is increased. The utility model solves the problems of poor purifying effect and large pressure difference between the middle and the edge of the inner core when the air flow passes through the inner core of the carrier in the prior art, and the catalyst of the middle inner core is easy to deactivate.
Disclosure of Invention
According to the embodiment of the application, the novel double-core rolling structure for the mixed flow type metal carrier is provided, so that the problems that in the prior art, the purifying effect is poor, the pressure difference between the middle of the inner core and the edge of the inner core of the carrier is large when air flows through the inner core of the carrier are solved, and the catalyst of the middle inner core is easy to deactivate.
The technical scheme adopted by the embodiment of the application is as follows.
A novel twin-core rolled structure for a mixed-flow type metal carrier, comprising a pipe, a first metal strip disposed within the pipe, and a second metal strip disposed between the first metal strips; the first metal belt is provided with a plurality of metal strips; the second metal strip is arranged between two groups of the first metal strips; a first pore canal is formed between the second metal belt and the first metal belt; a second pore canal is formed between the first metal belt and the first metal belt; the first pore canal is positioned at the inner side of the pipeline; the second duct is located at an outboard position of the duct.
The further technical scheme is as follows: the first metal belt is wavy; the second metal belt is flat.
The further technical scheme is as follows: the second metal strip is shorter than the first metal strip.
The further technical scheme is as follows: the first metal belt is provided with a current limiting sheet; the flow restricting sheets are arrayed along the length direction of the first metal belt.
The further technical scheme is as follows: the flow limiting piece is arranged towards the exhaust gas discharge end.
The further technical scheme is as follows: a placing groove is formed in the current limiting piece; the placing groove penetrates through the current limiting piece; a catalyst for purifying tail gas is arranged in the placing groove; the catalyst is detachably connected in the placing groove.
The further technical scheme is as follows: the flow limiting piece is provided with a first clamping block for fixing the catalyst.
The further technical scheme is as follows: the first clamping block is rotatably connected to the current limiting piece.
The further technical scheme is as follows: a round angle is formed on the first clamping block; the round angle is formed on the end face of the first clamping block, which faces to exhaust gas discharge; a second clamping block is arranged at one end, facing the catalyst, of the first clamping block; a clamping groove is formed in the catalyst; when the second clamping block is clamped into the clamping groove, the catalyst is fixed on the flow limiting piece.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. because the first metal belt is wavy, the second metal belt is flat, the first metal belt and the second metal belt are overlapped layer by layer, the first metal belt is longer than the second metal belt, and the first metal belt and the second metal belt are rolled after being overlapped, so that a first pore canal is formed between the first metal belt and the second metal belt, the first pore canal is positioned at the inner side of the pipeline, a second pore canal is formed between the first metal belt and the two ends of the first metal belt, and the second pore canal is positioned at the outer side of the pipeline, thereby realizing the reduction of the pressure difference between the inner core and the outer core of the carrier, reducing the deactivation phenomenon of the catalyst in the middle of the inner core, ensuring the activity of the catalyst, reducing the catalytic cost, increasing the time of the air flow in the carrier, enabling the tail gas to be fully contacted with the catalyst in the carrier, and effectively purifying the tail gas.
2. Because the current limiting piece is arranged on the first metal belt, the current limiting piece is arranged along the length direction of the first metal belt, and faces the tail gas discharge end, so that the waste gas can be stored in the pipeline for a longer time.
3. Because the standing groove is formed in the flow limiting piece, the catalyst is placed in the standing groove, and meanwhile the catalyst is detachably connected to the flow limiting piece, so that the purification rate of exhaust gas discharged after passing through the catalyst is higher, and meanwhile, when the purification efficiency is low, the catalyst can be replaced, and the cost is saved.
4. Because adopted first fixture block swivelling joint on the restriction piece, first fixture block with the catalyst card in the restriction piece, offered the fillet on the first fixture block, be provided with the second fixture block on the first fixture block, offered the draw-in groove on the catalyst, when the draw-in groove was gone into to the second fixture block card, the catalyst was fixed on the restriction piece, and then realized fixing the catalyst in the restriction piece, the fillet on the first fixture block dispersed waste gas simultaneously.
Drawings
Fig. 1 is a schematic diagram showing the assembly of a novel twin-core rolled structure for a mixed-flow type metal carrier according to a first embodiment of the present utility model.
Fig. 2 is a schematic diagram showing a state in which a novel twin-core rolled structure for a mixed-flow type metal carrier according to a first embodiment of the present utility model is not folded.
Fig. 3 is a schematic view of a first metal strip according to a second embodiment of the present utility model.
Fig. 4 is a partial enlarged view of a in fig. 3.
Fig. 5 is a partial enlarged view of B in fig. 3.
In the figure: 1. a pipe; 2. a first metal strip; 21. a flow-limiting sheet; 22. a placement groove; 23. a purification block; 231. a clamping groove; 24. a first clamping block; 25. round corners; 26. a second clamping block; 3. a second metal strip; 4. a first duct; 5. and a second orifice.
Detailed Description
According to the embodiment of the application, the novel double-core rolling structure for the mixed flow type metal carrier is provided, so that the problems that in the prior art, the purifying effect is poor, the pressure difference between the middle of the inner core and the edge of the inner core of the carrier is large when air flows through the inner core of the carrier are solved, and the catalyst of the middle inner core is easy to deactivate.
In order to solve the above problems, the technical solution in the embodiments of the present application is as follows
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
First embodiment:
fig. 1 is a schematic diagram showing the assembly of a novel twin-core rolled structure for a mixed-flow type metal carrier according to a first embodiment of the present utility model. Fig. 2 is a schematic diagram showing a state in which a novel twin-core rolled structure for a mixed-flow type metal carrier according to a first embodiment of the present utility model is not folded. As shown in connection with fig. 1 and 2, the present utility model discloses a novel twin-core rolled structure for a mixed-flow type metal carrier. The direction of Y in the figure is the right end of the structural schematic diagram of the utility model, and the direction of X in the figure is the upper end of the structural schematic diagram of the utility model.
A novel double-core rolled structure for a mixed-flow type metal carrier, which comprises a pipeline 1, a first metal belt 2 arranged in the pipeline 1 and a second metal belt 3 arranged between the first metal belts 2; the first metal strip 2 is provided with several; the second metal strip 3 is arranged between the two sets of first metal strips 2; a first pore canal 4 is formed between the second metal belt 3 and the first metal belt 2; a second pore canal 5 is formed between the first metal belt 2 and the first metal belt 2; the first duct 4 is located at an inner side of the duct 1; the second porthole 5 is located at a position outside the pipe 1.
The first metal strip 2 has a wave shape; the second metal strip 3 has a flat plate shape.
The second metal strip 3 is shorter than the first metal strip 2.
The first metal belt 2 is wavy, the second metal belt 3 is flat, the first metal belt 2 and the second metal belt 3 are overlapped layer by layer, the first metal belt 2 is longer than the second metal belt 3, when the first metal belt 2 and the second metal belt 3 are overlapped and then rolled, a first pore canal 4 is formed between the first metal belt 2 and the second metal belt 3, the first pore canal 4 is located at the inner side of the pipeline 1, a second pore canal 5 is formed between the first metal belt 2 and two ends of the first metal belt 2, and the second pore canal 5 is located at the outer side of the pipeline 1.
Because the first metal belt 2 is wavy, the second metal belt 3 is in a flat plate shape, the first metal belt 2 and the second metal belt 3 are overlapped layer by layer, the first metal belt 2 is longer than the second metal belt 3, when the first metal belt 2 and the second metal belt 3 are overlapped and then rolled, a first pore canal 4 is formed between the first metal belt 2 and the second metal belt 3, the first pore canal 4 is positioned at the inner side of the pipeline 1, a second pore canal 5 is formed between the first metal belt 2 and the two ends of the first metal belt 2, the second pore canal 5 is positioned at the outer side of the pipeline 1, so that the pressure difference between the inner part and the outer part of the carrier inner core is reduced, the deactivation phenomenon of the catalyst in the inner core is reduced, the activity of the catalyst is ensured, the catalytic cost is reduced, the time of the air flow in the pipeline 1 is increased, the tail gas is fully contacted with the catalyst in the pipeline 1, and the tail gas is effectively purified.
Second embodiment:
fig. 3 is a schematic view of a first metal strip according to a second embodiment of the present utility model. Fig. 4 is a partial enlarged view of a in fig. 3. Fig. 5 is a partial enlarged view of B in fig. 3. The second embodiment differs from the first embodiment in that, as shown in connection with fig. 1, 2, 3, 4 and 5:
the first metal belt 2 is provided with a current limiting sheet 21; the flow restricting sheets 21 are arrayed several along the length of the first metal strip 2.
The flow restricting sheet 21 is disposed toward the exhaust gas discharge end.
The flow limiting piece 21 is arranged on the first metal belt 2, the flow limiting piece 21 is arranged along the length direction of the first metal belt 2, and the flow limiting piece 21 faces the exhaust emission end.
Due to the fact that the flow limiting piece 21 is arranged on the first metal belt 2, the flow limiting piece 21 is arranged along the length direction of the first metal belt 2, the flow limiting piece 21 faces the exhaust emission end, and therefore the fact that exhaust gas can exist in the pipeline 1 for a longer time is achieved.
The flow limiting piece 21 is provided with a placing groove 22; the placing groove 22 penetrates through the flow limiting piece 21; a purification block 23 for purifying the tail gas is arranged in the placing groove 22; the purification block 23 is detachably connected in the placement groove 22.
The flow limiting piece 21 is provided with a placing groove 22, the purifying block 23 is placed in the placing groove 22, and meanwhile, the purifying block 23 is detachably connected to the flow limiting piece 21.
Due to the adoption of the setting groove 22 formed in the flow limiting piece 21, the purification block 23 is placed in the setting groove 22, and meanwhile, the purification block 23 is detachably connected to the flow limiting piece 21, so that the purification rate of exhaust gas discharged after passing through the purification block 23 is higher, and meanwhile, when the purification efficiency is low, the purification block 23 can be replaced.
The flow limiting piece 21 is provided with a first clamping block 24 for fixing the purifying block 23. The first clamping block 24 is rotatably connected to the flow limiting piece 21.
The first clamping block 24 is provided with a round corner 25; the round corners 25 are arranged on the end face of the first clamping block 24, which faces the exhaust gas discharge; the end of the first clamping block 24 facing the purifying block 23 is provided with a second clamping block 26; the purifying block 23 is provided with a clamping groove 231; when the second clamping block 26 is clamped into the clamping groove 231, the purifying block 23 is fixed on the current limiting piece 21.
The first fixture block 24 swivelling joint is on the restriction piece 21, and first fixture block 24 blocks purification piece 23 in restriction piece 21, has offered fillet 25 on the first fixture block 24, is provided with second fixture block 26 on the first fixture block 24, has offered draw-in groove 231 on the purification piece 23, and when the draw-in groove 231 was gone into to the second fixture block 26 card, purification piece 23 was fixed on restriction piece 21, and first fixture block 24 relatively was provided with two sets of from top to bottom.
Because the first clamping block 24 is rotationally connected to the current limiting piece 21, the first clamping block 24 clamps the purifying block 23 in the current limiting piece 21, the first clamping block 24 is provided with the round corner 25, the first clamping block 24 is provided with the second clamping block 26, the purifying block 23 is provided with the clamping groove 231, when the second clamping block 26 is clamped into the clamping groove 231, the purifying block 23 is fixed on the current limiting piece 21, and further the purifying block 23 is fixed in the current limiting piece 21, and meanwhile the round corner 25 on the first clamping block 24 disperses waste gas.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. A novel twin-core rolled structure for a mixed flow type metal carrier, characterized by comprising a pipe, a first metal strip arranged in the pipe and a second metal strip arranged between the first metal strips; the first metal belt is provided with a plurality of metal strips; the second metal strip is arranged between two groups of the first metal strips; a first pore canal is formed between the second metal belt and the first metal belt; a second pore canal is formed between the first metal belt and the first metal belt; the first pore canal is positioned at the inner side of the pipeline; the second duct is located at an outboard position of the duct.
2. The novel twin-core rolled structure for a mixed-flow metal carrier as defined in claim 1, wherein the first metal strip has a wave shape; the second metal belt is flat.
3. A novel twin-core rolled structure for a mixed-flow metallic carrier as defined in claim 2, wherein the second metallic strip is shorter than the first metallic strip.
4. A novel twin-core rolled structure for a mixed flow type metal carrier as claimed in claim 3, wherein the first metal belt is provided with a flow restricting sheet; the flow restricting sheets are arrayed along the length direction of the first metal belt.
5. The novel twin-core rolled structure for a mixed flow type metal carrier according to claim 4, wherein the flow restricting sheet is disposed toward the exhaust gas discharge end.
6. The novel twin-core rolled structure for a mixed flow type metal carrier according to claim 5, wherein the flow limiting sheet is provided with a placing groove; the placing groove penetrates through the current limiting piece; a catalyst for purifying tail gas is arranged in the placing groove; the catalyst is detachably connected in the placing groove.
7. The novel twin-core rolled structure for a mixed flow type metal carrier according to claim 6, wherein the flow limiting sheet is provided with a first clamping block for fixing the catalyst; the first clamping block is rotatably connected to the current limiting piece.
8. The novel twin-core rolled structure for a mixed flow type metal carrier according to claim 7, wherein the first clamping block is provided with a round angle; the round angle is formed on the end face of the first clamping block, which faces to exhaust gas discharge; a second clamping block is arranged at one end, facing the catalyst, of the first clamping block; a clamping groove is formed in the catalyst; when the second clamping block is clamped into the clamping groove, the catalyst is fixed on the flow limiting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223559850.4U CN218894695U (en) | 2022-12-30 | 2022-12-30 | Novel double-core rolling structure for mixed flow type metal carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223559850.4U CN218894695U (en) | 2022-12-30 | 2022-12-30 | Novel double-core rolling structure for mixed flow type metal carrier |
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| Publication Number | Publication Date |
|---|---|
| CN218894695U true CN218894695U (en) | 2023-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223559850.4U Active CN218894695U (en) | 2022-12-30 | 2022-12-30 | Novel double-core rolling structure for mixed flow type metal carrier |
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| CN (1) | CN218894695U (en) |
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- 2022-12-30 CN CN202223559850.4U patent/CN218894695U/en active Active
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