CN112815318A - Burner turbulent flow component and DPF active regeneration mechanism - Google Patents
Burner turbulent flow component and DPF active regeneration mechanism Download PDFInfo
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- CN112815318A CN112815318A CN202110255833.2A CN202110255833A CN112815318A CN 112815318 A CN112815318 A CN 112815318A CN 202110255833 A CN202110255833 A CN 202110255833A CN 112815318 A CN112815318 A CN 112815318A
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- spoiler
- bearing cylinder
- blade
- groove
- axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
A burner turbulent flow component and DPF active regeneration mechanism, the turbulent flow component includes bearing cylinder and multiple turbulent flow blades, multiple turbulent flow blades are connected with bearing cylinder and arranged at intervals, each turbulent flow blade has an included angle relative to the axis of bearing cylinder; the included angles between at least two turbulence blades which are arranged in the axial direction of the bearing cylinder at intervals and the axis of the bearing cylinder are different. A plurality of vortex blades can carry out the vortex to the air current on a plurality of directions to the effect of reinforcing vortex and reposition of redundant personnel avoids flame to concentrate, makes flame dispersion on DOC carrier and DPF carrier, is difficult for causing DPF carrier intensification too high, and the DPF carrier intensifies evenly, and purifying effect is good.
Description
Technical Field
The invention relates to the field of environment-friendly equipment, in particular to a burner turbulent flow component and a DPF active regeneration mechanism.
Background
At present, in the operation process of a combustor, after an oil-gas mixture in a combustion chamber is ignited, flame and tail gas are mixed and are combusted in the combustion chamber. Meanwhile, the flame moves toward a DOC (Diesel oxidation catalyst) carrier and a DPF (Diesel Particulate Filter) carrier, and simultaneously, unburned substances in the exhaust gas move to the DOC carrier and the DPF carrier together with the flame. Due to the limited high temperature resistance of the DPF carrier, the DPF carrier is vulnerable to high temperatures.
The inventor researches and discovers that the existing DPF active regeneration structure has the following defects:
flame direct contact to DOC carrier and DPF carrier, flame is concentrated for DPF carrier local temperature risees, both has to increase the damaged risk of DPF carrier, has DPF carrier intensification inhomogeneous again, the problem that DPF regeneration efficiency is low.
Disclosure of Invention
The invention aims to provide a burner turbulent flow component and a DPF active regeneration mechanism, which can avoid the conditions of flame concentration and overhigh local temperature of a DPF carrier, and can reduce radial temperature gradient, improve the uniformity of a temperature field of the DPF carrier and improve the regeneration efficiency of the DPF carrier.
The embodiment of the invention is realized by the following steps:
in a first aspect, the present invention provides a burner baffle assembly comprising:
the vortex flow generator comprises a bearing cylinder and a plurality of vortex flow blades, wherein the plurality of vortex flow blades are connected with the bearing cylinder and are arranged at intervals, and each vortex flow blade has an included angle relative to the axis of the bearing cylinder; the included angles between at least two turbulence blades which are arranged in the axial direction of the bearing cylinder at intervals and the axis of the bearing cylinder are different.
In an optional embodiment, an included angle between a first spoiler blade of the plurality of spoiler blades and an axis of the bearing cylinder is α, an included angle between a second spoiler blade of the plurality of spoiler blades and the axis of the bearing cylinder is- α, and the first spoiler blade and the second spoiler blade have a distance in an axial direction of the bearing cylinder.
In an optional embodiment, the first spoiler blades are arranged in a plurality of numbers, the first spoiler blades are arranged in the circumferential direction of the bearing cylinder at intervals, and a first flow channel is defined by one side, far away from the bearing cylinder, of the first spoiler blades.
In an optional embodiment, the second spoiler blades are arranged in a plurality of numbers, the second spoiler blades are arranged in the circumferential direction of the bearing cylinder at intervals, and a second flow channel is defined by one side, away from the bearing cylinder, of each second spoiler blade.
In an alternative embodiment, the bearing cylinder is provided with an assembling groove, and one side of the spoiler blade is embedded in the assembling groove.
In an optional embodiment, the assembling groove comprises a first groove wall, a groove bottom wall and a second groove wall which are connected in sequence, the first groove wall and the second groove wall are positioned at two opposite sides of the groove bottom wall, and the extending direction of at least one of the first groove wall and the second groove wall forms an included angle with the axis of the bearing cylinder; the spoiler blade is simultaneously abutted with the first groove wall, the groove bottom wall and the second groove wall.
In an optional embodiment, each spoiler blade comprises a connecting plate part and a spoiler plate part which are connected with each other and form an included angle, two adjacent side surfaces of the connecting plate part are respectively abutted against the first groove wall and the groove bottom wall, and the surface of the spoiler plate part, which is far away from the connecting plate part, is abutted against the second groove wall; the spoiler portion and the axis of the bearing cylinder form an included angle.
In an alternative embodiment, the spoiler blade is angled in the range of 20 ° to 40 ° with respect to the axis of the carrier cylinder.
In an alternative embodiment, the spoiler blade is angled at 30 ° to the axis of the carrier cylinder.
In a second aspect, the present invention provides a DPF active regeneration mechanism comprising:
the combustor spoiler assembly of any one of a plurality of preceding embodiments, a plurality of combustor spoiler assemblies all are connected with the shell and arrange at interval in the axial of shell.
In an alternative embodiment, at least two of the plurality of combustor turbulators have different inner diameters.
The embodiment of the invention has the beneficial effects that:
to sum up, the embodiment provides a combustor vortex subassembly, the carrier is arranged in the combustion chamber, when the air current that flows in the combustion chamber flows to DOC carrier and the DPF carrier of combustion chamber tail end, the air current can be through the carrier and flow in the carrier, and realize the vortex when the vortex blade through in the carrier, the reposition of redundant personnel, and, have two at least vortex blades of interval and the axis contained angle of carrier in the axial of carrier in a plurality of vortex blades different, thus, a plurality of vortex blades can carry out the vortex to the air current in a plurality of directions, thereby reinforcing vortex and the effect of reposition of redundant personnel, avoid flame to concentrate, make flame dispersion on DOC carrier and DPF carrier, be difficult for causing the DPF carrier to heat up too high, and the DPF carrier intensification is even, purifying effect is good. Simultaneously, when the air current flows to DOC carrier and DPF carrier through the vortex subassembly, avoid the flame to concentrate and DPF carrier local high temperature, can reduce the radial temperature gradient of DPF carrier, promote DPF carrier temperature field homogeneity, and then improve DPF carrier regeneration efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a burner baffle assembly according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a carrier according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a modified structure of the carrying cylinder according to the embodiment of the present invention;
FIG. 4 is a schematic view of a modified construction of a burner baffle assembly according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an active DPF regeneration mechanism according to an embodiment of the present invention.
Icon:
100-a carrier cylinder; 101-a first assembly groove; 102-a second mounting groove; 120-a first slot wall; 130-a tank bottom wall; 140-a second slot wall; 200-spoiler blades; 210-a web portion; 220-spoiler portion; 300-a housing; 400-combustion chamber.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
At present, when airflow combusted in a combustor is sprayed to a DPF carrier, the DPF carrier is easy to damage due to the fact that the airflow is concentrated, flame is concentrated, and the contact area of the airflow and the DPF carrier is small, so that the local temperature of the DPF carrier is too high. Meanwhile, the DPF carrier is heated unevenly, and the regeneration efficiency of the DPF carrier is low.
Referring to fig. 1 to 5, in view of the above, the present embodiment provides a burner spoiler assembly, which can spoiler and divide an air flow, so that the air flow and a flame can be uniformly dispersed on a DPF carrier, so that the DPF carrier is uniformly heated, the regeneration efficiency of the DPF carrier is high, and the purification effect is good.
Referring to fig. 1 or 4, in the present embodiment, the burner baffle assembly includes:
the bearing cylinder 100 and the plurality of spoiler blades 200 are connected with the bearing cylinder 100 and arranged at intervals, and each spoiler blade 200 has an included angle relative to the axis of the bearing cylinder 100; at least two of the plurality of spoiler blades 200 arranged at intervals in the axial direction of the carrier cylinder 100 have different included angles with the axis of the carrier cylinder 100.
In the burner spoiler assembly according to the present embodiment, the carrier 100 is configured to be installed in the combustion chamber 400, and when the airflow flowing in the combustion chamber 400 flows to the DOC carrier and the DPF carrier located at the rear end of the combustion chamber 400, the airflow passes through the carrier 100 and flows in the carrier 100. And the air current is by vortex blade 200 vortex and reposition of redundant personnel when the vortex blade 200 in passing through carrier cylinder 100, and simultaneously, have two at least vortex blades 200 of interval and carrier cylinder 100's axis contained angle difference in the axial of carrier cylinder 100 among a plurality of vortex blades 200, so, a plurality of vortex blades 200 can carry out the vortex to the air current in a plurality of directions, thereby strengthen the effect of vortex and reposition of redundant personnel, avoid flame to concentrate, make flame dispersion on DOC carrier and DPF carrier, be difficult for causing DPF carrier to heat up too high, and the DPF carrier intensifies temperature evenly, purifying effect is good.
Simultaneously, when the air current flows to DOC carrier and DPF carrier through the vortex subassembly, avoid the flame to concentrate and DPF carrier local high temperature, can reduce the radial temperature gradient of DPF carrier, promote DPF carrier temperature field homogeneity, and then improve DPF carrier regeneration efficiency.
Referring to fig. 2 or fig. 3, in the present embodiment, the mandrel 100 is optionally configured as a cylindrical cylinder, that is, the cross-sectional profile of the mandrel 100 is circular, wherein the cross-section of the mandrel 100 is a section perpendicular to the axis of the mandrel 100. It should be understood that in other embodiments, the mandrel 100 may be a square cylinder or the like, as desired.
Further, the carrier cartridge 100 has two opposite ports in the axial direction thereof, and an end surface of each port is provided with a fitting groove. The number of the assembly grooves on the end face of each port is multiple, and the assembly grooves on the same end face are uniformly arranged at intervals in the circumferential direction of the bearing cylinder 100. Each fitting groove is for fitting one spoiler blade 200.
Referring to fig. 3, optionally, each assembly groove includes a first groove wall 120, a groove bottom wall 130, and a second groove wall 140 connected in sequence, the first groove wall 120, the groove bottom wall 130, and the second groove wall 140 are all rectangular surfaces, and at least one of the first groove wall 120 and the second groove wall 140 forms an included angle with the axis of the bearing cylinder 100. In this embodiment, the length of the first slot wall 120 extends along the axis of the carriage 100, that is, the length direction of the first slot wall 120 is parallel to the axis of the carriage 100; the length of the slot bottom wall 130 extends along the circumference of the mandrel 100; the length direction of the second slot wall 140 forms an angle with the length direction of the first slot wall 120, that is, the length of the second slot wall 140 extends along a direction forming an angle with the axis of the mandrel 100, and the second slot wall 140 forms an angle with the slot bottom wall 130.
In addition, in the present embodiment, the structures of the assembly grooves on the same end surface are the same, and the included angles between the second groove walls 140 of the assembly grooves on the same end surface and the axis of the mandrel 100 are the same.
In the present embodiment, for convenience of description, the cartridge 100 is carriedThe fitting grooves at both ends are a first fitting groove 101 and a second fitting groove 102, respectively. The second groove wall 140 of the first assembly groove 101 on one end face of the bearing cylinder 100 has an included angle alpha between the length direction and the axial direction of the bearing cylinder 1001The angle α 1 ranges from 20 ° to 40 °, for example, the angle α 1 may be 20 °, 30 °, 40 °, or the like. The second groove wall 140 of the second fitting groove 102 on the other end surface of the carriage 100 has a length direction that forms an angle α 2 with the axial direction of the carriage 100, where α 1 is — α 2, and thus the second groove walls 140 on the two ends of the carriage 100 have the same angle with the axis of the carriage 100 and have opposite deflection directions.
In other embodiments, the first slot wall 120 and the second slot wall 140 of the assembly slot may be disposed in parallel and both have an angle with the axis of the mandrel 100.
In addition, a jack can be arranged on the wall of the bearing cylinder 100 and used for inserting the spoiler blade 200.
Referring to fig. 4, in the present embodiment, optionally, the spoiler blade 200 includes a connecting plate portion 210 and a spoiler plate portion 220 connected with each other at an included angle, and each spoiler blade 200 is assembled in one assembling groove. Two adjacent side surfaces of each connecting plate portion 210 are respectively abutted against the first groove wall 120 and the groove bottom wall 130 of the same assembling groove, and the plate surface of the spoiler portion 220 away from the connecting plate portion 210 is abutted against the second groove wall 140. Thus, since the second groove wall 140 has an included angle with the axis of the carrying cylinder 100, the surface of the spoiler portion 220 contacts with the second groove wall 140, so that the spoiler portion 220 has an included angle with the axis of the carrying cylinder 100, that is, the surface of the spoiler has an included angle with the axis of the carrying cylinder 100. And the included angle between the spoiler and the axis of the bearing cylinder 100 is equal to the included angle between the second groove wall 140 and the axis of the bearing cylinder 100.
It should be understood that a first assembling groove 101 and a second assembling groove 102 are respectively arranged at two ends of the bearing cylinder 100, an included angle between the spoiler blade 200 matched with the first assembling groove 101 and the axis of the bearing cylinder 100 is α 1, an included angle between the spoiler blade 200 matched with the second assembling groove 102 and the axis of the bearing cylinder 100 is α 2, and the absolute values of α 1 and α 2 are equal and opposite. Thus, the deflection directions of the spoiler portions 220 in the carrier cylinder 100 are opposite, and turbulence and shunting in different directions can be performed on flowing air flow and flame in the carrier cylinder 100, so that turbulence and shunting effects are improved.
After the spoiler blades 200 are assembled to the assembly grooves, the plurality of spoiler blades 200 located at the same end are uniformly arranged in the circumferential direction of the bearing cylinder 100 at intervals, and a flow channel is defined by one side of the plurality of spoiler blades 200 located at the same end, which is far away from the bearing cylinder 100. The spoiler blade 200 fitted into the first fitting groove 101 may define a flow passage as a first flow passage, and the spoiler blade 200 fitted into the second fitting groove 102 may define a flow passage as a second flow passage.
In this embodiment, after the spoiler blade 200 is assembled to the carrier cylinder 100, the spoiler blade 200 is welded and fixed to the carrier cylinder 100. Optionally, the connecting plate portion 210 is welded and fixed to the first groove wall 120.
When the spoiler blade 200 is assembled, since the second groove wall 140 has an included angle with the axis of the bearing cylinder 100, the area of the second groove wall 140 is larger than that of the groove wall parallel to the axis of the bearing cylinder 100 on the premise that the bearing cylinder 100 has the same axial length, so that the contact area between the spoiler blade 200 and the assembling groove is increased, and the stability of the spoiler blade 200 is improved.
Meanwhile, the spoiler blade 200 is arranged to be a bending plate structure, and the spoiler blade 200 is high in structural strength, not prone to deformation and long in service life.
It should be understood that in other embodiments, the spoiler blade 200 may be arranged in a spiral shape in the axial direction of the carrier cartridge 100.
It should be noted that the cross-sectional profile of the plate surface of the spoiler blade 200 may be disposed at an angle with respect to the radial direction of the carrier cylinder 100. Wherein, the cross section of the plate surface of the spoiler blade 200 is a section perpendicular to the axis of the carrying cylinder 100. That is, the cross-sectional profile of the plate surface is a straight line segment, and the extension line of the straight line segment does not intersect with the axis of the carrying cylinder 100. Thus, the deflection of the spoiler blade 200 is a three-dimensional deflection, and the spoiler is good in spoiler shunting effect by performing spoiler on the airflow in a plurality of directions.
The combustor vortex subassembly that this embodiment provided, assemble bearing cylinder 100 to combustion chamber 400, the air current flows in combustion chamber 400 and during through bearing cylinder 100, with the contact of vortex board portion 220 in bearing cylinder 100, vortex board portion 220 carries out the vortex and the reposition of redundant personnel of a plurality of directions to the air current, thereby make the air current dispersion even, during air current flow direction DOC carrier and DPF carrier, avoid flame to concentrate and DPF carrier local temperature too high, can reduce the radial temperature gradient of DPF carrier, promote DPF carrier temperature field homogeneity, and then improve DPF carrier regeneration efficiency.
Referring to fig. 5, the present embodiment further provides an active DPF regeneration mechanism, which includes a housing 300, a combustion chamber 400, and two burner spoiler assemblies mentioned in the above embodiments, wherein one of the two burner spoiler assemblies is disposed in the combustion chamber 400, and the combustion chamber 400 is disposed in the housing 300; the other of the two burner spoiler assemblies is arranged in the outer shell 300 and located at the tail end of the combustion chamber 400, and airflow flowing out of the combustion chamber 400 firstly passes through the spoiler assembly in the combustion chamber 400, is discharged from the tail end of the combustion chamber 400, then passes through the combustion chamber 400 assembly in the outer shell 300, and then flows to the DOC carrier and the DPF carrier.
In this embodiment, optionally, the inner diameters of the carrier 100 in the two burner spoiler assemblies are different. For example, the inner diameter of the carrier cartridge 100 of a combustor turbulator assembly located in the housing 300 is greater than the inner diameter of the carrier cartridge 100 of a combustor turbulator assembly located in the combustion chamber 400.
It should be understood that the number of the burner baffle assemblies is plural, and is not limited to two as exemplified in the above embodiments, and the number is set as required, and is not described one by one.
In this embodiment, DPF initiative regeneration mechanism simple structure is reasonable, and DPF initiative regeneration is effectual, and longe-lived, with low costs. The DPF active regeneration mechanism provided by the embodiment can be applied to an automobile exhaust purification system.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A burner turbulator assembly, comprising:
the vortex flow generator comprises a bearing cylinder and a plurality of vortex flow blades, wherein the vortex flow blades are connected with the bearing cylinder and are arranged at intervals, and each vortex flow blade has an included angle relative to the axis of the bearing cylinder; the included angles between at least two turbulence blades which are arranged in the axial direction of the bearing cylinder at intervals and the axis of the bearing cylinder are different.
2. The combustor spoiler assembly of claim 1, wherein:
the included angle between a first spoiler blade in the plurality of spoiler blades and the axis of the bearing cylinder is alpha, the included angle between a second spoiler blade in the plurality of spoiler blades and the axis of the bearing cylinder is-alpha, and the first spoiler blade and the second spoiler blade have intervals in the axial direction of the bearing cylinder.
3. The combustor spoiler assembly of claim 2, wherein:
the first spoiler blade sets up to a plurality ofly, and is a plurality of first spoiler blade is in the interval arranges in the circumference of bearing cylinder, and is a plurality of first spoiler blade keeps away from one side of bearing cylinder prescribes a limit to first runner jointly.
4. The combustor spoiler assembly of claim 2 or 3, wherein:
the second spoiler blade sets up to a plurality ofly, and is a plurality of the second spoiler blade is in the interval arranges in the circumference of bearing cylinder, and is a plurality of the second spoiler blade is kept away from one side of bearing cylinder prescribes a limit to the second runner jointly.
5. The combustor spoiler assembly of claim 1, wherein:
the bearing cylinder is provided with an assembly groove, and one side of the turbulence blade is embedded in the assembly groove.
6. The combustor spoiler assembly of claim 5, wherein:
the assembling groove comprises a first groove wall, a groove bottom wall and a second groove wall which are sequentially connected, the first groove wall and the second groove wall are positioned on two opposite sides of the groove bottom wall, and an included angle is formed between the extending direction of at least one of the first groove wall and the second groove wall and the axis of the bearing cylinder; the spoiler blade is simultaneously abutted to the first groove wall, the groove bottom wall and the second groove wall.
7. The combustor spoiler assembly of claim 6, wherein:
the spoiler blade comprises a connecting plate part and a spoiler plate part which are connected with each other and form an included angle, two adjacent side surfaces of the connecting plate part are respectively abutted against the first groove wall and the groove bottom wall, and the surface of the spoiler plate part, which is far away from the connecting plate part, is abutted against the second groove wall; the spoiler portion and the axis of the bearing cylinder form an included angle.
8. The combustor spoiler assembly of claim 1, wherein:
the included angle between the spoiler blade and the axis of the bearing cylinder ranges from 20 degrees to 40 degrees.
9. A DPF active regeneration mechanism, comprising:
a plurality of burner baffle assemblies as described in any of claims 1-8, and a housing, the plurality of burner baffle assemblies each connected to the housing and spaced axially of the housing.
10. The DPF active regeneration mechanism of claim 9, wherein:
at least two of the plurality of combustor turbulator assemblies have different inner diameters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110255833.2A CN112815318A (en) | 2021-03-09 | 2021-03-09 | Burner turbulent flow component and DPF active regeneration mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110255833.2A CN112815318A (en) | 2021-03-09 | 2021-03-09 | Burner turbulent flow component and DPF active regeneration mechanism |
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| CN112815318A true CN112815318A (en) | 2021-05-18 |
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| CN202110255833.2A Pending CN112815318A (en) | 2021-03-09 | 2021-03-09 | Burner turbulent flow component and DPF active regeneration mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847623A (en) * | 2021-09-16 | 2021-12-28 | 中国空气动力研究与发展中心计算空气动力研究所 | Microscale combustion chamber |
| CN114923171A (en) * | 2022-05-07 | 2022-08-19 | 重庆凯瑞伟柯斯环保科技有限公司 | Combustor and exhaust gas aftertreatment system |
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| CN205840956U (en) * | 2016-06-28 | 2016-12-28 | 贵州黄帝车辆净化器有限公司 | A kind of disturbing flow device of diesel motor exhaust post processing |
| CN112393273A (en) * | 2020-12-04 | 2021-02-23 | 重庆超力高科技股份有限公司 | Premixing type burner |
| CN214619544U (en) * | 2021-03-09 | 2021-11-05 | 重庆超力高科技股份有限公司 | Burner turbulent flow component and DPF active regeneration mechanism |
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| CN113847623A (en) * | 2021-09-16 | 2021-12-28 | 中国空气动力研究与发展中心计算空气动力研究所 | Microscale combustion chamber |
| CN114923171A (en) * | 2022-05-07 | 2022-08-19 | 重庆凯瑞伟柯斯环保科技有限公司 | Combustor and exhaust gas aftertreatment system |
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