CN112112708A - Gasoline engine tail gas particle catcher and preparation method thereof - Google Patents
Gasoline engine tail gas particle catcher and preparation method thereof Download PDFInfo
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- CN112112708A CN112112708A CN202010929074.9A CN202010929074A CN112112708A CN 112112708 A CN112112708 A CN 112112708A CN 202010929074 A CN202010929074 A CN 202010929074A CN 112112708 A CN112112708 A CN 112112708A
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- annular
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- wall
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- connecting pipe
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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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
- C04B41/5089—Silica sols, alkyl, ammonium or alkali metal silicate cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
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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
- F01N3/022—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 characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The invention relates to the technical field of particle traps, in particular to a gasoline engine tail gas particle trap and a preparation method thereof. Particle trap reaches including the cylindricality storehouse, and the left end in cylindricality storehouse is equipped with toper storehouse of admitting air, and the outer wall in cylindricality storehouse and the position that is close to both ends are equipped with all and are equipped with the solid piece of annular, and annular constant head tank has been seted up in the outside of the solid piece of annular, and swing joint has fixing device in the annular constant head tank, and the outer wall in cylindricality storehouse and the position that is close to the left end are equipped with the combustor connecting pipe, are equipped with the ceramic trap body in the cylindricality storehouse, and the right-hand member. This gasoline engine tail gas particulate trap can be fixed with this particulate trap and car bottom installation through fixing device, through first connecting pipe and intake pipe threaded connection, second connecting pipe and outlet duct threaded connection to be convenient for get off this particulate trap is whole dismantlement, go out gas storehouse and cylindricality storehouse threaded connection through the toper, be convenient for take out and clear up the ceramic trap body in the cylindricality storehouse. The preparation method of the invention arranges the coating at the outer side of the particle catcher, and the isostatic strength is about 1.1-1.5 MPa.
Description
Technical Field
The invention relates to the technical field of particle traps, in particular to a gasoline engine tail gas particle trap and a preparation method thereof.
Background
Automobile industry's rapid development has brought a lot of facilities for people's life, but automobile exhaust has also led to the fact the influence to ecological environment, contain the particulate matter in the motor vehicle emission pollutant, the particulate matter of emission has become one of the main pollution of haze weather in recent years, consequently particle in the motor vehicle exhaust need handle the back and just can discharge, it is the most effective mode to reduce the particulate matter emission to filter the burning method at present, mainly be through particle catcher, collect the back with particle in the motor vehicle exhaust, adopt the burning method again to burn sedimentary particulate matter, thereby eliminate the particulate matter in the motor vehicle exhaust, but current particle catcher is not convenient for dismantle, thereby will be more troublesome when changing the inside device of particle catcher. In addition, the isostatic strength of the existing gasoline engine exhaust particulate trap is low, and further improvement is needed.
Disclosure of Invention
The invention aims to provide a gasoline engine exhaust particle catcher and a preparation method thereof, and aims to solve the problem that the existing particle catcher in the background art is inconvenient to disassemble, so that the replacement of devices in the particle catcher is troublesome.
In order to achieve the purpose, the invention provides the following technical scheme:
a gasoline engine exhaust particle trap comprises a cylindrical bin, wherein a conical air inlet bin is arranged at the left end of the cylindrical bin, a first connecting pipe is arranged at the left end of the conical air inlet bin, a first annular plate is arranged on the outer wall of the end part of the first connecting pipe, a plurality of first threaded connecting rods distributed in an annular array are arranged on the left side of the first annular plate, annular fixing blocks are arranged on the outer wall of the cylindrical bin and close to the two ends of the cylindrical bin, annular positioning grooves are formed in the outer sides of the annular fixing blocks, fixing devices are movably connected in the annular positioning grooves and comprise upper hoop plates and lower hoop plates which are symmetrically arranged, upper wing plates are arranged at the two ends of the upper hoop plates, connecting blocks are arranged in the middle of the outer sides of the upper hoop plates, strip-shaped mounting plates are arranged at the end parts of the connecting blocks, lower wing plates are arranged at the two ends of the lower hoop plates, and fastening screws are movably connected in, the outer wall of fastening screw and the position that is close to the top are equipped with annular extrusion piece, the outer wall in cylindricality storehouse and the position that is close to the left end are equipped with the combustor connecting pipe, the outer wall of cylindricality storehouse right-hand member is equipped with the second annular slab, the right side of second annular slab is equipped with a plurality of second threaded connection poles of arranging with annular array, be equipped with ceramic trap body in the cylindricality storehouse, the right-hand member in cylindricality storehouse is equipped with toper gas outlet bin, the outer wall of toper gas outlet bin left end is equipped with the fourth annular slab, the right-hand member in toper gas outlet bin is equipped with the second connecting pipe, the outer wall of second connecting pipe right-hand member is equipped with the third annular slab, the right side of third annular slab is equipped with a plurality of third threaded connection poles of arranging.
As a preferred technical solution of the present invention, the end portions of the first threaded connecting rod, the second threaded connecting rod, the third threaded connecting rod and the fastening screw are all connected with hexagonal nuts by screw threads.
As a preferred technical scheme of the present invention, an air inlet pipe is disposed at an end of the first connecting pipe, and a fifth annular plate is disposed on an outer wall of a right end of the air inlet pipe.
As a preferable technical scheme of the present invention, an air outlet pipe is provided at an end portion of the second connecting pipe, and a sixth annular plate is provided on an outer wall of a left end of the air outlet pipe.
As a preferable technical scheme of the invention, the inner walls of the upper hoop plate and the lower hoop plate are both attached to the bottom of the inner wall of the annular positioning groove.
As a preferable technical scheme of the invention, the strip-shaped mounting plate is in threaded connection with the automobile bottom plate through a screw.
As a preferable technical scheme of the present invention, the bottom end of the fastening screw penetrates through the upper wing plate and is in threaded connection with the hexagonal nut, and the side surface of the annular extrusion block is attached to the bottom of the lower wing plate.
As a preferable technical scheme of the invention, a first annular limiting plate is arranged on the inner wall of the cylindrical bin and close to the end part of the burner connecting pipe.
As a preferred technical scheme of the invention, a second annular limiting plate is arranged at the left end of the inner wall of the conical air outlet bin.
As a preferred technical scheme of the invention, the top end of the fastening screw is provided with a cross-shaped fixing block.
A preparation method of a gasoline engine exhaust particle catcher is characterized in that a ceramic catcher body with the apparent porosity of 60-66%, the average pore diameter of 16-22um and the skin thickness of 0.7-1.2mm is selected; putting the ceramic catcher body into a drying box for drying for half an hour, taking out and cooling to room temperature; mixing silica sol and fused quartz powder in certain proportion; the solid content of the silica sol is 30-35%, and the particle size D50=2-5um of the fused quartz powder; silica sol: the ratio of the fused silica powder is =100: 30; and uniformly spraying the stirred slurry on the surface of the ceramic trap body, and drying for 1h in an oven at 100 ℃.
Compared with the prior art, the invention has the beneficial effects that:
this gasoline engine tail gas particle trap, can be fixed this particle trap and the installation of car bottom through fixing device, through first connecting pipe and intake pipe threaded connection, second connecting pipe and outlet duct threaded connection, thereby be convenient for get off this particle trap is whole to be dismantled, go out storehouse and cylindricality storehouse threaded connection through the toper, be convenient for take out the ceramic trap body in the cylindricality storehouse, thereby be convenient for maintainer clears up the ceramic trap body, make ceramic trap body can reuse, can fix a position the position of ceramic trap body through first annular limiting plate and second annular limiting plate, ensure that automobile exhaust is whole to be filtered through the ceramic trap body. The ceramic catcher body without coating has the isostatic strength of about 0.7-1.1MPa, and the ceramic catcher body with the coating has the isostatic strength of about 1.1-1.5 MPa.
Drawings
FIG. 1 is a schematic view of the overall structure of the particle trap of the present invention;
FIG. 2 is a schematic view of the particle trap of FIG. 1 in an overall exploded configuration;
FIG. 3 is an enlarged view of the particle trap of the present invention at A in FIG. 2;
FIG. 4 is an enlarged view of the particle trap of the present invention at B of FIG. 2;
FIG. 5 is an enlarged view of the particle trap of the present invention at C of FIG. 2;
FIG. 6 is a schematic diagram of a cylindrical bin structure in the particle trap of the present invention;
FIG. 7 is a schematic view of a fixing device of the particle catcher of the present invention;
FIG. 8 is a flow chart of a method of making the particle trap of the present invention.
In the figure: the gas burner comprises a cylindrical bin 1, a conical gas inlet bin 10, a first connecting pipe 100, a first annular plate 101, a first threaded connecting rod 1010, a burner connecting pipe 11, an annular fixed block 12, an annular positioning groove 120, a second annular plate 13, a second threaded connecting rod 130, a first annular limiting plate 14, a conical gas outlet bin 2, a second connecting pipe 20, a third annular plate 200, a third threaded connecting rod 2000, a fourth annular plate 21, a second annular limiting plate 22, a ceramic trap body 3, a gas inlet pipe 4, a fifth annular plate 40, a gas outlet pipe 5, a sixth annular plate 50, a fixing device 6, an upper hoop plate 60, an upper wing plate 600, a connecting block 601, a lower hoop plate 61, a lower wing plate 610, a fastening screw 62, an annular extrusion block 620 and a strip-shaped mounting plate 63.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth", "fifth", "sixth" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-7, the present invention provides a technical solution:
a gasoline engine exhaust particle catcher comprises a cylindrical bin 1, a conical air inlet bin 10 is arranged at the left end of the cylindrical bin 1, a first connecting pipe 100 is arranged at the left end of the conical air inlet bin 10, a first annular plate 101 is arranged on the outer wall of the end part of the first connecting pipe 100, a plurality of first threaded connecting rods 1010 distributed in an annular array are arranged on the left side of the first annular plate 101, annular fixing blocks 12 are arranged on the outer wall of the cylindrical bin 1 and close to the two ends of the cylindrical bin, an annular positioning groove 120 is formed in the outer side of each annular fixing block 12, so that the fixing devices 6 and the annular fixing blocks 12 can be conveniently installed, a fixing device 6 is movably connected in each annular positioning groove 120, each fixing device 6 comprises an upper hoop plate 60 and a lower hoop plate 61 which are symmetrically arranged, upper wing plates 600 are arranged at the two ends of each upper hoop plate 60, a connecting block 601 is arranged in the middle of the outer side of each upper hoop plate 60, a strip-shaped mounting plate, the middle part of the bottom of the lower wing plate 610 is movably connected with a fastening screw 62, the outer wall of the fastening screw 62 and the position close to the top end are provided with an annular extrusion block 620, the outer wall of the cylindrical bin 1 and the position close to the left end are provided with a burner connecting pipe 11 which is connected with a burner, when more particles are deposited in the ceramic catcher body 3, the particles are ignited by the burner and are burnt into carbon dioxide to be discharged, the outer wall of the right end of the cylindrical bin 1 is provided with a second annular plate 13, the right side of the second annular plate 13 is provided with a plurality of second threaded connecting rods 130 which are arranged in an annular array, the cylindrical bin 1 is internally provided with the ceramic catcher body 3, the particles in the tail gas are filtered by the ceramic catcher body 3, the right end of the cylindrical bin 1 is provided with a conical gas outlet bin 2, the outer wall of the left end of the conical gas outlet bin 2 is provided with a fourth annular, the outer wall of the right end of the second connection pipe 20 is provided with a third annular plate 200, and the right side of the third annular plate 200 is provided with a plurality of third threaded connection rods 2000 arranged in an annular array.
In this embodiment, the ends of the first threaded connecting rod 1010, the second threaded connecting rod 130, the third threaded connecting rod 2000 and the fastening screw 62 are all connected with hexagonal nuts in a threaded manner, so that two adjacent annular plates can be fixed by extrusion.
Specifically, the end of the first connecting pipe 100 is provided with an air inlet pipe 4, the outer wall of the right end of the air inlet pipe 4 is provided with a fifth annular plate 40, and the fifth annular plate 40 is connected with the first annular plate 101 for installation.
Further, the end of the second connecting pipe 20 is provided with an outlet pipe 5, the outer wall of the left end of the outlet pipe 5 is provided with a sixth annular plate 50, and the sixth annular plate 50 is connected with the third annular plate 200 for installation.
Further, the inner walls of the upper hoop plate 60 and the lower hoop plate 61 are attached to the bottom of the inner wall of the annular positioning groove 120, so that the upper hoop plate 60 and the lower hoop plate 61 can compress and fix the annular fixing block 12.
Further, the bar-shaped mounting plate 63 is in threaded connection with the automobile bottom plate through screws, so that the fixing device 6 is fixed with the bottom of the automobile, and the position of the cylindrical bin 1 is fixed.
Further, the bottom end of the fastening screw 62 penetrates through the upper wing plate 600 and is in threaded connection with the hexagonal nut, the side surface of the annular extrusion block 620 is attached to the bottom of the lower wing plate 610, and the upper hoop plate 60 and the lower hoop plate 61 are connected and fixed through the fastening screw 62.
Further, the inner wall of the cylindrical bin 1 and the position close to the end part of the burner connecting pipe 11 are provided with a first annular limiting plate 14, the left end of the inner wall of the conical gas outlet bin 2 is provided with a second annular limiting plate 22, and the position of the ceramic trap body 3 can be fixed through the first annular limiting plate 14 and the second annular limiting plate 22.
In addition, the top of fastening screw 62 is equipped with the solid piece of cross, and the maintainer of being convenient for rotates fastening screw 62 to the maintainer of being convenient for is with lower hoop board 61 and the split of last hoop board 60.
When the gasoline engine exhaust particle trap of the embodiment is used, when the ceramic trap body 3 in the particle trap needs to be cleaned or replaced, a maintainer first detaches all the hexagon nuts at the end of the first threaded connecting rod 1010, then detaches all the hexagon nuts at the end of the third threaded connecting rod 2000, then detaches the hexagon nuts of the two fastening screws 62, so that the two lower hoop plates 61 are separated from the upper hoop plate 60, the burner connecting pipe 11 is detached from the burner, then the maintainer pushes the air inlet pipe 4 and the air outlet pipe 5 outwards for a certain distance respectively, so that the first connecting pipe 100 and the second connecting pipe 20 can be detached, at the moment, the whole particle trap is detached, the maintainer detaches all the hexagon nuts at the end of the second threaded connecting rod 130, so that the conical air outlet bin 2 is separated from the cylindrical bin 1, then the ceramic catcher body 3 in the cylindrical bin 1 is taken out for cleaning or replacing.
Referring to FIG. 8, the preparation method of the invention selects a ceramic trap body with apparent porosity of 60-66%, average pore diameter of 16-22um and skin thickness of 0.7-1.2 mm; putting the ceramic catcher body into a drying box for drying for half an hour, taking out and cooling to room temperature; mixing silica sol and fused quartz powder in certain proportion; the solid content of the silica sol is 30-35%, and the particle size D50=2-5um of the fused quartz powder; silica sol: the ratio of the fused silica powder is =100: 30; and uniformly spraying the stirred slurry on the surface of the gasoline engine particle catcher, and drying for 1h at 100 ℃ in an oven. The ceramic catcher body without coating has the isostatic strength of about 0.7-1.1MPa, and the ceramic catcher body with the coating has the isostatic strength of about 1.1-1.5 MPa.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a gasoline engine tail gas particulate trap which characterized in that: the device comprises a cylindrical bin (1), wherein a conical air inlet bin (10) is arranged at the left end of the cylindrical bin (1), a first connecting pipe (100) is arranged at the left end of the conical air inlet bin (10), a first annular plate (101) is arranged on the outer wall of the end part of the first connecting pipe (100), a plurality of first threaded connecting rods (1010) which are arranged in an annular array are arranged on the left side of the first annular plate (101), annular fixing blocks (12) are arranged on the outer wall of the cylindrical bin (1) and close to two ends of the cylindrical bin, an annular positioning groove (120) is formed in the outer side of each annular fixing block (12), a fixing device (6) is movably connected in each annular positioning groove (120), each fixing device (6) comprises an upper hoop plate (60) and a lower hoop plate (61) which are symmetrically arranged, upper wing plates (600) are arranged at two ends of each upper hoop plate (60), and a connecting block (601) is arranged in the middle of the outer side of each, the end part of the connecting block (601) is provided with a strip-shaped mounting plate (63), the two ends of the lower hoop plate (61) are provided with lower wing plates (610), the middle part of the bottom of each lower wing plate (610) is movably connected with a fastening screw (62), the outer wall of each fastening screw (62) is provided with an annular extrusion block (620) at the position close to the top end, the outer wall of the cylindrical bin (1) is provided with a burner connecting pipe (11) at the position close to the left end, the outer wall of the right end of the cylindrical bin (1) is provided with a second annular plate (13), the right side of the second annular plate (13) is provided with a plurality of second threaded connecting rods (130) arranged in an annular array, a ceramic trap body (3) is arranged in the cylindrical bin (1), the right end of the cylindrical bin (1) is provided with a conical gas outlet bin (2), the outer wall of the left end of the conical gas outlet, the right-hand member in toper storehouse (2) of giving vent to anger is equipped with second connecting pipe (20), the outer wall of second connecting pipe (20) right-hand member is equipped with third annular plate (200), the right side of third annular plate (200) is equipped with a plurality of third threaded connection poles (2000) of arranging with annular array.
2. The gasoline engine exhaust particulate trap of claim 1, wherein: the end parts of the first threaded connecting rod (1010), the second threaded connecting rod (130), the third threaded connecting rod (2000) and the fastening screw rod (62) are all in threaded connection with hexagonal nuts.
3. The gasoline engine exhaust particulate trap of claim 1, wherein: the end of the first connecting pipe (100) is provided with an air inlet pipe (4), and the outer wall of the right end of the air inlet pipe (4) is provided with a fifth annular plate (40).
4. The gasoline engine exhaust particulate trap of claim 1, wherein: the end part of the second connecting pipe (20) is provided with an air outlet pipe (5), and the outer wall of the left end of the air outlet pipe (5) is provided with a sixth annular plate (50).
5. The gasoline engine exhaust particulate trap of claim 1, wherein: the inner walls of the upper hoop plate (60) and the lower hoop plate (61) are attached to the bottom of the inner wall of the annular positioning groove (120).
6. The gasoline engine exhaust particulate trap of claim 1, wherein: the strip-shaped mounting plate (63) is in threaded connection with the automobile bottom plate through screws.
7. The gasoline engine exhaust particulate trap of claim 1, wherein: the bottom end of the fastening screw rod (62) penetrates through the upper wing plate (600) and is in threaded connection with the hexagonal nut, and the side face of the annular extrusion block (620) is attached to the bottom of the lower wing plate (610).
8. The gasoline engine exhaust particulate trap of claim 1, wherein: the inner wall of the cylindrical bin (1) and the position close to the end part of the burner connecting pipe (11) are provided with first annular limiting plates (14).
9. The gasoline engine exhaust particulate trap of claim 1, wherein: and a second annular limiting plate (22) is arranged at the left end of the inner wall of the conical gas outlet bin (2).
10. The preparation method of the gasoline engine exhaust particulate trap of claim 1, characterized in that a ceramic trap body with an apparent porosity of 60-66%, an average pore diameter of 16-22um and a skin thickness of 0.7-1.2mm is selected; putting the ceramic catcher body into a drying box for drying for half an hour, taking out and cooling to room temperature; mixing silica sol and fused quartz powder in certain proportion; the solid content of the silica sol is 30-35%, and the particle size D50=2-5um of the fused quartz powder; silica sol: the ratio of the fused silica powder is =100: 30; and uniformly spraying the stirred slurry on the surface of the ceramic trap body, and drying for 1h in an oven at 100 ℃.
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| CN202010929074.9A CN112112708A (en) | 2020-09-07 | 2020-09-07 | Gasoline engine tail gas particle catcher and preparation method thereof |
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| CN202010929074.9A CN112112708A (en) | 2020-09-07 | 2020-09-07 | Gasoline engine tail gas particle catcher and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991909A (en) * | 2022-06-08 | 2022-09-02 | 南京开特环保科技有限公司 | Gasoline engine exhaust particle catcher shell and preparation method thereof |
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| CN103339088A (en) * | 2010-11-29 | 2013-10-02 | 康宁股份有限公司 | A honeycomb structure comprising an outer cement skin and a cement therefor |
| CN203757323U (en) * | 2013-12-20 | 2014-08-06 | 深圳市宏日嘉净化设备科技有限公司 | Bracket for tandem mounting of compressed air system pipeline components |
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| CN204357537U (en) * | 2014-12-23 | 2015-05-27 | 江西安天高新材料有限公司 | A kind of diesel particulate filter |
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| CN207333958U (en) * | 2017-06-22 | 2018-05-08 | 中国海洋大学 | A kind of seabed flexible pipe laying fixing device |
| CN207048836U (en) * | 2017-07-03 | 2018-02-27 | 德阳鑫邦特环保科技有限责任公司 | A kind of split type blast pipe filtering and purifying |
| CN109488418A (en) * | 2018-10-16 | 2019-03-19 | 安徽理工大学 | A kind of saving emission reduction device for automobile |
| CN211287842U (en) * | 2019-07-04 | 2020-08-18 | 天津大学 | Sectional type filter element and engine particulate trap thereof |
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Application publication date: 20201222 |