CN113041723A - Wall-flow ceramic filter and preparation method thereof - Google Patents
Wall-flow ceramic filter and preparation method thereof Download PDFInfo
- Publication number
- CN113041723A CN113041723A CN202110275381.4A CN202110275381A CN113041723A CN 113041723 A CN113041723 A CN 113041723A CN 202110275381 A CN202110275381 A CN 202110275381A CN 113041723 A CN113041723 A CN 113041723A
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- China
- Prior art keywords
- connecting pipe
- pipe
- filter
- wall
- flange
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
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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
- F01N3/0217—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 the filtering elements having the form of hollow cylindrical bodies
Abstract
The invention discloses a wall-flow ceramic filter, which comprises an upper connecting pipe and a lower connecting pipe, wherein the lower end of the upper connecting pipe is provided with a plurality of groups of corrugated pipes communicated with an air inlet, the bottom of each corrugated pipe is connected to the upper end of a filter pipe through a flange, the upper end of the lower connecting pipe is provided with a plurality of groups of connecting pipes communicated with an air outlet, the lower end of each filter pipe is connected to the upper end of the corresponding connecting pipe through a flange, a cylindrical filter element is arranged in each filter pipe, the lower end of each cylindrical filter element is supported on a support ring at the lower side in each filter pipe, and a protective cylinder is connected between the upper connecting. The cylindrical filter element in the filter pipe is convenient to replace; the exhaust is dispersed and then is led into different filter pipes simultaneously, the exhaust is filtered by the cylindrical filter element, the filtering efficiency and the filtering effect on the exhaust are improved, and once the cylindrical filter element is blocked, other groups of cylindrical filter elements can still filter the exhaust.
Description
Technical Field
The invention belongs to the technical field of filters, and particularly relates to a wall-flow ceramic filter and a preparation method thereof.
Background
The wall flow type ceramic particle filter is a device for effectively purifying carbon particles on a diesel vehicle. The existing wall-flow ceramic filter is more and more popular in use, and needs to be integrally replaced every 3-5 months, but because the wall-flow ceramic filter adopts an integrally forming process, the replacement of parts cannot be realized, the maintenance cost is high, the exhaust filtering effect is poor, and the filtering efficiency is low, so that the wall-flow ceramic filter and the preparation method thereof are provided, and the problems mentioned in the background technology are solved.
Disclosure of Invention
The present invention is directed to a wall-flow ceramic filter and a method for manufacturing the same, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a wall flow ceramic filter, includes connecting pipe and lower connecting pipe, the inside of going up the connecting pipe is equipped with the air inlet, the lower extreme of going up the connecting pipe is equipped with the bellows of a plurality of groups and air inlet intercommunication, flange joint is passed through in the upper end of filter tube in the bottom of bellows, the inside gas vent that is equipped with of lower connecting pipe, the upper end of lower connecting pipe is equipped with the connecting pipe of a plurality of groups and gas vent intercommunication, flange joint is passed through in the connecting pipe upper end that corresponds to the lower extreme of filter tube, the inside cylindrical filter core that is equipped with of filter tube, the lower extreme of cylindrical filter core supports on the support ring of the inside downside of filter tube, the inside through-hole that evenly is equipped with of.
Preferably, the outer side of the upper end of the upper connecting pipe is provided with a first flange ring, and the upper connecting pipe and the first flange ring are integrally formed.
Preferably, a second flange ring is arranged on the outer side of the lower end of the lower connecting pipe, and the lower connecting pipe and the second flange ring are integrally formed.
Preferably, the upper connecting pipe is arranged in a round table shape with a narrow top and a wide bottom, and the lower connecting pipe is arranged in a round table shape with a wide top and a narrow bottom.
Preferably, the upper end of the protection cylinder is sleeved outside the bottom of the upper connecting pipe and connected through a bolt, and the lower end of the protection cylinder is sleeved outside the upper end of the lower connecting pipe and connected through a bolt.
The invention also provides a preparation method of the wall-flow ceramic filter, which comprises the following steps:
s1, placing the cylindrical filter element in the filter tube, so that the lower end of the cylindrical filter element is supported on the support ring at the lower side in the filter tube;
s2, connecting the lower end of the filter pipe to the upper end of the corresponding connecting pipe through a flange, and connecting the bottom of the corrugated pipe to the upper end of the corresponding filter pipe through a flange;
s3, sealing an exhaust port in the lower connecting pipe, ventilating the upper connecting pipe through an air inlet, and detecting the air tightness of the connection of the corrugated pipe, the filter pipe and the connecting pipe;
and S4, after the air tightness is qualified, fixing the protective cylinder between the upper connecting pipe and the lower connecting pipe.
Compared with the prior art, the invention has the beneficial effects that: according to the wall-flow ceramic filter and the preparation method thereof, the corrugated pipe is arranged, the wall-flow ceramic filter has elasticity, and the protective cylinder can be replaced with the protective cylinder with different lengths according to the requirements, so that the distance between the upper connecting pipe and the lower connecting pipe can be adjusted after the protective cylinder is connected with the upper connecting pipe and the lower connecting pipe, and the wall-flow ceramic filter can be smoothly installed in different spaces;
the lower ends of the filter pipes are connected to the upper ends of the corresponding connecting pipes through flanges, and the bottoms of the corrugated pipes are connected to the upper ends of the corresponding filter pipes through flanges, so that the connecting pipes, the filter pipes and the corrugated pipes are convenient to disassemble;
because the bellows is provided with a plurality of groups, and connecting pipe and filter tube set up for corresponding with the bellows, be convenient for like this with the exhaust dispersion back introduce simultaneously to the filter tube of difference in, the exhaust filters through cylindrical filter core, has improved exhaust filtration efficiency and filter effect, in case cylindrical filter core blocks up, other cylindrical filter cores of group still can filter the exhaust.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic sectional view of the cylindrical filter element and the filter tube of the present invention after installation.
In the figure: the filter comprises a first flange ring 1, an air inlet 2, an upper connecting pipe 3, a corrugated pipe 4, a filter pipe 5, a connecting pipe 6, a lower connecting pipe 7, a second flange ring 8, a protective cylinder 9, a bolt 10, a cylindrical filter element 11, a through hole 12 and a support ring 13.
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.
Example 1: the present invention provides a wall-flow ceramic filter as shown in fig. 1-3, comprising an upper connecting tube 3 and a lower connecting tube 7, an air inlet 2 is arranged in the upper connecting pipe 3, a plurality of groups of corrugated pipes 4 communicated with the air inlet 2 are arranged at the lower end of the upper connecting pipe 3, the bottom of the corrugated pipe 4 is connected with the upper end of the filter pipe 5 through a flange, an exhaust port is arranged in the lower connecting pipe 7, the upper end of the lower connecting pipe 7 is provided with a plurality of groups of connecting pipes 6 communicated with the exhaust port, the lower end of the filter pipe 5 is connected with the upper end of the corresponding connecting pipe 6 through a flange, a cylindrical filter element 11 is arranged inside the filter pipe 5, the lower end of the cylindrical filter element 11 is supported on a support ring 13 at the lower side inside the filter pipe 5, the cylindrical filter element 11 is uniformly provided with through holes 12, and a protective cylinder 9 is connected between the upper connecting pipe 3 and the lower connecting pipe 7.
Specifically, the outer side of the upper end of the upper connecting pipe 3 is provided with a first flange ring 1, and the upper connecting pipe 3 and the first flange ring 1 are integrally formed.
Specifically, the outer side of the lower end of the lower connecting pipe 7 is provided with a second flange ring 8, and the lower connecting pipe 7 and the second flange ring 8 are integrally formed.
Specifically, the upper connecting pipe 3 is in a truncated cone shape with a narrow top and a wide bottom, and the lower connecting pipe 7 is in a truncated cone shape with a wide top and a narrow bottom.
Specifically, the upper end of the protection cylinder 9 is sleeved outside the bottom of the upper connecting pipe 3 and connected through a bolt 10, and the lower end of the protection cylinder 9 is sleeved outside the upper end of the lower connecting pipe 7 and connected through a bolt 10.
The invention also provides a preparation method of the wall-flow ceramic filter, which comprises the following steps:
s1, placing the cylindrical filter element 11 inside the filter tube 5, so that the lower end of the cylindrical filter element 11 is supported on the support ring 13 at the lower side inside the filter tube 5;
s2, connecting the lower end of the filter pipe 5 to the upper end of the corresponding connecting pipe 6 through a flange, and connecting the bottom of the corrugated pipe 4 to the upper end of the corresponding filter pipe 5 through a flange;
s3, sealing an exhaust port in the lower connecting pipe 7, ventilating the upper connecting pipe 3 through the air inlet 2, and detecting the air tightness of the connection of the corrugated pipe 4, the filter pipe 5 and the connecting pipe 6;
and S4, after the air tightness is qualified, fixing the protective cylinder 9 between the upper connecting pipe 3 and the lower connecting pipe 7.
In summary, compared with the prior art, the wall-flow ceramic filter has the advantages that due to the arrangement of the corrugated pipe 4, the wall-flow ceramic filter has elasticity, and meanwhile, the protective cylinder 9 can be replaced by different lengths according to needs, so that after the protective cylinder 9 is connected with the upper connecting pipe 3 and the lower connecting pipe 7, the distance between the upper connecting pipe 3 and the lower connecting pipe 7 can be adjusted, and the wall-flow ceramic filter can be smoothly installed in different spaces;
the lower ends of the filter pipes 5 are connected to the upper ends of the corresponding connecting pipes 6 through flanges, the bottoms of the corrugated pipes 4 are connected to the upper ends of the corresponding filter pipes 5 through flanges, so that the connecting pipes 6, the filter pipes 5 and the corrugated pipes 4 can be conveniently detached, and the cylindrical filter elements 11 are placed inside the filter pipes 5, so that the lower ends of the cylindrical filter elements 11 are supported on the support rings 13 on the lower sides inside the filter pipes 5, and the cylindrical filter elements 11 in the filter pipes 5 can be conveniently replaced;
because bellows 4 is provided with a plurality of groups, and connecting pipe 6 and filter tube 5 set up for corresponding with bellows 4, be convenient for like this with the exhaust dispersion back introduce simultaneously to the filter tube 5 of difference in, the exhaust filters through cylindrical filter core 11, has improved exhaust filtration efficiency and filter effect, in case cylindrical filter core 11 blocks up, other cylindrical filter cores 11 of group still can filter the exhaust.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A wall-flow ceramic filter, includes connecting pipe (3) and lower connecting pipe (7) down, its characterized in that: an air inlet (2) is arranged in the upper connecting pipe (3), a plurality of groups of corrugated pipes (4) communicated with the air inlet (2) are arranged at the lower end of the upper connecting pipe (3), the bottom of the corrugated pipe (4) is connected with the upper end of the filter pipe (5) through a flange, an air outlet is arranged in the lower connecting pipe (7), a plurality of groups of connecting pipes (6) communicated with the air outlet are arranged at the upper end of the lower connecting pipe (7), the lower end of the filter pipe (5) is connected with the upper end of the corresponding connecting pipe (6) through a flange, a cylindrical filter element (11) is arranged in the filter pipe (5), the lower end of the cylindrical filter element (11) is supported on a support ring (13) at the lower side in the filter pipe (5), the cylindrical filter element (11) is uniformly provided with through holes (12), and a protective cylinder (9) is connected between the upper connecting pipe (3) and the lower connecting pipe (7).
2. A wall-flow ceramic filter according to claim 1, wherein: the outer side of the upper end of the upper connecting pipe (3) is provided with a first flange ring (1), and the upper connecting pipe (3) and the first flange ring (1) are integrally formed.
3. A wall-flow ceramic filter according to claim 1, wherein: the lower end of the lower connecting pipe (7) is provided with a second flange ring (8), and the lower connecting pipe (7) and the second flange ring (8) are integrally formed.
4. A wall-flow ceramic filter according to claim 1, wherein: the upper connecting pipe (3) is in a round table shape with a narrow upper part and a wide lower part, and the lower connecting pipe (7) is in a round table shape with a wide upper part and a narrow lower part.
5. A wall-flow ceramic filter according to claim 1, wherein: the upper end of the protection barrel (9) is sleeved on the outer side of the bottom of the upper connecting pipe (3) and connected through a bolt (10), and the lower end of the protection barrel (9) is sleeved on the outer side of the upper end of the lower connecting pipe (7) and connected through the bolt (10).
6. A method of making a wall-flow ceramic filter according to claim 1, wherein: the method specifically comprises the following steps:
s1, placing the cylindrical filter element (11) in the filter pipe (5) so that the lower end of the cylindrical filter element (11) is supported on the support ring (13) at the lower side in the filter pipe (5);
s2, connecting the lower end of the filter pipe (5) to the upper end of the corresponding connecting pipe (6) through a flange, and connecting the bottom of the corrugated pipe (4) to the upper end of the corresponding filter pipe (5) through a flange;
s3, sealing an exhaust port in the lower connecting pipe (7), ventilating the upper connecting pipe (3) through the air inlet (2), and detecting the air tightness of the connection of the corrugated pipe (4), the filter pipe (5) and the connecting pipe (6);
and S4, after the air tightness is qualified, fixing the protective cylinder (9) between the upper connecting pipe (3) and the lower connecting pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110275381.4A CN113041723A (en) | 2021-03-15 | 2021-03-15 | Wall-flow ceramic filter and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110275381.4A CN113041723A (en) | 2021-03-15 | 2021-03-15 | Wall-flow ceramic filter and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113041723A true CN113041723A (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110275381.4A Pending CN113041723A (en) | 2021-03-15 | 2021-03-15 | Wall-flow ceramic filter and preparation method thereof |
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| Country | Link |
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| CN (1) | CN113041723A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750606A (en) * | 2021-09-24 | 2021-12-07 | 晚书强 | Wall-flow silicon carbide ceramic filter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120240560A1 (en) * | 2009-12-04 | 2012-09-27 | Alantum | Exhaust gas filter |
| CN203321633U (en) * | 2013-06-15 | 2013-12-04 | 江阴华音陶瓷机电科技有限公司 | Diesel engine set purifier |
| JP2015175359A (en) * | 2014-03-18 | 2015-10-05 | 日本碍子株式会社 | Emission control device |
| CN206793238U (en) * | 2017-05-04 | 2017-12-26 | 中国工程物理研究院激光聚变研究中心 | Dust filter unit and semi-conducting material Preparation equipment |
| CN211273970U (en) * | 2019-07-05 | 2020-08-18 | 天津大学 | Layered filter element and engine particulate trap thereof |
-
2021
- 2021-03-15 CN CN202110275381.4A patent/CN113041723A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120240560A1 (en) * | 2009-12-04 | 2012-09-27 | Alantum | Exhaust gas filter |
| CN203321633U (en) * | 2013-06-15 | 2013-12-04 | 江阴华音陶瓷机电科技有限公司 | Diesel engine set purifier |
| JP2015175359A (en) * | 2014-03-18 | 2015-10-05 | 日本碍子株式会社 | Emission control device |
| CN206793238U (en) * | 2017-05-04 | 2017-12-26 | 中国工程物理研究院激光聚变研究中心 | Dust filter unit and semi-conducting material Preparation equipment |
| CN211273970U (en) * | 2019-07-05 | 2020-08-18 | 天津大学 | Layered filter element and engine particulate trap thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750606A (en) * | 2021-09-24 | 2021-12-07 | 晚书强 | Wall-flow silicon carbide ceramic filter |
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Application publication date: 20210629 |
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| RJ01 | Rejection of invention patent application after publication |