CN208734407U - A honeycomb ceramic particle filter - Google Patents
A honeycomb ceramic particle filter Download PDFInfo
- Publication number
- CN208734407U CN208734407U CN201821433649.2U CN201821433649U CN208734407U CN 208734407 U CN208734407 U CN 208734407U CN 201821433649 U CN201821433649 U CN 201821433649U CN 208734407 U CN208734407 U CN 208734407U
- Authority
- CN
- China
- Prior art keywords
- filter
- granule
- particulate
- particulate filter
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 28
- 239000002245 particle Substances 0.000 title abstract description 37
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 11
- 239000008187 granular material Substances 0.000 claims description 63
- 241000264877 Hippospongia communis Species 0.000 claims description 21
- 239000011148 porous material Substances 0.000 claims description 21
- 239000013618 particulate matter Substances 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000001413 cellular effect Effects 0.000 claims description 4
- 239000011163 secondary particle Substances 0.000 abstract 4
- 239000011164 primary particle Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 11
- 239000003344 environmental pollutant Substances 0.000 description 7
- 231100000719 pollutant Toxicity 0.000 description 7
- 238000011109 contamination Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Filtering Materials (AREA)
Abstract
一种蜂窝陶瓷颗粒过滤器，包括三节陶瓷制成的呈相同蜂窝状截面形状的次级颗粒过滤器，沿气体从中依次流过的方向分为一级颗粒过滤器、二级颗粒过滤器和三级颗粒过滤器，一级的末端与二级的始端对齐并贴合，一级的出气孔道与二级的进气孔道对齐并连通，二级的末端与三级的始端对齐并贴合，二级的出气孔道与三级的进气孔道对齐并连通；一级进气孔道的末端和对应二级出气孔道的始端分别与同一块碳化硅块的两端粘接，二级进气孔道的末端和对应三级出气孔道的始端分别与同一块碳化硅块的两端粘接，使三节次级颗粒过滤器依次粘接为一体；一级颗粒过滤器中的微孔直径为15‑20μm，二级颗粒过滤器中的微孔直径为5‑8μm，三级颗粒过滤器中的微孔直径为2‑3μm。
A honeycomb ceramic particle filter, comprising three sections of ceramic secondary particle filters with the same honeycomb cross-sectional shape, which are divided into a primary particle filter, a secondary particle filter and a third particle filter along the direction in which the gas flows in turn. The end of the first stage is aligned and fitted with the beginning of the second stage, the outlet port of the first stage is aligned and connected with the inlet port of the second stage, and the end of the second stage is aligned and fitted with the start end of the third stage. The air outlet channel of the second stage is aligned and connected to the air inlet channel of the third stage; The end of the channel and the beginning end of the corresponding tertiary outlet channel are respectively bonded with the two ends of the same silicon carbide block, so that the three secondary particle filters are bonded in sequence as a whole; the diameter of the micropores in the primary particle filter is 15 ‑20µm, 5‑8µm diameter in the secondary particle filter, and 2‑3µm in the tertiary particle filter.
Description
Technical field
The utility model relates to ceramic particles filters field more particularly to a kind of ceramic honey comb particulate filters.
Background technique
Particle contamination refers to being suspended in air can be right to the solid or liquid particles object that human health causes damages
The tail gas with particulate pollutant of particle contamination in city, motor vehicle emission is one of primary pollution source, existing solution
It is most common that particulate filter is exactly installed on vehicle with effective in the method for vehicle exhaust particle contamination.Common particle
Filter is ceramic honey comb particulate filter, using the porous ceramic film material with ventable micropore, in filter along gas from
In the direction flowed through offer multiple parallel ducts, multiple ducts are grouped together into similar cellular cross sectional shape；It is more
A duct interval is divided into air inlet port and outlet duct, and the end of air inlet port and the beginning in outlet duct are blocked, makes to flow
The gas for entering air inlet port can pass through the micropore on the hole wall of air inlet port and flow into adjacent outlet duct, in gas from micro-
When hole is flowed through, because the partial size of particulate pollutant is greater than the diameter of micropore in gas, it can not be will be filtered simultaneously by micropore
It rests on the hole wall of air inlet port, so that realizing will be from the particulate pollutant mistake in the gas tail gas being discharged in particulate filter
The purpose of filter；As gas constantly passes through on filter hole wall, packed particle pollutant can be continued and form stack layer, at one section
Between after the particulate matter that is relatively large in diameter in stack layer can blocking microporous, just needing to carry out particulate filter at this time to clear up could continue
It uses.
Existing ceramic honey comb particulate filter, usually again using compression moulding after the raw material mixing of same particle size size
Monolithic construction made of being sintered, the interior micro-pore diameter from beginning to the end in duct of filter is almost the same, and vehicle exhaust
In the particle sizes of different particulate pollutant opposing gas molecules be different, if the micro-pore diameter of filter is excessive,
The particulate matter being equally relatively large in diameter in tail gas can only be then filtered, excessive small diameter particles object can be made by micropore and from filter
Middle discharge causes the particle contamination levels in the vehicle exhaust of discharge exceeded, filter is made to be unable to fully play the work of filtering
With；And if the micro-pore diameter of filter is too small, during the filtration process, the particulate matter being relatively large in diameter can be more easily blocking microporous,
Cause filter filter effect when just beginning to use preferable, but will soon need to clear up because of blockage of the micro orifice, makes filter
Cleaning cycle it is too short, cause filter effect due to can not obtain clearing up in time poor.
In actual use, the Average Particle Diameters of vehicle exhaust particle, i.e., of various different-diameters in vehicle exhaust
Grain respectively accounting how many, the diameter differences of major diameter particle and small diameter particles how many, be usually to be difficult to accurately estimate,
So be also just difficult to determine that the micropore of particulate filter is the most suitable in great diameter previously according to the tail gas filtered is needed,
Cause existing ceramic honey comb particulate filter after manufacturing according to certain micro-pore diameter, different situations are faced in actual use
Under tail gas, the size of micropore is generally not excessive be exactly it is too small, keep the filter effect of filter poor, it is difficult to sufficiently play
Filtering tail gas reduces the effect of particle contamination.
Utility model content
To solve existing ceramic honey comb particulate filter, since micro-pore diameter is difficult to pollutants different from vehicle exhaust
The size of particle matches, and makes that filter in actual use can be excessive or too small because of micro-pore diameter and filter effect is poor
Problem, the utility model provide a kind of ceramic honey comb particulate filter.
Used technical solution is the utility model to solve above-mentioned technical problem: a kind of ceramic honey comb particle filtering
Device, including three sections be made of ceramic in cellular secondary granule filter, interval is set in three section secondary granule filters
It is equipped with air inlet port and outlet duct, the end of all air inlet ports and the beginning in outlet duct are bonded with for blocking duct
The silicon carbide bulk of one end is distributed on the hole wall between any two adjoining cell channels for for gas to pass through and filter in gas
The micropore of particulate matter, the three section secondary granule filters are divided into primary granule filtering along the direction that gas therefrom flows successively through
Device, second particulate filter and tertiary granule filter, three section secondary granule filters are put down in vertical with gas circulating direction
Cross sectional shape on face is identical, and the end of primary granule filter is aligned and is bonded with the beginning of second particulate filter, level-one
The outlet duct of particulate filter is aligned and is connected to the air inlet port of second particulate filter, the end of second particulate filter
Be aligned and be bonded with the beginning of tertiary granule filter, the outlet duct of second particulate filter and tertiary granule filter into
Stomata road is aligned and is connected to；The end of primary granule filter air inlet port and corresponding second particulate filter outlet duct
Beginning is Nian Jie with the both ends of same silicon carbide bulk respectively, the end of second particulate filter air inlet port and corresponding three-level
The beginning in grain filter outlet duct is Nian Jie with the both ends of same silicon carbide bulk respectively, to make three section secondary granule filters
Successively it is bonded as one；Micro-pore diameter in primary granule filter middle hole wall is 15-20 μm, second particulate filter middle hole wall
On micro-pore diameter be 5-8 μm, the micro-pore diameter in tertiary granule filter middle hole wall is 2-3 μm.
Preferably, the three section secondary granule filters are identical along the length of gas circulating direction.
Preferably, the outer wall of the three section secondary granule filters is the identical cylindrical surface of diameter.
According to the above technical scheme, the beneficial effects of the utility model are:
A kind of ceramic honey comb particulate filter provided by the utility model, You Sanjie secondary granule filter are composed,
And the micro-pore diameter of three section secondary granule filters is sequentially reduced, and three section secondary granule filters is enable successively to filter respectively
The particulate pollutant of different-diameter in tail gas, wherein the micro-pore diameter on tertiary granule filter is minimum and is 2-3 μm, can protect
Card by the micropore of tertiary granule filter finally from the tail gas being discharged in ceramic honey comb particulate filter particulate matter content
Meet the requirement of anti-particle contamination；Also, tail gas has been distinguished before reaching tertiary granule filter and second particulate filter
The filtering that have passed through second particulate filter and primary granule filter filters larger-diameter particulate matter in tail gas first,
To make the particulate matter of different-diameter in tail gas that can be deposited in respectively on the air inlet port side wall of three section secondary granule filters, from
And slow down the speed that micropore is prematured by solids and needs to clear up, extend the cleaning cycle of amplifier case；Moreover, because three sections
The characteristics of micro-pore diameter of grade particles filter is sequentially reduced, on tertiary granule filter and second particulate filter in tail gas
Micropore for the excessive particulate matter of diameter can first be filtered out, make the micro- of tertiary granule filter and second particulate filter
Bore dia all will not be too small with respect to its particulate matter diameter filtered, also just makes tertiary granule filter and second particulate filter
All micropore will not be made to be blocked rapidly because of the excessive particulate matter of filter diameter, to extend the cleaning week of amplifier case
Phase；
So the ceramic honey comb particulate filter of the utility model is compared with prior art, filtered by three section secondary granules
Device first filters the major diameter particulate matter in tail gas and refilters small diameter particles object, on the one hand can make finally from ceramic honey comb particle
In the tail gas being discharged in filter, major diameter particulate matter and small diameter particles object can be filtered sufficiently, to guarantee to filter
Effect meets the requirement for preventing pollution, on the other hand the excessive particle of lesser micro porous filtration diameter is also avoided that, thus in mistake
Under the premise of filter can filter small particle, moreover it is possible to guarantee that micropore will not be blocked rapidly by bulky grain, with existing honeycomb
Ceramic particles filters are compared, and are overcome micro-pore diameter and are difficult to contaminant particle phase with different-diameter size in vehicle exhaust
Match, causes filter in actual use because micro-pore diameter is excessive or too small, the poor drawback of filter effect, filtering effect
Fruit is more preferable, and service life is also longer, and the scope of application is also more extensive.
Detailed description of the invention
Fig. 1 is the main view schematic cross-sectional view of the utility model, and arrow indicates the direction that gas flows in filter in figure；
Fig. 2 is the schematic diagram of honeycomb cross sectional shape when the utility model is observed from the side of Fig. 1.
Marked in the figure: 1, primary granule filter, 2, second particulate filter, 3, tertiary granule filter, 4, silicon carbide
Block.
Specific embodiment
Referring to attached drawing, specific embodiment is as follows:
A kind of ceramic honey comb particulate filter, including three sections be made of ceramic in cellular secondary granule filter,
Air inlet port and outlet duct, the end of all air inlet ports and venthole are arranged at intervals in three section secondary granule filters
The beginning in road is bonded with the silicon carbide bulk 4 for blocking duct one end, divides equally on the hole wall between any two adjoining cell channels
Be furnished with for for gas to pass through and filter the micropore of particulate matter in gas, the three section secondary granule filters along gas therefrom
The direction flowed successively through is divided into primary granule filter 1, second particulate filter 2 and tertiary granule filter 3, three sections secondary
Grain filter is identical along the length of gas circulating direction, and three section secondary granule filters are in the plane vertical with gas circulating direction
On cross sectional shape it is identical, and the outer wall of three section secondary granule filters be the identical cylindrical surface of diameter, primary granule filter 1
End be aligned and be bonded with the beginning of second particulate filter 2, the outlet duct of primary granule filter 1 and secondary granule mistake
The air inlet port of filter 2 is aligned and is connected to, and the end of second particulate filter 2 is aligned simultaneously with the beginning of tertiary granule filter 3
Fitting, the outlet duct of second particulate filter 2 is aligned and is connected to the air inlet port of tertiary granule filter 3；Primary granule
The beginning in the 2 outlet duct of end and corresponding second particulate filter of 1 air inlet port of filter respectively with same silicon carbide
The both ends of block 4 are bonded, 3 outlet duct of the end of 2 air inlet port of second particulate filter and corresponding tertiary granule filter
Beginning is Nian Jie with the both ends of same silicon carbide bulk 4 respectively, so that three section secondary granule filters be made successively to be bonded as one；One
Micro-pore diameter in 1 middle hole wall of grade particles filter is 15-20 μm, and the micro-pore diameter in 2 middle hole wall of second particulate filter is
5-8 μm, the micro-pore diameter in 3 middle hole wall of tertiary granule filter is 2-3 μm.
The ceramic honey comb particulate filter of the utility model can first be filtered in tail gas by three section secondary granule filters
Major diameter particulate matter refilter small diameter particles object, on the one hand make the tail gas being finally discharged from ceramic honey comb particulate filter
In, major diameter particulate matter and small diameter particles object can be filtered sufficiently, so that guaranteeing that filter effect meets prevents pollution
It is required that on the other hand be also avoided that the excessive particle of lesser micro porous filtration diameter, thus filter can be by small particle
Under the premise of filtering, moreover it is possible to guarantee that micropore will not be blocked rapidly by bulky grain, compared with existing ceramic honey comb particulate filter,
It overcomes micro-pore diameter to be difficult to match with the contaminant particle of different-diameter size in vehicle exhaust, causes filter in reality
Because micro-pore diameter is excessive or too small in use, the poor drawback of filter effect, filter effect is more preferable, and service life is also more
Long, the scope of application is also more extensive.
Claims (3)
1. a kind of ceramic honey comb particulate filter, including three sections be made of ceramic in cellular secondary granule filter, three
Air inlet port and outlet duct, the end and outlet duct of all air inlet ports are arranged at intervals in section secondary granule filter
Beginning be bonded with the silicon carbide bulk (4) for blocking duct one end, divide equally on the hole wall between any two adjoining cell channels
It is furnished with for for gas to pass through and filter the micropore of particulate matter in gas, it is characterised in that: the three section secondary granules filtering
Device is divided into primary granule filter (1), second particulate filter (2) and tertiary granule mistake along the direction that gas therefrom flows successively through
Filter (3), three section secondary granule filters are in, primary granule identical as the cross sectional shape in the vertical plane of gas circulating direction
The end of filter (1) is aligned and is bonded with the beginning of second particulate filter (2), the venthole of primary granule filter (1)
Road is aligned and is connected to the air inlet port of second particulate filter (2), the end of second particulate filter (2) and tertiary granule mistake
The beginning of filter (3) is aligned and is bonded, the air inlet in the outlet duct and tertiary granule filter (3) of second particulate filter (2)
Duct is aligned and is connected to；The end of primary granule filter (1) air inlet port and corresponding second particulate filter (2) venthole
The beginning in road is Nian Jie with the both ends of same silicon carbide bulk (4) respectively, the end of second particulate filter (2) air inlet port and right
The beginning in tertiary granule filter (3) the outlet duct answered is Nian Jie with the both ends of same silicon carbide bulk (4) respectively, to make three
Section secondary granule filter is successively bonded as one；Micro-pore diameter in primary granule filter (1) middle hole wall is 15-20 μm,
Micro-pore diameter in second particulate filter (2) middle hole wall is 5-8 μm, and the micropore in tertiary granule filter (3) middle hole wall is straight
Diameter is 2-3 μm.
2. a kind of ceramic honey comb particulate filter according to claim 1, it is characterised in that: the three section secondary granules
Filter is identical along the length of gas circulating direction.
3. a kind of ceramic honey comb particulate filter according to claim 1, it is characterised in that: the three section secondary granules
The outer wall of filter is the identical cylindrical surface of diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821433649.2U CN208734407U (en) | 2018-09-03 | 2018-09-03 | A honeycomb ceramic particle filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821433649.2U CN208734407U (en) | 2018-09-03 | 2018-09-03 | A honeycomb ceramic particle filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208734407U true CN208734407U (en) | 2019-04-12 |
Family
ID=66032505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821433649.2U Expired - Fee Related CN208734407U (en) | 2018-09-03 | 2018-09-03 | A honeycomb ceramic particle filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208734407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108706987A (en) * | 2018-09-03 | 2018-10-26 | 洛阳理工学院 | A kind of ceramic honey comb particulate filter and preparation method thereof |
| CN117138406A (en) * | 2023-07-26 | 2023-12-01 | 南京柯瑞特种陶瓷股份有限公司 | Single-face plugging type honeycomb ceramic filter for water treatment |
-
2018
- 2018-09-03 CN CN201821433649.2U patent/CN208734407U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108706987A (en) * | 2018-09-03 | 2018-10-26 | 洛阳理工学院 | A kind of ceramic honey comb particulate filter and preparation method thereof |
| CN117138406A (en) * | 2023-07-26 | 2023-12-01 | 南京柯瑞特种陶瓷股份有限公司 | Single-face plugging type honeycomb ceramic filter for water treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6409805B1 (en) | Fluid filter system | |
| JP4673084B2 (en) | Honeycomb filter and exhaust gas treatment device | |
| CN101449034B (en) | Filter device, especially for an exhaust system of an internal combustion engine | |
| CN105289117B (en) | Demister | |
| US6923911B1 (en) | Method of filtering air through an air passageway | |
| US4960449A (en) | Ceramic particulate trap and method of making the same | |
| EP0570384A1 (en) | BACKFLUSHABLE FILTRATION DEVICE AND METHOD FOR THE PRODUCTION AND USE THEREOF. | |
| JPS58196820A (en) | Honeycomb filter | |
| CN208734407U (en) | A honeycomb ceramic particle filter | |
| CN102625727A (en) | Particulate filters and methods of filtering particulate matter | |
| JP2004261664A (en) | Honeycomb structure and mouthpiece for extrusion molding of honeycomb structure | |
| JPWO2007094499A1 (en) | Ceramic honeycomb filter and exhaust gas purification device | |
| US8187353B2 (en) | Filtration structures for improved particulate filter performance | |
| US8016906B2 (en) | Honeycomb filter elements | |
| JP6581828B2 (en) | Honeycomb filter | |
| JP2001269522A (en) | Filter made of porous ceramics sintered body | |
| EP4513167A3 (en) | Systems and methods for separating particles in fluids | |
| CN109356688A (en) | A kind of ceramic honey comb plug-hole structure | |
| CN210889076U (en) | A secondary ceramic particulate filter with catalytic combustion | |
| JP2017064609A (en) | Honeycomb structure | |
| JP4358538B2 (en) | Ceramic filter | |
| CN103157331A (en) | High-efficiency mesh channel hierarchical air filtering structure | |
| CN107081011A (en) | A kind of hole blocking method of wall-flow type honeycomb ceramic filter core | |
| CN204457951U (en) | Diesel engine wall-flow particulate filter type honeycomb ceramic filter body | |
| JP2009000647A (en) | Exhaust gas cleaning filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20190903 |