CN218475036U - Special-shaped foamed ceramic filter for filtering waste gas - Google Patents
Special-shaped foamed ceramic filter for filtering waste gas Download PDFInfo
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- CN218475036U CN218475036U CN202222993234.3U CN202222993234U CN218475036U CN 218475036 U CN218475036 U CN 218475036U CN 202222993234 U CN202222993234 U CN 202222993234U CN 218475036 U CN218475036 U CN 218475036U
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Abstract
The utility model discloses a special-shaped foamed ceramic filter for filtering waste gas, wherein at least one side surface of the special-shaped foamed ceramic filter extending along the flow direction of the waste gas is provided with an arch part; the arched part comprises at least one arc-shaped surface, the arc-shaped surface protrudes towards the direction vertical to the flowing direction of the waste gas, the arc-shaped surface is abutted against one side surface of the other special-shaped ceramic foam filter, and a gap between the arc-shaped surface and the abutted side surface of the other special-shaped ceramic foam filter forms a longitudinal flow passage. The side of the special-shaped foamed ceramic filter is provided with the arched part, the multilayer special-shaped foamed ceramic filter comprises a plurality of longitudinal flow channels, the phenomenon that the waste gas purification equipment completely fails due to blockage of the special-shaped foamed ceramic filter close to a waste gas inlet can be avoided, the special-shaped foamed ceramic filter has the advantages of more stable filtering effect and longer service life, and the time and the cost for equipment maintenance can be saved.
Description
Technical Field
The utility model relates to a ceramic filter technical field especially relates to a heterotypic foamed ceramic filter for filtering waste gas.
Background
The ceramic foam filter has dense pores, has a good filtering effect and an impurity adsorbing effect, and is widely applied to exhaust gas purification equipment.
In order to improve the filtering effect of the waste gas purifying equipment, the filtering cavity of the waste gas purifying equipment in the prior art adopts a sheet-shaped or block-shaped foamed ceramic filter, and the foamed ceramic filters of all layers are mutually abutted one by one and are stacked layer by layer.
When the filter is used for filtering the waste gas containing viscous liquid, after a period of use, the layer of the foamed ceramic filter close to the waste gas inlet is blocked due to the adsorption of a large amount of impurities of the viscous liquid, so that the lower layer of the foamed ceramic filter cannot effectively play a filtering role, the foamed ceramic filter needs to be replaced and a filter cavity needs to be cleaned, the maintenance time and the maintenance cost of the waste gas purification equipment are correspondingly increased, and even the service life of the waste gas purification equipment is shortened.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a ceramic foam filter for filtering exhaust gas, the arched portion of which can form a longitudinal flow channel in the filter chamber, thereby avoiding the occurrence of blockage and complete failure of the exhaust gas purification device.
To achieve the purpose, the utility model adopts the following technical proposal:
a special-shaped foamed ceramic filter for filtering waste gas is characterized in that a plurality of special-shaped foamed ceramic filters are abutted front and back and are arranged in a filter cavity of waste gas purification equipment in a multi-layer mode, waste gas to be filtered passes through the filter cavity from top to bottom and is purified, and at least one side surface of each special-shaped foamed ceramic filter, which extends along the flow direction of the waste gas, is provided with an arch part;
the arched part comprises at least one arc-shaped surface, the arc-shaped surface protrudes towards the direction vertical to the flowing direction of the waste gas, the arc-shaped surface is abutted against one side surface of the other special-shaped ceramic foam filter, and a gap between the arc-shaped surface and the abutted side surface of the other special-shaped ceramic foam filter forms a longitudinal flow passage.
Furthermore, the arch part is also provided with a transverse groove;
the transverse grooves extend along the direction perpendicular to the longitudinal flow channels, are located in the middle of the arch surface of the arch portion and are recessed towards the arch portion, and two ends of each transverse groove are communicated with the two longitudinal flow channels respectively.
In some embodiments, the arch comprises two adjacent arcuate faces;
the gap between two adjacent arc-shaped surfaces forms a longitudinal arc-shaped surface groove, two sides of the arc-shaped surfaces of the two adjacent arc-shaped surfaces respectively form two half arc-shaped surface grooves with the side surface of the special-shaped foamed ceramic filter, the longitudinal arc-shaped surface groove and the two half arc-shaped surface grooves respectively form three longitudinal flow passages, and the three longitudinal flow passages are communicated with the transverse grooves.
In other embodiments, the profiled ceramic foam filter is provided with two of the arches;
the two arched parts are respectively positioned on two back surfaces of the special-shaped foamed ceramic filter, and each arched part comprises two adjacent arc-shaped surfaces.
Preferably, the substrate of the profiled ceramic foam filter is a foam sponge body with a porous structure, and the porosity is 75-85%.
The utility model discloses an above-mentioned technical scheme's beneficial effect does: the special-shaped foamed ceramic filter for filtering waste gas is characterized in that the side surface of the special-shaped foamed ceramic filter is provided with the arched part, and the multilayer special-shaped foamed ceramic filter contains a plurality of longitudinal flow channels, so that the phenomenon that waste gas purification equipment completely fails due to blockage of the special-shaped foamed ceramic filter close to a waste gas inlet can be avoided, the special-shaped foamed ceramic filter has the advantages of more stable filtering effect and longer service life, and the time and the cost for equipment maintenance can be saved.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the present invention of a profiled ceramic foam filter for filtering exhaust gases;
FIG. 2 is a plan view of an arrangement of the shaped ceramic foam filter of FIG. 1 in an exhaust gas purification apparatus;
FIG. 3 is a plan view of another arrangement of the shaped ceramic foam filter of FIG. 1 in an exhaust gas purification apparatus;
FIG. 4 is a schematic view of a profiled ceramic foam filter having an arch comprising two adjacent arcuate surfaces and including transverse grooves;
FIG. 5 is a schematic structural view of a profiled ceramic foam filter having two arches, each arch including two adjacent arcuate faces and including transverse grooves;
FIG. 6 is a schematic view of a shaped ceramic foam filter having an arch comprising an arcuate surface and including transverse grooves;
FIG. 7 is a top view of an alternative arrangement of the profiled ceramic foam filter of FIG. 6 in an exhaust gas purification device;
wherein: an arch part 1; an arcuate surface 11; a longitudinal flow passage 12; a lateral groove 13; a longitudinal cambered groove 14; and a half cambered surface groove 15.
Detailed Description
The technical solution of the present invention will be further explained by the following embodiments with reference to fig. 1 to 7.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the directional terms such as "front, back, upper, lower, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be construed as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
A special-shaped foamed ceramic filter for filtering waste gas is characterized in that a plurality of special-shaped foamed ceramic filters are abutted front and back and are arranged in a filter cavity of waste gas purification equipment in a multi-layer mode, waste gas to be filtered passes through the filter cavity from top to bottom and is purified, and at least one side surface of each special-shaped foamed ceramic filter, which extends along the flow direction of the waste gas, is provided with an arch part 1;
the arch part 1 comprises at least one arc surface 11, the arc surface 11 protrudes towards the direction vertical to the flowing direction of the waste gas, the arc surface 11 is abutted against one side surface of the other special-shaped ceramic foam filter, and a longitudinal flow passage 12 is formed by a gap between the arc surface 11 and the abutted side surface of the other special-shaped ceramic foam filter.
As shown in fig. 1, 4-6, the irregular foamed ceramic filter for filtering exhaust gas of the present invention is provided with one or two arch portions 1, and the arch portions 1 include one or two arc surfaces 11; fig. 2 to 3 and 7 are plan views of the shaped ceramic foam filters for filtering exhaust gas arranged in one layer in a filter chamber of an exhaust gas purifying apparatus, and it can be seen from these figures that a plurality of longitudinal flow passages 12 are formed in front and rear of each shaped ceramic foam filter, and exhaust gas to be filtered can not only pass through the shaped ceramic foam filter of one layer and be filtered, but also can pass through the longitudinal flow passages 12 to be in contact with the shaped ceramic foam filter of the next layer, and the shaped ceramic foam filter of each layer can exert a filtering function through the longitudinal flow passages 12; after the special-shaped ceramic foam filter is used for a period of time, when the special-shaped ceramic foam filter close to the waste gas inlet is blocked due to the fact that impurities in waste gas are adsorbed too much, waste gas to be filtered can flow to the filtering layer of each special-shaped ceramic foam filter below through the longitudinal flow channel 12, and the phenomenon that waste gas purification equipment completely fails due to the fact that the special-shaped ceramic foam filter on the upper layer is blocked is avoided.
Further, the arch part 1 is also provided with a transverse groove 13;
the transverse groove 13 extends in a direction perpendicular to the longitudinal flow channels 12, the transverse groove 13 is located in the middle of the arch surface of the arch part 1 and is recessed into the arch part 1, and two ends of the transverse groove 13 are respectively communicated with the two longitudinal flow channels 12.
As shown in fig. 4 to 6, the longitudinal channels 12 are communicated through the transverse grooves 13, and when the lower end of one longitudinal channel 12 is blocked by a special-shaped ceramic foam filter, the longitudinal channel 12 can also be communicated with the other longitudinal channel 12 through the transverse grooves 13, so that the phenomenon that the purifying efficiency and the service life of the exhaust gas purifying device are reduced due to the fact that the longitudinal channels 12 are not communicated with each other continuously can be reduced.
In some embodiments, the arch 1 comprises two adjacent said arc faces 11;
a longitudinal cambered surface groove 14 is formed in a gap between two adjacent cambered surfaces 11, two half cambered surface grooves 15 are formed in two sides of the cambered surfaces 11 of the two adjacent cambered surfaces 11 and the side face of the special-shaped foamed ceramic filter, the longitudinal cambered surface groove 14 and the two half cambered surface grooves 15 respectively form three longitudinal flow channels 12, and the three longitudinal flow channels 12 are communicated with the transverse grooves 13.
As shown in fig. 4, the arch portion 1 is provided as two adjacent arc surfaces 11, and the transverse grooves 13 are formed in the middle of the arch portion 1, so that a net-shaped airflow channel composed of a plurality of longitudinal flow channels 12 and a plurality of transverse grooves 13 can be formed in a plurality of special-shaped ceramic foam filters which are arranged in a plurality of layers in a filter chamber of the exhaust gas purification device, thereby preventing the filter chamber of the exhaust gas purification device from being blocked and being incapable of filtering exhaust gas, and further prolonging the service life of the exhaust gas purification device.
In practical application, the arch part 1 can be provided with three or four adjacent arc surfaces 11 according to requirements.
In other embodiments, the profiled ceramic foam filter is provided with two arches 1;
the two arched parts 1 are respectively positioned on two back surfaces of the special-shaped foamed ceramic filter, and each arched part 1 comprises two adjacent arc-shaped surfaces 11.
As shown in fig. 5, the two opposite sides of the special-shaped ceramic foam filter are respectively provided with the arch parts 1 comprising two adjacent arc-shaped surfaces 11, so that the special-shaped ceramic foam filter is suitable for the exhaust gas purification equipment with longer exhaust gas filtering stroke, a plurality of filter layers are provided with more longitudinal flow channels 12, and the airflow channel consisting of the longitudinal flow channels 12 can have higher flow, so that the filter layers of each special-shaped ceramic foam filter can fully exert the filtering function, and further the corresponding exhaust gas purification equipment has more stable filtering effect and longer service life, thereby achieving the effect of saving the time and cost for equipment maintenance.
Preferably, the substrate of the profiled ceramic foam filter is a foam sponge body with a porous structure and a porosity of 75-85%.
The utility model discloses a heterotypic foamed ceramic filter adopts the cutting shaping of foam cavernosum, and the foam cavernosum flooding and adsorption have ceramic frit, then fire and form, and the porosity is up to 75-85%, and greasy dirt filters and impurity absorption's is effectual.
In summary, as shown in fig. 1-7 of the embodiments of the present invention, the side of the special-shaped ceramic foam filter for filtering exhaust gas is provided with the arch portion 1, and the multi-layer special-shaped ceramic foam filter contains a plurality of longitudinal flow channels 12, so as to avoid the phenomenon that the exhaust gas purifying device completely fails due to the blockage of the special-shaped ceramic foam filter near the exhaust gas inlet, and thus, the embodiment of the present invention has the advantages of more stable filtering effect and longer service life, and can save the time and cost for maintaining the device.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (5)
1. A heterotypic foamed ceramic filter used for filtering the waste gas, multiple heterotypic foamed ceramic filters are offset and arranged in the filter chamber of the exhaust gas purifying device in multiple layers from front to back, the waste gas to be filtered passes the filter chamber and is purified from top to bottom, characterized by that, at least one side surface extending along the flow direction of waste gas of the said heterotypic foamed ceramic filter has arch parts;
the arched part comprises at least one arc-shaped surface, the arc-shaped surface protrudes towards the direction vertical to the flowing direction of the waste gas, the arc-shaped surface is abutted against one side surface of the other special-shaped ceramic foam filter, and a gap between the arc-shaped surface and the abutted side surface of the other special-shaped ceramic foam filter forms a longitudinal flow passage.
2. The contoured ceramic foam filter for filtering exhaust gases of claim 1 wherein said arch is further provided with transverse grooves;
the transverse grooves extend in the direction perpendicular to the longitudinal flow channels, are located in the middle of the arch surface of the arch portion and are recessed towards the arch portion, and two ends of each transverse groove are communicated with the two longitudinal flow channels respectively.
3. The contoured ceramic foam filter for filtering exhaust gases of claim 2 wherein said arch includes two adjacent said arcuate faces;
the gap between two adjacent arc-shaped surfaces forms a longitudinal arc-shaped surface groove, two sides of the arc-shaped surfaces of the two adjacent arc-shaped surfaces respectively form two half arc-shaped surface grooves with the side surface of the special-shaped foamed ceramic filter, the longitudinal arc-shaped surface groove and the two half arc-shaped surface grooves respectively form three longitudinal flow passages, and the three longitudinal flow passages are communicated with the transverse grooves.
4. The contoured ceramic foam filter for filtering exhaust gases of claim 2 wherein said contoured ceramic foam filter is provided with two of said arches;
the two arched parts are respectively positioned on two back surfaces of the special-shaped foamed ceramic filter, and each arched part comprises two adjacent arc-shaped surfaces.
5. The ceramic foam filter for filtering exhaust gas as claimed in claim 1, wherein the substrate of the ceramic foam filter is a foam sponge body having a porous structure and a porosity of 75-85%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222993234.3U CN218475036U (en) | 2022-11-10 | 2022-11-10 | Special-shaped foamed ceramic filter for filtering waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222993234.3U CN218475036U (en) | 2022-11-10 | 2022-11-10 | Special-shaped foamed ceramic filter for filtering waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218475036U true CN218475036U (en) | 2023-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222993234.3U Active CN218475036U (en) | 2022-11-10 | 2022-11-10 | Special-shaped foamed ceramic filter for filtering waste gas |
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| CN (1) | CN218475036U (en) |
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- 2022-11-10 CN CN202222993234.3U patent/CN218475036U/en active Active
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