CN219559084U - Long-acting dry filter - Google Patents
Long-acting dry filter Download PDFInfo
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- CN219559084U CN219559084U CN202320195591.7U CN202320195591U CN219559084U CN 219559084 U CN219559084 U CN 219559084U CN 202320195591 U CN202320195591 U CN 202320195591U CN 219559084 U CN219559084 U CN 219559084U
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Abstract
The utility model discloses a long-acting dry filter, which comprises a rectangular shell, an active carbon filter assembly and a primary filter assembly, wherein the rectangular shell is provided with a first-acting filter; the activated carbon filter assembly comprises a first shell and an activated carbon filter element; the activated carbon filter element is connected to the inside of the first shell, the first shell is communicated with the rectangular shell, and the gas passing through the first shell is filtered through the activated carbon filter element; the primary filter assembly comprises a second shell, a primary filter cotton belt, a first roller, a second roller and a motor; the second shell is communicated with the rectangular shell, and two opposite side walls of the second shell are respectively provided with a storage cavity and a recovery cavity; the first roller is rotationally connected in the storage cavity, the second roller is rotationally connected in the recovery cavity, the primary filter cotton belt is wound on the first roller, and the tail end of the primary filter cotton belt transversely penetrates through the inner cavity of the second shell and is wound on the second roller. The utility model maintains the filtering effect of the active carbon filtering component and prolongs the service life of the whole dry filter.
Description
Technical Field
The utility model relates to the field of filtering equipment, in particular to a long-acting dry filter.
Background
Dry filters are widely used as common filtering equipment in various industries, such as chemical plants, steel plants, pharmaceutical plants, coking plants, oil refineries, and the like. The waste gas generated in the production process can seriously pollute the environment and influence the health of human bodies, and the dry type filtering can intercept a plurality of harmful substances in the waste gas to reach the emission standard. Such as sulfur dioxide, hydrogen sulfide, nitrogen oxides, hydrocarbon dust particles, etc. The filter element of the dry filter is divided into a plurality of types, wherein the activated carbon filter element is most common, and the filter has low cost and good effect. However, the active carbon filter element has the following defects: the gaps of the activated carbon are easily blocked by sticky substances such as dust in the waste gas, so that the adsorption efficiency is reduced, and the filtration failure can be caused by long-time replacement. Therefore, the existing active carbon dry filter filters the waste gas containing the viscous substances, and has the problems of short service life and improved filtering effect.
Disclosure of Invention
Aiming at the defects in the prior art, the filtering effect is maintained, and the service life is prolonged. The utility model provides a long-acting dry filter, which comprises a rectangular shell, an active carbon filter assembly and a primary filter assembly, wherein the rectangular shell is provided with a first-acting filter; the activated carbon filter assembly comprises a first shell and an activated carbon filter element; the activated carbon filter element is connected to the inside of the first shell, the first shell is communicated with the rectangular shell, and the gas passing through the first shell is filtered through the activated carbon filter element; the primary filter assembly comprises a second shell, a primary filter cotton belt, a first roller, a second roller and a motor; the second shell is communicated with the rectangular shell, and two opposite side walls of the second shell are respectively provided with a storage cavity and a recovery cavity; the first roller is rotationally connected in the storage cavity, the second roller is rotationally connected in the recovery cavity, the primary filter cotton belt is wound on the first roller, the tail end of the primary filter cotton belt transversely passes through the inner cavity of the second shell and is wound on the second roller, and gas passing through the second shell is filtered through the primary filter cotton belt; the motor is arranged in the recycling cavity, and an output shaft of the motor is in transmission connection with the second roller.
The utility model has the beneficial effects that:
1. the primary filter component is close to the air inlet end of the rectangular shell, the active carbon filter component is located at the air outlet end of the rectangular shell, and waste gas passes through the primary filter cotton belt and then passes through the active carbon filter core. The primary filter cotton belt intercepts viscous substances which are easy to block the active carbon filter element, thereby being beneficial to maintaining the filtering effect of the active carbon filter element.
2. As the sticky substances are continuously accumulated on the side surface of the primary filter cotton belt, the filter effect of the primary filter cotton belt is weakened and the wind resistance is increased along with the increasing accumulated quantity. At this time, the motor drives the second roller, and the second roller pulls the primary filter cotton tape and winds the primary filter cotton tape with weakened filtering effect on the second roller, and the new primary filter cotton tape is replaced in the second shell, so that the filtering effect is maintained. Because the first roller has stored the preliminary filtration cotton belt of certain length, can realize periodic automatic change through the motor to the life of whole dry filter has been prolonged.
Preferably, both ends of the first housing and both ends of the second housing are respectively provided with step surfaces adapted to the steps of the rectangular housing. The first shell and the rectangular shell and the second shell and the rectangular shell are detachably connected through bolts respectively. The first shell, the second shell and the rectangular shell are respectively used for the lug plates connected through bolts. The first shell and the second shell are connected and positioned with the rectangular shell through butt joint of the steps and the step surfaces, and then the two corresponding lug plates are connected through bolts, so that the difficulty of the whole disassembly and assembly process is low, and later replacement of filter materials is facilitated.
Preferably, an annular limit ring for clamping the active carbon filter element is arranged in the first shell. The two annular limiting rings are arranged at the two ends of the active carbon filter element, so that the axial dislocation of the active carbon filter element is avoided.
Preferably, a guide roller is arranged in the second shell, the primary filter cotton belt bypasses the guide roller, a plurality of guide rollers are arranged, and the first roller, the second roller and all the guide rollers are parallel. Every two adjacent guide rollers are distributed in a staggered manner, and the primary filter cotton belt sequentially bypasses each guide roller, so that the cross section of the primary filter cotton belt positioned in the second housing is a wavy line. The guide roller has two functions, namely, the primary filter cotton belt in the second shell is tensioned, the filter area of the primary filter cotton belt in the second shell is increased, and the filter efficiency is improved.
One end of the second roller and an output shaft of the motor are respectively provided with a synchronous wheel, and the two synchronous wheels are in transmission connection through a synchronous belt. And a synchronous belt transmission assembly is adopted, so that the influence of slipping on the replacement of the primary filter cotton belt is avoided.
Preferably, two ends of the rectangular shell are respectively provided with a conical connecting pipe. The conical connecting pipe is convenient to connect with an external filtering pipeline.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram showing the connection of a rectangular housing, an activated carbon filter assembly and a primary filter assembly in this embodiment;
FIG. 2 is a perspective view of FIG. 1;
fig. 3 is a schematic view of the internal structure of fig. 1 with the addition of a tapered connection tube and an ear plate.
In the drawing, a rectangular shell 1, an active carbon filter assembly 2, a primary filter assembly 3, a conical connecting pipe 4, a first shell 5, an active carbon filter element 6, an annular limiting ring 7, a second shell 8, a primary filter cotton belt 9, a first roller 10, a second roller 11, a motor 12, a storage cavity 13, a recovery cavity 14, a guide roller 15, a synchronous wheel 16, a synchronous belt 17 and an ear plate 18.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.
As shown in fig. 1 and 3, the present embodiment provides a long-acting dry filter, which comprises a rectangular housing 1, an activated carbon filter assembly 2 and a primary filter assembly 3. Wherein two ends of the rectangular shell 1 are respectively provided with a conical connecting pipe 4. The conical connecting pipe 4 is convenient to connect with an external filtering pipeline. In this embodiment, the activated carbon filter assembly 2 and the primary filter assembly 3 are detachably connected with the rectangular housing 1, and the service life of the whole dry filter can be prolonged by replacing the filter material, and the use cost can be reduced.
The specific structure of the activated carbon filter assembly 2 is as follows:
as shown in fig. 2 and 3, the activated carbon filter assembly 2 includes a first housing 5 and an activated carbon filter cartridge 6, the activated carbon filter cartridge 6 is connected to the inside of the first housing 5, and the first housing 5 is communicated with the rectangular housing 1, and the gas passing through the first housing 5 is filtered by the activated carbon filter cartridge 6. Further, an annular limit ring 7 for clamping the activated carbon filter element 6 is arranged in the first shell 5. The two annular limiting rings 7 are arranged, the two annular limiting rings 7 are positioned at two ends of the activated carbon filter element 6, and axial dislocation of the activated carbon filter element 6 is avoided.
The specific structure of the primary filter assembly 3 is as follows:
as shown in fig. 2 and 3, the primary filter assembly 3 comprises a second shell 8, a primary filter cotton belt 9, a first roller 10, a second roller 11 and a motor 12, wherein the second shell 8 is communicated with the rectangular shell 1, and two opposite side walls of the second shell 8 are respectively provided with a storage cavity 13 and a recovery cavity 14. The first roller 10 is rotatably connected in the storage cavity 13, the second roller 11 is rotatably connected in the recovery cavity 14, the primary filter cotton tape 9 is wound on the first roller 10, the tail end of the primary filter cotton tape 9 transversely passes through the inner cavity of the second shell 8 and is wound on the second roller 11, and the gas passing through the second shell 8 is filtered through the primary filter cotton tape 9. In addition, the second housing 8 is internally provided with guide rollers 15, the primary filter cotton tape 9 bypasses the guide rollers 15, and nineteen guide rollers 15 are provided, and the first roller 10, the second roller 11 and all the guide rollers 15 are parallel. Every two adjacent guide rollers 15 are staggered, and the primary filter cotton strips 9 sequentially bypass each guide roller 15, so that the cross section shape of the primary filter cotton strips 9 in the second housing 8 is a wavy line. The guiding roller 15 has two functions, namely, tensioning the primary filter cotton belt 9 in the second housing 8, increasing the filtering area of the primary filter cotton belt 9 in the second housing 8 and improving the filtering efficiency
In this embodiment, the primary filter element 3 is close to the air inlet end of the rectangular housing 1, the activated carbon filter element 2 is located at the air outlet end of the rectangular housing 1, and the waste gas passes through the primary filter cotton belt 9 and then passes through the activated carbon filter element 6. The primary filter cotton belt 9 intercepts viscous substances which are easy to block the activated carbon filter element 6, thereby being beneficial to maintaining the filtering effect of the activated carbon filter element 6.
As shown in fig. 3, in order to realize automatic replacement of the primary filter cotton belt 9, the motor 12 of this embodiment is installed in the recovery chamber 14, and the output shaft of the motor 12 is in transmission connection with the second roller 11. One end of the second roller 11 and the output shaft of the motor 12 are respectively provided with a synchronizing wheel 16, and the two synchronizing wheels 16 are in transmission connection through a synchronizing belt 17. The synchronous belt 17 drives the assembly, so that the slipping is avoided to influence the replacement of the primary filter cotton belt 9. The motor 12 drives the second roller 11, the second roller 11 pulls the primary filter cotton tape 9 and winds the primary filter cotton tape 9 with reduced filter effect on the second roller 11, and the new primary filter cotton tape 9 is replaced in the second shell 8, so that the filter effect is maintained. Since the first roller 10 stores a length of the primary filter cotton strip 9, periodic automatic replacement can be achieved by the motor 12, thereby prolonging the service life of the whole dry filter.
The specific detachable connection mode between the activated carbon filter assembly 2 and the primary filter assembly 3 and the rectangular shell 1 is as follows:
as shown in fig. 3, both ends of the first housing 5 and both ends of the second housing 8 are respectively provided with step surfaces adapted to the steps of the rectangular housing 1. The first shell 5 and the rectangular shell 1 and the second shell 8 and the rectangular shell 1 are detachably connected through bolts respectively. The first housing 5, the second housing 8 and the rectangular housing 1 are each provided for a bolted lug 18. The first shell 5 and the second shell 8 are connected and positioned with the rectangular shell 1 through butt joint of steps and step surfaces, and then the two corresponding lug plates 18 are connected through bolts, so that the difficulty in the whole disassembly and assembly process is low, and later replacement of filter materials is facilitated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (10)
1. A long-acting dry filter, characterized in that: comprises a rectangular shell, an active carbon filter assembly and a primary filter assembly; the activated carbon filter assembly comprises a first shell and an activated carbon filter element; the activated carbon filter element is connected to the inside of the first shell, the first shell is communicated with the rectangular shell, and the gas passing through the first shell is filtered through the activated carbon filter element;
the primary filter assembly comprises a second shell, a primary filter cotton belt, a first roller, a second roller and a motor; the second shell is communicated with the rectangular shell, and two opposite side walls of the second shell are respectively provided with a storage cavity and a recovery cavity; the first roller is rotationally connected in the storage cavity, the second roller is rotationally connected in the recovery cavity, the primary filter cotton belt is wound on the first roller, the tail end of the primary filter cotton belt transversely passes through the inner cavity of the second shell and is wound on the second roller, and gas passing through the second shell is filtered through the primary filter cotton belt; the motor is arranged in the recycling cavity, and an output shaft of the motor is in transmission connection with the second roller.
2. A long acting dry filter as claimed in claim 1 wherein: the first shell and the rectangular shell and the second shell and the rectangular shell are detachably connected through bolts respectively.
3. A long acting dry filter as claimed in claim 2 wherein: the first shell, the second shell and the rectangular shell are respectively used for the lug plates connected through bolts.
4. A long acting dry filter as claimed in claim 2 wherein: the two ends of the first shell and the two ends of the second shell are respectively provided with a step surface which is matched with the steps of the rectangular shell.
5. A long acting dry filter as claimed in claim 1 wherein: an annular limiting ring for clamping the active carbon filter element is arranged in the first shell.
6. A long acting dry filter as claimed in claim 1 wherein: the inside of second shell is equipped with the guide roll, just, imitate the filtration cotton tape and walk around the guide roll.
7. A long acting dry filter as defined in claim 6 wherein: the guide rollers are arranged in a plurality, every two adjacent guide rollers are distributed in a staggered mode, and the primary filter cotton belt sequentially bypasses each guide roller, so that the cross section of the primary filter cotton belt positioned in the second housing is a wavy line.
8. A long acting dry filter as defined in claim 6 wherein: the first roller, the second roller and all the guide rollers are parallel.
9. A long acting dry filter as claimed in claim 1 wherein: one end of the second roller and an output shaft of the motor are respectively provided with a synchronous wheel, and the two synchronous wheels are in transmission connection through a synchronous belt.
10. A long acting dry filter as claimed in claim 1 wherein: two ends of the rectangular shell are respectively provided with a conical connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320195591.7U CN219559084U (en) | 2023-02-13 | 2023-02-13 | Long-acting dry filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320195591.7U CN219559084U (en) | 2023-02-13 | 2023-02-13 | Long-acting dry filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219559084U true CN219559084U (en) | 2023-08-22 |
Family
ID=87663418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320195591.7U Active CN219559084U (en) | 2023-02-13 | 2023-02-13 | Long-acting dry filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219559084U (en) |
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2023
- 2023-02-13 CN CN202320195591.7U patent/CN219559084U/en active Active
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