CN220404972U - Novel online cleaning type duplex filter - Google Patents
Novel online cleaning type duplex filter Download PDFInfo
- Publication number
- CN220404972U CN220404972U CN202321800761.6U CN202321800761U CN220404972U CN 220404972 U CN220404972 U CN 220404972U CN 202321800761 U CN202321800761 U CN 202321800761U CN 220404972 U CN220404972 U CN 220404972U
- Authority
- CN
- China
- Prior art keywords
- tank body
- filter
- sleeve shaft
- online cleaning
- scraping
- 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.)
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Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 30
- 238000007790 scraping Methods 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000010865 sewage Substances 0.000 claims abstract description 11
- 238000010926 purge Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model belongs to the technical field of filtration, and discloses a novel online cleaning duplex filter, which consists of two filters connected in parallel, wherein the filter comprises a tank body and a filter unit arranged in the tank body; the filtering unit is reversely buckled in the tank body, and the top of the filtering unit is pressed by an elastic pressing plate in a pressing cover of the tank body; the bottom of the tank body is provided with a drain box connected with a drain pipe, the liquid inlet pipe penetrates through the drain box to the inside of the filtering unit, and the liquid outlet is arranged on the side wall of the top of the tank body; the filter unit is internally provided with a wall scraping assembly, a sleeve shaft of the wall scraping assembly is rotationally connected with the liquid inlet pipe, the end part of the sleeve shaft penetrates through the sewage draining box and is rotationally connected with the sewage draining box through a bearing, and sealing rings are arranged between the sleeve shaft and the sewage draining box as well as between the sleeve shaft and the liquid inlet pipe; a drive device is also included for driving the quill in rotation. According to the utility model, the filter material on the surface of the filter bag is scraped by the scraping wall component, and the scraped filter material is discharged by the blow-down pipe, so that the filter bag is cleaned, and the cleaning effect of the filter is improved.
Description
Technical Field
The utility model relates to the technical field of filtration, in particular to a novel online cleaning duplex filter.
Background
The duplex filter is also called a duplex switching filter. The multipurpose filtering device is formed by connecting two stainless steel filters in parallel, has the advantages of novel and reasonable structure, good sealing performance, strong circulation capacity, simplicity and convenience in operation and the like, is wide in application range and strong in adaptability, and is commonly used for the scenes of filtering impurities in water, filtering extracting solutions and the like.
After the existing duplex filter works for a period of time, cleaning operation is needed, and a gland is required to be opened and a filter bag is required to be replaced when a common duplex filter is cleaned; while some duplex filters with cleaning ports arranged on the shell can realize online cleaning, water overflow cleaning is adopted, and the cleaning mode can not effectively remove the filter materials adhered on the filter bag, so that the filtering effect is poor even after cleaning; and the filtered liquid filtered by the existing duplex filter is arranged between the shell and the filter bag, so that the filtered material on the filter bag is difficult to clean.
Based on the structure, the utility model provides the duplex filter which has reasonable structural design and can realize on-line cleaning for scraping the filter materials on the filter bag.
Disclosure of Invention
The utility model aims to solve the technical problems existing in the prior art. Therefore, the utility model provides the duplex filter which has reasonable structural design and can realize on-line cleaning for scraping the filter materials on the filter bag.
The technical scheme adopted for solving the technical problems is as follows:
the novel online cleaning duplex filter comprises two filters which are connected in parallel, wherein the filter comprises a tank body and a filter unit arranged in the tank body; the filtering unit is reversely buckled in the tank body, and the top of the filtering unit is pressed by an elastic pressing plate in a pressing cover of the tank body; the bottom of the tank body is provided with a drain box connected with a drain pipe, the liquid inlet pipe penetrates through the drain box to the inside of the filtering unit, and the liquid outlet is formed in the side wall of the top of the tank body; the filter unit is internally provided with a wall scraping assembly, a sleeve shaft of the wall scraping assembly is rotationally connected with the liquid inlet pipe, the end part of the sleeve shaft penetrates through the sewage draining box and is rotationally connected with the sewage draining box through a bearing, and sealing rings are arranged between the sleeve shaft and the sewage draining box as well as between the sleeve shaft and the liquid inlet pipe; and a driving device for driving the sleeve shaft to rotate.
In a preferred embodiment of the present utility model, the filtering unit includes a filter cartridge inversely fastened to the flange inside the tank, a filter bag inside the filter cartridge, and a pressing ring for pressing the filter bag to the mouth of the filter cartridge.
In a preferred embodiment of the utility model, the outer edge of the pressure ring is provided with a side plate, and the outer diameter of the side plate is 5-15 mm smaller than the inner diameter of the flange.
In a preferred embodiment of the utility model, the surface of the flange is provided with a sealing gasket, and the lower surface of the flange of the filter cartridge mouth is sealed with the flange through the sealing gasket.
In a preferred embodiment of the utility model, the scraper assembly comprises a scraper, a bracket and a sleeve shaft, wherein the scraper is fixedly connected with the top of the sleeve shaft through the bracket.
In a preferred embodiment of the present utility model, the scraping plate comprises a scraping groove with a C-shaped cross section and a rubber plate arranged on one side of the inclined surface of the scraping groove.
In a preferred embodiment of the present utility model, the driving device is a gear motor, and an output shaft of the gear motor is in meshed transmission with the sleeve shaft through a gear.
In a preferred embodiment of the utility model, the bottom outer wall of the quill is further provided with a drain screw.
In a preferred embodiment of the present utility model, a purge tube is further connected to the liquid inlet tube, and the purge tube is connected to a high-pressure air source.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the filter unit is reversely buckled and arranged in the tank body, the liquid inlet pipe stretches into the filter unit, so that filtered matters are trapped in the filter unit, the wall scraping assembly driven by the driving device is arranged in the filter unit, the filtered matters on the surface of the filter bag are scraped by the wall scraping assembly, the scraped filtered matters are discharged by the drain pipe, the filter bag is cleaned, and the cleaning effect of the filter is improved.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram of a novel online cleaning duplex filter provided by the utility model;
FIG. 2 is an enlarged view of a portion of the portion provided at H in FIG. 1;
FIG. 3 is a top view of the wall scraping assembly provided in FIG. 1;
fig. 4 is a partial enlarged view at I provided in fig. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1 and fig. 4, this embodiment provides a novel online cleaning duplex filter, which is composed of two filters connected in parallel, the filter includes a tank body 1 and a filter unit 2 arranged in the tank body, the filter unit 2 is reversely buckled in the tank body 1, the top of the filter unit is tightly pressed by an elastic pressing plate 4 in a pressing cover 3 of the tank body, the pressing cover is connected with the tank body through a plurality of eye bolts, and a spring is arranged between the elastic pressing plate and an inner cavity of the pressing cover. The bottom of the tank body 1 is provided with a drain box 5 connected with a drain pipe 6, a liquid inlet pipe 7 penetrates through the drain box 5 to the inside of the filter unit 2, a liquid outlet 1.0 is formed in the side wall of the top of the tank body 1, and the design enables a filter material to be in the filter unit, so that conditions are created for scraping the filter material on the filter unit. For this reason, in this embodiment, the wall scraping assembly 8 is disposed in the filtering unit 2, the sleeve shaft 8.1 of the wall scraping assembly 8 is rotationally connected with the liquid inlet pipe 7, the end portion of the sleeve shaft 8 is penetrated through the drain box 5 and rotationally connected with the drain box 5 through a bearing, so that the wall scraping assembly is supported by the drain box, sealing rings are disposed between the sleeve shaft 8.1 and the drain box 5 and between the sleeve shaft 8.1 and the liquid inlet pipe 7, and a rotating sealing effect is achieved. According to the embodiment, the filter unit is reversely buckled and arranged in the tank body, the liquid inlet pipe stretches into the filter unit, so that filter materials are trapped in the filter unit, the wall scraping assembly driven by the driving device is arranged in the filter unit, the filter materials on the surface of the filter bag are scraped by the wall scraping assembly, the scraped filter materials are discharged by the drain pipe, the filter bag is cleaned, and the cleaning effect of the filter is improved.
Preferably, as shown in fig. 1 and fig. 2, the filter unit 2 comprises a filter cartridge 2.1 reversely buckled on a flange 1.1 in the tank body, a filter bag 2.2 arranged in the filter cartridge and a compression ring 2.3 for compressing the filter bag at the mouth of the filter cartridge, wherein the filter bag is fixed at the mouth of the filter cartridge through the compression ring; the surface of the flange 1.1 is provided with a sealing gasket, the lower surface of the flange of the filter cartridge opening is contacted with the flange, and the sealing gasket is pressed by the pressing cover to realize the sealing between the lower surface of the flange of the filter cartridge opening and the flange.
Further, as shown in fig. 2, a side plate 2.3.1 is arranged at the outer edge of the pressure ring 2.3, and the outer diameter of the side plate 2.3.1 is 5-15 mm smaller than the inner diameter of the flange 1.1. The design can play a role in positioning and mounting the filter unit, and the side plates are inserted into the inner rings of the flange flanges to play a role in positioning.
Preferably, as shown in fig. 1 and fig. 3, the wall scraping assembly 8 includes scraping plates 8.2, a support frame 8.3 and a sleeve shaft 8.1, wherein the scraping plates 8.2 are fixedly connected with the top of the sleeve shaft 8.1 through the support frame 8.3, and the number of the scraping plates can be 1-4, and in this embodiment, 2 scraping plates are arranged.
Example two
On the basis of the first embodiment, as shown in fig. 3, the scraping plate 8.2 of the present embodiment includes a scraping groove 8.2.1 with a C-shaped cross section and a rubber plate 8.2.2 disposed on one side of the inclined surface of the scraping groove. The scraper designed in the embodiment can limit most of scraped filter materials in the scraping groove and fall to the bottom of the tank body along the scraping groove.
Example III
On the basis of the first embodiment or the second embodiment, as shown in fig. 4, in this embodiment, a drain screw 8.1.1 is further arranged on the bottom outer wall of the sleeve shaft 8.1, and the sleeve shaft rotates while the drain screw can transfer the filtered material into the filter box.
Example IV
On the basis of any of the above embodiments, as shown in fig. 1, in this embodiment, a purge pipe 10 is further connected to the liquid inlet pipe 7, where the purge pipe 10 is connected to a high-pressure air source, and the high-pressure air source can be used to pressurize the tank body, so that the sewage is discharged more thoroughly. During the concrete implementation, some water can also be added into the tank body through the purging pipe, so that the cleaning effect is achieved.
Noteworthy are: the liquid inlet pipe, the liquid outlet pipe connected with the liquid outlet, the blow-down pipe and the purging pipe are all provided with valves.
When in online cleaning, valves on the liquid inlet pipe and the liquid outlet pipe are closed, a speed reducing motor is started to drive the wall scraping assembly to rotate, the scraping of the filtered matters on the surface of the filter bag is completed, then the valves on the drain pipe are opened, and the filtered liquid is discharged along with the operation of the wall scraping assembly;
when necessary, part of water can be pumped into the purging pipe to finish cleaning the residual filtrate in the tank body;
finally, air can be introduced through the purging pipe to drain the water in the liquid inlet pipe and the tank body.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.
Claims (9)
1. The novel online cleaning duplex filter consists of two filters which are connected in parallel, wherein the filter comprises a tank body and a filter unit arranged in the tank body; the method is characterized in that:
the filtering unit is reversely buckled in the tank body, and the top of the filtering unit is pressed by an elastic pressing plate in a pressing cover of the tank body;
the bottom of the tank body is provided with a drain box connected with a drain pipe, the liquid inlet pipe penetrates through the drain box to the inside of the filtering unit, and the liquid outlet is formed in the side wall of the top of the tank body;
the filter unit is internally provided with a wall scraping assembly, a sleeve shaft of the wall scraping assembly is rotationally connected with the liquid inlet pipe, the end part of the sleeve shaft penetrates through the sewage draining box and is rotationally connected with the sewage draining box through a bearing, and sealing rings are arranged between the sleeve shaft and the sewage draining box as well as between the sleeve shaft and the liquid inlet pipe;
and a driving device for driving the sleeve shaft to rotate.
2. The novel online cleaning duplex filter according to claim 1, wherein: the filtering unit comprises a filtering cylinder reversely buckled on the flange in the tank body, a filtering bag arranged in the filtering cylinder and a compression ring for compressing the filtering bag at the opening part of the filtering cylinder.
3. The novel online cleaning duplex filter according to claim 2, wherein: the outer edge of the compression ring is provided with a side plate, and the outer diameter of the side plate is 5-15 mm smaller than the inner diameter of the flange.
4. The novel online cleaning duplex filter according to claim 2, wherein: the surface of the flange is provided with a sealing gasket, and the lower surface of the flange of the filter cylinder opening is sealed with the flange through the sealing gasket.
5. The novel online cleaning duplex filter according to claim 1, wherein: the scraping wall assembly comprises a scraping plate, a bracket and a sleeve shaft, wherein the scraping plate is fixedly connected with the top of the sleeve shaft through the bracket.
6. The novel online cleaning duplex filter according to claim 5, wherein: the scraping plate comprises a scraping groove with a C-shaped cross section and a rubber plate arranged on one side of the inclined plane of the scraping groove.
7. The novel online cleaning duplex filter according to claim 1, wherein: the driving device is a speed reducing motor, and an output shaft of the speed reducing motor is in meshed transmission with the sleeve shaft through a gear.
8. The novel online cleaning duplex filter according to claim 1, wherein: the outer wall of the bottom of the sleeve shaft is also provided with a sewage discharging spiral.
9. The novel online cleaning duplex filter according to any one of claims 1 to 8, wherein: the liquid inlet pipe is also connected with a purging pipe, and the purging pipe is connected with a high-pressure air source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321800761.6U CN220404972U (en) | 2023-07-10 | 2023-07-10 | Novel online cleaning type duplex filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321800761.6U CN220404972U (en) | 2023-07-10 | 2023-07-10 | Novel online cleaning type duplex filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220404972U true CN220404972U (en) | 2024-01-30 |
Family
ID=89643832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321800761.6U Active CN220404972U (en) | 2023-07-10 | 2023-07-10 | Novel online cleaning type duplex filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220404972U (en) |
-
2023
- 2023-07-10 CN CN202321800761.6U patent/CN220404972U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |