CN218901237U - Filter device and blower system - Google Patents
Filter device and blower system Download PDFInfo
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- CN218901237U CN218901237U CN202223366691.6U CN202223366691U CN218901237U CN 218901237 U CN218901237 U CN 218901237U CN 202223366691 U CN202223366691 U CN 202223366691U CN 218901237 U CN218901237 U CN 218901237U
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- air inlet
- inlet
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Abstract
The utility model relates to the technical field of filtration, in particular to a filtering device which comprises a shell body, a rough filtration and filtration assembly and a fine filtration and filtration assembly, wherein a first air inlet, a second air inlet and an air outlet are formed in the shell body, the first air inlet can be communicated with a pipeline, the second air inlet can be communicated with the atmosphere, and the air outlet is communicated with an air inlet of a blower. The coarse filtration filter component is paved at the second air inlet, the fine filtration filter component is paved in the shell body, the first air inlet and the second air inlet are positioned at one side of the fine filtration filter component, and the air outlet is positioned at the other side of the fine filtration filter component. That is, the filter device is communicated with the pipeline and the atmosphere, and the proper flow ratio can be realized by adjusting the set sizes of the first air inlet and the second air inlet, so that the filter device can avoid the negative pressure operation of the blower, and the blower can be prevented from being damaged. The utility model also provides a blower system which comprises a blower and the filtering device.
Description
Technical Field
The utility model relates to the technical field of filtration, in particular to a filtering device and a blower system.
Background
In order to protect the blower, a filtering device is arranged at the air inlet end of the blower so as to filter air, the existing filtering device is divided into a direct air inlet filtering type and a pipeline air inlet filtering type, air of the direct air inlet filtering type filtering device is from the atmosphere, and the pipeline air inlet filtering type filtering device is communicated with a pipeline, namely, only one air inlet filtering mode can be fixed. The prior pipeline inlet air filtering type filtering device has the following problems: when the pipe network pressure can not meet the air inlet requirement of the air blower, the air blower can be caused to run under negative pressure, the air blower is easy to damage, and unnecessary loss is caused.
Therefore, a filter device and a blower system are needed to solve the above problems.
Disclosure of Invention
One object of the present utility model is to: provided is a filter device capable of preventing a blower from being damaged by negative pressure operation.
To achieve the purpose, the utility model adopts the following technical scheme:
there is provided a filtering device comprising:
the shell comprises a shell body, wherein a first air inlet, a second air inlet and an air outlet are formed in the shell body, the first air inlet can be communicated with a pipeline, the second air inlet can be communicated with the atmosphere, and the air outlet is communicated with an air inlet of a blower;
a coarse filtration assembly, the coarse filtration assembly being laid at the second air inlet;
the fine filtration filter assembly is paved in the shell body, the first air inlet and the second air inlet are positioned on one side of the fine filtration filter assembly, and the air outlet is positioned on the other side of the fine filtration filter assembly.
As a preferred embodiment of the filter device, the coarse filter assembly includes a support member hinged to the housing body such that the support member has a closed state covering the second air inlet, and a coarse filter member laid on the support member.
As a preferred scheme of filter equipment, straining filter assembly still includes the shrouding, support piece's relative both sides limit department is provided with the slide, the relative both sides limit of shrouding is respectively slidable to be inserted and is established two in the slide, so that the shrouding can be adjusted the area of admitting air of second air inlet.
As a preferred scheme of the filtering device, the filtering device further comprises a positioning piece, a plurality of positioning holes are formed in the side wall of the slideway, a strip-shaped groove is formed in the sealing plate, and the positioning piece can penetrate through any positioning hole to be clamped in the strip-shaped groove.
As a preferred embodiment of the filtering device, the filtering device further comprises an air inlet valve, wherein the air inlet valve is arranged at the first air inlet or the air inlet valve is arranged on the pipeline.
As a preferred embodiment of the filter device, the fine filter assembly comprises a support orifice plate and a fine filter element, the support orifice plate being arranged in the housing body, the fine filter element being laid on the support orifice plate.
As a preferred scheme of filter equipment, still include the assembly plate, still offer the mounting hole on the shell body, the mounting hole is close to the setting of fine filtration filter component, the assembly plate can dismantle the setting is in mounting hole department, in order to seal the mounting hole.
As a preferable scheme of the filtering device, the filtering device further comprises an air inlet flange and an air outlet flange, wherein the air inlet flange is arranged at the first air inlet, and the air outlet flange is arranged at the air outlet.
As a preferable scheme of the filtering device, the filtering device further comprises two sealing rings, one sealing ring is arranged at the air inlet flange so that the first air inlet is communicated with the pipeline in a sealing way, and the other sealing ring is arranged at the air outlet flange so that the air outlet is communicated with the air inlet of the blower in a sealing way.
Another object of the utility model is: provided is a blower system capable of preventing a blower from being damaged by negative pressure operation.
To achieve the purpose, the utility model adopts the following technical scheme:
there is provided a blower system comprising a blower and the above-described filter device.
The utility model has the beneficial effects that:
the utility model provides a filtering device which comprises a shell body, a coarse filtering component and a fine filtering component, wherein a first air inlet, a second air inlet and an air outlet are formed in the shell body, the first air inlet can be communicated with a pipeline, the second air inlet can be communicated with the atmosphere, and the air outlet is communicated with an air inlet of a blower. The coarse filtration filter component is paved at the second air inlet, the fine filtration filter component is paved in the shell body, the first air inlet and the second air inlet are positioned at one side of the fine filtration filter component, and the air outlet is positioned at the other side of the fine filtration filter component. That is, the filter device is communicated with the pipeline and the atmosphere, and the proper flow ratio can be realized by adjusting the set sizes of the first air inlet and the second air inlet, so that the filter device can avoid the negative pressure operation of the blower, and the blower can be prevented from being damaged.
The utility model provides a blower system, which comprises a blower and the filtering device, and can prevent the blower from being damaged due to negative pressure operation.
Drawings
FIG. 1 is a schematic view of a first view of a filtering device according to an embodiment of the present utility model;
FIG. 2 is a front view of a filter device provided by an embodiment of the present utility model;
FIG. 3 is a left side view of a filter device provided by an embodiment of the present utility model;
fig. 4 is a right side view of a filter device provided by an embodiment of the present utility model.
In the figure:
1. a housing body; 101. a first air inlet; 102. a second air inlet; 103. an air outlet;
2. a coarse filtration assembly; 21. a support; 22. a sealing plate; 23. coarse filtration filter;
3. a fine filtration assembly; 31. a support orifice plate; 32. fine filtering the filter element;
4. an assembly plate; 5. an air inlet flange; 6. and an air outlet flange.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, 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.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
As shown in fig. 1 to 4, the filtering device of the present embodiment includes a housing body 1, a coarse filtration filter assembly 2 and a fine filtration filter assembly 3, wherein a first air inlet 101, a second air inlet 102 and an air outlet 103 are provided on the housing body 1, the first air inlet 101 can be communicated with a pipeline, the second air inlet 102 can be communicated with the atmosphere, and the air outlet 103 is communicated with an air inlet of a blower. The rough filtration filter assembly 2 is laid at the second air inlet 102, the fine filtration filter assembly 3 is laid in the shell body 1, the first air inlet 101 and the second air inlet 102 are positioned at one side of the fine filtration filter assembly 3, and the air outlet 103 is positioned at the other side of the fine filtration filter assembly 3. That is, the air flow entering through the pipeline and the first air inlet 101 can reach the air outlet 103 only through the fine filtration assembly 3, and the air flow entering through the second air inlet 102 can reach the air outlet 103 only through the coarse filtration assembly 2 and the fine filtration assembly 3 in sequence, so that the air flow entering the blower can be ensured to contain no impurities such as particulate matters.
The filter device is communicated with the pipeline and the atmosphere, and can realize proper flow ratio by adjusting the sizes of the first air inlet 101 and the second air inlet 102, and the filter device can avoid the negative pressure operation of the blower, so that the blower can be prevented from being damaged.
Preferably, in the present embodiment, the first air inlet 101 and the air outlet 103 are provided at opposite sides of the housing body 1 to ensure that the air flow flowing out of the duct smoothly flows into the blower. The second air inlets 102 are provided with two groups, and the two groups of second air inlets 102 are respectively arranged at two opposite sides of the shell body 1 to ensure the uniformity of air flow pressure in the shell body 1.
Preferably, the coarse filtration assembly 2 comprises a support 21 and a coarse filtration element 23, the support 21 being hinged to the housing body 1 such that the support 21 has a closed condition covering the second air inlet 102, the support 21 also having an open condition, the coarse filtration element 23 being laid on the support 21, the support 21 being hinged to the housing body 1 in such a way as to facilitate the assembly and replacement of the coarse filtration element 23 when the coarse filtration element 23 is laid on the side of the support 21 facing the inside of the housing body 1.
Preferably, to accommodate different air pressure requirements, each set of second air inlets 102 has a plurality of second air inlets 102, and each second air inlet 102 is configured with a set of coarse filtration assemblies 2. The different second air inlets 102 of each group of second air inlets 102 are different in size, and the filtering fineness of the coarse filtering assembly 2 is different correspondingly, so that the air pressure in the shell body 1 can be regulated by opening and closing the different second air inlets 102.
In order to further precisely control the air inlet areas of the different second air inlets 102, each set of coarse filtration assemblies 2 preferably comprises a sealing plate 22, wherein two opposite sides of the supporting member 21 are provided with sliding tracks, and two opposite sides of the sealing plate 22 are respectively slidably inserted into the two sliding tracks, so that the sealing plate 22 can adjust the air inlet areas of the second air inlets 102.
Preferably, the filtering device further comprises a positioning piece, a plurality of positioning holes are formed in the side wall of the slide way, a strip-shaped groove is formed in the sealing plate 22, the positioning piece can penetrate through any positioning hole to be clamped in the strip-shaped groove, and therefore the sealing plate 22 at any position can be fixed, and the stability of air pressure is guaranteed. Of course, since the positions of the sealing plates 22 at different second air inlets 102 can be independently controlled, the air intake area of any second air inlet 102 can be independently adjusted.
In order to regulate the flow of the duct air flow, the filter device preferably further comprises an inlet valve, which is provided at the first inlet 101, or which is provided on the duct.
As shown in fig. 2, the fine filter assembly 3 preferably includes a support orifice plate 31 and a fine filter 32, the support orifice plate 31 being provided in the housing body 1, the fine filter 32 being laid on the support orifice plate 31. And the supporting hole plate 31 is provided with a plurality of holes with uniform intervals so as to ensure the circulation of air flow. Preferably, the edges of the support orifice plate 31 are sealingly connected to the inner wall of the housing body 1 to prevent particulate matter from entering the blower at the gap between the support orifice plate 31 and the housing body 1. Alternatively, the coarse filter element 23 is a filter cotton with lower accuracy and the fine filter element 32 is a filter cotton with higher accuracy.
In order to facilitate the installation of the fine filtration filter 32 on the support orifice plate 31, the filter device preferably further comprises an assembly plate 4, the housing body 1 is further provided with an installation hole, the installation hole is arranged close to the fine filtration filter assembly 3, and a worker can put the fine filtration filter 32 into the housing body 1 through the installation hole. The assembly plate 4 is detachably arranged at the mounting hole to seal the mounting hole, so that no air flow flows into the mounting hole in the working state can be ensured.
In order to facilitate the assembly of the filter device with the pipe and the blower, respectively, it is preferred that the filter device further comprises an inlet flange 5 and an outlet flange 6, the inlet flange 5 being arranged at the first inlet 101 and the outlet flange 6 being arranged at the outlet 103.
Preferably, the filter device further comprises two sealing rings, one sealing ring being arranged at the inlet flange 5 for sealing communication of the first inlet 101 with the duct and the other sealing ring being arranged at the outlet flange 6 for sealing communication of the outlet 103 with the inlet of the blower.
The embodiment also provides a blower system, which comprises a blower and the filtering device, and can prevent the blower from being damaged due to negative pressure operation.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. A filter device, comprising:
the shell comprises a shell body (1), wherein a first air inlet (101), a second air inlet (102) and an air outlet (103) are formed in the shell body (1), the first air inlet (101) can be communicated with a pipeline, the second air inlet (102) can be communicated with the atmosphere, and the air outlet (103) is communicated with an air inlet of a blower;
-a coarse filtration assembly (2), said coarse filtration assembly (2) being laid at said second air inlet (102);
the fine filtering assembly (3), the fine filtering assembly (3) is paved in the shell body (1), the first air inlet (101) and the second air inlet (102) are located on one side of the fine filtering assembly (3), and the air outlet (103) is located on the other side of the fine filtering assembly (3).
2. The filtering device according to claim 1, characterized in that the coarse filtration assembly (2) comprises a support (21) and a coarse filtration element (23), the support (21) being hinged to the housing body (1) so that the support (21) has a closed condition covering the second air inlet (102), the coarse filtration element (23) being laid on the support (21).
3. The filtering device according to claim 2, wherein the coarse filtering assembly (2) further comprises a sealing plate (22), slides are arranged at two opposite sides of the supporting member (21), and the two opposite sides of the sealing plate (22) are respectively slidably inserted into the two slides, so that the sealing plate (22) can adjust the air inlet area of the second air inlet (102).
4. A filter device according to claim 3, further comprising a positioning member, wherein a plurality of positioning holes are formed in the side wall of the slide way, a strip-shaped groove is formed in the sealing plate (22), and the positioning member can be clamped in the strip-shaped groove through any positioning hole.
5. The filtering device according to claim 1, further comprising an inlet valve, which is arranged at the first inlet (101) or on the conduit.
6. The filtering device according to any one of claims 1-5, characterized in that the fine filtration assembly (3) comprises a support orifice plate (31) and a fine filtration filter (32), the support orifice plate (31) being arranged within the housing body (1), the fine filtration filter (32) being laid on the support orifice plate (31).
7. The filtering device according to any one of claims 1-5, further comprising a mounting plate (4), wherein the housing body (1) is further provided with a mounting hole, the mounting hole is arranged close to the fine filtration assembly (3), and the mounting plate (4) is detachably arranged at the mounting hole to seal the mounting hole.
8. The filter device according to any one of claims 1-5, further comprising an inlet flange (5) and an outlet flange (6), the inlet flange (5) being arranged at the first inlet (101) and the outlet flange (6) being arranged at the outlet (103).
9. The filter device according to claim 8, further comprising two sealing rings, one of which is arranged at the inlet flange (5) for sealing communication of the first inlet opening (101) with the duct and the other of which is arranged at the outlet flange (6) for sealing communication of the outlet opening (103) with the inlet opening of the blower.
10. Blower system, characterized by comprising a blower and a filter device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223366691.6U CN218901237U (en) | 2022-12-15 | 2022-12-15 | Filter device and blower system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223366691.6U CN218901237U (en) | 2022-12-15 | 2022-12-15 | Filter device and blower system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218901237U true CN218901237U (en) | 2023-04-25 |
Family
ID=86009404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223366691.6U Active CN218901237U (en) | 2022-12-15 | 2022-12-15 | Filter device and blower system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218901237U (en) |
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2022
- 2022-12-15 CN CN202223366691.6U patent/CN218901237U/en active Active
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