CN216223126U - Metal filters with self-cleaning function - Google Patents
Metal filters with self-cleaning function Download PDFInfo
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- CN216223126U CN216223126U CN202122826678.3U CN202122826678U CN216223126U CN 216223126 U CN216223126 U CN 216223126U CN 202122826678 U CN202122826678 U CN 202122826678U CN 216223126 U CN216223126 U CN 216223126U
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Abstract
The utility model belongs to the technical field of filter screens, and discloses a metal filter screen with a self-cleaning function. According to the utility model, through the action of the structures such as the fourth protection net, the fourth filter screen and the second separation net, as the hole diameter of the third filter screen is smaller than that of the fourth filter screen, small-particle filter residues are blocked, then the sewage subjected to double filtration sequentially passes through the third protection net, the second filter screen, the first separation net, the first filter screen and the first protection net, and the filter residues of the first filter screen and the second filter screen are flushed out simultaneously when the purified sewage flows, so that the purpose of self-cleaning is achieved.
Description
Technical Field
The utility model belongs to the technical field of filter screens, and particularly relates to a metal filter screen with a self-cleaning function.
Background
The filter screen is called as a filter screen for short, is formed by processing textile fiber filter screens or metal filter screens with different meshes, has the functions of filtering molten material flow and increasing material flow resistance, thereby achieving the effects of filtering mechanical impurities and improving mixing or plasticizing.
The metal filter screens on the market at present only have a one-way filtering function basically, when the metal filter screens work, filter residues in sewage are filtered layer by layer so as to be intercepted, then filtered water flows out of the filter screens, but when the filter residues of the filter layers are accumulated to a certain thickness, the sewage filtering efficiency can be seriously influenced.
And along with the wide application of filter screen for the filter screen that the structure is more single can't satisfy the demand of each industry, and in the use, the aperture of filter screen is not good to be selected moreover, if select the aperture undersize can lead to the filter residue to block up the mesh fast, greatly reduces filtration efficiency, and the too big filter effect that can't reach again of aperture of selecting.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, and provides a metal filter screen with a self-cleaning function, which has the advantages of self-cleaning and high filtering effect easy to select.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a metal filters with self-cleaning function, includes first protection screen, the below of first protection screen is provided with first filter screen, the below of first filter screen is provided with first separation net, the below of first separation net is provided with the second filter screen, the below of second filter screen is provided with the second protection screen, the below of second protection screen is provided with the third protection screen, the below of third protection screen is provided with the third filter screen, the below of third filter screen is provided with the second separation net, the below of second separation screen is provided with the fourth filter screen, the below of fourth filter screen is provided with the fourth protection screen.
As a preferred technical solution of the present invention, the outer surfaces of the first protection net, the first filter screen, the first separation net, the second filter screen, the second protection net, the third filter screen, the second separation net, the fourth filter screen and the fourth protection net are all fixedly provided with a fixing frame, and the first protection net, the first filter screen, the first separation net, the second filter screen, the second protection net, the third filter screen, the second separation net, the fourth filter screen and the fourth protection net are fixed together by the fixing frame, so as to be closer to each other, thereby achieving a better filtering effect.
As a preferred technical solution of the present invention, the hole diameter of the first filter is larger than the hole diameter of the second filter, the hole diameter of the third filter is larger than the hole diameter of the fourth filter, the hole diameter of the first filter is the same as the hole diameter of the third filter, the hole diameter of the second filter is the same as the hole diameter of the fourth filter, the filter residue of larger particles is filtered by the first filter and the third filter, and the smaller particles are filtered by the second filter and the fourth metal filter, and the filter effect is better by double filtration.
As a preferred technical solution of the present invention, the first protection mesh, the first filter mesh, the first separation mesh, the second filter mesh, the second protection mesh, the third filter mesh, the second separation mesh, the fourth filter mesh and the fourth protection mesh are all made of an expanded aluminum foil mesh or a stainless steel mesh, and the first protection mesh, the first filter mesh, the first separation mesh, the second filter mesh, the second protection mesh, the third filter mesh, the second separation mesh, the fourth filter mesh and the fourth protection mesh are self-stretched by expanding the aluminum foil mesh, and the degree of stretching is self-controlled, so that the controllability is good, and the mesh has good properties of heat resistance, acid resistance, corrosion resistance, wear resistance, etc. by being made of stainless steel, so as to be more suitable for a working environment.
As a preferred technical solution of the present invention, the first protection mesh, the first filter mesh, the first separation mesh, the second filter mesh, the second protection mesh, the third filter mesh, the second separation mesh, the fourth filter mesh and the fourth protection mesh are all in a wave mesh shape, and the first protection mesh, the first filter mesh, the first separation mesh, the second filter mesh, the second protection mesh, the third filter mesh, the second separation mesh, the fourth filter mesh and the fourth protection mesh are arranged in a wave mesh shape, so that the relationship between them is tighter, and the filtering effect is better.
As a preferred embodiment of the present invention, the first protection net, the first filter net, the first separation net, the second filter net, the second protection net, the third filter net, the second separation net, the fourth filter net and the fourth protection net are overlapped with each other in a cross manner at a correct angle, and the folding and expansion are arranged in a manner that the density and the aperture are different from coarse to fine, so that the flow direction of an object is changed for a plurality of times when the object passes through the first protection net, and the efficiency of the object is increased.
Compared with the prior art, the utility model has the following beneficial effects:
1. through the effects of the structures such as the fourth protection net, the fourth filter net and the second separation net, when the filter residue intercepted by the first filter net is accumulated to a certain thickness and the surface filter residue influences the filtering efficiency, the filtering device is reversely started, so that sewage or purified water is enabled to firstly pass through the fourth protection net and then pass through the fourth filter net, large-particle filter residues in the sewage are blocked, then the primarily filtered sewage flows out from the fourth filter net, passes through the second separation net and then flows to the third filter net, as the hole diameter of the third filter net is smaller than that of the fourth filter net, small-particle filter residues in the sewage can be blocked, and then the doubly filtered sewage sequentially passes through the third protection net, the second filter net, the first separation net, the first filter net and the first protection net, when the purified sewage flows, the filter residues of the first filter screen and the second filter screen are washed out simultaneously, so that the self-cleaning purpose is achieved.
2. According to the utility model, through the effect of the structures such as the first filter screen, the third filter screen and the second filter screen, the hole diameters of the first filter screen and the third filter screen are set to be larger than the hole diameters of the second filter screen and the fourth filter screen, so that large particles can be filtered by the first filter screen and the third filter screen firstly, and small particles can be filtered by the second filter screen and the fourth filter screen, and through double filtering, the filtering effect is better, the problem of blockage can not be caused, the filtering efficiency is ensured, and because the two ends of the filter screens are provided with the filtering devices, the front side and the back side are not separated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;
FIG. 4 is a schematic front view of the present invention;
fig. 5 is a schematic rear view of the present invention.
In the figure: 1. a first protective mesh; 2. a first filter screen; 3. a first separation mesh; 4. a second filter screen; 5. a second protective net; 6. a third protection net; 7. a third filter screen; 8. a second separation net; 9. a fourth filter screen; 10. a fourth protection net; 11. and fixing the frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the present invention provides a metal filter screen with a self-cleaning function, including a first protective screen 1, a first filter screen 2 is disposed below the first protective screen 1, a first separation screen 3 is disposed below the first filter screen 2, a second filter screen 4 is disposed below the first separation screen 3, a second protective screen 5 is disposed below the second filter screen 4, a third protective screen 6 is disposed below the second protective screen 5, a third filter screen 7 is disposed below the third protective screen 6, a second separation screen 8 is disposed below the third filter screen 7, a fourth filter screen 9 is disposed below the second separation screen 8, and a fourth protective screen 10 is disposed below the fourth filter screen 9.
Wherein, first protection network 1, first filter screen 2, first separation net 3, the second filter screen 4, the second protection network 5, the third protection network 6, the third filter screen 7, the second separation net 8, the equal fixed mounting in surface of fourth filter screen 9 and fourth protection network 10 has fixed frame 11, through with first protection network 1, first filter screen 2, first separation net 3, the second filter screen 4, the second protection network 5, the third protection network 6, third filter screen 7, the second separation net 8, fourth filter screen 9 and fourth protection network 10 are together fixed through fixed frame 11, make to laminate more between each other and be close to, thereby make the filter effect better.
Wherein, the hole diameter of first filter screen 2 is greater than the hole diameter of second filter screen 4, the hole diameter of third filter screen 7 is greater than the hole diameter of fourth filter screen 9, the hole diameter of first filter screen 2 is the same with the hole diameter of third filter screen 7, the hole diameter of second filter screen 4 is the same with the hole diameter of fourth filter screen 9, filter residue through first filter screen 2 and third filter screen 7 filtration great granule, and filter less granule through second filter screen 4 and fourth filter screen 9, through double filtration, thereby make the filter effect better.
The first protection net 1, the first filter screen 2, the first separation net 3, the second filter screen 4, the second protection net 5, the third protection net 6, the third filter screen 7, the second separation net 8, the fourth filter screen 9 and the fourth protection net 10 are all made of an expanded aluminum foil net or a stainless steel net, the first protection net 1, the first filter screen 2, the first separation net 3, the second filter screen 4, the second protection net 5, the third protection net 6, the third filter screen 7, the second separation net 8, the fourth filter screen 9 and the fourth protection net 10 are made of the expanded aluminum foil net in a self-stretching mode, the stretching degree is controlled automatically, good controllability is achieved, and the nets are made of stainless steel, so that the nets have good performances such as heat resistance, acid resistance, corrosion resistance and wear resistance, and the like, and are made to be more suitable for a working environment.
Wherein, first protection network 1, first filter screen 2, first separation net 3, the second filter screen 4, the second protection network 5, the third protection network 6, the third filter screen 7, the second separation net 8, fourth filter screen 9 and fourth protection network 10 all are wave net shape, through setting first protection network 1, first filter screen 2, first separation net 3, the second filter screen 4, the second protection network 5, the third protection network 6, the third filter screen 7, the second separation net 8, fourth filter screen 9 and fourth protection network 10 into wave net shape, thereby make the contact between each other inseparabler, thereby make the filter effect better.
The first protection net 1, the first filter screen 2, the first separation net 3, the second filter screen 4, the second protection net 5, the third protection net 6, the third filter screen 7, the second separation net 8, the fourth filter screen 9 and the fourth protection net 10 are mutually overlapped in a cross mode, the first protection net 1, the first filter screen 2, the first separation net 3, the second filter screen 4, the second protection net 5, the third protection net 6, the third filter screen 7, the second separation net 8, the fourth filter screen 9 and the fourth protection net 10 are mutually overlapped in a cross mode at right angles, folding expansion is formed by mutually overlapping the first protection net 1, the first filter screen 2, the first separation net 3, the second filter screen 4, the second protection net 5, the third protection net 6, the third filter screen 7, the second separation net 8, the fourth filter screen 9 and the fourth protection net 10 in a cross mode, folding expansion is in an arrangement with different densities and pore diameters from coarse to fine, the flowing direction is changed for multiple times when an object passes through, and the efficiency of the object is increased.
The working principle and the using process of the utility model are as follows:
installing a filter screen at a place needing filtering through a fixed frame 11, then opening a filtering device, enabling sewage to firstly pass through a first protection screen 1, then pass through a first filter screen 2, blocking down large-particle filter residues in the sewage, then enabling primarily filtered sewage to flow out of the first filter screen 2, pass through a first separation screen 3 and then flow to a second filter screen 4, and enabling small-particle filter residues in the sewage to be blocked off due to the fact that the diameter of a hole of the second filter screen 4 is smaller than that of the first filter screen 2, and then enabling the sewage subjected to double filtering to sequentially pass through a second protection screen 5, a third protection screen 6, a third filter screen 7, a second separation screen 8, a fourth filter screen 9 and a fourth protection screen 10 and then flow out;
when the filter residues intercepted by the first filter screen 2 are accumulated to a certain thickness and the surface filter residues affect the filtering efficiency, the filtering device is reversely started to enable sewage or purified water to firstly pass through the fourth protection screen 10 and then pass through the fourth filter screen 9 to enable large-particle filter residues in the sewage to be blocked, then the primarily filtered sewage flows out from the fourth filter screen 9, passes through the second separation screen 8 and then flows to the third filter screen 7, as the hole diameter of the third filter screen 7 is smaller than that of the fourth filter screen 9, the small-particle filter residues in the sewage can be blocked, then the doubly filtered sewage sequentially passes through the third protection screen 6, the second protection screen 5, the second filter screen 4, the first separation screen 3, the first filter screen 2 and the first protection screen 1, when the sewage flows, the purified sewage simultaneously flushes the filter residues of the first filter screen 2 and the second filter screen 4, thereby achieving the purpose of self-cleaning;
the first filter screen 2 and the fourth filter screen 9 are supported and protected by the first protection screen 1 and the fourth protection screen 10 respectively, the second filter screen 4 and the third filter screen 7 are supported and protected by the second protection screen 5 and the third protection screen 6, a certain distance exists between the first filter screen 2 and the second filter screen 4 through the first separation screen 3, the problem of blockage is avoided, and the second separation screen 8 plays the same role.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a metal filters with self-cleaning function, includes first protection network (1), its characterized in that: the utility model discloses a novel high-efficiency dust collector, including first protection screen (1), the below of first protection screen (1) is provided with first filter screen (2), the below of first filter screen (2) is provided with first separation screen (3), the below of first separation screen (3) is provided with second filter screen (4), the below of second filter screen (4) is provided with second guard net (5), the below of second guard net (5) is provided with third guard net (6), the below of third guard net (6) is provided with third filter screen (7), the below of third filter screen (7) is provided with second separation screen (8), the below of second separation screen (8) is provided with fourth filter screen (9), the below of fourth filter screen (9) is provided with fourth guard net (10).
2. The metal filter screen with the self-cleaning function according to claim 1, wherein: the hole diameter of first filter screen (2) is greater than the hole diameter of second filter screen (4), the hole diameter of third filter screen (7) is greater than the hole diameter of fourth filter screen (9), the hole diameter of first filter screen (2) is the same with the hole diameter of third filter screen (7), the hole diameter of second filter screen (4) is the same with the hole diameter of fourth filter screen (9).
3. The metal filter screen with the self-cleaning function according to claim 2, wherein: the outer surface of the first protection net (1), the first filter net (2), the first separation net (3), the second filter net (4), the second protection net (5), the third protection net (6), the third filter net (7), the second separation net (8), the fourth filter net (9) and the fourth protection net (10) are fixedly provided with a fixed frame (11).
4. The metal filter screen with the self-cleaning function according to claim 1, wherein: the first protection net (1), the first filter screen (2), the first separation net (3), the second filter screen (4), the second protection net (5), the third protection net (6), the third filter screen (7), the second separation net (8), the fourth filter screen (9) and the fourth protection net (10) are all made of expanded aluminum foil nets or stainless steel nets.
5. The metal filter screen with the self-cleaning function according to claim 1, wherein: the filter screen is characterized in that the first protection screen (1), the first filter screen (2), the first separation screen (3), the second filter screen (4), the second protection screen (5), the third protection screen (6), the third filter screen (7), the second separation screen (8), the fourth filter screen (9) and the fourth protection screen (10) are all in a wave net shape.
6. The metal filter screen with the self-cleaning function according to claim 5, wherein: the filter screen is characterized in that the first protection screen (1), the first filter screen (2), the first separation screen (3), the second filter screen (4), the second protection screen (5), the third protection screen (6), the third filter screen (7), the second separation screen (8), the fourth filter screen (9) and the fourth protection screen (10) are mutually overlapped in a crossed mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826678.3U CN216223126U (en) | 2021-11-18 | 2021-11-18 | Metal filters with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122826678.3U CN216223126U (en) | 2021-11-18 | 2021-11-18 | Metal filters with self-cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216223126U true CN216223126U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122826678.3U Active CN216223126U (en) | 2021-11-18 | 2021-11-18 | Metal filters with self-cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216223126U (en) |
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2021
- 2021-11-18 CN CN202122826678.3U patent/CN216223126U/en active Active
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