CN214486062U - Novel high-efficient metal filter - Google Patents
Novel high-efficient metal filter Download PDFInfo
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- CN214486062U CN214486062U CN202022623965.XU CN202022623965U CN214486062U CN 214486062 U CN214486062 U CN 214486062U CN 202022623965 U CN202022623965 U CN 202022623965U CN 214486062 U CN214486062 U CN 214486062U
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Abstract
The utility model relates to a novel high-efficient metal filter, include: the metal outer cylinder body is a circular truncated cone body with openings at two ends, and a plurality of uniformly arranged holes are formed in the peripheral wall of the metal outer cylinder body; the supporting cylinder is positioned at the center of the inner side of the metal outer cylinder body; a sintered felt filter element located between the outer periphery of the support cylinder and the inner periphery of the metal outer cylinder; the outer filtering layer comprises a protective layer, a coarse filter screen layer and a high-temperature-resistant filling layer which are sequentially arranged from outside to inside; and the air outlet end cover and the closed end cover are respectively arranged at the top and the bottom of the metal outer cylinder body. The utility model discloses a novel high-efficient metal filter, the filter effect is better, can high-efficient filtration room air of large tracts of land for the gas of emission reaches filtration standard.
Description
Technical Field
The utility model belongs to the technical field of the filter, concretely relates to novel high-efficient metal filter.
Background
The temperature of the outlet of the flue gas discharged from the electric furnace steel making is 650-1000 ℃. The traditional treatment method of the flue gas generated by electric furnace steelmaking is that the temperature is reduced to about 400-600 ℃ through a pipeline, forced air is blown to cool the temperature of the flue gas, and cloth bag dust removal is carried out after the temperature of the flue gas is reduced to 220 ℃. The metal filter has high strength, uniform stress, good pressure resistance and high temperature resistance, so that the metal filter can be generally used for filtering and dedusting steelmaking waste gas.
The sintered felt filter cylinder is mainly used for filtering high-temperature dust and smoke, the smoke temperature of the applicable working occasion is generally higher and can reach 650-fold and 1000-fold, the temperature is still reduced by 400-fold and 600-fold through a pipeline, the filtering stage number of the conventional filter cylinder is single, and the filtering effect cannot reach the emission standard, so the service life is shorter, the filtering cost is increased, and the working efficiency is reduced.
Disclosure of Invention
An object of the utility model is to overcome the defect that exists among the above-mentioned prior art, provide a novel high-efficient metal filter to make the gas of emission reach emission standard, and improved work efficiency.
In order to achieve the purpose, the technical scheme of the application is as follows:
a novel high efficiency metal filter comprising:
the metal outer cylinder body is a circular truncated cone body with openings at two ends, and a plurality of uniformly arranged holes are formed in the peripheral wall of the metal outer cylinder body;
the supporting cylinder is positioned at the center of the inner side of the metal outer cylinder body, and at least three supporting plates are fixedly connected between the outer periphery of the supporting cylinder and the inner periphery of the metal outer cylinder body;
the sintered felt filter element is positioned between the outer periphery of the supporting cylinder and the inner periphery of the metal outer cylinder body and is fixedly arranged in a central divergence mode by taking the supporting cylinder as a central point;
the outer filtering layer comprises a protective layer, a coarse filter screen layer and a high-temperature-resistant filling layer which are sequentially arranged from outside to inside, the protective layer, the coarse filter screen layer and the high-temperature-resistant filling layer are mutually bonded, and the high-temperature-resistant filling layer is bonded with the periphery of the metal outer cylinder;
and the air outlet end cover and the closed end cover are respectively arranged at the top and the bottom of the metal outer cylinder body, the air outlet end cover and the closed end cover are both in a circular ring shape, the air outlet end cover and the closed end cover can be sleeved at the corresponding end part of the metal outer cylinder body, and meanwhile, the upper end and the lower end of the filtering outer layer are inserted into the air outlet end cover and the closed end cover.
The preferable technical scheme is as follows:
the novel high-efficiency metal filter is characterized in that the number of the support plates is 3, and the angle between every two adjacent support plates is 120 degrees.
The novel high-efficiency metal filter comprises at least 80% of the surface area of the metal outer cylinder, wherein the total area of the openings is larger than the total area of the metal outer cylinder.
According to the novel high-efficiency metal filter, two sides of the sintered felt filter element are respectively bonded and fixed with the outer periphery of the supporting cylinder and the inner periphery of the metal outer cylinder body.
According to the novel high-efficiency metal filter, the sintered felt filter element is formed by non-woven paving and overlapping of multiple layers of stainless steel fibers and then high-temperature sintering, and pore gradients are formed among the multiple layers of stainless steel fibers in different pore diameter layers.
Compared with the prior art, the technical scheme of the utility model following technological effect has at least:
(1) the utility model discloses a novel high-efficient metal filter, on the one hand, the filter structure in the utility model adopts the mode of multi-stage filtration, and the dusty gas that electric stove steelmaking discharged is at first filtered in advance through coarse effect filter screen layer, and then the high temperature resistant filter material who packs in the high temperature resistant filling layer carries out the primary filtration, and finally the fine filtration is carried out through the poroid filtration pore of the last self of sintering felt filter core, and the whole flow can carry out the effectual dust that blocks, and the filter effect is better, can make the gas that discharges reach the filtration standard;
(2) the utility model discloses a novel high-efficient metal filter, on the other hand, 360 all-round filter that admits air can large tracts of land high efficiency filtration room air, and the purification efficiency of filter also can be guaranteed to the fixed mode of hot melt adhesive form bonding sealed filtration skin and sintering felt filter core, has also increased the life of filter self to a certain extent.
Drawings
FIG. 1 is a schematic view of the overall structure of a novel high-efficiency metal filter according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a novel high-efficiency metal filter according to the present invention;
the filter comprises a metal outer cylinder body 1, a metal outer cylinder body 2, a support cylinder 3, a support plate 4, a protective layer 5, a coarse filter screen layer 6, an air outlet end cover 7, a closed end cover 8 and a sintered felt filter element.
Detailed Description
The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" are inclusive and therefore specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
The invention will be further described by means of the following description in conjunction with the accompanying drawings.
Please refer to fig. 1-2, wherein fig. 1 is a schematic diagram of an overall structure of a novel high-efficiency metal filter according to an embodiment of the present invention, and fig. 2 is a schematic diagram of an internal structure of a novel high-efficiency metal filter according to an embodiment of the present invention.
The novel high-efficiency metal filter of the embodiment comprises:
the device comprises a metal outer cylinder body 1, wherein the metal outer cylinder body 1 is a circular truncated cone with openings at two ends, and a plurality of uniformly arranged holes are formed in the peripheral wall of the metal outer cylinder body 1;
the supporting cylinder 2 is positioned at the center of the inner side of the metal outer cylinder body 1, and at least three supporting plates 3 are fixedly connected between the outer periphery of the supporting cylinder 2 and the inner periphery of the metal outer cylinder body 1;
the sintered felt filter element 8 is positioned between the outer periphery of the support cylinder 2 and the inner periphery of the metal outer cylinder 1, and is fixedly arranged in a center-divergent manner by taking the support cylinder 2 as a central point, and two sides of the sintered felt filter element 8 are respectively bonded and fixed with the outer periphery of the support cylinder 2 and the inner periphery of the metal outer cylinder 1;
the outer filtering layer comprises a protective layer 4, a coarse filter screen layer 5 and a high-temperature-resistant filling layer (not shown in the figure), which are sequentially arranged from outside to inside, wherein high-temperature-resistant filling cotton can be specifically filled in the high-temperature-resistant filling layer, the protective layer 4, the coarse filter screen layer 5 and the high-temperature-resistant filling layer are mutually bonded, and the high-temperature-resistant filling layer is bonded with the periphery of the metal outer cylinder body 1;
and the gas outlet end cover 6 and the closed end cover 7 are respectively arranged at the top and the bottom of the metal outer cylinder body 1, the gas outlet end cover 6 and the closed end cover 7 are both in a circular ring shape, the gas outlet end cover 6 and the closed end cover 7 can be sleeved at the corresponding end part of the metal outer cylinder body 1, and the upper end and the lower end of the filtering outer layer are inserted into the gas outlet end cover 6 and the closed end cover 7.
In a preferred embodiment, the number of support plates 3 is 3, and the angle between adjacent support plates 3 is 120 °. Set up the purpose of backup pad 3 is right support section of thick bamboo 2 carries out fixed stay, the quantity of backup pad 3 is 3, and the aim at who so sets up is guaranteeing support section of thick bamboo 2 self stable in structure, guarantee the filterable smoothness nature of dirty gas.
In this embodiment, the total area of the openings accounts for at least 80% of the surface area of the metal outer cylinder 1, so that the dust-containing gas can naturally enter the sintered felt filter element 8 without resistance for filtration and purification.
More specifically, in this embodiment, the sintered felt filter element 8 is formed by non-woven laying and stacking multiple layers of stainless steel fibers and then sintering at a high temperature, and the pore diameter layers of the multiple layers of stainless steel fibers are different to form a pore gradient. The sintered felt filter element 8 with the structure has the characteristics of three-dimensional net shape, porous structure, high porosity, large surface area, uniform pore size distribution and the like, can continuously keep the filtering action of the filtering surface, effectively make up the defects that a metal net is easy to block and damage, can make up the defects that a powder filtering product is easy to break and has small flow, and has the characteristics of temperature resistance and pressure resistance which cannot be compared favorably with common filter paper and filter cloth.
It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. A novel high efficiency metal filter, comprising:
the metal outer cylinder body is a circular truncated cone body with openings at two ends, and a plurality of uniformly arranged holes are formed in the peripheral wall of the metal outer cylinder body;
the supporting cylinder is positioned at the center of the inner side of the metal outer cylinder body, and at least three supporting plates are fixedly connected between the outer periphery of the supporting cylinder and the inner periphery of the metal outer cylinder body;
the sintered felt filter element is positioned between the outer periphery of the supporting cylinder and the inner periphery of the metal outer cylinder body and is fixedly arranged in a central divergence mode by taking the supporting cylinder as a central point;
the outer filtering layer comprises a protective layer, a coarse filter screen layer and a high-temperature-resistant filling layer which are sequentially arranged from outside to inside, the protective layer, the coarse filter screen layer and the high-temperature-resistant filling layer are mutually bonded, and the high-temperature-resistant filling layer is bonded with the periphery of the metal outer cylinder;
and the air outlet end cover and the closed end cover are respectively arranged at the top and the bottom of the metal outer cylinder body, the air outlet end cover and the closed end cover are both in a circular ring shape, the air outlet end cover and the closed end cover can be sleeved at the corresponding end part of the metal outer cylinder body, and meanwhile, the upper end and the lower end of the filtering outer layer are inserted into the air outlet end cover and the closed end cover.
2. The new high efficiency metal filter of claim 1, wherein the number of said support plates is 3, and the angle between adjacent support plates is 120 °.
3. The new high efficiency metal filter of claim 1 wherein the total area of said openings is at least 80% of the surface area of said outer metal housing.
4. The novel high-efficiency metal filter as claimed in claim 1, wherein two sides of the sintered felt filter element are respectively bonded and fixed with the outer circumference of the support cylinder and the inner circumference of the metal outer cylinder.
5. The novel high-efficiency metal filter as claimed in claim 1, wherein the sintered felt filter element is made of multiple layers of stainless steel fibers through non-woven spreading, overlapping and high-temperature sintering, and pore gradients are formed among the multiple layers of stainless steel fibers due to different pore diameter layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022623965.XU CN214486062U (en) | 2020-11-13 | 2020-11-13 | Novel high-efficient metal filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022623965.XU CN214486062U (en) | 2020-11-13 | 2020-11-13 | Novel high-efficient metal filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214486062U true CN214486062U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022623965.XU Active CN214486062U (en) | 2020-11-13 | 2020-11-13 | Novel high-efficient metal filter |
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| Country | Link |
|---|---|
| CN (1) | CN214486062U (en) |
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2020
- 2020-11-13 CN CN202022623965.XU patent/CN214486062U/en active Active
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