CN215585794U - Composite purifying filter cylinder - Google Patents
Composite purifying filter cylinder Download PDFInfo
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- CN215585794U CN215585794U CN202121772169.0U CN202121772169U CN215585794U CN 215585794 U CN215585794 U CN 215585794U CN 202121772169 U CN202121772169 U CN 202121772169U CN 215585794 U CN215585794 U CN 215585794U
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Abstract
The utility model provides a composite purification filter cylinder which comprises a filter cylinder body, wherein the filter cylinder body is of an inverted cone-shaped structure which is tapered from top to bottom, the filter cylinder body comprises an adsorption layer and a dust removal filter layer which are arranged inside and outside, and the adsorption layer is positioned on the inner side of the dust removal filter layer. According to the utility model, the outer layer of the filter cylinder is a filter layer for dust removal, the adsorption layer positioned on the inner side of the filter layer is used for adsorbing and removing impurities such as oil, chlorine, sulfur and the like, the functions of dust removal and impurity removal can be realized through the filter cylinder, and a desulfurization device and a dechlorination device are not required to be additionally arranged, so that the floor area of gas treatment equipment can be reduced, the investment cost is reduced, and the gas treatment efficiency is improved; in addition, because the filter cylinder is of a conical structure with a large upper part and a small lower part, the contact area of the coal gas and the side wall of the filter cylinder can be increased, the passing area of the coal gas is increased, and the dust removal efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of coal gas dust removal, and particularly relates to a composite purification filter cylinder.
Background
Blast furnace gas is an acidic corrosive gas containing dust and gaseous impurities, such as oil, chlorine, sulfur and other impurities; the dust is removed by a dust removal system, and the dust is conveyed to a user after impurities are removed. In the prior art, impurities such as chlorine, sulfur and the like are usually removed through a blast furnace gas dry method and then through a dechlorinating device and a hydrolysis desulfurization device which are independently arranged at the downstream, so that the total occupied area of the system is large, and the large-area popularization is not facilitated. A single-function dust removal filter cylinder is usually installed in the conventional dry dust removal device, only plays a role of pure dust removal, does not have the function of removing impurities such as oil, chlorine, sulfur and the like, and is of a circular structure, so that the dust removal efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention provides a composite purification cartridge, which can remove dust and impurities and improve purification efficiency.
In order to achieve the above and other related objects, the present invention provides a composite purification cartridge, which comprises a cartridge body, wherein the cartridge body is an inverted cone structure that is tapered from top to bottom, and the cartridge body comprises an adsorption layer and a dust removal filter layer that are arranged inside and outside, and the adsorption layer is located on the inner side of the dust removal filter layer.
Optionally, the cylinder comprises an outer sleeve and an inner sleeve with air permeable pores, the inner sleeve and the outer sleeve are both of inverted cone structures with thick tops and thin bottoms, the outer sleeve is a dedusting filter material, a containing cavity for containing an adsorbent is formed between the outer sleeve and the inner sleeve, and the containing cavity is filled with the adsorbent.
Optionally, the outer sleeve is a metal filter material, a ceramic filter material or a fiber filter material.
Optionally, the outer sleeve is a cloth bag, a framework or a perforated sleeve is arranged on the inner side of the outer sleeve, and the outer sleeve is supported outside the framework or the sleeve.
Optionally, the inner sleeve is a johnson mesh, or the inner sleeve comprises a perforated mesh tube and a wire mesh.
Optionally, the inner sleeve has an aperture ratio of 30% or more.
Optionally, the size of the air-permeable pores of the outer sleeve and the inner sleeve is smaller than the particle size of the adsorbent.
Optionally, the lower end of the inner sleeve is sealed by a first sealing plate, and the upper end and the lower end of the filter cartridge are both provided with a cover plate for sealing the accommodating cavity.
Optionally, the filter cartridge body further comprises an inner support tube for mounting the inner sleeve and an outer support tube for mounting the outer sleeve, the inner support tube and the outer support tube are connected through an intermediate connecting piece, the inner sleeve is connected to the lower end of the inner support tube, the outer sleeve is connected to the lower end of the outer support tube, and a connecting portion for mounting the inner support tube or the outer support tube is arranged on the inner support tube or the outer support tube.
Optionally, the upper end of the accommodating cavity is sealed by a cover plate, or an adsorbent is filled between the inner support tube and the outer support tube, the filling height of the adsorbent between the inner support tube and the outer support tube is greater than the thickness of the adsorption layer, and the upper end of the accommodating cavity is sealed by the adsorbent; the lower end of the inner sleeve is sealed through a first sealing plate, the lower end of the filter cartridge body is provided with a second sealing plate which can be opened and closed, and the lower end of the accommodating cavity is sealed through the second sealing plate.
Optionally, the cross section of the cylinder is annular, and the cross section profile is square or circular.
Optionally, the adsorbent is a granular degreasing agent, a deoxidizer, a hydrolyzing agent, a dechlorinating adsorbent, a desulfurizing adsorbent or a catalyst.
Optionally, the adsorption layer is one layer to multiple layers, and when at least two layers are provided, the adsorbents in each layer are the same or different.
As described above, the present invention has the following advantageous effects: by adopting the structure, the outer layer of the filter cylinder is a filter layer for dust removal, the adsorption layer positioned on the inner side of the filter layer is used for adsorbing and removing impurities such as oil, chlorine, sulfur and the like, the functions of dust removal and impurity removal can be realized through the filter cylinder, and a desulfurization device and a dechlorination device are not required to be additionally arranged, so that the floor area of gas treatment equipment can be reduced, the investment cost is reduced, and the gas treatment efficiency is improved; in addition, because the filter cylinder is of a conical structure with a large upper part and a small lower part, the contact area of the coal gas and the side wall of the filter cylinder can be increased during coal gas treatment, the passing area of the coal gas is increased, the dust removal efficiency is improved, and the dust removal treatment of a filter layer is facilitated.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic view of the upper end of a filter cartridge in another embodiment;
FIG. 3 is a schematic view of the lower end structure of a filter cartridge in another embodiment;
fig. 4 is a schematic view (top view) of the connection between the inner support tube and the outer support tube in fig. 2.
Part number description:
11-a jacket; 12-an adsorbent; 13-inner sleeve; 14-a cover plate; 15-a second sealing plate; 16-a first sealing plate; 17-a flange plate; 21-inner support tube; 22-an outer support tube; 23-a scaffold; 24-a connecting portion; 25-wire mesh.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Examples
A combined type purifies and strains a section of thick bamboo as shown in figure 1, including straining a section of thick bamboo body, strain a section of thick bamboo body size from last down from thick tapering, be the back taper structure, strain a section of thick bamboo body and include inside and outside adsorbed layer and the dust removal filter layer that sets up, wherein the dust removal filter layer is located the periphery of adsorbed layer, is used for filtering the dust, and inboard adsorbed layer is used for adsorbing impurity such as oil, chlorine, sulphur, and when using, the periphery side of straining a section of thick bamboo is gas inlet, and the upper end of straining a section of thick bamboo is the export, and blast furnace gas passes through dust removal filter layer and adsorbed layer in proper order, removes dust and removes impurity.
The outer layer of the filter cylinder is a filter layer for dust removal, the adsorption layer positioned on the inner side of the filter layer is used for adsorbing and removing impurities such as oil, chlorine, sulfur and the like, the functions of dust removal and impurity removal can be realized through the filter cylinder, and a desulfurization device and a dechlorination device are not required to be additionally arranged, so that the floor area of coal gas treatment equipment can be reduced, the investment cost is reduced, and the coal gas treatment efficiency is improved; in addition, because the filter cylinder is of a conical structure with a large upper part and a small lower part, the contact area of the coal gas and the side wall of the filter cylinder can be increased, the passing area of the coal gas is increased, and the dust removal efficiency is improved. And the attachment of dust on the outer wall of the filter cylinder can be reduced, so that the back-blowing ash removal treatment is facilitated.
Specifically, the filter cartridge body comprises an outer sleeve 11 and an inner sleeve 13 which are coaxially sleeved, the inner sleeve 13 and the outer sleeve 11 both have air-permeable pores so that gas can pass through, the inner sleeve 13 and the outer sleeve 11 are both in inverted cone structures with thick tops and thin bottoms, the outer sleeve 11 is a dedusting filter material, an annular accommodating cavity for accommodating the adsorbent 12 is formed between the outer sleeve 11 and the inner sleeve 13, and the accommodating cavity is filled with the adsorbent 12. The adsorbent 12 is a granular degreasing agent, a deoxidizer, a hydrolytic agent, a dechlorination adsorbent, a desulfurization adsorbent or a catalyst, and different types of the adsorbent 12 can be set according to different requirements.
In one embodiment, the outer cover 11 is a metal filter material, a ceramic filter material or a fiber filter material, and the outer cover 11 constitutes a dust removal filter layer.
Fibrous filter materials such as woven cloth and needle felt, woven fibrous (textile fiber) filter materials: 729-I terylene and 208 terylene flannelette; nonwoven fiber (nonwoven fiber) filter material: polyester needle felt (polyester long fiber base cloth), P-84 needle felt (P-84 base cloth), glass fiber needle felt (glass fiber base cloth), PPS needle felt (PPS long fiber base cloth), PPS needle felt (glass fiber base cloth), Metas-500 (Metas base cloth), and the like.
The metal filter material can be formed by pressing and sintering metal powder by using a bonding agent and a pore-forming agent, and can also be formed by sintering metal fibers after non-woven laying. The ceramic filter material can be composed of aluminum silicate fiber and inorganic adhesive. Of course, other dedusting filter materials in the prior art can also be adopted as the dedusting filter layer.
In another embodiment, the outer cover 11 is a cloth bag (fiber filter material), the inner side of the outer cover 11 is provided with a framework or a sleeve with openings, the outer cover 11 is supported outside the framework or the sleeve, the framework or the sleeve is used for supporting the filter material to prevent the filter material from shaking or deforming, the openings of the sleeve are smaller than the particle size of the adsorbent 12, and the ventilation effect is ensured. Of course, the framework can also be embedded in the filter material for supporting.
In this example, the sizes of the air-permeable pores of the outer sleeve 11 and the inner sleeve 13 are both smaller than the particle size of the adsorbent 12, and the adsorbent 12 is prevented from leaking.
In some embodiments, the inner sleeve 13 is a metal structure, a Johnson mesh can be used, or the inner sleeve is made of a porous mesh tube and a wire mesh. Wherein, in order to ensure the ventilation effect, the aperture ratio of the inner sleeve 13 is more than or equal to 30 percent.
In this case, the lower end of the inner housing 13 is sealed by a first sealing plate 16, the lower end of the inner housing 13 is closed, the upper end of the inner housing 13 is opened to serve as a purified gas outlet, and cover plates 14 for sealing the receiving chamber are provided at the upper and lower ends of the filter cartridge, and the cover plates 14 may be detachably provided to replace the adsorbent 12.
In one embodiment, the filter cartridge body further comprises an inner support tube 21 for mounting the inner sleeve 13 and an outer support tube 22 for mounting the outer sleeve 11, the inner support tube 21 and the outer support tube 22 are connected by an intermediate connector, which may be a part of the inner support tube 21, integral with the inner support tube 21, and then connected to the outer support tube 22; or the intermediate connector is a part of the outer support tube 22, is integrated with the outer support tube 22 and then is connected with the inner support tube 21; or an independent structure, which is connected with the inner support tube 21 and the outer support tube 22 respectively.
In one embodiment, the middle connector is a bracket 23, the bracket 23 may be a strip structure, a plurality of brackets 23 are arranged between the inner wall of the outer support tube 22 and the outer wall of the inner support tube 21 to support each other, so that the loading of the adsorbent is not affected, the inner sleeve 13 is connected to the lower end of the inner support tube 21, the outer sleeve 11 is connected to the lower end of the outer support tube 22 and can be connected by welding or hanging, wherein the outer support tube 22 or the inner support tube 21 is provided with a connecting part 24 for being externally mounted, and is used for being welded or bolted with the dust removing device.
In another embodiment, as shown in fig. 2 and 4, the upper end of the outer support tube 22 is folded outward to form a folded portion, the upper end of the inner support tube 21 is connected to an annular connecting plate, and the connecting plate is connected to the folded portion of the outer support tube 22 by a fastening member or welded thereto. The connecting portion 24 is formed by the connecting plate and the folded portion, and a flange hole or the like may be formed in the connecting portion 24.
That is, a connecting plate is welded at the upper end of the inner supporting tube 21, a plurality of annular holes are formed in the position, corresponding to the accommodating cavity, of the connecting plate, and intervals are formed among the annular holes. I.e., the top view of the inner support tube 21, may also be similar to that of fig. 4. In other embodiments, the connecting plate may be connected to the outer support tube 22 and then welded to the inner support tube 21.
In one embodiment, the lower end of the inner sleeve 13 is sealed by a first sealing plate 16, the lower end of the cartridge body is provided with a second sealing plate 15 that can be opened and closed, and the lower end of the receiving chamber is sealed by the second sealing plate 15. Specifically, a flange 17 is fixedly connected to the lower end of the outer sleeve 11, and the second sealing plate 15 is detachably connected to the flange 17 through bolts, so that the failed adsorbent 12 can be conveniently opened and replaced.
In one embodiment, the upper end of the receiving chamber is sealed by a cover plate which is detachably connected to the upper end of the inner support tube 21 and/or the outer support tube 22.
In another embodiment, the same type of adsorbent 12 as that in the containing cavity is also filled between the inner supporting tube 21 and the outer supporting tube 22, the filling height H of the adsorbent 12 between the inner supporting tube 21 and the outer supporting tube 22 is greater than the thickness d of the adsorbent layer, the upper end of the containing cavity is sealed by the adsorbent 12, and due to the same type of adsorbent 12, when H is greater than d, the resistance of the gas flowing through the direction H is greater than the resistance of the direction d, so that the gas can pass through the adsorbent layer; a screen 25 or cover plate may also be provided over the location where the adsorbent 12 is sealed to prevent movement of the adsorbent 12.
In this case, the cross section of the filter cartridge is circular, and the cross section outer contour is circular.
Wherein, the adsorption layer is one layer to multiple layers, when the adsorption layer is at least two layers, 12 kinds of adsorbents in each layer are the same or different, and different impurities can be adsorbed when the types are different.
The filter cartridge shown in the embodiment has a simple structure, has the functions of dust removal and impurity removal, and can improve the efficiency of gas treatment; because no additional desulphurization and dechlorination equipment is needed, the cost and the occupied area are saved. And the contact surface of the filter material and the coal gas is increased, the circulation area of the coal gas is increased, and the dust removal efficiency is improved.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (12)
1. A combined type purification filter cylinder comprises a filter cylinder body and is characterized in that: the filter cartridge body is of an inverted cone structure which is gradually thinned from top to bottom, the filter cartridge body comprises an adsorption layer and a dust removal filtering layer which are arranged inside and outside, and the adsorption layer is positioned on the inner side of the dust removal filtering layer.
2. The composite purification cartridge of claim 1, wherein: the filter cartridge body comprises an outer sleeve and an inner sleeve which are provided with air permeable pores, the inner sleeve and the outer sleeve are of inverted cone structures with thick tops and thin bottoms, the outer sleeve is a dedusting filter material, a containing cavity for containing an adsorbent is formed between the outer sleeve and the inner sleeve, and the containing cavity is filled with the adsorbent.
3. The composite purification cartridge of claim 2, wherein: the outer sleeve is a metal filter material, a ceramic filter material or a fiber filter material.
4. The composite purification cartridge of claim 2, wherein: the outer sleeve is a cloth bag, a framework or a sleeve with an opening is arranged on the inner side of the outer sleeve, and the outer sleeve is supported outside the framework or the sleeve.
5. The composite purification cartridge of claim 2, wherein: the inner sleeve is a Johnson net, or the inner sleeve is composed of a porous net pipe and a silk net.
6. The composite purification cartridge of claim 2, wherein: the opening rate of the inner sleeve is more than or equal to 30 percent.
7. The composite purification cartridge of claim 2, wherein: the sizes of the air-permeable pores of the outer sleeve and the inner sleeve are smaller than the particle size of the adsorbent.
8. The composite purification cartridge of any of claims 2-7, wherein: the lower extreme of endotheca is sealed through first closing plate, the upper and lower extreme of straining a section of thick bamboo all is provided with the apron that is used for sealed chamber that holds.
9. The composite purification cartridge of any of claims 2-7, wherein: the filter cartridge body further comprises an inner supporting tube used for mounting the inner sleeve and an outer supporting tube used for mounting the outer sleeve, the inner supporting tube is connected with the outer supporting tube through an intermediate connecting piece, the inner sleeve is connected to the lower end of the inner supporting tube, the outer sleeve is connected to the lower end of the outer supporting tube, and a connecting portion used for being mounted to the outside is arranged on the inner supporting tube or the outer supporting tube.
10. The composite purification cartridge of claim 9, wherein: the upper end of the accommodating cavity is sealed through a cover plate, or an adsorbent is filled between the inner supporting tube and the outer supporting tube, the filling height of the adsorbent between the inner supporting tube and the outer supporting tube is larger than the thickness of the adsorption layer, and the upper end of the accommodating cavity is sealed through the adsorbent; the lower end of the inner sleeve is sealed through a first sealing plate, the lower end of the filter cartridge body is provided with a second sealing plate which can be opened and closed, and the lower end of the accommodating cavity is sealed through the second sealing plate.
11. The composite purification cartridge of claim 2, wherein: the adsorbent is a granular degreasing agent, a deoxidizer, a hydrolytic agent, a dechlorination adsorbent, a desulfurization adsorbent or a catalyst.
12. The composite purification cartridge of claim 1, wherein: the adsorption layer is one layer to multiple layers, and when the adsorption layer is at least two layers, the types of adsorbents in each layer are the same or different.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121772169.0U CN215585794U (en) | 2021-07-30 | 2021-07-30 | Composite purifying filter cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121772169.0U CN215585794U (en) | 2021-07-30 | 2021-07-30 | Composite purifying filter cylinder |
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| CN215585794U true CN215585794U (en) | 2022-01-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618297A (en) * | 2022-04-15 | 2022-06-14 | 深圳市凯盛科技工程有限公司 | Manufacturing method, device and system of flue gas treatment device |
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2021
- 2021-07-30 CN CN202121772169.0U patent/CN215585794U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618297A (en) * | 2022-04-15 | 2022-06-14 | 深圳市凯盛科技工程有限公司 | Manufacturing method, device and system of flue gas treatment device |
| CN114618297B (en) * | 2022-04-15 | 2023-11-17 | 深圳凯盛科技工程有限公司 | Manufacturing method, device and system of flue gas treatment device |
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