CN211105989U - Corrosion-resistant composite dust-removing filter bag - Google Patents
Corrosion-resistant composite dust-removing filter bag Download PDFInfo
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- CN211105989U CN211105989U CN201921656221.9U CN201921656221U CN211105989U CN 211105989 U CN211105989 U CN 211105989U CN 201921656221 U CN201921656221 U CN 201921656221U CN 211105989 U CN211105989 U CN 211105989U
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Abstract
The utility model relates to a dust removal filter bag technical field specifically is an anticorrosive compound dust removal filter bag, including filter bag support and filter bag, it is fixed by the shock bar group connection between top frame, support ring and the underframe in the filter bag support, and the outside cover of filter bag support is equipped with the filter bag, and beneficial effect is: in the utility model, the top frame, the support ring and the bottom frame in the filter bag support are fixedly connected by the vibration rod group, when blowing and blowing dust to the filter bag, the vibration spring in the vibration rod group vibrates to make the telescopic action between the loop bar and the inner rod, which is favorable for shaking off the dust adhered to the outer wall of the filter bag; the filter bag is formed by compounding a filter bag bottom layer, an anti-drop layer, an anti-static layer and a microporous film, and has good high-temperature resistance, corrosion resistance, static resistance, easy ash removal, water repellency and oil resistance.
Description
Technical Field
The utility model relates to a dust removal filter bag technical field specifically is an anticorrosive compound dust removal filter bag.
Background
The bag type dust collector is widely applied to a flue gas treatment and dust removal system of an iron and steel plant, an iron and alloy plant, a refractory plant, a foundry, a power plant and the like, and is used for separating dust from flue gas. Common filter bags are usually made of a single fiber surface layer, and are easily affected by high temperature, corrosion, static electricity and the like, so that the service life of the filter bag is shortened or the dust removal effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anticorrosive compound dust bag to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anticorrosive compound dust removal filter bag, includes filter bag support and filter bag, the filter bag support includes top frame, support ring, underframe and shock bar group, is provided with 2-3 support rings between top frame and the underframe, and fixed by 4-6 group's shock bar group link between top frame, support ring and the underframe, the outside cover of filter bag support is equipped with the filter bag, and the filter bag comprises filter bag bottom, anti-drop layer, antistatic backing and micropore tectorial membrane are compound, and the surface of hugging closely the filter bag bottom is equipped with the anti-drop layer, and the surface of hugging closely the anti-drop layer is equipped with the antistatic backing, and the surface of hugging closely the antistatic backing is equipped with the.
Preferably, the vibration rod group comprises a loop bar and an inner rod, a telescopic inner cavity is formed in the lower end of the loop bar, the inner rod is inserted in the telescopic inner cavity in a matched mode, and a vibration spring is connected between the inner rod and the inside of the telescopic inner cavity.
Preferably, the bottom layer of the filter bag is formed by compounding and weaving polyphenylene sulfide fibers and polyimide fibers, and the thickness of the bottom layer of the filter bag is 0.2-0.5 mm.
Preferably, the anti-dropping layer is formed by weaving polyimide fibers, and the thickness of the anti-dropping layer is 0.1-0.2 mm.
Preferably, the antistatic layer is formed by weaving glass fiber warps and conductive fiber yarns, and the thickness of the antistatic layer is 0.2-0.3 mm.
Preferably, the microporous coating is formed on the surface of the antistatic layer by expanding and compounding polytetrafluoroethylene, the surface of the microporous coating is provided with filtration pores accounting for 80% of the surface area, and the pore diameter of the filtration pores is 1-2 μm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, the top frame, the support ring and the bottom frame in the filter bag support are fixedly connected by the vibration rod group, when blowing and blowing dust to the filter bag, the vibration spring in the vibration rod group vibrates to make the telescopic action between the loop bar and the inner rod, which is favorable for shaking off the dust adhered to the outer wall of the filter bag;
2. the utility model discloses in, the filter bag comprises filter bag bottom, anti-drop layer, antistatic backing and the compound micropore tectorial membrane, has good high temperature resistant, corrosion-resistant and antistatic, easy deashing and refuse the water grease proofing performance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is a schematic structural diagram of the middle filter bag of the present invention.
In the figure: the filter bag comprises a filter bag support 1, a filter bag 2, a filter bag bottom layer 21, an anti-falling layer 22, an anti-static layer 23, a microporous film 24, a top frame 3, a support ring 4, a bottom frame 5, a vibration rod group 6, a loop bar 61, a telescopic inner cavity 62, an inner rod 63 and filter holes 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: an anti-corrosion composite dust-removing filter bag comprises a filter bag support 1 and a filter bag 2, wherein the filter bag support 1 comprises a top frame 3, support rings 4, a bottom frame 5 and a vibration rod group 6, 2-3 support rings 4 are arranged between the top frame 3 and the bottom frame 5, and 4-6 groups of vibration rod groups 6 are connected and fixed among the top frame 3, the support ring 4 and the bottom frame 5, as shown in the combined figure 2 and figure 3, the vibration rod group 6 comprises a loop bar 61 and an inner bar 63, a telescopic inner cavity 62 is arranged in the lower end of the loop bar 61, an inner rod 63 is inserted in the telescopic inner cavity 62 in a matching way, a vibration spring is connected between the inner rod 63 and the inner part of the telescopic inner cavity 62, a filter bag 2 is sleeved outside the filter bag bracket 1, when blowing and blowing dust to the filter bag 2, the vibration spring in the vibration rod group 6 vibrates to enable the sleeve rod 61 and the inner rod 63 to stretch and retract, so that the sticky dust on the outer wall of the filter bag 2 can be shaken off.
As shown in fig. 3, the filter bag 2 is formed by compounding a filter bag bottom layer 21, an anti-shedding layer 22, an anti-static layer 23 and a microporous coating film 24, the filter bag bottom layer 21 is formed by compounding and weaving polyphenylene sulfide fibers and polyimide fibers, the thickness of the filter bag bottom layer 21 is 0.2-0.5mm, the filter bag bottom layer 21 formed by compounding and weaving the polyphenylene sulfide fibers and the polyimide fibers has more excellent wear resistance, and the polyphenylene sulfide fibers and the polyimide fibers have various advantages of high temperature resistance, good filterability, acid and alkali resistance and the like, and are suitable for a high-temperature filtering environment.
As shown in fig. 3, the anti-drop layer 22 is closely attached to the outer surface of the filter bag bottom layer 21, the anti-drop layer 22 is formed by weaving polyimide fibers, the thickness of the anti-drop layer 22 is 0.1-0.2mm, for a polyimide fiber product, the polyimide fiber product has a unique fiber structure with an irregular blade-shaped cross section, the irregular fiber cross section naturally curls due to different internal stresses and uneven distribution, so that the fibers have strong cohesive entanglement force, and when the wind speed is increased, the anti-drop layer 22, the filter bag bottom layer 21 and the anti-static layer 23 are not easy to drop.
As shown in figure 3, the anti-static layer 23 is arranged on the outer surface close to the anti-drop layer 22, the anti-static layer 23 is formed by weaving glass fiber warp yarns and conductive fiber yarns, the anti-static layer has an anti-static effect, dust is prevented from being adhered to the outer wall of the filter bag 2 and is not easy to drop, and the thickness of the anti-static layer 23 is 0.2-0.3 mm.
As shown in fig. 3, a microporous coating 24 is disposed on the outer surface of the anti-static layer 23, the microporous coating 24 is formed on the surface of the anti-static layer 23 by expanding polytetrafluoroethylene, the surface of the microporous coating 24 is provided with filtration pores 7 occupying 80% of the surface area, the pore diameter of the filtration pores 7 is 1-2 μm, so as to block fine dust, and the microporous coating has a superior dust filtering effect, and the polytetrafluoroethylene has many advantages of good chemical stability, atmospheric aging resistance, irradiation resistance, low permeability, and the like, so as to effectively prevent the surface of the filter bag 2 from being corroded, and the microporous coating 24 enables the outer surface of the filter bag 2 to have the performance of easy dust removal (fast dust stripping), water repellency and oil resistance (anti-dew.
The working principle is as follows: in the utility model, the top frame 3, the support ring 4 and the bottom frame 5 in the filter bag support 1 are fixedly connected by the vibration rod group 6, when blowing and blowing dust to the filter bag 2, the vibration spring inside the vibration rod group 6 vibrates to make the telescopic action between the loop bar 61 and the inner rod 63, which is favorable for shaking off the dust adhered to the outer wall of the filter bag 2; in the utility model, the filter bag 2 is composed of a filter bag bottom layer 21, an anti-drop layer 22, an anti-static layer 23 and a micropore tectorial membrane 24, the filter bag bottom layer 21 is composed of polyphenylene sulfide fiber and polyimide fiber by composite weaving, and the filter bag has the performances of wear resistance, high temperature resistance, acid and alkali resistance and the like; the anti-falling layer 22 is used as a transition layer of the filter bag bottom layer 21 and the anti-static layer 23, has strong cohesive entanglement force, and enables the anti-falling layer 22, the filter bag bottom layer 21 and the anti-static layer 23 not to fall off easily when the wind speed is increased; the antistatic layer 23 is formed by weaving glass fiber warps and conductive fiber yarns, and has an antistatic effect; the microporous coating 24 has good chemical stability, atmospheric aging resistance, irradiation resistance and lower permeability, so that the outer surface of the filter bag 2 has the performance of easy ash removal, water repellency and oil resistance.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an anticorrosive compound dust removal filter bag, includes filter bag support (1) and filter bag (2), its characterized in that: the filter bag support (1) comprises a top frame (3), support rings (4), a bottom frame (5) and a vibration rod set (6), wherein 2-3 support rings (4) are arranged between the top frame (3) and the bottom frame (5), the top frame (3), the support rings (4) and the bottom frame (5) are fixedly connected through 4-6 vibration rod sets (6), the filter bag support (1) is externally sleeved with a filter bag (2), the filter bag (2) is formed by combining a filter bag bottom layer (21), an anti-drop layer (22), an anti-static layer (23) and a micropore covering film (24), the outer surface tightly attached to the filter bag bottom layer (21) is provided with the anti-drop layer (22), the outer surface tightly attached to the anti-drop layer (22) is provided with the anti-static layer (23), and the outer surface tightly attached to the anti-static layer (23) is provided with the micropore covering film.
2. The corrosion-resistant composite dust removal filter bag according to claim 1, wherein: the vibration rod group (6) comprises a loop bar (61) and an inner rod (63), a telescopic inner cavity (62) is formed in the lower end of the loop bar (61), the inner rod (63) is inserted in the telescopic inner cavity (62) in a matched mode, and a vibration spring is connected between the inner rod (63) and the telescopic inner cavity (62).
3. The corrosion-resistant composite dust removal filter bag according to claim 1, wherein: the filter bag bottom layer (21) is formed by compounding and weaving polyphenylene sulfide fibers and polyimide fibers, and the thickness of the filter bag bottom layer (21) is 0.2-0.5 mm.
4. The corrosion-resistant composite dust removal filter bag according to claim 1, wherein: the anti-falling layer (22) is formed by weaving polyimide fibers, and the thickness of the anti-falling layer (22) is 0.1-0.2 mm.
5. The corrosion-resistant composite dust removal filter bag according to claim 1, wherein: the anti-static layer (23) is formed by weaving glass fiber warps and conductive fiber yarns, and the thickness of the anti-static layer (23) is 0.2-0.3 mm.
6. The corrosion-resistant composite dust removal filter bag according to claim 1, wherein: the microporous coating (24) is formed by expanding and compounding polytetrafluoroethylene on the surface of the anti-static layer (23), filter pores (7) accounting for 80% of the surface area are formed in the surface of the microporous coating (24), and the pore diameter of each filter pore (7) is 1-2 microns.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656221.9U CN211105989U (en) | 2019-09-30 | 2019-09-30 | Corrosion-resistant composite dust-removing filter bag |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921656221.9U CN211105989U (en) | 2019-09-30 | 2019-09-30 | Corrosion-resistant composite dust-removing filter bag |
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| CN211105989U true CN211105989U (en) | 2020-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113952797A (en) * | 2021-11-12 | 2022-01-21 | 重庆梦姿蓝科技有限公司 | Environment-friendly filter bag frame |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113952797A (en) * | 2021-11-12 | 2022-01-21 | 重庆梦姿蓝科技有限公司 | Environment-friendly filter bag frame |
| CN113952797B (en) * | 2021-11-12 | 2022-10-11 | 盐城明珠包装材料有限公司 | Environment-friendly filter bag frame |
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