CN213733842U - Glass fiber needled felt capable of adsorbing high-temperature flue gas - Google Patents
Glass fiber needled felt capable of adsorbing high-temperature flue gas Download PDFInfo
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- CN213733842U CN213733842U CN202021473362.XU CN202021473362U CN213733842U CN 213733842 U CN213733842 U CN 213733842U CN 202021473362 U CN202021473362 U CN 202021473362U CN 213733842 U CN213733842 U CN 213733842U
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- polytetrafluoroethylene film
- flue gas
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Abstract
The utility model discloses a glass fiber needled felt capable of adsorbing high-temperature flue gas, in particular to the technical field of needled felt, which comprises a glass fiber layer and a base fabric, wherein the top and the bottom of the glass fiber layer are both provided with a waterproof ventilating mechanism; waterproof ventilative mechanism includes first support, first support bottom is equipped with first polytetrafluoroethylene film, first support top and bottom all are equipped with a plurality of first viscose, the fixed filter screen that is equipped with in glass fiber layer top, the filter screen top is equipped with the second support, second support top is equipped with second polytetrafluoroethylene film, second support top and bottom all bond and have a plurality of second viscose. The utility model discloses an utilize first support and second support to reduce the area of contact of first viscose, second viscose and first polytetrafluoroethylene film, second polytetrafluoroethylene film, thereby can guarantee the utility model discloses can normally breathe freely.
Description
Technical Field
The embodiment of the utility model provides a relate to needled felt technical field, concretely relates to glass fiber needled felt of adsorbable high temperature flue gas.
Background
The needled felt is a fine fiber cloth which is arranged by fibers in a staggered way and has uniformly distributed gaps by adopting a non-woven needling process, has the characteristics of small aperture, high strength, corrosion resistance and high filtering load, and is mainly used for smoke prevention and dust control in the industries of metallurgy, steel chemical industry, food, building materials, petroleum grain processing and the like.
In order to improve the waterproofness of the needled felt in the prior art, one side of viscose can be directly brushed at the bottom of the polytetrafluoroethylene membrane, so that the viscose can be adhered to the surface of the needled felt, but the existence of the viscose can block through holes in the polytetrafluoroethylene membrane, and the contact area of the viscose, the polytetrafluoroethylene membrane and the needled felt is large, so that the air permeability of the needled felt is easily influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a but glass fiber acupuncture felt of adsorbable high temperature flue gas reduces the area of contact of first viscose, second viscose and first polytetrafluoroethylene film, second polytetrafluoroethylene film through utilizing first support and second support, thereby can guarantee the utility model discloses can normally breathe freely to solve among the prior art because the viscose blocks up the problem of the influence gas permeability that the through-hole leads to.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the glass fiber needled felt capable of adsorbing the high-temperature flue gas comprises a glass fiber layer and a base fabric, wherein the base fabric is fixedly arranged at the bottom of the glass fiber layer, and waterproof and breathable mechanisms are arranged at the top and the bottom of the glass fiber layer;
waterproof ventilative mechanism includes first support, first support is erect in the backer bottom, a plurality of first through-holes have been seted up on the first support, first support bottom is equipped with first polytetrafluoroethylene film, first support top and bottom all are equipped with a plurality of first viscose, and are a plurality of first viscose adheres mutually with backer bottom and first polytetrafluoroethylene film top respectively, the fixed filter screen that is equipped with in glass fiber layer top, the filter screen top is equipped with the second support, second support top is equipped with second polytetrafluoroethylene film, a plurality of second through-holes have been seted up on the second support, second support top and bottom all bond and have a plurality of second viscose, and are a plurality of the second viscose adheres mutually with second polytetrafluoroethylene film bottom and filter screen top respectively.
Furthermore, a plurality of third cavities are arranged between the base cloth and the first support, and the third cavities are communicated with the first through holes.
Furthermore, a plurality of fourth cavities are arranged between the first support and the first polytetrafluoroethylene film, and the fourth cavities are communicated with the first through hole and the third cavity.
Furthermore, a plurality of first cavities are arranged between the second bracket and the second polytetrafluoroethylene film, and the first cavities are communicated with the second through holes.
Further, a plurality of second cavities are arranged between the second support and the filter screen, and the second cavities are communicated with the second through holes and the first cavities.
Further, the first bracket and the second bracket are both made of silicon rubber, so that the first bracket and the second bracket can have elasticity and high temperature resistance.
Furthermore, a plurality of third through holes are formed in the base fabric.
The embodiment of the utility model provides a have following advantage:
the utility model fixes the first polytetrafluoroethylene film on the bottom of the base fabric by utilizing the first bracket and the first adhesive, so as to reduce the contact area between the first adhesive and the first polytetrafluoroethylene film and the base fabric, and a plurality of first through holes are arranged on the first bracket, the first cavity is communicated with the second cavity, the second polytetrafluoroethylene film is bonded on the top of the filter screen by using the second bracket and the second adhesive, and the second bracket is provided with a plurality of second through holes so that the third cavity and the fourth cavity can be communicated, compared with the prior art, the blockage of the second polytetrafluoroethylene film by the second adhesive is effectively reduced, the blockage of the first polytetrafluoroethylene film by the first adhesive is also effectively reduced, thereby can effectual reduction second viscose and first viscose right the utility model discloses the influence of gas permeability makes the utility model discloses can normally filter gas.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a perspective view of the glass fiber layer, the bottom and the filter screen provided by the present invention;
fig. 3 is a schematic structural view of a second bracket provided by the present invention;
fig. 4 is an enlarged view of a in fig. 1 provided by the present invention;
fig. 5 is an enlarged view of B in fig. 1 according to the present invention.
In the figure: the filter comprises a glass fiber layer 1, a base fabric 2, a first support 3, a first adhesive 4, a first through hole 5, a first polytetrafluoroethylene film 6, a filter screen 7, a second support 8, a second adhesive 9, a second through hole 10, a second polytetrafluoroethylene film 11, a first cavity 12, a second cavity 13, a third cavity 14 and a fourth cavity 15.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-5 in the specification, the glass fiber needled felt capable of adsorbing high-temperature flue gas comprises a glass fiber layer 1 and a base fabric 2, wherein the base fabric 2 is fixedly arranged at the bottom of the glass fiber layer 1, and the top and the bottom of the glass fiber layer 1 are both provided with a waterproof ventilating mechanism;
the waterproof and breathable mechanism comprises a first bracket 3, the first bracket 3 is arranged at the bottom of the base fabric 2, a plurality of first through holes 5 are arranged on the first bracket 3, a first polytetrafluoroethylene film 6 is arranged at the bottom of the first bracket 3, the top and the bottom of the first bracket 3 are both provided with a plurality of first viscose glue 4, the first viscose glue 4 is respectively adhered with the bottom of the base fabric 2 and the top of the first polytetrafluoroethylene film 6, a filter screen 7 is fixedly arranged at the top of the glass fiber layer 1, a second bracket 8 is arranged at the top of the filter screen 7, a second polytetrafluoroethylene film 11 is arranged at the top of the second bracket 8, a plurality of second through holes 10 are arranged on the second bracket 8, and a plurality of second viscose glue 9 are respectively bonded at the top and the bottom of the second support 8, and the second viscose glue 9 is respectively bonded with the bottom of the second polytetrafluoroethylene film 11 and the top of the filter screen 7.
Furthermore, a plurality of third cavities 14 are arranged between the base fabric 2 and the first support 3, and the third cavities 14 are communicated with the first through holes 5, so that smoke can conveniently pass through the base fabric 2 and move into the first through holes 5.
Further, be equipped with a plurality of fourth cavities 15 between first support 3 and the first polytetrafluoroethylene film 6, fourth cavity 15 is linked together with first through-hole 5, third cavity 14, and the flue gas of being convenient for moves inside fourth cavity 15 to it is inside to move first polytetrafluoroethylene film 6 through fourth cavity 15, in order to improve the gas permeability of first support 3.
Further, a plurality of first cavities 12 are arranged between the second support 8 and the second polytetrafluoroethylene film 11, and the first cavities 12 are communicated with the second through holes 10, so that the smoke can move into the second through holes 10 conveniently.
Further, be equipped with a plurality of second cavities 13 between second support 8 and the filter screen 7, second cavity 13 is linked together with second through-hole 10, first cavity 12, and the flue gas of being convenient for passes second through-hole 10, in order to improve the utility model discloses an air permeability.
Further, first support 3 and second support 8 are all made by silicon rubber for first support 3 and second support 8 can have elasticity and high temperature resistance, in order to make things convenient for the extrusion the utility model discloses.
Furthermore, a plurality of third through holes are formed in the base fabric 2, which is beneficial to improving the air permeability of the base fabric 2.
The implementation scenario is specifically as follows: when the utility model is used, the second PTFE film 11 is required to face the smoke to be filtered, then the smoke passes through the second PTFE film 11 and moves to the inside of the first cavity 12, then moves to the inside of the second through hole 10 from the inside of the first cavity 12 and moves to the inside of the second cavity 13 through the second through hole 10, then the smoke moves to the inside of the filter screen 7 through the second cavity 13 and passes through the filter screen 7, so that the filter screen 7 can filter out the solid particles carried in partial smoke, thereby improving the filtering effect of the utility model, moreover, the second bracket 8 is adhered between the second PTFE film 11 and the filter screen 7 through the second viscose 9 at the top and the bottom, but the contact area between the second viscose 9 and the second PTFE film 11 and the filter screen 7 is smaller, thereby effectively reducing the influence of the second viscose 9 on the air permeability of the second PTFE film 11 and the filter screen 7, make gas can pass second polytetrafluoroethylene film 11, second through-hole 10 and filter screen 7 smoothly and remove to inside glass fiber layer 1, then gas is at the in-process that passes glass fiber layer 1, glass fiber layer 1 can filter the impurity in the flue gas, thereby can carry out abundant purification to the flue gas, so as to prevent its polluted environment, then gas can pass glass fiber layer 1 and remove to inside backer 2, and remove to inside third cavity 14 through the third through-hole, then gas can pass first through-hole 5 and remove to inside fourth cavity 15, finally the flue gas can pass first polytetrafluoroethylene film 6 and remove the utility model discloses the outside, in order to realize the filtration to the flue gas, and first support 3 also fixes itself between backer 2 and first polytetrafluoroethylene film 6 through first viscose 4 of top and bottom, but first viscose 4 and backer 2, The area of contact of first polytetrafluoroethylene film 6 is all smaller, so can effectual reduction first viscose 4 to the influence of backer 2 and the gas permeability of first polytetrafluoroethylene film 6 for the flue gas can pass backer 2 and first polytetrafluoroethylene film 6 smoothly, makes second polytetrafluoroethylene film 11 and first polytetrafluoroethylene film 6 improve the utility model discloses in the time of waterproof nature, can also avoid its influence to the gas permeability, this embodiment has specifically solved the problem of the influence gas permeability that the viscose blockked up the through-hole and leads to among the prior art.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. The utility model provides a glass fiber needled felt of adsorbable high temperature flue gas, includes glass fiber layer (1) and backer (2), backer (2) are fixed to be established in glass fiber layer (1) bottom, its characterized in that: the top and the bottom of the glass fiber layer (1) are provided with waterproof and breathable mechanisms;
the waterproof and breathable mechanism comprises a first support (3), the first support (3) is arranged at the bottom of a base fabric (2), a plurality of first through holes (5) are formed in the first support (3), a first polytetrafluoroethylene film (6) is arranged at the bottom of the first support (3), a plurality of first adhesives (4) are arranged at the top and the bottom of the first support (3), the first adhesives (4) are respectively adhered to the bottom of the base fabric (2) and the top of the first polytetrafluoroethylene film (6), a filter screen (7) is fixedly arranged at the top of a glass fiber layer (1), a second support (8) is arranged at the top of the filter screen (7), a second polytetrafluoroethylene film (11) is arranged at the top of the second support (8), a plurality of second through holes (10) are formed in the second support (8), a plurality of second adhesives (9) are arranged at the top and the bottom of the second support (8), and a plurality of second adhesive (9) are respectively adhered to the bottom of the second polytetrafluoroethylene film (11) and the top of the filter screen (7).
2. The glass fiber needled felt capable of adsorbing high-temperature flue gas as claimed in claim 1, wherein: a plurality of third cavities (14) are arranged between the base fabric (2) and the first support (3), and the third cavities (14) are communicated with the first through holes (5).
3. The glass fiber needled felt capable of adsorbing high-temperature flue gas as claimed in claim 2, wherein: a plurality of fourth cavities (15) are arranged between the first support (3) and the first polytetrafluoroethylene film (6), and the fourth cavities (15) are communicated with the first through hole (5) and the third cavity (14).
4. The glass fiber needled felt capable of adsorbing high-temperature flue gas as claimed in claim 1, wherein: a plurality of first cavities (12) are arranged between the second support (8) and the second polytetrafluoroethylene film (11), and the first cavities (12) are communicated with the second through holes (10).
5. The glass fiber needled felt capable of adsorbing high-temperature flue gas as claimed in claim 4, wherein: a plurality of second cavities (13) are arranged between the second support (8) and the filter screen (7), and the second cavities (13) are communicated with the second through holes (10) and the first cavities (12).
6. The glass fiber needled felt capable of adsorbing high-temperature flue gas as claimed in claim 1, wherein: the first support (3) and the second support (8) are both made of silicon rubber.
7. The glass fiber needled felt capable of adsorbing high-temperature flue gas as claimed in claim 1, wherein: the base fabric (2) is internally provided with a plurality of third through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021473362.XU CN213733842U (en) | 2020-07-23 | 2020-07-23 | Glass fiber needled felt capable of adsorbing high-temperature flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021473362.XU CN213733842U (en) | 2020-07-23 | 2020-07-23 | Glass fiber needled felt capable of adsorbing high-temperature flue gas |
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| Publication Number | Publication Date |
|---|---|
| CN213733842U true CN213733842U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021473362.XU Active CN213733842U (en) | 2020-07-23 | 2020-07-23 | Glass fiber needled felt capable of adsorbing high-temperature flue gas |
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| CN (1) | CN213733842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117863674A (en) * | 2024-02-27 | 2024-04-12 | 广东九嘉通讯科技有限公司 | Waterproof breathable composite film and preparation method thereof |
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2020
- 2020-07-23 CN CN202021473362.XU patent/CN213733842U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117863674A (en) * | 2024-02-27 | 2024-04-12 | 广东九嘉通讯科技有限公司 | Waterproof breathable composite film and preparation method thereof |
| CN117863674B (en) * | 2024-02-27 | 2024-06-07 | 广东九嘉通讯科技有限公司 | Waterproof breathable composite film and preparation method thereof |
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