CN213159811U - High-temperature-resistant basalt fiber needled felt filtering bag capable of stroking super - Google Patents
High-temperature-resistant basalt fiber needled felt filtering bag capable of stroking super Download PDFInfo
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- CN213159811U CN213159811U CN202021406064.9U CN202021406064U CN213159811U CN 213159811 U CN213159811 U CN 213159811U CN 202021406064 U CN202021406064 U CN 202021406064U CN 213159811 U CN213159811 U CN 213159811U
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Abstract
The embodiment of the utility model discloses a high temperature resistant basalt fiber acupuncture felt filter bag, which relates to the technical field of environmental protection filtration, the filter bag comprises a plurality of cylindrical bag body units, and the sides of the bag body units are sequentially connected into an annular body through sewing threads; the middle of the annular body is provided with a through cavity; one end of the bag body unit is provided with a bag opening, and the other end of the bag body unit is provided with a bag bottom; the bag body unit comprises an inner layer and an outer layer, and the inner layer and the outer layer are sewn into a whole through needling; the inner layer is formed by weaving composite fibers made of basalt fibers and polytetrafluoroethylene fibers, and comprises a first base cloth, a felt net and a second base cloth which are sequentially connected from inside to outside. The filter bag of the embodiment of the utility model is assembled into an annular body by a plurality of cylindrical bag body units, thereby greatly increasing the filtering area of the filter bag; the inner layer of the filter bag is prepared from composite fibers made of basalt fibers and polytetrafluoroethylene fibers, so that the filter bag has the advantages of high temperature resistance, acid and alkali resistance, moisture resistance, high strength and the like.
Description
Technical Field
The embodiment of the utility model provides a relate to environmental protection filtration technology field, concretely relates to high temperature resistant surpasses basalt fiber acupuncture felt filter bag.
Background
The dust-removing filter bag is an important component of the bag-type dust collector, and purified gas enters the box body through the filter bag and is discharged from the air outlet. However, the working environment of some dust filter bags is in a high-temperature environment, and the common dust filter bag cannot adapt to the working environment.
In addition, the high-temperature resistant dust filter bag is made of base cloth which generally comprises medium-alkali glass fibers and alkali-free glass fibers in inorganic fibers, or polyphenylene sulfide fibers, polytetrafluoroethylene fibers, polysulfonamide fibers, polyimide fibers and the like with high temperature resistance in chemical fibers, the service temperature of the fibers is below 260 ℃, and the high-temperature resistant chemical fibers are very expensive, so that the production cost of the high-temperature resistant filter bag is too high.
The basalt fiber is a novel high-performance inorganic fiber prepared by taking natural basalt ore as a raw material through a wire drawing process, and the diameter of the novel high-performance inorganic fiber is generally 7-13 mu m. The basalt fiber has better temperature resistance and acid and alkali resistance than glass fiber and other organic fibers, has the characteristics of no toxicity and harm to the environment, good high and low temperature resistance, high modulus, insulativity and the like, is low in price, and has good application prospect in the field of high-temperature filter materials.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a high temperature resistant surpasses basalt fiber acupuncture felt filter bag to there are single structure, filter area is little, filtration efficiency is low, the high price scheduling problem in solving current high temperature filter bag.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to the first aspect of the embodiment of the utility model, the high temperature resistant basalt fiber acupuncture felt filter bag comprises a plurality of cylindrical bag body units, and the side surfaces of the bag body units are sequentially connected into an annular body through sewing threads; the middle of the annular body is provided with a through cavity; one end of the bag body unit is provided with a bag opening, and the other end of the bag body unit is provided with a bag bottom; the bag body unit comprises an inner layer and an outer layer, and the inner layer and the outer layer are sewn into a whole through needling; the inner layer is formed by weaving composite fibers made of basalt fibers and polytetrafluoroethylene fibers, and comprises a first base cloth, a felt net and a second base cloth which are sequentially connected from inside to outside. Further, the inner layer and the outer layer have the same structure.
Through the technical scheme, the filter bag is formed by assembling the cylindrical bag body units into an annular body, and gas to be filtered is filtered by the filter bag from the through cavity and other spaces outside the bag body units and then is changed into clean gas to be discharged from the inner cavity of the bag body unit; the strength of the filter bag can be improved by arranging the double-layer structure of the inner layer and the outer layer, the inner layer is formed by the three-layer structure, the strength of the filter bag can be further improved, and the service life of the filter bag can be further prolonged; the inner layer of the filter bag is prepared from the composite fiber prepared from the basalt fiber and the polytetrafluoroethylene fiber, the defects of no fiber curl, difficult processing and the like existing in the process of independently spinning the basalt fiber are overcome, the prepared filter bag has the advantages of high temperature resistance, acid and alkali resistance, moisture resistance, high strength and the like, the strength loss rate can be greatly reduced at the high temperature of 300-350 ℃, and the service life of the filter bag is prolonged.
Further, the bag body unit is of a rhombic cylinder structure, an oval cylinder structure or a pentagonal cylinder structure.
Through above-mentioned technical scheme, make things convenient for the formation of annular body.
Further, the number of the bag body units is 8-12.
Through above-mentioned technical scheme, can further increase the filter area of filter bag, improve filtration efficiency.
Furthermore, a rigid clamping ring is arranged on the bag opening, the shape of the rigid clamping ring is consistent with that of the bag opening, and the rigid clamping ring is wrapped by wrapping cloth and sewn on the bag opening.
Through above-mentioned technical scheme, can increase the rigidity of sack department, avoid the sack atress extrusion and warp.
Furthermore, a plurality of longitudinal reinforcing ribs are arranged in the bag body unit.
Through above-mentioned technical scheme, can further increase the mechanical strength of filter bag, prevent that the filter bag from taking place deformation in the course of the work.
Further, the twist of the composite fiber is 100-350 twist.
Further, the basalt fibers account for 50-99% of the composite fibers; the polytetrafluoroethylene fiber accounts for 1-50% of the composite fiber.
Further, the diameter of the basalt fiber is 5-13 microns; the polytetrafluoroethylene fibers have a diameter of 1-50 microns.
Further, the first base cloth or the second base cloth is twill or plain.
Through above-mentioned technical scheme, first base cloth and second base cloth provide effectual supporting role in the filter bag filtration process. Adopt two-layer base cloth to make the filter bag more stable, improve its life, the design of twill or plain weave is more favorable to laying of felt-net.
Further, the felt is formed by cross-lapping.
By adopting the technical scheme, the longitudinal and transverse strength of the felt net can be equivalent by adopting a cross lapping mode.
The embodiment of the utility model provides a have following advantage:
the high-temperature-resistant basalt fiber needled felt filter bag disclosed by the embodiment of the utility model is an annular body assembled by a plurality of cylindrical bag body units, so that the filtering area of the filter bag is greatly increased, and the filtering efficiency is improved; the inner layer of the filter bag is prepared by adopting the composite fiber prepared from the basalt fiber and the polytetrafluoroethylene fiber, so that the defects of no fiber curl, difficult processing and the like existing in the process of independently spinning the basalt fiber are overcome, and the prepared filter bag has the advantages of high temperature resistance, acid and alkali resistance, moisture resistance, high strength and the like; set up the intensity that inlayer and outer bilayer structure can improve the filter bag, the inlayer comprises three layer construction, can further improve the intensity of filter bag, and then can prolong the life of filter bag.
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 a three-dimensional structure of a high temperature resistant basalt fiber needled felt filter bag provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an inner layer provided in embodiment 1 of the present invention;
fig. 3 is a schematic perspective view of a bag unit provided in embodiment 2 of the present invention;
in the figure: the bag comprises a bag body unit 1, a cavity 2, wrapping cloth 3, longitudinal reinforcing ribs 4, a bag opening 11, a bag bottom 12, a first base cloth 5, a felt net 6, a second base cloth 7 and a rigid clamping ring 111.
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.
Example 1
The high-temperature-resistant super basalt fiber needled felt filter bag shown in fig. 1-2 comprises 8 cylindrical bag units 1, wherein the bag units 1 are rhombic cylinders, and the side surfaces of the 8 bag units 1 are sequentially connected into annular bodies through sewing threads; the middle of the annular body is provided with a through cavity 2, and the side surfaces of 8 bag body units 1 are connected into a flower-shaped annular body along the diamond diagonal point, so that the connecting mode can enlarge the use area of the cavity 2 and facilitate more gas to pass through; one end of the bag body unit 1 is provided with a bag opening 11, and the other end is provided with a bag bottom 12.
The bag body unit 1 comprises an inner layer and an outer layer, the structures of the inner layer and the outer layer are the same, and the inner layer and the outer layer are sewn into a whole through needling; the inner layer is formed by weaving composite fibers made of 50% of basalt fibers and 50% of polytetrafluoroethylene fibers, and comprises a first base cloth 5, a felt net 6 and a second base cloth 7 which are sequentially connected from inside to outside. The felt web 6 is formed by cross-lapping.
The twist of the composite fiber is 200 twists.
The diameter of the basalt fiber is 10 micrometers; the polytetrafluoroethylene fibers have a diameter of 25 microns.
The first base fabric 5 or the second base fabric 7 is plain or twill.
Example 2
The technical solution of this embodiment includes the technical solution of embodiment 1, and also includes the following technical solutions:
as shown in fig. 3, a rigid collar 111 is provided on the bag mouth 11, the shape of the rigid collar 111 is consistent with the shape of the bag mouth 11, and the rigid collar 111 is wrapped by a wrapping cloth 3 and sewn on the bag mouth 11.
A plurality of longitudinal reinforcing ribs 4 are arranged in the bag body unit 1.
Example 3
Compared with the embodiment 2, the embodiment has the same technical scheme as the embodiment 2 except that the following technical scheme is different from the embodiment 2:
the bag body unit 1 is an elliptic cylinder; the side surfaces of 8 bag body units 1 are connected into a flower-shaped annular body along the diagonal points of the major axis of the ellipse.
The twist of the composite fiber is 100 twists.
The basalt fibers account for 99 percent of the composite fibers, and the diameter of the basalt fibers is 5 microns; the polytetrafluoroethylene fiber accounts for 1% of the composite fiber, and the diameter of the polytetrafluoroethylene fiber is 50 microns.
The first base cloth 5 or the second base cloth 7 is plain woven.
Example 4
Compared with the embodiment 2, the embodiment has the same technical scheme as the embodiment 2 except that the following technical scheme is different from the embodiment 2:
the twist of the composite fiber is 350 twists.
The basalt fibers account for 75% of the composite fibers, and the diameter of the basalt fibers is 13 microns; the polytetrafluoroethylene fiber accounts for 25% of the composite fiber, and the diameter of the polytetrafluoroethylene fiber is 1 micrometer.
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 (10)
1. The high-temperature-resistant basalt fiber needled felt filter bag capable of stroking super is characterized by comprising a plurality of cylindrical bag units (1), wherein the side surfaces of the bag units (1) are sequentially connected into annular bodies through sewing threads; the middle of the annular body is provided with a through cavity (2); one end of the bag body unit (1) is provided with a bag opening (11), and the other end is provided with a bag bottom (12); the bag body unit (1) comprises an inner layer and an outer layer, and the inner layer and the outer layer are sewn into a whole through needling; the inner layer is formed by weaving composite fibers made of basalt fibers and polytetrafluoroethylene fibers, and comprises a first base cloth (5), a felt net (6) and a second base cloth (7) which are sequentially connected from inside to outside.
2. The high temperature resistant basalt fiber needled felt filter bag according to claim 1, wherein the bag body unit (1) is a rhombic cylinder or an elliptic cylinder or a pentagonal cylinder structure.
3. The high temperature resistant basalt fiber needled felt filter bag according to claim 1, wherein the number of the bag body units (1) is 8-12.
4. The high-temperature-resistant basalt fiber needled felt filter bag according to claim 1, wherein a rigid collar (111) is arranged on the bag mouth (11), the shape of the rigid collar (111) is consistent with the shape of the bag mouth (11), and the rigid collar (111) is wrapped by wrapping cloth (3) and sewn on the bag mouth (11).
5. The high temperature resistant basalt fiber needled felt filter bag according to claim 1, wherein a plurality of longitudinal reinforcing ribs (4) are arranged in the bag body unit (1).
6. The high temperature resistant basalt fiber needled felt filter bag according to claim 1, wherein the twist of the composite fiber is 100-350 twist.
7. The high temperature resistant basalt fiber needled felt filter bag according to claim 1, wherein the basalt fiber comprises 50-99% of the composite fiber; the polytetrafluoroethylene fiber accounts for 1-50% of the composite fiber.
8. The high temperature resistant super basalt fiber needled felt filter bag of claim 1, wherein the basalt fiber has a diameter of 5-13 microns; the polytetrafluoroethylene fibers have a diameter of 1-50 microns.
9. The high temperature resistant basalt fiber needled felt filter bag according to claim 1, wherein the first base cloth (5) or the second base cloth (7) is twill or plain.
10. The high temperature resistant basalt fiber needled felt filter bag according to claim 1, wherein the felt web (6) is formed by cross-lapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021406064.9U CN213159811U (en) | 2020-07-16 | 2020-07-16 | High-temperature-resistant basalt fiber needled felt filtering bag capable of stroking super |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021406064.9U CN213159811U (en) | 2020-07-16 | 2020-07-16 | High-temperature-resistant basalt fiber needled felt filtering bag capable of stroking super |
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| Publication Number | Publication Date |
|---|---|
| CN213159811U true CN213159811U (en) | 2021-05-11 |
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| CN202021406064.9U Active CN213159811U (en) | 2020-07-16 | 2020-07-16 | High-temperature-resistant basalt fiber needled felt filtering bag capable of stroking super |
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| CN (1) | CN213159811U (en) |
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- 2020-07-16 CN CN202021406064.9U patent/CN213159811U/en active Active
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