CN117776518A - Preparation device and preparation method of quartz fiber yarn - Google Patents
Preparation device and preparation method of quartz fiber yarn Download PDFInfo
- Publication number
- CN117776518A CN117776518A CN202311530306.3A CN202311530306A CN117776518A CN 117776518 A CN117776518 A CN 117776518A CN 202311530306 A CN202311530306 A CN 202311530306A CN 117776518 A CN117776518 A CN 117776518A
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- quartz
- processed
- quartz fiber
- furnace body
- wire drawing
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 239000010453 quartz Substances 0.000 title claims abstract description 135
- 239000000835 fiber Substances 0.000 title claims abstract description 75
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 238000005491 wire drawing Methods 0.000 claims abstract description 33
- 238000002844 melting Methods 0.000 claims abstract description 28
- 230000008018 melting Effects 0.000 claims abstract description 28
- 238000005485 electric heating Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 238000005461 lubrication Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The invention provides a preparation device and a preparation method of quartz fiber, wherein the preparation device of quartz fiber comprises an electric melting furnace, the electric melting furnace comprises a furnace body and an electric heating crucible, a furnace mouth guide plate is arranged at the top opening of the furnace body, a plurality of jacks are arranged on the furnace mouth guide plate, and a plurality of quartz rods to be processed can be inserted into the furnace body from the upper part of the furnace body through the jacks; the bottom of the furnace body is provided with an avoidance hole; the electric heating crucible is arranged in the furnace body and is cylindrical, and the electric heating crucible surrounds the quartz rod to be processed which is inserted into the furnace body and heats the quartz rod to be processed, so that wire drawing is performed. According to the technical scheme, the production efficiency of the quartz fiber yarn can be improved, the production cost of the quartz fiber yarn is reduced, and the phenomenon that the quartz fiber yarn is broken or the quality is reduced due to contact with excessive pollutants can be avoided.
Description
Technical Field
The invention relates to the technical field of quartz fiber yarns, in particular to a preparation device and a preparation method of quartz fiber yarns.
Background
The quartz rod to be processed used for producing quartz glass fiber at present has the specification of 2-3mm (the base material above 3mm can not be met by the existing gas melting mode), the length is 1000-1500mm, the heating mode is a gas melting method which takes hydrogen (liquefied gas) and oxygen as energy sources, the base material can only be continuously produced for about 1h after being loaded once, repeated loading is needed for secondary production, and the production efficiency in unit time is low. When the gas melting mode is used for production, pollutants are easy to generate, the subsequent treatment of the product is influenced, and broken wires are easy to cause to influence the normal production of the product. How to use the quartz rod to be processed with the diameter larger than 3mm to produce quartz glass fiber, thereby improving the production efficiency and the product quality, and a new production process is urgently needed to support the production.
Disclosure of Invention
According to the embodiment of the disclosure, a preparation device and a preparation method of quartz fiber filaments are provided, so that the production efficiency of the quartz fiber filaments is improved, and the production cost is reduced.
In a first aspect of the present disclosure, there is provided a preparation apparatus of quartz fiber, including an electric melting furnace including:
a furnace mouth guide plate is arranged at the top opening of the furnace body, a plurality of jacks are arranged on the furnace mouth guide plate, and a plurality of quartz rods to be processed can be inserted into the furnace body from the upper part of the furnace body through the jacks; the bottom of the furnace body is provided with an avoidance hole; and
the electric heating crucible is arranged in the furnace body and is cylindrical, and the electric heating crucible surrounds the quartz rod to be processed which is inserted into the furnace body and heats the quartz rod to be processed so as to perform wire drawing.
In aspects and any one of the possible implementations described above, there is further provided an implementation in which the diameter of the quartz rod to be processed is 4-20mm.
In the aspects and any possible implementation manner described above, there is further provided an implementation manner, wherein the number of quartz rods to be processed is 2-80.
In aspects and any one of the possible implementations described above, there is further provided an implementation, the electrically heated crucible is a graphite crucible.
In the aspects and any possible implementation manner as described above, there is further provided an implementation manner, wherein the furnace body is filled with an inert shielding gas.
The above aspect and any possible implementation manner further provide an implementation manner, a lubrication device, a guide wheel, a wire arranging wheel and a wire drawing machine are sequentially arranged below the electric melting furnace, and a plurality of quartz fiber wires pass through a bundle set of the guide wheel and a wire arranging drum of the wire arranging wheel and then are wound on a wire drawing drum in the wire drawing machine.
In accordance with aspects and any one of the possible implementations described above, there is further provided an implementation in which the lubricating device has water or a sizing agent stored therein.
In the aspect and any possible implementation manner as described above, there is further provided an implementation manner, in which a plurality of quartz fiber bundles are collected directly under a middle position of a plurality of quartz rods to be processed; the wire drawing cylinder is positioned right below a plurality of quartz fiber tow collecting points.
According to a second aspect of the present disclosure, there is provided a method for preparing quartz fiber yarn, comprising the steps of:
1) Connecting and fixing the tops of a plurality of quartz rods to be processed with a feeding device, and extending the bottoms of the quartz rods to be processed into the electric heating crucible through the insertion holes;
2) Introducing inert protective gas into the furnace body, wherein the ventilation time is not less than 10min;
3) Turning on a power supply of the electric melting furnace to enable the electric heating crucible to heat the quartz rod to be processed, and keeping the temperature constant at 1900-2500 ℃;
4) And after the quartz fiber formed by the falling of the bottom of the quartz rod to be processed after being heated and softened is pulled and wound to the periphery of a wire drawing cylinder in a wire drawing machine, starting the wire drawing machine.
In the above aspect and any possible implementation manner, there is further provided an implementation manner, after the plurality of quartz fiber filaments formed by falling down after the bottom of the quartz rod to be processed is heated and softened are lubricated by the lubricating device, a bundle of quartz fiber filaments is integrated by a guide wheel bundle, and the bundle of quartz fiber filaments is wound on a wire drawing cylinder of the wire drawing machine after being subjected to wire arrangement by a wire arrangement wheel.
The invention has the beneficial effects that:
1. according to the quartz fiber wire preparation device and the quartz fiber wire preparation method, the electric melting furnace is used for heating and softening the quartz rods to be processed, compared with a gas melting heating method, the heating temperature of the electric melting furnace can reach 2500 ℃, and the generated heat can meet the melting deformation of a plurality of quartz rods to be processed with the diameter of more than 3mm, so that the production time of a single quartz rod to be processed is prolonged, the loading frequency of the quartz rods to be processed is reduced, and the production cost of the quartz fiber wire is further reduced.
2. According to the quartz fiber yarn preparation device and the quartz fiber yarn preparation method, the furnace mouth guide plate is covered on the opening at the top of the furnace body, so that the quartz rod to be processed is positioned in a relatively closed softening space, the furnace temperature is kept stable, and meanwhile, pollutants can be prevented from entering the furnace body, and the problems of yarn breakage or quality reduction caused by contact of excessive pollutants of the quartz fiber yarn are avoided.
It should be understood that what is described in this summary is not intended to limit the critical or essential features of the embodiments of the disclosure nor to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of embodiments of the present disclosure will become more apparent by reference to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, wherein like or similar reference numerals denote like or similar elements, in which:
fig. 1 shows a schematic diagram of the overall structure of a preparation device for quartz fiber provided by the embodiment of the invention.
The correspondence between the reference numerals and the component names in fig. 1 is:
1-a quartz rod to be processed; 20-an electric melting furnace; 21-a furnace body; 211-furnace mouth guide plates; 2111-jack; 212-avoiding holes; 22-electrically heating the crucible; 3-lubrication means; 4-guiding wheels; 5-winding displacement wheel; 6-a wire drawing machine; 7-a wire drawing cylinder.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are some embodiments of the present disclosure, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments in this disclosure without inventive faculty, are intended to be within the scope of this disclosure.
In addition, the term "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
The invention provides a preparation device and a preparation method of quartz fiber wires, wherein an electric melting furnace is used for heating and softening quartz rods to be processed, and a furnace mouth guide plate is covered at an opening at the top of a furnace body.
The following describes a preparation apparatus of quartz fiber provided by an embodiment of the present invention with reference to fig. 1.
Fig. 1 shows a schematic overall structure of a quartz fiber yarn preparation device provided by an embodiment of the invention, and referring to fig. 1, the quartz fiber yarn preparation device provided by the invention comprises an electric melting furnace 20, wherein the electric melting furnace 20 comprises a furnace body 21 and an electric heating crucible 22, a furnace mouth guide plate 211 is arranged at the top opening of the furnace body 21, a plurality of insertion holes 2111 are formed in the furnace mouth guide plate 211, and a plurality of quartz rods 1 to be processed can be inserted into the furnace body 21 from above the furnace body 21 through the insertion holes 2111; the bottom of the furnace body 21 is provided with an avoidance hole 212 for quartz fiber passing through; the electric heating crucible 22 is provided in the furnace body 21, is cylindrical, is provided around the bottom end periphery of the quartz rod 1 to be processed, and heats the quartz rod 1 to be processed inserted into the furnace body 21 by the electric heating crucible 22 to perform wire drawing.
According to the quartz fiber yarn preparation device and the quartz fiber yarn preparation method, the electric melting furnace 20 is used for heating and softening the quartz rods 1 to be processed, compared with a gas melting heating method, the heating temperature of the electric melting furnace 20 can reach 2500 ℃, and the generated heat can meet the melting deformation of a plurality of quartz rods 1 to be processed with the diameter of more than 3mm, so that the production time of a single quartz rod 1 to be processed is prolonged, the loading frequency of the quartz rods 1 to be processed is reduced, and the production cost of the quartz fiber yarn is further reduced.
According to the quartz fiber yarn preparation device and the quartz fiber yarn preparation method, the furnace mouth guide plate 211 is covered on the opening at the top of the furnace body 21, so that the quartz rod 1 to be processed is positioned in a relatively closed softening space, the furnace temperature is kept stable, and meanwhile, pollutants can be prevented from entering the furnace body 21, and the problem that the quartz fiber yarn is broken or the quality is reduced due to the fact that the quartz fiber yarn contacts with excessive pollutants is avoided.
Specifically, in this embodiment, the diameter of the quartz rod 1 to be processed is 4-20mm, the number of the quartz rods to be processed may be 2-80, and the quartz rods 1 to be processed are uniformly arranged without intersecting. As shown in fig. 1, the number of quartz rods 1 to be processed used in the present embodiment is five, and the quartz rods are vertically arranged in equal distance and parallel.
In some embodiments, the electrically heated crucible 22 is a graphite crucible, preferably a high purity graphite crucible, which is heated using a direct current or commercial ac power source, the size of the crucible being determined by the maximum loading of the quartz rod 1 to be processed. Of course, in other embodiments, a crucible made of other materials that can generate heat may be selected.
Further, in order to prevent the graphite crucible from being oxidized at a high temperature and further from dust pollution during the heating process, an inert shielding gas such as nitrogen gas may be introduced into the furnace body 21 of the electric melting furnace 20 through a shielding gas inlet (not shown) to perform atmosphere protection during the heating process of the quartz rod 1 to be processed by the electric heating crucible 22. The position of the shielding gas inlet can be set according to the requirement.
In some embodiments, a lubrication device 3, a guide wheel 4, a wire arranging wheel 5 and a wire drawing machine 6 are sequentially arranged below the electric melting furnace 20, wherein water, a sizing agent or other solvents capable of lubricating can be placed in the lubrication device 3, and the solvents can be uniformly smeared on the surface of the quartz fiber so as to improve the tensile strength and the bending strength of the quartz fiber; after being subjected to beam collection of the guide wheels 4 and wire arrangement of the wire arrangement wheel 5, the quartz fiber wires coated with the solvent are wound on a wire drawing cylinder 7 in a wire drawing machine 6, and the wire winding operation of the quartz fiber wires is realized under the traction of the wire drawing cylinder 7.
In some embodiments, the feeding speed of the quartz rod 1 to be processed and the drawing speed of the quartz fiber can be calculated according to the specification of the quartz rod 1 to be processed and the product outer diameter specification of the quartz fiber according to a certain yield.
In some embodiments, the plurality of quartz fiber tows are collected directly below the middle position of the plurality of quartz rods 1 to be processed; the wire drawing cylinder 7 is positioned right below a plurality of quartz fiber bundle collecting points so as to reduce the inclination angle of quartz fiber filaments relative to the quartz rod 1 to be processed and avoid the problem of filament breakage.
The embodiment also provides a preparation method of the quartz fiber yarn, which is applied to the preparation device of the quartz fiber yarn and comprises the following steps:
1) The top parts of a plurality of quartz rods 1 to be processed are fixedly connected with a feeding device, and the bottom parts of the quartz rods 1 to be processed extend into an electric heating crucible 22 through insertion holes 2111; the bottom of the quartz rod 1 to be processed is heated by an electric heating crucible 22.
2) Introducing inert protective gas into the furnace body 21, wherein the ventilation time is not less than 10min; the specific time is determined according to the specification size of electric melting furnace 20.
3) Turning on a power supply of the electric melting furnace 20 to heat the quartz rod 1 to be processed by the electric heating crucible 22, and keeping the temperature constant at 1900-2500 ℃; ensuring that the temperature reaches the softening temperature of the quartz rod 1 to be processed, and enabling the bottom of the quartz rod 1 to be processed to fall down to form quartz fiber after softening.
4) And through a manual or fiber head capturing device and the like, the quartz fiber formed by falling down after the bottom of the quartz rod 1 to be processed is heated and softened is pulled and wound to the periphery of a wire drawing cylinder 7 in a wire drawing machine 6, and then the wire drawing machine 6 is started to wind and draw the quartz fiber.
In some embodiments, after a plurality of quartz fiber yarns formed by falling after the bottom of the quartz rod 1 to be processed is heated and softened are lubricated by the lubrication device 3, a bundle of quartz fiber yarns is integrated by the guide wheel 4, and then the bundle of quartz fiber yarns is wound on the wire drawing cylinder 7 of the wire drawing machine 6 after being subjected to wire arrangement by the wire arrangement wheel 5, so that the winding uniformity of the quartz fiber yarn winding shaft is ensured.
In the description of the present specification, the terms "connected," "mounted," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In the description of the present specification, the terms "one embodiment," "some embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. The preparation device of quartz fiber yarn is characterized by comprising an electric melting furnace (20), wherein the electric melting furnace (20) comprises:
a furnace mouth guide plate (211) is arranged at the top opening of the furnace body (21), a plurality of jacks (2111) are formed in the furnace mouth guide plate (211), and a plurality of quartz rods (1) to be processed can be inserted into the furnace body (21) from the upper part of the furnace body (21) through the jacks (2111); an avoidance hole (212) is formed in the bottom of the furnace body (21); and
an electric heating crucible (22) is provided in the furnace body (21), is cylindrical, surrounds the quartz rod (1) to be processed inserted into the furnace body (21) by the electric heating crucible (22), and heats the quartz rod to be processed, thereby drawing wires.
2. The device for producing quartz fiber according to claim 1, wherein the diameter of the quartz rod (1) to be processed is 4-20mm.
3. The device for producing quartz fiber according to claim 1, wherein the number of quartz rods (1) to be processed is 2-80.
4. The device for preparing quartz fiber according to claim 1, wherein the electrically heated crucible (22) is a graphite crucible.
5. The device for producing quartz fiber according to claim 1, wherein the furnace body (21) is filled with an inert shielding gas.
6. The quartz fiber yarn preparation device according to claim 1, wherein a lubrication device (3), a guide wheel (4), a wire arranging wheel (5) and a wire drawing machine (6) are sequentially arranged below the electric melting furnace (20), and a plurality of quartz fiber yarns are wound on a wire drawing cylinder (7) in the wire drawing machine (6) after passing through a bundle set of the guide wheel (4) and a wire arranging of the wire arranging wheel (5).
7. The device for preparing the quartz fiber yarn according to claim 1, wherein the lubricating device (3) stores water or a sizing agent.
8. The quartz fiber yarn preparation device according to claim 1, wherein a plurality of quartz fiber yarn bundles are collected under the middle position of a plurality of quartz rods (1) to be processed; the wire drawing cylinder (7) is positioned right below a plurality of quartz fiber bundle collecting points.
9. A method for producing a quartz fiber yarn using the quartz fiber yarn production apparatus according to any one of claims 1 to 8, characterized by comprising the steps of:
1) The top of a plurality of quartz rods (1) to be processed are fixedly connected with a feeding device, and the bottom of the quartz rods (1) to be processed extends into the electric heating crucible (22) through the insertion holes (2111);
2) Introducing inert protective gas into the furnace body (21), wherein the ventilation time is not less than 10min;
3) Turning on a power supply of the electric melting furnace (20) to enable the electric heating crucible (22) to heat the quartz rod (1) to be processed, and keeping the temperature constant at 1900-2500 ℃;
4) And after the quartz fiber formed by the falling of the bottom of the quartz rod (1) to be processed after being heated and softened is pulled and wound to the periphery of a wire drawing cylinder (7) in a wire drawing machine (6), starting the wire drawing machine (6).
10. The method for preparing the quartz fiber according to claim 9, wherein a plurality of quartz fiber formed by falling after the bottom of the quartz rod (1) to be processed is heated and softened is lubricated by a lubricating device (3), and is bundled by a guide wheel (4), and the bundle of quartz fiber is wound on a wire drawing cylinder (7) of the wire drawing machine (6) after being arranged by a wire arranging wheel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311530306.3A CN117776518A (en) | 2023-11-15 | 2023-11-15 | Preparation device and preparation method of quartz fiber yarn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311530306.3A CN117776518A (en) | 2023-11-15 | 2023-11-15 | Preparation device and preparation method of quartz fiber yarn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117776518A true CN117776518A (en) | 2024-03-29 |
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ID=90400772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311530306.3A Pending CN117776518A (en) | 2023-11-15 | 2023-11-15 | Preparation device and preparation method of quartz fiber yarn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117776518A (en) |
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2023
- 2023-11-15 CN CN202311530306.3A patent/CN117776518A/en active Pending
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