CN213680402U - Kiln device for producing low dielectric glass fiber - Google Patents
Kiln device for producing low dielectric glass fiber Download PDFInfo
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- CN213680402U CN213680402U CN202022541933.5U CN202022541933U CN213680402U CN 213680402 U CN213680402 U CN 213680402U CN 202022541933 U CN202022541933 U CN 202022541933U CN 213680402 U CN213680402 U CN 213680402U
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- low dielectric
- dielectric glass
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Abstract
The utility model relates to the technical field of glass fiber, in particular to a kiln device for producing low dielectric glass fiber; the kiln device for producing the low dielectric glass fiber comprises a kiln body, wherein the interior of the kiln body is divided into a feeding area and a melting area through a hanging wall, a gap exists between the bottom of the hanging wall and the bottom of the kiln body, a feeding port is formed in the side wall of the feeding area, and a discharging port is formed in the side wall of the melting area; the passage structure is communicated with the discharge hole; the utility model provides a pair of a kiln for production of low dielectric glass fiber is rational in infrastructure not only, and the glass liquid after firing does not contain the bubble moreover, and then can not influence follow-up glass fiber's impedance performance.
Description
Technical Field
The utility model belongs to the technical field of the glass fiber technique and specifically relates to a kiln device for producing low dielectric glass fiber is related to.
Background
The dielectric constant is an important parameter for measuring the excellent performance of the printed circuit board, the lower the dielectric constant of the glass fiber is, the faster the transmission speed of signals in the circuit board is, and the lower the energy loss in the transmission process is;
in the prior art, a furnace structure adopts a hexagonal or polygonal mode for producing high boron glass, and an electric heating mode is adopted in the production process, namely, an electric melting furnace is adopted for producing the high boron glass in the prior art;
the production process of the glass metal is carried out by adopting an electric melting furnace and full-electric open operation path, only small-batch production can be carried out in the production process due to structural limitation, and the electric melting furnace is required to be added if increment is required; in addition, molten glass produced by an electric melting furnace is of poor quality, wherein a large amount of bubbles are generated, and the bubbles affect the resistance performance of subsequent glass fiber use.
Therefore, a kiln which is reasonable in structure and can be better used for producing glass fiber yarns is urgently needed.
Disclosure of Invention
The utility model provides a kiln for low dielectric glass fiber production, the kiln for low dielectric glass fiber production is reasonable in structure, and the fired glass liquid does not contain bubbles, thereby not influencing the impedance performance of the subsequent glass fiber;
the utility model provides a pair of a kiln device for producing low dielectric glass fiber, include:
the kiln comprises a kiln body, a feeding area and a melting area, wherein the inside of the kiln body is divided into the feeding area and the melting area through a hanging wall, a gap exists between the bottom of the hanging wall and the bottom of the kiln body, a feeding port is formed in the side wall of the feeding area, and a discharging port is formed in the side wall of the melting area;
and the passage structure is communicated with the discharge hole.
As a further technical scheme, the gap between the bottom of the hanging wall and the bottom of the kiln body is 5-200 mm.
The technical scheme is characterized in that the hanging wall is arranged at the position 1/5-1/3 along the length direction of the kiln body.
As a further technical scheme, the distance between the feeding port and the bottom of the kiln body along the vertical direction is greater than the distance between the bottom of the hanging wall and the bottom of the kiln body along the vertical direction.
As a further technical solution, the kiln body and/or the hanging wall is made of 95 alumina ceramic.
As a further technical scheme, the device also comprises an interlayer which is arranged along the length direction of the passage structure and fixed on the inner wall of the passage structure, the passage structure is divided into an upper layer and a lower layer by the interlayer, and the upper layer is communicated with the lower layer.
As a further technical scheme, the interlayer is formed by stacking cover plate bricks.
As a further technical scheme, the upper layer is heated by a pure oxygen burner.
As a further technical solution, the lower layer is heated by means of electrodes.
As a further technical scheme, the electrodes are molybdenum electrodes which are uniformly arranged at the bottom of the passage structure.
The utility model has the advantages that:
the technical effects are as follows: the utility model discloses a set up the hanging wall in order to divide into the kiln body inside and throw material district and melting the district, compare with prior art, adopt relatively independent setting in order to completely cut off melting district flame space heat radiation, and then be convenient for control the bed of material temperature at 200 to 350 degrees, in order to reduce the volatilization of boron, and then improve glass quality and prolong the kiln life-span, and still be convenient for the upper portion of follow-up furnace roof to set up the cold furnace roof through the setting of hanging wall, in order to further reduce the volatilization of boron, so that do not contain the bubble in the glass liquid; in addition, the passage structure is arranged, so that the molten glass keeps constant temperature, and the subsequent wire drawing operation is facilitated;
the social effect is as follows: the interior of the kiln body is divided into the feeding area and the melting area by arranging the hanging wall, and compared with the prior art, the heat of the melting area can be effectively reduced to be transferred to the feeding area by arranging the independent feeding area and the independent melting area so as to save the energy consumption;
the economic effect is as follows: through the arrangement of the technical scheme, the utilization rate of energy can be improved, the energy is saved, and the production and manufacturing cost is reduced.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front view of a kiln apparatus for producing low dielectric glass fibers according to the present invention;
FIG. 2 is a schematic top view of a kiln assembly for producing low dielectric glass fibers according to the present invention;
fig. 3 is a schematic view of the cross-sectional structure a-a in fig. 2.
Description of reference numerals:
1. a kiln body; 11. a feeding area; 111. a feeding port; 12. a melting zone; 121. a discharge port;
2. hanging the wall;
3. a via structure; 31. an upper layer; 32. a lower layer;
4. an interlayer;
5. a pure oxygen burner;
6. and an electrode.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, the present invention provides a positioning device for butt joint of water supply pipes, comprising:
the kiln comprises a kiln body 1, a hanging wall 2 and a passage structure 3; the kiln body 1 divides the interior of the kiln body 1 into a feeding area 11 and a melting area 12 through a hanging wall 2, a gap exists between the bottom of the hanging wall 2 and the bottom of the kiln body 1, a feeding port 111 is arranged on the side wall of the feeding area 11, and a discharging port 121 is arranged on the side wall of the melting area 12; in practical use, the hanging wall 2 is arranged to separate the feeding area 11 from the melting area 12, compared with the prior art, the heat radiation of the flame space of the melting area 12 can be effectively isolated, the temperature of a material layer is conveniently controlled to be 200-350 ℃, the volatilization of boron is reduced, so that the molten glass does not contain bubbles, the quality of the molten glass is improved, the service life of a kiln is prolonged, and the cold kiln top is conveniently arranged at the upper part of the kiln top in the follow-up process through the arrangement of the hanging wall 2, so that the volatilization of boron is further reduced; in addition, through the arrangement of the hanging wall 2, the heat of the melting zone 12 can be prevented from being transferred to the feeding zone 11, so that the heat in the melting zone 12 can be fully utilized;
the passage structure 3 is communicated with the discharge hole 121; in actual use, the passage structure 3 is arranged to keep the molten glass at a constant temperature, so that the fluidity of the molten glass is improved, and the subsequent wire drawing operation is facilitated; wherein the content of the first and second substances,
the gap between the bottom of the hanging wall 2 and the bottom of the kiln body 1 is 5mm-200 mm; in practical use, the gap may be 5mm, 102.5mm or 200mm, and the distance of the gap is preferably 102.5mm, so that the feeding area 11 and the melting area 12 are relatively independent, the feeding area 11 and the melting area 12 are communicated, the glass raw material supply of the melting area 12 can be ensured while the heat insulation effect is achieved, and dry burning and the like in the melting area 12 are prevented;
specifically, the hanging wall 2 is arranged at the position 1/5-1/3 along the length direction of the kiln body 1; in practical use, in order to ensure the uninterrupted supply of glass raw materials in the melting zone 12 during the melting process, and to improve the efficiency of the melting zone 12, the hanging wall 2 is especially arranged at the position 1/5 to 1/3 along the length direction of the furnace body 1, and in particular, the hanging wall 2 can be arranged at the position 1/5 along the length direction of the furnace body 1, the hanging wall 2 can be arranged at the position 1/3 along the length direction of the furnace body 1, the hanging wall 2 can also be arranged at the position 1/4, and in the embodiment, the hanging wall is preferably arranged at the position 1/3;
it should be noted that the shape of the hanging wall 2 is preferably U-shaped, but those skilled in the art can also set other shapes of hanging walls 2;
in order to further reduce the volatilization of boron, the distance between the feeding port 111 and the bottom of the kiln body 1 along the vertical direction is greater than the distance between the bottom of the hanging wall 2 and the bottom of the kiln body 1 along the vertical direction, so that in the practical use, when feeding, the bottom of the hanging wall 2 can be immersed into the glass raw material and the glass liquid, and the heat transfer between the glass raw material and the glass liquid can be prevented as much as possible;
in the embodiment, the kiln body 1 and/or the hanging wall 2 are/is made of 95 alumina ceramics, and in actual use, the kiln body 1 and/or the hanging wall 2 made of 95 alumina ceramics are/is particularly adopted because the 95 alumina ceramics have better conductivity, mechanical strength and high temperature resistance;
of course, in order to stabilize the temperature of the glass liquid in the channel structure 3 and facilitate the control of the temperature, in this embodiment, the glass liquid cooling device further includes a partition layer 4 disposed along the length direction of the channel structure 3 and fixed on the inner wall of the channel structure 3, the partition layer 4 divides the channel structure 3 into an upper layer 31 and a lower layer 32, and the upper layer 31 is communicated with the lower layer 32; in practical use, by arranging the inside of the channel structure 3 into two areas, namely the upper layer 31 and the lower layer 32, the inside of the channel structure 3 becomes two independent areas, so that the glass liquid in the melting zone 12 can flow more smoothly; wherein the content of the first and second substances,
the interlayer 4 is formed by piling the cover plate bricks; in actual use, in order to further prevent the heat transfer of the upper layer and the lower layer, and the cover plate brick has lower cost and is convenient to produce and manufacture, therefore, the conventional cover plate brick is adopted;
specifically, the upper layer 31 is heated by a pure oxygen burner 5; specifically, a natural gas channel and an oxygen channel are respectively and oppositely arranged on two sides of the upper layer 31, gas nozzles are respectively sleeved in the natural gas channel and the oxygen channel, and the gas pressure of the natural gas and the oxygen is increased through the gas nozzles to realize gas clash and further better heating;
the lower layer 32 is heated by the electrode 6; specifically, the electrodes 6 are vertically inserted into the bottom of the lower layer 32, and the number of the electrodes 6 is plural, such as 1 to 20, preferably 10 in the present embodiment, and is uniformly distributed on the bottom of the lower layer 32, so as to make the temperature of the molten glass constant and easy to control, and in addition, prevent the occurrence of the problem of the blockage of the molten glass in the channel structure 3; wherein the content of the first and second substances,
the electrode 6 is a molybdenum electrode 6, and the molybdenum electrode 6 is uniformly arranged at the bottom of the passage structure 3; in practical use, because the molybdenum electrode 6 has high-temperature strength, good high-temperature oxidation resistance and long service life, the molybdenum electrode 6 is particularly adopted for heating based on the advantages.
It should be noted that, in practical use, in order to facilitate temperature control, a temperature detection hole may be further disposed on the sidewall of the via structure 3, a temperature sensor is disposed at the temperature detection hole, the temperature sensor is electrically connected to a controller, and the controller is connected to the molybdenum electrode 6 for temperature detection and control;
certainly, in some embodiments, the shell of the passage structure 3 is respectively a high temperature resistant layer, an insulating layer and a steel structure outer layer from inside to outside, so that the passage structure 3 can also play a role in saving energy while ensuring stability; wherein, the high temperature resistant layer can adopt chromium oxide brick, such as CR94, and the heat preservation layer can adopt high-alumina brick, ramming material, light insulating brick, ramming material and high-alumina brick that set gradually from inside to outside, and the steel construction is conventional, for saving the space, does not do too much to describe here.
The suspension wall is arranged to divide the interior of the kiln body into the feeding area and the melting area, compared with the prior art, the suspension wall is arranged relatively independently to isolate the heat radiation of the flame space of the melting area, so that the temperature of a material layer is controlled to be 200-350 ℃, the volatilization of boron is reduced, the molten glass does not contain bubbles, the quality of the glass is improved, the service life of the kiln is prolonged, and the arrangement of the suspension wall is convenient for the upper part of the follow-up kiln top to be provided with a cold kiln top, so that the volatilization of boron is further reduced; in addition, the passage structure is arranged, so that the molten glass keeps constant temperature, and the subsequent wire drawing operation is facilitated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A kiln assembly for producing low dielectric glass fibers, comprising:
the kiln comprises a kiln body (1), wherein the interior of the kiln body (1) is divided into a feeding area (11) and a melting area (12) through a hanging wall (2), a gap exists between the bottom of the hanging wall (2) and the bottom of the kiln body (1), the side wall of the feeding area (11) is provided with a feeding port (111), and the side wall of the melting area (12) is provided with a discharging port (121);
and the passage structure (3) is communicated with the discharge hole (121).
2. The kiln plant for producing low dielectric glass fibers according to claim 1, characterized in that the gap between the bottom of the hanging wall (2) and the bottom of the kiln body (1) is 5-200 mm.
3. The kiln plant for producing low dielectric glass fibers as defined in claim 1, wherein the hanging wall (2) is provided at a position 1/5 to 1/3 along the length direction of the kiln body (1).
4. The kiln device for producing low dielectric glass fibers as claimed in claim 1, characterized in that the distance of the feed opening (111) from the bottom of the kiln body (1) in the vertical direction is greater than the distance of the bottom of the hanging wall (2) from the bottom of the kiln body (1) in the vertical direction.
5. The kiln plant for producing low dielectric glass fibers according to claim 1, characterized in that the kiln body (1) and/or the hanging wall (2) are made of 95 alumina ceramic.
6. The kiln device for producing low dielectric glass fibers according to claim 1, further comprising a spacer layer (4) disposed along a length direction of the path structure (3) and fixed to an inner wall of the path structure (3), wherein the spacer layer (4) divides the path structure (3) into an upper layer (31) and a lower layer (32), and the upper layer (31) and the lower layer (32) are communicated with each other.
7. Kiln plant for producing low dielectric glass fibres according to claim 6, characterized in that the insulation layer (4) is built up of cover tiles.
8. The kiln plant for producing low dielectric glass fibers according to claim 7, characterized in that the upper layer (31) is heated by means of a pure oxygen burner (5).
9. Kiln installation for producing low dielectric glass fibers according to claim 7, characterized in that the lower layer (32) is heated by means of electrodes (6).
10. The kiln arrangement for producing low dielectric glass fibres according to claim 9, characterised in that the electrodes (6) are molybdenum electrodes, the molybdenum electrodes (6) being arranged uniformly at the bottom of the passage structure (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022541933.5U CN213680402U (en) | 2020-11-05 | 2020-11-05 | Kiln device for producing low dielectric glass fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022541933.5U CN213680402U (en) | 2020-11-05 | 2020-11-05 | Kiln device for producing low dielectric glass fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213680402U true CN213680402U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022541933.5U Active CN213680402U (en) | 2020-11-05 | 2020-11-05 | Kiln device for producing low dielectric glass fiber |
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| Country | Link |
|---|---|
| CN (1) | CN213680402U (en) |
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2020
- 2020-11-05 CN CN202022541933.5U patent/CN213680402U/en active Active
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