CN111977940A - Multifunctional quartz glass continuous melting furnace - Google Patents
Multifunctional quartz glass continuous melting furnace Download PDFInfo
- Publication number
- CN111977940A CN111977940A CN202011020423.1A CN202011020423A CN111977940A CN 111977940 A CN111977940 A CN 111977940A CN 202011020423 A CN202011020423 A CN 202011020423A CN 111977940 A CN111977940 A CN 111977940A
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- CN
- China
- Prior art keywords
- quartz glass
- heating ring
- fixedly connected
- crucible
- heating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/027—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating
- C03B5/0272—Pot furnaces
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B20/00—Processes specially adapted for the production of quartz or fused silica articles, not otherwise provided for
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
Abstract
The invention discloses a multifunctional quartz glass continuous melting furnace, which comprises a furnace body and a crucible, wherein the crucible is fixedly arranged in the furnace body, a first heating ring and a second heating ring are fixedly arranged on the outer side of the crucible, heat insulation layers are arranged on the outer sides of the first heating ring and the second heating ring, a core bar is arranged in the crucible, a pressure sensor is fixedly connected to one side of the core bar, a furnace cover and a gas pipe are fixedly connected to the top end of the core bar, a feeder is connected to the top end of the furnace cover, a forming die is fixedly arranged at the bottom end of the core bar, a forming outlet is arranged at the bottom end of the forming die, a cooling device is fixedly arranged at. This kind of multi-functional quartz glass continuous melting stove can effectively solve current heating method and be not enough to the heating of quartz sand material in the crucible, makes its reaction abundant inadequately, and among the prior art most quartz glass cooling shaping slow scheduling problem, has higher practical value.
Description
Technical Field
The invention relates to the technical field of quartz processing, in particular to a multifunctional quartz glass continuous melting furnace.
Background
At present, various types of electric heating continuous melting furnaces for producing quartz glass tubes in China are in a crucible fixing type, the melting process of glass refers to the process of forming uniform and flawless molten glass which meets the forming requirement by heating qualified batch materials at high temperature, and the melting process of the glass can be divided into five stages from the heating of quartz sand materials to the melting of the molten quartz glass, namely a silicate forming stage, a glass forming stage, a clarifying stage of the molten glass, a homogenizing stage of the molten glass and a cooling stage of the molten glass, so that the heating temperature in the continuous melting furnace is closely related to the five stages. The existing continuous melting furnace is heated by adopting a single electrode, namely, only the heating net is arranged on the outer circumference of the crucible, the crucible is heated by radiation heat transfer, the existing heating mode is insufficient for heating the quartz sand material in the crucible, so that the reaction is insufficient, and most of quartz glass in the prior art is slow in cooling and forming speed. Therefore, we improve the above and provide a multifunctional quartz glass continuous melting furnace.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a multifunctional quartz glass continuous melting furnace, which comprises a furnace body and a crucible, wherein the crucible is fixedly arranged in the furnace body, a first heating ring and a second heating ring are fixedly arranged on the outer side of the crucible, heat insulation layers are arranged on the outer sides of the first heating ring and the second heating ring, a core bar is arranged in the crucible, a pressure sensor is fixedly connected to one side of the core bar, a furnace cover and a gas pipe are fixedly connected to the top end of the core bar, a feeder is connected to the top end of the furnace cover, a forming die is fixedly arranged at the bottom end of the core bar, a forming outlet is arranged at the bottom end of the forming die, a cooling device is fixedly arranged at the bottom end of the forming outlet, and.
As a preferred technical solution of the present invention, the first heating ring and the second heating ring are separated from each other, the first heating ring is located at the top of the forming mold, the second heating ring is located at the outer side of the forming mold, and the first heating ring and the second heating ring are respectively and fixedly connected with a first heating electrode and a second heating electrode.
As a preferred technical scheme of the invention, the heat-insulating layer is positioned between the inner wall of the furnace body and the first heating ring and the second heating ring, and heat-insulating sand is arranged in the heat-insulating layer.
As a preferred technical scheme of the invention, the core bar penetrates through a central shaft of the furnace cover and is fixedly connected with the forming die, the core bar is of a hollow structure, the top end of the core bar is fixedly connected with a gas pipe, and the gas pipe penetrates through the electric control valve and is fixedly connected with the gas storage tank.
As a preferable technical scheme of the invention, the pressure sensor is fixedly arranged in the furnace cover and is fixedly connected with one side of the core bar, and the pressure sensor is electrically connected with the electric control valve.
As a preferable technical scheme of the invention, one side of the top end of the furnace cover is fixedly provided with a feeding pipe, one end of the feeding pipe penetrates through a feeding valve and is fixedly connected with a feeder, and the other end of the feeding pipe is fixedly connected into the crucible.
As a preferable technical scheme of the invention, a heat insulation layer is arranged on the outer side of the forming outlet, and one side of the heat insulation layer, which is close to the forming outlet, is positioned between the heat insulation layer and the forming outlet.
As a preferable technical scheme of the invention, one side of the cooling water jacket is fixedly connected with the water storage tank, and a cooling pipeline is arranged in the cooling water jacket and surrounds the quartz glass in a ring shape.
The invention has the beneficial effects that: according to the multifunctional quartz glass continuous melting furnace, the first heating ring and the second heating ring are arranged and are respectively connected with the first heating electrode and the second heating electrode, so that quartz materials in a crucible can be fully heated, and the temperature required in different stages is met; the core bar is of a hollow structure, and the top end of the core bar is fixedly connected with a gas pipe and a gas storage tank, so that the internal gas pressure is stabilized; the quartz glass cooling forming device has the advantages that the quartz glass cooling forming speed is increased and the production efficiency is improved by arranging the heat insulation layer and the cooling device, and the problems that the quartz sand material in the crucible is not heated sufficiently by the conventional heating mode, the reaction is not sufficient, most of the quartz glass cooling forming speed in the prior art is low and the like are effectively solved, and the quartz glass cooling forming device has higher practical value.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a sectional view showing a structure of a multi-functional continuous melting furnace for quartz glass according to the present invention;
FIG. 2 is an enlarged view of point A of the multi-functional continuous melting furnace for quartz glass according to the present invention;
FIG. 3 is a structural view of a cooling apparatus of the multi-functional continuous melting furnace for quartz glass of the present invention.
In the figure: 1. a furnace body; 2. a crucible; 3. a first heating ring; 301. a first heating electrode; 4. a second heating ring; 401. a second heating electrode; 5. a heat-insulating layer; 6. a core bar; 601. a pressure sensor; 7. a furnace cover; 701. a gas delivery pipe; 702. an electrically controlled valve; 8. a feeder; 801. a feed pipe; 802. a feed valve; 9. forming a mold; 10. a forming outlet; 11. a cooling device; 12. a cooling water jacket; 13. a water storage tank; 14. a cooling duct; 15. a gas storage tank; 16. a thermal insulation layer; 17. quartz glass.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in figures 1-3, the multifunctional quartz glass continuous melting furnace comprises a furnace body 1 and a crucible 2, wherein the crucible 2 is fixedly arranged in the furnace body 1, a first heating ring 3 and a second heating ring 4 are fixedly arranged on the outer side of the crucible 2, heat-insulating layers 5 are arranged on the outer sides of the first heating ring 3 and the second heating ring 4, a core bar 6 is arranged in the crucible 2, a pressure sensor 601 is fixedly connected to one side of the core bar 6, a furnace cover 7 and a gas pipe 701 are fixedly connected to the top end of the core bar 6, a feeder 8 is connected to the top end of the furnace cover 7, a forming mold 9 is fixedly arranged at the bottom end of the core bar 6, a forming outlet 10 is arranged at the bottom end of the forming mold 9, a cooling device 11 is fixedly arranged at the bottom end of the forming.
Wherein, first heating collar 3 and second heating collar 4 alternate segregation, first heating collar 3 is located forming die 9 top, and second heating collar 4 is located the forming die 9 outside, and first heating collar 3 and second heating collar 4 respectively fixedly connected with first heating electrode 301 and second heating electrode 401, can fully heat the quartz material in the crucible through setting up first heating collar and second heating collar, satisfy the required temperature in different stages.
Wherein, heat preservation 5 is located 1 inner walls of furnace body and between first heating collar 3 and the second heating collar 4, and is provided with the heat preservation sand in the heat preservation 5, through setting up the heat preservation sand in the heat preservation 5, prevents that the heat loss can accelerate the interior temperature raising efficiency messenger of crucible.
Wherein, core bar 6 runs through 7 center pins of bell and forming die 9 fixed connection, and core bar 6 is hollow structure, 6 top fixedly connected with gas-supply pipe 701 of core bar, and gas-supply pipe 701 runs through electric control valve 702 and gas holder 15 fixed connection, is hollow structure and core bar top fixedly connected with gas-supply pipe and gas holder through setting up the core bar, stabilizes inside atmospheric pressure.
Wherein, pressure sensor 601 fixed mounting is in bell 7 with core bar 6 one side fixed connection, and pressure sensor 601 and electric control valve 702 electric connection, through setting up pressure sensor, can and then improve the pressure regulating ability to improve product quality.
Wherein, a feeding pipe 801 is fixedly arranged on one side of the top end of the furnace cover 7, one end of the feeding pipe 801 penetrates through the feeding valve 802 and is fixedly connected with the feeder 8, the other end of the feeding pipe 801 is fixedly connected into the crucible 2, and quartz raw materials enter the crucible through the control feeding valve by arranging the feeding valve, so that feeding is facilitated.
Wherein, the outside of shaping export 10 is provided with insulating layer 16, and insulating layer 16 is close to shaping export 10 one side and is located between heat preservation 5 and shaping export 10, through setting up the insulating layer, can accelerate the cooling shaping of the quartz raw materials after melting.
Wherein, one side of the cooling water jacket 12 is fixedly connected with the water storage tank 13, the cooling pipeline 14 is arranged in the cooling water jacket 12, and the cooling pipeline 14 surrounds the quartz glass 17 in an annular shape, so that the cooling and forming speed of the quartz glass is increased, and the production efficiency is improved.
The working principle is as follows: when the multifunctional quartz glass continuous melting furnace works, a feeding valve 801 is opened, a feeder 8 penetrates through a furnace cover 7 through a feeding pipe 801 to add quartz raw materials into a crucible 2, the quartz raw materials in the crucible 2 are heated by respectively arranging a first heating ring 3 and a second heating ring 4 which are fixedly connected with a first heating electrode 301 and a second heating electrode 401, heat loss is prevented by arranging heat-insulating sand in an heat-insulating layer 5, the melted quartz raw materials are accelerated to be cooled and formed by arranging a heat-insulating layer 16 through a forming die 9 fixedly connected with the bottom end of a core rod 6, the pressure in the core rod 6 is adjusted by arranging a pressure sensor 601 and an electric control valve 702, circulating water is added into a cooling water jacket 12 from a water storage tank 13 by arranging a cooling device 11 to accelerate the cooling speed of quartz glass, the multifunctional quartz glass continuous melting furnace is respectively connected with the first heating electrode and the second heating electrode through arranging the first heating ring and the second heating, the quartz material in the crucible can be fully heated, and the temperature required in different stages is met; the core bar is of a hollow structure, and the top end of the core bar is fixedly connected with a gas pipe and a gas storage tank, so that the internal gas pressure is stabilized; the quartz glass cooling forming device has the advantages that the quartz glass cooling forming speed is increased and the production efficiency is improved by arranging the heat insulation layer and the cooling device, and the problems that the quartz sand material in the crucible is not heated sufficiently by the conventional heating mode, the reaction is not sufficient, most of the quartz glass cooling forming speed in the prior art is low and the like are effectively solved, and the quartz glass cooling forming device has higher practical value.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A multifunctional quartz glass continuous melting furnace comprises a furnace body (1) and a crucible (2), and is characterized in that the crucible (2) is fixedly installed in the furnace body (1), a first heating ring (3) and a second heating ring (4) are fixedly installed on the outer side of the crucible (2), a heat insulating layer (5) is arranged on the outer sides of the first heating ring (3) and the second heating ring (4), a core rod (6) is arranged in the crucible (2), a pressure sensor (601) is fixedly connected to one side of the core rod (6), a furnace cover (7) and a gas pipe (701) are fixedly connected to the top end of the core rod (6), a feeder (8) is connected to the top end of the furnace cover (7), a forming die (9) is fixedly arranged at the bottom end of the core rod (6), a forming outlet (10) is arranged at the bottom end of the forming die (9), and a cooling device (11) is fixedly, the cooling device (11) comprises a cooling water jacket (12), a water storage tank (13) and a cooling pipeline (14).
2. The multi-functional continuous quartz glass melting furnace according to claim 1, wherein the first heating ring (3) and the second heating ring (4) are separated from each other, the first heating ring (3) is located on the top of the forming mold (9), the second heating ring (4) is located outside the forming mold (9), and the first heating ring (3) and the second heating ring (4) are fixedly connected with a first heating electrode (301) and a second heating electrode (401), respectively.
3. The multifunctional quartz glass continuous melting furnace according to claim 1, characterized in that the heat-insulating layer (5) is positioned between the inner wall of the furnace body (1) and the first heating ring (3) and the second heating ring (4), and heat-insulating sand is arranged in the heat-insulating layer (5).
4. The multifunctional quartz glass continuous melting furnace according to claim 1, characterized in that the core rod (6) penetrates through a central shaft of the furnace cover (7) and is fixedly connected with the forming die (9), the core rod (6) is of a hollow structure, the top end of the core rod (6) is fixedly connected with an air pipe (701), and the air pipe (701) penetrates through an electric control valve (702) and is fixedly connected with an air storage tank (15).
5. The multifunctional quartz glass continuous melting furnace according to claim 1 or 4, characterized in that the pressure sensor (601) is fixedly arranged in the furnace cover (7) and fixedly connected with one side of the core rod (6), and the pressure sensor (601) is electrically connected with the electric control valve (702).
6. The multifunctional quartz glass continuous melting furnace as claimed in claim 1, wherein a feeding pipe (801) is fixedly installed on one side of the top end of the furnace cover (7), one end of the feeding pipe (801) penetrates through a feeding valve (802) to be fixedly connected with a feeder (8), and the other end of the feeding pipe (801) is fixedly connected into the crucible (2).
7. The multifunctional continuous quartz glass melting furnace according to claim 1, characterized in that a heat insulating layer (16) is arranged outside the forming outlet (10), and the side of the heat insulating layer (16) close to the forming outlet (10) is positioned between the heat insulating layer (5) and the forming outlet (10).
8. The multifunctional quartz glass continuous melting furnace according to claim 1, characterized in that a water storage tank (13) is fixedly connected to one side of the cooling water jacket (12), a cooling pipe (14) is arranged in the cooling water jacket (12), and the cooling pipe (14) surrounds the quartz glass (17) in a ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011020423.1A CN111977940A (en) | 2020-09-24 | 2020-09-24 | Multifunctional quartz glass continuous melting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011020423.1A CN111977940A (en) | 2020-09-24 | 2020-09-24 | Multifunctional quartz glass continuous melting furnace |
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| Publication Number | Publication Date |
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| CN111977940A true CN111977940A (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011020423.1A Pending CN111977940A (en) | 2020-09-24 | 2020-09-24 | Multifunctional quartz glass continuous melting furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336424A (en) * | 2021-07-02 | 2021-09-03 | 潜江菲利华石英玻璃材料有限公司 | Quartz glass's combustor automatic water supply device |
| CN113998868A (en) * | 2021-12-07 | 2022-02-01 | 山东高速工程检测有限公司 | Device and method for preparing titanium barium system high-refractive-index glass |
| CN114105453A (en) * | 2021-11-12 | 2022-03-01 | 东海县翰腾石英制品有限公司 | Heat insulation process for quartz plate production |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1254492A (en) * | 1968-06-06 | 1971-11-24 | Westinghouse Electric Corp | Method of reducing air lines and water content in the manufacture of silica glass |
| CN102897995A (en) * | 2012-09-19 | 2013-01-30 | 江苏太平洋石英股份有限公司 | Quartz tube, quartz rod continuous furnace |
| CN203360263U (en) * | 2013-07-08 | 2013-12-25 | 连云港华凌石英制品有限公司 | Gas intake system for quartz glass pipe manufacture |
| CN105923980A (en) * | 2016-06-27 | 2016-09-07 | 连云港福东正佑照明电器有限公司 | Quartz continuous smelting furnace core bar pressure stabilizing device |
| CN208949130U (en) * | 2018-09-04 | 2019-06-07 | 江苏太平洋石英股份有限公司 | A kind of quartz glass plate continuous induction melting furnace of homogeneous heating |
| CN212532732U (en) * | 2020-09-24 | 2021-02-12 | 连云港三明石英制品有限公司 | Multifunctional quartz glass continuous melting furnace |
-
2020
- 2020-09-24 CN CN202011020423.1A patent/CN111977940A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1254492A (en) * | 1968-06-06 | 1971-11-24 | Westinghouse Electric Corp | Method of reducing air lines and water content in the manufacture of silica glass |
| CN102897995A (en) * | 2012-09-19 | 2013-01-30 | 江苏太平洋石英股份有限公司 | Quartz tube, quartz rod continuous furnace |
| CN203360263U (en) * | 2013-07-08 | 2013-12-25 | 连云港华凌石英制品有限公司 | Gas intake system for quartz glass pipe manufacture |
| CN105923980A (en) * | 2016-06-27 | 2016-09-07 | 连云港福东正佑照明电器有限公司 | Quartz continuous smelting furnace core bar pressure stabilizing device |
| CN208949130U (en) * | 2018-09-04 | 2019-06-07 | 江苏太平洋石英股份有限公司 | A kind of quartz glass plate continuous induction melting furnace of homogeneous heating |
| CN212532732U (en) * | 2020-09-24 | 2021-02-12 | 连云港三明石英制品有限公司 | Multifunctional quartz glass continuous melting furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336424A (en) * | 2021-07-02 | 2021-09-03 | 潜江菲利华石英玻璃材料有限公司 | Quartz glass's combustor automatic water supply device |
| CN114105453A (en) * | 2021-11-12 | 2022-03-01 | 东海县翰腾石英制品有限公司 | Heat insulation process for quartz plate production |
| CN113998868A (en) * | 2021-12-07 | 2022-02-01 | 山东高速工程检测有限公司 | Device and method for preparing titanium barium system high-refractive-index glass |
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