CN210825953U - Composite heating high-homogeneity glass fiber drawing furnace - Google Patents
Composite heating high-homogeneity glass fiber drawing furnace Download PDFInfo
- Publication number
- CN210825953U CN210825953U CN201921641962.XU CN201921641962U CN210825953U CN 210825953 U CN210825953 U CN 210825953U CN 201921641962 U CN201921641962 U CN 201921641962U CN 210825953 U CN210825953 U CN 210825953U
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- CN
- China
- Prior art keywords
- district
- melting
- glass
- glass fiber
- heater
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 36
- 239000003365 glass fiber Substances 0.000 title claims abstract description 19
- 239000002131 composite material Substances 0.000 title claims description 11
- 238000012681 fiber drawing Methods 0.000 title claims description 9
- 239000011521 glass Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000002844 melting Methods 0.000 claims abstract description 35
- 230000008018 melting Effects 0.000 claims abstract description 35
- 238000000265 homogenisation Methods 0.000 claims abstract description 22
- 238000005491 wire drawing Methods 0.000 claims abstract description 7
- 239000011449 brick Substances 0.000 claims abstract description 5
- 239000006060 molten glass Substances 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 239000011733 molybdenum Substances 0.000 claims description 7
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical group [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 238000005192 partition Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007380 fibre production Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/029—Furnaces therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The utility model relates to a high homogeneity glass fiber wire drawing stove of combined heating, include the furnace body of constituteing by melting district and homogenization district, be provided with between melting district and homogenization district and keep off the brick, all be provided with heating device in melting district and homogenization district, heating device in the homogenization district is including the last heater that is located the inside lower heater of glass liquid and is located glass liquid top. The utility model has the characteristics of the glass liquid gets rid of the bubble can the reinforce, glass homogenization is effectual to it is high to have degree of automation, can increase of production's characteristics.
Description
Technical Field
The utility model belongs to the technical field of a glass fiber production facility technique and specifically relates to a high homogeneity glass fiber wire drawing stove of composite heating.
Background
The glass fiber is an inorganic non-metallic material with excellent performance, has the advantages of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, is usually used as a reinforcing material, an electrical insulating material and a heat insulation material in a composite material, and is widely applied to the national economy fields of circuit substrates and the like. The glass fiber production process has two main aspects influencing the quality of the glass fiber: the glass homogenizing effect and the bubble rate are particularly important, the homogenizing effect is ensured to be generally realized by controlling the temperature of the glass liquid when the glass liquid is discharged, and the glass liquid is kept in a certain temperature range, so that a furnace body for heating and homogenizing the glass material puts forward higher requirements, a heating device and a heat preservation device are generally arranged in a furnace of a traditional furnace body and are used for heating and melting the glass material and preserving the heat of the glass liquid, for example, the Chinese patent with the publication number of 206014696U, the product has the defects that the product is positioned in a liquid outlet area, namely a homogenizing area, the surface of the glass liquid can be heated only, the surface temperature of the glass liquid is different from the internal temperature, the surface temperature is higher than the internal temperature, bubbles in the glass liquid are not easy to discharge, and the bubble rate of the glass liquid is high, and the homogenizing effect is poor; the heating efficiency is low, and the requirement of high yield cannot be met.
Disclosure of Invention
The utility model provides a composite heating high-homogeneity glass fiber drawing furnace which is favorable for removing bubbles from glass liquid and has good glass homogenization effect to overcome the defects.
The utility model adopts the technical proposal that: the utility model provides a high homogeneity glass fiber wire drawing stove of combined heating, includes the furnace body of constituteing by melting district and homogenization district, is provided with between melting district and homogenization district and keeps off the brick, all is provided with heating device, characterized by in melting district and homogenization district: the heating means in the homogenizing zone comprises a lower heater located inside the molten glass and an upper heater located above the molten glass.
As an optimized mode of the utility model, the lower heater is a plate-type molybdenum electrode heater, and the upper heater is a silicon carbide rod heater.
As a further preferable mode of the present invention, a partition plate is provided between the upper heater and the glass liquid level.
Further, the heating device in the melting zone is a plate-type molybdenum electrode heater and is positioned in the inner position of the molten glass.
Further, the bottom of the homogenizing zone is higher than the bottom of the melting zone, and a slope is arranged between the bottom of the furnace body and the two zones.
Furthermore, high-temperature thermocouples are arranged in the melting area and the homogenizing area, and liquid level probes are arranged in the melting area.
Furthermore, a liquid outlet at the bottom of the homogenizing zone is provided with a leakage plate which is detachably connected.
The utility model discloses all be provided with the heater on the molten glass upper portion in homogenization district and inside, the effect of the last heater on molten glass upper portion is for molten glass surface heating, makes the molten glass arrange the bubble more easily, improves clarification effect, and the effect of the lower heater in the molten glass is for the molten glass lasts to provide sufficient heat, obtains high homogeneity molten glass, can reach DE, D level finer glass fiber's operation requirement even. The upper heater and the lower heater can also improve the heating efficiency in the homogenizing area, improve the melting capacity of the glass and meet the production requirement of high-yield operation.
The lower heater is a plate-type molybdenum electrode heater, has the characteristics of high-temperature strength, good high-temperature oxidation resistance and long service life, is suitable for being used in molten glass, has high reliability and is convenient to manufacture and install; the upper heater is set as a silicon-carbon rod heater, the silicon-carbon rod has high service temperature, and has the characteristics of high temperature resistance, oxidation resistance, corrosion resistance, fast temperature rise, long service life, small high-temperature deformation, convenient installation and maintenance and the like, and has the characteristic of good chemical stability, so that bubbles on the upper part of glass liquid can be discharged more easily.
The bottom of the homogenizing area is higher than the bottom of the melting area, and a slope structure is formed at the bottom of the furnace body, so that a rising channel can be formed when glass liquid in the melting area flows to the homogenizing area, and the length of the rising channel is prolonged compared with a boss structure in the prior art, so that the glass is homogenized more fully. The high-temperature thermocouple and the liquid level probe are arranged, so that the temperature and the height of the glass liquid in the two working areas can be adjusted in time, and particularly, the temperature of the glass liquid in the homogenization area is accurately controlled, so that the glass liquid is kept in a certain temperature range for a long time.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
Now combine the attached drawing to be right the utility model discloses do further description, fig. 1 is the utility model discloses an embodiment, a compound heating high homogeneity glass fiber wire drawing stove, include the furnace body of constituteing by melting district and homogenization district, establish at the top of melting district with ball hole 1, automatic feeding channel and this hole intercommunication with the ball machine, melting district and homogenization district are linked together at the bottom, are provided with between melting district and homogenization district and keep off brick 2, all are provided with heating device in melting district and homogenization district, the utility model discloses in, heating device in the homogenization district is including the upper heater 3 that is located the inside lower heater 4 of glass liquid and is located the glass liquid top. In this embodiment, the lower heater 4 is a plate-type molybdenum electrode heater, the upper heater 3 is a silicon carbide rod heater, the partition plate 5 is arranged between the upper heater 3 and the glass liquid level, the partition plate 5 can be made of an alumina material, the thickness of the partition plate is about 50mm, the falling-off silicon carbide rod can be prevented from falling into the glass liquid to affect the wire drawing operation, and the reliability is higher. Because the elema heater can not with glass direct contact, otherwise can influence the life of elema greatly, can pollute glass moreover, so, the utility model discloses if under the condition of not setting up baffle 5, the elema heater need with glass face top keep apart more than 15 centimetres at least. The heating device in the melting zone is a plate-type molybdenum electrode heater and is positioned in the inner position of the molten glass. The lower heater 4 in the homogenizing zone and the heating device in the melting zone are generally installed according to the height of the furnace body or the designed glass liquid level height, for example, when the designed glass liquid level height is (150 mm), the lower heater 4 and the heating device in the melting zone are generally positioned at the height (20 mm) from the bottom surface of the furnace body, so that the heating efficiency of the two heaters can be ensured.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention, and embodiment 2 includes the following technical features in addition to all the technical features of embodiment 1: the bottom of the homogenizing zone is higher than the bottom of the melting zone, and a slope structure is arranged at the joint of the two zones, namely a slope 6 is arranged at the bottom of the furnace body and between the two zones. Typically the inclination of the ramp 6 is between 20 and 50. In this embodiment, high temperature thermocouples 7 are provided in both the melting zone and the homogenization zone, and a level probe 8 is provided in the melting zone. The high-temperature thermocouple 7 and the liquid level probe 8 are both connected with the controller through circuits, the controller is respectively connected with each heating device and the automatic ball feeder through the circuits, the high-temperature thermocouple 7 can detect the temperature of glass liquid at the position about 25mm below the liquid level of the glass and upload the temperature to the controller, and the controller controls the opening of the heating devices to control the melting temperature of the glass liquid and provide high-quality glass liquid for wire drawing operation; the liquid level probe 8 is usually arranged at the top of the melting area close to the position of the blocking brick 2, the ball feeding speed of the ball feeding machine can be automatically controlled according to the liquid level height of the glass detected by the liquid level probe 8, and the liquid level height of the glass is kept stable. The high temperature thermocouple 7, the liquid level probe 8 and the controller are all prior art, and the working principle thereof and the detailed description thereof are omitted. In this embodiment, the liquid outlet that is located homogenization district bottom is provided with bushing 9 that can dismantle the connection, the convenient change. The bushing 9 can be provided with a maximum 1600-hole bushing 9, ensuring high yield under the condition of greatly increasing the melting capacity of the furnace body.
The utility model has the characteristics of the glass liquid gets rid of the bubble can the reinforce, glass homogenization is effectual to it is high to have degree of automation, can increase of production's characteristics.
Claims (7)
1. The utility model provides a high homogeneity glass fiber wire drawing stove of combined heating, includes the furnace body of constituteing by melting district and homogenization district, is provided with between melting district and homogenization district and keeps off the brick, all is provided with heating device, characterized by in melting district and homogenization district: the heating means in the homogenizing zone comprises a lower heater located inside the molten glass and an upper heater located above the molten glass.
2. The composite heating high-homogeneity glass fiber drawing furnace according to claim 1, characterized in that: the lower heater is a plate-type molybdenum electrode heater, and the upper heater is a silicon carbide rod heater.
3. The composite heating high-homogeneity glass fiber drawing furnace according to claim 2, characterized in that: a clapboard is arranged between the upper heater and the glass liquid level.
4. The composite heating high-homogeneity glass fiber drawing furnace according to claim 1, characterized in that: and the heating device in the melting zone is a plate-type molybdenum electrode heater and is positioned in the glass metal.
5. The composite heating high-homogeneity glass fiber drawing furnace according to claim 1, characterized in that: the bottom of the homogenizing zone is higher than the bottom of the melting zone, and a slope is arranged at the bottom of the furnace body and between the two zones.
6. The composite heating high-homogeneity glass fiber drawing furnace according to any one of claims 1 to 5, characterized in that: high-temperature thermocouples are arranged in the melting area and the homogenizing area, and liquid level probes are arranged in the melting area.
7. The composite heating high-homogeneity glass fiber drawing furnace according to claim 6, characterized in that: a liquid outlet at the bottom of the homogenizing zone is provided with a bushing which is detachably connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641962.XU CN210825953U (en) | 2019-09-29 | 2019-09-29 | Composite heating high-homogeneity glass fiber drawing furnace |
| RU2020128546U RU201719U1 (en) | 2019-09-29 | 2020-08-27 | ANNEALING FURNACE FOR COMBINED HIGH-UNIFORM HEATING OF GLASS FIBER |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641962.XU CN210825953U (en) | 2019-09-29 | 2019-09-29 | Composite heating high-homogeneity glass fiber drawing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210825953U true CN210825953U (en) | 2020-06-23 |
Family
ID=71263932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921641962.XU Active CN210825953U (en) | 2019-09-29 | 2019-09-29 | Composite heating high-homogeneity glass fiber drawing furnace |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210825953U (en) |
| RU (1) | RU201719U1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5100449A (en) * | 1990-08-16 | 1992-03-31 | Corning Incorporated | Method of forming glass articles |
| AU652795B2 (en) * | 1991-01-18 | 1994-09-08 | Isover Saint-Gobain | Process and device for obtaining mineral fibres |
| RU2097345C1 (en) * | 1996-04-02 | 1997-11-27 | Товарищество с ограниченной ответственностью "Ассоциация "Стеклопластик" | Apparatus for manufacturing fibers of thermoplastic materials |
| FR2774085B3 (en) * | 1998-01-26 | 2000-02-25 | Saint Gobain Vitrage | PROCESS FOR MELTING AND REFINING VITRIFIABLE MATERIALS |
| CN206014696U (en) * | 2016-08-26 | 2017-03-15 | 江苏九鼎新材料股份有限公司 | A kind of glass fiber drawing furnace |
-
2019
- 2019-09-29 CN CN201921641962.XU patent/CN210825953U/en active Active
-
2020
- 2020-08-27 RU RU2020128546U patent/RU201719U1/en active
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| Publication number | Publication date |
|---|---|
| RU201719U1 (en) | 2020-12-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 271000 room 3520, building 1, Wanda Plaza, Taishan street, Taishan District, Tai'an City, Shandong Province Patentee after: Tai'an Shunmao New Materials Group Co.,Ltd. Country or region after: China Address before: 271000 No. 1915 and 1916, 19th floor, business office building, No. 8, Wanda Plaza, Taishan street, Tai'an City, Shandong Province Patentee before: SIMO NEW MATERIAL TECHNOLOGY Co.,Ltd. Country or region before: China |