CN113666628A - Quartz glass plate draws quartz fiber device - Google Patents
Quartz glass plate draws quartz fiber device Download PDFInfo
- Publication number
- CN113666628A CN113666628A CN202110964210.2A CN202110964210A CN113666628A CN 113666628 A CN113666628 A CN 113666628A CN 202110964210 A CN202110964210 A CN 202110964210A CN 113666628 A CN113666628 A CN 113666628A
- Authority
- CN
- China
- Prior art keywords
- plate
- quartz glass
- glass plate
- worm
- limiting plate
- Prior art date
- 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.)
- Pending
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 239000010453 quartz Substances 0.000 title claims abstract description 38
- 239000000835 fiber Substances 0.000 title claims description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 238000002844 melting Methods 0.000 claims abstract description 48
- 230000008018 melting Effects 0.000 claims abstract description 48
- 238000003466 welding Methods 0.000 claims abstract description 48
- 238000002485 combustion reaction Methods 0.000 claims abstract description 36
- 238000009413 insulation Methods 0.000 claims description 13
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000012681 fiber drawing Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 22
- 239000007788 liquid Substances 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 230000004927 fusion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005491 wire drawing Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material 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
- C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
-
- 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
- C03B37/10—Non-chemical treatment
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The invention discloses a quartz fiber drawing device for a quartz glass plate, which comprises a main frame, a limiting plate, a welding combustion chamber, the quartz glass plate, a transmission assembly and a melting assembly, wherein the limiting plate is arranged on the main frame, the welding combustion chamber is arranged on the limiting plate, the transmission assembly is arranged at the lower end of the welding combustion chamber, the melting assembly is arranged on the limiting plate, the melting assembly is arranged at the lower end of the transmission assembly, and the quartz glass plate penetrates through the limiting plate and the welding combustion chamber and is arranged in the transmission assembly.
Description
Technical Field
The invention belongs to the technical field of nursing, and particularly relates to a device for drawing quartz fibers from a quartz glass plate.
Background
The production process of the quartz fiber at present adopts a method of melting and drawing quartz glass rods, the production process comprises the steps of vertically conveying a plurality of quartz rods by using a quartz rod clamping device, then melting the quartz rods by using an oxyhydrogen flame burner below the quartz rod clamping and conveying device and drawing the wires, closing the burner when the operation is carried out until the upper end of the quartz rod is close to the burner, and then continuously drawing the wires after replacing the quartz rods by workers, the production process can cause the quartz rods to be incompletely used to cause a large amount of waste, simultaneously can cause the quartz rods to be broken during replacing the quartz rods, increases the waste of raw materials, and in addition, during the time when the workers replace the quartz rods, the drawing operation is suspended, thus causing the low production efficiency, and if more quartz glass rods are used, one quartz glass rod is unstable, all can cause the unstability of wire drawing operation, and flame is when burning quartz rod simultaneously, and only the temperature of flame core is utilized, and other heats have all been given off to the environment in, have caused the waste of the energy.
Disclosure of Invention
In order to solve the problems, the invention provides a device for drawing quartz fiber from a quartz glass plate, which has high efficiency, high stability and low energy consumption.
In order to realize the functions, the technical scheme adopted by the invention is as follows: a quartz glass plate quartz fiber drawing device comprises a main frame, a limiting plate, a welding combustion chamber, a quartz glass plate, a transmission assembly and a melting assembly, wherein the limiting plate is arranged on the main frame, the welding combustion chamber is arranged on the limiting plate, the transmission assembly is arranged at the lower end of the welding combustion chamber, the melting assembly is arranged on the limiting plate, the melting assembly is arranged at the lower end of the transmission assembly, and the quartz glass plate penetrates through the limiting plate and the welding combustion chamber and is arranged in the transmission assembly; the transmission assembly drives the quartz glass plate to move downwards to enter the melting assembly, the melting assembly heats and melts the quartz glass plate, after the upper end of the melting quartz glass plate is arranged in the welding combustion cavity, the other quartz glass plate to be melted penetrates through the limiting plate to be arranged between the limiting plate and the welding combustion cavity, the upper end of the melting quartz glass plate and the lower end of the other quartz glass plate to be melted are welded under the heating of the welding combustion cavity, and the effect of continuous operation without stopping is achieved.
Preferably, the transmission assembly comprises a coupler, a worm end plate, a worm wheel, a motor plate, a transmission roller end plate, a motor and a transmission roller, the motor plate is arranged on the outer side wall of the main frame, the motor is arranged on the motor plate, the worm end plate is arranged on the limiting plate, the transmission roller end plate is arranged on the limiting plate, the worm is arranged on the worm end plate, one end of the coupler is connected with the output shaft end of the motor, the other end of the coupler is connected with the worm, the worm wheel is arranged on the transmission roller end plate, the worm wheel is meshed with the worm, the transmission roller is arranged on the transmission roller end plate, the worm wheel penetrates through the transmission roller end plate to be connected with the transmission roller, and the quartz glass plate is arranged between the transmission rollers; the transmission roller is designed in a segmented manner, the position right below the welding burner is hollowed, the transmission roller is prevented from being burnt out when a welding point moves to the position of the transmission roller due to overhigh welding temperature, and meanwhile, the phenomenon that the movement of a quartz glass plate is unstable to cause unstable wire drawing operation due to the fact that the welding point is protruded occasionally can be prevented; the quartz glass plate keeps vertical under the effect of limiting plate, and motor work drives the shaft coupling rotatory, and the shaft coupling drives the worm rotatory, and the worm drives the worm wheel rotatory, and the worm wheel drives the driving roller rotatory, and the driving roller promotes the quartz glass plate slowly downstream and gets into and melt in the subassembly.
Furthermore, the melting assembly comprises a melting groove, a combustion cavity, a gas cavity and a heat insulation layer, the heat insulation layer is arranged on the limiting plate, the combustion cavity is arranged in the heat insulation layer, the gas cavity is arranged on the outer side of the heat insulation layer, the gas cavity is connected with the combustion cavity, and the melting groove is arranged in the combustion cavity; the driving roller pushes the quartz glass plate to slowly move downwards to enter the melting tank, combustible gas and oxygen are filled into the gas cavity and are sprayed out through fire holes in the gas cavity to be ignited, then the combustible gas and the oxygen are combusted in the combustion cavity and heat the melting tank, the quartz glass plate in the melting tank is melted into quartz glass liquid, the quartz glass liquid flows out of the melting tank to form quartz fiber thick yarns, then the thick yarns are drawn and bundled by workers to form quartz fiber tows, and finally the quartz fibers are formed by drawing.
The limiting plate is provided with a plurality of groups, and the plurality of groups are sequentially arranged on the main frame from top to bottom.
Wherein, the bottom wall is equipped with the silk hole of exposing in the melting tank, is convenient for discharge the quartz glass liquid that melts from the melting tank.
In order to prevent the welding point from moving to the position of the driving roller, the driving roller is burnt and occasionally has the problem of welding point protrusion, the driving roller is designed in a segmented mode, and the position right below the welding burner is hollowed out.
Furthermore, a through hole is formed in the limiting plate.
The invention adopts the structure to obtain the following beneficial effects: the quartz glass plate quartz fiber drawing device provided by the invention is simple to operate and reasonable in design, the quartz glass plate keeps vertical under the action of the limiting plate, and meanwhile, the quartz glass plate slowly moves downwards under the action of the driving roller to enter the melting tank, combustible gas and oxygen are filled in the gas cavity and are sprayed out through the fire holes on the gas cavity to be ignited, then the gas cavity burns and heats the melting tank, the quartz glass plate in the melting tank is melted into quartz glass liquid, the quartz glass liquid flows out from the filament exposing holes of the melting tank to form quartz fiber thick filaments, then the thick filaments are drawn and gathered into quartz fiber tows by workers, finally, the quartz fibers are drawn to form quartz fibers, when the upper end face of the quartz glass plate moves to the position of the welding burner, a new quartz glass plate is inserted, the lower end face of the new quartz glass plate is contacted with the upper end face of the quartz glass plate in operation, meanwhile, a welding burner in the welding combustion chamber is ignited to weld the two quartz glass plates, so that the technical effect of continuous operation without stopping the machine is realized; the driving roller is designed in a segmented mode, the position under the welding burner is hollowed out, the welding temperature is too high, the driving roller is burnt by the position where the welding spot moves to the driving roller, meanwhile, the welding spot which appears occasionally is prevented from being raised, and the quartz glass plate is influenced to move unstably so that the wire drawing operation is unstable.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for drawing a quartz fiber from a quartz glass plate according to the present invention;
FIG. 2 is an isometric view of an apparatus for drawing quartz fibers from a quartz glass plate according to the present invention;
FIG. 3 is a bottom view of an apparatus for drawing a silica fiber from a silica glass plate according to the present invention;
FIG. 4 is a schematic view of a partial structure of a melting assembly of an apparatus for drawing a quartz fiber from a quartz glass plate according to the present invention;
FIG. 5 is a left side view of an apparatus for drawing a silica fiber from a silica glass plate according to the present invention.
The welding device comprises a main frame 1, a main frame 2, a limiting plate 3, a welding combustion cavity 4, a quartz glass plate 5, a transmission assembly 6, a melting assembly 7, a coupler 8, a worm 9, a worm end plate 10, a worm wheel 11, a motor plate 12, a transmission roller end plate 13, a motor 14, a transmission roller 15, a melting groove 16, a combustion cavity 17, a gas cavity 18, a heat insulation layer 19, a filament exposure hole 20 and a through hole.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-5, the device for drawing quartz fibers from a quartz glass plate of the invention comprises a main frame 1, a limiting plate 2, a welding combustion chamber 3, a quartz glass plate 4, a transmission assembly 5 and a melting assembly 6, wherein the limiting plate 2 is arranged on the main frame 1, the welding combustion chamber 3 is arranged on the limiting plate 2, the transmission assembly 5 is arranged at the lower end of the welding combustion chamber 3, the melting assembly 6 is arranged on the limiting plate 2, the melting assembly 6 is arranged at the lower end of the transmission assembly 5, and the quartz glass plate 4 penetrates through the limiting plate 2 and the welding combustion chamber 3 and is arranged in the transmission assembly 5; the transmission assembly 5 drives the quartz glass plate 4 to move downwards to enter the melting assembly 6, the melting assembly 6 heats and melts the quartz glass plate 4, after the upper end of the melting quartz glass plate 4 is arranged in the welding combustion chamber 3, the other quartz glass plate 4 needing to be melted is arranged between the limiting plate 2 and the welding combustion chamber 3 by penetrating the limiting plate 2, the upper end of the melting quartz glass plate 4 and the lower end of the other quartz glass plate 4 needing to be melted are welded under the heating of the welding combustion chamber 3, and the effect of continuous operation without stopping is achieved.
The transmission assembly 5 comprises a coupler 7, a worm 8, a worm end plate 9, a worm wheel 10, a motor plate 11, a transmission roller end plate 12, a motor 13 and a transmission roller 14, the motor plate 11 is arranged on the outer side wall of the main frame 1, the motor 13 is arranged on the motor plate 11, the worm end plate 9 is arranged on the limiting plate 2, the transmission roller end plate 12 is arranged on the limiting plate 2, the worm 8 is arranged on the worm end plate 9, one end of the coupler 7 is connected with the output shaft end of the motor 13, the other end of the coupler 7 is connected with the worm 8, the worm wheel 10 is arranged on the transmission roller end plate 12, the worm wheel 10 is meshed with the worm 8, the transmission roller 14 is arranged on the transmission roller end plate 12, the worm wheel 10 penetrates through the transmission roller end plate 12 to be connected with the transmission roller 14, and the quartz glass plate 4 is arranged between the transmission rollers 14; the driving roller 14 is designed in a segmented manner, the position right below the welding burner is hollow, the welding temperature is too high, welding spots are prevented from moving to the position of the driving roller 14 to burn the driving roller 14, and meanwhile, the occasional welding spot bulge can be prevented from influencing unstable movement of the quartz glass plate 4 to cause unstable wire drawing operation; quartz glass plate 4 keeps vertical under limiting plate 2's effect, and motor 13 work drives shaft coupling 7 rotatory, and shaft coupling 7 drives the worm 8 rotatory, and worm 8 drives worm wheel 10 rotatory, and worm wheel 10 drives driving roller 14 rotatory, and driving roller 14 promotes quartz glass plate 4 slow downstream and gets into and melt in the subassembly 6.
The melting assembly 6 comprises a melting groove 15, a combustion cavity 16, a gas cavity 17 and a heat insulation layer 18, the heat insulation layer 18 is arranged on the limiting plate 2, the combustion cavity 16 is arranged in the heat insulation layer 18, the gas cavity 17 is arranged on the outer side of the heat insulation layer 18, the gas cavity 17 is connected with the combustion cavity 16, and the melting groove 15 is arranged in the combustion cavity 16; the driving roller 14 pushes the quartz glass plate 4 to slowly move downwards to enter the melting tank 15, at the moment, combustible gas and oxygen are filled in the gas cavity 17 and are sprayed out through fire holes in the gas cavity 17 to be ignited, then the combustible gas and the oxygen are combusted in the combustion cavity 16 to heat the melting tank 15, the quartz glass plate 4 in the melting tank 15 is melted into quartz glass liquid, the quartz glass liquid flows out from the melting tank 15 to form quartz fiber thick yarns, then the thick yarns are drawn and bundled by workers to form quartz fiber tows, and finally the quartz fibers are drawn to form the quartz fibers.
The limiting plates 2 are provided with a plurality of groups, and the limiting plates 2 are sequentially arranged on the main frame 1 from top to bottom.
Wherein, the bottom wall of the melting tank 15 is provided with a filament exposing hole 19, which is convenient for discharging the melted quartz glass liquid from the melting tank 15.
The limiting plate 2 is provided with a through hole 20.
In order to prevent the welding spots from moving to the position of the driving roller 14, the driving roller 14 is burnt and occasionally the welding spots are raised, the driving roller 14 is designed in a sectional manner, and the position right below the welding burner is hollowed out.
When the quartz glass plate fusion furnace is used specifically, the quartz glass plate 4 is kept vertical under the action of the limiting plate 2, and simultaneously moves downwards slowly under the action of the driving roller 14 to enter the fusion tank 15, combustible gas and oxygen are filled in the gas cavity 17 and are sprayed out through the fire holes on the gas cavity 17 to be ignited, then the quartz glass plate 4 in the fusion tank 15 is fused into quartz glass liquid, the quartz glass liquid flows out from the filament exposing holes 19 of the fusion tank 15 to form quartz fiber thick filaments, then the thick filaments are drawn and gathered into quartz fiber tows by workers, finally the quartz fiber tows are formed by drawing, when the upper end face of the quartz glass plate 4 moves to the position of a welding burner, a new quartz glass plate 4 is inserted, the lower end face of the new quartz glass plate 4 is contacted with the upper end face of the quartz glass plate 4 in operation, and simultaneously the welding burner in the welding combustion cavity 3 is ignited to weld the two quartz glass plates 4, the technical effect of continuous operation without stopping the machine is realized.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a quartz glass board draws quartz fiber device which characterized in that: including main frame, limiting plate, welding burning chamber, quartz glass board, transmission assembly and melt the subassembly, the limiting plate is located on the main frame, the welding burning chamber is located on the limiting plate, the transmission assembly is located on the limiting plate, welding burning chamber lower extreme is located to the transmission assembly, it locates on the limiting plate to melt the subassembly, it locates the transmission assembly lower extreme to melt the subassembly, the quartz glass board runs through the limiting plate and the welding burning chamber is located in the transmission assembly.
2. An apparatus for drawing a silica fiber from a silica glass plate according to claim 1, wherein: the transmission assembly comprises a shaft coupling, a worm end plate, a worm wheel, a motor plate, a transmission roller end plate, a motor and a transmission roller, the motor plate is arranged on the outer side wall of the main frame, the motor is arranged on the motor plate, the worm end plate is arranged on the limiting plate, the transmission roller end plate is arranged on the limiting plate, the worm is arranged on the worm end plate, one end of the shaft coupling is connected with the output shaft end of the motor, the other end of the shaft coupling is connected with the worm, the worm wheel is arranged on the transmission roller end plate, the worm wheel is meshed with the worm, the transmission roller is arranged on the transmission roller end plate, the worm wheel penetrates through the transmission roller end plate and is connected with the transmission roller, and the quartz glass plate is arranged between the transmission rollers.
3. An apparatus for drawing a silica fiber from a silica glass plate as claimed in claim 2, wherein: the melting assembly comprises a melting groove, a combustion cavity, a gas cavity and a heat insulation layer, the heat insulation layer is arranged on the limiting plate, the combustion cavity is arranged in the heat insulation layer, the gas cavity is arranged on the outer side of the heat insulation layer, the gas cavity is connected with the combustion cavity, and the melting groove is arranged in the combustion cavity.
4. An apparatus for drawing a silica fiber from a silica glass plate as claimed in claim 3, wherein: the limiting plates are provided with a plurality of groups, and the limiting plates are sequentially arranged on the main frame from top to bottom.
5. An apparatus for drawing a silica fiber from a silica glass plate as claimed in claim 4, wherein: and the bottom wall in the melting tank is provided with a wire exposing hole.
6. An apparatus for drawing a silica fiber from a silica glass plate as claimed in claim 5, wherein: the driving roller is designed in a segmented mode.
7. An apparatus for drawing a silica fiber from a silica glass plate as claimed in claim 6, wherein: and the limiting plate is provided with a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110964210.2A CN113666628A (en) | 2021-08-25 | 2021-08-25 | Quartz glass plate draws quartz fiber device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110964210.2A CN113666628A (en) | 2021-08-25 | 2021-08-25 | Quartz glass plate draws quartz fiber device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113666628A true CN113666628A (en) | 2021-11-19 |
Family
ID=78544727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110964210.2A Pending CN113666628A (en) | 2021-08-25 | 2021-08-25 | Quartz glass plate draws quartz fiber device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113666628A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1250642A (en) * | 1967-12-01 | 1971-10-20 | ||
| US4643750A (en) * | 1974-11-13 | 1987-02-17 | Owens-Corning Fiberglas Corporation | Method and apparatus for producing glass fibers |
| CN104671642A (en) * | 2015-01-30 | 2015-06-03 | 中国南玻集团股份有限公司 | Glass rolling production method and glass rolling production line |
| CN112645586A (en) * | 2021-02-02 | 2021-04-13 | 李珑 | Welding type continuous rod feeding device for quartz fiber drawing |
-
2021
- 2021-08-25 CN CN202110964210.2A patent/CN113666628A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1250642A (en) * | 1967-12-01 | 1971-10-20 | ||
| US4643750A (en) * | 1974-11-13 | 1987-02-17 | Owens-Corning Fiberglas Corporation | Method and apparatus for producing glass fibers |
| CN104671642A (en) * | 2015-01-30 | 2015-06-03 | 中国南玻集团股份有限公司 | Glass rolling production method and glass rolling production line |
| CN112645586A (en) * | 2021-02-02 | 2021-04-13 | 李珑 | Welding type continuous rod feeding device for quartz fiber drawing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11233484B2 (en) | Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers | |
| CN113480163A (en) | Device and process for drawing quartz fibers from quartz glass plate | |
| CN113666628A (en) | Quartz glass plate draws quartz fiber device | |
| CN101148316A (en) | Method and device for producing quartz glass cotton | |
| CN201317846Y (en) | Fabric as burner covering | |
| JPS61501772A (en) | Methods and bushings for the production of glass fibers | |
| CN113716848A (en) | Hollow glass brick butt joint process | |
| CN215517176U (en) | Quartz glass's oxyhydrogen combustor | |
| CN216427087U (en) | Quartz lead smelting furnace | |
| JPH11100214A (en) | Glass melting furnace | |
| JP7198423B2 (en) | Method for manufacturing glass article | |
| CN205592998U (en) | Combustion furnace | |
| CN200960753Y (en) | Thermal-insulation flame-proof cushion | |
| CN1246240C (en) | Method and apparatus for thermal treatment of opitcal fiber | |
| CN211111686U (en) | Production equipment for gas melting continuous-pulling quartz rod | |
| CN208869483U (en) | A kind of kiln for forcing to keep the temperature for producing basalt continuous fiber and furnace bottom | |
| US3077093A (en) | Method for forming glass fibers | |
| CN112592029A (en) | Kiln for producing high-temperature glass | |
| CN218951233U (en) | Melting-assisting heater in pool | |
| CN220524637U (en) | Waste salt high-temperature melting furnace | |
| CN215765070U (en) | Prefabricated forming part for industrial furnace burner | |
| CN211664950U (en) | Melting furnace for producing microfiber glass wool | |
| CN2187618Y (en) | Electric stove for producing fire-resistant fibre needle-punching blanket | |
| CA1070950A (en) | Support for bushing for containing heat-softenable material | |
| CN213257654U (en) | Lead-acid batteries electromagnetic induction terminal welding set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211119 |
|
| RJ01 | Rejection of invention patent application after publication |