CN113277706A - Special multi-bushing plate tank furnace for producing pure basalt fibers - Google Patents
Special multi-bushing plate tank furnace for producing pure basalt fibers Download PDFInfo
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- CN113277706A CN113277706A CN202110389978.1A CN202110389978A CN113277706A CN 113277706 A CN113277706 A CN 113277706A CN 202110389978 A CN202110389978 A CN 202110389978A CN 113277706 A CN113277706 A CN 113277706A
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- 229920002748 Basalt fiber Polymers 0.000 title claims abstract description 37
- 238000002844 melting Methods 0.000 claims abstract description 59
- 230000008018 melting Effects 0.000 claims abstract description 59
- 238000005352 clarification Methods 0.000 claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 230000009194 climbing Effects 0.000 claims abstract description 10
- 239000012768 molten material Substances 0.000 claims abstract description 10
- 239000011449 brick Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- 239000003345 natural gas Substances 0.000 claims description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 5
- 239000011819 refractory material Substances 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 230000035699 permeability Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000005491 wire drawing Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 239000006060 molten glass Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000007380 fibre production Methods 0.000 description 2
- 239000000156 glass melt Substances 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- C03B5/03—Tank furnaces
-
- 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
- C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
- C03B37/083—Nozzles; Bushing nozzle plates
-
- 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
- C03B5/225—Refining
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The invention provides a special multi-bushing plate tank furnace for producing pure basalt fibers, which relates to the field of inorganic non-metallic material processing and comprises the following components: the device comprises an operation passage and a plurality of unit kilns arranged on two sides of the operation passage, wherein a passage combustor and a plurality of leakage plates are arranged in the operation passage, the passage combustor is arranged on the side wall of the operation passage, the unit kilns are communicated with the operation passage through a clarification channel, the clarification channel comprises side-inserted electrodes and climbing bricks, the side-inserted electrodes are arranged on the side wall of the clarification channel, and the climbing bricks are arranged at the joint of the clarification channel and the operation passage, wherein the unit kilns are used for heating and melting basalt raw materials, the clarification channel and the operation passage are used for conveying the basalt in a molten state, so that molten materials output by the unit kilns are gathered to the leakage plates, and the leakage plates are used for preparing pure basalt fibers. Aiming at the characteristic of poor heat permeability of basalt melt, the melting mode is improved, the production efficiency is improved, the equipment maintenance difficulty is reduced through the distributed unit kiln design, and the investment cost is reduced.
Description
Technical Field
The invention relates to the field of processing of inorganic non-metallic materials, in particular to a special multi-bushing plate tank furnace for producing pure basalt fibers.
Background
At present, basalt fiber is generally produced in a crucible method production operation mode, most enterprises try to perform a tank furnace test for improving production efficiency and saving production energy consumption, but because natural basalt ore is non-uniform, the drawing temperature corresponding to basalt melt is high and easy to crystallize, and the basalt melt has the characteristic of extremely poor heat permeability, if the production scale needs to be enlarged, a large tank furnace needs to be built to meet the requirement of full melting, the large tank furnace does not have the requirement of stopping production midway to replace a melting part, and if the tank furnace stops production, the whole production line stops production, so expensive materials and systems need to be selected to support. The conditions of high tank furnace investment cost, low finished product rate, unstable fiber performance and the like still exist in more production enterprises at present, and the existing production technology and process have great promotion space.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art or the related technology, and provides the special multi-bushing tank furnace for producing the pure basalt fiber, aiming at the characteristic of poor heat permeability of basalt melt, the melting mode is improved, the production efficiency is improved, the equipment maintenance difficulty is reduced and the investment cost is reduced through the design of a distributed unit furnace.
The invention is realized by the following technical scheme: a special multi-bushing plate tank furnace for producing pure basalt fibers comprises: the device comprises an operation passage and a plurality of unit kilns arranged on two sides of the operation passage, wherein a passage combustor and a plurality of leakage plates are arranged in the operation passage, the passage combustor is arranged on the side wall of the operation passage, the unit kilns are communicated with the operation passage through a clarification channel, the clarification channel comprises side insertion electrodes and climbing bricks, the side insertion electrodes are arranged on the side wall of the clarification channel, the climbing bricks are arranged at the joint of the clarification channel and the operation passage, the unit kilns are used for heating and melting basalt raw materials, the clarification channel and the operation passage are used for conveying the basalt in a molten state, so that the molten materials output by the unit kilns are gathered to the leakage plates, and the leakage plates are used for preparing pure basalt fibers.
In the technical scheme, the multi-kiln frequent-output melting material is matched with the multi-leakage plates, so that the production efficiency is improved, the temperature of the melting material is adjusted, clarified and purified on the gathering path of the multi-kiln, the flame temperature is controlled through the passage burner, and the excellent fiber performance is ensured. Specifically, the amount of basalt bodies which are melted by each unit kiln is small, the raw material melting quality is convenient to improve, the melting state is kept, the defect of poor heat permeability of the wu-rock melt is overcome, the melting total amount of a plurality of small unit kilns is obviously higher than that of a large single kiln, and the yield is improved by the cooperative work of a plurality of distributed kilns (unit kilns) and working passages of a plurality of leakage plates. The distributed kiln can realize that melting materials are frequently produced by a plurality of kilns, and one melting part can be independently replaced in the production process, so that the materials are generally cheap materials. However, large unit kilns do not have the requirement to shut down production and replace the melting section. If the kiln is off, the entire production line is off, so expensive materials and systems must be selected for support. In addition, once the kiln is large, the kiln cannot be guaranteed to be used by using cheap materials. But small kilns have less demanding material usage.
According to the special multi-bushing plate tank furnace for producing pure basalt fibers, provided by the invention, preferably, the unit furnace body comprises: melting portion, melting portion apron, charge door, combustor and end insert the electrode, and wherein, melting portion apron covers melting portion, and the charge door setting is in melting portion apron and the intercommunication melting portion, and the flame projecting mouth setting of combustor is inside melting portion to heat melting portion inner space, and the electrode setting is inserted in the end in melting portion bottom, so that heat the melting material.
According to the special multi-bushing plate tank furnace for producing the pure basalt fibers, provided by the invention, preferably, the combustor is connected with a pure oxygen and natural gas premixing system, the bottom inserted electrode is a rod-shaped molybdenum electrode, and the bottom inserted electrode is connected with a three-phase Scott transformer.
According to the special multi-bushing plate tank furnace for producing the pure basalt fibers, the number of the bottom insertion electrodes is preferably determined according to the current density of a molten material, the model of a transformer and the melting capacity of a melting part, at least three bottom insertion electrodes are uniformly distributed at the bottom of the melting part, one group of the three bottom insertion electrodes is connected with a Scott transformer, and one bottom insertion electrode is shared between every two adjacent groups.
According to the special multi-bushing plate tank furnace for producing the pure basalt fibers, provided by the invention, preferably, the operation passage and the clarification channel are both of cuboid pipeline structures surrounded by refractory materials, and the inner diameter of the clarification channel is larger than that of the operation passage.
According to the special multi-bushing plate tank furnace for producing the pure basalt fibers, preferably, the plurality of side insertion electrodes are distributed on the side wall of the clarification channel, the distance between the side insertion electrodes is 280mm, and the power of the plurality of side insertion electrodes is sequentially reduced.
According to the special multi-bushing plate tank furnace for producing pure basalt fibers, preferably, the first group of side-inserted electrode power is configured to be 2.5kW, the second group of side-inserted electrode power is configured to be 2.2kW, the third group of side-inserted electrode power is configured to be 2.0kW, the fourth group of side-inserted electrode power is configured to be 1.9kW, and the fifth group of side-inserted electrode power is configured to be 1.8 kW.
According to the special multi-bushing plate tank furnace for producing pure basalt fibers, which is provided by the invention, preferably, the number of the unit furnaces is 6, and the unit furnaces are arranged on two sides of the operation passage in a pairwise symmetry manner.
The beneficial effects obtained by the invention at least comprise: the novel basalt fiber production method is characterized in that an innovative process layout is adopted, a plurality of monomer kilns are arranged on two sides of a shared operation passage on the basis of monomer basalt kilns to meet the requirement of fully melting basalt ores, a reasonable molten material climbing material channel is arranged to fully enable molten materials to reach the requirement of homogenization and clarification, the molten materials entering the shared operation passage are guaranteed to reach the wire drawing requirement, the shared wire drawing material channel adopts a pure oxygen combustion technology to guarantee uniform temperature in the passage and stable quality of the molten materials, the bottleneck of producing the multi-bushing plate by basalt fibers is solved, basic conditions are indirectly provided for producing the high-performance basalt fibers with low energy consumption, and important technical bottlenecks are solved for industrialization of the basalt fibers. The tank furnace also has the advantages of long service life of the material channel, capability of shutting down and maintaining the unit furnace at any time, capability of adjusting the melting rate according to requirements and the like.
Drawings
Fig. 1 shows a schematic top view of a special multi-bushing plate tank furnace for producing pure basalt fiber according to one embodiment of the present invention.
Fig. 2 is a schematic front structural view illustrating a multi-bushing plate tank furnace specially used for producing pure basalt fiber according to one embodiment of the present invention.
Fig. 3 shows a left side structural view of the special multi-bushing plate tank kiln for producing pure basalt fiber according to one embodiment of the invention.
Fig. 4 shows a structural schematic diagram of a bottom-inserted electrode of the multi-bushing plate tank kiln special for producing pure basalt fibers according to one embodiment of the invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and detailed description.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; 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 through specific situations.
As shown in fig. 1, 2 and 3, one specific embodiment of the special multi-bushing plate tank furnace for producing pure basalt fiber disclosed by the invention is as follows: each unit kiln is provided with a plurality of feed inlets 1 which are mainly arranged at the opposite central positions of a melting part cover plate 2, basalt ore reaches the lower part of the feed inlets 1 through an automatic feeder, a plurality of burners 3 are arranged below the melting part cover plate 2, the burners 3 adopt a pure oxygen and natural gas premixing system as a medium to heat the whole melting flame space 4, the basalt ore entering the kiln is preliminarily melted by the radiant heat of the melting flame space 4, the liquid level height 5 is taken as a boundary, and the lower half part of the burners adopts a bottom inserted electrode 6 to heat glass liquid. The glass liquid that melting portion passed through flame melting space 4 radiant heat and bottom and inserted electrode 6 heating flows through clarification channel 7, 10 side inserted electrodes 8 have been predetermine in clarification channel 7, each group electrode of side inserted electrode 8 uses single-phase step down transformer power supply mode, carry out the orderly temperature regulation from melting portion and preliminary fused glass liquid, make it reach glass liquid clarification effect, glass liquid after the clarification flows to climbing brick 9 and finally gets into operation route 10 in, climbing brick 9's effect mainly blocks the bottom impurity that probably remains in preliminary fusion and clarification process, glass liquid is after getting into operation route 10, the tunnel flame space 13 is efficiently heated by the tunnel burners 12 provided below the tunnel cover plate 11, and the temperature is kept stable so that the molten glass can smoothly enter the bushing 14 and the wire drawing operation state is kept stable.
The level 5 is determined by the height of the glass level in the working channel (e.g. 400 mm) and then pushed back, plus the height of the ramp, e.g. 100 mm. This makes it possible to determine that the total liquid level is 300 mm. The depth of electrode penetration into the glass bath is 5 mm (295 mm) below the total bath level to allow sufficient melting of the ore.
The arrangement of the bottom insertion electrodes 6 has strict requirements, one is according to the current density of glass melt (melting material) in the kiln, and the second is according to the number and the distance of the electrodes arranged by using the type of the transformer. Thirdly, the arrangement is based on the melting capacity of the whole melting part. (three electrodes are 1 set, using scott transformers, and are shared adjacent, the position of the common electrode 40 is shown in figure 4). The whole is uniformly arranged in the melting part, so that the melting part is fully melted. The side-inserted electrode spacing of 280mm is the optimum, less than 280mm, high energy consumption (more electrodes are required to be arranged at the same distance), and more than 280mm, the adverse effect is brought because the glass liquid is seriously cooled and needs to be reheated to keep the proper temperature. The output power of each side insert electrode is configured to be sequentially reduced, for example: the first group of symmetrically arranged side insertion electrodes is 2.5kw, the second group of side insertion electrodes is 2.2kw, the third group of side insertion electrodes is 2.0kw, the fourth group of side insertion electrodes is 1.9kw, and the fifth group of side insertion electrodes is 1.8 kw.
Whether the molten glass (melt) is clear or not can be determined as follows: if the wire drawing operation is stable, the clarifying effect of the molten glass is achieved. The laboratory measures the relationship between the temperature and viscosity of the glass liquid using log2.5 vs. log to verify that a fining effect has been achieved. Then, in the present case, we use the parameters of multiple sets of side-inserted electrodes and the temperature change of the molten glass to illustrate and achieve the clarification effect: the side-inserted electrode is stable after reaching the set parameters, and no large voltage fluctuation occurs.
In this embodiment, the unit furnace is responsible for meeting the melting requirements, and the melting efficiency can be adjusted while maintaining the quality of the melt according to the aggregate discharge of the bushing 14. The shared operation passage uses high-quality refractory materials, the service life of more than 5 years is ensured, the unit kilns use common refractory materials, and one unit kiln can be shut down at any time according to the production capacity arrangement, so that the flexible requirement of reducing the production capacity is met. When the unit kiln breaks down, any one of the unit kilns can be shut down, so that the effect of overhauling the unit kiln and properly reducing the discharge amount of an operation passage without stopping production is achieved.
The following results can be obtained through experiments: the unit kiln has electric power of about 75Kw/H and natural gas of about 8.5M3H, about 27M natural gas is used in the working passage3And H, the discharge amount of the electric power of the bushing 14 is about 10.5Kw/H and about 32 KG/H. The full bobbin rate is about 70%, the wire drawing yield is about 85%, and the wire drawing yield is improved by about 15% compared with the common process scheme. In the embodiment of the invention, the 12 blocks are installed together 800The daily output of the perforated bushing is about 9.2 tons, the total power is about 576Kw/H, and the total amount of natural gas is about 78M3And H, the conversion standard coal is 0.85 ton coal/ton yarn, and the energy is reduced by about 35 percent compared with the common process scheme.
In conclusion, the invention realizes the requirement of stable operation of the multi-bushing plate tank furnace by constructing a plurality of electric mixing melting furnaces and a common operation material channel. According to the design of fiber production tank furnaces at home and abroad and the combination of the characteristics of basalt glass melts, the invention adopts an innovative process layout, takes the single basalt kilns as the basis, solves the requirement of full melting by arranging a plurality of single kilns at two sides of a shared operation material channel, and is matched with a reasonable melt climbing material channel so as to fully enable the melt to reach the requirements of homogenization and clarification, ensures that the melt entering the shared operation material channel reaches the wire drawing requirement, ensures that the temperature in the channel is uniform by adopting a pure oxygen combustion technology for the shared wire drawing material channel, and ensures that the quality of the melt (molten material) is stable, thereby solving the bottleneck of producing the multi-bushing plate by basalt fibers. Indirectly provides basic conditions for producing high-performance basalt fibers with low energy consumption, and solves important technical bottlenecks for the industrialization of the basalt fibers.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a special many bushing plate tank furnace of production pure basalt fiber which characterized in that includes: the device comprises an operation passage and a plurality of unit kilns arranged on two sides of the operation passage, wherein a passage burner and a plurality of leakage plates are arranged in the operation passage, the passage burner is arranged on the side wall of the operation passage, the unit kilns are communicated with the operation passage through a clarification channel, the clarification channel comprises side insertion electrodes and climbing bricks, the side insertion electrodes are arranged on the side wall of the clarification channel, and the climbing bricks are arranged at the joint of the clarification channel and the operation passage, wherein the unit kilns are used for heating molten basalt raw materials, the clarification channel and the operation passage are used for conveying the basalt in a molten state, so that molten materials output by the unit kilns are converged to the leakage plates, and the leakage plates are used for preparing pure basalt fibers.
2. The special multi-bushing tank furnace for producing pure basalt fibers according to claim 1, wherein the unit furnace body comprises: melting portion, melting portion apron, charge door, combustor and end insert the electrode, wherein, melting portion apron covers melting portion, the charge door sets up melting portion apron is last and is linked through melting portion, the flame projecting mouth of combustor sets up inside melting portion to heat melting portion inner space, the end is inserted the electrode setting and is in melting portion bottom, so that heat the melting material.
3. The special multi-bushing plate tank furnace for producing the pure basalt fiber according to claim 2, wherein the burner is connected with a pure oxygen and natural gas premixing system, the bottom-inserted electrode is a rod-shaped molybdenum electrode, and the bottom-inserted electrode is connected with a three-phase Scott transformer.
4. The special multi-bushing tank furnace for producing pure basalt fibers according to claim 3, wherein the number of the bottom-inserted electrodes is determined according to the current density of the molten material, the type of the transformer and the melting capacity of the melting part, at least three bottom-inserted electrodes are uniformly distributed at the bottom of the melting part, one bottom-inserted electrode is connected with the Scott transformer, and one bottom-inserted electrode is shared between two adjacent groups.
5. The special multi-bushing plate tank furnace for producing pure basalt fibers according to claim 1, wherein the operation passage and the clarification channel are both rectangular pipe structures surrounded by refractory materials, and the inner diameter of the clarification channel is larger than that of the operation passage.
6. The special multi-bushing plate tank furnace for producing pure basalt fibers according to claim 1, wherein a plurality of side insertion electrodes are distributed on the side wall of the clarification channel, the distance between the side insertion electrodes is 280mm, and the power of the side insertion electrodes is sequentially reduced.
7. The special multi-bushing plate tank furnace for producing pure basalt fibers according to claim 6, wherein the sequentially lowering comprises:
the first set of side-inserted electrode power was configured to be 2.5kW, the second set of side-inserted electrode power was configured to be 2.2kW, the third set of side-inserted electrode power was configured to be 2.0kW, the fourth set of side-inserted electrode power was configured to be 1.9kW, and the fifth set of side-inserted electrode power was configured to be 1.8 kW.
8. The special multi-bushing tank furnace for producing pure basalt fibers according to any one of claims 1 to 7, wherein the number of the unit furnaces is 6, and the unit furnaces are symmetrically arranged on two sides of the operation passage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110389978.1A CN113277706B (en) | 2021-04-12 | 2021-04-12 | Special multi-bushing tank furnace for producing pure basalt fibers |
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| CN202110389978.1A CN113277706B (en) | 2021-04-12 | 2021-04-12 | Special multi-bushing tank furnace for producing pure basalt fibers |
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| CN113277706A true CN113277706A (en) | 2021-08-20 |
| CN113277706B CN113277706B (en) | 2024-01-05 |
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| CN209957637U (en) * | 2019-03-13 | 2020-01-17 | 泰安恒成复合材料工程技术有限公司 | Tank furnace for producing basalt continuous fibers |
| CN214991118U (en) * | 2021-04-12 | 2021-12-03 | 姚树飞 | Special multi-bushing plate tank furnace for producing pure basalt fibers |
-
2021
- 2021-04-12 CN CN202110389978.1A patent/CN113277706B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB225837A (en) * | 1923-12-06 | 1925-09-10 | Saint Gobain | Continuous furnace for glass manufacture |
| CN2878376Y (en) * | 2006-04-20 | 2007-03-14 | 同济大学 | Vertical cold-top melted boron-silicon float glass double combined full electric melting furnace |
| CN201793467U (en) * | 2010-08-19 | 2011-04-13 | 董世成 | Tank furnace used for producing basalt continuous filaments |
| CN202945143U (en) * | 2012-11-26 | 2013-05-22 | 董世成 | Tank furnace for producing basalt continuous filament with annular output of 5000 tons |
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| CN214991118U (en) * | 2021-04-12 | 2021-12-03 | 姚树飞 | Special multi-bushing plate tank furnace for producing pure basalt fibers |
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