CN220556270U - Energy-saving electric arc furnace for electric smelting zirconia - Google Patents
Energy-saving electric arc furnace for electric smelting zirconia Download PDFInfo
- Publication number
- CN220556270U CN220556270U CN202320467771.6U CN202320467771U CN220556270U CN 220556270 U CN220556270 U CN 220556270U CN 202320467771 U CN202320467771 U CN 202320467771U CN 220556270 U CN220556270 U CN 220556270U
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- furnace
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- furnace body
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- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000010891 electric arc Methods 0.000 title claims abstract description 17
- 238000003723 Smelting Methods 0.000 title claims abstract description 9
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 19
- 229920000742 Cotton Polymers 0.000 claims abstract description 14
- 238000004321 preservation Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 10
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 239000003063 flame retardant Substances 0.000 claims abstract description 3
- 239000000835 fiber Substances 0.000 claims description 11
- 239000011449 brick Substances 0.000 claims description 5
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 5
- 229910052863 mullite Inorganic materials 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims 1
- 229910001928 zirconium oxide Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 description 7
- 230000009970 fire resistant effect Effects 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910001868 water Inorganic materials 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- YALMXYPQBUJUME-UHFFFAOYSA-L calcium chlorate Chemical compound [Ca+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O YALMXYPQBUJUME-UHFFFAOYSA-L 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229910052845 zircon Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model relates to an energy-saving electric arc furnace for electric smelting zirconia, which comprises a furnace body and a furnace cover which are matched, and an electrode inserted into the furnace body from the furnace cover, and is characterized in that: the furnace body includes furnace body shell, heat preservation cotton layer, flame retardant coating, zirconium ramming material layer and the self-bonding furnace inside lining that set gradually from outside to inside, the bell includes the lid and sets up the explosion-proof heat preservation on the lid lower surface. The energy-saving electric arc furnace for electric smelting zirconia can improve the utilization rate of heat energy and has better energy-saving effect.
Description
Technical Field
The utility model relates to an electric arc furnace, in particular to an energy-saving electric arc furnace for electric smelting zirconia.
Background
The raw materials in the production process of the fused zirconia need to be supplemented with larger electric energy to provide heat for the reaction, so that the furnace body of the electric arc furnace has higher requirements, and the general steel furnace body cannot bear the high temperature caused by the heat. Therefore, circulating water is additionally arranged on the outer wall of the furnace body of the electric arc furnace for cooling so as to prolong the service life of the furnace body, but a part of heat is lost, and the power consumption is increased.
Disclosure of Invention
The utility model aims to solve the problem of providing an energy-saving electric arc furnace for electric smelting zirconia, which can improve the heat energy utilization rate and has better energy-saving effect. The technical scheme adopted is as follows:
an energy-conserving electric arc furnace for electric smelting zirconia, includes assorted furnace body and bell and inserts to the inside electrode of furnace body from the bell, its characterized in that: the furnace body includes furnace body shell, heat preservation cotton layer, flame retardant coating, zirconium ramming material layer and the self-bonding furnace inside lining that set gradually from outside to inside, the bell includes the lid and sets up the explosion-proof heat preservation on the lid lower surface.
The heat-insulating cotton layer is filled between the fire-resistant layer and the furnace body shell, so that heat insulation can be performed, and the insulativity of the furnace body can be ensured. The heat preservation cotton is fixed on the furnace body shell by adopting an anti-drop rivet.
The zirconium ramming material layer is formed by mixing produced zirconium balls, zirconium powder, phosphoric acid, water and calcium chlorate cement, and has good heat preservation effect.
The furnace shell and the cover are usually made of 20g boiler plates.
The furnace cover is provided with electrode holes (usually three) for inserting electrodes, a feeding pipe, an observation hole and an ash discharge hole.
The self-bonding furnace lining is a zirconium silicate lining formed by adding zircon sand into a furnace and heating.
As a preferable scheme of the utility model, the refractory layer is a mullite brick layer. The fireproof layer adopts mullite bricks, has good fireproof performance and good heat preservation performance.
As a further preferable scheme of the utility model, the explosion-proof heat-insulating layer is an explosion-proof fiber heat-insulating layer. The explosion-proof fiber heat-insulating layer can be fixed on the lower surface of the cover body by adopting an anti-drop rivet.
As a further preferable scheme of the utility model, the explosion-proof fiber heat-insulating layer is a zirconium explosion-proof fiber heat-insulating layer.
Compared with the prior art, the utility model has the following advantages:
the energy-saving electric arc furnace for electric smelting zirconia sequentially comprises a heat preservation cotton layer, a fire-resistant layer and a zirconium ramming material layer from outside to inside between a furnace body shell and a self-bonding furnace lining, wherein the fire resistance of the furnace body is improved, and the zirconium ramming material layer and the heat preservation cotton layer are respectively added inside and outside the fire-resistant layer to perform double heat preservation on the furnace body; meanwhile, the explosion-proof heat-insulating layer is arranged on the furnace cover, so that heat energy converted by electric energy of the electrode of the electric arc furnace can be effectively utilized, the heat energy utilization rate in the production process of the capacitance zirconia is greatly improved, and a better energy-saving effect is achieved.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of the present utility model;
wherein each of the marks is as follows: 1-a furnace body, 101-a furnace body shell, 102-a heat-insulating cotton layer, 103-a refractory layer (mullite brick layer), 104-a zirconium ramming material layer, 105-a self-bonding furnace lining and 106-an anti-drop rivet (for the heat-insulating cotton layer); 2-furnace cover, 201-cover body, 202-explosion-proof heat-insulating layer (zirconium explosion-proof fiber heat-insulating layer), 203-anti-drop rivet (zirconium explosion-proof fiber heat-insulating layer).
Detailed Description
The preferred embodiments of the present utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1, an energy-saving arc furnace for electric-melting zirconia comprises a furnace body 1 and a furnace cover 2 which are matched, and electrodes 3 (three in this embodiment) inserted into the furnace body 1 from the furnace cover 2; the furnace body 1 comprises a furnace body shell 101, a heat-insulating cotton layer 102, a refractory layer 103, a zirconium ramming material layer 104 and a self-bonding furnace lining 105 which are sequentially arranged from outside to inside, and the furnace cover 2 comprises a cover body 201 and an explosion-proof heat-insulating layer 202 arranged on the lower surface of the cover body 201.
In this embodiment, the furnace shell 101 and the cover 201 are typically made of 20g boiler plates; the refractory layer 103 adopts mullite bricks, has good fire resistance and good heat preservation performance; the insulating cotton layer 102 is filled between the refractory layer 103 and the furnace body shell 101, and the insulating cotton is fixed on the furnace body shell 101 by adopting the anti-drop rivet 106, so that the insulating property of the furnace body 1 can be ensured besides insulating; the zirconium ramming mass layer 104 is formed by mixing produced zirconium balls, zirconium powder, phosphoric acid, water and calcium chlorate cement, and has good heat preservation effect; the self-bonding furnace lining 105 is a zirconium silicate lining formed by adding zircon sand into a furnace and heating; the explosion-proof thermal insulation layer 202 is a zirconium explosion-proof fiber thermal insulation layer, and the zirconium explosion-proof fiber thermal insulation layer is fixed on the lower surface of the cover 201 by adopting an anti-drop rivet.
A heat insulation cotton layer 102, a fire-resistant layer 103 and a zirconium ramming material layer 104 are sequentially arranged between the furnace body shell 101 and the self-bonding furnace lining 105 from outside to inside, the fire resistance of the furnace body 1 is improved, and meanwhile, the zirconium ramming material layer 104 and the heat insulation cotton layer 102 are respectively additionally arranged inside and outside the fire-resistant layer 103 to perform double heat insulation on the furnace body 1; meanwhile, the explosion-proof heat-insulating layer 202 is arranged on the furnace cover 2, so that heat energy converted by electric energy of the electric arc furnace electrode 3 can be effectively utilized, the heat energy utilization rate in the production process of the capacitance zirconia is greatly improved, and a better energy-saving effect is achieved.
In addition, it should be noted that, in the specific embodiments described in the present specification, names of various parts and the like may be different, and all equivalent or simple changes of the structures, features and principles described in the conception of the present utility model are included in the protection scope of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.
Claims (4)
1. An energy-conserving electric arc furnace for electric smelting zirconia, includes assorted furnace body and bell and inserts to the inside electrode of furnace body from the bell, its characterized in that: the furnace body includes furnace body shell, heat preservation cotton layer, flame retardant coating, zirconium ramming material layer and the self-bonding furnace inside lining that set gradually from outside to inside, the bell includes the lid and sets up the explosion-proof heat preservation on the lid lower surface.
2. The energy-saving electric arc furnace for electric melting zirconia according to claim 1, characterized in that: the refractory layer is a mullite brick layer.
3. Energy-saving electric arc furnace for the electrofusion of zirconium oxide according to claim 1 or 2, characterized in that: the explosion-proof heat-insulating layer is an explosion-proof fiber heat-insulating layer.
4. An energy-saving electric arc furnace for electrofusion zirconia according to claim 3, characterized in that: the explosion-proof fiber heat-insulating layer is a zirconium explosion-proof fiber heat-insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320467771.6U CN220556270U (en) | 2023-03-13 | 2023-03-13 | Energy-saving electric arc furnace for electric smelting zirconia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320467771.6U CN220556270U (en) | 2023-03-13 | 2023-03-13 | Energy-saving electric arc furnace for electric smelting zirconia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220556270U true CN220556270U (en) | 2024-03-05 |
Family
ID=90051402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320467771.6U Active CN220556270U (en) | 2023-03-13 | 2023-03-13 | Energy-saving electric arc furnace for electric smelting zirconia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220556270U (en) |
-
2023
- 2023-03-13 CN CN202320467771.6U patent/CN220556270U/en active Active
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