NO831071L - Anvendelse av temperatur- og korrosjonsbestandige gasstette materialer som beskyttende overtrekk for metalldelen av kombinasjonselektroder for utvinning av metaller ved smeltebadelektrolyse - Google Patents
Anvendelse av temperatur- og korrosjonsbestandige gasstette materialer som beskyttende overtrekk for metalldelen av kombinasjonselektroder for utvinning av metaller ved smeltebadelektrolyseInfo
- Publication number
- NO831071L NO831071L NO831071A NO831071A NO831071L NO 831071 L NO831071 L NO 831071L NO 831071 A NO831071 A NO 831071A NO 831071 A NO831071 A NO 831071A NO 831071 L NO831071 L NO 831071L
- Authority
- NO
- Norway
- Prior art keywords
- use according
- composite material
- carbon
- ceramic component
- oxide
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 12
- 239000002184 metal Substances 0.000 title claims abstract description 12
- 150000002739 metals Chemical class 0.000 title claims abstract 4
- 238000000605 extraction Methods 0.000 title claims abstract 3
- 239000011253 protective coating Substances 0.000 title claims 2
- 230000008018 melting Effects 0.000 title 1
- 238000002844 melting Methods 0.000 title 1
- 239000010421 standard material Substances 0.000 title 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000007797 corrosion Effects 0.000 claims abstract description 5
- 238000005260 corrosion Methods 0.000 claims abstract description 5
- 238000005868 electrolysis reaction Methods 0.000 claims abstract 5
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 239000003575 carbonaceous material Substances 0.000 claims 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical class [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims 3
- 239000002245 particle Substances 0.000 claims 3
- 230000001681 protective effect Effects 0.000 claims 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims 3
- 229910001887 tin oxide Inorganic materials 0.000 claims 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims 2
- 239000011230 binding agent Substances 0.000 claims 2
- 239000000571 coke Substances 0.000 claims 2
- 239000000835 fiber Substances 0.000 claims 2
- 239000000395 magnesium oxide Substances 0.000 claims 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 2
- 229910021382 natural graphite Inorganic materials 0.000 claims 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 2
- 229910000505 Al2TiO5 Inorganic materials 0.000 claims 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 235000012211 aluminium silicate Nutrition 0.000 claims 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims 1
- 239000003830 anthracite Substances 0.000 claims 1
- 229910052810 boron oxide Inorganic materials 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000004927 clay Substances 0.000 claims 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound 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 1
- 238000010304 firing Methods 0.000 claims 1
- 229910052839 forsterite Inorganic materials 0.000 claims 1
- 239000004615 ingredient Substances 0.000 claims 1
- MFJNMOFNZSZVAP-UHFFFAOYSA-N magnesium chromium(3+) oxygen(2-) Chemical compound [O-2].[Mg+2].[Cr+3] MFJNMOFNZSZVAP-UHFFFAOYSA-N 0.000 claims 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910052863 mullite Inorganic materials 0.000 claims 1
- 239000002006 petroleum coke Substances 0.000 claims 1
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 claims 1
- 229910052761 rare earth metal Inorganic materials 0.000 claims 1
- 150000002910 rare earth metals Chemical class 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 1
- 229910010271 silicon carbide Inorganic materials 0.000 claims 1
- 229910052814 silicon oxide Inorganic materials 0.000 claims 1
- 229910052851 sillimanite Inorganic materials 0.000 claims 1
- 229910052566 spinel group Inorganic materials 0.000 claims 1
- 239000011271 tar pitch Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000011787 zinc oxide Substances 0.000 claims 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/02—Electrodes; Connections thereof
- C25C7/025—Electrodes; Connections thereof used in cells for the electrolysis of melts
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/013—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics containing carbon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/12—Anodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/10—Mountings, supports, terminals or arrangements for feeding or guiding electrodes
- H05B7/101—Mountings, supports or terminals at head of electrode, i.e. at the end remote from the arc
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Electrolytic Production Of Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Ceramic Products (AREA)
- Prevention Of Electric Corrosion (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Secondary Cells (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823215537 DE3215537A1 (de) | 1982-04-26 | 1982-04-26 | Verwendung von temperatur- und korosionsbestaendigen gasdichten materialien als schutzueberzug fuer den metallteil von kombinationselektroden fuer die schmelzflusselektrolyse zur gewinnung von metallen, sowie hieraus gebildete schutzringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO831071L true NO831071L (no) | 1983-10-27 |
Family
ID=6161984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO831071A NO831071L (no) | 1982-04-26 | 1983-03-24 | Anvendelse av temperatur- og korrosjonsbestandige gasstette materialer som beskyttende overtrekk for metalldelen av kombinasjonselektroder for utvinning av metaller ved smeltebadelektrolyse |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4534836A (pt) |
| EP (1) | EP0092704B1 (pt) |
| JP (1) | JPS5920485A (pt) |
| AT (1) | ATE28902T1 (pt) |
| BR (1) | BR8301891A (pt) |
| DD (1) | DD209660A5 (pt) |
| DE (2) | DE3215537A1 (pt) |
| ES (1) | ES521819A0 (pt) |
| NO (1) | NO831071L (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4687566A (en) * | 1985-03-06 | 1987-08-18 | Swiss Aluminium Ltd. | Protective collar for anode spade pin |
| FR2606796B1 (fr) * | 1986-11-14 | 1989-02-03 | Savoie Electrodes Refract | Revetement de protection destine aux rondins d'anodes precuites |
| NO885787D0 (no) * | 1988-04-29 | 1988-12-28 | Robotec Eng As | Fremgangsmaate og anordning for stoeping av krage paa anodenipler. |
| EP3015441A4 (en) * | 2013-06-26 | 2016-12-21 | Asahi Glass Co Ltd | POWDER COMPOSITION FOR MONOLITHIC TIN OXIDE REFRACTORY ELEMENT, PRODUCTION METHOD FOR MONOLITHIC TIN OXIDE REFRACTORY ELEMENT, GLASS FUSION FURNACE, AND WASTE FUSION FURNACE |
| AT527066A1 (de) * | 2023-03-23 | 2024-10-15 | Alfred Edlinger Dipl Ing | Elektrolysevorrichtung zur Durchführung einer Schmelzflusselektrolyse |
| CN116396094B (zh) * | 2023-03-24 | 2024-03-01 | 中铝郑州有色金属研究院有限公司 | 一种铁酸镍基陶瓷惰性阳极与金属导电块的连接方法 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1360633A (fr) * | 1967-08-14 | 1964-05-08 | Union Carbide Corp | Composés réfractaires et leur procédé de fabrication |
| SE391348B (sv) * | 1971-09-07 | 1977-02-14 | Aluminum Co Of America | Elektrodanordning for anvendning i korrosiv atmosfer |
| US3745107A (en) * | 1971-09-07 | 1973-07-10 | Aluminum Co Of America | Protected electrode lead for use in a corrosive environment |
| CH575014A5 (pt) * | 1973-05-25 | 1976-04-30 | Alusuisse | |
| DE2547061B2 (de) * | 1975-10-21 | 1978-06-08 | Kaiser-Preussag Aluminium Gmbh & Co, Voerde, 4223 Voerde | Vorrichtung zum Schutz von Stromzuführungszapfen an Anodenkohlen für die Schmelzflußelektrolyse von Aluminium |
| US4111765A (en) * | 1976-12-23 | 1978-09-05 | Diamond Shamrock Technologies S.A. | Silicon carbide-valve metal borides-carbon electrodes |
| US4145564A (en) * | 1978-01-30 | 1979-03-20 | Andrew Dennie J | Non-consumable electrode with replaceable graphite tip |
| DE2910811C2 (de) * | 1979-02-16 | 1982-02-18 | Schweizerische Aluminium AG, 3965 Chippis | Stromzuleitereinrichtung für Elektroden |
| EP0022921B1 (de) * | 1979-07-20 | 1983-10-26 | C. CONRADTY NÜRNBERG GmbH & Co. KG | Regenerierbare, formstabile Elektrode für Hochtemperaturanwendungen |
| US4308114A (en) * | 1980-07-21 | 1981-12-29 | Aluminum Company Of America | Electrolytic production of aluminum using a composite cathode |
| US4376029A (en) * | 1980-09-11 | 1983-03-08 | Great Lakes Carbon Corporation | Titanium diboride-graphite composits |
| EP0050680A1 (de) * | 1980-10-27 | 1982-05-05 | C. CONRADTY NÜRNBERG GmbH & Co. KG | Elektrode für Schmelzflusselektrolyse |
| DE3071075D1 (en) * | 1980-10-27 | 1985-10-17 | Conradty Nuernberg | Electrode for igneous electrolysis |
| ATE17875T1 (de) * | 1980-10-27 | 1986-02-15 | Conradty Nuernberg | Elektrode fuer schmelzflusselektrolyse. |
| US4354918A (en) * | 1981-01-14 | 1982-10-19 | Martin Marietta Corporation | Anode stud coatings for electrolytic cells |
| DE3102776A1 (de) * | 1981-01-28 | 1982-08-26 | C. Conradty Nürnberg GmbH & Co KG, 8505 Röthenbach | Elektrode fuer lichtbogenoefen |
| US4417097A (en) * | 1981-06-04 | 1983-11-22 | Aluminum Company Of America | High temperature, corrosion resistant coating and lead for electrical current |
| DE3277506D1 (en) * | 1981-07-27 | 1987-11-26 | Commw Aluminium Corp | Refractory hard material-carbon fiber cathode coatings for aluminum reduction cells |
| US4377463A (en) * | 1981-07-27 | 1983-03-22 | Great Lakes Carbon Corporation | Controlled atmosphere processing of TiB2 /carbon composites |
| DE3135912A1 (de) * | 1981-09-10 | 1983-03-24 | C. Conradty Nürnberg GmbH & Co KG, 8505 Röthenbach | Axial verschiebbarer elektrodenhalter zum einsatz bei der schmelzflusselektrolyse |
-
1982
- 1982-04-26 DE DE19823215537 patent/DE3215537A1/de not_active Withdrawn
-
1983
- 1983-03-24 NO NO831071A patent/NO831071L/no unknown
- 1983-03-28 US US06/479,276 patent/US4534836A/en not_active Expired - Fee Related
- 1983-04-06 AT AT83103351T patent/ATE28902T1/de not_active IP Right Cessation
- 1983-04-06 EP EP83103351A patent/EP0092704B1/de not_active Expired
- 1983-04-06 DE DE8383103351T patent/DE3372990D1/de not_active Expired
- 1983-04-07 DD DD83249645A patent/DD209660A5/de unknown
- 1983-04-13 BR BR8301891A patent/BR8301891A/pt unknown
- 1983-04-25 ES ES521819A patent/ES521819A0/es active Granted
- 1983-04-26 JP JP58073675A patent/JPS5920485A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4534836A (en) | 1985-08-13 |
| ES8506111A1 (es) | 1985-06-16 |
| ES521819A0 (es) | 1985-06-16 |
| EP0092704B1 (de) | 1987-08-12 |
| JPS5920485A (ja) | 1984-02-02 |
| BR8301891A (pt) | 1983-12-20 |
| EP0092704A1 (de) | 1983-11-02 |
| DD209660A5 (de) | 1984-05-16 |
| DE3215537A1 (de) | 1983-10-27 |
| ATE28902T1 (de) | 1987-08-15 |
| DE3372990D1 (en) | 1987-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4471059A (en) | Carbon-containing refractory | |
| US3274093A (en) | Cathode construction for aluminum production | |
| BRPI1008931B1 (pt) | método de produção de refratário carbonáceo | |
| EP0476112A1 (en) | CARBON-MAGNESITE REFRACTORIES. | |
| NO831071L (no) | Anvendelse av temperatur- og korrosjonsbestandige gasstette materialer som beskyttende overtrekk for metalldelen av kombinasjonselektroder for utvinning av metaller ved smeltebadelektrolyse | |
| US3083111A (en) | Furnace lining brick | |
| NO884194L (no) | Hoeyren innvendig foring for en elektro-lavsjaktovn. | |
| JP4189087B2 (ja) | 溶鋼用真空脱ガス炉の内張り構造およびそれに使用する断熱板 | |
| JPS58125660A (ja) | 高耐用性スライデイングノズルプレ−トの製造法 | |
| EP0116194B1 (en) | A carbon-containing refractory | |
| JPH04310570A (ja) | 高炉用耐火物の製造方法 | |
| JPH0822780B2 (ja) | 高炉出銑樋カバー用流し込み不定形耐火物 | |
| EP0094342B1 (en) | Combination electrodes for the electric steel production with protective jacket of temperature resistant materials on its metal shaft | |
| JPH0437448A (ja) | 広幅薄肉スラブ鋳造用ノズル | |
| JP2006021972A (ja) | マグネシア−カーボンれんが | |
| KR20000040775A (ko) | 카본함유 부정형 내화조성물 | |
| JP4203157B2 (ja) | マグネシア質耐火物 | |
| JP2556416B2 (ja) | 高炉樋用流し込み材 | |
| JP6975027B2 (ja) | 不定形耐火物 | |
| Nitta et al. | Development of Carbon Blocks for Blast Furnace Hearth | |
| CN213342716U (zh) | 一种远红外水性碳纤维发热丝 | |
| JP2004155611A (ja) | 再生耐火物およびその製造方法 | |
| JPS6152099B2 (pt) | ||
| JPH08145576A (ja) | 電気炉出鋼樋用不定形耐火物 | |
| KR100825635B1 (ko) | 고로 출선통 보수용 내화물 |