CN111394578A - Method for preheating and smelting manganese ore sinter - Google Patents
Method for preheating and smelting manganese ore sinter Download PDFInfo
- Publication number
- CN111394578A CN111394578A CN202010360609.5A CN202010360609A CN111394578A CN 111394578 A CN111394578 A CN 111394578A CN 202010360609 A CN202010360609 A CN 202010360609A CN 111394578 A CN111394578 A CN 111394578A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- carbonaceous gas
- submerged arc
- gas
- containing carbonaceous
- 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.)
- Granted
Links
- 239000011572 manganese Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 40
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052748 manganese Inorganic materials 0.000 title claims abstract description 38
- 238000003723 Smelting Methods 0.000 title claims abstract description 18
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 111
- 239000007789 gas Substances 0.000 claims abstract description 81
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 59
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 54
- 239000000203 mixture Substances 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 27
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000001301 oxygen Substances 0.000 claims abstract description 11
- 229910000914 Mn alloy Inorganic materials 0.000 claims abstract description 8
- 239000002893 slag Substances 0.000 claims abstract description 7
- 230000004907 flux Effects 0.000 claims abstract description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 238000002203 pretreatment Methods 0.000 claims description 19
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 14
- 239000000571 coke Substances 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 229910021532 Calcite Inorganic materials 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003610 charcoal Substances 0.000 claims description 8
- 239000000292 calcium oxide Substances 0.000 claims description 7
- 235000012255 calcium oxide Nutrition 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003830 anthracite Substances 0.000 claims description 3
- 239000003575 carbonaceous material Substances 0.000 claims description 3
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 229910000514 dolomite Inorganic materials 0.000 claims description 3
- 239000010459 dolomite Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- -1 air Chemical compound 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 description 8
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000001273 butane Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 238000010744 Boudouard reaction Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000007704 wet chemistry method Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B47/00—Obtaining manganese
- C22B47/0018—Treating ocean floor nodules
- C22B47/0027—Preliminary treatment
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
- C22B4/08—Apparatus
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B47/00—Obtaining manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B47/00—Obtaining manganese
- C22B47/0018—Treating ocean floor nodules
- C22B47/0036—Treating ocean floor nodules by dry processes, e.g. smelting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
- C22B9/103—Methods of introduction of solid or liquid refining or fluxing agents
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
- C22B9/106—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents the refining being obtained by intimately mixing the molten metal with a molten salt or slag
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/22—Remelting metals with heating by wave energy or particle radiation
- C22B9/226—Remelting metals with heating by wave energy or particle radiation by electric discharge, e.g. plasma
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Oceanography (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20155868A FI127451B (en) | 2015-11-24 | 2015-11-24 | Method and apparatus for preheating and smelting manganese ore sinter |
FI20155868 | 2015-11-24 | ||
CN201680068082.0A CN108291273A (en) | 2015-11-24 | 2016-11-23 | For preheating and the method and apparatus of melting manganese ore sinter |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680068082.0A Division CN108291273A (en) | 2015-11-24 | 2016-11-23 | For preheating and the method and apparatus of melting manganese ore sinter |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111394578A true CN111394578A (en) | 2020-07-10 |
CN111394578B CN111394578B (en) | 2021-10-15 |
Family
ID=57590535
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680068082.0A Pending CN108291273A (en) | 2015-11-24 | 2016-11-23 | For preheating and the method and apparatus of melting manganese ore sinter |
CN202010360609.5A Active CN111394578B (en) | 2015-11-24 | 2016-11-23 | Method for preheating and smelting manganese ore sinter |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680068082.0A Pending CN108291273A (en) | 2015-11-24 | 2016-11-23 | For preheating and the method and apparatus of melting manganese ore sinter |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP3380638B1 (en) |
CN (2) | CN108291273A (en) |
AU (1) | AU2016360842B2 (en) |
BR (1) | BR112018010149B1 (en) |
EA (1) | EA033946B1 (en) |
FI (1) | FI127451B (en) |
UA (1) | UA122912C2 (en) |
WO (1) | WO2017089651A1 (en) |
ZA (1) | ZA201803599B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109114980A (en) * | 2018-09-30 | 2019-01-01 | 河南省德耀节能科技股份有限公司 | A kind of energy-efficient mineral hot furnace |
CA3134962A1 (en) * | 2019-03-27 | 2020-10-01 | The Governing Council Of The University Of Toronto | Methods for recovering a target metal from iron or steel slag using at least one of a carbothermic reduction process and a pyro-hydrometallurgical process |
NL2026572B1 (en) * | 2020-09-29 | 2022-05-30 | Petrus Greyling Frederik | Process and system for melting agglomerates |
NL2029142B1 (en) | 2021-09-07 | 2023-03-21 | Petrus Greyling Frederik | Process for smelting a metalliferous feedstock |
CN113981210A (en) * | 2021-10-29 | 2022-01-28 | 吉铁铁合金有限责任公司 | Production process for producing manganese series ferroalloy by roasting manganese ore |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4307872A (en) * | 1980-07-21 | 1981-12-29 | Lectromelt Corporation | Apparatus for reducing ore |
US4529439A (en) * | 1984-09-17 | 1985-07-16 | James C. Barber And Associates, Inc. | Energy conservation during the smelting of ores |
CN1912159A (en) * | 2006-08-17 | 2007-02-14 | 偏关县晋电化工有限责任公司 | Production method of silicomangan of sintering powder by rotary kiln and hot filling in ore-smelting electric furnace |
CN101113496A (en) * | 2007-07-13 | 2008-01-30 | 太原理工大学 | Method for preparing low-carbon metal manganese iron by using manganese-poor powdered ore |
CN102041400A (en) * | 2011-01-12 | 2011-05-04 | 董亚飞 | Process and equipment for producing high-content manganese silicon alloy from low-grade ferromanganese ore |
CN102230115A (en) * | 2011-06-21 | 2011-11-02 | 重庆大学 | Manganese-base vanadium-containing MnAlV alloy smelted by high-phosphorus manganese ores and smelting method thereof |
CN104988264A (en) * | 2015-05-28 | 2015-10-21 | 北京科技大学 | Treatment and utilization method for sintering flue gas |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU460313A1 (en) * | 1973-05-29 | 1975-02-15 | Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт | The method of preparation of the charge for smelting manganese metal |
CN101775508B (en) * | 2010-01-29 | 2012-05-30 | 广西新思迪投资贸易有限公司 | Production method of low-carbon ferromanganese |
-
2015
- 2015-11-24 FI FI20155868A patent/FI127451B/en active
-
2016
- 2016-11-23 EP EP16816320.2A patent/EP3380638B1/en active Active
- 2016-11-23 UA UAA201805936A patent/UA122912C2/en unknown
- 2016-11-23 EA EA201891065A patent/EA033946B1/en not_active IP Right Cessation
- 2016-11-23 CN CN201680068082.0A patent/CN108291273A/en active Pending
- 2016-11-23 CN CN202010360609.5A patent/CN111394578B/en active Active
- 2016-11-23 BR BR112018010149-4A patent/BR112018010149B1/en active IP Right Grant
- 2016-11-23 AU AU2016360842A patent/AU2016360842B2/en not_active Ceased
- 2016-11-23 WO PCT/FI2016/050821 patent/WO2017089651A1/en active Application Filing
-
2018
- 2018-05-30 ZA ZA2018/03599A patent/ZA201803599B/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4307872A (en) * | 1980-07-21 | 1981-12-29 | Lectromelt Corporation | Apparatus for reducing ore |
US4529439A (en) * | 1984-09-17 | 1985-07-16 | James C. Barber And Associates, Inc. | Energy conservation during the smelting of ores |
CN1912159A (en) * | 2006-08-17 | 2007-02-14 | 偏关县晋电化工有限责任公司 | Production method of silicomangan of sintering powder by rotary kiln and hot filling in ore-smelting electric furnace |
CN101113496A (en) * | 2007-07-13 | 2008-01-30 | 太原理工大学 | Method for preparing low-carbon metal manganese iron by using manganese-poor powdered ore |
CN102041400A (en) * | 2011-01-12 | 2011-05-04 | 董亚飞 | Process and equipment for producing high-content manganese silicon alloy from low-grade ferromanganese ore |
CN102230115A (en) * | 2011-06-21 | 2011-11-02 | 重庆大学 | Manganese-base vanadium-containing MnAlV alloy smelted by high-phosphorus manganese ores and smelting method thereof |
CN104988264A (en) * | 2015-05-28 | 2015-10-21 | 北京科技大学 | Treatment and utilization method for sintering flue gas |
Also Published As
Publication number | Publication date |
---|---|
BR112018010149A2 (en) | 2018-11-13 |
UA122912C2 (en) | 2021-01-20 |
AU2016360842A1 (en) | 2018-06-21 |
EP3380638A1 (en) | 2018-10-03 |
CN108291273A (en) | 2018-07-17 |
BR112018010149B1 (en) | 2021-10-19 |
EA033946B1 (en) | 2019-12-12 |
EA201891065A1 (en) | 2018-11-30 |
CN111394578B (en) | 2021-10-15 |
ZA201803599B (en) | 2021-01-27 |
AU2016360842B2 (en) | 2019-08-15 |
WO2017089651A1 (en) | 2017-06-01 |
FI20155868A (en) | 2017-05-25 |
FI127451B (en) | 2018-06-15 |
EP3380638B1 (en) | 2020-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111394578B (en) | Method for preheating and smelting manganese ore sinter | |
KR101232983B1 (en) | METHOD OF CALCINATING V, Mo AND Ni CONTENTS AND ROTARY KILN FOR CALCINATING THE SAME | |
JP5066690B2 (en) | Blast furnace and method for producing pig iron using the same | |
EP0184405B1 (en) | Processes and apparatus for the smelting reduction of ores | |
US3953196A (en) | Process for the direct reduction of metal oxides | |
US3033673A (en) | Process of reducing iron oxides | |
US4244732A (en) | Manufacture of steel from ores containing high phosphorous and other undesirable constituents | |
KR102114372B1 (en) | Starting a smelting process | |
CA2219415A1 (en) | Process for recovering metals from iron oxide bearing masses | |
CN101558170A (en) | Arc furnace steelmaking process using palm shell charcoal | |
CN106367588A (en) | Preparing method of sintered ore | |
JPS6050737B2 (en) | Methods and equipment for increasing the value of metallurgical slag | |
WO2006107256A1 (en) | A method for separating metallic iron from oxide | |
JP5892103B2 (en) | Method for smelting reduction of chromium ore | |
RU2678557C2 (en) | Metallurgical furnace | |
US3832158A (en) | Process for producing metal from metal oxide pellets in a cupola type vessel | |
US3471283A (en) | Reduction of iron ore | |
EP4365322A1 (en) | Manganese alloy production method and production device therefor | |
JP2861500B2 (en) | Melt desulfurization of zinc concentrate | |
JP2666396B2 (en) | Hot metal production method | |
US527312A (en) | Method of smelting | |
EA045165B1 (en) | METHOD AND INSTALLATION FOR MELTING AGGLOMERATES | |
RU2643292C2 (en) | Method for producing steel in arc steel furnace | |
US1815379A (en) | Process for volatilization of phosphorus | |
WO2022069972A1 (en) | Process and system for melting agglomerates |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tampere Patentee after: Metso ottotai Finland Address before: Tampere Patentee before: Metso Minerals Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230222 Address after: Tampere Patentee after: Metso Minerals Ltd. Address before: Espoo, Finland Patentee before: OUTOTEC (FINLAND) OY |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240612 Address after: Espoo, Finland Patentee after: Meizhuo Metal Co.,Ltd. Country or region after: Finland Address before: Tampere Patentee before: Metso ottotai Finland Country or region before: Finland |