ES459881A1 - Process for refining molten metal - Google Patents

Process for refining molten metal

Info

Publication number
ES459881A1
ES459881A1 ES459881A ES459881A ES459881A1 ES 459881 A1 ES459881 A1 ES 459881A1 ES 459881 A ES459881 A ES 459881A ES 459881 A ES459881 A ES 459881A ES 459881 A1 ES459881 A1 ES 459881A1
Authority
ES
Spain
Prior art keywords
gas
molten metal
rotor
sleeve
metal
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.)
Expired
Application number
ES459881A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US05/697,466 external-priority patent/US4047938A/en
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of ES459881A1 publication Critical patent/ES459881A1/en
Expired legal-status Critical Current

Links

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
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
    • C22B9/055—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ while the metal is circulating, e.g. combined with filtration
    • 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
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

The refining gas, for example nitrogen, is injected into the molten metal by means of an injection device comprising a rotor (1) with fins (2), driven by a vertical shaft (3) surrounded by a stationary sleeve (4). The gas is introduced through an annular passage arranged between the shaft and the sleeve and comes out by virtue of a clearance provided between the rotor and a grooved stator (11). In the molten metal, the rotor creates currents which make the bubbles of refining gas travel outwards and downwards, and this improves the gas-metal content. Since the gas is preheated in the sleeve (4), the bubbles do not expand within the metal and remain small.
ES459881A 1976-06-18 1977-06-17 Process for refining molten metal Expired ES459881A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/697,466 US4047938A (en) 1974-12-23 1976-06-18 Process for refining molten metal

Publications (1)

Publication Number Publication Date
ES459881A1 true ES459881A1 (en) 1978-04-16

Family

ID=24801232

Family Applications (1)

Application Number Title Priority Date Filing Date
ES459881A Expired ES459881A1 (en) 1976-06-18 1977-06-17 Process for refining molten metal

Country Status (17)

Country Link
JP (1) JPS52156105A (en)
AU (1) AU506332B2 (en)
BR (1) BR7703792A (en)
CA (1) CA1095732A (en)
CH (1) CH621365A5 (en)
CS (1) CS212305B2 (en)
DE (1) DE2727142A1 (en)
ES (1) ES459881A1 (en)
FR (1) FR2355079A1 (en)
GB (1) GB1587662A (en)
IN (1) IN146956B (en)
IT (1) IT1078941B (en)
MX (1) MX146591A (en)
NO (1) NO772138L (en)
RO (1) RO75207A (en)
SE (1) SE7706137L (en)
YU (1) YU148677A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE31579T1 (en) * 1983-08-04 1988-01-15 Alusuisse METHOD AND DEVICE FOR FEED METAL INTO A METAL METAL.
BRMU8402794U8 (en) * 2004-08-27 2021-10-26 Magnesita Insider Refratarios Ltda Configuration applied to a device for injecting gas and/or gas and powders into liquid metals through a rotating refractory lance
RU2619534C2 (en) * 2015-11-19 2017-05-16 Виталий Евгеньевич Дьяков Vacuum apparatus for separation tin alloy
CN117604311B (en) * 2024-01-24 2024-04-19 北京航空航天大学 Aluminum alloy rotary blowing refining method based on three-channel rotor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743263A (en) * 1971-12-27 1973-07-03 Union Carbide Corp Apparatus for refining molten aluminum

Also Published As

Publication number Publication date
NO772138L (en) 1977-12-20
CA1095732A (en) 1981-02-17
YU148677A (en) 1984-08-31
AU506332B2 (en) 1979-12-20
IT1078941B (en) 1985-05-08
GB1587662A (en) 1981-04-08
IN146956B (en) 1979-10-20
CH621365A5 (en) 1981-01-30
CS212305B2 (en) 1982-03-26
MX146591A (en) 1982-07-12
JPS52156105A (en) 1977-12-26
BR7703792A (en) 1978-03-28
FR2355079A1 (en) 1978-01-13
AU2618577A (en) 1978-12-21
FR2355079B1 (en) 1983-12-30
DE2727142A1 (en) 1977-12-22
RO75207A (en) 1981-04-30
SE7706137L (en) 1977-12-19

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971201