GB426573A - Process and device for refining metals and alloys by vacuum at high temperatures - Google Patents

Process and device for refining metals and alloys by vacuum at high temperatures

Info

Publication number
GB426573A
GB426573A GB32924/33A GB3292433A GB426573A GB 426573 A GB426573 A GB 426573A GB 32924/33 A GB32924/33 A GB 32924/33A GB 3292433 A GB3292433 A GB 3292433A GB 426573 A GB426573 A GB 426573A
Authority
GB
United Kingdom
Prior art keywords
bell
metal
alloys
vacuum
refining
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
GB32924/33A
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.)
American Smelting and Refining Co
Original Assignee
American Smelting and Refining Co
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
Application filed by American Smelting and Refining Co filed Critical American Smelting and Refining Co
Publication of GB426573A publication Critical patent/GB426573A/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
    • C22B9/04—Refining by applying a vacuum
    • 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
    • C22B13/00—Obtaining lead
    • C22B13/06—Refining

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)

Abstract

426,573. Refining metals and alloys. AMERICAN SMELTING & REFINING CO., 120, Broadway, New York, U.S.A. Nov. 24, 1933, No. 32924. Convention date, Dec. 1, 1932. [Class 82 (i)] Metals and alloys are refined by liquefying the mass and volatilizing the lower boiling constituent in a vacuum in that range of temperature which is below the turning point above which temperature increases nearly linearly with pressure. The metal or alloy is placed in a cast iron refining kettle 10 and, after melting, a bell 11, provided with inner and outer walls 12, 13, between which are cooling tubes 14, is placed in the kettle. A vacuum is produced in the bell by a suction pump attached to a U-tube 18. A pump 16 forces metal from the body of the bath against a plate 17 to increase volatilization. The metal which evaporates condenses on the walls of the bell and collects in a trough 21. Molten metal or high boiling point oils may fill the space between the walls 12, 13. The interior of the bell may be coated protectively. As examples of separations accomplished by the process arsenic is removed from tin and lead, cadmium, sodium and zinc are removed from lead and sodium and magnesium from tin.
GB32924/33A 1932-12-01 1933-11-24 Process and device for refining metals and alloys by vacuum at high temperatures Expired GB426573A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE426573X 1932-12-01

Publications (1)

Publication Number Publication Date
GB426573A true GB426573A (en) 1935-04-05

Family

ID=6477204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32924/33A Expired GB426573A (en) 1932-12-01 1933-11-24 Process and device for refining metals and alloys by vacuum at high temperatures

Country Status (1)

Country Link
GB (1) GB426573A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852246A (en) * 1956-02-27 1958-09-16 Janco Nathan Vacuum degassing apparatus
DE1194432B (en) * 1956-06-21 1965-06-10 Hoerder Huettenunion Ag Process for the extraction of metals from Thomas pre-freshening slag, in particular vanadium and manganese
DE1216904B (en) * 1957-04-03 1966-05-18 Heraeus Gmbh W C Process for vacuum degassing of molten metals, in particular steel
CN105296764A (en) * 2015-12-02 2016-02-03 郴州市金贵银业股份有限公司 Method for synchronously pre-removing arsenic and antimony from lead anode mud

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852246A (en) * 1956-02-27 1958-09-16 Janco Nathan Vacuum degassing apparatus
DE1194432B (en) * 1956-06-21 1965-06-10 Hoerder Huettenunion Ag Process for the extraction of metals from Thomas pre-freshening slag, in particular vanadium and manganese
DE1216904B (en) * 1957-04-03 1966-05-18 Heraeus Gmbh W C Process for vacuum degassing of molten metals, in particular steel
CN105296764A (en) * 2015-12-02 2016-02-03 郴州市金贵银业股份有限公司 Method for synchronously pre-removing arsenic and antimony from lead anode mud

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