GB1284178A - Process and apparatus for production of tungsten and similar metals in powder form - Google Patents

Process and apparatus for production of tungsten and similar metals in powder form

Info

Publication number
GB1284178A
GB1284178A GB23977/70A GB2397770A GB1284178A GB 1284178 A GB1284178 A GB 1284178A GB 23977/70 A GB23977/70 A GB 23977/70A GB 2397770 A GB2397770 A GB 2397770A GB 1284178 A GB1284178 A GB 1284178A
Authority
GB
United Kingdom
Prior art keywords
temperature
gases
wcl
reduction
heating elements
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
GB23977/70A
Inventor
Kurt Alfred Jonsson
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.)
Rederi Nordstjernan AB
Original Assignee
Rederi Nordstjernan AB
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 SE04529/70A external-priority patent/SE333815B/xx
Application filed by Rederi Nordstjernan AB filed Critical Rederi Nordstjernan AB
Publication of GB1284178A publication Critical patent/GB1284178A/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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/16—Dry methods smelting of sulfides or formation of mattes with volatilisation or condensation of the metal being produced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/28—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from gaseous metal compounds
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

1284178 Producing refractory metal or alloy powder by reduction REDERIAKTIEBOLAGET NORDSTJERNAN 18 May 1970 [19 May 1969 2 April 1970] 23977/70 Heading C7D Powdered W, Mo, Ta, Nb, Re, Cr or alloy thereof e.g. W-Re is produced by reduction of the gaseous halide e.g. WCl 6 with a reducing gas comprising mainly H 2 , the halide and reducing gases e.g. from supply pipes 4, 5 with or without other gases e.g. Cl 2 , HCl or N 2 from pipe 6 being mixed in at least one duct 3 and pre-heated to, e.g. 20-150‹ C. above the minimum reaction temperature (300-330‹C. for WCl 6 ) using heating elements 7, before entering the reaction chamber 1. The particle size of the powder formed is adjusted by controlling one or more of the ratio of the reactants in the gases, its velocity or temperature; and preferably also the temperature of the reaction chamber, e.g. in zones by groups of heating elements 2, the temperature increasing in the direction of gas flow. A vibrator 10 and heat exchanger 8 (for cooling) may be mounted adjacent the mixing duct 3.
GB23977/70A 1969-05-19 1970-05-18 Process and apparatus for production of tungsten and similar metals in powder form Expired GB1284178A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE700369 1969-05-19
SE04529/70A SE333815B (en) 1970-04-02 1970-04-02

Publications (1)

Publication Number Publication Date
GB1284178A true GB1284178A (en) 1972-08-02

Family

ID=26654534

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23977/70A Expired GB1284178A (en) 1969-05-19 1970-05-18 Process and apparatus for production of tungsten and similar metals in powder form

Country Status (8)

Country Link
US (1) US3671220A (en)
JP (1) JPS5031554B1 (en)
BE (1) BE750580A (en)
CS (1) CS150507B2 (en)
DE (1) DE2023958B2 (en)
FR (1) FR2048525A5 (en)
GB (1) GB1284178A (en)
NL (1) NL7007230A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE347765B (en) * 1970-05-27 1972-08-14 Nordstjernan Rederi Ab
BE791550A (en) * 1971-11-20 1973-03-16 Max Planck Gesellschaft METHOD AND DEVICE FOR TREATING A MATERIAL BY MEANS OF PLASMA FROM AN ELECTRIC ARC
US3773493A (en) * 1971-12-22 1973-11-20 Westinghouse Electric Corp Method of producing doped tungsten powders by chemical deposition
JPS597765B2 (en) * 1980-09-13 1984-02-21 昭宣 吉澤 Manufacturing method of fine powder metal
DE3208879A1 (en) * 1982-03-11 1983-09-22 Toho Aen K.K. Method of producing finely powdered metal
JPS58171502A (en) * 1982-04-02 1983-10-08 Toyota Motor Corp Pulverized composite powder of ceramic and metal
JPS59170211A (en) * 1983-03-14 1984-09-26 Toho Aen Kk Production of ultrafine powder
JPS59206042A (en) * 1983-05-07 1984-11-21 Sumitomo Electric Ind Ltd Process and apparatus for producing fine powder
DE4214720C2 (en) * 1992-05-04 1994-10-13 Starck H C Gmbh Co Kg Device for the production of fine-particle metal and ceramic powder
DE4214719C2 (en) * 1992-05-04 1995-02-02 Starck H C Gmbh Co Kg Process for the production of fine-particle metal and ceramic powders
WO1999042237A1 (en) * 1998-02-20 1999-08-26 Toho Titanium Co., Ltd. Process for the production of powdered nickel
WO2005035807A1 (en) * 2003-09-19 2005-04-21 Sri International Methods and apparatuses for producing metallic compositions via reduction of metal halides
CN113020617A (en) * 2021-02-26 2021-06-25 宁夏德运创润钛业有限公司 Method for preparing ultrafine high-purity refractory metal powder

Also Published As

Publication number Publication date
US3671220A (en) 1972-06-20
DE2023958A1 (en) 1970-11-26
JPS5031554B1 (en) 1975-10-13
FR2048525A5 (en) 1971-03-19
BE750580A (en) 1970-11-03
NL7007230A (en) 1970-11-23
DE2023958B2 (en) 1973-01-11
CS150507B2 (en) 1973-09-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees