NO117745B - - Google Patents

Download PDF

Info

Publication number
NO117745B
NO117745B NO163317A NO16331766A NO117745B NO 117745 B NO117745 B NO 117745B NO 163317 A NO163317 A NO 163317A NO 16331766 A NO16331766 A NO 16331766A NO 117745 B NO117745 B NO 117745B
Authority
NO
Norway
Prior art keywords
furnace
ore
blown
fine
rotary tube
Prior art date
Application number
NO163317A
Other languages
English (en)
Norwegian (no)
Inventor
G Heitmann
Original Assignee
Metallgesellschaft Ag
Canada Steel 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 Metallgesellschaft Ag, Canada Steel Co filed Critical Metallgesellschaft Ag
Publication of NO117745B publication Critical patent/NO117745B/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/28—Moving reactors, e.g. rotary drums
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/305—Preparation from phosphorus-containing compounds by alkaline treatment
    • C01B25/306—Preparation from phosphorus-containing compounds by alkaline treatment from phosphates
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00157—Controlling the temperature by means of a burner
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00159—Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00164—Controlling or regulating processes controlling the flow
    • B01J2219/00166—Controlling or regulating processes controlling the flow controlling the residence time inside the reactor vessel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
NO163317A 1965-06-23 1966-06-06 NO117745B (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM0065693 1965-06-23

Publications (1)

Publication Number Publication Date
NO117745B true NO117745B (enrdf_load_html_response) 1969-09-22

Family

ID=7311544

Family Applications (1)

Application Number Title Priority Date Filing Date
NO163317A NO117745B (enrdf_load_html_response) 1965-06-23 1966-06-06

Country Status (6)

Country Link
US (1) US3667933A (enrdf_load_html_response)
BE (1) BE682904A (enrdf_load_html_response)
DE (1) DE1542305A1 (enrdf_load_html_response)
GB (1) GB1098157A (enrdf_load_html_response)
NL (1) NL6608641A (enrdf_load_html_response)
NO (1) NO117745B (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA921265A (en) * 1970-07-08 1973-02-20 The International Nickel Company Of Canada Reduction of nickel oxide in a rotary hearth furnace
CA965961A (en) * 1972-02-09 1975-04-15 Ramamritham Sridhar Concentration of nickel values in oxidized ores
DE3743007A1 (de) * 1987-12-18 1989-06-29 Metallgesellschaft Ag Verfahren zur direktreduktion von eisenoxidhaltigen materialien im drehrohrofen

Also Published As

Publication number Publication date
NL6608641A (enrdf_load_html_response) 1966-12-27
GB1098157A (en) 1968-01-10
DE1542305A1 (de) 1970-04-30
BE682904A (enrdf_load_html_response) 1966-12-01
US3667933A (en) 1972-06-06

Similar Documents

Publication Publication Date Title
US2638684A (en) Process for heat-treating combustible solids
US4438709A (en) System and method for firing coal having a significant mineral content
US2789034A (en) Process and apparatus for converting finely divided metal sulfide ore into sulfur dioxide and agglomerates of low sulfur cinder
US2194454A (en) Metallurgical process and apparatus
US3206299A (en) Dense-bed, rotary, kiln process and apparatus for pretreatment of a metallurgical charge
US3244507A (en) Method of indurating ore particles
US2805141A (en) Pelletizing process
US3235375A (en) Process for the reduction of iron oxide
US2373244A (en) Blast furnace process
UA53721C2 (uk) Спосіб виробництва рідкого металу та установка для здійснення способу
US4118309A (en) Separation and recovery of heat carriers in an oil shale retorting process
JPS58130142A (ja) 空気圧制御装置
US3420656A (en) Process for forming hard oxide pellets and product thereof
US2397993A (en) Reduction of metallic oxide
NO117745B (enrdf_load_html_response)
US2858123A (en) Apparatus for cooling and calcining
US3046106A (en) Iron ore reduction with coke
US3971654A (en) Method of injecting pelletized coal through blast furnace tuyeres
NO159996B (no) Fremgangsmaate for omdannelse av kalsiumsulfat til kalium-eller natriumsulfat.
JPS6042487A (ja) 固体粒子を乾留する方法および装置
US3663201A (en) Process for production of sponge iron
US2039833A (en) Method and apparatus for roasting and heat treating ores and minerals
US3564699A (en) Method and system for hot de-oiling and hot briquetting
US2269465A (en) Method of treating iron ore
US3196000A (en) Process for the direct reduction of iron ores in rotating cylindrical furnaces