GB1122095A - Fired refractory articles - Google Patents

Fired refractory articles

Info

Publication number
GB1122095A
GB1122095A GB1312266A GB1312266A GB1122095A GB 1122095 A GB1122095 A GB 1122095A GB 1312266 A GB1312266 A GB 1312266A GB 1312266 A GB1312266 A GB 1312266A GB 1122095 A GB1122095 A GB 1122095A
Authority
GB
United Kingdom
Prior art keywords
less
dead
content
fired
magnesia
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
GB1312266A
Inventor
Dennis Woodhouse
Arthur John Harbach
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.)
Steetley Refractory Brick Co Ltd
Original Assignee
Steetley Refractory Brick Co Ltd
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 Steetley Refractory Brick Co Ltd filed Critical Steetley Refractory Brick Co Ltd
Priority to GB1312266A priority Critical patent/GB1122095A/en
Publication of GB1122095A publication Critical patent/GB1122095A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/42—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on chromites
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/12—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on chromium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/44—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

A refractory composition comprises a fine fraction of dead-burnt magnesia (i.e. such that at 90% passes through a 72-mesh B.S. sieve) having a SiO2 content of at least 2% by wt. and a CaO content of less than 2% by wt. a coarse fraction (90% retained on 72-mesh sieve) of dead-burnt magnesia having a SiO2 content of less than 1% by wt., and a chrome ore having a SiO2 content of less than 2.5% by wt. The composition may be shaped and fired at a temperature less than 1700 DEG C. to produce a fired refractory brick having a silica content of less than 3% by wt. The fine fraction of dead-burnt magnesia may be present in amount 28-35% by wt. of the composition, and the proportion of total magnesia to chrome ore in the fired refractory may be from 90:10 to 60:40 by wt.
GB1312266A 1966-03-24 1966-03-24 Fired refractory articles Expired GB1122095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1312266A GB1122095A (en) 1966-03-24 1966-03-24 Fired refractory articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1312266A GB1122095A (en) 1966-03-24 1966-03-24 Fired refractory articles

Publications (1)

Publication Number Publication Date
GB1122095A true GB1122095A (en) 1968-07-31

Family

ID=10017218

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1312266A Expired GB1122095A (en) 1966-03-24 1966-03-24 Fired refractory articles

Country Status (1)

Country Link
GB (1) GB1122095A (en)

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