GB555757A - Improvements in bonded refractory material and method of making same - Google Patents

Improvements in bonded refractory material and method of making same

Info

Publication number
GB555757A
GB555757A GB2741239A GB2741239A GB555757A GB 555757 A GB555757 A GB 555757A GB 2741239 A GB2741239 A GB 2741239A GB 2741239 A GB2741239 A GB 2741239A GB 555757 A GB555757 A GB 555757A
Authority
GB
United Kingdom
Prior art keywords
per cent
refractory
weight
less
bonded
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
GB2741239A
Original Assignee
Victor Moritz Goldschmidt
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 Victor Moritz Goldschmidt filed Critical Victor Moritz Goldschmidt
Priority to GB2741239A priority Critical patent/GB555757A/en
Publication of GB555757A publication Critical patent/GB555757A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16Shaped 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 silicates other than clay

Abstract

555,757. Refractory materials. GOLDSCHMIDT, V. M. Oct. 6, 1939, No. 27412. [Class 22] A bonded highly refractory material contains 40-75 per cent. by weight, preferably 55-70 per cent. of granular material rich in magnesium orthosilicate, such as natural olivine or dunite rock, and at least about 25 per cent. by weight of a more finely comminuted refractory substance which is free from or is poor in alumina, such as refractory spinels, the porosity of the bonded material being less than 24 (preferably less than 20) per cent. by volume. At least two of the following steps are included in the manufacture : (1) selection of raw materials which do not contain more than about 5 per cent. by weight in aggregate of such hydrates and easily hydratable compounds as clay, magnesium hydroxide or caustic magnesium oxide, (2) limitation of the amount of liquid used for plasticizing the batch to less than 6 per cent. by weight of the batch, and (3) firing the bonded refractory at a high temperature so that a shrinkage of not less than 2 per cent. by volume takes place. In cold bonding the material to shaped products such as bricks, cellulose waste liquor, solutions of molasses, boric acid, sodium silicate, or magnesium chloride may be used.
GB2741239A 1939-10-06 1939-10-06 Improvements in bonded refractory material and method of making same Expired GB555757A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2741239A GB555757A (en) 1939-10-06 1939-10-06 Improvements in bonded refractory material and method of making same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2741239A GB555757A (en) 1939-10-06 1939-10-06 Improvements in bonded refractory material and method of making same

Publications (1)

Publication Number Publication Date
GB555757A true GB555757A (en) 1943-09-07

Family

ID=10259146

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2741239A Expired GB555757A (en) 1939-10-06 1939-10-06 Improvements in bonded refractory material and method of making same

Country Status (1)

Country Link
GB (1) GB555757A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2438864A (en) * 2006-06-07 2007-12-12 Ffestiniog Expanded Slate Comp Production of lightweight aggregates by rotary kiln tilted upward from inlet to outlet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2438864A (en) * 2006-06-07 2007-12-12 Ffestiniog Expanded Slate Comp Production of lightweight aggregates by rotary kiln tilted upward from inlet to outlet
GB2445463A (en) * 2006-06-07 2008-07-09 Aggregate Ind Uk Ltd Production of lightweight aggregates using olivine sand

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