GB1093792A - Improvements in or relating to methods of producing light-weight building materials of slate, slate-clay, or the like - Google Patents

Improvements in or relating to methods of producing light-weight building materials of slate, slate-clay, or the like

Info

Publication number
GB1093792A
GB1093792A GB1199865A GB1199865A GB1093792A GB 1093792 A GB1093792 A GB 1093792A GB 1199865 A GB1199865 A GB 1199865A GB 1199865 A GB1199865 A GB 1199865A GB 1093792 A GB1093792 A GB 1093792A
Authority
GB
United Kingdom
Prior art keywords
slate
clay
sand
granules
refractory material
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
GB1199865A
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.)
Fellner and Ziegler GmbH
Original Assignee
Fellner and Ziegler GmbH
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 Fellner and Ziegler GmbH filed Critical Fellner and Ziegler GmbH
Publication of GB1093792A publication Critical patent/GB1093792A/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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/04—Heat treatment
    • C04B20/06—Expanding clay, perlite, vermiculite or like granular materials
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/04—Heat treatment
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/04—Heat treatment
    • C04B20/06—Expanding clay, perlite, vermiculite or like granular materials
    • C04B20/061—Expanding clay, perlite, vermiculite or like granular materials in rotary kilns
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/04—Heat treatment
    • C04B20/06—Expanding clay, perlite, vermiculite or like granular materials
    • C04B20/068—Selection of ingredients added before or during the thermal treatment, e.g. expansion promoting agents or particle-coating materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)

Abstract

Expanded slate or slate clay is produced by mixing slate or slate clay of particle size of 1-20 mm. with sand or other refractory material of a particle size of up to 2 mm., passing the mixture through a heated rotary kiln and separating the sand from the resultant product. If necessary, the slate or slate clay may be ground initially to a finer state of subdivision than that specified above, the fine material formed in granules, and these granules utilized in the above process. The sand or other refractory material may be added by coating the still moist granules with it prior to calcining. Furthermore, the fine and very fine fractions of slate or slate clay produced during comminution may be granulated, and the granules mixed with the large particles of slate or slate clay, prior to mixing with sand or other refractory material and calcining.
GB1199865A 1964-03-21 1965-03-22 Improvements in or relating to methods of producing light-weight building materials of slate, slate-clay, or the like Expired GB1093792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964F0042377 DE1471151A1 (en) 1964-03-21 1964-03-21 Process for the production of a lightweight building material from slate, slate clay or the like.

Publications (1)

Publication Number Publication Date
GB1093792A true GB1093792A (en) 1967-12-06

Family

ID=7099061

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1199865A Expired GB1093792A (en) 1964-03-21 1965-03-22 Improvements in or relating to methods of producing light-weight building materials of slate, slate-clay, or the like

Country Status (7)

Country Link
AT (1) AT250846B (en)
CH (1) CH442123A (en)
DE (1) DE1471151A1 (en)
ES (1) ES310708A1 (en)
FR (1) FR1434462A (en)
GB (1) GB1093792A (en)
NL (1) NL6503364A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2236747A (en) * 1989-10-11 1991-04-17 Greaves & Sons Ltd Heat treatment of expansible materials to form lightweight aggregate

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2951992A (en) * 1991-11-29 1993-06-28 Robin Anthony Kyffin Heat treatment of expansible materials to form lightweight aggregate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2236747A (en) * 1989-10-11 1991-04-17 Greaves & Sons Ltd Heat treatment of expansible materials to form lightweight aggregate

Also Published As

Publication number Publication date
FR1434462A (en) 1966-04-08
CH442123A (en) 1967-08-15
AT250846B (en) 1966-11-25
NL6503364A (en) 1965-09-22
ES310708A1 (en) 1965-07-01
DE1471151A1 (en) 1968-12-05

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