GB931185A - Improvements in and relating to ceramic, refractory and like products - Google Patents

Improvements in and relating to ceramic, refractory and like products

Info

Publication number
GB931185A
GB931185A GB4381959A GB4381959A GB931185A GB 931185 A GB931185 A GB 931185A GB 4381959 A GB4381959 A GB 4381959A GB 4381959 A GB4381959 A GB 4381959A GB 931185 A GB931185 A GB 931185A
Authority
GB
United Kingdom
Prior art keywords
temperature
treated material
clays
dried
supply
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
GB4381959A
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.)
Houilleres du Bassin du Nord et du Pas de Calais
Original Assignee
Houilleres du Bassin du Nord et du Pas de Calais
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 Houilleres du Bassin du Nord et du Pas de Calais filed Critical Houilleres du Bassin du Nord et du Pas de Calais
Publication of GB931185A publication Critical patent/GB931185A/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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C04B38/063—Preparing or treating the raw materials individually or as batches
    • C04B38/0635—Compounding ingredients
    • C04B38/064—Natural expanding materials, e.g. clay
    • 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
    • C04B33/00—Clay-wares
    • C04B33/32—Burning methods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)

Abstract

Carbonaceous shales, fuel-enriched clays and like materials are dried, heated until they ignite, e.g. at 450 DEG C., completely oxidised at an approximately constant temperature between 750 DEG and 950 DEG C. and partially sintered at not less than 950 DEG C. with supply of external heat. The treated material may be granular but, as described, a moulded or extruded paste of carbonaceous shales, with or without ordinary or refractory pulp or clays, is cut if appropriate, dried, and heated as rapidly as possible in a kiln the combustion products of the ignition stage of which may supply the necessary heat. After ignition, the temperature of the treated material continues to rise rapidly to 850 DEG C. where further rise is prevented by cold air admission, hot gaseous products draw-off, or both, the treated material maintaining its porosity and burning increasingly slowly until oxidation is complete when the temperature may have fallen slightly to 800 DEG C., and following which the temperature is raised to 1040 DEG C., 1080 DEG C. or more to effect the partial sintering.
GB4381959A 1958-12-24 1959-12-24 Improvements in and relating to ceramic, refractory and like products Expired GB931185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR782589A FR1221640A (en) 1958-12-24 1958-12-24 Process for the treatment of materials heavily loaded with fuel products, in particular coal shale, more especially for the manufacture of ceramic and refractory products

Publications (1)

Publication Number Publication Date
GB931185A true GB931185A (en) 1963-07-10

Family

ID=8709617

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4381959A Expired GB931185A (en) 1958-12-24 1959-12-24 Improvements in and relating to ceramic, refractory and like products

Country Status (3)

Country Link
DE (1) DE1272804B (en)
FR (1) FR1221640A (en)
GB (1) GB931185A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3018411A1 (en) * 1980-05-14 1981-11-19 Babcock-BSH AG vormals Büttner-Schilde-Haas AG, 4150 Krefeld METHOD FOR BURNING AND CERAMIZING WASHING MOUNTAINS
ES2034882B1 (en) * 1991-05-28 1994-04-01 Promotora De Minas De Carbon S PROCEDURE FOR THE MANUFACTURE OF CERAMIC PRODUCTS FROM CORDIERITA.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE365663C (en) * 1919-10-24 1922-12-19 Adrian Gaertner Dr Process for the utilization of low-carbon rock
DE403630C (en) * 1923-03-27 1924-10-02 Oskar Baumann Method and furnace for burning bituminous slates and other fuel-containing rocks
DE736311C (en) * 1939-01-22 1943-07-28 Bosch Gmbh Robert Process for firing ceramic goods
DE849669C (en) * 1944-05-07 1952-09-18 Didier Werke Ag Process for the production of dense, space-stable fireclay and refractory bricks
DE927136C (en) * 1953-04-25 1955-04-28 Metallgesellschaft Ag Process for the production of lightweight building materials by sintering

Also Published As

Publication number Publication date
FR1221640A (en) 1960-06-02
DE1272804B (en) 1968-07-11

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