GB1202739A - Production of useful carbon aggregates - Google Patents

Production of useful carbon aggregates

Info

Publication number
GB1202739A
GB1202739A GB3569369A GB3569369A GB1202739A GB 1202739 A GB1202739 A GB 1202739A GB 3569369 A GB3569369 A GB 3569369A GB 3569369 A GB3569369 A GB 3569369A GB 1202739 A GB1202739 A GB 1202739A
Authority
GB
United Kingdom
Prior art keywords
coke
temp
heating
binder
filler
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
GB3569369A
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.)
SGL Carbon Corp
Original Assignee
SGL Carbon Corp
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 SGL Carbon Corp filed Critical SGL Carbon Corp
Publication of GB1202739A publication Critical patent/GB1202739A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/06—Electrodes
    • H05B7/08—Electrodes non-consumable
    • H05B7/085—Electrodes non-consumable mainly consisting of carbon
    • 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
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • C04B35/528—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components
    • C04B35/532—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder

Abstract

1,202,739. Carbon electrodes. GREAT LAKES CARBON CORP. 5 Oct., 1967 [19 Oct., 1966], No. 35693/69. Divided out of 1,202,738. Heading CIA. [Also in Division C5] A carbon electrode is produced from a " non- puffing" " petroleum coke, defined as a coke which when calcined, mixed with a binder, and then baked to 1000‹ C. exhibits no measurable abnormal thermal expansion on graphitizing, by heating such coke in a non-oxidizing atmosphere to a temp. of at least 2000‹ C., cooling the heated coke to a temp. less than 200‹ C., e.g. ambient temp., forming a filler comprising at least 20% by weight of the cooled product having a particle size greater than 35 mesh Tyler, the remainder being, for example, petroleum coke flow, and mixing this filler with a carbonaceous binder, e.g. pitch, shaping into an article, and then heating this article at a temp. of at least 500‹ C. to carbonize the binder. Preferably, the filler contains 20-70% by weight of the cooled treated coke, which coke may have a particle size greater than 6 mesh and smaller than ¥ of an inch but which is preferably less than ¢ inch. The product may be obtained as a graphite body by heating to a temp. of at least 2000‹ C. in the final step. The product may be a cylindrical graphite body having a minimum diameter of 14 inches and a minimum length of 5 feet.
GB3569369A 1966-10-19 1967-10-05 Production of useful carbon aggregates Expired GB1202739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58765566A 1966-10-19 1966-10-19

Publications (1)

Publication Number Publication Date
GB1202739A true GB1202739A (en) 1970-08-19

Family

ID=24350663

Family Applications (2)

Application Number Title Priority Date Filing Date
GB4559567A Expired GB1202738A (en) 1966-10-19 1967-10-05 Production of useful carbon aggregates
GB3569369A Expired GB1202739A (en) 1966-10-19 1967-10-05 Production of useful carbon aggregates

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB4559567A Expired GB1202738A (en) 1966-10-19 1967-10-05 Production of useful carbon aggregates

Country Status (2)

Country Link
JP (1) JPS5127638B1 (en)
GB (2) GB1202738A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5110359A (en) * 1988-03-07 1992-05-05 Ucar Carbon Technology Corporation Treatment of petroleum cokes to inhibit coke puffing
US5118287A (en) * 1988-03-07 1992-06-02 Ucar Carbon Technology Corporation Treatment of petroleum cokes to inhibit coke puffing
US5478442A (en) * 1990-12-17 1995-12-26 Ucar Carbon Technology Corporation Treatment of petroleum cokes with a puffing inhibitor in a rotary calciner
CN114213127A (en) * 2021-12-31 2022-03-22 吉林科工碳业有限公司 Preparation method of graphite crucible

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1101360C (en) * 1998-01-26 2003-02-12 新日铁化学株式会社 Process for the preparation of needle coke for graphite electrodes
CN110054495A (en) * 2019-02-13 2019-07-26 合肥炭素有限责任公司 A kind of novel graphite resistor rod manufacturing process and its manufacturing equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5110359A (en) * 1988-03-07 1992-05-05 Ucar Carbon Technology Corporation Treatment of petroleum cokes to inhibit coke puffing
US5118287A (en) * 1988-03-07 1992-06-02 Ucar Carbon Technology Corporation Treatment of petroleum cokes to inhibit coke puffing
US5478442A (en) * 1990-12-17 1995-12-26 Ucar Carbon Technology Corporation Treatment of petroleum cokes with a puffing inhibitor in a rotary calciner
CN114213127A (en) * 2021-12-31 2022-03-22 吉林科工碳业有限公司 Preparation method of graphite crucible

Also Published As

Publication number Publication date
GB1202738A (en) 1970-08-19
JPS5127638B1 (en) 1976-08-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee