GB908449A - Improvements relating to heat treatments of metal vessels or shell structures - Google Patents

Improvements relating to heat treatments of metal vessels or shell structures

Info

Publication number
GB908449A
GB908449A GB903860A GB903860A GB908449A GB 908449 A GB908449 A GB 908449A GB 903860 A GB903860 A GB 903860A GB 903860 A GB903860 A GB 903860A GB 908449 A GB908449 A GB 908449A
Authority
GB
United Kingdom
Prior art keywords
vessel
gases
heat
burners
march
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
GB903860A
Inventor
Stanley Clayton Thomson
Charles Cecil Drewery
Robert Henry Anderson
Trevor Ward
Cyril Henry Rann
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.)
Clayton Son & Co Ltd
North Western Gas Board
North Eastern Gas Board
Original Assignee
Clayton Son & Co Ltd
North Western Gas Board
North Eastern Gas Board
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 Clayton Son & Co Ltd, North Western Gas Board, North Eastern Gas Board filed Critical Clayton Son & Co Ltd
Priority to GB903860A priority Critical patent/GB908449A/en
Publication of GB908449A publication Critical patent/GB908449A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/30—Stress-relieving

Abstract

908,449. Heat-treating vessels. NORTH EASTERN GAS BOARD, and CLAYTON, SON & CO. Ltd. March 15, 1961 [March 15, 1960], No. 9038/60. Class 72. A metal shell structure such as a welded fabricated cylindrical vessel 1 is heat-treated by surrounding it with an insulating material 2 to prevent heat losses and circulating within or through the vessel hot gases consisting of combustion products from one or more highvelocity burners 8, e.g. gas-burners, which are injected, e.g. at 400 m.p.h., into the vessel to produce and maintain a uniform elevated temperature over its inner surface. Preferably, the jet of gases is projected across an opening 9 into one or more tubular distributer devices 3 provided with apertures 4 which distribute the gases uniformly throughout the vessel's interior. Control of hot gas distribution may be obtained by one or more counter-jets of compressed-air supplied through the pipes 10 and 11. The burner mixture may be adjusted to provide reducing, neutral or oxidizing conditions.
GB903860A 1960-03-15 1960-03-15 Improvements relating to heat treatments of metal vessels or shell structures Expired GB908449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB903860A GB908449A (en) 1960-03-15 1960-03-15 Improvements relating to heat treatments of metal vessels or shell structures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB903860A GB908449A (en) 1960-03-15 1960-03-15 Improvements relating to heat treatments of metal vessels or shell structures

Publications (1)

Publication Number Publication Date
GB908449A true GB908449A (en) 1962-10-17

Family

ID=9864202

Family Applications (1)

Application Number Title Priority Date Filing Date
GB903860A Expired GB908449A (en) 1960-03-15 1960-03-15 Improvements relating to heat treatments of metal vessels or shell structures

Country Status (1)

Country Link
GB (1) GB908449A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268246A (en) * 1979-09-21 1981-05-19 Chicago Bridge & Iron Company Method and apparatus for metal object heat treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268246A (en) * 1979-09-21 1981-05-19 Chicago Bridge & Iron Company Method and apparatus for metal object heat treatment

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