GB1346230A - Method of heating an object - Google Patents

Method of heating an object

Info

Publication number
GB1346230A
GB1346230A GB1493871A GB1493871A GB1346230A GB 1346230 A GB1346230 A GB 1346230A GB 1493871 A GB1493871 A GB 1493871A GB 1493871 A GB1493871 A GB 1493871A GB 1346230 A GB1346230 A GB 1346230A
Authority
GB
United Kingdom
Prior art keywords
mixture
swirling
speed
heating
nozzle units
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
GB1493871A
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.)
Tokyo Gas Co Ltd
Original Assignee
Tokyo Gas Co Ltd
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 Tokyo Gas Co Ltd filed Critical Tokyo Gas Co Ltd
Publication of GB1346230A publication Critical patent/GB1346230A/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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/52—Methods of heating with flames
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion Of Fluid Fuel (AREA)

Abstract

1346230 Swirling flames TOKYO GAS CO Ltd 14 May 1971 [14 May 1970] 14938/71 Heading F4B A method of heating an object M comprises injecting a mixture of fuel and oxidizing agent into a furnace through a plurality of nozzle units B 1 -B 4 in such a manner that the flows of mixture form a swirling flow which substantially encloses the object, and igniting the swirling flow of mixture to form a swirling flame. The speed of injection of the mixture from the respective nozzle units is greater than the speed of combustion of the mixture.
GB1493871A 1970-05-14 1971-05-14 Method of heating an object Expired GB1346230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4107470A JPS5025658B1 (en) 1970-05-14 1970-05-14

Publications (1)

Publication Number Publication Date
GB1346230A true GB1346230A (en) 1974-02-06

Family

ID=12598284

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1493871A Expired GB1346230A (en) 1970-05-14 1971-05-14 Method of heating an object

Country Status (4)

Country Link
JP (1) JPS5025658B1 (en)
DE (1) DE2123625A1 (en)
FR (1) FR2099743A5 (en)
GB (1) GB1346230A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8561602B2 (en) 2008-12-24 2013-10-22 Agio International Company, Ltd. Gas feature and method
WO2014036799A1 (en) * 2012-09-06 2014-03-13 四川惊雷科技股份有限公司 Large pit gas-type heat treatment furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8561602B2 (en) 2008-12-24 2013-10-22 Agio International Company, Ltd. Gas feature and method
WO2014036799A1 (en) * 2012-09-06 2014-03-13 四川惊雷科技股份有限公司 Large pit gas-type heat treatment furnace

Also Published As

Publication number Publication date
JPS5025658B1 (en) 1975-08-26
DE2123625A1 (en) 1971-11-25
FR2099743A5 (en) 1972-03-17

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years