GB1034729A - Industrial furnace cooling system - Google Patents

Industrial furnace cooling system

Info

Publication number
GB1034729A
GB1034729A GB47026/64A GB4702664A GB1034729A GB 1034729 A GB1034729 A GB 1034729A GB 47026/64 A GB47026/64 A GB 47026/64A GB 4702664 A GB4702664 A GB 4702664A GB 1034729 A GB1034729 A GB 1034729A
Authority
GB
United Kingdom
Prior art keywords
duct
cooling system
fan
cooling
gas
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
GB47026/64A
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.)
Salem Brosius Inc
Original Assignee
Salem Brosius Inc
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 Salem Brosius Inc filed Critical Salem Brosius Inc
Publication of GB1034729A publication Critical patent/GB1034729A/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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/663—Bell-type furnaces
    • 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
    • C21D1/84—Controlled slow cooling

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)
  • Furnace Details (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Abstract

<PICT:1034729/C6-C7/1> A cooling system 26 for the atmosphere of a batch annealing furnace 10, of the single or multi stand type, having a refractory hearth 11, metal inner cover 18, supporting base 17 and circulating fan 32 comprises an outlet duct 42 connected to a tubular heat exchanger 48 and a return duct 43 containing separate fan means 51 and liquid coolant circulating means 55-67. In operation protective gas is supplied through pipe 25 to purge the furnace 10 and cooling system 26 out through line 27. Then during the heating and soaking cycles, the cooling system is isolated by shutting motorized butterfly valve 50, and the gas is recirculated up between the coils 65 and the cover 18 and down through central openings 31 by the fan 32 to pass out through the radial gaps formed by the plates 33, 35, 38 (Figs. 2, 3 not shown) constituting base 17. On commencement of the cooling cycle with outer cover 23 removed, valve 50 is opened and a portion of the gas is withdrawn through jacketed outflow duct 42, to pass via duct bend 47, to liquid cooled tubular heat exchanger 48 to return to admix with the other atmosphere through jacketed return duct 43, the degree of cooling being controlled by regulatng the water flow by valve means 56 in response to the water outlet temperature. After the initial cooling, axial fan 51 in return duct 43 is operated to positively circulate greater quantities of the atmosphere gas through cooling system 26. A drain and petcock are provided at the bottom of duct bend 47. In modifications, Figs. 7-10 (not shown) the axial fan in the cooling circuit is replaced by a centrifugal fan.
GB47026/64A 1964-05-19 1964-11-18 Industrial furnace cooling system Expired GB1034729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US368584A US3302939A (en) 1964-05-19 1964-05-19 Industrial furnace cooling system

Publications (1)

Publication Number Publication Date
GB1034729A true GB1034729A (en) 1966-07-06

Family

ID=23451854

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47026/64A Expired GB1034729A (en) 1964-05-19 1964-11-18 Industrial furnace cooling system

Country Status (3)

Country Link
US (1) US3302939A (en)
DE (1) DE1433786B2 (en)
GB (1) GB1034729A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE679856A (en) * 1965-05-06 1966-10-03
US3352551A (en) * 1965-11-12 1967-11-14 United States Steel Corp Coil separator
DE2657078C2 (en) * 1975-12-29 1984-08-16 Kawasaki Jukogyo K.K., Kobe, Hyogo Device for direct current ion nitriding of workpieces
US4596526A (en) * 1985-03-04 1986-06-24 Worthington Industries, Inc. Batch coil annealing furnace and method
US4643401A (en) * 1985-08-28 1987-02-17 Mg Industries Apparatus for cooling a vacuum furnace
CN109579546B (en) * 2018-11-29 2021-01-12 湖南顶立科技有限公司 Two-stage cooling furnace
US11444053B2 (en) * 2020-02-25 2022-09-13 Yield Engineering Systems, Inc. Batch processing oven and method
US11688621B2 (en) 2020-12-10 2023-06-27 Yield Engineering Systems, Inc. Batch processing oven and operating methods

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA635369A (en) * 1962-01-30 E. Turpin Geoffrey Method of annealing metal goods and furnaces for carrying out such method
US1727192A (en) * 1926-08-20 1929-09-03 Thaddeus F Baily Annealing equipment and method
US1938306A (en) * 1931-05-04 1933-12-05 Eastwood Nealley Corp Annealing furnace
US2018780A (en) * 1933-06-30 1935-10-29 Young Radiator Co Air conditioning system with dehumidifier and reheater
US2063988A (en) * 1934-07-31 1936-12-15 Gen Motors Corp Refrigerating apparatus
US2028457A (en) * 1935-05-07 1936-01-21 Karmazin Engineering Company Refrigerating apparatus
US2477796A (en) * 1943-01-28 1949-08-02 Westinghouse Electric Corp Heat-treating furnace
US2902265A (en) * 1957-05-28 1959-09-01 Dubovick Gustave Heat retriever
US3071500A (en) * 1957-09-09 1963-01-01 Robert L Corbett Hood-type annealing furnace
GB930063A (en) * 1958-07-10 1963-07-03 Steel Co Of Wales Ltd Improvements in, or relating to, annealing furnaces
US3011926A (en) * 1958-10-24 1961-12-05 Boeing Co Method of brazing and heat treating honeycomb sandwich structures

Also Published As

Publication number Publication date
US3302939A (en) 1967-02-07
DE1433786A1 (en) 1968-12-05
DE1433786B2 (en) 1970-11-26

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