GB2136938B - Improvements in furnaces - Google Patents

Improvements in furnaces

Info

Publication number
GB2136938B
GB2136938B GB08308016A GB8308016A GB2136938B GB 2136938 B GB2136938 B GB 2136938B GB 08308016 A GB08308016 A GB 08308016A GB 8308016 A GB8308016 A GB 8308016A GB 2136938 B GB2136938 B GB 2136938B
Authority
GB
United Kingdom
Prior art keywords
furnaces
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
GB08308016A
Other versions
GB2136938A (en
GB8308016D0 (en
Inventor
Anthony Patrick Barlow
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.)
WILD BARFIELD Ltd
Original Assignee
WILD BARFIELD 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 WILD BARFIELD Ltd filed Critical WILD BARFIELD Ltd
Priority to GB08308016A priority Critical patent/GB2136938B/en
Publication of GB8308016D0 publication Critical patent/GB8308016D0/en
Publication of GB2136938A publication Critical patent/GB2136938A/en
Application granted granted Critical
Publication of GB2136938B publication Critical patent/GB2136938B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D9/00—Cooling of furnaces or of charges therein
    • 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
    • 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
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B2005/062—Cooling elements
    • F27B2005/066—Cooling elements disposed around the fan
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/14—Arrangements of heating devices
    • F27B2005/143—Heating rods disposed in the chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/161—Gas inflow or outflow
    • F27B2005/162—Gas inflow or outflow through closable or non-closable openings of the chamber walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/166—Means to circulate the atmosphere
    • F27B2005/167—Means to circulate the atmosphere the atmosphere being recirculated through the treatment chamber by a turbine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
GB08308016A 1983-03-23 1983-03-23 Improvements in furnaces Expired GB2136938B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08308016A GB2136938B (en) 1983-03-23 1983-03-23 Improvements in furnaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08308016A GB2136938B (en) 1983-03-23 1983-03-23 Improvements in furnaces

Publications (3)

Publication Number Publication Date
GB8308016D0 GB8308016D0 (en) 1983-04-27
GB2136938A GB2136938A (en) 1984-09-26
GB2136938B true GB2136938B (en) 1986-06-18

Family

ID=10540076

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08308016A Expired GB2136938B (en) 1983-03-23 1983-03-23 Improvements in furnaces

Country Status (1)

Country Link
GB (1) GB2136938B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3622339A1 (en) * 1986-07-03 1988-01-07 Pfeiffer Vakuumtechnik DEVICE FOR DISTRIBUTING A HOT GAS FLOW
FR2614683B1 (en) * 1987-04-28 1989-06-16 Bmi Fours Ind GAS CURRENT VACUUM HEAT TREATMENT OVEN
FR2620207B1 (en) * 1987-09-04 1990-01-12 Physique Appliquee Ind ELECTRIC OVEN IN PARTICULAR FOR HEAT TREATMENT
FR2638826B1 (en) * 1988-11-04 1991-10-25 Bmi Fours Ind VACUUM OVEN WITH VARIABLE LOSSES
US5502742A (en) * 1993-02-26 1996-03-26 Abar Ipsen Industries, Inc. Heat treating furnace with removable floor, adjustable heating element support, and threaded ceramic gas injection nozzle
US7598477B2 (en) * 2005-02-07 2009-10-06 Guy Smith Vacuum muffle quench furnace

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219331A (en) * 1961-12-18 1965-11-23 Illinois Nat Bank & Trust Co Heat treating furnace
US3301541A (en) * 1964-06-12 1967-01-31 The Illinois National Bank Co Heat treating furnace with circulated gas quench
US3565410A (en) * 1968-09-06 1971-02-23 Midland Ross Corp Vacuum furnace
DE2637646B2 (en) * 1976-08-20 1978-08-10 Friedrich Wilhelm Dipl.- Ing. 5600 Wuppertal Elhaus Heating furnace
DE2844843C2 (en) * 1978-10-14 1985-09-12 Ipsen Industries International Gmbh, 4190 Kleve Industrial furnace for the heat treatment of metallic workpieces
DE3035032C1 (en) * 1980-09-17 1982-08-26 Stahlwerke Röchling-Burbach GmbH, 6620 Völklingen Process for the heat treatment of wire coils and continuous furnace for carrying out the process

Also Published As

Publication number Publication date
GB2136938A (en) 1984-09-26
GB8308016D0 (en) 1983-04-27

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Legal Events

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