GB1277846A - Improvements in or relating to furnaces - Google Patents

Improvements in or relating to furnaces

Info

Publication number
GB1277846A
GB1277846A GB1790970A GB1790970A GB1277846A GB 1277846 A GB1277846 A GB 1277846A GB 1790970 A GB1790970 A GB 1790970A GB 1790970 A GB1790970 A GB 1790970A GB 1277846 A GB1277846 A GB 1277846A
Authority
GB
United Kingdom
Prior art keywords
furnace
chamber
charge
heat
april
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
GB1790970A
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.)
Ipsen International GmbH
Original Assignee
Ipsen International GmbH
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 Ipsen International GmbH filed Critical Ipsen International GmbH
Publication of GB1277846A publication Critical patent/GB1277846A/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
    • C21D1/74—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
    • F27B5/06—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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)

Abstract

1277846 Vacuum furnaces IPSEN INDUSTRIES INTERNATIONAL GmbH 15 April 1970 [17 April 1969] 17909/70 Heading F4B A furnace usable as a vacuum furnace or as an atmospheric pressure furnace, comprises a pressure-tight casing 12 having a heat-insulating wall 18 dividing the furnace into a first chamber 15 and a second chamber 16 containing the charge 22. The furnace also comprises a heat-exchanger 28 for cooling the gas within the casing and selectively movable between the chambers, electric heating means 23 for heating the charge, a fan 24 for circulating gas within the first chamber, and a baffle arrangement 26 for guiding the circulating gas over the charge 22. The heat exchanger 28 lies within the chamber 15 during the heating process, so as to be shielded by the partition 18.
GB1790970A 1969-04-17 1970-04-15 Improvements in or relating to furnaces Expired GB1277846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691919493 DE1919493C3 (en) 1969-04-17 1969-04-17 Atmospheric vacuum furnace

Publications (1)

Publication Number Publication Date
GB1277846A true GB1277846A (en) 1972-06-14

Family

ID=5731458

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1790970A Expired GB1277846A (en) 1969-04-17 1970-04-15 Improvements in or relating to furnaces

Country Status (5)

Country Link
DE (1) DE1919493C3 (en)
ES (1) ES378573A1 (en)
FR (1) FR2045368A5 (en)
GB (1) GB1277846A (en)
SE (1) SE357211B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8088328B2 (en) 2008-06-13 2012-01-03 Jones William R Vacuum nitriding furnace

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2332337A1 (en) * 1975-11-21 1977-06-17 Vide & Traitement Sa Multipurpose furnace for ion implantation in metals - for surface treatments including carburizing and quenching
DE2628605C3 (en) * 1976-06-25 1980-03-20 Ipsen Industries International Gmbh, 4190 Kleve Single chamber tempering furnace
DE2839807C2 (en) * 1978-09-13 1986-04-17 Degussa Ag, 6000 Frankfurt Vacuum furnace with gas cooling device
DE3416902A1 (en) * 1984-05-08 1985-11-14 Schmetz Industrieofenbau und Vakuum-Hartlöttechnik KG, 5750 Menden METHOD AND VACUUM OVEN FOR HEAT TREATING A BATCH
DE3736501C1 (en) * 1987-10-28 1988-06-09 Degussa Process for the heat treatment of metallic workpieces
DE3736502C1 (en) * 1987-10-28 1988-06-09 Degussa Vacuum furnace for the heat treatment of metallic workpieces
DE3910234C1 (en) * 1989-03-30 1990-04-12 Degussa Ag, 6000 Frankfurt, De
FR2689225A1 (en) * 1992-03-25 1993-10-01 Stein Heurtey Physitherm Multipurpose furnace providing heat treatment in various conditions - including vacuum or forced convection under pressure as well as in still inert gas and tempering operations
CN102962611B (en) * 2012-11-16 2015-05-27 东方电气(广州)重型机器有限公司 Heating device for dynamic welding of large-size thick-wall workpiece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8088328B2 (en) 2008-06-13 2012-01-03 Jones William R Vacuum nitriding furnace

Also Published As

Publication number Publication date
SE357211B (en) 1973-06-18
FR2045368A5 (en) 1971-02-26
ES378573A1 (en) 1972-06-16
DE1919493A1 (en) 1970-11-05
DE1919493C3 (en) 1980-05-08
DE1919493B2 (en) 1977-06-16

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Legal Events

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