PL428590A1 - Vacuum pit furnace for carburizing elements, in particular large-size elements - Google Patents

Vacuum pit furnace for carburizing elements, in particular large-size elements

Info

Publication number
PL428590A1
PL428590A1 PL428590A PL42859019A PL428590A1 PL 428590 A1 PL428590 A1 PL 428590A1 PL 428590 A PL428590 A PL 428590A PL 42859019 A PL42859019 A PL 42859019A PL 428590 A1 PL428590 A1 PL 428590A1
Authority
PL
Poland
Prior art keywords
elements
vacuum
carburizing
pit furnace
size
Prior art date
Application number
PL428590A
Other languages
Polish (pl)
Inventor
Wiesław Fujak
Radosław Osiński
Łukasz Piechowicz
Józef OLEJNIK
Maciej Korecki
Original Assignee
Seco/Warwick Spółka Akcyjna
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 Seco/Warwick Spółka Akcyjna filed Critical Seco/Warwick Spółka Akcyjna
Priority to PL428590A priority Critical patent/PL428590A1/en
Priority to ES20708217T priority patent/ES2938208T3/en
Priority to PCT/PL2020/000001 priority patent/WO2020149751A1/en
Priority to EP20708217.3A priority patent/EP3911905B1/en
Priority to PL20708217.3T priority patent/PL3911905T3/en
Publication of PL428590A1 publication Critical patent/PL428590A1/en

Links

Classifications

    • 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
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/0003—Linings or walls
    • F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
    • F27D1/0009—Comprising ceramic fibre elements
    • 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
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/02—Ohmic resistance heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)

Abstract

Piec wgłębny próżniowy do nawęglania podciśnieniowego detali zwłaszcza wielkogabarytowych, posiadający próżnioszczelną cylindryczną obudowę zamykaną lub otwieraną pokrywą, umieszczoną w tej obudowie komorę grzejną zaopatrzoną w izolację (2) oraz elementy grzejne (4) zamontowane w jej wnętrzu, charakteryzuje się tym, że izolacja komory grzejnej (4) posiada grubość dobraną odpowiednio dla zapewnienia optymalnej realizacji cyklów długotrwałego grzania konwekcyjnego i/lub próżniowego, przy czym warstwy izolacji wykonane są z materiałów ceramicznych, a elementy grzejne (4) wykonane są z metalu.Vacuum pit furnace for vacuum carburizing of details, especially large-size, with a vacuum-tight cylindrical casing closed or opened with a cover, a heating chamber placed in this casing, provided with insulation (2) and heating elements (4) installed inside it, characterized by the fact that the heating chamber insulation is (4) has a thickness selected appropriately to ensure the optimal implementation of long-term convection and / or vacuum heating cycles, the insulation layers being made of ceramic materials and the heating elements (4) made of metal.

PL428590A 2019-01-15 2019-01-15 Vacuum pit furnace for carburizing elements, in particular large-size elements PL428590A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PL428590A PL428590A1 (en) 2019-01-15 2019-01-15 Vacuum pit furnace for carburizing elements, in particular large-size elements
ES20708217T ES2938208T3 (en) 2019-01-15 2020-01-10 Vacuum furnace for vacuum carburizing workpieces
PCT/PL2020/000001 WO2020149751A1 (en) 2019-01-15 2020-01-10 Pit type vacuum furnace for carburization of elements, especially large- size elements
EP20708217.3A EP3911905B1 (en) 2019-01-15 2020-01-10 A pit type furnace for vacuum carburization of workpieces
PL20708217.3T PL3911905T3 (en) 2019-01-15 2020-01-10 A pit type furnace for vacuum carburization of workpieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL428590A PL428590A1 (en) 2019-01-15 2019-01-15 Vacuum pit furnace for carburizing elements, in particular large-size elements

Publications (1)

Publication Number Publication Date
PL428590A1 true PL428590A1 (en) 2020-07-27

Family

ID=69726668

Family Applications (2)

Application Number Title Priority Date Filing Date
PL428590A PL428590A1 (en) 2019-01-15 2019-01-15 Vacuum pit furnace for carburizing elements, in particular large-size elements
PL20708217.3T PL3911905T3 (en) 2019-01-15 2020-01-10 A pit type furnace for vacuum carburization of workpieces

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL20708217.3T PL3911905T3 (en) 2019-01-15 2020-01-10 A pit type furnace for vacuum carburization of workpieces

Country Status (4)

Country Link
EP (1) EP3911905B1 (en)
ES (1) ES2938208T3 (en)
PL (2) PL428590A1 (en)
WO (1) WO2020149751A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2621369A (en) * 2022-08-10 2024-02-14 Vacuum Furnace Eng Ltd A vacuum furnace device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854860A (en) * 1987-12-02 1989-08-08 Gas Research Institute Convective heat transfer within an industrial heat treating furnace
US6585928B2 (en) * 2001-09-07 2003-07-01 C. Edward Eckert Dispensing system for molten aluminum and method
US8636946B1 (en) * 2009-04-13 2014-01-28 Emisshield, Inc. Bell annealing furnace

Also Published As

Publication number Publication date
EP3911905B1 (en) 2022-12-28
PL3911905T3 (en) 2023-05-08
EP3911905A1 (en) 2021-11-24
ES2938208T3 (en) 2023-04-05
WO2020149751A1 (en) 2020-07-23

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