FR2364417A1 - Four tunnel de frittage - Google Patents

Four tunnel de frittage

Info

Publication number
FR2364417A1
FR2364417A1 FR7627768A FR7627768A FR2364417A1 FR 2364417 A1 FR2364417 A1 FR 2364417A1 FR 7627768 A FR7627768 A FR 7627768A FR 7627768 A FR7627768 A FR 7627768A FR 2364417 A1 FR2364417 A1 FR 2364417A1
Authority
FR
France
Prior art keywords
tunnel
sintering
gas stream
double
inlet 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.)
Pending
Application number
FR7627768A
Other languages
English (en)
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.)
SEDIMMEC
Original Assignee
SEDIMMEC
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 SEDIMMEC filed Critical SEDIMMEC
Priority to FR7627768A priority Critical patent/FR2364417A1/fr
Publication of FR2364417A1 publication Critical patent/FR2364417A1/fr
Pending legal-status Critical Current

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
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
    • F27B9/045—Furnaces with controlled atmosphere
    • F27B9/047—Furnaces with controlled atmosphere the atmosphere consisting of protective gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/003—Apparatus, e.g. furnaces
    • 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
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
    • F27B9/062—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated electrically heated
    • F27B9/063—Resistor heating, e.g. with resistors also emitting IR rays
    • 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
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
    • F27B9/08—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated heated through chamber walls
    • 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
    • F27D7/02—Supplying steam, vapour, gases, or liquids

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • Tunnel Furnaces (AREA)

Abstract

La présente invention a pour objet un four-tunnel de frittage caractérisé en ce qu'il comporte sur au moins une partie de la longueur de sa zone de préfrittage une double paroi délimitant un espace qui communique à son extrémite aval avec un conduit d'arrivée de gaz et à son extrémité amont avec la zone de préfrittage, un conduit de sortie du gaz débouchant dans le four en aval du ou des points d'injection du gaz provenant dudit espace.
FR7627768A 1976-09-09 1976-09-09 Four tunnel de frittage Pending FR2364417A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7627768A FR2364417A1 (fr) 1976-09-09 1976-09-09 Four tunnel de frittage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7627768A FR2364417A1 (fr) 1976-09-09 1976-09-09 Four tunnel de frittage

Publications (1)

Publication Number Publication Date
FR2364417A1 true FR2364417A1 (fr) 1978-04-07

Family

ID=9177720

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7627768A Pending FR2364417A1 (fr) 1976-09-09 1976-09-09 Four tunnel de frittage

Country Status (1)

Country Link
FR (1) FR2364417A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568277A (en) * 1983-12-20 1986-02-04 International Business Machines Corporation Apparatus for heating objects to and maintaining them at a desired temperature

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1586505A (fr) * 1968-09-27 1970-02-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1586505A (fr) * 1968-09-27 1970-02-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568277A (en) * 1983-12-20 1986-02-04 International Business Machines Corporation Apparatus for heating objects to and maintaining them at a desired temperature

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