GB1452652A - Furnaces - Google Patents

Furnaces

Info

Publication number
GB1452652A
GB1452652A GB3042074A GB3042074A GB1452652A GB 1452652 A GB1452652 A GB 1452652A GB 3042074 A GB3042074 A GB 3042074A GB 3042074 A GB3042074 A GB 3042074A GB 1452652 A GB1452652 A GB 1452652A
Authority
GB
United Kingdom
Prior art keywords
hood
sections
treatment zone
refractory
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
GB3042074A
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.)
FHD FURNACES Ltd
Original Assignee
FHD FURNACES 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 FHD FURNACES Ltd filed Critical FHD FURNACES Ltd
Priority to GB3042074A priority Critical patent/GB1452652A/en
Publication of GB1452652A publication Critical patent/GB1452652A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F27B5/10—Muffles
    • 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
    • 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
    • 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
    • F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/32—Casings
    • 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

Landscapes

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

Abstract

1452652 Muffle furnaces FHD FURNACES Ltd 9 May 1975 [9 July 1974] 30420/74 Heading F4B A furnace for treating materials in continuous movement comprises an elongated gastight chamber and a hearth 6 over which passes a conveyor 7 for the materials to be treated, the conveyor being covered with a longitudinal refractory hood 11 which encloses a treatment zone, the heating means being outside the treatment zone. The refractory material has a high thermal conductivity and is inert to cracked ammonia and to endothermic and exothermic atmospheres. The refractory used is silicon-nitride-bonded silicon carbide and the hood is formed in sections joined together 'end-to-end'. The atmosphere of the treatment zone may be supplied through ducts 13 formed in the hood sections, or through a pipe housed in recesses in the hood sections. At the position between two different sections of the furnace, the section of the hood is formed with a depending ridge forming a radiation barrier (Fig. 4c, not shown).
GB3042074A 1974-07-09 1974-07-09 Furnaces Expired GB1452652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3042074A GB1452652A (en) 1974-07-09 1974-07-09 Furnaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3042074A GB1452652A (en) 1974-07-09 1974-07-09 Furnaces

Publications (1)

Publication Number Publication Date
GB1452652A true GB1452652A (en) 1976-10-13

Family

ID=10307418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3042074A Expired GB1452652A (en) 1974-07-09 1974-07-09 Furnaces

Country Status (1)

Country Link
GB (1) GB1452652A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143312A (en) * 1983-07-14 1985-02-06 Siti Supporting structures for furnace crowns
US4569661A (en) * 1984-09-04 1986-02-11 General Electric Company Furnace construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143312A (en) * 1983-07-14 1985-02-06 Siti Supporting structures for furnace crowns
US4569661A (en) * 1984-09-04 1986-02-11 General Electric Company Furnace construction

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Legal Events

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