GB673889A - An improved kiln or oven for the firing of fictile ware, refractories and like material - Google Patents

An improved kiln or oven for the firing of fictile ware, refractories and like material

Info

Publication number
GB673889A
GB673889A GB648049A GB648049A GB673889A GB 673889 A GB673889 A GB 673889A GB 648049 A GB648049 A GB 648049A GB 648049 A GB648049 A GB 648049A GB 673889 A GB673889 A GB 673889A
Authority
GB
United Kingdom
Prior art keywords
ducts
ware
chequered
trucks
air
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
GB648049A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB648049A priority Critical patent/GB673889A/en
Publication of GB673889A publication Critical patent/GB673889A/en
Expired 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
    • F27B9/02—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
    • F27B9/021—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces having two or more parallel tracks
    • F27B9/022—With two tracks moving in opposite directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Tunnel Furnaces (AREA)
  • Furnace Charging Or Discharging (AREA)

Abstract

673,889. Tunnel kilns. GREEN, W. June 9, 1950 [March 9, 1949], No. 6480/49. Class 51 (ii). In a multi - track countercurrent tunnel kiln for firing ceramic ware divided into a central firing zone and, depend. ing on the direction of travel of ware trucks, drying or cooling zones 26 and preheating or soaking zones 27, the loaded trucks 14 enter from either end through air-lock chambers 16 formed by drop or side projected screens 17, trucks from the left-hand end A using the two centre tracks 13 and those from the right-hand end B using the two outer tracks 12. The trucks 14 have a chequered platform 18 on which the ware is stacked and walls extending longitudinally of the kiln and carrying the tracks 12, 13 are formed with upper chequered portions 23 and define ducts 25 below the trucks and ducts 24 between the tracks. The firing zone is provided with chambers 20 in which solid, liquid or gaseous fuel is burnt and with adjacent air ports 22, the hot combustion gases being deflected from the arched roof 15, through the ware 19, the chequered platforms 18 and walls 23 into the ducts 24, the gases in the centre and side ducts being drawn by fan suction towards the end A and those in the two intermediate ducts being drawn towards the end B where they collect in the respective air-lock chambers 16. Cold air is drawn along the two central ducts 25 towards A and along the two outer ducts 25 towards B where it mixes with the combustion gases in the respective air-lock chambers, the mixed gases and air passing by ducts 28 to inlet ports 31 formed in the preheating zones 27 at the level of the charges 19 and below the chequered platforms 18. Any carbonaceous material in the ware is burnt out in these zones, the resultant hot gases with moisture driven from the incoming ware being extracted through roof ports 33 and used to preheat the air supplied through the ports 22. If desired, the kiln may be muffle heated by providing an inner lining in the firing zone behind which combustion gases circulate and extending the ducts 24 upwards to meet this lining replacing the chequered section 23 of the duct walls by a solid section of wall.
GB648049A 1949-03-18 1949-03-18 An improved kiln or oven for the firing of fictile ware, refractories and like material Expired GB673889A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB648049A GB673889A (en) 1949-03-18 1949-03-18 An improved kiln or oven for the firing of fictile ware, refractories and like material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB648049A GB673889A (en) 1949-03-18 1949-03-18 An improved kiln or oven for the firing of fictile ware, refractories and like material

Publications (1)

Publication Number Publication Date
GB673889A true GB673889A (en) 1952-06-11

Family

ID=9815252

Family Applications (1)

Application Number Title Priority Date Filing Date
GB648049A Expired GB673889A (en) 1949-03-18 1949-03-18 An improved kiln or oven for the firing of fictile ware, refractories and like material

Country Status (1)

Country Link
GB (1) GB673889A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995015472A1 (en) * 1993-12-01 1995-06-08 Keller Gmbh Process for firing formed ceramic bodies and installation for carrying out the process
EP2944906A1 (en) * 2014-05-13 2015-11-18 Keller H.C.W. GmbH Kiln for the firing of ceramic blanks

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995015472A1 (en) * 1993-12-01 1995-06-08 Keller Gmbh Process for firing formed ceramic bodies and installation for carrying out the process
AT401817B (en) * 1993-12-01 1996-12-27 Rieger Walter METHOD FOR BURNING CERAMIC MOLDINGS AND SYSTEM FOR IMPLEMENTING THE METHOD
EP2944906A1 (en) * 2014-05-13 2015-11-18 Keller H.C.W. GmbH Kiln for the firing of ceramic blanks

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