EP0258105A1 - Auflage für einen Rohrbalken in einem Aufwärmofen für siderurgische Produkte - Google Patents

Auflage für einen Rohrbalken in einem Aufwärmofen für siderurgische Produkte Download PDF

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Publication number
EP0258105A1
EP0258105A1 EP87401781A EP87401781A EP0258105A1 EP 0258105 A1 EP0258105 A1 EP 0258105A1 EP 87401781 A EP87401781 A EP 87401781A EP 87401781 A EP87401781 A EP 87401781A EP 0258105 A1 EP0258105 A1 EP 0258105A1
Authority
EP
European Patent Office
Prior art keywords
tube
support
chenet
furnace
plate
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.)
Granted
Application number
EP87401781A
Other languages
English (en)
French (fr)
Other versions
EP0258105B1 (de
Inventor
Yves Braud
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.)
Fives Stein SA
Original Assignee
Stein Heurtey SA
Fives Stein SA
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 Stein Heurtey SA, Fives Stein SA filed Critical Stein Heurtey SA
Priority to AT87401781T priority Critical patent/ATE53116T1/de
Publication of EP0258105A1 publication Critical patent/EP0258105A1/de
Application granted granted Critical
Publication of EP0258105B1 publication Critical patent/EP0258105B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/02—Skids or tracks for heavy objects
    • F27D3/022—Skids
    • 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
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/22—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on rails, e.g. under the action of scrapers or pushers

Definitions

  • chenets constituted by tubes cooled by water circulation and supported by metal columns or keels.
  • Each of these pins is hitherto formed by a vertical assembly of two concentric tubes, capable of ensuring the circulation of cooling water, which is fixed at its upper part to the chenet tube and at its lower part to a support frame possibly mobile so as to communicate to the chenet a rectangular or circular movement ensuring the movement of the products.
  • the skittles are the source of heat losses and it is interesting to reduce their number in order to reduce the heat losses or, for the same number of skittles, to reduce the diameter of the chenets, therefore their shadow effect on the products to be heated .
  • the present invention relates to a chenet support which provides better support for the chenets than the existing keels, which consequently reduces the deformation which these chenets undergo under the action of the weight of the products and makes it possible to further space the keels for the same load on the crawlers.
  • This support is characterized in that it consists of a molded part which has a triangular shape in the vertical plane passing through the axis of the chenet tube, supports this tube and is fitted onto a support keel.
  • the support is connected to the outer tube while the inner tube is engaged in the support and extends to the vicinity of the upper face of this support which is closed.
  • the support can be fixed to the chenet tube by two longitudinal weld seams placed in the vicinity of the neutral fiber of the tube.
  • the device according to the invention which is intended to support a horizontal chenet tube 1 consists of a molded piece 2 of steel which has a triangular shape in the vertical plane passing through the axis of the tube 1, as shown in Figure 1, and a substantially rectangular shape in the perpendicular plane.
  • the upper face 2 a of this part is closed and has the shape of a gutter in which the tube 1 is engaged; this is attached to part 2 by two horizontal weld beads 3, near the neutral fiber of the tube, so as not to reduce the resistance of the latter.
  • the part 2 is fitted onto a set of two concentric tubes 4 and 5 which constitute a support keel and allow a circulation of cooling water, the latter arriving via the external tube 5 and leaving via the internal tube 4.
  • the part 2 has at its base a cylindrical part 2 b by means of which it rests on the outer tube 5 while the tube 4 is engaged in the part 2 and extends almost up to to the upper face 2a of this coin.
  • the inner tube 4 is closed by a plate 6 supported by a cross 7 and whose length in the axial direction is greater than the diameter of the tube 4 ( Figure 1).
  • This plate has two flaps 8 partially cut and raised, which determines in this plate openings 9 allowing the cooling water to enter the tube 4.
  • the latter also has at its end side inlet openings 10
  • the tube 4 carries a plate 11 forming a baffle a short distance from its end. In operation, the cooling water which arrives through the tube 5 flows for the most part between the plate 6 and the upper face 2 a of the molded part 2 by cooling this face.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat Treatment Of Articles (AREA)
  • Resistance Heating (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Building Environments (AREA)
  • Catalysts (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Furnace Charging Or Discharging (AREA)
EP87401781A 1986-08-04 1987-07-30 Auflage für einen Rohrbalken in einem Aufwärmofen für siderurgische Produkte Expired - Lifetime EP0258105B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87401781T ATE53116T1 (de) 1986-08-04 1987-07-30 Auflage fuer einen rohrbalken in einem aufwaermofen fuer siderurgische produkte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8611481A FR2602322B1 (fr) 1986-08-04 1986-08-04 Support de chenet tubulaire pour four de rechauffage de produits siderurgiques
FR8611481 1986-08-04

Publications (2)

Publication Number Publication Date
EP0258105A1 true EP0258105A1 (de) 1988-03-02
EP0258105B1 EP0258105B1 (de) 1990-05-23

Family

ID=9338140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87401781A Expired - Lifetime EP0258105B1 (de) 1986-08-04 1987-07-30 Auflage für einen Rohrbalken in einem Aufwärmofen für siderurgische Produkte

Country Status (7)

Country Link
EP (1) EP0258105B1 (de)
CN (1) CN87105346A (de)
AT (1) ATE53116T1 (de)
DE (1) DE3762918D1 (de)
ES (1) ES2014483B3 (de)
FR (1) FR2602322B1 (de)
IN (1) IN169627B (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007464A1 (de) * 1978-07-15 1980-02-06 Smit Ovens Nijmegen B.V. Hubplattenofen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS589915A (ja) * 1981-07-10 1983-01-20 Nippon Kokan Kk <Nkk> 移動炉床型連続熱処理炉のシ−ル装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007464A1 (de) * 1978-07-15 1980-02-06 Smit Ovens Nijmegen B.V. Hubplattenofen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 77 (C-159)[1222], 30th March 1983; & JP-A-58 009 915 (NIPPON KOKAN K.K.) 20-01-1983 *

Also Published As

Publication number Publication date
ATE53116T1 (de) 1990-06-15
EP0258105B1 (de) 1990-05-23
FR2602322B1 (fr) 1988-10-21
FR2602322A1 (fr) 1988-02-05
ES2014483B3 (es) 1990-07-16
CN87105346A (zh) 1988-04-06
IN169627B (de) 1991-11-23
DE3762918D1 (de) 1990-06-28

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