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EP0077234A1 - Vorrichtung zum trocken Entzundern von sich bewegenden metallurgischen Produkten - Google Patents

Vorrichtung zum trocken Entzundern von sich bewegenden metallurgischen Produkten Download PDF

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Publication number
EP0077234A1
EP0077234A1 EP82401736A EP82401736A EP0077234A1 EP 0077234 A1 EP0077234 A1 EP 0077234A1 EP 82401736 A EP82401736 A EP 82401736A EP 82401736 A EP82401736 A EP 82401736A EP 0077234 A1 EP0077234 A1 EP 0077234A1
Authority
EP
European Patent Office
Prior art keywords
product
abrasive
housing
suction
chamber
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.)
Withdrawn
Application number
EP82401736A
Other languages
English (en)
French (fr)
Inventor
Patrice Ratte
Jacques Michelet
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.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
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 Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Publication of EP0077234A1 publication Critical patent/EP0077234A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
    • B24C1/086—Descaling; Removing coating films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
    • B24C3/10—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces for treating external surfaces
    • B24C3/12—Apparatus using nozzles

Definitions

  • This hydraulic descaling has the drawback of causing a reduction in the average temperature of the slabs by approximately 20 ° C., a reduction which is compensated for by a greater heating of the slabs at the start. Hydraulic descaling is therefore not very advantageous from the point of view of thermal balance. This drop in temperature is all the more important the lower the rolling speed. And in this case, the hydraulic descaling is no longer usable.
  • the means for preventing the sand from passing from the suction compartments to the outside of the housing are constituted by two pairs of metal brushes fixed to the external wall of the suction compartments, the brushes of each pair being placed so as to be in contact respectively with each of the faces to be descaled from the product.
  • the device according to the invention may also include, inside the abrasion chamber, means for preventing the abrasive from passing into the lateral suction compartments.
  • These means may consist of two pairs of metal plates, the plates of each pair being arranged near the walls of the abrasion chamber and on either side of the product, said plates being arranged so as to be in contact, by one on their side, respectively with each of the faces to be descaled from the product .
  • Figures 2-A and 2-B show a system according to which the sandblast sweeps the entire width of the product.
  • the injection nozzle 12 is mounted on a support 26 which has at one of its ends a threaded sleeve 27 and at the other end a smooth sleeve 28.
  • two rods, respectively working 29 and guiding 30, are arranged parallel to each other, through the sanding chamber 4, above the product and perpendicular to the direction of travel of the latter .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
EP82401736A 1981-10-01 1982-09-27 Vorrichtung zum trocken Entzundern von sich bewegenden metallurgischen Produkten Withdrawn EP0077234A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8118662 1981-10-01
FR8118662A FR2513924B1 (fr) 1981-10-01 1981-10-01 Dispositif de decalaminage de produits metallurgiques

Publications (1)

Publication Number Publication Date
EP0077234A1 true EP0077234A1 (de) 1983-04-20

Family

ID=9262718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82401736A Withdrawn EP0077234A1 (de) 1981-10-01 1982-09-27 Vorrichtung zum trocken Entzundern von sich bewegenden metallurgischen Produkten

Country Status (4)

Country Link
EP (1) EP0077234A1 (de)
JP (1) JPS58132313A (de)
BR (1) BR8205748A (de)
FR (1) FR2513924B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29502234U1 (de) * 1995-02-11 1995-04-13 Ernst Peiniger GmbH Unternehmen für Bautenschutz, 45145 Essen Oberflächen-Bearbeitungsvorrichtung für langgestreckte, ortsfest angebrachte Körper, insbesondere für Tragseile an Brücken

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1544519A (en) * 1919-09-26 1925-06-30 Willys Overland Co Sand-blast equipment
US1842619A (en) * 1927-10-24 1932-01-26 Blaw Knox Co Sheet cleaning apparatus
US1884791A (en) * 1927-06-06 1932-10-25 Blaw Knox Co Scale removing apparatus
US2037047A (en) * 1932-06-28 1936-04-14 Pangborn Corp Blast cleaning machine
US2621446A (en) * 1952-04-16 1952-12-16 Hydraulic Supply Mfg Company Grit blasting device for cleaning pipes and the like
US3031802A (en) * 1960-11-29 1962-05-01 Bell Intercontinental Corp Blast machine sealing means

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1544519A (en) * 1919-09-26 1925-06-30 Willys Overland Co Sand-blast equipment
US1884791A (en) * 1927-06-06 1932-10-25 Blaw Knox Co Scale removing apparatus
US1842619A (en) * 1927-10-24 1932-01-26 Blaw Knox Co Sheet cleaning apparatus
US2037047A (en) * 1932-06-28 1936-04-14 Pangborn Corp Blast cleaning machine
US2621446A (en) * 1952-04-16 1952-12-16 Hydraulic Supply Mfg Company Grit blasting device for cleaning pipes and the like
US3031802A (en) * 1960-11-29 1962-05-01 Bell Intercontinental Corp Blast machine sealing means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29502234U1 (de) * 1995-02-11 1995-04-13 Ernst Peiniger GmbH Unternehmen für Bautenschutz, 45145 Essen Oberflächen-Bearbeitungsvorrichtung für langgestreckte, ortsfest angebrachte Körper, insbesondere für Tragseile an Brücken

Also Published As

Publication number Publication date
BR8205748A (pt) 1983-09-06
JPS58132313A (ja) 1983-08-06
FR2513924A1 (fr) 1983-04-08
FR2513924B1 (fr) 1985-05-31

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE DE GB IT LU NL SE

17P Request for examination filed

Effective date: 19831014

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19851121

RIN1 Information on inventor provided before grant (corrected)

Inventor name: RATTE, PATRICE

Inventor name: MICHELET, JACQUES