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1. WO1996002334 - METHOD AND APPARATUS FOR WASHING STEEL PLATE SURFACES

Publication Number WO/1996/002334
Publication Date 01.02.1996
International Application No. PCT/JP1995/001397
International Filing Date 13.07.1995
IPC
B21B 45/08 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
45Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
04for de-scaling
08hydraulically
CPC
B21B 45/08
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
BROLLING OF METAL
45Devices for surface ; or other; treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
04for de-scaling ; , e.g. by brushing
08hydraulically
Applicants
  • KAWASAKI STEEL CORPORATION [JP/JP]; 1-28, Kitahonmachi-dori 1-chome Chuo-ku Kobe-shi Hyogo-ken 651, JP (AllExceptUS)
  • SHIMIZU, Masuto [JP/JP]; JP (UsOnly)
  • ADACHI, Akio [JP/JP]; JP (UsOnly)
  • OGAWA, Hiroyuki [JP/JP]; JP (UsOnly)
  • KUWAKO, Hiroshi [JP/JP]; JP (UsOnly)
  • SHIRAISHI, Masaji [JP/JP]; JP (UsOnly)
  • SEKINE, Takeo [JP/JP]; JP (UsOnly)
  • AOYAMA, Naotoshi [JP/JP]; JP (UsOnly)
  • KANAMOTO, Norio [JP/JP]; JP (UsOnly)
Inventors
  • SHIMIZU, Masuto; JP
  • ADACHI, Akio; JP
  • OGAWA, Hiroyuki; JP
  • KUWAKO, Hiroshi; JP
  • SHIRAISHI, Masaji; JP
  • SEKINE, Takeo; JP
  • AOYAMA, Naotoshi; JP
  • KANAMOTO, Norio; JP
Agents
  • KOSUGI, Yoshio; Pelican Building 4th floor 3-3, Nishi-shimbashi 3-chome Minato-ku Tokyo 105 , JP
Priority Data
6/16540818.07.1994JP
6/22508720.09.1994JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) METHOD AND APPARATUS FOR WASHING STEEL PLATE SURFACES
(FR) PROCEDE ET APPAREIL DE NETTOYAGE DE PLAQUES D'ACIER
Abstract
(EN)
A washing device for a surface of a steel plate which permits, e.g., a sufficient removal of scales therefrom before being hot rolled. Water (42a, 46a) is jetted from nozzles (42, 46) of a descaler (40) toward the downstream side of a carrying direction at an angle of 20° relative to a normal steel plate surface (32a) at a jetting pressure of 100 kg/cm2 and a flow rate of 601/min. On the other hand, water (44a, 48a) is also jetted from nozzles (44, 48) at the same jetting pressure and flow rate and at the same angle as in the case of the nozzles (42, 46), but with the jetting direction toward the upstream side of the carrying direction. In other words, water (42a, 44a, 46a, 48a) is jetted from the respective nozzles (42, 44, 46, 48) alternately in opposite directions, i.e., toward the upstream and downstream sides of the carrying direction.
(FR)
Dispositif de nettoyage de la surface de plaques d'acier assurant par exemple une élimination suffisante des dépôts pour en permettre le laminage à chaud. Des buses (42, 46) d'un nettoyeur (40) projettent de l'eau du côté aval du sens de transport selon un angle de 20° par rapport à la normale à la surface (32a) de la plaque d'acier, à une pression de pulvérisation de 100 kg/cm2 et à un débit de 60 l/min. Par ailleurs, de l'eau (44a, 48a) à pression et débit identiques et selon le même angle, est également projetée par des buses (44, 48), mais vers l'amont du sens de transport. En d'autres termes, l'eau (42a, 44a, 46a, 48a) est projetée en alternance par les buses correspondantes (42, 44, 46, 48) vers l'amont et l'aval de la direction de transport.
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