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1. WO2020239269 - BEATER PLATE FOR BEATER MILL ASSEMBLY

Publication Number WO/2020/239269
Publication Date 03.12.2020
International Application No. PCT/EP2020/025256
International Filing Date 29.05.2020
IPC
C23C 28/00 2006.01
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
28Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups C23C2/-C23C26/173
B02C 13/28 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
13Disintegrating by mills having rotary beater elements
26Details
28Shape or construction of beater elements
B02C 13/13 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
13Disintegrating by mills having rotary beater elements
13with horizontal rotor shaft and combined with sifting devices, e.g. for making powdered fuel
Applicants
  • GENERAL ELECTRIC TECHNOLOGY GMBH [CH]/[CH]
Inventors
  • SAI RAMCHANDRA RAO, Indraganti, Satya
  • KRISHNENDU, Aditya
  • K, Anand
  • CALLA, Eklavya
Agents
  • HOLLOS, Andrew
Priority Data
20191102142030.05.2019IN
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) BEATER PLATE FOR BEATER MILL ASSEMBLY
(FR) PLAQUE DE MARTEAU POUR ENSEMBLE BROYEUR À MARTEAUX
Abstract
(EN)
Disclosed is a beater plate (10) for a dynamic beater wheel (100) in a beater mill assembly (1000) for pulverizing coal. The beater plate (10) includes a layer of hard-faced surface (12). The layer of hard-faced surface (12) is obtained by hardfacing a surface of the beater plate receiving the coal. The beater plate (10) further includes a layer of coating (14) comprising hard particles. The layer of coating (14) is disposed over the layer of hard-faced surface (12). The hard particles of the layer of the coating are uniformly dispersed in the metal matrix of the beater plate (10), and wherein the hard particles are having more than 50wt% of particles of the coating uniformly dispersed in the metal matrix of the plate (10). Also disclosed is a process of making the beater plate (10), and configuration of the beater plate (10) with the dynamic beater wheel (100).
(FR)
L'invention concerne une plaque (10) de marteau pour une roue (100) de marteau dynamique dans un ensemble broyeur à marteau (1000) permettant de pulvériser du charbon. La plaque (10) de marteau comprend une couche de surface à rechargement dur (12). La couche de surface à rechargement dur (12) est obtenue par rechargement dur d'une surface de la plaque de marteau recevant le charbon. La plaque (10) de marteau comprend en outre une couche de revêtement (14) comprenant des particules dures. La couche de revêtement (14) est disposée sur la couche de surface à rechargement dur (12). Les particules dures de la couche du revêtement sont dispersées uniformément dans la matrice métallique de la plaque (10) de marteau, et les particules dures présentant plus de 50 % en poids de particules du revêtement dispersées uniformément dans la matrice métallique de la plaque (10). L'invention concerne également un procédé de fabrication de la plaque (10) de marteau et la conception de la plaque (10) de marteau avec la roue (100) de marteau dynamique.
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