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1. WO2020111666 - FLUIDIZED BED FURNACE

Publication Number WO/2020/111666
Publication Date 04.06.2020
International Application No. PCT/KR2019/016101
International Filing Date 22.11.2019
IPC
F27B 15/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS, OVENS OR RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
15Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
F27B 15/08 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS, OVENS OR RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
15Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
02Details, accessories, or equipment peculiar to furnaces of these types
08Arrangement of devices for charging
F27B 15/09 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS, OVENS OR RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
15Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
02Details, accessories, or equipment peculiar to furnaces of these types
09Arrangement of devices for discharging
F27B 15/10 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS, OVENS OR RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
15Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
02Details, accessories, or equipment peculiar to furnaces of these types
10Arrangements of air or gas supply devices
C21B 13/00 2006.01
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
BMANUFACTURE OF IRON OR STEEL
13Making spongy iron or liquid steel, by direct processes
CPC
C21B 13/0033
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
BMANUFACTURE OF IRON OR STEEL
13Making spongy iron or liquid steel, by direct processes
0033In fluidised bed furnaces or apparatus containing a dispersion of the material
F27B 15/003
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
15Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
003Cyclones or chain of cyclones
F27B 15/08
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
15Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
02Details, accessories, or equipment peculiar to furnaces of these types
08Arrangements of devices for charging
F27B 15/09
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
15Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
02Details, accessories, or equipment peculiar to furnaces of these types
09Arrangements of devices for discharging
F27B 15/10
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
15Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
02Details, accessories, or equipment peculiar to furnaces of these types
10Arrangements of air or gas supply devices
Applicants
  • 주식회사 포스코 POSCO [KR]/[KR]
Inventors
  • 고창국 KO, Chang Kuk
  • 신명균 SHIN, Myoung Kyun
Agents
  • 유미특허법인 YOU ME PATENT AND LAW FIRM
Priority Data
10-2018-014750626.11.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) FLUIDIZED BED FURNACE
(FR) FOUR À LIT FLUIDISÉ
(KO) 유동로
Abstract
(EN)
A fluidized bed furnace comprises: a lower reactor which forms a first fluidized bed space having a first diameter, and which includes a discharge port through which reduced iron fines are discharged; an upper reactor which forms a second fluidized bed space having a second diameter greater than the first diameter, and which includes a charging port through which iron ore fines are charged; and a tapered part which forms a connecting space that allows communication between the first fluidized bed space and the second fluidized bed space, and which directly connects the lower reactor and the upper reactor.
(FR)
La présente invention concerne un four à lit fluidisé comprenant : un réacteur inférieur qui forme un premier espace de lit fluidisé ayant un premier diamètre, et qui comprend un orifice de décharge à travers lequel des fines de fer réduites sont évacuées ; un réacteur supérieur qui forme un second espace de lit fluidisé ayant un second diamètre supérieur au premier diamètre, et qui comprend un orifice de charge par lequel des fines de minerai de fer sont chargées ; et une partie effilée formant un espace de liaison qui permet la communication entre le premier espace de lit fluidisé et le second espace de lit fluidisé, et qui relie directement le réacteur inférieur et le réacteur supérieur.
(KO)
유동로는 제1 지름을 가지는 제1 유동층 공간을 형성하며 미분 환원철이 배출되는 배출구를 포함하는 하부 반응기, 상기 제1 지름 대비 큰 제2 지름을 가지는 제2 유동층 공간을 형성하며 미분 철광석이 장입되는 장입구를 포함하는 상부 반응기, 및 상기 제1 유동층 공간과 상기 제2 유동층 공간 사이를 연통하는 연결 공간을 형성하며 상기 하부 반응기와 상기 상부 반응기 사이를 직접 연결하는 테이퍼부를 포함한다.
Also published as
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