Title:
炉頂装置
Document Type and Number:
Japanese Patent JP7122869
Kind Code:
B2
Abstract:
To provide a furnace top device capable of suppressing the deviation in the size of remaining raw material.SOLUTION: A furnace top device 20 comprises: a hopper 21 storing raw material M before being charged into a furnace; and a plurality of upper stage ramps (a first upper stage ramp 30 and a second upper stage ramp 60) provided in the middle of the free drop passage of the raw material M charged to the hopper 21 and slipping the drop position of the raw material M in the hopper 21 from the free drop passage. The plurality of upper stage ramps (the first stage ramp 30 and the second stage ramp 60) are respectively arranged at the positions to be received with the raw material M in the plurality of upper stage ramps (the first upper stage ramp 30 and the second upper stage ramp 60) while being spaced apart and tilted in different directions, respectively.SELECTED DRAWING: Figure 6
More Like This:
WO/2017/108998 | BLAST FURNACE STOCKHOUSE ARRANGEMENT |
WO/2018/110797 | DEVICE AND METHOD FOR SUPPLYING RAW MATERIAL |
Inventors:
Naofumi Sugawara
Application Number:
JP2018105496A
Publication Date:
August 22, 2022
Filing Date:
May 31, 2018
Export Citation:
Assignee:
Ihi Paul Worth Co., Ltd.
International Classes:
F27D3/10; C21B7/08; F27B1/20
Domestic Patent References:
JP60035188U | ||||
JP60208404A | ||||
JP61223113A | ||||
JP58087856U |
Attorney, Agent or Firm:
Aomi patent office
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