Title:
PRECAST BLOCK FOR COKE OVEN AND COKE OVEN USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/213629
Kind Code:
A1
Abstract:
The present invention provides a precast block for a coke oven, which exhibits sufficient fluidity during pouring construction. This precast block for a coke oven is mainly composed of an amorphous silica raw material, and where the content ratio of a siliceous raw material having a particle size of less than 10 μm in 100% by mass of a siliceous raw material containing the amorphous silica raw material is denoted by A (% by mass), and the content ratio of a siliceous raw material having a particle size of less than 1 μm is denoted by B (% by mass), A is 15-19 (% by mass) and B/A × 100 is 45-85.
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Inventors:
KITAZAWA YUTAKA (JP)
KASAI ATSUYA (JP)
TAMURA YOSHIHIRO (JP)
NITTA MICHIO (JP)
TANAKA HIROTO (JP)
KASAI ATSUYA (JP)
TAMURA YOSHIHIRO (JP)
NITTA MICHIO (JP)
TANAKA HIROTO (JP)
Application Number:
PCT/JP2020/016526
Publication Date:
October 22, 2020
Filing Date:
April 15, 2020
Export Citation:
Assignee:
KROSAKIHARIMA CORP (JP)
NIPPON STEEL CORP (JP)
NIPPON STEEL CORP (JP)
International Classes:
C10B29/02; C04B35/66; F27D1/00; F27D1/16
Foreign References:
| JP2018024545A | 2018-02-15 | |||
| JP2013189322A | 2013-09-26 | |||
| JP2016052960A | 2016-04-14 | |||
| JP2007269605A | 2007-10-18 | |||
| JP2016088755A | 2016-05-23 | |||
| JP2008081360A | 2008-04-10 |
Attorney, Agent or Firm:
EIWA PATENT FIRM (JP)
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