Title:
METHOD OF DEMOLISHING FURNACE OF MULTILAYERED-REFRACTORY STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2011/027610
Kind Code:
A1
Abstract:
Disclosed is a method of demolishing a furnace of a multilayered-refractory structure having an iron shell (61), an asbestos-containing layer (62A) which covers the inner surface of the iron shell and is constituted of asbestos-containing refractories (621, 622), and multiple asbestos-free layers (62B) which cover the inner surface of the asbestos-containing layer and are constituted of refractories (623-625) containing no asbestos, the method comprising implementing a primary demolition step in which the asbestos-free layers (62B) are demolished from the core side of the furnace so that the asbestos-containing layer (62A) and at least one layer (623) of the asbestos-free layers (62B) which is in contact with the asbestos-containing layer are left as the remainder (62C) and thereafter implementing a secondary demolition step in which the remainder (62C) is demolished while taking a measure against asbestos.
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Inventors:
KURAYOSHI Kazumi (46-59, Oaza-nakabaru, Tobata-ku, Kitakyusyu-cit, Fukuoka 05, 〒8048505, JP)
倉吉 和美 (〒05 福岡県北九州市戸畑区大字中原４６－５９ 新日鉄エンジニアリング株式会社内 Fukuoka, 〒8048505, JP)
KATO Ryo (46-59, Oaza-nakabaru, Tobata-ku, Kitakyusyu-cit, Fukuoka 05, 〒8048505, JP)
加藤 亮 (〒05 福岡県北九州市戸畑区大字中原４６－５９ 新日鉄エンジニアリング株式会社内 Fukuoka, 〒8048505, JP)
倉吉 和美 (〒05 福岡県北九州市戸畑区大字中原４６－５９ 新日鉄エンジニアリング株式会社内 Fukuoka, 〒8048505, JP)
KATO Ryo (46-59, Oaza-nakabaru, Tobata-ku, Kitakyusyu-cit, Fukuoka 05, 〒8048505, JP)
加藤 亮 (〒05 福岡県北九州市戸畑区大字中原４６－５９ 新日鉄エンジニアリング株式会社内 Fukuoka, 〒8048505, JP)
Application Number:
JP2010/060802
Publication Date:
March 10, 2011
Filing Date:
June 25, 2010
Export Citation:
Assignee:
NIPPON STEEL ENGINEERING CO., LTD. (Osaki Center Building, 1-5-1 Osaki Shinagawa-k, Tokyo 04, 〒1418604, JP)
新日鉄エンジニアリング株式会社 (〒04 東京都品川区大崎一丁目５番１号大崎センタービル Tokyo, 〒1418604, JP)
KURAYOSHI Kazumi (46-59, Oaza-nakabaru, Tobata-ku, Kitakyusyu-cit, Fukuoka 05, 〒8048505, JP)
倉吉 和美 (〒05 福岡県北九州市戸畑区大字中原４６－５９ 新日鉄エンジニアリング株式会社内 Fukuoka, 〒8048505, JP)
KATO Ryo (46-59, Oaza-nakabaru, Tobata-ku, Kitakyusyu-cit, Fukuoka 05, 〒8048505, JP)
新日鉄エンジニアリング株式会社 (〒04 東京都品川区大崎一丁目５番１号大崎センタービル Tokyo, 〒1418604, JP)
KURAYOSHI Kazumi (46-59, Oaza-nakabaru, Tobata-ku, Kitakyusyu-cit, Fukuoka 05, 〒8048505, JP)
倉吉 和美 (〒05 福岡県北九州市戸畑区大字中原４６－５９ 新日鉄エンジニアリング株式会社内 Fukuoka, 〒8048505, JP)
KATO Ryo (46-59, Oaza-nakabaru, Tobata-ku, Kitakyusyu-cit, Fukuoka 05, 〒8048505, JP)
International Classes:
F27D1/16; C21B9/10
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (3rd floor, Ogikubo TM building 26-13, Ogikubo 5-chome, Suginami-k, Tokyo 51, 〒1670051, JP)
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