To enable a facility expenditure to be made less-expensive and further to enable a stepwise expansion of facility to be attained by a method wherein a furnace shell is moved toward a temperature increasing means arranged in such a way that it may not be moved in advance, and the furnace shell is removably installed or the temperature increasing means is moved toward the furnace shell which is installed in such a way that it may not be moved in advance.
A firing boggie 10 for a furnace 1 runs in a predetermined direction with a firing product being mounted on it while wheels 12 at a lower surface of a main body 11 of the boggie are being rolled on rails 20. In addition, a firing box 30 is removably installed on the upper surface of the firing boggie 10 and then the fired products are moved together with the firing boggie 10 while they are being shut off against the surrounding atmosphere. Then, after the combustion burners run up to a location where they can be installed in their conditions, they may be removably installed at an outside part of a side wall of the sintering box 30, combustion gas is blown into the furnace 1 so as to fire the body to be fired.
TAGUCHI YUKIJI
OKUMURA SHUICHI
HOSOE KOJI
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