PURPOSE: To shorten working term and to reduce danger of gas poisoning at the time of checking and repairing by dividing a distributor into two steps and distributing powdery material discharged from a feed tank into plural tuyere burners.
CONSTITUTION: On the way of dividing injecting piping 5 at each tuyere 1 in a blast furnace, while the powdery material carries from the feed tank 2 for pressurize-feeding the powdery material with one piece of a transport line 3, a first step of the distributor 6 is set. The powdery material is divided into plural pieces of injecting pipings 4 through the first step of distributor 6. Further, this is finally divided into the injecting pipings 5 arranged as the same number as number of the tuyeres through a second step of distributor 7 at end part of the injecting piping 4. By this method, working quantity is lessened, and the working term can be shortened.
MATSUI AKIRA
KASAI KATSUTERU
IKEZAKI YUZURU
NITTETSU PLANT DESIGNING CORP
| JPS6097121A | 1985-05-30 |