Hopper for raw material powder and method for transferring raw material powder by using same

A hopper for a raw material powder, the hopper comprising:

• a hopper body having an inner space in which a raw material powder is stored and including an outlet which is formed through a lower end thereof and through which the raw material powder is discharged;
• a transfer pipe to which the raw material powder discharged through the outlet is transferred and which has a region, through which the raw material powder is transferred, divided into a plurality of regions;
• and
• a slide gate unit disposed between the outlet and the transfer pipe to open or close the transfer pipe while adjusting a degree of opening of the transfer pipe,
• wherein the transfer pipe is provided with at least one division plate, which is provided therein and provides a plurality of transfer paths by dividing a region through which the raw material powder is transferred, and
• wherein the slide gate unit includes a plurality of gates configured to open or close the divided transfer paths of the transfer pipe, respectively, and a plurality of moving shafts configured to operate the gates, respectively.