Sterilization apparatus and sterilization method using same

A sterilization apparatus comprising:

• a sterilization chamber;
• a vacuum pump connected to one side of the sterilization chamber;
• a vaporizer connected to another side of the sterilization chamber;
• a collector having one side connected to the vaporizer and the other side connected to the sterilization chamber;
• a collection valve and a fumigation valve disposed between the sterilization chamber and the collector,
• wherein the collection valve and the fumigation valve are connected in parallel between the sterilization chamber and the collector;
• a vaporization valve disposed between the sterilization chamber and the vaporizer,
• wherein the vaporization valve has one side connected to the sterilization chamber, and
• wherein the other side of the vaporization valve is connected to the vaporizer and the vaporizer is connected to the collector;
• a first connecting pipe connecting the vaporizer and the vaporization valve;
• a second connecting pipe connecting the vaporization valve and the sterilization chamber;
• a third connecting pipe connecting the collector and the collection valve;
• a fourth connecting pipe connecting the collection valve and the sterilization chamber;
• a fifth connecting pipe connecting the collector and the fumigation valve;
• a sixth connecting pipe connecting the fumigation valve and the sterilization chamber;
• and
• a seventh connecting pipe connecting the vaporizer and the collector.