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The developement of multi-layer sterilizer using Ultra Violet irradiation

  • 김영철 (대불대학교 전기전자공학부) ;
  • 유광호 (대불대학교 전기전자공학부) ;
  • 정영국 (대불대학교 전기전자공학부) ;
  • 김하석 (대불대학교 전기전자공학부) ;
  • 정태성 (대불대학교 전기전자공학부) ;
  • 윤복선 ((주) 건양)
  • 발행 : 1999.07.19

초록

We made a multi-layer conveyor sterilizing system using UV rays to prolong a storage period of dried marine products. The system is composed of 5 layer conveyor belt of 3 m long each, thus 15 m long in total. It is designed to radiate UV rays for 10 minutes the dried marine products, and can process 300 kg/hour. Eight UV lamps of 30 cm long and 15 W of power with 254 nm wave length are installed in parallel, 15 cm high above in each belt, and 40 lamps in total. The whole system is covered by 1 mm thick metal plates to block the UV rays except a front side which is covered with 5 mm thick plastic plates coated with UV protection film to survey inside of the system. A sterile ratio is about 99.97% with 10 minutes sterilization using this system.

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