The present invention relates to a large capacity batch coffee extracting and refrigerating and sterilizing system comprising a plurality of casters provided on a lower surface, a door provided with an opening and closing handle and pivotally opened and closed at one end, a first cradle installed inside the chamber, A second cradle installed to be spaced apart from a lower portion of the cradle； a casing having a plurality of ventilation holes formed in a rear surface of the chamber； A cooler installed on a rear surface of the casing to supply and circulate air cooled through the vent hole into the chamber； A water purifier communicating with an outside water line and having a water purification valve installed at a lower end thereof； A plurality of Dutch coffee extractors spaced apart from the first cradle and each having a control valve at a lower end thereof； A plurality of coffee filling containers spaced apart from the second cradle and arranged at vertically spaced positions of the control valve of the Dutch coffee extractor； A plurality of ultraviolet sterilizing lamps installed in front of the chamber； And a controller for controlling the cooler, the water purifier, the control valve, and the ultraviolet sterilizing lamp. The plurality of Dutch coffee extractors are installed in the chamber in which the cooler is installed, It is possible to extract a large amount of good Dutch coffee and to prevent the propagation of microorganisms by the ultraviolet sterilizing device, thereby providing a long-term storage of Dutch coffee having good flavor.본 발명은 대용량 더치커피 추출 냉장살균 시스템에 관한 것으로,하부면에 설치된 복수 개의 캐스터와, 개폐 손잡이가 부설되어 있으며 일단을 기준으로 회동 개폐되는 도어와, 챔버 내부에 설치된 제 1 거치대와, 상기 제 1 거치대의 하부에 이격되어 설치된 제 2 거치대와, 상기 챔버의 배면에 형성된 복수 개의 통기공을 갖는 케이싱과； 상기 통기공을 통해 냉각된 공기를 상기 챔버 내부로 공급하고 순환시키기 위하여 상기 케이싱의 배면에 설치된 쿨러와； 외부의 수도라인과 연통되며, 하단부에 정수밸브가 설치된 정수기와； 상기 1 거치대에 이격 거치되며, 하단부에 조절 밸브가 각기 설치된 복수 개의 더치커피 추출기와； 상기 제 2 거치대에 이격 거치되어 있으며, 상기 더치커피 추출기의 조절 밸브의 수직 이격된 위치에 각기 배열되는 복수 개의 커피 충전용기와；
