Provided is a device for generating chlorine dioxide which has been miniaturized so that a chlorine dioxide source can be carried and which has no fear of liquid leakage and can be continuously used. A cartridge (28) having a chemical-holding space (29) in which a granular chlorite is held, a fan (24), and ultraviolet LED lamps (32) have been disposed within a device main body (12) which can be separated into two or more detachable portions. The cartridge (28) has light-transmitting properties and has a structure which enables air to pass through the chemical-holding space (29) and the inside of the device main body (12). When the fan (24) works, air is discharged from the inside of the device main body (12) and, simultaneously therewith, air comes in from the outside of the device main body (12). By the action of ultraviolet rays, chlorine dioxide gas is generated from the chlorite present in the cartridge (28). By the operation of the fan (24), the gas is discharged from the inside of the device main body (12) through air discharge ports (22).本發明提供一種二氧化氯產生裝置，其將裝置小型化以便可搬運二氧化氯之產生源，且可持續地使用而不用擔心液體洩漏。該二氧化氯產生裝置係在能夠裝卸自如地分割成2個以上之裝置本體(12)內部設置有：於藥劑收納空間(29)收納有粒狀之亞氯酸鹽的匣筒(28)、風扇(24)及紫外線LED燈(32)，該匣筒(28)係具備光穿透性，並且具備能夠流通空氣於藥劑收納空間(29)與裝置本體(12)內部的結構，可藉由風扇(24)之驅動從裝置本體(12)之內部排出空氣至外部，並且空氣可從裝置本體(12)之外部進入內部，且藉由紫外線從匣筒(28)內之亞氯酸鹽產生二氧化氯氣體，然後藉由風扇(24)之驅動透過空氣排出口(22)從裝置本體(12)之內部釋放出至外部。
