PROBLEM TO BE SOLVED: To inexpensively realize a washing system capable of washing a large quantity of washing objects in a short time.SOLUTION: A single tank washing device 20 having one tank 21 also serving as a washing tank and a dry tank, a front door 39, a rear face door 43, a washing-rinsing mechanism 22, a dry mechanism 52 and a control part 62 for controlling the washing-rinsing mechanism 22 and the dry mechanism 32 so as to execute at least a preliminary washing process, a washing process, a rinsing process and a dry process, is provided by arranging a plurality of units in the longitudinal direction by mutually opening a predetermined interval, and a carrying device 32 is provided between respective single tank washing devices 20, and whether or not to execute any process among the respective processes is distributively set in the respective control parts 62 provided by the respective single tank washing devices 20, and the respective control parts 62 are communicably provided between the other control part and itself, and the respective single tank washing devices 20 execute a distributed process, and when finishing execution of the process, a washing object of finishing the execution of the process, is carried to the single tank washing device 20 positioned on the rear side.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】 大量の被洗浄物を短時間で洗浄することができる洗浄システムを低コストで実現する。【解決手段】 洗浄槽及び乾燥槽を兼ねた1つの槽21と、前面扉39と、後面扉43と、洗浄・すすぎ機構22と、乾燥機構52と、少なくとも予備洗浄工程、洗浄工程、すすぎ工程、及び乾燥工程を実行するように洗浄・すすぎ機構22並びに乾燥機構32を制御する制御部62と、を具備する単槽洗浄装置20を、複数台互いに所定の間隔を開けて前後方向に配置して設けられ、各単槽洗浄装置20の間には搬送装置32が設けられ、各単槽洗浄装置20が具備する各制御部62には、各工程のうちのいずれの工程を実行するかが振り分けられて設定され、各制御部62は、他の制御部との間で通信可能に設けられ、各単槽洗浄装置20は、振り分けられた工程を実行し、該工程の実行が終了した場合には、該工程の実行が終了した被洗浄物を後側に位置する単槽洗浄装置20に搬送する。【選択図】 図1