Loop structure of salt wedge motion demonstration equipment

The utility model relates to a field of salt wedge motion discloses loop structure of salt wedge motion demonstration equipment, including the fresh water district that stores fresh water, store the salt pool of salt solution and keep in the salt solution transition district of the salt solution that the salt pool flowed into, but the movable flashboard that is equipped with height -adjusting is inserted in the activity in the salt solution transition district, the activity flashboard is distinguished the salt solution transition and is split into salt solution transition storage area and overflow district, the overflow district is connected with first passageway, first path connection has strains the salt device with the fresh water of salt aquatic and salt separation, strain through fresh water passageway intercommunication between salt device and the fresh water district, it feeds through through straining the salt passageway with the salt pool to strain the salt device. Through the height of adjusting mov