Device and method for desalination and salt control of lake or reservoir embankment

A soil desalination and salt control apparatus for a bank of a lake reservoir, comprising a soil washing system (20) and an auxiliary heating evaporation system (30);

• wherein the soil washing system (20) comprises a desalination fabric (21) laid on a surface of soil in a to-be-desalinated area (10), a washing pipeline (22) set on the desalination fabric (21), and a washing water source connected to the washing pipeline (22), wherein a plurality of washing holes is arranged on a lower end side of the washing pipeline (22), facing towards the desalination fabric (21);
• wherein the auxiliary heating evaporation system (30) comprises an auxiliary heating circulation pipeline (31) buried inside the soil of the to-be-desalinated area (10), as well as a heat source assembly (32) and an auxiliary heating control system (33) both connected to the auxiliary heating circulation pipeline (31), wherein a burial depth of the auxiliary heating circulation pipeline (31) is a desalination control depth of soil of the bank of the lake reservoir.