Detection device for mercury-containing heavy metal soil

The utility model discloses a detection device for mercury-containing heavy metal soil. Detection gun, a heat dissipation mechanism is connected to the surface of the detection gun in an embedded manner; a base is mounted on one side of the heat dissipation mechanism; a tenon strip is mounted on the surface of the top of the base; iron sheets are connected to the surfaces of the tenon strips in anembedded manner; a reinforcing plate is arranged on the surface of the base; a concave tenon strip is arranged on the surface of the bottom of the reinforcing plate; grooves are formed in the surfaces of the tops of the concave tenon strips; a strong magnet is mounted in an inner cavity of the groove; a rubber pad is mounted on the surface of the top of the reinforcing plate; a wear-resistant film is adhered to the surface of the top of the rubber pad; heat in the detection gun can be pumped out through the heat dissipation mechanism, so that the heat dissipation effect can be achieved, the reinforcing plate can be m