Mixed liquid viscosity reduction and paraffin removal pipe column

The utility model provides a mixed liquid viscosity reduction and paraffin removal pipe column, which comprises an oil suction pump, an oil pipe and an outer pipe, wherein the oil pipe is connected with the oil suction pump, the outer pipe is arranged at the upper end of the oil pipe, an inner pipe is sheathed in the outer pipe, an annular hollow part is formed between the inner pipe and the outer pipe, a position limiting nipple is arranged between the bottom end part of the inner pipe and the outer pipe, a through hole is formed in the position limiting nipple, the annular hollow part is communicated with the inner pipe through the through hole, the inner pipe is connected with a production control valve, and the annular hollow part is connected with a well washing control valve. The mixed liquid viscosity reduction and paraffin removal pipe column has the advantages that the totally-closed paraffin removal and viscosity reduction well washing of an oil well can be realized, hot fluid is prevented from ente