High-temperature corrosive medium drainage device based on angle welding

The invention relates to the technical field of fluid medium conveying, in particular to a high-temperature corrosive medium drainage device based on angle welding. The device comprises a conveying pipeline, a connecting pipe piece and a connecting pipe sleeve made of the same materials as a container; the conveying pipeline comprises a main conveying pipe and an inner drainage pipe, the main conveying pipe, the connecting pipe piece and the connecting pipe sleeve are sequentially welded and connected in the flowing direction of a fluid medium and arranged coaxially; the feeding end of the inner drainage pipe and the connecting pipe piece are welded and connected; the connecting pipe piece is provided with a drainage channel, and the main conveying pipe, the drainage channel and the innerdrainage pipe are sequentially communicated according to the flowing direction of the fluid medium. The structure of the junction of the conveying pipeline and the outer side wall of the container isenhanced, and disturbance