Efficient boiling enhanced heat exchange tube and manufacturing method thereof

The invention discloses an efficient boiling enhanced heat exchange tube and a manufacturing method thereof, and belongs to the technical field of heat exchangers. The efficient boiling enhanced heatexchange tube is structurally composed of an external base tube and a tube inner wall sintered layer, wherein the tube inner wall sintered layer is a heterogeneous super-hydrophilic copper powder particle layer, and is distributed along the cross section of the base tube in a space mode that particles on the upper wall surface are thin and dense, particles on the lower wall surface are thick and sparse, and the side wall surface is uniformly changed, so that the anti-gravity migration of liquid at the bottom of the tube can be effectively realized, and the flow pattern in the tube is improved.The tube inner wall sintered layer can provide a large number of stable vaporization cores, meanwhile, tiny holes in the tube can provide large capillary force to promote liquid supplement, the dynamic behavior of steam bubbl