Jet flow type high-pressure fluid heat exchanger

The utility model discloses a jet flow type high-pressure fluid heat exchanger. The jet flow type high-pressure fluid heat exchanger comprises a high-pressure jet flow nozzle, low-pressure conveying channels and a fluid mixing region, wherein the inlet of the fluid mixing region is in an inner tapered shape and the outlet of the fluid mixing region is in a trumpet shape; the outlet of the jet flow nozzle points to the inlet of the fluid mixing region; a plurality of low-pressure conveying channels are arranged and are uniformly distributed on the outer wall between the high-pressure jet flow nozzle and the fluid mixing region; the included angle between each low-pressure conveying channel and the high-pressure jet flow nozzle is an acute angle; an arc-shaped turbulent flow region is arranged on the outer wall of the position on which each low-pressure conveying channel and the fluid mixing region are crossed. According to the jet flow type high-pressure fluid heat exchanger disclosed by the utility model, the