Vortex shedding flowmeter with rectifier

The utility model relates to the technical field of vortex shedding flow meters, in particular to a vortex shedding flow meter with a rectifier, which comprises a pipe body, a porous rectifier connected in the pipe body, a meter rod connected on the pipe body and an instrument connected at the top end of the meter rod. A conical cover fixedly sleeves the edge of the upper part of the outer wall of the meter rod, the cooling fins are spiral, the edges of the cooling fins are fixedly connected with a sleeve, the sleeve fixedly sleeves the outer wall of the meter rod, the outer wall of the sleeve is fixedly connected with a plurality of cooling fins, and the outer wall of the sleeve is provided with an air supply assembly; the vortex shedding flowmeter has the advantages that when a high-temperature medium is conveyed in the vortex shedding flowmeter, heat of the vortex shedding flowmeter can be quickly dissipated, the heat dissipation effect is good, heat dissipation of the vortex shedding flowmeter is timely a