▎ 摘　　要

NOVELTY - The utility model relates to the technical field of oil field operation anti-freezing device, claims an oil field work heat preservation anti-freezing device based on graphene and warm air heat preservation device, comprising a pipeline channel, the pipeline channel is set at the middle part of the heating box and passes through the left and right side wall of the heating box, the front and back side walls of the heating box are provided with a heating plate, the middle part of the top wall of the heating box passes through and is fixedly connected with an air conveying pipe, the upper part of the outer circumference of the air conveying pipe is penetrated and fixedly connected with the bottom wall of the air box, the middle part of the top wall of the air box is provided with a fan. In the utility model, starting the heating plate and the fan, the heating plate to generate heat, fan blowing air to form air flow into the heating box through the air conveying pipe, driving the heat in the heating box to enter the heating channel through the air outlet, heating the pipeline main body, avoiding the need to use cable and electric heating belt to heat the pipeline in winter, It greatly improves the safety of the oil field working heat preservation anti-freezing device.