Graphene electric heat tracing structure for heat tracing of conveying pipeline

Abstract

The invention belongs to the technical field of conveying pipelines, and particularly relates to a graphene electric heat tracing structure for heat tracing of a conveying pipeline. The graphene electric heat tracing structure comprises a graphene heating film, a heat insulating layer, a heat reflecting layer and a protective sleeve which are sequentially coated outside the conveying pipeline; the graphene heating film is tightly attached to the conveying pipeline and covers the peripheral wall of the conveying pipeline, and the graphene heating film can be electrified to heat so as to uniformly heat the conveying pipeline; and the protective sleeve sleeves the heat reflecting layer and reduces impact of the external environment on the heat insulating layer and the heat reflecting layer. The problems that in the conveying process of materials with complex components, volatile components in the materials are volatilized, and easily-coagulated components are coagulated due to the fact that an existing pipeline heat tracing structure is insufficient in heat tracing uniformity are solved. By utilizing the characteristics of good thermal conductivity and uniform heating of the graphene material, the graphene material is applied to the heat tracing structure of the conveying pipeline of the material with the complex components, and the situation that conveying of the material with the complex components is affected by low heat tracing efficiency, non-uniform heat transfer, large thermal inertia and the like is avoided.

Description

technical field [0001] The invention belongs to the technical field of conveying pipelines, and in particular relates to a graphene electric heat tracing structure used for heat tracing of conveying pipelines. Background technique [0002] With the development and promotion of pipeline transportation technology, in petrochemical enterprises, pipeline transportation is mostly used as its common transportation method. The advantages of pipeline transportation such as low cost, high safety and stable supply make this meteorite method widely used in petrochemical material transportation. It is widely promoted in China. The crude oil extracted from the oil field and the refined oil produced from the refinery are often transported to each workshop through the corresponding transmission pipelines. The transmission pipelines, oilfield equipment and measuring instruments for various materials are connected to each other. connected to form a pipeline network. The transmission pipelin...

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Problems solved by technology

[0006] In order to solve the problem of lack of uniformity of heat tracing in the existing pipeline heat tracing structure, when the materials with complex components are transported, the volatile components in the materials will volatilize and the condensable components will condense again; Graphene electric heat tracing structure for heat tracing in pipelines, using the characteristics of good thermal conductivity and uniform heating of graphene materials, it is applied to the heat tracing of pipelines in petrochemical enterprises to avoid low heat tracing efficiency and uneven heat transfer , The traditional heat tracing method with large thermal inertia affects the material transportation of complex components

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