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Pipeline insulation refers to the insulation covering of the pipeline surface to reduce the heat transfer loss of the pipeline and control the pipeline temperature, improve energy utilization efficiency, extend the service life of the pipeline, and also ensure the safety of personnel. In addition, pipeline insulation can also reduce condensation on the pipeline surface and prevent the pipeline from freezing.

Pipeline insulation is a very important link in industries such as urban heating, oil transportation, gas transportation, and chemical industry. If the pipeline is not insulated, a large amount of heat will be lost, which will not only affect the energy utilization efficiency, but also affect the environment, causing energy waste and pollution.

The following is a detailed introduction from the purpose of pipeline insulation, the selection of insulation materials, and the construction of pipeline insulation.

1. The purpose of pipeline insulation

The main purpose of pipeline insulation is to reduce the heat transfer loss on the pipeline surface, control the pipeline temperature, improve energy utilization efficiency, extend the service life of the pipeline, and also ensure the safety of personnel. In addition, pipeline insulation can also reduce condensation on the pipeline surface and prevent the pipeline from freezing.

2. Selection of insulation materials

The insulation material should have the characteristics of low thermal conductivity, small thermal conductivity coefficient, and non-flammable. Common pipe insulation materials include glass wool, aluminum silicate fiber, polyurethane foam, polystyrene foam and perlite.

Glass wool is a lightweight and soft pipe insulation material with good thermal insulation performance. It is suitable for the insulation of medium transport pipelines with a temperature of -200°C to +450°C. It is a commonly used insulation material.

Aluminum silicate fiber is a pipe insulation material made of alumina and silica as the main raw materials.