Fire smoke exhaust pipe is a very important part of the building fire system, it plays a vital role in the fire. Fire protection and heat insulation is one of the key links to ensure the normal operation of fire exhaust pipe. So, what is the role of fire protection and insulation of fire exhaust pipes?

1. Prevent thermal deformation and ensure smooth smoke exhaust

When the fire broke out, the temperature of the fire site rose rapidly, which produced great thermal stress on the smoke exhaust pipe. If the smoke exhaust pipe lacks good fire insulation performance, it is easy to occur thermal deformation at high temperatures, or even melt and collapse, resulting in poor smoke exhaust or complete failure. This will not only increase the fire, but also seriously affect the evacuation and rescue of personnel. Therefore, the fire exhaust pipe must have excellent fire insulation performance to withstand the test of high temperature environment to ensure that the smoke is unimpeded.

2, reduce the pipe surface temperature, to ensure the safety of personnel

Smoke exhaust pipes are usually located inside buildings and are closely connected to people's living Spaces. If the pipeline lacks fire insulation measures, its surface temperature will rise rapidly, which is not only easy to cause secondary fires, but also may burn personnel. Therefore, the fire insulation treatment of the smoke exhaust pipe can effectively reduce the surface temperature of the pipe, reduce the damage of the fire to personnel, and ensure the life safety of personnel.

3, reduce heat loss, improve smoke efficiency

The main function of the smoke exhaust pipe is to exhaust the smoke and toxic gases in the fire site to the outside, creating favorable conditions for fire fighting and rescue. However, if the fire insulation performance of the pipeline is not good, it will lead to a large amount of heat loss and reduce the smoke exhaust efficiency. This will not only prolong the smoke exhaust time, but may also expand the fire. Therefore, improving the fire insulation performance of smoke exhaust pipes can reduce heat loss, improve smoke exhaust efficiency, and gain valuable time for fire rescue.

4, extend the service life of the pipeline, reduce maintenance costs

In the process of long-term use, smoke exhaust pipes will be affected by various environmental factors, such as high temperature, humidity, corrosion and so on. If the pipeline fire insulation performance is insufficient, it will accelerate its aging and damage, shorten the service life. Excellent fire insulation materials can effectively resist the impact of these environmental factors, extend the service life of the pipeline, and reduce maintenance costs.

Fire insulation can effectively protect the smoke exhaust duct from high temperature, flame and other factors, extend its service life, but also reduce the possibility of fire spread. The fire insulation materials used in the fire exhaust pipe must reach class A non-combustible, such as high temperature rock wool, aluminum silicate fire proof board, aluminum foil glass wool, aerogel, etc.

The function of fire protection and heat insulation of fire exhaust pipe is very important. It can protect the pipeline from the direct damage of high temperature and flame, slow down the spread of the fire, and maintain the function of the smoke exhaust system. Through reasonable fire insulation design and construction, we can improve the reliability and effect of fire smoke exhaust system, ensure the life safety of personnel, and reduce the damage degree of fire to the building. Therefore, in the construction and maintenance of fire smoke exhaust system, we must pay attention to fire insulation work to ensure its effective implementation and implementation.