Inflatable membrane structure is a new type of building made of membrane materials, which originated in the early 20th century and has been used in industry, agriculture, commerce, environmental protection and many other fields. It is a building made of membrane materials, which uses the internal pressure formed by air supply to make the membrane produce tension, while maintaining the spatial stability and structural integrity of the structure. The basic components include membrane structure system, air supply device, air circulation control access and emergency exit and appropriate anchoring system. This paper mainly introduces the air supply device of inflatable membrane structure in detail.

1. The air supply device of inflatable membrane structure is to use the air supply to generate internal pressure in the building, provide rigidity to the building, make it stable, and have sufficient capacity to make the structure resist the load and external force.

2. The air supply device is fine and durable, can withstand continuous operation for a long time, and can provide stable air supply under normal conditions.

3. Design, manufacture and protect the air supply device so that it will not have functional failure under various conditions.

4. When the forced draft fan is under the design load, in order to maintain the design internal pressure under normal conditions, it has sufficient air supply volume and air supply pressure, and has the air supply capacity that exceeds the internal necessary air change.

5. The air supply device consists of main air supply fan and standby air supply fan. The standby forced draft fan has the ability to replace the main forced draft fan.

6. The air supply device has a reserve power system, which has sufficient capacity to switch directly and operate continuously when the normally used power source stops moving.