① up-supply air and down-return air technology
According to the traditional air supply mode, all adopt the up-supply air and down-return air mode. The use of fabric air duct light weight, can reduce the roof bearing requirements, return air using traditional air duct, due to the complex structure of the bottom of the shelf, is not conducive to the layout of the air duct, space utilization is small, generally only 60~70%.
(2) Side supply air, side return air technology
Side feed and side return air supply can effectively use the space and support points such as side walls and structural columns to reduce the load bearing requirements on the roof, but due to the low air pressure of the supply air, it is not easy to convection and diffusion of air, especially when the width of the warehouse is greater than 10m.
③ Side air supply, lower air supply, upper air return technology
The use of air duct for air supply, side air supply, traditional air duct return air design, can make use of the flexible characteristics of the air duct, effectively use the bottom space of the shelf.
④ Upper supply air, side return air technology
The three-dimensional warehouse uses the air pipe for air supply, and makes full use of its advantages of light weight and flexibility to reduce the load-bearing design of steel structure roof. The traditional air ducts on the side use walls, structural columns and other Spaces and support points. It can ensure the temperature of the upper space and the lower space, which is conducive to the uniform temperature distribution of the three-dimensional warehouse and reduce energy consumption. Therefore, the combination of upper side air return mode has the advantages of practicality, reliability and high efficiency.
Compared with the traditional air supply mode, the automatic three-dimensional warehouse uses the fabric air pipe supply mode and the fabric air pipe supply mode. Compared with the traditional air supply mode, the fabric air pipe has better economic benefits in the initial investment, installation space, installation load, temperature field, velocity field, energy saving, and later cleaning and maintenance front, which is worth promoting.