When considering an industrial heating system with hot air generators, one of the most important factors to obtain the desired results is a correct diffusion and distribution of hot air.
At MET MANN, as manufacturers of industrial heating, we have different ranges of hot air generators for industrial, commercial, agricultural and livestock applications. In any type of application, air diffusion is a key factor in reaching a uniform temperature or reaching the most important areas to be heated.
The different hot air diffusion options can be summarized as:
Direct hot air diffusion
This type of diffusion for industrial heating is normally incorporated by the industrial hot air generator itself and the treated air is diffused immediately after heating through a single or double direction grill.
It is suitable for industrial hot air heaters installed on the wall or attached to the wall, the hot air is distributed through the front of the equipment and its range is limited, as well as providing a sound level higher than other types of diffusion.
Hot air diffusion with 4-sided plenum box
Unlike direct diffusion, this system distributes the hot air on each of the sides of the equipment itself. It is suitable for industrial hot air heaters installed in the central part of a warehouse to heat its entire perimeter. The sound level is lower than the direct impulsion as well as its scope dart.
Diffusion with rotating nozzles
It is similar to the 4-outlet system but it has the advantage of directing the hot air with greater precision and range. If the industrial hot air heater is attached to a wall, the outlets for heating that side can be reoriented without any problem.
The sound level is similar to that of 4 faces but they provide a little less flow as they have a higher pressure drop.
Ducts with grilles
This type of hot air diffusion is suitable when you want to heat areas far from the industrial hot air generator itself or attached premises. Air diffusion is carried out with correctly selected grilles or air diffusers and at the speed indicated by current regulations.
Normally the diffusion should be at a maximum height of 3.5-4.0m to ensure that the hot air blown reaches the area to be heated without problems.
The duct and hot air diffusion elements must be calculated with the minimum pressure loss in order to fully optimize the flow and pressure benefits available from the hot air generator itself.
This type of diffusion is especially silent as long as the materials and calculation are correct.
Ducts with high induction cones
In industrial buildings with considerable heights of more than 6m and when it is not possible to make a duct at a height of 3.5-4m, diffusion with high induction cones will be chosen. These types of cones are designed to diffuse a volume of air at high speed (10-15 m/s) in order to obtain an adequate air dart so that the hot air is correctly dissipated on the surface to be heated.
At MET MANN, we manufacture fully rotating high induction cones, made of PA and with a nominal diameter of 300mm, ideal for directing the treated air in industrial buildings.
This type of diffusion is especially suitable for tall buildings and where it is not possible to make a duct at less than 3.5-4m. Diffusion is silent and effective as long as the diffusion calculation is correct.
For more information on how hot air diffusion should be in industrial buildings, you can contact us and our commercial technicians will help you make the best selection.