Industrial fan and negative pressure fan have a similar role, that is, cooling and dehumidification, so, people will be some hesitation in the choice, do not know which one to choose, in fact, industrial fan and negative pressure fan in the function similar or there are some differences, understand the difference between the two, we can choose according to their own needs, then, Industry what are the difference between big fan and suction fan? Jiaxing and below small make up answers, hope to be of help.

Industrial difference between fan and suction fan

1, installation is different

(1) Industrial fan installation. Big fan industry general installation at the top of the workshop and workshop working range is wide, so make the very big part of the area can be cool.

(2) Installation of negative pressure fan. Negative pressure fan general door installed outside the window of the shop, next tuyere installation, convenient outside convulsions.

2. Different principles

(1) Industrial fan principle. The cooling principle of the industrial fan is that the air flow from the top to the bottom into a cone to the ground, to the ground along the horizontal direction of the flow, meet the side barrier or the horizontal airflow near the fan to push up to the roof, can achieve effective full range of overall ventilation and effective cooling of personnel, the environmental requirements are not high not closed space can also effectively cool.

(2) Working principle of negative pressure fan. When the fan is energized to work quickly to achieve large exhaust air volume. Can make indoor environment quickly and produce a outdoor air pressure difference, form a powerful negative pressure, forcing indoor pollution hot air must be in the direction of the flow we set emitted quickly, in indoor air pressure drop.

3. Different effects

(1) industrial fan effect. In terms of personnel cooling. The natural breeze generated by the large energy-saving fan blows on the human body, promoting the evaporation of sweat to take away the heat, while cooling the human body, bringing the feeling of cooling. Usually, the cooling sensation can reach 5-8℃. In the aspect of natural ventilation, industrial fan can accelerate the indoor air flow, to achieve the effect of natural ventilation; In terms of desiccant moisture, dehumidifying effect of industrial fan, direct and effective, it promotes the whole space air mixture.

(2) Negative pressure fan effect. The air temperature in places requiring ventilation is higher than that outdoors because the sun shines on buildings, machines, equipment, and human bodies. The negative pressure fan can discharge the indoor hot air quickly, so that the room temperature and the outside temperature is flat, so as not to increase the temperature in the workshop. Negative pressure fan only ventilation cooling function, no refrigeration function, cool is the feeling of the human body.

4. Different places of use

(1) Industrial fan use place. Shopping malls, stadiums, stations, airports and other large public buildings, promote air circulation, dispel odors, create a comfortable shopping and viewing environment, increase sales. And big fan of mobile industrial fan can be used in a more open place, use rise more convenient also.

(2) Use place of negative pressure fan. Such as garment factory, electronics factory, entertainment venues, pig farm, garden flowers and so on need to be closed cooling and humidity.