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 terms of natural ventilation, industrial fans 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. Due to the sunlight building, machinery and equipment, such as the human body heat source leads to the temperature is higher than outdoor ventilated places. Negative pressure fan will indoor heat flowing rapidly, let the room temperature and ambient temperature was flat, not the workshop temperature. 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 mall, stadium, railway stations, airports and other large public buildings, promote the air circulation, dispel peculiar smell, to create a comfortable shopping and ornamental environment, increase sales. And the industrial fan in the mobile fan can be used in more open places, the use is also more convenient.

(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.