Negative pressure fans are the ventilation and cooling equipment that many breeding plants choose, but what is the structure of negative pressure fans? What are the characteristics and advantages? Do you understand? Let ’s take a look today!

Structure of negative pressure fan

1. The material classification of negative pressure fan can be divided into iron box (ordinary fan), glass fiber reinforced plastic fan, plastic, aluminum, stainless steel fan, etc.

2. The main structure of negative pressure fan. Fans can be classified according to the direction of air flow, and are divided into main flow, diagonal flow, mixed flow, centrifugal and axial negative pressure cross flow type.

3. According to the flow direction after the airflow enters the impeller, it can be divided into axial fan, centrifugal fan, diagonal flow and mixed flow fan.

4. The fan can be divided into pressure according to the local use of the fan (hereinafter referred to as the pressure of the fan) and the external and internal explosion-proof motors at the port channels, and the local fans are extracted in the sealed structure of the main structure of the explosion-proof motor explosion-proof negative pressure fan (hereinafter referred to as the extraction fan ).

5. The fan can also be a horizontal pressure, or the pressure of two or more fans. 4-72 is single-stage compression, such as high-speed wind turbine is multi-stage fan pressure.

6. The fan can be divided into axial fan, mixed flow fan, roof fan, air conditioner fan, etc.

7. Fans and fans can be divided into low-pressure medium-pressure fans and high-pressure fans according to pressure.

Features of negative pressure fan

1. Installed in the workshop window, generally choose vents, external pumping, odor gas removal; general chemical plants and other applications are more. The return on investment is high, and the investment cost can be recovered within a year or so.

2. Energy saving: Low power consumption, only 10%-15% of traditional air conditioners. In the hot summer, use the water curtain to control the temperature of the workshop, the temperature is within 28 degrees Celsius.

3. Environmental protection: no chlorofluorocarbons. Good cooling effect. Turbidity, hot inside, and smell of air circulation to replace emissions. Effective control of the indoor environment, different indoor wind speeds, causing convection effects, your people feel comfortable and abnormal, which is more effective than air conditioning.

4. Reduce infectious diseases and effectively prevent the sudden large-scale spread of influenza and other viruses. Birds, mosquitoes, and flies are the vectors of infectious diseases. Since the water-ventilated ventilation system is sealed by negative pressure, the probability of vector transmission will be reduced, which will enable staff to work in a comfortable, safe and secure environment.

Powerful advantage of negative pressure fan

1. Low investment and low energy consumption. The same cooling rate, one-time investment of about one-sixth of the air conditioner, the operating cost is about one-tenth of the air-conditioning;

2. The cooling effect is remarkable, and the temperature can be reduced to about 28 degrees, which is consistent with the human body temperature. If the water in the well is better than the water in the tank, you can compare the effect of the air conditioner.

3. The air is clean and humid, and the air cleanliness is 99%.

The structure, characteristics and advantages of the negative pressure fan are introduced here, and I hope to help everyone!