The negative pressure fan is the ventilation and cooling equipment of many breeding plants, but what is the structure of the negative pressure fan? What are the characteristics and advantages? Why do so many breeding plants choose it?

　　 The structure of negative pressure fan!

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

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

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

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

　　 5. The electric fan can also have a horizontal pressure, or the pressure of two or more electric fans. 4-72 is a 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.

　　 8. According to the outlet pressure (pressure): fan (1 or below). 50,000 Pa), fan (1.5 ~ 350,000 Pa), compactor (350000 Pa) or higher.

　　Features of negative pressure fan!

　　 1. The device is in the window of the workshop. Generally, the vents are selected, and the odor gas is sucked out; the general chemical plants and others are used more. The capital contribution is very high, and the capital can be recovered within a year or so.

　　 2. Energy saving: Low power consumption, as long as 10%-15% of traditional air conditioners. In the hot summer, the temperature of the workshop is controlled with a water curtain, the temperature is within 28 degrees Celsius.

　　 3. Environmental protection: no chlorofluorocarbon, excellent cooling effect. Air circulation to replace emissions. Effective control of the indoor environment, different wind speeds indoors, forming a convection effect, your people feel comfortable and abnormal, which is more effective than air conditioning.

　　 4. Reducing infectious diseases and effectively avoiding the spread of influenza and other viruses suddenly on a large scale. Birds, mosquitoes, and flies are the preface of the epidemic, because the water-ventilated ventilation system is sealed by negative pressure, which will definitely reduce the probability of vector transmission, and will allow the operator to work in a comfortable and safe centered environment.

　　 Advantages of negative pressure fan!

　　 1. Low investment and low energy consumption. With the same cooling rate, about one-sixth of the air-conditioning is invested at a time, and 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 common to the body temperature. If the water in the well is better than the water in the tank, the effect of air conditioning can be compared.

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

　　 The structure, features and advantages of negative pressure fans are introduced here, and I hope to help everyone!