What is ventilation equipment?

Ventilation, also known as air exchange, is the use of mechanical or natural methods to deliver sufficient fresh air to indoor spaces, while also expelling polluted air that does not meet hygiene requirements, so that the indoor air meets hygiene requirements and production process needs. The various facilities that complete ventilation work in buildings are collectively referred to as ventilation equipment. The current ventilation equipment includes galvanized iron sheet air ducts, fire and smoke exhaust valves, fan casings, etc.

1、 Air ducts are mainly used to connect the air circulation between two places, playing a role in ventilation and breathability. The most widely used one on the market currently is galvanized air duct. The air duct market is generally divided into three categories based on material: galvanized air duct, stainless steel air duct, and composite air duct. Among them, stainless steel air ducts have the best quality and strong applicability, but their prices are high. Galvanized air ducts basically have the characteristics of stainless steel air ducts, but in terms of price, they only need two-thirds or even lower than stainless steel air ducts.

Due to the susceptibility of iron sheets to chemical reactions in various environments, corrosion and rusting can occur. And zinc hardly changes in dry air. In humid air, a dense alkaline zinc carbonate film is formed on the surface of zinc. Galvanized air ducts are mainly coated with a layer of zinc on the iron sheet of the duct to provide protection. After passivation treatment, dyeing, or coating with protective agents, the protective and decorative properties of zinc coatings can be significantly improved.

For galvanized air ducts, they can be well applied in many occasions such as purification system return air ducts, central air conditioning ventilation ducts, industrial supply and exhaust ventilation ducts, environmental protection system suction and exhaust ducts, mining gas drainage pipes, mining coated cloth air ducts, etc. due to their good fire resistance performance. It should be noted that the zinc coating of galvanized air ducts, after passivation treatment, dyeing, or coating with protective agents, can significantly improve their protective and decorative properties, and the fire resistance of galvanized air ducts is mainly reflected in their non flammability

Galvanized air ducts have the following characteristics:

1. Smooth appearance, without zinc nodules or burrs, appearing silver white;

2. Easy installation with few connection points;

3. Low ventilation resistance and low ventilation noise;

4. Good strength and rigidity;

5. No hydrogen embrittlement, no temperature hazard, can ensure that the mechanical properties of the material remain unchanged;

6. Can replace some processes that require hot-dip galvanizing;

7. Good corrosion resistance, neutral salt spray test for 240 hours;

8. Completed by hot-dip galvanizing method, suitable for various strong corrosive environments such as strong acid, alkali mist, etc;

9. We can design and customize various specifications of air ducts according to customer requirements.

2、 Among the numerous ventilation and smoke exhaust devices, we must acknowledge that the fan case is indeed a very practical and advantageous ventilation and smoke exhaust device. It has many special features, and the fan case has many advantages.

High efficiency, light weight, convenient transportation, low vibration, low noise, reasonable structure suitable for many users in the environment, and installation is also very convenient and convenient for engineering design. In many fields, we can see the presence of wind turbine equipment, such as cinemas, auditoriums, hotels, and comprehensive buildings where we often go. The emergence of our wind turbine equipment is indispensable, which fully demonstrates the popularity of wind turbine equipment among users.

1. The selection of control parameters for the fan box includes air volume, total pressure, efficiency, noise, and motor power