Fan nozzle, a common industrial nozzle, is widely used in various spraying, cooling, cleaning and other processes. It is characterized by its ability to produce fan-shaped spray, covering a wide and uniform area. In this article, we will analyze its structure and working principle to help readers better understand this important industrial component.

Basic Structure of Fan Nozzle
It usually consists of the following main parts:
Nozzle
The main part, usually made of metal or plastic. It has an inlet and one or more outlets for connecting the liquid supply line and forming the fan spray.
Nozzle Core
Located inside the nozzle, it is the key part that controls the flow of liquid and the shape of the spray. It consists of a small hole and surrounding vanes. Liquid flows in from the inlet and passes through the hole and vanes to form a fan spray.
Blade
An important part, its shape and quantity determines the shape and coverage of the spray. The blades are usually made of stainless steel or ceramic with excellent corrosion and wear resistance.
Adjustment Mechanism
Used to adjust the spray angle and spray volume of the nozzle to meet different process requirements. It usually consists of threads, knobs or pull rods for easy adjustment by the user.
Working Principle of Fan Nozzle
The working principle of fan nozzle can be simply described as the following steps:
- Liquid flows into the nozzle from the inlet, through the small holes of the nozzle core and the role of the blade, forming a high-speed flow of liquid jet.
- The liquid jet hits the edge of the blade, and due to the special shape of the blade, the liquid is dispersed into a number of small droplets and spreads outward in a fan shape.
- The adjustment mechanism can adjust the spray angle and spray volume of the nozzle to control the coverage and spray speed of the liquid.
- The fan-shaped spray can be formed to evenly cover the target area to achieve cooling, cleaning or other process purposes.
Application Areas of Fan Nozzle
Due to their unique spray shape and wide coverage, fan nozzles are widely used in the following areas:
Industrial Cooling
In industries such as steel, metallurgy and chemical industry, fan nozzles are used to cool heat from high temperature equipment, products or processes.
Cleaning
In food processing, pharmaceutical, electronics and other industries, fan nozzles are used to clean stains, grease and other contaminants on the surface of equipment, production lines or products.
Spraying
In automotive manufacturing, painting and other industries, fan nozzles are used to spray paints, rust inhibitors or other coating materials to achieve uniform coverage and aesthetic effects.
Firefighting
In firefighting, fan nozzles are used to extinguish, cool or stop the spread of fire and improve the efficiency of firefighting.
Summary
By analyzing fan nozzles in depth, we can better understand their structure and working principle. The wide range of applications of fan nozzles proves its importance in industrial production, firefighting and other fields. When choosing and using fan nozzles, they should be selected and adjusted according to the specific needs and process conditions to achieve the best results.
























