Fiberglass cooling tower fan
Cooling tower dedicated fiberglass fans are manufactured using advanced technology. The blades are made of epoxy fiberglass and feature a hollow, airfoil design with foamed plastic filling. Because the fan's airflow efficiency is primarily concentrated at the outer edge, the airfoil blades have a larger working surface, resulting in higher efficiency and airflow compared to other designs under the same conditions. For the same airflow and efficiency, a smaller fan diameter can be used.
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Fiberglass cooling tower fan
Cooling tower dedicated fiberglass fans are manufactured using advanced technology. The blades are made of epoxy fiberglass, using a hollow structure airfoil design with foamed plastic filling. Because fan air output efficiency is mainly concentrated in the outer edge, the airfoil blades have a larger working surface. Under the same conditions, the efficiency and air volume of the fan are larger, and the same air volume and efficiency can use a smaller fan diameter. The airfoil streamlined design completely overcomes the drawbacks of aluminum plate blades producing vortices, high noise, and high power consumption. The special manufacturing process and strict balance correction ensure the long-term stability of product performance. The high-quality epoxy fiberglass material ensures the product's corrosion resistance. The special curing molding process ensures the mechanical strength of the product, making it more suitable for various harsh working environments. Actual tower applications show that the fan blades have high efficiency, large flow rate, suitable wind pressure, high coincidence degree between aerodynamic performance characteristic curves and measured data, beautiful appearance, bright colors, and unique characteristics.
The fan is available in various specifications, including 3.6 meters, 4 meters, 4.2 meters, 4.7 meters, 5.5 meters, 6 meters, 7 meters, 7.7 meters, 8 meters, 8.53 meters, 9.14 meters, and 10.06 meters, and is widely used in the circulating water systems of cooling towers in modern enterprises in the petroleum, chemical, power generation, steelmaking, ironmaking, coking, and textile industries. This machine can be used not only for new cooling towers but also for old cooling towers, making it highly versatile.
To ensure that the fan performance better meets user requirements, our factory has extensively drawn on the advanced technologies and scientific research achievements of similar domestic products, and through continuous improvement, the fan has reached a leading domestic level. After long-term operation in the factory and user application, the various performance indicators of the fan have met the design requirements. Compared with similar domestic products, this fan has large air volume, stable transmission, compact structure, small size, low noise, long life, reliable sealing, and convenient maintenance. The exposed fasteners are all made of stainless steel or zinc-plated, comparable to imported products.
The cooling tower fan is mainly composed of a motor, connecting shaft, reducer, hub, blades, oil level gauge, etc. The components are introduced below:
1, Motor:
This series of cooling tower fans are equipped with Y-series motors, with a rated voltage of 380V and a working frequency of 50Hz. If users need other types of motors, they can be specified when ordering.
2, Connector:
The connecting shaft consists of two half couplings and a transmission shaft. The half couplings and the transmission shaft are connected by elastic sleeve pins. This structure is not only easy to disassemble but also has stable transmission, corrosion resistance, and the function of compensating for axial displacement, improving shaft stiffness, and reducing vibration. The transmission shaft is subjected to a dynamic balance test to ensure that the balance accuracy meets the requirements.
3, Reducer:
This reducer is a two-stage gear transmission. The first stage is a pair of spiral bevel gears, and the second stage is a pair of helical cylindrical gears. The gear material is 20CrMnTi, which has high corrosion resistance and impact resistance after carburizing heat treatment. The input shaft end of the reducer uses a double-frame seal structure, and the output shaft end uses a labyrinth seal. The sealing surfaces are reliably sealed. This reducer has the characteristics of small vibration, low noise, and stable operation.
4, Hub:
The hub has high strength. Its outer surface is treated with zinc plating for corrosion protection, and it can be used for a long time in various corrosive gases and water vapor environments. The hub is connected to the reducer using a tapered sleeve, which has a good centering effect. This structure has a large blade adjustment angle range, accurate positioning, and convenient installation and maintenance.
5, Blades:
The shape of the blades adopts internationally advanced airfoil design, with good aerodynamic performance and high efficiency. The blades are made of high-strength fiberglass by molding, with the advantages of high strength, light weight, corrosion resistance, and convenient installation and disassembly. After the blades are formed, they undergo a large torque balance test to ensure that they meet the design requirements.
6, External Oil Level Gauge:
The external oil level gauge consists of two pipes. The air pipe is drawn from the top cover of the reducer for ventilation; the oil pipe is drawn from the bottom of the reducer to observe the oil level.
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