Introduction
YFZ40/35-13 series textile axial fan adopts the latest achievement of aviation technology, a high-performance airfoil. Therefore, it has the advantages of good performance, small practical power, high mechanical efficiency, and low noise. The fan blades are cast by hard Aluminum alloy and formed in the mold with composite materials, which have the characteristics of lightweight, high strength, and corrosion resistance.Based on more than ten years of practical experience in the use of the first-and-second-generation fans, the original design has been improved and optimized in many places, and each model is designed with advanced airfoil high-efficiency and energy-saving blades with multiple twist angles and installation angles. To suit different working conditions and more in line with the best airflow, the efficiency can be increased by more than 5%-10% compared with the second-generation fan, and the energy-saving effect is more significant.Products can be tailored and professionally designed according to the actual demands of customers.
YFZ40/35-13 series textile axial fan adopts the latest achievement of aviation technology, a high-performance airfoil. Therefore, it has the advantages of good performance, small practical power, high mechanical efficiency, and low noise. The fan blades are cast by hard Aluminum alloy and formed in the mold with composite materials, which have the characteristics of lightweight, high strength, and corrosion resistance.Based on more than ten years of practical experience in the use of the first-and-second-generation fans, the original design has been improved and optimized in many places, and each model is designed with advanced airfoil high-efficiency and energy-saving blades with multiple twist angles and installation angles. To suit different working conditions and more in line with the best airflow, the efficiency can be increased by more than 5%-10% compared with the second-generation fan, and the energy-saving effect is more significant.Products can be tailored and professionally designed according to the actual demands of customers.
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Functions
YFZ40/35-13 airfoil axial fan is compatible for air conditioning ventilation and other non-corrosive gas ventilation occasions in textile mills. The airfoil blades and two-speed motor are used to adjust the working conditions, which achieves the purpose of high efficiency, low noise, and energy saving.This fan adopts airfoil blades, which have high efficiency; Smooth and reliable operation; Flat performance curve; and large flow range; The structure is simple reliable, and easy for installation and maintenance.
YFZ40/35-13 airfoil axial fan is compatible for air conditioning ventilation and other non-corrosive gas ventilation occasions in textile mills. The airfoil blades and two-speed motor are used to adjust the working conditions, which achieves the purpose of high efficiency, low noise, and energy saving.This fan adopts airfoil blades, which have high efficiency; Smooth and reliable operation; Flat performance curve; and large flow range; The structure is simple reliable, and easy for installation and maintenance.
Models
YFZ40/35-13 series includes nine versions: NO8#, NO9#, NO10#, NO11.2#, NO12.5#, NO14#, NO16#, NO18# and NO20#.
YFZ40/35-13 series includes nine versions: NO8#, NO9#, NO10#, NO11.2#, NO12.5#, NO14#, NO16#, NO18# and NO20#.
Structural Features
This fan is mainly composed of an impeller, casing, an air collector, and a motor.The blade of this machine is the latest airfoil blade developed by Shaanxi Fan Pump Engineering Research Center of Northwestern Polytechnical University, the material is made of ZL-101 high-strength cast aluminum alloy, and the surface hardness is oxidized, with good corrosion resistance, long life, and high efficiency.This fan is divided into two types: discrete and horizontal, and is divided into floor type and wall type horizontal type. It is divided into suction type and press-in type, and the type should be indicated when ordering.
This fan is mainly composed of an impeller, casing, an air collector, and a motor.The blade of this machine is the latest airfoil blade developed by Shaanxi Fan Pump Engineering Research Center of Northwestern Polytechnical University, the material is made of ZL-101 high-strength cast aluminum alloy, and the surface hardness is oxidized, with good corrosion resistance, long life, and high efficiency.This fan is divided into two types: discrete and horizontal, and is divided into floor type and wall type horizontal type. It is divided into suction type and press-in type, and the type should be indicated when ordering.
Performance Parameters And Calculation
The performance parameters in the parameter table listed in this fan are the air performance in the standard state. If the use conditions are the same as the standard conditions (temperature 20 °C, relative humidity 50%, air density 1.2kg/m3) can be converted according to the following formulaFlow rate θ = θ0Golden Wing ventilationPressure P=(Golden Wing ventilation)2 P0Power N = N0（Golden Wing ventilation）3Golden Wing ventilationwhere: θ01. The flow rate in the performance table: m3/sN01. The power KW in the performance tableP。 1. Pressure in the performance table: Paρ0-air density (standard): kg/m3N。 1. The speed in the performance table: r/minθ-Flow rate under the condition of use: m3/sP – Pressure under the condition of use: PaN—The theoretical power Kw required under the conditions of useρ – Air density under the condition of use: kg/m3N – speed under the condition of use: r/minAssembling And Adjustment
The performance parameters in the parameter table listed in this fan are the air performance in the standard state. If the use conditions are the same as the standard conditions (temperature 20 °C, relative humidity 50%, air density 1.2kg/m3) can be converted according to the following formulaFlow rate θ = θ0Golden Wing ventilationPressure P=(Golden Wing ventilation)2 P0Power N = N0（Golden Wing ventilation）3Golden Wing ventilationwhere: θ01. The flow rate in the performance table: m3/sN01. The power KW in the performance tableP。 1. Pressure in the performance table: Paρ0-air density (standard): kg/m3N。 1. The speed in the performance table: r/minθ-Flow rate under the condition of use: m3/sP – Pressure under the condition of use: PaN—The theoretical power Kw required under the conditions of useρ – Air density under the condition of use: kg/m3N – speed under the condition of use: r/minAssembling And Adjustment
- Installation of vertical fan: first install the main engine shell on its seat bracket to ensure the verticality of the spindle. Install the air collector correctly and securely.
- When installing the horizontal wall ventilator, put the fan shell into the reserved hole accurately, level the motor seat plate with a level, and then weld the bracket and the embedded steel bar firmly. Then the motor and impeller are mounted and tightened. The outer part of the casing is closed with wooden planks and then poured with concrete. After the main engine is installed, install the air collector on the side of the main machine.
- The floor-mounted installation should have a flat foundation, pre-embedded anchor bolts, and be fastened with nuts after the frame is stable. For vibration isolation requirements, shock absorbers can be installed under the base of the fan.
- After all the fans are installed, move the impeller by hand to check whether the gap between the blades and the hair dryer is uniform.
- After confirming that the fan is installed in good condition and the impeller rotates in the correct direction, carry out 30 minutes of trial operation. Stop the machine to check the fasteners, if the operation is good, and then run continuously for 4 hours under the normal flow and pressure, if there is no abnormal phenomenon, it can be put into formal use.
- If one of the following situations is found during use, it should be stopped in an emergency and troubleshooting before continuing to use.
- The current rises suddenly, exceeding the specified value
- The bearing temperature rises sharply or is too high.
- There is abnormal noise or noise in the fan or motor,
- Sudden and violent vibration of the fan or motor.
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