"Pioneer" Industrial Fan

The new industrial large fan with high air volume and low speed has a safe diameter of 7.3 meters. It is developed and manufactured by using aerodynamic principle, which is safe, reliable and durable. It uses only 1.5KW motor to drive the airfoil fan to generate super large area simulated natural wind system, to accelerate the air circulation in large space, and to cool the body sensation in the covered area up to 5-6 degrees Celsius, to improve the working environment and to upgrade. Work efficiency, perfectly solve the problem of ventilation and cooling in large space.

  • Body cooling
  • Natural draft
  • Equilibrium
  • Dehumidification
  • Fan combination
  • Super coverage
  • Low energy


The natural breeze produced by the large industrial fan of Onfu blows on the human body, promotes the evaporation of sweat to take away heat, and makes the human body cool, bringing a cool feeling. Usually, this cooling sensation can reach 5-8 degrees Celsius. Bring comfortable experience of natural wind to human body. The three-dimensional natural breeze blown by large industrial fans is more comfortable because, on the one hand, the three-dimensional blowing of the human body makes the evaporation area of the human body reach the maximum. On the other hand, human beings have accumulated a kind experience of natural wind in nature, but when a natural breeze with variable wind speed blows, the human body will naturally feel extremely comfortable and cool.


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Natural Ventilation and Improvement of Air Environment

In previous ventilation schemes, people often decide which products and quantity to use according to the number of ventilation in space. This is very obvious in small space. You can even see the steam in the bathroom drain out quickly with the operation of the abdominal pressure fan. But in the large enclosed space, the ventilation effect is not obvious: for example, the larger smoke, moisture, carbon dioxide, poor quality air, or concentrated at the bottom of the building, roof negative pressure fans on these corners of the air has no effect, but precisely the personnel and equipment are there. Large industrial fans will promote the mixing of air in the whole space. Smoke, moisture and fungi with unpleasant odor can be well dispersed, thus improving the air quality in the city and obtaining a healthy, dry and safe working environment.
      Including dairy farm, feeding farm, hatchery and so on. Good ventilation can improve air quality, dehumidify, remove odors, and reduce the incidence of livestock. Appropriate temperature can make livestock feel comfortable, stimulate the rapid growth of livestock, thereby improving the productivity of stocked livestock, and increase the production of poultry eggs, milk and meat.


“领创”工业大风扇






“领创”工业大风扇





In winter indoors, the hot air generated by air conditioning heating gathers on the top floor, while the ground temperature is moderate and low. Low-speed industrial energy-saving fans can slow the hot air from the roof to the ground, which can balance the indoor temperature and avoid energy consumption caused by uneven temperature.





If the ventilation and cooling conditions in buildings are poor, the quality of products may be reduced, and even a lot of losses and waste may be caused! In addition, some materials will become the first object of complaint once they are damped and deformed. To prevent air condensation, reduce bacteria and mildew, super industrial fans significantly enhance air flow and thus control air condensation on the ground or metal surface, can make your working environment more clean, dry, comfortable and safe. Drive out the birds that enter the room by mistake to ensure the internal sanitation of tall buildings.


 

                         Humidity range

Normal condition

30%

40%

50%

60%

70%

80%

Open fan

27%

35%

43%

50%

58%

65%

Reducing Relative Humidity

3%

5%

7%

10%

12%

15%

Percentage decrease in humidity

10.00%

12.50%

14.00%

16.67%

17.14%

18.75%






Fan combination

The concept of fan-machine combination is especially suitable for all kinds of large indoor workplaces which pursue ventilation and cooling while maintaining the safety, beauty and investment of roof load-bearing. Without air conditioners, large fans can not handle the indoor temperature very well, and without large fans, when only using air conditioners, a large number of air supply pipes must be set up to hang in the center of the indoor house, which affects the aesthetics and building safety. Only the combination of fans can give consideration to both, so as to achieve the objectives of ventilation cooling, ventilation, economy, beauty and safety, and to the air in tall and large buildings. It is of great significance.


Basic characteristics:

1. The drawing shows a large-span steel structure workshop with heat source and high indoor temperature in summer. The diameter of the large industrial fan is 7.3 meters, and the air flow rate is 13,000 cubic meters/minute. The maximum air flow coverage area of each fan can reach 1000-1600 square meters depending on the installation height. The air flow can extend to the radius of the fan center at least 20 meters. The air flow speed is about 2-3 meters/second, the maximum speed is 53 rotations/minute, the motor power is 1.5 KW, frequency conversion drive, stepless. Speed regulation; The power of the air conditioner is 1.1KW, the maximum cold air volume is 18000 cubic meters/hour, which is installed on the outside wall of the workshop.

2. Large fan characteristics: large air volume, three-dimensional wind, large coverage area. Characteristics of evaporative air conditioner: fresh air supply, cooling, dust filtering, increasing oxygen content of indoor air and realizing positive pressure exhaust.



“领创”工业大风扇






“领创”工业大风扇


The reason why the super-large energy-saving fan can cover such a large area depends on the unique streamlined fan blade design, which can reduce the resistance to the minimum and convert the highest efficiency of electric energy into the kinetic energy of air. In addition, the airflow structure of the fan is different from that of the ordinary small fan. The small fan can only cover the range of the fan diameter, while the super-large energy-saving fan first pushes the airflow vertically to the ground, and then forms a 1-3 meter high airflow layer on the ground, thus forming a super-large coverage area not limited to the lower part of the super-large energy-saving fan. In an open space, a fan can cover even a very large area of 1400_.







Energy saving and environmental protection

The coverage area of a 7.3M diameter fan is equal to the coverage area of 50 0.75M small fans. For example, in a 9000 square metre factory building, in order to achieve full coverage effect, about 300 small fans are needed, while only 6 industrial energy-saving fans are needed. According to the use of 4 years, 8 months a year, 10 hours a day, a total of 10,000 hours of operation, 90,000 KW. h power consumption, 1080,000 KW. h small fans, energy saving 990,000 KW. h, energy saving 92%.

It can save more than 30% energy when used in conjunction with air conditioning.


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  • Global mainframe
  • Fan blade hub clip
  • German High Efficiency Motor
  • Denver Frequency Conversion
  • Wind tail


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      Overall framework


The whole frame is made of Q345 steel plate with 6 mm thickness, and all joints are processed by full welding process. The structure is solid and reliable. The surface has better appearance effect and corrosion resistance after whole spraying treatment. Unique heat sink design prevents motor from overheating failure.











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CNC Cutting and Forging High Strength Aluminum Alloy Wheel Hub


The hub of large fan is forged by aviation aluminium alloy. 7075 aluminium alloy has high mechanical properties and good casting properties, namely, high strength, good toughness and good fluidity, air tightness and thermal crack resistance. It can cast high strength castings with complex shapes. It is suitable for various casting methods, high strength and high quality casting, aircraft and missile warehouse parts bearing high load.
      The 45# steel forging is used in the matching part of the motor shaft. The forging is finished by CNC lathe and then nested with 7075. Finally, the forging is precisely processed by the machining center. It not only guarantees the overall weight of the hub and the accuracy tolerance of each part within 100 um, but also solves the material strength problem of the parts matched with the motor shaft.
     Every wheel hub processed and moulded will undergo accurate dynamic balancing test to ensure that the large fan rotor has good balancing performance, and at the same time improve the safety of the fan.





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Belgian Airfoil High Strength Al-Mg Alloy Fan Blades

The fan blade is made of special high strength Mg-Al alloy imported from Belgium, which guarantees the hardness of the fan blade and the overall quality of the fan from the source. The process of fan blade is carried out according to strict standards and processes. The integrity and stability of fan blade are guaranteed by modern integral forming process. The surface of fan blade is treated by T5 + bright oxidation, which enhances the anti-corrosion and anti-oxidation of fan blade and can cope with special environment.


Leaf Shape and Advantage

Two sets of reinforcing rib support system and additional steel wire rope protection groove inside the fan blade are used as reinforcing ribs on the one hand, on the other hand, steel wire is embedded to prevent the fan blade from accidentally breaking and falling, to strengthen the strength of the fan blade, and to completely avoid the sagging of the end of the fan blade and the fatigue loss of the fan blade to the connecting components.




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High Strength Petiole of T4 Process


The petiole of the new generation product is made of high strength magnesium-aluminium Alloy 6061 extruded bar with tensile strength over 400 MP. It has been certified by the National Quality Inspection Center and has endured millions of fatigue tests. The problem of falling fan blades caused by fatigue fracture of metal in long-term operation is thoroughly solved.
       6061 is a high strength magnesium alloy. It has good strength, corrosion resistance and machinability in non-heat-treated alloys. The surface of 6061 alloy after anodization is beautiful and the arc welding performance is good. The main alloying elements in 6061 alloy are magnesium, which has good corrosion resistance, weldability and high strength. The excellent corrosion resistance makes 6061 alloy widely used in maritime applications, such as ships, automobiles, aircraft welding parts, Metro Light rail, pressure containers requiring strict fire protection (such as liquid tankers, refrigerated vehicles, refrigerated containers), refrigeration devices, television towers, drilling equipment, transportation equipment, missile parts, armor, etc.








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Onf Industrial Large Fan Imported Motor Germany Nord Specialized Customization


The coaxial helical gear reducer (output shaft diameter 40mm) imported from Germany with NORDL enlarging seat number, reduces the risk of radial force and is one of the safety guarantees.
       Shell Omala S4 ultra-long life synthetic gear lubricant, 20,000 hours maintenance-free - to improve the quality of oil products, one of the safety guarantees;
       The design of double oil seals for Simrit output shaft imported from Germany reduces the possibility of oil leakage of oil seals and ensures long-term quality assurance.
       Box automatic exhaust valve - reduces the risk of oil emulsification, one of the safety guarantees;
       The new generation of energy-saving and efficient motor, IE2, which adopts the new national standard, is further energy-saving.






领创

CNC Cutting and Forging High Strength Aluminum Alloy Wheel Hub


The hub of large fan is forged by aviation aluminium alloy. 7075 aluminium alloy has high mechanical properties and good casting properties, namely, high strength, good toughness and good fluidity, air tightness and thermal crack resistance. It can cast high strength castings with complex shapes. It is suitable for various casting methods, high strength and high quality casting, aircraft and missile warehouse parts bearing high load.
      The 45# steel forging is used in the matching part of the motor shaft. The forging is finished by CNC lathe and then nested with 7075. Finally, the forging is precisely processed by the machining center. It not only guarantees the overall weight of the hub and the accuracy tolerance of each part within 100 um, but also solves the material strength problem of the parts matched with the motor shaft.
     Every wheel hub processed and moulded will undergo accurate dynamic balancing test to ensure that the large fan rotor has good balancing performance, and at the same time improve the safety of the fan.





领创

Belgian Airfoil High Strength Al-Mg Alloy Fan Blades

The fan blade is made of special high strength Mg-Al alloy imported from Belgium, which guarantees the hardness of the fan blade and the overall quality of the fan from the source. The process of fan blade is carried out according to strict standards and processes. The integrity and stability of fan blade are guaranteed by modern integral forming process. The surface of fan blade is treated by T5 + bright oxidation, which enhances the anti-corrosion and anti-oxidation of fan blade and can cope with special environment.


Leaf Shape and Advantage

Two sets of reinforcing rib support system and additional steel wire rope protection groove inside the fan blade are used as reinforcing ribs on the one hand, on the other hand, steel wire is embedded to prevent the fan blade from accidentally breaking and falling, to strengthen the strength of the fan blade, and to completely avoid the sagging of the end of the fan blade and the fatigue loss of the fan blade to the connecting components.




领创

 

High Strength Petiole of T4 Process


The petiole of the new generation product is made of high strength magnesium-aluminium Alloy 6061 extruded bar with tensile strength over 400 MP. It has been certified by the National Quality Inspection Center and has endured millions of fatigue tests. The problem of falling fan blades caused by fatigue fracture of metal in long-term operation is thoroughly solved.
       6061 is a high strength magnesium alloy. It has good strength, corrosion resistance and machinability in non-heat-treated alloys. The surface of 6061 alloy after anodization is beautiful and the arc welding performance is good. The main alloying elements in 6061 alloy are magnesium, which has good corrosion resistance, weldability and high strength. The excellent corrosion resistance makes 6061 alloy widely used in maritime applications, such as ships, automobiles, aircraft welding parts, Metro Light rail, pressure containers requiring strict fire protection (such as liquid tankers, refrigerated vehicles, refrigerated containers), refrigeration devices, television towers, drilling equipment, transportation equipment, missile parts, armor, etc.







+ Continuous analysis, optimization, test verification and effective fan elimination by aerodynamic lift coefficient method, special workstation, ANSYS  ICEM and ANSYS CFX
      Eddy current at the end of the blade can keep the fan running steadily and improve the efficiency of the whole machine.
      + ABS engineering plastics, one-time moulding, high strength, long life, beautiful, no deformation;






  • product details
  • Installation space requirements
  • Common Installation Ways


I. Product Details

 

Augfu Technical Specification for 'Pioneer' Series Large Industrial Fans


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Propeller blades only need to rotate slowly in the air to form a continuous, silent breeze flow. Unique and efficient airfoil blades rotate slowly to generate a large amount of downward air flow, thus forming a nearly perfect propeller exhaust.



1. Model Specification Parameters

 Model Specification AF-LC-7M

 

operation---------------------------------------Forward turn operation

Fan diameter---------------------------------------7.3Meters

Converter disc - Aluminum alloy forged fan hub, imported American Airlines AA7075 superhard aluminum alloy, high-pressure precision forging

Fan leaf material----Adopt high strength 6063 series, one-time extrusion forming, built-in three reinforcing bars

Fan leaf---------------------------------------------------------5 tablets

Rated power------------------------------------------ 2.0 HP 1.5 kW

Installed weight---------------------------------------------------130 Kg


2. Performance specification parameters

 Performance (maximum speed) AF-LC-7M


Circulating air volume-----------------------------------13,000 CMM( m3min)

Maximum speed--------------------------------------------- 20-53 RPM

Power consumption per hour at maximum speed----------------------------------1.5 kW

Typical layout spacing---------------------------------------30 rice Meters

Maximum noise--------------------------------------------------45 Decibel


Note: * Noise value is the factory test value, and there will be slight change in each application condition. The motor is German Nord Motor, the frequency converter is Danish Danfoss brand, and the motor and frequency converter are imported brands.

 

3. Other specifications and parameters

Install fixtures

 

Standard configuration-------------------------------General clamping device for I-shaped steel beam

Concrete Beam Clamp Structure (Selection) Extension Bracket (Selection)----------------The longest is 5 meters.

Motor power   HP     ------------------------------ 2HP 1.5 kW

ambient temperature-------------------------------------20C°-+45C°

Insulation grade------------------------------------------------ F

Protection level---------------------------------------------IP 55

Work system-------------------------------------------------S 1

power factor------------------------------------------- 0.8.78


Gearbox

Model:Type---------------------------------------2-Stage Helical

Lubricant Maintenance Period   Service Interval---------------Shell Top Omala S4GX Synthetic Gear Oil with Extra Long Service Life

Control box(MCP)

Standard Power Configuration-------------------------------------------220V/380

Box body----------------------------------------IP55 Protection Level NEMA 1

Power Indicator Lamp-------------------------------------------Stop running status

Isolating switch-------------------------------20-25 Amp, Lockable Lockable

Switch and Speed Control Button------------------NEMA 4X -Positive Stop Reverse Installation

RF filter------------------------------Preventing interference with other equipment- Built In

Frequency Conversion Soft Start-----------Stepless Speed Regulation, Reduction and Deceleration Limitation and Minimum Speed Limitation

Frequency converter-----------------------------VLT Automation Drive 1.5KW)|380V220V

Frequency Converter Cable------------------------------- RVV3*2.5+1*1.5-----   50 Meters




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