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24FT HVLS Energy Saving Industrial Ceiling Fan modern indoor/outdoor industrial fans

24FT HVLS Energy Saving Industrial Ceiling Fan modern indoor/outdoor industrial fans

Category: Axial Flow Fans >>>
Supplier: Jiangsu Dawang Ventilation Machinery Co. Ltd

Price:$1,800.00 - $1,900.00

Quantity:

Product Overview

Description

24FT HVLS Energy Saving Industrial Ceiling Fan modern indoor/outdoor industrial fans

Products Description

Title goes here.

Semi-Automatic PET Bottle Blowing Machine Bottle Making Machine Bottle Moulding Machine
PET Bottle Making Machine is suitable for producing PET plastic containers and bottles in all shapes.

Blade shape- Streamlined variable cross-section

The blade section is from wide to narrow (304-186mm),from thick to thin (43mm-21mm).Adopts the equal chord length principle and relative linear velocity characteristics to ensure the balance pressure of the whole blade to achieve the tip,middle and roots air evenly including the middle.

Blade shape- transverse section,equal width section
The blade length is equal with cross section ,blade width is 19CM.High air resistance is not conducive to pushing airflow, holes in the middle, high energy consumption.

Blade material- aviation aluminum sheet
Adopt NO.5052H32 1.5mm thickness aviation high grade density aluminum alloy original plate,with high strength and flexibility,bright and durable.

Blade material-Low grade aluminum
Low grade aluminum mixed with recycled aluminum for secondary processing, low density, impurities, pores, low toughness and easy to break

Blade weight-light
Each blade 6.7KG,total weight for 5pcs 33.5KG.Smaller blades ,lighter weight, reducing the motor load and extend service life, low energy consumption.

Blade weight-heavy
Cross section width equal to the blades, Each blade 10KG,normal 6pcs or 8pcs.Heavy weight, large motor load, high energy consumption.

Blade and petiole -- full mortise and tenon connection
The convex petiole and concave buffer device are locked with bolts, each blade is riveted with buffer device by 16 rivets,forming the blade, buffer device and petiole as a whole, torque and shear less and less.

Blade weight-heavy
Cross section width equal to the blades, Each blade 10KG,normal 6pcs or 8pcs.Heavy weight, large motor load, high energy consumption.

Buffer device-Rubber mat
The rubber pad between mounting hole of buffer device and shaped inserts to achieve the flexible connection between petiole and chassis.Rubber mat absorb the most of vibration, improve the motor shaft work conditions, extend the life, more quieter

Buffer device-No
Vibration cannot be weakened, resulting petiole and blades loosen,heavy loading, high noise.

Wheel chassis-Integrated hub
Special-shaped mounting hole and inserts locked each other to prevent the blade from swinging

Wheel chassis structure-die cast
Gravity die-casting aluminum wheel chassis or separated wheel hub, low strength, poor fatigue resistance.

Confirguation

Dynamical system:PMSM motor Dawang motors,free maintenance Small size: 1/3 of traditional gear motor Low noise:less 40% than traditional gear motor Low energy:min 30% saving than traditional gear motor Low temperature: less than 131⁰F

VFD:Vector Converter 1.Start steady: Motor vector algorithm and current suppression to achieve 2.No noise: up to 16KHZ, no noise during speed up, slow down, and running 3.Restart: It can smooth restart when the blades not completely stopped 4.Failure protection: 25 fail-safe protections (over current,over voltage,under voltage phase loss,overload,etc.)

Blade:Streamlined variable cross-section 1.0.059''thickness No.5052 aviation aluminum alloy plate,not break when impact 2.To aerodynamic equal chord length theory,the blade narrows and thins from root to tip till tail then widen,more uniform 3.17Ibs per blade(24ft),5 blades total 84.9Ibs.more safe

Wheel Hub(chassis): 7075 aviation aluminum plate after CNC precision machining,perfect appearance and metal streamline to ensure the mechanical performance.After machining, max tolerance is 100μm, to ensure the dynamic balance.

1.Blade and petiole connection The convex petiole with concave buffer device form the Joint engaged,eliminate the centrifugal force from the blades when the fan is running and the shear force when the fan starts and stops. The transverse screw is the same direction with fan running track to avoiding the shear in order to ensure the blade will not broken,eliminate the possible Safety hazards radically. 2.Petiole and wheel hub The petiole and hub/motor are integrated by the stepped concave-convex sections to engage each other.The overall structure is used to withstand the centrifugal force during running,and all fasteners are not stressed. 3.Motor and flange roulette Safety ring:Connect the 5 petioles and motor upper cover form the whole,adopt the occlusion structural to even the force of the whole fan. Anti-falling roulette:The concave flange roulette engaged with the convex anti-falling ring each other under the gravity to ensure the reliable connection between the flange roulette and motor.