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Y10-21/Y8-24/Y10-24 Highly Efficient Low Noise Induced Draft Fan

Y10-21/Y8-24/Y10-24 Highly Efficient Low Noise Induced Draft Fan

Y10-21/Y8-24/Y10-24 Series Low Noise Centrifugal Induced Draft Fan for Boilers are designed for (1t/h、2t/h、4t/h) industrial boilers using different qualities of coal and equipped with smoke exhausting and dust removal device. All industrial boilers with similar inlet conditions and right performance can use such blowers. But the air inlet temperature may not exceed 250℃. 

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Product Description

Y10-21/Y8-24/Y10-24 Series Low Noise Centrifugal Induced Draft Fan for Boilers are designed for (1t/h、2t/h、4t/h) industrial boilers using different qualities of coal and equipped with smoke exhausting and dust removal device. All industrial boilers with similar inlet conditions and right performance can use such blowers. But the air inlet temperature may not exceed 250℃. Dust removal device with de-dusting efficiency of not lower than 85% shall be installed before fans to minimize the dust content entering fans, improving fans’ service life.

Key Advantages:

1. For impellers, Y10-21, Y8-24 blower series use same parts (made of Q345(16Mn)) for impellers except for vanes. Y8-24 fan has 16 long front-curved vanes while Y10-21 and Y10-24 fans have 24 front curved vanes, namely, 12 long and 12 short vanes. All these vanes are welded between arc front discs and plate-shape backward plates and go through static and dynamic balancing correction, so they enjoy high strength and stable operation.

2. Air inlet- With convergent design, the air inlet is fixed to the inlet side of blower casing with screws.

3. As a part of the induced draft fan, the air damper is used to adjust the capacity of blower. Blower with fan No. 5 has disc vanes while blowers with No. 6.3-9 has petal vanes. Air dampers are radially installed before the air inlet. The adjusting range is from 0° (fully open) to 90° (fully closed). Looking from the side of the air inlet, the handle of the air damper is on the right side. For right rotation blowers, the handle moves from fully closed to fully open by moving from bottom to top. For left rotation blowers, the handle moves from fully closed to fully open by moving from top to bottom. Air damper has to be lubricated carefully to ensure its normal operation. The blower applies temperature-resistant (260℃) molybdenum disulfide lubrication grease for lubrication to ensure good lubrication under high temperature operation.

4. Driving system -It is composed of main shaft, bearing box, belt pulley, and coupling, etc. The main shaft is made of quality steel and applies rolling bearing, water-cooling integrated-design bearing box. Therefore, a water pipe has to be added and the water consumption varies with ambient temperature and is usually considered as 0.5-1m3/h. Equipped with thermometer and oil level indicator, the bearing box uses L-AN46 (Lubricating Oils for Total Loss Systems L-AN). The oil amount to be added shall be based on the oil level indicator. 

 

Specification:

Item name

Y10-21/Y8-24/Y10-24 Highly Efficient Low Noise Induced Draft Fan

Parts details

Impeller diameter

500~900

mm

Speed of main shaft

1450~2500

r/min

Pressure range

1412~3312

Pa

Flow range

1936~16825

m3/h

Structure

Blade structure

Forward

Impeller support

Single support

Drivetrain

C/D

Assignable

Lubrication

Oil bath lubrication / grease lubrication

Assignable

Bearing cooling

Circulation water cooling/air cooling

 

Circulation oil cooling

 

System
configuration

Motor

Anhui Wannan, Lu’an Jianghuai, Henan Yutong, Jiamusi, Nanyang Explosion Proof, Siemens

 

Impeller, air inlet, blower casing, air damper

Carbon steel

Customizable

Main shaft

High strength carbon structure

Bearing

FAG, SKF, ZWZ, C&U,YLC…

Bearing box

Casting iron

 

Drivetrain

Coupling/belt pulley

Assignable

Foundation bolt

Carbon steel

 

Optional
parts

System base frame, Protective screening, Silencer, Inlet& outlet pipeline compensator, Inlet& outlet flange, Air damper, Electric actuator, Shock isolator, Diaphragm coupling, Fluid coupling, Motor rain cover, Temperature sensor, Vibrating sensor, Soft starter, Variable-frequency drive, Special motor, System monitoring &control instrument, Lubrication system and High-level oil tank.

 

Applications:

They are applicable to normal temperature and hot gas, clean and dusty gas, powder materials and tiny granules. They can apply into boilers, dust removal, de-nitration and desulfurization, cement, metallurgy, power generation, gas and material handling, smoke exhausting. It can also be customized according to special industries.

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