Y9-38 High Temperature Boiler Induced Draft Centrifugal Fan
* Model No.4D~16D of Y9-38 boiler induced draft fan consists of high-temperature resistant backward curved airfoil impeller, reinforced thick steel welded volute casing, streamlined circular air inlet and split base driving unit connected via flexible coupling. ·
* The impeller is assembled with multiple heat-resistant backward curved blades, front disc and rear hub plate; all wheel assemblies pass strict static & dynamic balance calibration to guarantee stable low-vibration operation under dusty high-temperature flue gas working condition. ·
* These boiler smoke exhaust blowers are fabricated with wear-resistant carbon steel plate, optimized internal volute flow path cuts flue gas flow loss and keeps steady exhausting efficiency under variable boiler load fluctuation.
* Split base design separates fan casing base and independent motor pedestal via coupling, bringing convenience for on-site alignment, daily inspection and later component replacement. ·
* Curved streamlined air inlet guides high-temperature dusty flue evenly into impeller to promote overall exhaust efficiency.
Y9-38 Model Features:
Material Properties
Featured by high temperature resistance, strong anti-abrasion performance and stable exhaust curve, Y9-38 series fans are specialized matched exhaust equipment for 0.5~35t/h industrial boilers equipped with preheater and flue gas dust removal system. All specifications can be fitted with standard Y-series three-phase asynchronous motor; B-Y9-38 explosion-proof variant equipped with YB flameproof motor is optional for special fuel-fired boiler on request.
F-Y9-38 full stainless steel anti-corrosion customized version is available for corrosive acidic flue gas working condition, retaining identical airflow parameters and foundation mounting dimension as standard carbon steel Y9-38 fan.
Benefits
Standard Y9-38 fan is used for exhausting boiler high-temperature flue gas; explosion-proof B-Y9-38 can extract volatile combustible flue gas from special industrial boiler. Inlet flue gas temperature shall not exceed 250℃, and dust removal equipment with purification efficiency ≥85% must be installed at fan inlet to reduce ash content inside flue, lowering abrasion on impeller and prolonging fan service life while cutting environmental pollution from smoke emission.
Fan Structure
B-Y9-38 explosion-proof induced draft fan shares consistent technical performance, parameter selection standard, overall outline dimension and foundation installation size with ordinary standard Y9-38 fan, only the driving motor is replaced with explosion-proof specification.
Model Selection
The series is equipped with diversified rotating speeds of 730/960/1450/2900r/min and matched power ranging from 5.5kW up to 280kW, various speed-power combinations form wide flow and full pressure scope to meet different tonnage boiler’s flue exhausting and pipeline resistance requirement.
| Model |
Power(kW) |
Rotation(r/min) |
Volume(m³/h) |
Pressure(Pa) |
| 4D |
5.5/7.5 |
2900 |
3297~5495 |
2275~2226 |
| 4.5D |
11 |
2900 |
4694~7824 |
2873~2814 |
| 5D |
15/18.5 |
2900 |
6439~10733 |
3550~3481 |
| 5.6D |
30/37 |
2900 |
9047~15079 |
4452~4364 |
| 6.3D |
5.5/7.5/45/55/75 |
1450/2900 |
6441~21470 |
1402~5805 |
| 7.1D |
11/15/18.5 |
1450 |
9219~18439 |
1784~1735 |
| 8D |
22/30/37/55 |
1450 |
13189~26378 |
2275~2206 |
| 9D |
55/75 |
1450 |
28168~37557 |
2991~2785 |
| 10D |
75/90/110/132/160 |
1450 |
34346~62381 |
3716~4658 |
| 11.2D |
30/45/160/200/250 |
960/1450 |
23960~67082 |
1951~5805 |
| 12.5D |
55/75/90/22/30/37 |
730/960 |
33390~66260 |
1471~3049 |
| 14D |
37/45/55/75/160/200/250 |
730/960 |
35586~104784 |
1765~4138 |
| 16D |
75/90/110/132/280 |
730/960 |
53119~139712 |
2304~3863 |
Q1: What are the main applications of the Y9-38 fan?
A1: It is designed for use with 0.5-35t/h industrial boilers equipped with preheaters and dust removal devices.
Q2: What temperature conditions can the fan withstand?
A2: The flue gas temperature at the fan inlet must not exceed 250°C.
Q3: What dust removal requirements are there?
A3: A dust removal device with efficiency ≥85% is required to reduce dust content and protect the fan from wear.
Q4: What is the benefit of the dust removal device?
A4: It reduces environmental pollution and extends the fan's service life by minimizing dust-related wear.
Q5: What is the drive type of the fan?
A5: The fan features a belt-driven D-type design, allowing for flexible speed control and maintenance.
Q6: How do I choose the right model for my boiler?
A6: Consider the boiler capacity, required airflow, static pressure, and installation space. The series offers a wide range of models with different capacities.
Q7: What maintenance is required for the Y9-38 fan?
A7: Regular inspections and maintenance are recommended, including checks of the motor, impeller, belt drive system, and dust removal equipment.
Q8: Is the fan suitable for continuous operation?
A8: Yes, the fan is designed for long-term continuous use in boiler ventilation systems.
Q9: What certifications does the Y9-38 series have?
A9: The series meets international quality standards. CE-certified versions are available for European customers.
Q10: Can the fan be used with boilers of different capacities?
A10: Yes, the series includes models suitable for boilers from 0.5t/h to 35t/h.
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