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Single suction industrial boiler exhaust blower fan
It is boiler induced draft fan with a total internal pressure efficiency of 90.5% specially designed to be suitable for various coal quality and equipped with a smoke-and-dust removal device (1~20 tons/hour).
This type of fan is currently used in the boiler industry. The air volume of the induced draft fan and the difference in wind pressure are relatively large, in order to adapt to the above situation, considering the practicability of the fan, in addition to the 20-ton boiler ID fan need large power coupling direct transmission, the other uses the triangular belt type transmission.
This can use different speeds to meet the requirements of various dust collectors in the same tonnage boiler, combined redundant fan series and machine number.
It is used to transport various common gases and hard materials in industrial production, and is suitable for various harsh conditions such as high temperature, wear and corrosion.
| series | model | Rotation Speed (r/min) |
Total Pressure (Pa) |
Air Capacity (m³/h) |
Power (kW) |
| 5-11 | 4C | 2900 | 990~1873 | 2750~5750 | 3~4 |
| 5C | 2620~2900 | 1265~2265 | 4840~9870 | 5.5~7.5 | |
| 6C | 2620~2850 | 1824~3148 | 8370~16760 | 15~18.5 | |
| 8C | 1820~1980 | 1726~2991 | 13780~27600 | 22~30 | |
| 9C | 1740~1820 | 2000~3197 | 18780~36140 | 37 | |
| 12C | 1450 | 3609~2471 | 37100~68250 | 75 | |
| 12.4C | 1450 | 3903~2638 | 40940~75330 | 90 |
1. Applications for Single suction industrial boiler exhaust blower fan
♦ Industrial boiler waste gas desulfurization, Industrial boiler flue gas denitrification.
♦ Boiler's air supply and exhaust (Coal-fired boiler, Biomass boiler, Garbage incinerator, CFB boiler, Stokerfeed boiler…).
♦ Industrial boiler blowing air, Industrial boiler inducing air, Industrial boiler primary air, Industrial boiler
♦ Ventilating Forced ventilating, Building ventilating, Mine ventilating, Tunnel ventilating, Materials ventilating and drying.
secondary air.
♦ Cooling and heat dissipation
Forced cooling and heat dissipation, Industrial equipments cooling and heat dissipation.
♦ Air purification and industrial waste gas treatment, Air filtration system, Flue gas desulfurization, Flue gas denitrification.
♦ Industrial kilns
Inducing air of Cement rotary kiln, Lime rotary kiln, Nickel iron rotary kiln, Clay sand rotary kiln, and other various calcining kilns.
Garbage incinerator blowing air, Garbage incinerator inducing air, Brick kiln inducing air.
Ventilating of cement mill, Coal mill and other large mill system.
♦ Energy and power
Thermal power plant, Garbage incineration power plant, Biomass fuel power plant, Industrial waste heat recovery device.
♦ Metal smelting
Blowing air of mineral powder sintering(Sintering machine), Furnace coke production(Furnace coke oven).
♦ Gas and materials delivery
General air delivery, High-temperature air delivery, Combustible gas delivery, Corrosive gas delivery, Gas mixed with impurity delivery.
Delivery of coal powder, Particle material/ Powder material/ Fragment materials/Fiber materials.
♦ Other
Pressurization and decompression seal of industrial equipment, Recovery of industrial waste gas, Supply air and drying of food and drug production line.
2. Characteristics for Single suction industrial boiler exhaust blower fan
♦ Can output higher discharge pressure, in the same time providing larger air flow volume, low noise. Can work in high temperature condition stably.
♦ Can flexibly adjust fan's volume and pressure in running by air damper. Can also adjust fan's pressure and volume by changing the fan speed via matching variable frequency motor.
♦ In the case of using system base, so easy for installation, no need of professionals direction.
♦ Cooling method of bearing, choosing low cost water cooling method or good heat dispersion oil cooling method according to gas temperature and running condition. Or installing BOX COOL for very high temperature medium condition to protect fan system operation reliable completely.
♦ Regarding to material of impeller and main shaft, we will choose high strength carbon steel, low alloyed steel, High temperature resistant alloy steel, High temperature resistant high strength alloy steel according to different medium temperature and running speed, ensuring the impeller and main shaft keeping reliable strength in high temperature.
♦ Can satisfy different dust loading conditions that low dust loading to a good deal dust loading, the surface hardness of impeller can reach to HRC60~70 after special processing, greatly extending impeller's service life.
♦ Using liquid lubricating oil, no need to open bearing housing when changing or filling lubricating oil. Easy to observe the lubricating oil's quality and stock through inspection window on the bearing housing body.
♦ Bearing housing reserves installation place for temperature and vibration sensors, can install easily of fan running monitoring device.
♦ Bearing housing adopt labyrinth type mechanical seal, unique design of spill prevention of inner, venthole design on top, commissure coated with sealing grease, completely eliminating bearing housing oil leak.
The motor load can be automatically reduced when airflow resistance is increasing, to prevent motor from destroying.
♦ Customizing design according to customer's performance requirements, and optimizing by CFD technology, energy consumption lower than same fans.
♦ Fitting tightly of parts, good sealing, ensuring no reducing of output pressure.
♦ Impeller of annealing treatment, completely eliminating structure of internal stress when welding, ensuring impeller appearance won't occur creepage and flaw.
♦ The welding line of impeller and main shaft passed ultrasonic flaw detection, ensuring no defect of welding and materials, guarantee strength.
♦ Impeller passed high standard dynamic balancing, ensuring stable running of fan.
♦ Running test and vibration value test for fans after finishing manufacturing, ensuring running reliably.
3. Structure for Single suction industrial boiler exhaust blower fan
♦ Impeller Type: Backward blade
♦ Driving Mode: Coupling drivetrain
♦ System Type: Single inlet type, Overhang type.
♦ Cooling Type: Circulating Water cooling/Forced circulation oil cooling.
♦ Bearing Lubrication Methods: Oil bath lubrication/Oil circulating lubrication
♦ Basic Components:
Motor, Impeller, Impeller cone (Air Inlet), Case, Damper, Main shaft,
Bearing, Bearing housing, Pin coupling,Foundation bolt.
♦ Optional Components:
System base frame, Protective screening, Silencer, Inlet & Outlet pipeline compensator,
Inlet & Outlet flange, Electric actuator, Shock isolator, Diaphragm coupling, Fluid coupling,
Motor rain cover, Temperature sensor, Vibrating sensor, Soft starter, Inverter, Special Electrical Motor,
System monitoring Instrument, Lube system, Overhead lube tank...
4. Performance for Single suction industrial boiler exhaust blower fan
The following datas are only part of performance of our product.
If you can't find the datas you need, pls send us your performance requirements,
we will provide you customized design service.
5. Production Process for Single suction industrial boiler exhaust blower fan
Design, Raw material cutting, Pressing forming, Welding,
Machining of shaft, Dynamic balancing of impeller,
Assembly, Running test, Sandblasting, Painting, Packing.
6. Quality control procedure
Material strength test, Material composition analysis, Dimension inspection,
Ultrasonic weld inspection, Dynamic balancing test, Running vibration measuring,
Running noise measuring, Paint thickness measuring, Performance test.
7. How to order?
Please click "How to order" on the top of main menu.
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