| Customization: | Available |
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| Usage: | Lime Rotary Kiln |
| Flow Direction: | Centrifugal |
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Backforward blade high power high flow low-noise cement kiln centrifugal fan
Pursue excellent quality, make perfect product!
1. Applications for Backforward blade high power high flow low-noise cement kiln centrifugal fan
♦ Materials ventilating and drying.
♦ Brick kiln cooling, High temperature of finished product cooling of brick kiln and various kilns, Industrial equipments cooling and heat dissipation.
♦ Air purification and industrial waste gas treatment.
♦ Air purification of hazardous working environment (Paper making production line, Electrolytic aluminium production line, Textile mill…).
♦ 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 waste gas dust collecting.
♦ Industrial kilns
Air supply of Cement rotary kiln, Lime rotary kiln, Nickel iron rotary kiln, Clay sand rotary kiln, and other various calcining kilns.
The clinker cooling of Cement rotary kiln, Lime rotary kiln, Nickel iron rotary kiln, Clay sand rotary kiln, and other various calcining kilns.
♦ Energy and power
Thermal power plant, Garbage incineration power plant, Biomass fuel power plant.
♦ Metal smelting
Furnace coke production(Furnace coke oven), Electrolytic aluminium production line air purification system.
♦ Gas and materials delivery
General air delivery, High-temperature air delivery, Corrosive gas delivery, Gas mixed with impurity delivery.
Delivery of coal powder, Particle material/ Powder material/ Fragment materials/Fiber materials.
♦ Other
Recovery of industrial waste gas.
2. Characteristics for Backforward blade high power high flow low-noise cement kiln centrifugal fan
♦ Can work in higher temperature condition stably, and output larger air flow volume on condition of meeting the pressure's requirement, low noise.
♦ Adopt detachable design for fan system, greatly reducing the transportation cost.
♦ Installation numbers for every part,can smoothly complete system Trial assembly under the direction of manual.
♦ Providing on-site guidance services.
♦ 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.
♦ 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.
♦ Selecting high efficiency energy saving motor of Chinese leading motor manufacturer( or customer required), reliable quality, low energy consumption.
♦ 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.
♦ Trial assembly after finishing production,ensuring no interference between components.
3. Structure for Backforward blade high power high flow low-noise cement kiln centrifugal fan
♦ Impeller Type: Backward Blade
♦ Driving Mode: Coupling drivetrain
♦ System Type: Single inlet type/Double inlet type, Center impeller 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, Inlet Box, Damper,
Inlet & Outlet pipeline compensator, Inlet & Outlet flange,
Main shaft, Bearing, Bearing housing,
Bearing housing base, Pin coupling, Foundation bolt.
♦ Optional Components:
Protective screening, Silencer, Damper, Electric actuator, Diaphragm coupling, Gear coupling, Fluid coupling,
Motor rain cover, Temperature sensor, Vibrating sensor, Soft starter, Inverter, Special Electrical Motor,
System monitoring Instrument, Lube system, Overhead lube tank, Turning gear...
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.
| series | model | Rotation Speed (r/min) |
Total Pressure (Pa) |
Air Capacity (m³/h) |
Power (kW) |
| 4-10 | 8D | 1450 | 2104~1400 | 16156~30993 | 18.55 |
| 9D | 960 ~ 1450 | 775 ~ 2668 | 15229 ~ 44128 | 11 ~ 37 | |
| 10D | 730 ~ 1450 | 553 ~ 3301 | 15886 ~ 60533 | 7.5 ~ 55 | |
| 11D | 730 ~ 1450 | 669 ~ 4003 | 21144 ~ 80570 | 11 ~ 90 | |
| 12D | 730 ~ 1450 | 797 ~ 4777 | 25661 ~ 104600 | 15 ~ 132 | |
| 14D | 730 ~ 1450 | 1086 ~ 6541 | 43591 ~166100 | 37 ~ 315 | |
| 16D | 580 ~ 960 | 895 ~ 3709 | 51699 ~ 164150 | 45 ~ 185 | |
| 18D | 580 ~ 960 | 1133 ~ 4710 | 73610 ~ 233730 | 75 ~ 280 | |
| 20D | 580 ~ 960 | 1400 ~ 5837 | 100970 ~ 320610 | 110 ~ 520 | |
| 22D | 480 ~ 960 | 1216 ~ 6865 | 116000 ~ 434000 | 140 ~ 850 | |
| 25D | 480 ~ 730 | 1579 ~ 5138 | 171000 ~ 484000 | 165 ~ 700 | |
| 28D | 375 ~ 730 | 1205 ~ 6400 | 187000 ~ 680000 | 320 ~ 1250 | |
| 29.5D | 596 ~ 745 | 3236 ~ 7218 | 348000 ~ 810000 | 800 ~ 1600 |
5. Production Process
Design, Raw material cutting, Pressing formation, Welding,
Machining of shaft, Annealing of Impeller,
Dynamic balancing of impeller, Assembly, Sandblasting, Paint, Packing.
6. Quality control procedure
Material strength test, Material composition analysis, Dimension inspection,
Ultrasonic weld inspection, Dynamic balancing test, Paint thickness measuring.
7. How to order?
Please click "How to order" on the top of main menu.
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