Industrial Long Life Blast Furnace Boiler Fan Explosion Proofing
Introduction
Mainly to meet the dust emission requirements of the electric arc furnace exhaust gas purification equipment, improve the workshop environment, to ensure that the dust concentration in the electric furnace working area meets the “sanitary standards for industrial enterprises”, and can also be used in various occasions with the same functional requirements.
The 5-12 series centrifugal fan is an enhanced version of the 5-11 series medium pressure centrifugal fan.
It has a larger output flow than the 5-11 series. It is also used to transport a variety of common gases and hard materials in the industrial field, the application object is exactly the same as 5-11 series fan.
Mainly circulating fluidized bed system, smoke exhaust, material drying, industrial dust collector / filtration system, flue gas desulfurization, flue gas denitrification, industrial boiler induced air, cement production line, industrial waste heat recovery device, mineral powder sintering ( sintering machine), Coke production (coking furnace), etc, is especially suitable for various harsh conditions such as high temperature, wear and corrosion.
Product features
1. It is capable of outputting a higher outlet pressure while providing more gas flow with lower noise. Stable operation at higher media temperatures.
2. The fan speed can be flexibly set by matching different pulley diameters to make the fan run at the highest efficiency point and reduce energy waste.
3. Motor sliding guides are provided for easy tensioning of the belt to reduce energy loss due to belt slack.
4. The bearing housing is reserved for temperature and vibration sensor mounting positions, for convenient to install the fan operation monitoring device.
5. Use liquid lubricant, it is not necessary to open the bearing housing to replace and fill the oil. The bearing housing is provided with an observation window for easy observation of the quality and stock of the lubricating oil.
6. The bearing housing uses a labyrinth mechanical seal, a unique Leak proof oil design inside, a vent hole at the top, and a sealant on the joint, completely eliminating the possibility of oil leakage in the bearing housing.
7. The impeller is annealed to completely eliminate the internal stress generated during welding, ensuring that the impeller does not undergo creep and cracks.
8. The impeller is subjected to a high standard of dynamic balance correction to ensure stable operation of the fan.
9. After the production is completed, all products are tested for running and vibration values for reliable operation.
Technical data
| Series no. | 5-12 series | Feature selection |
| Normal | anti-corrosion | wear-resisting | High temperature | anti-explosion | Remarks |
| Performance | Impeller diameter | 400-3300mm | |
| Rotation speed | ≤4000rpm | |
| Pressure range | 684-8687Pa | |
| Flow range | 590.4-700735㎥/h | |
| Structure | Blade type | Backward, Straight, Aerofoil type | |
| Impeller support | SWSI(Single Width, Single Inlet), DWDI(Double Width, Double Inlet), Overhung type | |
| Lubrication method | Oil bath lubrication, grease lubrication, lubrication oil station | Can be specified |
| Cooling method | Air cooling, Water cooling, Oil cooling | Can be specified |
| Driven mode | Direct driven, Coupling driven, Belt driven | Can be specified |
| Gas composition | Gas temperature | Normal | Customer request | Customer request | ≥250℃ | Customer request | |
| gas characteristic | Clean gas | Corrosive gas | Particulate dust | High temperature gas | Flammable gas, explosive gas | |
| System configuration | Motor brand | Chinese famous brand, ABB, Siemens, WEG etc | Can be specified |
| Impeller | High quality carbon steel | FRP, Stainless steel, Rubber Lining | Wear-resistant layer or wear-resistant liner, ceramic patch | High temperature high quality alloy steel | FRP, Aluminum alloy | Can be specified |
| Air inlet cone | High quality carbon steel | FRP, Stainless steel, Rubber Lining | High quality carbon steel | High quality carbon steel | High quality carbon steel | Can be specified |
| Casing | High quality carbon steel | FRP, Stainless steel, Rubber Lining | High quality carbon steel | High quality carbon steel | High quality carbon steel | Can be specified |
| Air damper | High quality carbon steel | FRP, Stainless steel, Rubber Lining | High quality carbon steel | High quality carbon steel | High quality carbon steel | Can be specified |
| Main shaft | High strength carbon steel, Alloy structural steel | Can be specified |
| Bearing | ZWZ, SKF, FAG, NSK | Can be specified |
| Bearing housing | Cast iron | |
| Foundation bolts | GB799-1988 | |
| Option parts | System base frame, Protective screening, Silencer, Inlet & Outlet flexible connections, Inlet & Outlet counter flange, Air damper, Electric actuator, Shock absorber, Diaphragm coupling, Fluid coupling, Motor rain cover, Temperature sensor, Vibration sensor, Soft starter, Inverter, Special Electrical Motor, System monitoring Instrument. |
Product Features
Provide factory measurement performance, vibration, and test report to prevent failure and ensure the operation of the fan in good condition.The converging and streamlined air inlet is made into a unitary structure and bolted to the inlet side of the fan.
FAQ
1,What parameters need to be provided when you design the industrial centrifugal fans?
A: Air flow, total pressure or static pressure, inlet temperature, local voltage and frequency, Altitude etc.
If there is flammable and explosive gas, or big dust loading in the medium, please also inform the designer.
2,How about your company’s pre-sales service and after-sales service?
A: Before our cooperation, we have the professional technical team to help you make the technical solution according to your working condition, to make sure the centrifugal fan efficiency operation.
After sales service, we will offer 12 months’ repairing service, and provide lifelong follow-up services. Besides, our engineers are available for going abroad to offer the repairing service.
3,Does your company have qualifications?
A: SIMO Blower has obtained ISO 9001-2008, CE, TUV certifications and so on.
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