5-48-11 Series Industrial centrifugal ventilation fan
5-48-11 type centrifugal fan mainly with arc furnace fume purifying device for smoke emission requirements, improve the working environment of a workshop, to ensure that the provisions of the work area of electric furnace dust concentration reach the sanitary standard of industrial enterprises and design, but also can be used for various occasions the same other performance requirements.
This series of fans consists of 5. 5, 5. 5, 6, 10. 5, 10. 5, 11. 5, 5. 5 and 12. 5 units. Fan can be made into left-handed and right-handed two types. From the motor the impeller clockwise rotation of the right-hand rotation, with "right". Anti-clockwise rotation for the left to the "left". Fan outlet position in the shell of the air outlet angle. "right left" can be made into 0 degrees or 90 degrees. 180 degrees. Three angles. This series of fans are all D drive.
The series of products are designed according to the similar dimensionless characteristics of Y5-47, that is, the original Y5-47 has the characteristics of simple structure, high efficiency and low noise. And the characteristics of electric furnace dust add plate type and plum petal type adjustment door, so that the fan can work in a wide range of flow.
The fan adopts conical front plate blade and convergent circular arc inlet, which forms a reasonable flow passage part to reduce the eddy current zone. The fan has less internal loss and slightly higher noise than 80 dB. The highest total pressure efficiency is 90 according to the standard of the first machine department.
Considering the reliability and advanced nature of regulation, the adjusting door of this product adopts external transmission structure, which can be adjusted manually. And the user can also be automatically adjusted by the angular displacement actuator (from top to down is to complete the whole closed to the full open adjustment process), the adjustment range is 0 degrees-90 degrees.
According to the arc furnace dust slightly weak rot characteristics, according to the actual needs of the product impeller, housing, air inlet, regulating door and other parts. Two different materials, 1Cr18Ni9Ti and 16mn, can be used to expand the adaptability of the products.
In order to meet the high temperature requirements of electric furnace dust medium and prolong the service life of the products, the following measures have been taken for the cooling and lubrication of this series of products.
Cooling: a cast aluminum air-cooled wheel is installed between the rear side plate of the housing and the bearing box to reduce the temperature of the bearing box and ensure the specified range of the temperature rise of the axle box.
Lubrication: use molybdenum disulfide high temperature grease.
Taking into account the operation characteristics of the fan away from the electric furnace, to ensure the operation of the motor, a JD-I three-phase asynchronous motor phase break protector can be equipped to prevent the burning of the motor.
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