Centrifugal Exhaust Air Fans

Centrifugal Exhaust Air Fans

This centrifugal exhaust air fan belongs to the dust centrifugal fan type C6-48. It is mainly used to discharge air mixtures such as kapok, fiber and dust. The fan is manufactured with one inlet and is available in seven different sizes, No 3.15, No. 4, No. 5, No. 6, No. 8, No. 10, No. 12.5. If the user needs other sizes, please indicate when purchasing.
Product description

Product introduction:

This centrifugal exhaust air fan belongs to the dust centrifugal fan type C6-48. It is mainly used to discharge air mixtures such as kapok, fiber and dust. The fan is manufactured with one inlet and is available in seven different sizes, No 3.15, No. 4, No. 5, No. 6, No. 8, No. 10, No. 12.5. If the user needs other sizes, please indicate when purchasing.

Product features:

1. The centrifugal exhaust air fans can be made from two types of rotation, left and right. The exit position of the fan can be expressed from the outlet angle of the casing. It can be from the "right" two angles of 0 °, 45 °, 90 °, 135 °, 180 °, 225 ° six angles. The fan consists of an impeller, a casing, a water inlet, and a diving device.

2. The impeller consists of ten blades that are bent backwards. The blades are welded between the conical cover and the flat plate to ensure smooth operation after static and dynamic balancing. The outer casing is welded into a volute by ordinary steel plates to protect the components inside the equipment and prolong the service life.

3. The inlet of centrifugal exhaust air fans is integrated into the converging streamlined structure and bolted to the front cover. The drive unit consists of a spindle, a bearing housing, and a pulley. The shaft is made of super steel and the bearing housing is of integral construction with rolling bearings. The shaft is lubricated with grease.

Performance and choice:

Only the dimensionless performance tables and curves for the No. 10 samples are given. Infer other performances from it.

The formula for calculating the dimensionless performance curve is:

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微信图片_20181205195943

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Fig.1  Non-dimensional performance curve of type C6−48 №10

Table.2  motor conservative factor

Shaft power(kW)

<0.5

>0.5~1

>1~2

>2~5

>5

K value

1.5

1.4

1.3

1.2

1.15

The performance of The fan normally indicates the performance of transferring air under the standard state. The standard state indicates atmospheric pressure Pa=101325Pa, atmospheric temperature t=20℃, relative humidity X=50%, air density ρ=1.2 kg/m3.

If it is in non-standard state when operating, the performance of non-standard standard state must be converted to the performance of standard state. And then select fan according to the converted performance. The converting formula is as follows:

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Where:

ηin  — Inner efficiency
n — Speed(r/min)
With footnote 0 symbolizes the standard state, without footnote 0 symbolizes the service state.

Supply scope of fan unit:
One fan, one mating motor, a pair(two sets) of motor slide rail, a set of foundation bolts ( 4 sets for №3.15~6.3 and 8 sets for №8 and above), one motor pulley and a pair of triangle belt.

Purchase information:
When purchasing, indicate the size, speed, pressure, flow, discharge angle and rotating direction of the fan, and the model, power, and speed of the motor.

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