Stainless steel fan

Stainless steel axial flow fan

Product description: 1. High exhaust efficiency, good ventilation and cooling effect.
2. The service life is longer, the stainless steel fan can better resist external erosion, and the surface of the equipment will
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Structure

1. Stainless steel axial flow fan is mainly composed of impeller, casing, air inlet, motor, connector, heat dissipation fan blade and other parts.

2. The impeller adopts multi-blade single-feed centrifugal impeller, stainless steel axial flow fan parameters, made of excellent galvanized sheet or cold-rolled steel plate, and the blade is designed according to the aerodynamic principle. The impeller consists of 10 backward inclined airfoil blades, a curved front disc and a flat rear disc. The material is made of high strength and excellent steel plate with good durability, and is corrected by strict dynamic and static balance. Good air performance and smooth operation.

3. Stainless steel axial fan in order to reduce local resistance, in fact, it is important to improve the local resistance of the cross-section of the change form, reduce the local resistance of the wind flow is generated by the violent impact and huge vortex. To reduce the energy loss of wind flow, the main treatment measures should be treated through the above introduction and 1.1 points. Under possible conditions, the string of mine cars should not stay in the main ventilation roadway for a long time, so as not to block the wind flow and worsen the ventilation condition.

Product parameters

Spindle Speed (r/min)	Air Volume (m³/h)	Full Pressure (Pa)	Number of motor stages (P)	Noise dB(A)	Power (kw)
2900	4285	242.5	2	53	0.55
1450	2267	60.6	4	41	0.06
1450	4959	107.7	4	47	0.25
960	3427	47.2	6	40	0.18
1450	9752	168.2	4	54	0.55
960	6635	73.7	6	43	0.25
1450	17200	242.3	4	58	2.2
960	11390	106.2	6	49	0.75
960	18560	144.5	6	54	1.5

Working principle

1. Stainless steel axial fan blades work in a similar way to the wings of an airplane. But the latter acts lift upwards on the wings and supports the weight of the aircraft, while the axial fan fixes the position and moves the air.

2. The cross section of the axial flow fan is generally the wing section. The vanes may be fixed in position or rotatable about their longitudinal axis, and the angle of the vanes to the flow or the pitch of the vanes may be non-adjustable or adjustable. Changing the blade angle or pitch is one of the main advantages of axial flow fans.

3. Axial fan, also called local fan, is the 1 kind of fan commonly used in industrial and mining enterprises. An is different from the general fan, its motor and fan blades are in a cylinder, the shape is a cylinder, for local ventilation, easy to install, ventilation effect is obvious, safe, the air can be sent to the designated area.

Precautions

1. When the stainless steel axial flow fan is started, monitor whether there is any abnormal phenomenon in each part. If there is any abnormal phenomenon, stop immediately.

2. When the axial flow fan is started, it is forbidden to enter the surge condition.

3. When adjusting the blades after the axial flow fan is started, it should be noted that the current should not exceed the rated value of the motor.

4. The normal working temperature of the shareholder bearing shall not exceed 70 ℃, the maximum temperature shall not exceed 95 ℃, the maximum temperature rise shall not exceed the ambient temperature 55 ℃, and the normal working temperature of the sliding bearing shall not exceed 75 ℃.

5. The root mean square vibration speed of the axial fan bearing shall not exceed 6.3 mm/s. For the fan whose bearing box is installed in the casing, the vibration value can be measured on the casing.

6. After the temperature rise of the main bearing is stable, the test run time shall be at least 8h. After shutdown, check the tightness of the pipeline, the clearance of the blade and the tightness of the screw and nut.

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