Shenyang ventilation pipeline How to reduce noise during processing?

Ventilation duct The system operation noise generally comes from the following aspects: vibration of air duct. Because the air duct data are galvanized sheet or metal data, the steel plate thickness and construction technology should be selected strictly according to the construction inspection standards during construction, such as air duct manufacturing errors, straightness, air duct reinforcement, support and hanger selection and manufacturing equipment.

The ventilation pipes with different raw materials have different quality of ventilation pipes for a long time. For example, the ventilation pipes are mostly hollow, so the raw materials of ventilation pipes are generally round or square. Now Shenyang ventilation pipe processing manufacturers will come together to briefly understand the raw materials and uses of ventilation pipes.

First, the ventilation ducts are divided by raw materials: generally, there are marine galvanized sheet air ducts, stainless steel ventilation ducts, fiberglass ventilation ducts, plastic ventilation ducts, composite data ventilation ducts, color steel sandwich insulation board ventilation ducts, adhesive coated ventilation ducts, mining plastic ventilation ducts, etc;

Next, let's look at the disposal of ventilation pipes: generally, there are purification system supply and return air pipes, central air conditioning ventilation pipes, industrial supply and exhaust air pipes, environmental protection system suction and exhaust air pipes, mining gas drainage pipes, mining adhesive coated air ducts, etc;

According to the shape, the ventilation ducts are generally round, rectangular, spiral, etc;

Assuming that the number of elbows can be increased and the noise can also be reduced, the tuyere is equipped with a filter screen, and the noise control effect is also very good. The sound of the fan. We can generally install a muffler to deal with the conflicting sound of wind in the air duct. Generally, the noise problem should be considered in the planning stage, and the wind speed in the pipe should be planned and controlled to avoid wind whistling.

1、 Spiral duct The corner of air duct shall be cut as far as possible.

2. The flexible joint equipment is standard, so as to avoid wind resistance and wind noise caused by the looseness of the flexible joint canvas.

3. The dynamic balance calibration of the impeller system of the spiral duct fan is reasonable, and the positive and negative values are not more than 5 wires.

4. Control the distance of air outlet and return to avoid self-excited appearance and small circulation space during air convection.

5. The suspension adopts the special connector for spring shock absorption to reduce the bounce or common frequency caused by torsion during operation.

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