It is a commonly used ventilation on the roof.It is a special type of shaft flow.Its operating principle is the same as the axis flow.It is widely used in oil, chemical, textiles, metallurgy, power plants, mechanical workshops, laboratories, warehouses, pharmaceuticals, food processing and other factory and mining companies.
Preparations before installation: 1. Before installation, you should understand the instructions of the axis flowers and find out the ventilation system map of the fan.After the device arrives, open the box to check whether the fan part is complete and whether the outside of the shell is damaged.Pay special attention to whether the rectifier is damaged and deformed, whether the parts are tightly connected, and whether the leaves and motors are available.When damage, the leaf wheels rotate sensitive. If the problem is found, the relevant units should be replaced in time.2. View the foundation of the device of the fan: When the fan is running, it is necessary to have sufficient strength and rigidity to ensure that it can withstand the load. To check whether the connection scale between the foundation and the fan is satisfied with the design requirements: TS, hole scale, etc.The bottom of the device should not have cracks, fall off and expose steel bars.The height and mid -line of the foundation should be within the allowable error range of the skill file rules.
3. Fundamental resettlement: It is necessary to measure the coordinates and horizontal high -range points provided by civil engineering according to the requirements of the drawings.Use the level and the whole station to measure the high -end and coordinates of each device point.The interspersed central line of each device is released according to axis.
Treatment and hanging of the fan:
1. First of all, all four bearing fans are hung to the roof by the tower crane.The tie of the rope will not damage the surface of the machine.Rotors, necks and sealing should not be used as installations.2. Open the corresponding roof position and cut color steel tiles.3. According to the slope of the roots of the roof device, it is necessary to ensure that the level of the device of the fan is straight.The roof of this project uses a steel structure as the structure of the axis flower.4. Before the fan is in place, it is necessary to remove the oil, paint and debris on the surface of the root.Check whether the root of the blade is damaged and whether the nuts are loose.