The device shown in the picture is a Centrifugal Blower or Electric Air Blower.
Some information about the device:
Model & Type: This is a Centrifugal Blower from the CZR series.
Power: 750 Watts (750 W).
Voltage: 220 Volts (220 V), 50 Hz.
Speed: 2850 RPM (Rotational Speed).
Usage: It is generally used to supply air at high pressure in specific locations. For example—keeping fires burning or blowing air in blacksmiths' forges or furnaces, exhausting air or smoke in factories or workshops, or used in drying processes in various industrial factories.