Air blower is the use of external power to make the air pressure machine.This mechanical energy transformation,
that is, through the motor by the electrical energy into mechanical energy, and then through the air blower to
turn mechanical energy into kinetic energy, and then into potential energy, so the air blower is a form of energy
conversion equipment.The gas pressure machine is also a form of energy conversion equipment, and by the electrical
energy to mechanical energy, kinetic energy and potential energy conversion equipment.As a result, they are of the
same type equipment.They have a lot of the same or similar in structure.But the air blower and the gas pressure
machine due to its medium is different, one is the people have been living in the air, and the other is a can make
the person produces poisoning can cause danger such as fire and explosion accident of gas, so in structure also have
their own requirements.Such as:
1. The gas pressure machine on the structure of sealing mechanism is strict, such as using labyrinth seal and seal
oil film and negative pressure seal, flat seal, mechanical seal, etc. Various type of seal, which gas cannot be leaked
out, and the air blower, due to internal working medium is air, so there are a small amount of leakage.
2. On the chassis structure, gas pressure before more machine adopts cast iron parts, and the air blower is mostly
USES the steel plate welding of shell.
3. On the impeller, due to the line will be the corrosive gas such as hydrogen sulfide gas medium. So often with
corrosion resistant alloy steel material, and the air blower impeller material often adopt universal carbon steel.
4. Air blower are mostly adopts centrifugal structure, and the gas pressure machine, besides using centrifugal often
USES the positive displacement, especially for high pressure, the more positive displacement |