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The Intricacy of the Screw Vacuum Pump
The Intricacy of the Screw Vacuum Pump
October 05, 2017

The main component that differentiates screw vacuum pumps from other pumps is the use of two screw rotors. These screw rotors operate or rotate in opposite directions to trap the material to be moved from the cylinder to the discharge area.
 

One of the benefits of having screw vacuum pumps is the low electrical consumption needed to operate them. Another benefit is the low level of heat generated during operation, compared to the other kinds of vacuum pumps. This also results in lower temperatures for the compressed gas released from the unit.
 

Despite the low cooling abilities, a screw vacuum pump still needs a cooling process during operation.


This is done by cooling the actual air that is compressed, thus avoiding the need for any external devices such as a liquid cooling system or fans to keep the temperature levels in check. This uniform air cooling system prevents any unevenly heated or cooled areas throughout the ballast and keeps the compressed material within handling temperatures.


Hydrogen is an extremely fickle material, prone to danger and easily dissipates when handled improperly. A screw vacuum pump has been known to be an ideal tool in handling and delivering hydrogen gas. This is due to the lack of friction or corrosion, as this is a dry vacuum pump. Temperatures are also relatively cool throughout the operation, preventing the gas from reaching flashpoint temperatures. Furthermore, the screw mechanism is hermetically sealed, thus preventing dissipation of the gas during transfer.
 

As can be seen, a screw vacuum pump is one design that provides great benefit for industrial users.


The motion of the screws as they turn opposite each other provides many benefits in operation. This rotary motion requires low electrical requirements, leading to low consumption and lower operational costs. The rotary motion also helps in cooling the screw vacuum pump, which helps keep the compressed gas it holds within manageable conditions.

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