The working principle of Roots blower
Roots blower is a positive displacement blower. Its working principle mainly relies on the relative movement of two blade-shaped rotors (usually three-bladed impellers) in the cylinder to compress and transport gas. The specific process is as follows:
The working principle of Roots blower
- Impeller rotation: When the motor drives one of the impellers to rotate, the other impeller will rotate synchronously at the same speed and in the opposite direction through the action of the synchronization gear.
- Gas suction and compression: Since the gaps between the impeller and the impeller, the impeller and the casing, and the impeller and the wall panel are extremely small, a vacuum state is formed at the air inlet during the rotation of the impeller, and the air is sucked into the intake air under the action of atmospheric pressure cavity. As the impeller continues to rotate, two of the blades of each impeller, the wall panel and the casing form a sealed cavity, and the air in the intake cavity is continuously brought to the exhaust cavity by the sealed cavity formed by these two blades. And because the impellers in the exhaust chamber mesh with each other, the air between the two blades is squeezed out.
- Gas discharge: After continuous inhalation and squeezing, air is continuously transported from the air inlet to the air outlet, completing the entire gas transportation process.
Roots blower specifications
LGSR50
LGSR125
Roots blower uses
- Sewage treatment: Roots blowers play an important role in the sewage treatment process. By providing sufficient oxygen, they promote the growth and reproduction of microorganisms, thereby effectively purifying water quality. In addition, Roots blowers can also use airflow to generate eddy currents in the mixing tank and sedimentation tank to evenly mix the sludge, accelerate chemical reactions, and improve treatment effects.
- Aquaculture: Roots blowers are mainly used for oxygen aeration in aquaculture. They provide oxygen through micropore aeration technology to promote biological activities in the water body and improve water quality.
- Pneumatic conveying system: Roots blowers are used to transport powdery materials in pneumatic conveying systems, such as feed, lime powder, monosodium glutamate, soybean skin, silica, etc., as well as grain suction machines or overhead cranes in grain transportation. Vacuum pump.
- Coal Chemical Industry: Roots blowers are used in sewage treatment and different processes in the coal chemical industry to help deal with impurities and suspended solids in wastewater by providing stable compressed air.
- Fine Chemical Industry: In chemical processes and material production, Roots blowers are used in processes such as steaming, drying, and transporting gases, helping to improve the efficiency of chemical reactions.
- Air delivery: Roots blower can be used as the main equipment in the air delivery system, sucking air from one place, compressing it and then sending it to another place.
Roots blower pressure range
According to different usage requirements, the pressure of the Roots blower can be adjusted between 9.8kpa and 200kpa.Within this pressure range, the Roots blower can work normally and meet various process requirements.Specifically, the pressure range of Roots blowers includes:
- Low pressure range: The pressure is lower than 58.8kpa, including 9.8kpa to 58.8kpa.This type of fan usually uses air cooling, and is mostly designed with a single oil tank.
- Medium pressure range: The pressure is between 58.8kpa and 98kpa.This type of fan requires water cooling, and most of them are designed with double oil tanks.
- High pressure range: When the pressure exceeds 98kpa, especially when it exceeds 140kpa, double-stage pressure boosting technology is required to ensure stable operation of the fan under high pressure.
