What is the principle of roots blower?
2021-08-19
Summary
Roots blower is a volumetric fan, impeller end, blower before and after the end of the seal. The principle is a rotary compressor that uses two vane-type rotors to perform relative movement in the cylinder to compress and transport gas. The blower is simple in structure and convenient to manufacture. It is widely used in aquaculture oxygenation, sewage treatment aeration, cement transportation, and can be used as a gas transportation and pressurization system more suitable for low pressure conditions, vacuum pumps, etc.

Roots blower is a volumetric fan, impeller end, blower before and after the end of the seal. The principle is to use them two vane type rotor working in the cylinder to study the relativist motion of the compression and transport of gas rotary compressor. The utility model has a simple structure and is convenient to manufacture. Widely used in aquaculture oxygen enrichment, sewage treatment aeration and cement transportation. It can be used as gas transportation, pressure system, vacuum pump, etc.
what is the composition of the roots blower?
The Roots fan consists of 5 parts: shell, wall panel, impeller, fuel tank and muffler.
Shell: The main development plays an important supporting role (wall panels, impellers, silencers) and fixed assets.
Wall plate: mainly used for the connection between the shell and the impeller to support the rotation of the impeller and produce the end face sealing effect.
Impeller: The rotating part of the Roots blower is divided into left and right two leaves and three leaves, but the three leaves have many advantages such as low air pressure, low noise and smoother operation than the two leaves, and have gradually developed to replace the Yangye Roots blower.
Fuel tank: mainly can be used to carry out storage system lubrication gear and bearing lubricating oil.
Silencer: used to reduce the noise caused by airflow pulsation when the roots blower enters and exits.
What is the principle analysis of Roots blower?
The lotz fan is a kind of positive displacement fan. In the sealed space between the housing and the wall panel, the two three-leaf blade impellers rotate relative to each other. Because each impeller uses an involute or outer wheel envelope, each The three blades of the impeller are exactly the same, and the two impellers are exactly the same, which can greatly reduce processing difficulties. Impeller can be used in the processing of numerical control technology equipment, in the middle of the two impellers in the case of the same distance we, no matter which important position they rotate to the two impellers, can keep the enterprise a certain small spacing, to ensure that the leakage of gas within the allowable range.
Impeller and impeller, impeller and casing, th Then, the two selection blades, wall plates and housing of each impeller can form a sealed cavity, and the air inlet is passed through the impeller while rotating, and the hole sealed by the two blades is continuously formed. Therefore, the air between the two blades is squeezed to make it continue to move, and the air is continuously transported from the air inlet to the discharge port. This is the entire working process of the Roots fan.
What are the characteristics of the roots blower?
Due to the use of three-blade rotor system structure design and reasonable use of the structure of the entrance and exit in the shell, the fan has little vibration and low noise.
The impeller and shaft are the overall economic structure, the impeller does not wear, the fan performance remains unchanged, and continuous management can be carried out for a long time.
The fan has high volume utilization rate, high volume efficiency, small structure and flexible installation mode.
The model is complete and can be used to meet other student users of the enterprise.
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