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The main medium of the Roots blower
Release time:
2019-09-19
The Roots blower conveys clean air, clean gas, sulfur dioxide, and other inert gases, making it the preferred product for special gas industries (such as gas, natural gas, biogas, carbon dioxide, sulfur dioxide, etc.) and high-pressure conditions. Given these characteristics, it can be widely adapted to the metallurgy, chemical, fertilizer, petrochemical, instrumentation, and building materials industries. According to the shape of the rotor, Roots blowers are divided into two-lobe and three-lobe types. The three-lobe rotor performs three suction and discharge cycles with two rotors for each rotation. Compared to the two-lobe type, it has less gas pulsation, lower vibration, and lower noise. The speed ranges from 150 to 3000 revolutions per minute. The flow rate is from 0.15 to 1200 cubic meters per minute, the pressure ranges from 9.8 to 196 kilopascals, and the power ranges from 0.75 to 1000 kilowatts, with a single machine weight of 100 to 9000 kilograms. The most significant feature of the Roots blower is that when the pressure is adjusted within the allowable range, the flow variation is minimal, and the pressure selection range is very wide, with a characteristic of forced gas delivery. The medium conveyed is oil-free. It has a simple structure, easy maintenance, long service life, and low overall vibration. Vacuum pump. Due to periodic suction and discharge and instantaneous isothermal compression, there is a pulsation of gas flow velocity and pressure, which generates significant gas dynamic noise. Additionally, the gaps between the rotors and between the rotor and the cylinder can cause gas leakage, thus reducing efficiency. The discharge volume ranges from 0.15 to 150 cubic meters per minute, with a speed of 150 to 3000 revolutions per minute. The single-stage compression ratio is usually less than 1.7, with a maximum of 2.1, and can be used in multi-stage series. The Roots blower relies on the synchronous gears at the rotor shaft ends to keep the two rotors meshed. Each concave curved surface on the rotor forms a working volume with the inner wall of the cylinder, carrying gas from the intake port during the rotor's rotation. When it moves near the discharge port and connects with it, the pressure of the gas with higher pressure flows back, causing a sudden increase in pressure within the working volume, which then delivers the gas to the discharge channel. The two rotors do not contact each other; they achieve sealing through a precisely controlled gap, ensuring that the discharged gas is not contaminated by lubricating oil.
Roots BlowerThe medium being transported is clean air, clean gas, sulfur dioxide, and other inert gases, making it the preferred product for special gas industries (gas, natural gas, biogas, carbon dioxide, sulfur dioxide, etc.) and high-pressure conditions. Given these characteristics, it can be widely adapted to the metallurgy, chemical, fertilizer, petrochemical, instrumentation, and building materials industries.
According to the shape of the rotor, Roots blowers are divided into two-lobe and three-lobe types. The three-lobe rotor performs three suction and exhaust cycles for every rotation, using two rotors. Compared to the two-lobe type, it has less gas pulsation, lower vibration, and lower noise.
The speed is 150 to 3000 revolutions per minute. The flow rate is 0.15 to 1200 cubic meters per minute, the pressure is 9.8 to 196 kilopascals, the power is 0.75 to 1000 kilowatts, and the weight of a single machine is 100 to 9000 kilograms.
The characteristic of the Roots blower is that when the pressure is adjusted within the allowable range, the flow variation is minimal. It has a wide pressure selection range and features forced gas delivery. The medium being transported is oil-free. It has a simple structure, convenient maintenance, long service life, and low overall vibration.
Vacuum pump. Due to periodic suction and exhaust and instantaneous isothermal compression, there are pulsations in gas flow speed and pressure, which can generate significant gas dynamic noise. Additionally, the gaps between the rotors and between the rotor and the cylinder can cause gas leakage, reducing efficiency. The exhaust volume is 0.15 to 150 cubic meters per minute, and the speed is 150 to 3000 revolutions per minute. The single-stage compression ratio is usually less than 1.7 and can be used in multi-stage series.
The Roots blower uses synchronous gears at the rotor shaft ends to keep the two rotors meshed. Each concave curved surface on the rotor forms a working volume with the inner wall of the cylinder. During the rotor's rotation, gas is drawn in from the suction port, and when it moves near the exhaust port and connects to it, the pressure of the gas backflow increases suddenly, raising the pressure in the working volume, which then delivers the gas to the exhaust channel. The two rotors do not contact each other; they achieve sealing through a precisely controlled gap, ensuring that the discharged gas is not contaminated by lubricating oil.
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No. 1-3, West First Road North, Fenghuangshan Industrial Park, Puji Street, Zhangqiu District, Jinan City, Shandong Province
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