Roots vacuum pump blower, commonly referred to as Roots blower or Roots blower, is a type of rotary compressor. The following is a detailed introduction to the Roots vacuum pump blower:
1、 Working principle
Roots blower belongs to the positive displacement blower, and its core working principle lies in the clever design of a pair of blade shaped rotors. These two rotors engage in a "meshing" motion within the cylinder, although there is a gap between them, they do not come into contact with each other. Through the transmission of a pair of synchronous gears, these two rotors rotate in opposite directions, thereby pushing the inhaled gas from the intake port to the exhaust port without internal compression. At the moment when the gas reaches the exhaust port, due to the reflux effect of high-pressure gas on the exhaust side, the gas is pressurized, thereby achieving gas delivery.
2、 Main features
1. Simple structure: Roots blower has a compact design, easy manufacturing, and is suitable for large-scale production.
2. Widely applicable: Especially suitable for gas transmission and pressurization in low-pressure environments, and can also be used as a vacuum pump to meet diverse application needs.
3. Transport cleaning: The two rotors are not in contact with each other and are sealed by tightly controlled gaps, so the discharged gas is not contaminated by lubricating oil.
4. Stable performance: When the pressure is adjusted within the allowable range during use, the flow rate changes very little, and it has the characteristic of forced gas transmission.
3、 Performance parameters
The main performance parameters of Roots blower include speed, pressure, flow rate, shaft power, and exhaust temperature.
1. Speed: The speed at which the active shaft of the blower rotates per unit time is called the speed of the blower. The units are r/s and r/min.
2. Pressure: The gas pressure at the inlet and outlet flanges of the blower, known as intake pressure and exhaust pressure. For Roots blowers, pressure usually refers to static pressure. Commonly used units are Pa and kPa.
3. Flow rate: The mass or volume of gas passing through a specified section of a blower per unit time is called the mass or volume flow rate of gas passing through that section. The commonly used units are m3/s and m3/min.
4. Shaft power: The power transmitted from the prime mover to the active shaft of the blower is called the shaft power of the blower. The commonly used units are w and kw.
5. Exhaust temperature: The temperature of the gas outside the flange of the blower inlet and outlet, known as the intake temperature and exhaust temperature.
4、 Application Fields
Roots blower performs well in low-pressure environments and is commonly used for gas transportation and pressurization tasks. At the same time, it can also be used in vacuum pumping and other processes. Specific application areas include but are not limited to:
1. Wastewater treatment: used for aeration, providing sufficient oxygen, promoting the growth and reproduction of microorganisms, thereby improving the efficiency of wastewater treatment.
2. Aquaculture: As an aerator, it provides sufficient oxygen to fish ponds, improving the survival rate and growth rate of fish.
3. Pneumatic conveying: used for conveying granular materials, it has the advantages of long conveying distance, high efficiency, and low energy consumption.
4. Chemical, casting, flour and other industries: used for gas compression and transportation to meet the needs of production processes.
5、 Famous brand
In the field of Roots blowers, there are many well-known brands, such as Zhangqiu Changsheng Machinery Manufacturing Co., Ltd. These brands enjoy a high reputation in the market, with stable and reliable product performance, and are widely used in various fields.
In summary, Roots vacuum pump blowers play an important role in industrial production due to their unique working principle, wide range of applications, and excellent performance.
