SR type Roots blower is a common ventilation equipment, and the following is a detailed introduction to it:
1、 Working principle
SR type Roots blower, especially the three bladed Roots blower, mainly uses two three bladed rotors to compress and transport gas through relative motion in the cylinder. This type of fan relies on synchronous gears at the rotor shaft end to keep the two rotors engaged, and each concave curved surface on the rotor forms a working volume with the inner wall of the cylinder. During the rotation of the rotor, the working volume takes away gas from the suction port. When it moves to the vicinity of the exhaust port, it connects with the exhaust port and delivers the gas to the exhaust channel. The two rotors work alternately in sequence and do not come into contact with each other. They are sealed by tightly controlled gaps, so the discharged gas is not contaminated by lubricating oil.
2、 Characteristics
1. The Roots blower has the characteristics of high air volume and high air pressure, which can meet the needs of various industrial applications.
2. Low noise: Due to the use of a three blade rotor structure and a reasonable structure at the inlet and outlet of the housing, the fan has low vibration and noise.
3. Long service life: The impeller and shaft are an integral structure, and the impeller has no wear. The performance of the fan remains unchanged and can operate continuously for a long time.
4. Compact structure: The fan has a high utilization rate of volume, high volume efficiency, and a compact structure, with flexible and versatile installation methods.
3、 Application Fields
The SR type Roots blower is widely used in multiple fields due to its advantages of simple structure, convenient manufacturing, smooth operation, and stable performance
1. Wastewater treatment: In the aeration system of wastewater treatment plants, Roots blowers inject gas into the aeration tank to promote biodegradation and oxidation processes in wastewater. Meanwhile, it can also be used for processes such as coagulation and stirring of wastewater.
2. Pharmaceutical and chemical industries: In the pharmaceutical and chemical fields, Roots blowers can be used to provide stable airflow for drying, mixing, and conveying materials such as powders and particles. In addition, it can also be used for pneumatic conveying of reaction gases and participating materials.
3. Food processing: Roots blowers are commonly used in food processing for dehydration, drying, cooling, and other processes to help process food and its raw materials, ensuring the quality of food.
4. Environmental protection: In the field of environmental protection, Roots blowers can be used for the purification treatment of adsorbed exhaust gases or emitted gases, helping to reduce industrial emissions that pollute the environment. In addition, it can also be used in processes such as dust removal, desulfurization, and denitrification.
5. Paper making and printing: During the paper making process, Roots blowers can be used for drying and curling of paper. In the printing industry, it can be used for drying printed materials.
6. Oil and gas: Roots blowers can be used in the oil and gas industry to provide pressure or vacuum, meeting the needs of refining, oil and gas transportation and processing, compressed gas and other processes.
7. Aquaculture: Roots blowers are commonly used for oxygenation in aquaculture. By delivering air to the aquaculture water, the oxygen content in the water is increased, water quality is improved, and a good growth environment is provided for aquatic organisms.
In addition, SR type Roots blowers can also be applied to multiple industries such as cement conveying, pneumatic conveying, grain processing, printing and dyeing, playing an important role in gas conveying, pressurization, ventilation, and other aspects.
4、 Precautions for use
1. The working environment temperature of Roots blower should not exceed 40 degrees Celsius. If it exceeds this temperature, measures should be taken to cool it down in order to extend the service life of the blower.
2. The basic design should comply with the relevant regulations of the national mechanical equipment installation engineering, and the foundation should be built on hard soil, with a height above the ground and a moderate depth. The foundation shall not be connected to other buildings or wall foundations, and the foundation shall be firm to meet the needs of maintenance and dismantling.
3. Before installation, foreign objects such as welding slag in the pipeline must be present, and the valve must be fully open, otherwise the Roots blower may be overloaded and damaged.
In summary, the SR type Roots blower plays an important role in multiple industrial fields due to its energy, low noise, and long service life. When using, it is necessary to follow the operating procedures and maintenance requirements to ensure the normal operation and long-term stability of the fan.
