Product
Special sealed Roots blower
Special sealed Roots blowers refer to models that are specially designed and improved based on standard Roots blowers for specific application environments or media characteristics. This type of blower uses more advanced sealing technology, such as mechanical seals, labyrinth seals or other forms of special sealing structures to ensure safety when handling special gases (such as corrosive, flammable, explosive, toxic and harmful gases) and reliability. They can not only effectively prevent external impurities from entering the body, but also prevent the internal working medium from leaking, ensuring the quality and safety of the output gas. Therefore, special sealed Roots blowers are widely used in various industrial fields that have extremely high requirements for sealing performance.
Principle
The working principle of the special sealed Roots blower is similar to that of the conventional Roots blower, that is, a pair of synchronized gears drive two "8"-shaped three-blade rotors to rotate in the cylinder without direct contact. However, in order to adapt to more harsh working conditions, special sealed Roots blowers pay special attention to the optimized design of the sealing system. For example, high-performance sealing components are installed at the interface between the rotating shaft and the casing. These components can use different materials and technical solutions according to specific application requirements. Common seal types include but are not limited to mechanical seals, double-face dry gas seals, packing seals, etc. In addition, some special sealed Roots blowers are equipped with additional safety measures, such as auxiliary purge systems, to further improve the sealing effect and ensure that a good sealing state can be maintained even in extreme environments. 
Parameter
Single fuel tank: YCSR-(50/65/80/100/125/150/175/200/250/300)
High-pressure double fuel tank: YCSR-(80/100/125/150/200/250/300)H
Intensive: YCSR-MJ(50/65/80/100/125/150/175/200/250)
Roots vacuum pump: YCSR-(80/100/125/150/200/250/300)V 
Features and Advantages
Excellent sealing performance: Using a variety of advanced sealing technologies to ensure excellent sealing results even when dealing with corrosive, flammable, explosive or toxic and harmful gases.
High efficiency: Despite the addition of a sealing device, through optimized design, the special sealed Roots blower still maintains high volume utilization and volumetric efficiency, which can reduce energy consumption while ensuring performance.
Low noise: Due to the use of three-blade rotor design and advanced sealing technology, the vibration and noise generated during operation are low.
No internal lubrication required: There are no friction parts inside, so there is no need to use lubricating oil, which reduces maintenance costs and avoids the risk of oil contamination.
Long life: High-quality seals can maintain a good sealing state for a long time, extending the service life of the entire equipment.
Cleaning process: It is very suitable for applications that need to transport clean, oil-free compressed air or other gases, such as food processing, pharmaceutical manufacturing and other fields.
Compact structure: The overall design is compact, easy to install and arrange, while reducing the floor space.
Easy to maintain: Although the sealing system is relatively complex, due to its high reliability and durability, actual maintenance requirements are less. Daily maintenance mainly includes checking the status of the seals and replacing worn parts.Usage Scenarios
Specially sealed Roots blowers are particularly suitable for the following application scenarios due to their unique performance characteristics: Pharmaceutical industry: Used in vacuum drying, crystallization and other processes for drug production to ensure that product quality is not contaminated; especially when chemical reactions or biological products are involved, gas purity must be strictly controlled.
Chemical industry: Pressurized transportation of gases required to participate in chemical reactions, such as carbon dioxide recovery and reuse in the production of ammonia and methanol; especially when dealing with corrosive gases, reliable sealing is required to protect equipment from corrosion.
Food and Beverage: Provide carbon dioxide pressurization services in carbonated beverage filling lines to ensure product quality; or serve as vacuuming equipment in the food packaging industry to ensure the freshness and safety of food.Electronic semiconductors: Provide a high-purity gas environment in key links such as wafer manufacturing and packaging testing to prevent impurities from affecting product quality; especially in clean room environments, any tiny contaminants may cause serious consequences.Medical health: Hospital operating rooms, laboratories and other places require sterile, oil-free compressed air supply for the operation of ventilators, dental equipment and other medical equipment; especially in areas involving human health, gas quality is crucial .
Environmental engineering: The aeration and oxygenation system of the sewage treatment plant ensures that microorganisms in the water have enough dissolved oxygen for biological treatment; especially when treating sewage containing heavy metal ions or other harmful substances, secondary pollution must be prevented.Electric power generation: assisting the flue gas desulfurization (FGD) system of coal-fired power plants to help remove sulfur dioxide and other pollutants; especially when facing large-scale waste gas treatment tasks, stable gas delivery is essential.
Mining and metallurgy: used for mine ventilation to ensure the safety conditions of underground working surfaces, especially in environments containing flammable and explosive gases, effective explosion-proof measures must be taken. 