NuoXuTech

Dry screw vacuum pumps are essential vacuum equipment used in various industries. These pumps operate using a pair of screws that rotate synchronously in opposite directions at high speeds within the pump casing. The rotating screws create suction and discharge, allowing the pump to achieve effective vacuum levels. This article provides an overview of the key features and extensive application range of dry screw vacuum pumps across different sectors. 1. Key Features of Dry Screw Vacuum Pumps High Reliability: Dry screw vacuum pumps have fewer components and no consumable parts, making them highly reliable with a long service life. Ease of Operation and Maintenance: The straightforward design ensures easy operation and maintenance. Excellent Dynamic Balance: With no unbalanced inertial forces, these pumps can run smoothly at high speeds, ensuring stable operation. Strong Adaptability: Due to their forced gas transmission characteristics, dry screw vacuum pumps can maintain a high pu...

Vacuum technology is crucial in chemical and pharmaceutical industries, enhancing the safety, speed, and cost-effectiveness of various processes. Vacuum is indispensable in operations like conveying, distillation, drying, and concentration. For decades, liquid ring vacuum pumps and steam ejectors dominated these processes. However, these pumps have a major drawback: they rely on working fluids that come into contact with process gases, leading to contamination and operational inefficiencies. In contrast, dry screw vacuum pumps have become the preferred choice due to their ability to operate without any working fluid. Principle of Operation Dry screw vacuum pumps operate using two screw-shaped rotors that rotate in opposite directions. As the process gas is drawn in, it is sealed between the pump housing and the screws, then transported to the discharge port. During this process, the screws do not touch each other or the pump casing, thanks to precise manufacturing that maintains minima...