A vacuum pump, also known as a vacuum aspirator, is a machine designed to remove gas from equipment, creating a vacuum inside the system. These devices are essential in various industrial and laboratory applications where pressure reduction is necessary. Vacuum pumps can generally be categorized into three main types: reciprocating vacuum pumps, rotary vacuum pumps, and jet vacuum pumps. Each type has its own unique characteristics and applications. 1. **Reciprocating Vacuum Pump**: This type of pump is ideal for handling non-corrosive and non-particulate gases. It offers high pumping speed and can achieve a relatively high vacuum level. Due to its efficiency, it is commonly used in chemical plants. However, its complex structure leads to higher maintenance requirements and operational costs. 2. **Water Ring Vacuum Pump**: A type of rotary vacuum pump, the water ring pump uses water as a sealing medium. It is particularly effective for handling wet or corrosive gases and is widely used in industries such as food processing, pharmaceuticals, and wastewater treatment. 3. **Jet Vacuum Pump**: This pump operates by using a high-pressure working fluid, such as steam or compressed air, to entrain and move the gas being pumped. It is often used in situations where a high vacuum is required and where the presence of liquid or particulates may interfere with other pump types. Circulating water vacuum pumps are commonly used in processes like evaporation, distillation, crystallization, filtration, and sublimation. A low-temperature cooling circulating water vacuum pump combines the functions of a vacuum pump and a cryogenic cooling system. It not only evacuates the system but also provides cooled circulating water, making it an excellent auxiliary tool for vacuum distillation and decompression enrichment. These pumps are especially well-suited for use with rotary evaporators, as they save space, reduce the required vacuum level, and conserve water. As a result, they are widely adopted in modern laboratories for their efficiency and versatility.

Amino Acid

Amino Acid,L-alanine,L-methionine,L-valine

Amino Acid,L-alanine,L-methionine,L-valine

Jiangsu Kaihuida New Material Technology Co., Ltd , https://www.khdchemical.com