河池What is the difference between containerized mechanical seals and mechanical seals?

What is the difference between containerized mechanical seals and mechanical seals?

Mechanical seals and containerized mechanical seals are two types of sealing methods widely used in the field of modern mechanical equipment. Although their names are very similar, they differ in terms of performance, structure, and application scope. Below, we will introduce the differences from several aspects.

1、 Definition

Mechanical seal refers to a sealing component composed of stationary rings, movable rings, sealing surfaces, springs, dampers, O-rings, etc., which has a sealing effect. It is directly installed on the main shaft of rotating machinery such as pumps, compressors, mixers, centrifuges, etc. Container mechanical seal is a special sealing device that combines the advantages of traditional seals and mechanical seals. It consists of a housing, a stationary ring, a rotating ring, springs, etc., and can be used for sealing equipment such as pumps, mixers, compressors, etc. with solid particles, liquids, gases, and other media.

2、 Structural differences

The structure of mechanical seals is relatively simple, mainly composed of stationary rings, movable rings, sealing surfaces, springs, etc. The stationary ring is in contact with the end face of the mechanical equipment, while the movable ring is in contact with the shaft. The sealing surface between the stationary ring and the movable ring is pressurized by the spring pressure, thus achieving the sealing purpose. The structure of container mechanical seals is relatively complex, mainly composed of static rings, rotating rings, springs, etc. The static ring is externally mounted on the front of the equipment, and the rotating ring is mounted on the shaft, maintaining close contact through springs to form a better airtight seal that can resist high pressure, high temperature, and corrosion.

3、 Different application scope

Mechanical seals are mainly used on rotating equipment such as pumps, compressors, mixers, centrifuges, etc., and are suitable for conveying various media such as water, oil, air, chemicals, etc. Container mechanical seals are suitable for conveying equipment with large particles, viscous fluids, high temperature and high pressure, corrosive media, such as feed pumps, vacuum pumps, vertical pumps, mixers, etc.

4、 Different leak prevention abilities

Mechanical seals can effectively prevent leakage, with stable sealing performance and good sealing effect, and can cope with harsh environments such as high speed, high temperature, and high pressure. The container mechanical seal is better in terms of leakage prevention. It adopts special designs such as double row sealing, self-lubricating, and limit installation, which have higher sealing performance and can withstand greater pressure and temperature.

In summary, there are differences between mechanical seals and containerized mechanical seals in terms of structure, application scope, and leak resistance. In practical applications, it is necessary to make choices based on specific practical situations.