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How Does A Mechanical Seal Effectively Improve Its Effectiveness?
Apr 03, 2018

How does a mechanical seal effectively improve its effectiveness?

How effective is the mechanical seal to increase the efficiency of the function? What about the installation and design of mechanical seals? The most demanding requirements for working in fluid machinery are mechanical seals, which are subjected to axial forces like mechanical seals for thrust bearing pumps; the heat generated is exported like a heat exchanger. It is difficult to achieve static sealing in mechanical seals under special high temperature and high pressure conditions. People have been experiencing such difficult problems for a long time. To solve them, we use mechanical seals in two ways. One is to start with sealed structures and materials, and the other is to improve the working environment through auxiliary facilities. Because it is rare that no auxiliary equipment is used in the actual operation of the mechanical seals, through the auxiliary facilities, certain harsh working environments will be changed to acceptable seals, so that the effect of mechanical seals will be greatly improved and the scope of use will be broader. The frictional heat generated during the operation of the mechanical seal increases the temperature of the seal face. If the mechanical seal does not adopt the corresponding facilities, how effective the mechanical seal can be to improve the efficiency of the seal will have many adverse consequences.

Manufacturers of mechanical seals introduce the technical specifications of the seals, using a pump with a rigid housing, a rigid shaft, and a high-quality support system. The concept of the torque mechanical seal torque includes the end surface friction torque caused by the end surface friction during normal operation, the starting torque required for starting the mechanical seal, and the stirring torque caused by the agitation of the fluid by the rotating assembly during the sealing operation. The friction torque and stirring torque of the end face determine the power consumption and operating cost of the mechanical seal. It is a commonly used index to evaluate the performance of the mechanical seal. The power consumption of heavy mechanical seals applied to high pressure, high speed, and large shaft diameter is also quite high. considerable. Although the technical standards of China's mechanical seals do not set specific requirements for the torque index, it is necessary to measure the mechanical seal's friction torque and power consumption to measure the mechanical seal installation and technical requirements and evaluation.

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