Talking about Mechanical Seals in Chemical Plants

The medium conveyed by the chemical plant pump generally has high-risk characteristics of toxic or flammable and explosive. Therefore, once leakage occurs, it may not only cause inestimable economic losses and environmental pollution, but also cause casualties. In order to avoid the occurrence of such incidents, it is very common for the related machinery and equipment used in the industry to have high sealing performance. At present, most of the rotary shaft seals of chemical enterprises are commonly used packing seals and mechanical seals.u200bu200b

From the perspective of the structure of mechanical seals, there are mainly double-end mechanical seals and single-end mechanical seals, which can play a positive role through sealing. In the transportation of flammable and explosive media and toxic media, the overall Ensuring that it does not leak can also help reduce mechanical losses and effectively improve the overall efficiency of transportation.

Symptoms that occur during the failure of mechanical seals in chemical equipment. The common symptoms can be summarized as follows: continuous leakage of mechanical equipment, and screaming when chemical equipment is working. Secondly, when the chemical equipment is in operation, graphite dust will appear on the outside of its sealing surface, and they will agglomerate together. On the other hand, when the chemical equipment is running, a popping sound is heard at the seal, which may also be the failure of the mechanical seal of the chemical equipment. At the same time, if the pump and shaft vibrate all the time, the service life of the seal is relatively short, which may also be due to the failure of the mechanical seal of the chemical equipment. When the above situation occurs in the chemical equipment, the relevant technical personnel should check the mechanical seal to further determine whether the mechanical seal of the chemical equipment fails, and at the same time find out the cause of the failure.u200b

No leakage of chemical machinery and equipment is the eternal pursuit, and it is because of this pursuit that the good development of magnetic pumps and canned pumps is promoted. But in order to be truly leak-free, there is a long way to go. Mechanical seal can be described as a relatively advanced dynamic seal product, which mainly uses a pair of smooth and fluid film surfaces to seal it with the help of medium pressure and spring force. Compared with packing seals, the effect of mechanical seals is more prominent, and it does not wear out. It has a long application life and consumes less specific power. Therefore, it is widely used in the position of dynamic sealing. Especially in places with poor working environment, such as high temperature, high pressure, low temperature, low pressure, toxic, flammable, explosive, corrosive, etc., the usual sealing cannot achieve such an effect.