Three major fire pump leakage failure of the cause
Nov 08, 2022
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It is said that the pump is the heart of industry, then the fire pump is the heart of the fire, heart failure, the whole fire system will be paralyzed, the fire pump is to protect people's fire safety, to protect industrial safety production of important equipment, in the use of fire pumps, will inevitably encounter a variety of problems, today zjbetter small talk about the fire pump in the daily use of a common problem, is the fire pump leakage The situation, we should do, and the reasons for this problem analysis.
1, The installation of static test leakage
If the amount of leakage is small, mostly for the dynamic ring or static ring seal ring problems; leakage is larger, it indicates that there are problems between the dynamic and static ring friction vice. In the initial observation of the amount of leakage, on the basis of the judgment of the leakage area, and then manually pan to observe, if the amount of leakage is no significant change in static, dynamic ring seals have problems.
2、Leakage during trial operation
Fire pump with mechanical seal after static test, the force generated by high-speed rotation during operation, will inhibit the leakage of media. Therefore, the exclusion of shaft and end cover seal failure, basically due to the dynamic and static ring friction vice damage caused. Most need to re-disassemble and replace the seal.
3、Sudden leakage in normal operation
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Most of the sudden leakage in the operation of the fire pump is due to large changes in operating conditions or improper operation and maintenance. Pumping, cavitation or longer holding pressure, resulting in seal damage; pump actual output is small, a large number of media pump circulation, heat accumulation, causing media vaporization, resulting in seal failure; corrosive media, polymerization, gumming substances increase; ambient temperature changes sharply; for a longer period of time out of service, restart without manual pan, friction vice due to adhesion and tear bad sealing surface.
zjbetter was established in 2004, specializing in the production of fire pump sets for sixteen years, now the enterprise has a number of senior engineers, 20,000 square meters of research and development and production base, is a set of design and development, production, sales as one of the high-tech enterprises. Welcome to enquire!
1, The installation of static test leakage
If the amount of leakage is small, mostly for the dynamic ring or static ring seal ring problems; leakage is larger, it indicates that there are problems between the dynamic and static ring friction vice. In the initial observation of the amount of leakage, on the basis of the judgment of the leakage area, and then manually pan to observe, if the amount of leakage is no significant change in static, dynamic ring seals have problems.
2、Leakage during trial operation
Fire pump with mechanical seal after static test, the force generated by high-speed rotation during operation, will inhibit the leakage of media. Therefore, the exclusion of shaft and end cover seal failure, basically due to the dynamic and static ring friction vice damage caused. Most need to re-disassemble and replace the seal.
3、Sudden leakage in normal operation
Most of the sudden leakage in the operation of the fire pump is due to large changes in operating conditions or improper operation and maintenance. Pumping, cavitation or longer holding pressure, resulting in seal damage; pump actual output is small, a large number of media pump circulation, heat accumulation, causing media vaporization, resulting in seal failure; corrosive media, polymerization, gumming substances increase; ambient temperature changes sharply; for a longer period of time out of service, restart without manual pan, friction vice due to adhesion and tear bad sealing surface.
zjbetter was established in 2004, specializing in the production of fire pump sets for sixteen years, now the enterprise has a number of senior engineers, 20,000 square meters of research and development and production base, is a set of design and development, production, sales as one of the high-tech enterprises. Welcome to enquire!
