Hazard factors of vacuum systems

I’m not sure what kind of vacuum system it is; the main hazard in our vacuum systems is leakage, especially valve leakage. If there is a leakage or improper operation of the valves during the reaction process inside the reactor, flammable and explosive gases can enter the vacuum system at excessive speeds, and friction can lead to flash explosions. Furthermore, the circulating water in the vacuum pump should be replaced regularly; otherwise, over time this not only affects the vacuum level but also can lead to excessive concentrations of harmful gases

If the flow rate of flammable and explosive liquids is too high, static electricity can cause a flash explosion.

I think the biggest problem is still deflation; I don’t understand what was mentioned upstairs If an explosion can occur even under such conditions, then what is the purpose of connecting it to a vacuum? Once a vacuum is established, it is not possible to ensure that no medium enters the vacuum system

What are the hazard factors of vacuum systems? What factors can lead to hazards in vacuum systems? What safety measures are in place to prevent accidents? Firstly, the vacuum system must maintain the vacuum level required by the manufacturing process. If there are leaks in the system, and since the system contains flammable and explosive materials, such leaks not only result in a vacuum level that does not meet the process requirements, thereby violating regulations and leading to undesirable situations such as temperature increases or thermal decomposition, but they also allow air to enter the system, causing the gaseous substances that were previously outside the explosive range to fall within that range, which can easily lead to safety accidents. Additionally, if the capacity of the condensation system declines in the vacuum system, it may cause liquid to accumulate in the vacuum equipment or overload it, thus triggering accidents. Of course, there are many other risk factors in vacuum systems, such as whether the vacuum pump selected is appropriate or not. Specific safety measures must naturally be determined based on the particular circumstances. However, when the materials in the system are flammable and explosive, it is generally required that inert gases be used to fill the system when returning it to normal pressure, such as nitrogen

What was said upstairs makes sense, but the flattening phenomenon mentioned on the fourth floor can also occur.