Pressure vessel and its safety accessories
Time：
2022-10-20
1. Pressure vessel and its safety accessories
Pressure vessel is a kind of closed equipment, not only bearing a certain pressure, in its interior usually contains gas or liquid, metal and non-metal materials are more common. Inside and outside, there is a large pressure difference, so it has potential danger. In the process of manufacturing and use, due to improper design, operation and use behavior, easy to cause safety accidents, so there are strict requirements in the standard control. The pressure vessel has its own use characteristics, coupled with the unique chemical process of the internal medium, need to install supporting safety accessories, so as to ensure the safe use of the pressure vessel and the normal process. In order to ensure the safe operation of pressure vessels, some safety devices are often installed on the equipment, such as safety valves, pressure gauges, thermometers, level gauges, emergency cutting devices, bursting disc devices, etc. According to the performance and use, commonly used safety accessories can be divided into four types, namely pressure relief device, metering device, alarm device and interlocking device. Among them, the more critical safety accessories include safety relief device, pressure gauge and so on.
2. Selection and verification of common safety accessories
In pressure equipment, safety valve is a kind of overpressure protection device. When the device pressure exceeds the preset value, the safety valve automatically opens to relieve the pressure of the device. In the case of pressure below the specified value, the safety valve will automatically close, so as to avoid the loss of media in the equipment. Safety valve is widely used in pressure vessel, pressure pipeline and boiler, which belongs to automatic valve class. Under normal circumstances, the body of the container is the appropriate installation position of the safety valve, the installation of liquefied gas on the gas phase, the safety problem of emission can not be ignored.
The above is the information of pressure vessels and their safety accessories. I hope it will be helpful to you. For more information or to buy pressure vessels, Changxing Technology can call the hotline: 0576-84986888!
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