The proton beam line vacuum system of HIRFL is about ten-metre long. It is made up from vacuum chambers and pumps and some equipment for vacuum measuring and beam detecting. This system's surface area is 8 ×1...The proton beam line vacuum system of HIRFL is about ten-metre long. It is made up from vacuum chambers and pumps and some equipment for vacuum measuring and beam detecting. This system's surface area is 8 ×104 cm2 and the bulk is 110 1. It is required that this system's vacuum degree must be lower than 1×10-6 Pa. To get this target, we cleaned the vacuum chambers in our Ultrasonic Cleaning Station and then展开更多
The upgrade of the HIRFL post-beam line is being done. The vacuum system of the beam-line is mainly made up of the vacuum chambers, vacuum pipes, bellows, ion pumps and valves etc. After the upgrade, most of the old v...The upgrade of the HIRFL post-beam line is being done. The vacuum system of the beam-line is mainly made up of the vacuum chambers, vacuum pipes, bellows, ion pumps and valves etc. After the upgrade, most of the old vacuum devices will be reused except that a few is new. These old vacuum devices consist of 21 chambers, 22 pipes, 21 bellows, 31 ion pumps and 28 valves. The total surface area cf the old vacuum chambers and pipes is about 1.2×10-6 cm2. They were contaminated by oil vapor seriously, so, the vacuum cleaning展开更多
文摘The proton beam line vacuum system of HIRFL is about ten-metre long. It is made up from vacuum chambers and pumps and some equipment for vacuum measuring and beam detecting. This system's surface area is 8 ×104 cm2 and the bulk is 110 1. It is required that this system's vacuum degree must be lower than 1×10-6 Pa. To get this target, we cleaned the vacuum chambers in our Ultrasonic Cleaning Station and then
文摘The upgrade of the HIRFL post-beam line is being done. The vacuum system of the beam-line is mainly made up of the vacuum chambers, vacuum pipes, bellows, ion pumps and valves etc. After the upgrade, most of the old vacuum devices will be reused except that a few is new. These old vacuum devices consist of 21 chambers, 22 pipes, 21 bellows, 31 ion pumps and 28 valves. The total surface area cf the old vacuum chambers and pipes is about 1.2×10-6 cm2. They were contaminated by oil vapor seriously, so, the vacuum cleaning
