Helium gas purifierATP30 from Quantum Design
Helium gas purifiers are used to remove impurities that are part of the air like oxygen, nitrogen, water etc., and other contaminants like oils and hydrocarbons from the helium gas. To achieve this, the gas incl. the impurities is cooled to cryogenic temperatures to freeze out all parts of the gas mix except for the helium. The cooling power is provided by a cryocooler (Advance Technology Purifier or ATP).
- Freeze out impurities
- Helium purity > 99,999%
- Easy operation
The Advanced Technology Purifier (ATP) can purify up to 30 liters of helium gas per minute. At this pace, it is the system of choice for providing clean helium gas to Quantum Design’s Advanced Technology helium Liquefiers (ATL). ATP-cleaned helium gas has an ultra high purity of 99.9995% or better at a pressure of about 2 bar. Like the Advance Technology Liquefier (ATL), the ATP is fully automated and can regenerate within five hours. One ATP is normally sufficient to deliver enough clean helium gas for two ATL160 liquefiers. The system is used in the high-pressure recovery system.
The ATP30 uses a Gifford-McMahon (GM) cryocooler to freeze out impurities like nitrogen and oxygen in the helium gas. The GM cryocooler has a closed helium gas loop that is pressurized by a compressor and then expanded in the cold head of the purifier. This generates low temperatures that cool down the dewar and the helium gas inside. The helium purifier is easy to install and can easily be operated in any laboratory. A touch screen panel allows easy control of the automated system. The ATP30 is part of the high-pressure recovery system, which catches helium boil off in a gas bag and stores it in gas cylinders, which are pressurized by a high-pressure helium gas compressor. In the high-pressure recovery system, impurities like oxygen and nitrogen diffuse through the plastic gas bag into the helium gas. These impurities are separated from the helium gas by the ATP30, so that the clean helium gas can be liquefied again.
- Purification rate: 30 liters of gas per minute
- Purity: 99.9995% (better than UHP)
- Fail safe operation
- Regeneration time: 5 hours (fully automatic)
- System dimensions (L x W x H): 60 x 69 x 148 cm
- Compressorl: Air or water-cooled
- Typical power consumption and Voltage range: 6,5-7,5 kW; high voltage
- Fully automatic control, operation via touch screen pane
The ATP30 is used to supply ATL helium liquefaction systems with clean helium gas. It is used where ATLs are used, for example for the recovery of liquid helium in magnetism and cryotechnology. It is used with Quantum Design products like the MPMS and PPMS, with magnetoencephalography (MEG) systems by Elekta and with Nuclear Magnetic Resonance (NMR) systems from various suppliers. Other equipment that runs with the liquid helium from our ATLs are bath and flow cryostats of any kind for measurement methods like Atomic Force Microscopy (AFM), Scanning Tunneling Microscopy (STM), Fourier Transform Mass Spectroscopy (FT-MS), Electron Paramagnetic Resonance Spectroscopy (EPR), Cathodoluminescence, Mossbauer Spectroscopy, IR Detectors and Electron Beam Ion Traps (EBIT).
Any time the helium gas is contaminated by recovery lines that are not made from metal, a purifier should be used to clean the gas before it is fed into an ATL.
Quantum Design GmbH
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