During the cold test, staff enter the cold box to strictly check for leaks and mark them. The cold test is carried out in accordance with the operatin
The instrument line laying and the setting of the protection bracket need to be carried out in accordance with the requirements, the welding of the in
The chiller must be driven under the guidance of the chiller manufacturer before starting the chiller and must not be powered on without permission. T
After the air separation equipment has been purged, the welding slag, aluminium chips, dust and impurities remaining in the pipes and vessels are purg
The medium used for the pressure test of the piping in the cold box is dry, oil-free air. Before the test, the butt welds of the piping should have be
When unloading the adsorbent, correspond to the same quantity, avoid moisture, prevent rain and snow, the filling process needs to be carried out on a
The installation of the molecular sieve purification system ensures that the two support bases are on the same level. The installation standards for h
The installation of the air separation pre-cooling system is divided into the installation of pumps, chiller installation, site plan and piping system
Installation is carried out according to the piping diagram outside the cold box provided by the equipment manufacturer and the relevant national stan
Maintain sufficient stability of the pipeline being erected, not to be shaken at will, while taking into account the thermal expansion and contraction
Valve installation pay attention to the direction of the arrow and process requirements of the media flow direction, to avoid the wrong installation,
The sealing plate and pure nitrogen outlet cap at the upper end of the upper step, the crude argon outlet cap of the crude argon tower condenser must
