VAC DRI-TRAIN HE-493, Техническое руководство

Страница: 29 / 61

l/AC _____________________
Vacuum/Atmospheres
Open circulation outlet valve (B) slowly (Step H) to
refill purifier. If connected to DRI-LAB (glove
box), care should be taken in refilling to avoid a
vacuum condition in the DRI-LAB.
H. Refill purifier with Outlet Circulation valve (B) open.
I. Reconnect vacuum pump to Vacuum valve (K).
3-4 INITIAL REGENERATION
For initial regeneration, it is recommended that the normal regeneration
procedure be repeated two or three times because the oxygen reactant in
a purifier is shipped in a completely saturated condition. While this
section provides procedures for regeneration, Section 4 gives a more
theoretical description of the regeneration procedure and the purifier.
It is suggested that Section 4 be read before going through a regenera­
tion cycle.
3-4.1 Regeneration Cycle
WARNING
I
BEFORE PERFORMING THIS PROCED URE, ENSURE THAT THE
· REGENERATION FORMING GAS CAN BE EXHAUSTED TO A SAFE
PLACE. ALSO, CONSU LT TABLE 3-2 FOR SAFE/U NSAFE
CHEMICALS.
To perform the required regeneration for the first time on a new or
saturated purifier, use the following procedure:
3-7
HE-493-Rl-2/84