Can asphalt be used for asphalt pump seal fluid?
Can asphalt be used for asphalt pump seal fluid?
(OP)
We have a Vacuum Distillation Unit in our refinery.
The operating temperature of the Vacuum Residue(Asphalt) pump is 350C.
The mechanical seal plan of the Vacuum Residue pump is:
Plan 32 with Seal Fluid: HVGO(Heavy Vaccum Gas Oil)
+ 52 with Seal Fluid: Synthetic Lub. Oil
As the seal fluid(HVGO) is injected to the process line with Plan 32 , it may affect the quality of Vacuum Residue.
We are now considering to use Vacuum Residue(Asphalt) itself as a seal fluid for Plan 32.
Is there any refinery has such experience?
The operating temperature of the Vacuum Residue(Asphalt) pump is 350C.
The mechanical seal plan of the Vacuum Residue pump is:
Plan 32 with Seal Fluid: HVGO(Heavy Vaccum Gas Oil)
+ 52 with Seal Fluid: Synthetic Lub. Oil
As the seal fluid(HVGO) is injected to the process line with Plan 32 , it may affect the quality of Vacuum Residue.
We are now considering to use Vacuum Residue(Asphalt) itself as a seal fluid for Plan 32.
Is there any refinery has such experience?





RE: Can asphalt be used for asphalt pump seal fluid?
Plan 32 calls for a Clean external source flush, what you want to do seems to be more in line with Plans, 01, 11, 13 and 21, which is recirc line from process. Is this waht you intend to do??
RE: Can asphalt be used for asphalt pump seal fluid?
The Asphalt can be cooled to 160C before entering the pump seal.