Missed Questions Flashcards
Reclaim water tank can pump to
1) Mud filter shower, 2)Wash up water, 3)seal water to the vacuum pump, 4)density control to the scrubber, 5) density control to mud filter @mud pumps.
Scrubber return from powerhouse can go to
WL splitter box, #1 weak wash storage, Waste Clarifier, #2 white liquor clarifier tank or Overflow
Sources of make-up for reclaim water tanks are
Trunnion water; ID fan bearing return and Mill water
Sulfide can be pumped to
GL Digester pumps, Slaker pumps, Christmas Tree and synthetic mixer
Weak wash TTA is annoying good indicator of what?
Making sure we’re not pulling white liquor through on clarifier and mud washing efficiency
What are all the interlocks on slaker designed to shut down
Hot lime screw
What are the slaker interlocks
Speed Switch, agitator running, classifier rake running, green liquor over 250 gpm, water shower flow over 20 gpm, outlet temp over 225 degrees, and at least one green liquor slaker pump running.
What do holes in the middle filter affect
Vacuum efficiency, low solids, TRS, soda balls, and recycling mud back to mud washers
Where are the semichem vent chambers
Top of the digester
2nd floor
Roof
Where does the PSM covered process begin and end
Inflange of surface condenser to the unloading hose to the truck if connected to a truck
What ways can you sound the emergency alarm
1 on the radio
871-1333
Sound air horn
Where is the potable water pumps for the pulp mill located
East of the warm water sump
Where is the caustic plant mill water booster pump located
North of bird filter
Where do white water pumps provide wash water to?
Diffusers
Where are the white water tanks located
Spill tank area north side
Where are black liquor filters for the pine, hardwood and semi chem located?
Pine and hardwood outside of control room
Semichem bird filter. North of E&I shop
To clean water filters. What steps must be taken?
Open the bypass,
Close the inlet and outlet valves
Open the drain on all 3
Remove caps and filters and clean all 3 and replace filters
Close the drain
Open the inlet and outlet valves
Close the bypass
