Podcast
Questions and Answers
What two destinations can the C8 product be routed to from the P-808 pump?
What two destinations can the C8 product be routed to from the P-808 pump?
The C8 product can be routed to the C8 Loading Rack or the Light Run Header.
Why is TK-808 maintained under a nitrogen blanket?
Why is TK-808 maintained under a nitrogen blanket?
To minimize vapor generation and prevent contact with moisture and oxygen, thus maintaining product integrity.
Describe the purpose of the mixer M-808 inside TK-808, and explain why this function is important.
Describe the purpose of the mixer M-808 inside TK-808, and explain why this function is important.
M-808 prevents settling/layering of sludge and maintains a homogeneous blend of different hydrocarbon densities. This ensures consistent product quality and prevents operational issues caused by sludge buildup.
If a fire occurred in the vapor space above the floating roof of TK-808, what specific safety feature is available, and how would it be utilized?
If a fire occurred in the vapor space above the floating roof of TK-808, what specific safety feature is available, and how would it be utilized?
Explain why TK-808 has been separated from the tank farm vent system, and what specific measure has been taken to ensure this separation?
Explain why TK-808 has been separated from the tank farm vent system, and what specific measure has been taken to ensure this separation?
Flashcards
TK-808 Function
TK-808 Function
Receives C8 product from T-420's overhead, sends/receives C8 to/from TK-1808, and sends/receives C8 to/from TK-1808's outlet line.
TK-808 Nitrogen Blanket
TK-808 Nitrogen Blanket
Maintains a nitrogen atmosphere to prevent moisture and oxygen from contaminating the C8 product.
M-808 Function
M-808 Function
Prevents settling/layering of sludge and maintains a homogeneous blend of hydrocarbons.
P-808 Function
P-808 Function
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TK-808 Vent Isolation
TK-808 Vent Isolation
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Study Notes
- TK-808 receives C8 product from the overhead of T-420
- TK-808 receives and sends C8 product from and to the inlet of TK-1808 in Unit 1798
- C8 product can be sent and received from and to the outlet line of TK-1808 in Unit 1798 via the outlet of TK-808
- P-808 (C8 Loading Pump) routes the C8 product to the C8 Loading Rack or the Light Run Header
- TK-808 has an internal mixer M-808 (C8 Product Tank Mixer)
TK-808
- The tank is maintained under a nitrogen blanket to prevent moisture or oxygen contamination.
- It has been separated from the tank farm vent system for storage tank product integrity
Equipment Details
- TK-808 (C8 Product Tank) is 50’ in diameter and 48’ long
TK-808 Features
- It has an internal floating roof with a vacuum breaker that opens when the roof reaches 7’2” above the floor.
- It has a nitrogen blanket to minimize vapor generation and contact with moisture and oxygen
- A 4” foam maker nozzle connects water and foam in case of a fire in the vapor space above the floating roof.
- It has a mixer
TK-808 Installation and Operation
- It is installed to store C8 product
- It has been separated from the tank farm vent system for storage tank product integrity, with 6” spec-blinds rolled to the closed position at the vent header inlet
- Product enters and exits the tank at the bottom
M-808 (C8 Product Tank Mixer)
- It is installed internally in TK-808 to avoid settling/layering of sludge and maintain a homogeneous blend of different hydrocarbon densities
- M-808 is driven by a 5HP 10036 GPM induction electric motor
P-808 (C8 Loading Pump)
- P-808 is a single-stage centrifugal pump driven by a 30 HP 3525 RPM horizontally-mounted, induction electric motor
- It routes C8 product from TK-808 to C8 Loading Rack
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