Compressors Lube Oil Supply System Quiz
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Questions and Answers

What is the purpose of the variable inlet vanes installed upstream of each blower?

The variable inlet vanes restrict airflow to prevent overloading the blower motor.

How are the P-122A/B-1 (C-120A/B Main Lube Oil Pumps) powered?

They are crankshaft driven positive displacement pumps.

What happens if the P-122A/B-1 main lube oil pumps fail?

The P-122A/B-2 auxiliary lube oil pumps will route the lube oil to the compressors.

What type of pumps are the P-121A/B lubricator pumps for C-120A/B?

<p>They are camshaft-driven piston pumps.</p> Signup and view all the answers

What function do the F-122A/B-1 and F-122A/B-2 filters serve?

<p>They remove contaminants from the lube oil.</p> Signup and view all the answers

What is the primary purpose of D-130 (Lube Oil Storage Drum)?

<p>To store lube oil for both Charge Gas Compressors and Booster/Recycle Compressors.</p> Signup and view all the answers

How does E-130 (Lube Oil Drum Plate Coil) maintain the temperature of the lube oil?

<p>It uses 60 psig steam as the heating medium.</p> Signup and view all the answers

What mechanical device is used to route lube oil to the compressors, as described in the content?

<p>P-130 (Lube Oil Transfer Pump).</p> Signup and view all the answers

What type of oil does D-140 (Crankcase Oil Storage Drum) store?

<p>Crankcase oil.</p> Signup and view all the answers

What is the function of F-121 (Purge Air Filter)?

<p>To remove particulates from incoming air.</p> Signup and view all the answers

What dual functions does the D-130 (Lube Oil Storage Drum) serve?

<p>It stores lube oil and provides a nitrogen purging mechanism.</p> Signup and view all the answers

How does the E-140 (Crankcase Drum Plate Coil) maintain the crank oil temperature?

<p>It uses 60 psig steam as the heating medium.</p> Signup and view all the answers

What is the primary mechanism of P-130 (Lube Oil Transfer Pump)?

<p>It is an air-operated barrel pump that routes lube oil to the compressors.</p> Signup and view all the answers

What components comprise the F-121 (Purge Air Filter)?

<p>It consists of 24 filter assemblies each with a prefilter and a main filter.</p> Signup and view all the answers

Where does the crank oil enter and exit in D-140 (Crankcase Oil Storage Drum)?

<p>The crank oil enters at the top and exits from the bottom of the drum.</p> Signup and view all the answers

What type of valve is located on the outlet of each blower and what is its operational status?

<p>An air-actuated butterfly valve, which is fail open.</p> Signup and view all the answers

What drives the P-122A/B-2 (Auxiliary Lube Oil Pumps), and what is their purpose?

<p>They are driven by 10 HP 1750 RPM induction electric motors to route lube oil to the compressors if the main pumps fail.</p> Signup and view all the answers

Describe the function of the E-122A/B-1 and E-122A/B-2 coolers.

<p>They are multi-tube U-type exchangers that cool the lube oil on the shell side with cooling water on the tube side.</p> Signup and view all the answers

What is the purpose of the P-121A/B lubricator pumps in the C-120A/B system?

<p>They provide lube oil to the rod packings and cylinders of C-120A/B (Charge Gas Compressors).</p> Signup and view all the answers

How are the variable inlet vanes adjusted and what is their main function?

<p>They are manually set and locked in position by a wing nut to restrict airflow and prevent blowing motor overload.</p> Signup and view all the answers

Study Notes

Compressors Lube Oil and Crankcase Oil Supply System

  • D-130 Lube Oil Storage Drum: Common storage for lube oil used in C-120A/B and C-360A/B compressors; dimensions of 2’6”D x 7’L.

  • Equipped with a plate coil and Roto-Meter for low-pressure nitrogen purge, venting through a 1-1/2” vent at the top.

  • Lube oil flows in from the top and exits from the bottom, while low-pressure nitrogen enters through the top and vents out.

  • E-130 Lube Oil Drum Plate Coil: Maintains lube oil temperature within D-130 using 60 psig steam as a heating medium.

  • P-130 Lube Oil Transfer Pump: Air-operated barrel pump routes lube oil to C-120A/B and C-360A/B compressors; mechanical device designed to move liquids through piping.

  • D-140 Crankcase Oil Storage Drum: Storage for crankcase oil, shared by C-120A/B and C-360A/B; also measures 2’6”D x 7’L and features a plate coil.

  • Crankcase oil enters the drum from the top and exits from the bottom. Low-pressure nitrogen also enters the top for pressure maintenance.

  • E-140 Crankcase Drum Plate Coil: Similar to E-130, it uses 60 psig steam to keep the crank oil temperature regulated inside D-140.

Compressors Motor Purge System

  • F-121 Purge Air Filter: Comprises 24 filter assemblies, each with a prefilter and main filter to eliminate particulates from incoming air.

  • C-121A/B Purge Air Blowers: Include inlet guard screens, variable inlet vane controllers, and blowers are powered by 50 HP motors. Each unit equipped with a hand/off/automatic switch and local indicator light.

  • The variable inlet vanes prevent blower motor overload by manually restricting airflow; only one blower operates during normal conditions.

C-120A/B Crankcase Oil and Cooling Water System

  • P-122A/B-1 C-120A/B Main Lube Oil Pump: Crankshaft-driven positive displacement pump ensures consistent oil flow to compressors.

  • P-122A/B-2 Auxiliary Lube Oil Pumps: Centrifugal pumps activated if main pumps fail; driven by 10 HP induction motors at 1750 RPM, providing backup lubrication.

  • E-122A/B-1 and E-122A/B-2 Lube Oil Coolers: Multi-tube U-type heat exchangers that cool lube oil with water; installed to maintain suitable oil temperatures.

  • F-122A/B-1 and F-122A/B-2 Lube Oil Filters: Essential for removing contaminants from lube oil, ensuring system integrity.

  • FI-123A/B-1 and FI-123A/B-2 Packing Cooling Water Filters: Filters that maintain cleanliness in the cooling water used in conjunction with C-120A/B compressors.

C-120A/B Rod and Cylinder Lubricator System

  • P-121A/B Lubricator Pumps: Camshaft-driven piston pumps delivering lubricant to the rod packings and cylinders of C-120A/B; powered by 10 HP induction motors.

Compressors Lube Oil and Crankcase Oil Supply System

  • D-130 Lube Oil Storage Drum: Common storage for lube oil used in C-120A/B and C-360A/B compressors; dimensions of 2’6”D x 7’L.

  • Equipped with a plate coil and Roto-Meter for low-pressure nitrogen purge, venting through a 1-1/2” vent at the top.

  • Lube oil flows in from the top and exits from the bottom, while low-pressure nitrogen enters through the top and vents out.

  • E-130 Lube Oil Drum Plate Coil: Maintains lube oil temperature within D-130 using 60 psig steam as a heating medium.

  • P-130 Lube Oil Transfer Pump: Air-operated barrel pump routes lube oil to C-120A/B and C-360A/B compressors; mechanical device designed to move liquids through piping.

  • D-140 Crankcase Oil Storage Drum: Storage for crankcase oil, shared by C-120A/B and C-360A/B; also measures 2’6”D x 7’L and features a plate coil.

  • Crankcase oil enters the drum from the top and exits from the bottom. Low-pressure nitrogen also enters the top for pressure maintenance.

  • E-140 Crankcase Drum Plate Coil: Similar to E-130, it uses 60 psig steam to keep the crank oil temperature regulated inside D-140.

Compressors Motor Purge System

  • F-121 Purge Air Filter: Comprises 24 filter assemblies, each with a prefilter and main filter to eliminate particulates from incoming air.

  • C-121A/B Purge Air Blowers: Include inlet guard screens, variable inlet vane controllers, and blowers are powered by 50 HP motors. Each unit equipped with a hand/off/automatic switch and local indicator light.

  • The variable inlet vanes prevent blower motor overload by manually restricting airflow; only one blower operates during normal conditions.

C-120A/B Crankcase Oil and Cooling Water System

  • P-122A/B-1 C-120A/B Main Lube Oil Pump: Crankshaft-driven positive displacement pump ensures consistent oil flow to compressors.

  • P-122A/B-2 Auxiliary Lube Oil Pumps: Centrifugal pumps activated if main pumps fail; driven by 10 HP induction motors at 1750 RPM, providing backup lubrication.

  • E-122A/B-1 and E-122A/B-2 Lube Oil Coolers: Multi-tube U-type heat exchangers that cool lube oil with water; installed to maintain suitable oil temperatures.

  • F-122A/B-1 and F-122A/B-2 Lube Oil Filters: Essential for removing contaminants from lube oil, ensuring system integrity.

  • FI-123A/B-1 and FI-123A/B-2 Packing Cooling Water Filters: Filters that maintain cleanliness in the cooling water used in conjunction with C-120A/B compressors.

C-120A/B Rod and Cylinder Lubricator System

  • P-121A/B Lubricator Pumps: Camshaft-driven piston pumps delivering lubricant to the rod packings and cylinders of C-120A/B; powered by 10 HP induction motors.

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Description

Test your knowledge about the lube oil supply system used in compressors. This quiz covers the components and functionality of the D-130 lube oil storage drum and its connection to both charge gas and booster/recycle compressors. Enhance your understanding of oil management in industrial applications.

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