SPM-500 Flash Tank Operator Training
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Questions and Answers

What is the initial adjustment for the flash tank feed flow controller FIC-401 during the manual setup?

  • Setpoint to 50.0 GPM
  • Output to 50.0 %
  • Output to 0.0 % (correct)
  • Setpoint to 100.0 GPM

In setting up the flash tank level controller LIC-501, what is the first output adjustment made?

  • Output to 100.0 % (correct)
  • Output to 0.0 %
  • Output to 50.0 %
  • Output to 75.0 %

During the emergency shutdown procedure, how long is the entire process expected to take?

  • Approximately 5 minutes
  • Approximately 10 minutes
  • Approximately 4 minutes (correct)
  • Approximately 2 minutes

What action must be taken after adjusting the flash tank pressure controller PIC-501 output to 0.0 %?

<p>Close vapor block hand valve HV-501 (A)</p> Signup and view all the answers

Which controller is adjusted to 0.0 GPM as part of the flash tank control procedures?

<p>Feed flow controller FIC-401 (B)</p> Signup and view all the answers

What is the setpoint value for the flash tank level controller LIC-501 after the initial adjustments?

<p>0.0 % LVL (B)</p> Signup and view all the answers

What is one of the key procedures to follow during an emergency operation?

<p>Follow specific emergency procedures for the process plant (A)</p> Signup and view all the answers

What happens after the flash tank pressure controller PIC-501 is placed in MANUAL mode?

<p>Output must be adjusted to 100.0 % (C)</p> Signup and view all the answers

What is the purpose of modulating the setpoints of the feed temperature controller (TIC-406) and flash tank pressure controller (PIC-501)?

<p>To smoothen changes in product compositions (C)</p> Signup and view all the answers

Which of the following best describes a potential cause of alarms in the flash tank simulation?

<p>Fluctuations in upstream feed composition (B)</p> Signup and view all the answers

Which instrument is associated with monitoring the flow rate of vapor in the system?

<p>FI-501 (C)</p> Signup and view all the answers

What should be the initial step before beginning any startup procedures?

<p>Perform pre-startup procedures (C)</p> Signup and view all the answers

What is one potential consequence of not responding appropriately to an alarm?

<p>A dangerous condition may develop (C)</p> Signup and view all the answers

In terms of process safety management, how should alarms be interpreted?

<p>As conditions that require understanding of process variables (A)</p> Signup and view all the answers

Which controller is primarily used for adjusting product flow rates in the system?

<p>FIC-401 (A)</p> Signup and view all the answers

Which of the following is not included in the normal pre-startup procedures?

<p>Conducting routine maintenance tasks (D)</p> Signup and view all the answers

What is the main objective of the SPM-500 Flash Tank Process?

<p>To separate a mixture of hexane and heptane (B)</p> Signup and view all the answers

At what temperature is the mixture supplied to the SPM-500 for separation?

<p>85 Deg F (B)</p> Signup and view all the answers

What is produced from the SPM-500 Flash Tank Process in terms of heptane?

<p>Heptane liquid at 220 GPM (D)</p> Signup and view all the answers

What is the pressure of the hexane rich vapor produced by the SPM-500?

<p>80 PSIG (A)</p> Signup and view all the answers

Which aspect of process safety management is crucial in the event of an emergency during operations?

<p>Immediate evacuation of personnel (C)</p> Signup and view all the answers

Which control procedure is vital for maintaining the separation process in the flash tank?

<p>Temperature control procedures (C)</p> Signup and view all the answers

What is a critical step in the emergency shutdown protocol of the SPM-500?

<p>Isolate the system from power sources (C)</p> Signup and view all the answers

What type of diagrams are included in the SPM-500 manual to assist with process flow understanding?

<p>ID diagrams (A)</p> Signup and view all the answers

Flashcards

Manual Controller Mode

Setting a controller to manually adjust its output, rather than automatically responding to process variables.

Flash Tank Feed Flow Controller

A device that controls the flow rate of feed material into a flash tank.

Flash Tank Level Controller

A device that controls the liquid level in a flash tank.

Flash Tank Pressure Controller

A device that controls the pressure within a flash tank.

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Emergency Shutdown Procedure

A pre-defined set of actions to safely shut down a process during an emergency.

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Hand Valve HV-503

A manual valve used to control the flow of liquid.

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Setpoint

The desired value for a process variable, like pressure or temperature.

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Output

The final value of a process variable after control actions.

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SPM-500 Flash Tank Process Objective

Separate hexane (C6) and heptane (C7) by boiling point differences, then send separated products to other units.

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Feed Composition

Mixture of 46% hexane and 54% heptane by weight.

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Feed Flow Rate

Approximately 300 GPM of feed mixture (Gallons per Minute)

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hexane Vapor Output

420 ACFM (Actual Cubic Feet per Minute) of hexane vapor at specific conditions.

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Heptane Liquid Output

220 GPM (Gallons per Minute) heptane-rich liquid at specific conditions.

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Input Temperature

Mixture supplied at 85°F (degrees Fahrenheit).

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Vapor Pressure (hexane)

80 PSIG (Pounds per Square Inch Gauge)

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Separation Process

Technique used to separate substances in a mixture based on different boiling points

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Product Flow Rate Adjustment

Adjusting the rate at which product flows is done by changing the setpoint of the feed flow controller (FIC-401).

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Product Composition Adjustment

Changing the composition of a product involves adjusting the setpoints of the feed temperature controller (TIC-406) and flash tank pressure controller (PIC-501).

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Instrument Alarm

An alarm indicates a problem in the process and requires a prompt response to prevent potential issues.

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Process Variable Relationships

Understanding how different process variables (like composition, flow, temperature, etc.) are connected is key to finding the root cause of alarms and problems.

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Upstream Feed Composition Fluctuation

Changes in the composition of the feed input material upstream of the flash tank can cause problems with the product composition and temperature.

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Flash Tank Pressure (PIC-501)

Pressure within the flash tank; used to control product composition.

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Flash Tank Temperature (TI-501)

Temperature inside the flash tank; a factor in process control.

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Pre-Startup Procedures

Essential steps to complete before starting a process simulation or production.

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Study Notes

SPM-500 Flash Tank Operator Training Manual

  • Version: 6.3
  • Revision: 2
  • Contact Information:
    • Phone: 1-800-730-0760, +1-732-747-0322, 1-732-224-0009 (fax)
    • Technical Support: 1-800-730-0760, +1-732-869-6651
    • Email: [email protected]
    • Address: P.O. Box 38, Little Silver, NJ 07739-0038, USA
    • Website: www.simtronics.com
  • Copyright © 1992-2013 Simtronics Corporation
  • All rights reserved.
  • Simtronics name and products are trademarks or registered trademarks.
  • Simtronics Corporation is a privately held, independent New Jersey corporation.
  • All materials developed by Simtronics Corporation

Business Hours

  • 8 a.m. to 5 p.m. Eastern Time, Monday through Friday

SPM-500 Flash Tank Contents

  • Process Description: Separates hexane (C6) and heptane (C7) based on boiling points.
  • Equipment Specifications: Feed preheater, flash tank, overhead vapor line, bottoms liquid line; details listed on page 5.
  • Process Flow and ID Diagrams: Diagrams of flow and instruments, listed on page 6.
  • Instrumentation: Includes composition analyzers, flow controllers, pressure controllers, and level controllers. Includes detailed information about component functions. Listed on page 7.
  • Normal Operations: Table of tagging IDs, descriptions, values, and percentages. Includes detailed functions. Listed on page 8. Also includes specific production monitoring parameters and details on adjusting parameters.
  • Pre-Startup: Procedures to be undertaken before startup procedures, like flushing, cleaning, and testing. Listed on page 10.
  • Startup: Step-by-step procedures for initiating the process, timing detailed. Listed on page 11.
  • Shutdown: Step-by-step procedures for ending the process, timing detailed. Listed on page 12.
  • Emergency Operations: Procedures for handling emergencies and shutdowns. Listed on page 13.

Product Specifications

  • Mix of approximately 300 GPM of 46 wt% hexane and 54 wt% heptane
  • ~420 ACFM of hexane-rich vapor at 80 PSIG and 319°F
  • ~220 GPM of heptane-rich liquid at 80 PSIG and 319°F

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SPM-500 Flash Tank Operator Training Manual PDF

Description

This quiz is designed for operators using the SPM-500 Flash Tank. It covers process descriptions, equipment specifications, and operational guidelines necessary for effective training. Enhance your understanding of hexane and heptane separation techniques through this detailed assessment.

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