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Record Nr. |
UNINA9910139144203321 |
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Autore |
Smith Cecil L. |
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Titolo |
Control of batch processes / / Cecil L. Smith |
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Pubbl/distr/stampa |
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Hoboken, New Jersey : , : Wiley : , : AlChE, , 2014 |
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©2014 |
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ISBN |
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1-118-91395-7 |
1-118-91393-0 |
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Descrizione fisica |
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1 online resource (337 p.) |
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Classificazione |
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Disciplina |
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Soggetti |
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Chemical process control |
Mass production |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references at the end of each chapters and index. |
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Nota di contenuto |
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Cover; Title page; Copyright page; Contents; Preface; 1: Introduction; 1.1. Categories of Processes; 1.1.1. Continuous Processes; 1.1.2. Batch Processes; 1.1.3. Semi-Batch Processes; 1.2. The Industry; 1.2.1. Intellectual Property; 1.2.2. Manual Operations; 1.2.3. Driving Force for Change; 1.2.4. Product Specifications; 1.2.5. Automation Technology for Batch; 1.2.6. Safety and Process Interlocks; 1.2.7. Safe State; 1.2.8. Safety Issues Pertaining to the Product; 1.3. The Ultimate Batch Process: The Kitchen in Your Home; 1.3.1. Recipe from a Cookbook |
1.3.2. Home Kitchen versus Commercial Bakery1.4. Categories of Batch Processes; 1.4.1. Cyclical Batch; 1.4.2. Multigrade Batch; 1.4.3. Flexible Batch; 1.5. Automation Functions Required for Batch; 1.5.1. Basic Regulatory Control; 1.5.2. Discrete Device Drivers; 1.5.3. Step Programmers; 1.5.4. Sequence Logic; 1.5.5. Recipe Management; 1.5.6. Production Control; 1.5.7. Scheduling; 1.5.8. Software Issues; 1.6. Automation Equipment; 1.6.1. Analog; 1.6.2. Hardwired Logic; 1.6.3. Distributed Control System (DCS); 1.6.4. Programmable Logic Controller (PLC); Reference; 2: Measurement Considerations |
2.1. Temperature Measurement2.1.1. Resistance Temperature Detectors (RTDs); 2.1.2. Thermocouples; 2.1.3. Thermistors; 2.1.4. Thermowells; 2.1.5. Accuracy versus Repeatability; 2.1.6. Multiple Probes; 2.2. Pressure Measurement; 2.2.1. Atmospheric; 2.2.2. |
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Vacuum; 2.2.3. Establishing Vacuum; 2.2.4. Flow to Vacuum System; 2.2.5. Pressure as a Function of Time; 2.2.6. Valve Opening as a Function of Pressure; 2.2.7. Leaking Agitator Seal; 2.3. Weight and Level; 2.3.1. Level; 2.3.2. Load Cells; 2.3.3. Noise; 2.3.4. Lag Filters; 2.3.5. Material Transfers; 2.3.6. Noise on Vessel Weight Measurement |
2.3.7. Moving Average Filter2.3.8. Vessel Weight during a Material Transfer; 2.3.9. Least Squares Filter; 2.4. Flow Measurements; 2.4.1. Mass Flow; 2.4.2. Coriolis Meters; 2.4.3. Density; 2.4.4. Heating or Cooling Media Flows; 2.4.5. Coriolis Meters versus Load Cells; 2.5. Loss-in-Weight Application; 2.5.1. Weight to Flow; 2.5.2. Exponential Smoothing; 2.5.3. Least Squares Filter; 2.5.4. Control Alternatives; References; 3: Continuous Control Issues; 3.1. Loops That Operate Intermittently; 3.1.1. Zero Flow; 3.1.2. Stopping the Flow; 3.1.3. Final Control Element Issues |
3.1.4. Flow Measurement Issues3.1.5. Discrete Logic; 3.1.6. Windup in Flow Controller; 3.2. Emptying a Vessel; 3.2.1. Feed Tank; 3.2.2. Ascertaining That a Vessel Is Empty; 3.2.3. Driving Force for Fluid Flow; 3.2.4. Transfer Piping; 3.3. Terminating a Co-Feed; 3.3.1. Ratio to Master Flow Set Point; 3.3.2. Terminating Master Flow But Not Co-feed Flows; 3.3.3. Cross-Limiters; 3.4. Adjusting Ratio Targets; 3.4.1. Interval for Taking Corrective Actions; 3.4.2. Flow Meter Deemed to Be Most Accurate; 3.4.3. Weight Measurement Deemed to Be Most Accurate; 3.4.4. Compensating Ratio Targets |
3.4.5. Flow Correction Factors |
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Sommario/riassunto |
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Gives a real world explanation of how to analyze and troubleshoot a process control system in a batch process plant Explains how to analyze the requirements for controlling a batch process, develop the control logic to meet these requirements, and troubleshoot the process controls in batch processes Presents three categories of batch processes (cyclical batch, multigrade facilities, and flexible batch) and examines the differences in the control requirements in each Examines various concepts of a product recipe and what its nature must be in a flexible batch facility |
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