... hard and soft plastic; plastic fibers and fabric; and resistant, dec-
orative, and transparent plastic. Various methods are used in this process.
I n extrusion, solid resins are melted and pushed ... Centrifuge
Shaft
Refrigerated
Jackets
Feed
421
Plastics Systems
O
BJECTIVES
After studying this chapter, the student will be able to:
Describe a typical plastics plant’s equipment...
... towers, and simple systems
•
Steam generation, fired heaters, and systems
•
Process symbols, diagrams, and instrumentation
•
Utility and separation systems
•
Reactor, distillation columns, and systems
• ... and safety considerations
•
Scroll and diaphragm compressors
•
Compressor systems and operations
•
Heat exchanger and cooling tower systems and oper...
... salt domes,
caverns, and other belowground storage systems. Process technicians are
required to safely operate and maintain each of the complex storage and
transfer systems in a tank farm. ... allowance, and past experience with the
equipment involved. Equipment in high-pressure, high-temperature service
subject to corrosion is, of course, inspected frequently. On the oth...
... a flexible pressure range and overall capacity, low power cost,
and high efficiency rating. They can handle density and gas composition
changes, and small volumes and can deliver high pressures.
Reciprocating ... differences
exist between a piece of equipment and the fluid in it.
Compressor Applications and Classification
The compression of gases and vapors in the process...
... shell and tube, reboiler, plate and frame, air cooled, and spiral.
The shell -and- tube heat exchanger is the most common in the process
industry. Shell -and- tube heat exchangers are designed to handle ... and how each applies to heat exchangers.
Which is (are) the most critical and why?
2. Draw and label a hairpin heat exchanger.
3. Draw and label a shell -and- tube hea...
... distillation systems, and reaction systems. They can be used for
such processes as laminating, vulcanizing, extrusion, firefighting, and flare
systems; and to provide cooling or heating to process equipment.
Boilers ... automate their processes. To a
process operator, this means that an instrument or computer can control
the opening, closing, and positioning of valves; star...
...
Draw a process flow diagram.
•
Draw a process and instrument drawing.
•
Describe the various process equipment relationships.
•
285
Chapter 12
●
Process Diagrams
292
approvals, and company ... V-3
V-4
V-5
V-6
EX-105
V-7
P-15
FT
FC
Chapter 12
●
Process Diagrams
304
Review Questions
1 . Describe a process flow diagram and a process and instrument
drawing....
... drops, and impuri-
ties in the feed or product streams. The type and quantity of instrumenta-
tion are usually determined by past data and experience and from research
and development.
Reactor Systems
A ...
Alkylation Stirred
Reactor
Reactor Systems
357
as high-pressure relief valves and alarms, high-temperature alarms and
emergency cooling, fire control systems, and t...