Certified Chemical Plant Junior Operator

TABLE OF CONTENT

G.I. pipes

• G.I.pipe
• Grades
• Advantages of G.I.pipes
• Disadvantages

Cut G.I. pipe using pipe cutter

• Cut pipe using a hacksaw and benchvice
• Plumbing tools – Pipe wrench and chain pipe wrench
• Pipe wrenches
• Parts
• Care and maintenance
• Chain pipe wrench

Bending pipes

• Pipes and pipe fittings
• Standard pipe fitting
• Elbows
• Tee branch
• Reducing tee branch
• Concentric reducer
• Caps
• Plug
• Coupling
• Reducer
• Union
• Pipe nipples
• The hexagonal nut

Pipe joints

• Socket and spigot joint
• Expansion joint
• Flanged joint
• Flexible joint
• Screwed joint
• Collar joint

Flange joints

• Flange joints

Spanners

• Introduction to spanners

PVC pipes

• PVC pipes
• Advantages
• Disadvantages
• Types of PVC pipes
• Uses

Flaring tools and their functions

• Flaring tool with yoke
• Tube cutter
• Pipe bending tool
• Swaging tools
• Pinching tools
• Pressure gauges
• Compound gauge
• Leak defects
• Soap bubble method
• Halide torch method
• Electronic detector
• Types of tubing
• Soft copper tubing
• Hard drawn copper tubing
• Steel tubing
• Plastic tubing
• Flexible tubing
• Tube cutting
• Bending tubing

Flaring, Unit Operations and Process

• Flaring necessity
• Types of flaring
• Single thickness flare
• Double thickness flare
• Flared tubing fittings
• Pressurizing the joint on tubing

Brazing

• Brazing
• Different kinds of brazing joints
• DIP brazing
• Furnaces brazing
• Torch brazing
• Electric brazing
• Advantage of brazing
• PVC pipes
• Hot gas welding of PVC pipes
• Important points to be observed during welding

Metals

• Iron ore
• Coke
• Flux

Gaskets

• Pressure units and types of pressure
• Venture Flow Meter
• Orifice Type Flow meter
• Rotameter
• V notch
• Non-return valve/check valve
• Non-return valve

Needle valve

• Needle valve
• Plug-cocks

Diaphragm valve

• Stop cock
• Stopcock

Gate-valve

• Gate-valve
• Parts of a gate-valve

Butterfly valve

• Glass wool and Thermocol
• Insulating materials

Centrifugal Punps

• Centrifugal pumps
• Mono-block pump
• Booster pump
• Air lift pump
• Submersible pump

Gear pump

• Introduction of unit operation
• Introduction to unit processing
• Transportation of Fluid
• Pipe and Tubing

Plant utility

• Brine
• Nitrogen
• Instrument Air
• Vacuum
• PLANT UTILITY
• Vacuum pump

Boiler

• Cooling towers
• Compressor
• Ejector
• Steam and chilled water
• Distillation
• Distillation
• Rectification
• Stripping
• Reflux ratio
• Types of distillation
• Distillation of Petroleum

Manufacturing of Urea

• Extraction, Leaching and Absorption
• Extraction
• Applications
• Leaching
• Application
• Absorption
• Applications

Mechanical separation, heat and mass transfer

• Heat transfer
• Typical examples are
• Mass transfer

Evaporation

• Steam economy

Filtration

• Soap
• Manufacturing of Nitric acid
• Uses

Nitro benzene

• Aspirin
• Manufacturing of chlorine gas
• Overall process
• Mercury cell electrolysis
• Diaphragm cell electrolysis
• Membrane cell electrolysis
• Other electrolyte processes
• Other methods

Manufacturing of NaOH (Sodium hydroxide)

• Uses
• Other uses of sodium hydroxides

Manufacturing of sulphuric acid

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