Process Tanks And Containers Flashcards
What are the three types of tanks?
Above ground
Elevated
Below ground
What are some things to remember when picking the type of tank?
Safety, bottom plate based, based on pressure
What are some safety items?
Double skin, alert devices , fences around, ladders higher
Why should you inspect tanks?
Prevent leaks into groundwater
Establish de baseline to tank condition and corrosion rates
What is proper inspection
Visual inspection on welds, plates
Ultra-sonic thickness testing of shell plates , floor , roof
Vacuum testing on all floor welds.
What are some tank maintenance checklist?
Conduct monthly/ weekly walk around
Look for stains on steel, check for leaks
Check valve function and nozzle welds
How far should tanks be from an Heat source to prevent vaporizing of gases?
3M(10feet)
What can tanks be made of?
Plastic
Concrete
Steel
Fibreglass
Where are fibreglass tanks best use?
Remote location
Can be above ground or in ground
Lowest point would be 7 ft under
Where is concrete tank best used?
Best capabilities for depth of bury and easy installation
Strongest
Can be buried up to 10 feet
When would you use a plastic tank?
When corrosion is an concern
What would a sewage tank be made of?
Plastic
Concrete
Fibeglasses
What is the most common shape of tank for sewage?
Square, rectangular , round
What does volatility mean?
Materials quality which describes hour readily a substance within high volatility is more likely to exist as a vapour
AS low volatility is more likely to exist as a liquid or solid.
What should you know when working around tanks ?
What’s inside the tank
Pressure, energy content, pour point, cloud point, flashpoint, sulphur content, corrosion ability
