| Job Title |
Boiling-tub Operator |
| Job Description |
Tends Tanks In Which Crude Tetryl Explosive Or Nitrocellulose
Is Boiled And Washed To Remove Acids And Impurities: Admits
Batch Of Crude Tetryl Slurry To Boiling Tank. Starts Tank
Agitators And Turns Valve To Admit Steam To Tank Jacket To Boil
Slurry For Specified Time. Pumps Off Water After Material Has
Settled. Pumps Fresh Water Through Tank To Wash Tetryl And Flush
Away Impurities. When Boiling Nitrocellulose, Admits Acid To Tub
And Boils Contents For Specified Time, Adds Neutralizing Agent,
And Repeats Process Until All Nitrocellulose Impurities Are
Removed. May Test Acidity Of Solution, Using Hydrometer Or
Titration Test. When Boiling Tetryl, Is Designated
Tetryl-boiling-tub Operator (chemical).
|
|
