What is the function of Carbon black Lifting Machine?

The carbon black lifting machine which worked with the tire pyrolysis plant is called Screw carbon black lifting machine, and the function of it is screw the carbon black out off the carbon black pit. Then it will be easy for workers to process it deeply.
The depth of carbon black pit is around 1.8m, it is not easy for workers to lift the carbon black out off the pit by handworked. So we suggest using the carbon black lifting machine and lift the carbon black automatically.