
Distillation Process Analyzer DPA-4.5
Maintenance
Cleaning the distillation flask and bubble pipe
Cleaning the distillation flask
Figure 10.4: Cleaning the upper part of the
distillation flask
•
Undo the bolt (1), holding another wrench on the other side (2).
•
Take off the upper section (3).
•
Clean the inside of the distillation flask through the opening at
the top. Remove coking on the bottom of the flask by blasting it
with nutshell granulate. To do this, guide the angled pipe down
into the distillation flask.
•
Remove all residue of blasting agent.
Figure 10.5: Cleaning the product drain in
the distillation flask
•
Clamp the 3 mm drill bit in the appropriate chuck
(see page 127).
•
Insert the drill bit into the product drain pipe and turn the bit
while pushing it back and forth.
•
Repeat this until all the coking has been detached and the pipe
is largely free.
136
December 2013