| The
net Soap drawn from the Kettle through skimmer pipe is transformed to a
Crutcher. As the Soap leaving the pan contains small percentage of free
alkali which is neutralized in the Crutcher by the addition of oil or fatty
acids etc.
Its
use is very common for Washing and Toilet Soap. Apart from reduction of
alkali contents in the neat soap its other application is addition of various
additives in the soap for a uniform mixing.
Crutcher
consist of a container, open top, mounted with drive system. Mixing of
mass carried out by a vertical worm revolving in a cylindrical barrel made
of Mild Steel with an external jacket for hot water circulation or steam.
A control valve on the bottom of crutcher adjust th discharge of mixed
mass for cooling in Moulds or fed into a feeding tank for evaporating undesired
moisture in an automizer. |