No, purge doesn't have the same meaning as clean.
Purge from MW dictionary:
1 a : to clear of guilt b : to free from moral or ceremonial defilement
2 a : to cause evacuation from (as the bowels) b (1) : to make free of something unwanted <purge a manhole of gas> <purge yourself of fear> (2) : to free (as a boiler) of sediment or relieve (as a steam pipe) of trapped air by bleeding c (1) : to rid (as a nation or party) by a purge (2) : to get rid of <the leaders had been purged>