The utility model provides a converter for chemical reaction ware 100, the converter has: basically, the bottom 105 of circular cylindrical shell form, the bottom has inner space 105a, middle part 110, the middle part contain that the hollow circular cylinder describes the ware and with 105 sealed fluid intercommunications of bottom, top 115, the top contains the diameter and is greater than basically, the columniform shell at middle part 110, the converter has screw locking mechanism 140 on the interior week at top 115, the dismantled and assembled skull 125 of going up, go up the skull include cylindrical keep ware ring (130) and by keep the 130 cylindrical backs 225 that are fixed in suitable position on the ware ring, wherein 115 draws at the top the first and second serial screws locking spine structure that keeps the ware to encircle on 130 is combined action with arranging to the catalyst cylinder 200 lock is in it is sealed in the converter 100 converter 100.