CVI CVI DENSIFICATION EQUIPMENT INCLUDING A HIGH-CAPABILITY PREHEATING AREA

摘要

A thermochemical treatment apparatus (100) comprising a reaction chamber (140), at least one gas inlet (104), and a gas preheater chamber (110) located between the gas inlet (104) and the reaction chamber (140). The preheater chamber 110 has a plurality of through-type dispensing trays 111-114, one of which is held spaced apart from the other. Also, at least between the facing dispensing trays, the preheater chamber 110 includes a plurality of wall portions 1110, 1120, 1130 that form a flow path for the gas stream between the dispensing trays 111-114 .;