The utility model provides a kind of gas environment ultrahigh temperature loading device, it relates to a kind of high temperature loading device, including water-cooling ventilation plate, fixed seat, high temperature and ventilation body component and water-cooled upper cover being installed in CT adapter sequentially stacked installation, high temperature and ventilation body component include outer layer heat preservation cylinder, heat insulation cylinder, inner layer heat preservation cylinder and gas cavity cylinder being sequentially arranged from outside to inside, heat insulation cylinder and gas cavity cylinder are installed between water-cooled upper cover and fixed seat, and both ends are sealed with sealing ring one, and there is gap between inner layer heat preservation cylinder top end and water-cooled upper cover, vacuum air passage is equipped in water-cooling ventilation plate, air
inlet channel and exhaust passage that are connected to gas cavity cylinder are further equipped in water-cooling ventilation plate, the utility model is a kind of in the device of real-time detection of sample by
ray imaging under the
ray field of industrial CT,
synchrotron radiation light source etc., and 1500 ℃ upper ultrahigh temperature temperature field loading can be realized by specific gas
atmosphere, structure small and compact, also convenient for overall integration.