SUBLIMATING SUBSTANCES PURIFICATION APPARATUS Russian patent published in 1995 - IPC

FIELD: food and chemical industry. SUBSTANCE: sublimating substances purification apparatus has body, chambers of sublimation, sorption and desublimation, branch pipes of products feeding and discharging. The new thing is that chambers are replaced by cavities, formed by hoses and ring. Hoses are mounted coaxially to each other and are passing through ring. Inner hose is fixed on ring, outer hose on body. Cavities are connected with systems of sublimation substances feeding, sorbent feeding, pure substance removal and also with removal of remains of sublimation substances and sorbent. Cavities are connected to each other by by-passes and holes on outer hose. Inner hose is made of current-conducting material and is connected with source of electric power. All systems are connected with valves. EFFECT: apparatus is used to produce substances of high degree of purification in food and chemical industries. 1 dwg