Indirect type hot blast stove for spray drying of traditional Chinese medicine formula granules

• Main Authors: GU XIAOFENG, DU LIXIA, GU CHUNHUA, FAN BIN, CUI PENG, TONG TIE, LU WENGUANG
• Format: Patent
• Language: Chinese; English
• Published: 28.07.2023
• Subjects: BLASTING; DRYING; DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

The utility model relates to an indirect hot blast stove for spray drying of traditional Chinese medicine formula granules, which comprises a combustor, a combustion port of the combustor is sequentially connected with a heat exchange box, a waste gas heat exchange channel and a heat medium channel of a dividing wall type heat exchanger through pipelines, and an inner cavity of a box body is divided into a first chamber and a second chamber through a partition plate. The heat exchange box and the waste gas heat exchange channel are arranged in the first cavity and the second cavity correspondingly, a through hole communicating with the first cavity and the second cavity is formed in the partition plate, and a high-temperature hot air outlet communicating with the first cavity and a low-temperature hot air inlet communicating with the second cavity are formed in the box body. The low-temperature hot air inlet is sequentially connected with a cold medium channel of the dividing wall type heat exchanger and an a