Preheating device in production process of expanded perlite

• Main Authors: JIA FEIXIA, ZHANG XIA, HE XING, CAO GUOPING, WU JIANMING, WU JINGJING, LU JUNPENG, CUI CHAO
• Format: Patent
• Language: Chinese; English
• Published: 24.02.2023
• Subjects: BLASTING; DRYING; DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

The invention discloses a preheating device in an expanded perlite production process, which comprises a preheating cavity, the right end of the preheating cavity is connected with a feeding box, and the upper end of the feeding box is provided with a feeding pipe, and is characterized in that a drying box is arranged outside the preheating cavity, and the left end of the drying box is communicated with the preheating cavity through a first hose; the right end of the drying box communicates with the preheating cavity through a second hose, water absorption filler and a fan are sequentially arranged in the drying box from left to right, a transverse plate is arranged in the feeding box, and the left side wall and the right side wall of the transverse plate are rotationally connected with the inner wall of the feeding box through connecting shafts. Wherein one connecting shaft penetrates through the feeding box, extends out of the feeding box and is fixedly sleeved with a gear, a rack meshed with the gear is ve