Biosafety cabinet with adjustable air duct structure

• Main Authors: CHEN XIN, TANG HAOZHOU, ZHAO HAIQING, JIN JUNJUN, XU HUAFENG, WU BEIBEI, HE XINGYI, ZHU LIANGQING, WANG ZHEN, XING ZHENZHONG
• Format: Patent
• Language: Chinese; English
• Published: 30.04.2024
• Subjects: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; TRANSPORTING

The utility model relates to the technical field of biosafety cabinets, in particular to a biosafety cabinet with an adjustable air duct structure, which comprises a biosafety cabinet body, and an operation area is arranged in the biosafety cabinet body. The operation area is communicated with a first air duct used for pushing external airflow to sink into the operation area and a second air duct used for sucking air in the operation area to be exhausted through negative pressure, an ultraviolet sterilization lamp is installed in the second air duct, and a first high-pressure sterilization structure is fixedly installed at the tail end of the first air duct. Two second high-pressure disinfection structures are fixedly mounted at the tail end of the second air duct, the opening degree of an air valve is controlled, and the ratio of the air outlet amount to the backflow air amount of the biosafety cabinet can be controlled, so that the biosafety cabinet can be adjusted to be in a half-discharge or full-discharg