Auxiliary filtering device of needle type filter

• Main Authors: XING ZHIQING, WANG TAO, QIN JIANYU, SHAN FENGJUAN, LI XIAO, CUI CHENCONG
• Format: Patent
• Language: Chinese; English
• Published: 02.11.2021
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model discloses an auxiliary filtering device of a needle type filter, and relates to the related technical field of needle type filters. The auxiliary filtering device comprises a fixing shell, the fixing shell is arranged to be of a cylindrical structure with the upper end and the lower end open, and a tray used for fixedly installing the needle type filter is arranged in the fixing shell. A pipeline through hole for a liquid outlet pipe of the needle type filter to pass through is formed in the tray in a penetrating manner; the bottom of the fixing shell is detachably connected with a bottle opening connector used for being in transition connection with a bottle opening of an external liquid storage bottle. According to the syringe needle type filter, the bottle opening connector is in transition connection with the bottle opening of the external liquid storage bottle, under the protection effect of the bottle opening connector, waste liquid can be effectively prevented from entering the liquid