Liquid inlet flow path switching device of single-pump gradient chromatography system

• Main Authors: ZHOU XINJIEKE, LI HONGWEN, KIM SA-JUN, JI ZHENGLEI
• Format: Patent
• Language: Chinese; English
• Published: 28.01.2025
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model discloses a liquid inlet flow path switching device of a single-pump gradient chromatography system, and relates to the technical field of flow path switching. The liquid inlet flow path switching device of the single-pump gradient chromatography system comprises a valve plate, a plurality of first liquid inlet valves and a second liquid inlet valve, and each first liquid inlet valve is provided with a plurality of first inlets and a first outlet; the second liquid inlet valve is provided with a plurality of second inlets and second outlets; the plurality of first inlets are communicated with first pipelines; the plurality of second inlets are communicated with second pipelines; and the second outlet is communicated with a third pipeline. According to the liquid inlet flow path switching device, the multiple first liquid inlet valves and the multiple second liquid inlet valves are matched with one another, two-stage flow path switching is achieved, the liquid inlet efficiency is effectively