: an extraction device and a heat exchanger, wherein a preheating heat exchange tube and a cooling heat exchange tube are arranged in the extraction device; the extraction device is respectively connected with liquid inlets of the preheating heat exchange tube and the cooling heat exchange tube through pipelines; and the liquid outlet of the cooling heat exchange tube is connected with a three-way valve through pipelines; The three-way valve is respectively connected with a four-way valve and a liquid inlet of an infusion pump through pipelines; The other three ports of the four-way valve are respectively connected with a flushing liquid tank and two solution tanks through pipelines; The liquid outlet of the preheating heat exchange tube is connected with a three-way valve through a pipeline, and the three-way valve is respectively connected with the upper port of an expansion bed and a four-way valve through a pipeline; the other three ports of the four-way valve are respectively connected with the liquid outlet of an infusion pump, the lower port of the expansion bed and an automatic collector; and an online detection controller is connected in parallel at both ends of the four-way valve on the pipeline between the upper port of the expansion bed and the liquid inlet of the automatic collector. The utility model has the advantages of high efficiency, simplified steps, short operation cycle time and high proportion of effective components.
application date: November 1, 26
publication date:
authorization announcement date: October 31, 27
applicant/patentee: Tsinghua University
applicant address: Department of Chemistry, Tsinghua University, Haidian District, Beijing
Inventor: Luo Guoan; Sharla Cheung; Yiming Wang; Yang Huihua; Huping; Liang Qionglin
Patent agency: Beijing Jikai Intellectual Property Agency Co., Ltd.
Agent: Xu Ning Guanchang
Patent type: utility model patent
Classification number: A61J3/.