On-line ultraviolet spectrum detection method and system of traditional Chinese medicine extraction process
A technology of extraction process and ultraviolet spectrum, applied in the field of online ultraviolet spectrum detection method and system, can solve the problems of product loss, environment and pollution
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[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0026] The invention proposes an online ultraviolet spectrum detection method for the extraction process of traditional Chinese medicine. Before performing the continuous online detection, the bypass manual valve 2 is partially closed to generate a differential pressure at both ends; the sample injection manual valve 4 and the sample return manual valve 12 are opened, and the cooling water of the cooler 5 is in a flowing state; Simultaneously open the blowdown electromagnetic valve 22, and make other electromagnetic valves all be in closed state. Continuous online detection includes the following steps:
[0027] Step 1: Quantitative sampling of the extract. Open the sample injection solenoid valve 7 and the sample return solenoid valve 11; driven by the differential pressure at both ends of the manual valve 2, a small amount of the extract cooled by t...
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