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On-line ultraviolet spectrum detection method and system for traditional Chinese medicine extraction process

A technology of ultraviolet spectroscopy and extraction process, which is applied in the field of online ultraviolet spectroscopy detection methods and systems, and can solve problems such as pollution and product loss to the environment.

Inactive Publication Date: 2013-11-27
杭州派析光电科技有限公司 +1
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  • Application Information

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Problems solved by technology

In order to ensure the accuracy of the dilution ratio, the flow characteristics of the peristaltic pump need to be calibrated before each test; in addition, the system uses a continuous test process in sample transfer, resulting in a continuous flow of samples into the waste pool , resulting in product loss and environmental pollution

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  • On-line ultraviolet spectrum detection method and system for traditional Chinese medicine extraction process
  • On-line ultraviolet spectrum detection method and system for traditional Chinese medicine extraction process
  • On-line ultraviolet spectrum detection method and system for traditional Chinese medicine extraction process

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Embodiment Construction

[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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Abstract

The invention discloses an on-line ultraviolet spectrum detection method and a system for a traditional Chinese medicine extraction process. The detection system comprises an automatic sampling device, a spectrum measuring device, a control system, a data transmission and remote supervising device. The automatic sampling device is connected with a traditional Chinese medicine extraction circulation pipeline; the spectrum measuring device and the control system are both connected with the automatic sampling device; and the data transmission and remote supervising device is respectively connected with the spectrum measuring device and the control system. The invention realizes functions of automatic sampling, automatic ratio dilution, automatic spectrum acquisition and automatic cleaning on a traditional Chinese medicine extract; and the changes of the spectrogram in an analysis extraction process can be used for real-time detection of total change trend of extract composition, so as to provide important basis for the operating personnel to carry out technological parameter adjustment and terminal point determination.

Description

technical field [0001] The invention relates to an online ultraviolet spectrum detection system for liquid samples in the production process, in particular to an online ultraviolet spectrum detection method and system for qualitative identification of active ingredients in the extraction process of traditional Chinese medicinal materials. Background technique [0002] The production process of modern traditional Chinese medicine consists of a series of unit operations, such as extraction, concentration, purification, granulation, coating, etc. The extraction of active ingredients is one of the key links in the production of traditional Chinese medicine. Product quality, enhancing the efficacy and stability of traditional Chinese medicine is very important. At present, the commonly used control parameters for traditional Chinese medicine extraction tanks mainly include pressure, temperature, and extraction time. [0003] However, only relying on the control of these process ...

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Application Information

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IPC IPC(8): G01N21/33G01N1/38G01N35/00
Inventor 郭正飞戴连奎付静张志强
Owner 杭州派析光电科技有限公司