Intelligent control method and system for micro-boiling state of traditional Chinese medicine extraction equipment containing volatile oil

Abstract

The invention discloses an intelligent control method and system for the micro-boiling state of traditional Chinese medicine extraction equipment containing volatile oil. A plurality of different heating nodes are arranged on the traditional Chinese medicine extraction equipment; each heating node correspondingly controls the heating of a section of volume range through a respective heating jacket; an oil-water separator is used as an independent heating node; acquiring the average temperature of the fluid in each section of volume range through temperature measurement; for each heating node,deriving the temperature rise time of heating to an expected target temperature under the current temperature condition; wherein the heating time is greater than a threshold value, and the heating iscontrolled by a PID controller; wherein the heating time is less than a threshold value, and the heating is controlled by a fuzzy controller. A fuzzy PID control method is used for automatically and precisely measuring the temperature of different types of traditional Chinese medicines and controlling the steam pressure to achieve control over the micro-boiling state, and the fuzzy PID control method is used for automatically and precisely measuring the temperature of the oil-water separator and controlling steam to achieve temperature control. The traditional Chinese medicine extraction efficiency is effectively improved, and related requirements of medicine production are met.

Description

technical field [0001] The invention belongs to the field of traditional Chinese medicine pharmacy, in particular to an intelligent control method and system for the micro-boiling state of traditional Chinese medicine extraction equipment containing volatile oil. Background technique [0002] The product quality of proprietary Chinese medicines is related to the health of patients, and it is also the lifeline for pharmaceutical manufacturers to grow and develop. The extraction process of traditional Chinese medicine is the core production process of the traditional Chinese medicine production process. If the micro-boiling state is not reached, if the steam pressure is too large, the temperature will be too high, which will cause bumping and affect the internal material properties of traditional Chinese medicine. Therefore, the control of the boiling state is very important, which involves various key quality control parameters, especially Temperature is the core parameter to...

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Problems solved by technology

[0003] At present, it is still difficult to detect the micro-boiling state in the extraction process of traditional Chinese medicine, especially the extraction process of traditional Chinese medicine containing volatile oil. Generally, it is by observing the boiling state on the surface of the medicinal liquid, and the temperature reaching the micro-boiling state cannot be accurately controlled, nor can it be accurately detected. Control the temperature of oil-water separation

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