Laboratory extraction and concentration equipment can be used in various processes such as atmospheric pressure, micro pressure, water decoction, warm immersion, heat reflux, forced circulation, seepage, aromatic oil extraction and organic solvent recovery in traditional Chinese medicine, food and chemical industries. The use of the device can make the extraction effect better, the time is short, and the liquid medicine content is high. The equipment mixing system is divided into spiral stirring and paddle mixing. At the same time, the equipment is excellent in material selection and widely used in pharmaceutical, food, chemical and other industries.
The laboratory extraction and concentration equipment works as follows:
Put the medicinal material into the extraction tank and add 5-10 times of solvent such as water, ethanol, methanol, acetone, etc. (according to the process requirements). Turn on the extraction tank heating system, heat the extract to boiling for 20-30 minutes, and then draw one-third of the extract with a suction tube. Close the extraction tank and the jacketed hot water, open the concentration tank and the heating system to keep the temperature of the concentrated juice at about 80 °C, the vacuum is maintained at -0.05 to -0.09MPA, and the secondary steam generated during concentration passes through the condenser. And the cooler turns into a condensate and returns to the extraction tank to add a new solvent to the medicine. The new solvent passes from the top to the bottom through the medicinal material layer to the bottom of the extraction tank. The soluble component in the medicinal material is dissolved in the solvent in the extraction tank, and the extract is filtered through the suction tube. The mixture is pumped into the concentration tank, and the secondary steam generated by the concentration is sent to the extraction tank to be a new solvent, and a new solvent is formed to be refluxed and extracted until the complete dissolution (the color of the extract is colorless) is continued until the concentration is equal to the desired specific gravity ointment. The colorless liquid can be reused next time. If it is organic solvent extraction, first add appropriate amount of water, open the straight and jacketed hot water, and recover the solvent, then drain the slag.
Laboratory extraction and concentration equipment product features
1. Fully closed loop extraction and concentration can save energy by 0.3-0.5 times.
2. Reduce the solvent by 0.5-1 times according to different drugs, and increase the dosage by 30%--60%. The paste rate is increased by more than 10%.
3. Heat reflux, atmospheric pressure extraction, low temperature concentration, shorten production time of more than 1/3.
4. Suitable for water extraction or alcohol extraction, can recover ethanol, can have alcohol precipitation, seepage, warm immersion, cold soaking and other functions.
5. Cancel the intermediate storage, etc., saving 50% of investment.
4. Suitable for water extraction or alcohol extraction, can recover ethanol, can have alcohol precipitation, seepage, warm immersion, cold soaking and other functions.
5. Cancel the intermediate storage, etc., saving 50% of investment.
6. If you increase the computer display control, the concentration temperature can be set freely at 55 °C -80 °C.
7. Our equipment is compact in structure, easy to operate, and saves 50% in floor space.
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