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Hot reflux extraction concentrator
Introduction:Put the medicinal herbs into the extraction tank and add 5-8 times the solvent of the herbs (such as water, ethanol, acetone, etc. according to the process requirements). Open the straight through and jacket steam valves of the extraction tank, heat the extraction solution to boiling for 20-30 minutes, and then use a filter tube to draw 1/3 of the extraction solution into the concentrator. Close the extraction tank and jacket steam, and open the heater valve to concentrate the liquid material. During concentration, secondary steam is generated and sent to the extraction tank through the evapor···
Tel:13906123780
Detail
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Working principle

Put the medicinal herbs into the extraction tank and add 5-8 times the solvent of the herbs (such as water, ethanol, acetone, etc. according to the process requirements). Open the straight through and jacket steam valves of the extraction tank, heat the extraction solution to boiling for 20-30 minutes, and then use a filter tube to draw 1/3 of the extraction solution into the concentrator. Close the extraction tank and jacket steam, and open the heater valve to concentrate the liquid material. During concentration, secondary steam is generated and sent to the extraction tank through the evaporator riser as the heat source and solution for extraction, maintaining boiling inside the extraction tank.


The secondary steam continues to rise and condenses into a hot condensate through the condenser. It then falls back into the extraction tank and is added as a new solvent onto the medicinal surface. The new solvent passes through the medicinal layer from top to bottom and reaches the bottom of the extraction tank. The soluble active ingredients in the medicinal materials dissolve in the solvent. The extraction solution is drawn into the concentrator through a filtration tube, and the secondary steam generated by concentration is sent to the extraction tank as a heat source and new solvent. This forms a large reflux cycle for extraction of the new solvent. Therefore, the solute density in the medicinal material maintains a high gradient with the solute density in the solvent, and the solutes in the medicinal material are dissolved at high speed. After extraction, the extraction solution is completely drawn into the concentrator, and the concentrated secondary steam is transferred to the cooler. The concentration continues until the ointment with the required specific gravity (1.2-1.34) is concentrated and released for later use. Extract the residual liquid from the tank and put it into the storage tank for reuse in the next batch. The drug residue is discharged from the slag gate. If organic solvent is used for extraction, add an appropriate amount of water first, open the straight pipe and jacket steam, recover the solvent, and then discharge the residue.


Equipment features

1, the extract rate is 10-15% higher than the multifunctional tank, and the effective ingredients contained in the ointment are more than 1 times higher. In the process of extraction, hot solvent is continuously added to the medicinal surface and passes through the medicinal material layer at high speed from top to bottom to dissolve the solute in the medicinal material. The solute content in the medicinal material maintains a high gradient with the solubility quality in the solvent. The solute in the medicinal material dissolves quickly until it is completely dissolved. High yield of ointment and high content of effective ingredients in ointment.

2. Due to the fast dissolution of solute, short extraction time, simultaneous concentration and extraction, it only takes 7 to 8 hours for medicinal materials to concentrate ointment, and the equipment utilization rate is high.

3, single equipment, small footprint, high equipment utilization rate, investment province.

4, extraction only add a solvent, in a set of sealed equipment recycling, the solvent in the residue is basically recovered, the amount of solvent is more than 30% less than the multi-function extraction tank, the consumption rate can be reduced by 50~70%, which provides a more advanced process method for the extraction and purification of active ingredients in traditional Chinese medicine with organic solvents.

5, because the concentrated secondary steam is used as the heat source for extraction, the extraction liquid pumped into the concentrator is at the same temperature as the concentration, which can save steam, make the operation easier and reduce the operator.


Product Features

This device is suitable for plant herbs, traditional Chinese medicine, animals, food additives, etc. Extraction using water, ethanol, methanol, acetone, and recovery and concentration using organic solvents.


Technical parameter

Extraction tank area: 1m3 2m3 3m3 6m3

Concentrator volume :    0.5m3 1m3 1.5m3 2.5m3

Water extraction temperature: 90-100℃

Alcohol extraction temperature: 78-83℃

Extraction time: 4~5 hours/batch

Vacuum degree:  0.05 0.08 MPa

Operating pressure: 0.08-0.2MPa


Cooperative clients

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Previous :LG series centrifugal scraper film evaporator

Next:DJZ500a-2000a and other series of dual effect concentrators (capable of recovering alcohol)

Jiangsu Yutong Drying Engineering Co., Ltd
General Manager: Lu Wenguang 13906123780
Sales Vice President: Cha Yongqiang 13775013377
Tel:0519-88908088 88901088
Address: No. 68 Shunhe Road, Jiaoxi, Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province
Copyright? 2014 Jiangsu Yutong Drying Engineering Co., Ltd .All Rights Reserved
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