CN207101962U - A kind of external circulation double temperature control extraction equipment - Google Patents

Abstract

The utility model relates to a technical field that traditional chinese medicine drawed, concretely relates to two accuse temperatures of extrinsic cycle draw equipment. This two accuse temperature of extrinsic cycle draw equipment, including the thermal converter, with the heating jar of the lateral wall intercommunication of the jar of drawing of thermal converter inner chamber intercommunication, the heating jar is provided with the temperature controller that is used for controlling the heating jar temperature, the outside cover that draws the jar is equipped with cooling jacket. When in use, the Chinese herbal medicines and the solvent are added into an extraction tank for extraction, a heating tank is used for heating a heat transfer medium, and a cooling medium is introduced into a cooling jacket; the low-temperature reflux extraction of the traditional Chinese medicine can achieve the purpose of double-temperature control, low temperature and normal pressure extraction, can reduce the energy consumption in the traditional Chinese medicine extraction process and improve the extraction rate; the temperature controller is used for controlling the temperature of the heating oil tank, and avoids the influence on the extraction effect and efficiency caused by overhigh or overlow temperature of the heat transfer medium.

Description

A kind of external circulation double temperature control extraction equipment

technical field

The utility model relates to the technical field of traditional Chinese medicine extraction, in particular to an extraction device with double temperature control for external circulation.

Background technique

Soaking and extraction of traditional Chinese medicine is an important part of traditional Chinese medicine preparations, and the quality of its technology directly affects the quality and therapeutic effect of medicines. The extraction process of Chinese medicinal materials consists of three stages: infiltration, desorption and dissolution, diffusion and solvent replacement. According to the theory of diffusion and mass transfer, the greater the concentration difference of active ingredients inside and outside the cell, the faster the effective ingredient will diffuse to the outside of the cell. The higher the dissolution rate of ingredients, the faster and complete dissolution of traditional Chinese medicine should be achieved.

In view of the heat sensitivity of most Chinese herbal medicines, it is not suitable to extract at high temperature. Excessively high temperature will damage the heat-sensitive substances in the extract, and the current extraction process takes a long time, consumes a lot of energy, and the extraction rate is low. It is necessary to seek energy-saving low-temperature reflux extraction Concentration technology has become an important task of traditional Chinese medicine extraction.

Utility model content

In order to overcome the shortcomings and deficiencies in the prior art, the purpose of this utility model is to provide an external circulation double temperature control extraction equipment, which can reduce the energy consumption in the extraction process of traditional Chinese medicine and improve the extraction rate.

The purpose of the utility model is achieved through the following technical solutions: an external circulation dual temperature control extraction equipment, including a heat exchanger, an extraction tank connected to the inner cavity of the heat converter, and a heating tank communicated with the side wall of the heat converter, The heating tank is provided with a temperature controller for controlling the temperature of the heating tank, and the outside of the extraction tank is provided with a cooling jacket.

Further, the lower end of the cooling jacket is provided with a cooling medium inlet, and the upper end is provided with a cooling medium outlet.

Further, the side walls of the heating tank and the heat exchanger are communicated through a heat conduction oil pump.

Further, the upper end of the side wall of the heat exchanger is provided with a first heat transfer medium outlet, and the lower end is provided with a first heat transfer medium inlet, and the first heat transfer medium inlet communicates with the heat transfer oil pump through a pipeline.

Further, the upper end of the heating tank is provided with a second heat transfer medium inlet, and the lower end is provided with a second heat transfer medium outlet, the second heat transfer medium inlet is connected with the first heat transfer medium outlet through a pipeline, and the second heat transfer medium outlet is connected with the second heat transfer medium outlet. The heat transfer medium outlet communicates with the heat conduction oil pump through a pipeline.

Further, the heat converter and the extraction tank are communicated through a circulating pump.

Further, the upper end of the extraction tank is provided with a first extraction liquid inlet, and the lower end is provided with a first extraction liquid outlet, and the first extraction liquid outlet communicates with the circulation pump through a pipeline.

Further, the top of the heat converter is provided with a second extraction liquid outlet, and the bottom is provided with a second extraction liquid inlet, the second extraction liquid outlet is connected to the first extraction liquid inlet through a pipeline, and the second extraction liquid inlet is connected to the first extraction liquid inlet. The circulating pump is communicated through pipelines.

Further, the extraction tank includes an upper tank body and a lower tank body, and the upper tank body and the lower tank body are connected by a flange.

Further, the volume ratio of the upper tank body and the lower tank body is 5:1.

The beneficial effects of the utility model are: the utility model provides an external circulation double temperature control extraction equipment, when in use, Chinese herbal medicine and solvent are added to the extraction tank for extraction, the heating tank is used to heat the heat transfer medium, and the jacket is cooled into the cooling medium; the heat transfer medium heated by the heating tank is introduced into the side wall of the heat exchanger, flows for a week and then returns to the heating tank for reheating, and the reheated heat transfer medium then flows into the side wall of the heat exchanger The heat exchange is carried out in the heat exchanger, and the cycle is repeated to provide heat for the heat exchanger. At the same time, the cold extraction liquid produced in the extraction tank is introduced into the inner cavity of the heat exchanger, and exchanges heat with the heat transfer medium flowing through the side wall of the heat exchanger. After heat exchange, the hot extraction liquid flows back into the extraction tank, and after being cooled by the cooling medium in the cooling jacket, it flows into the inner cavity of the heat exchanger for heat exchange. This cycle is repeated for low-temperature reflux extraction of traditional Chinese medicine. , can achieve the purpose of dual temperature control low temperature and normal pressure extraction, can reduce the energy consumption in the extraction process of traditional Chinese medicine, and improve the extraction rate; the temperature controller is used to control the temperature of the heating oil tank to avoid the temperature of the heat transfer medium being too high or too low, Affect the extraction effect and efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model.

The reference signs are: 1. heat converter; 11. first heat transfer medium inlet; 12. first heat transfer medium outlet; 13. second extraction liquid inlet; 14. second extraction liquid outlet; 2. extraction tank; 21. Upper tank body; 211. First extraction liquid inlet; 22. Lower tank body; 221. First extraction liquid outlet; 23. Stirring device; 3. Heating tank; 31. Second heat transfer medium inlet; 32. The second 2. Heat transfer medium outlet; 4. Temperature controller; 5. Cooling jacket; 51. Cooling medium inlet; 52. Cooling medium outlet; 6. Circulation pump;

Detailed ways

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and accompanying drawing 1, and the content mentioned in the implementation mode is not a limitation of the utility model.

As shown in Figure 1, the utility model relates to an extraction device with double temperature control for external circulation, including a heat exchanger 1, an extraction tank 2 communicating with the inner cavity of the heat exchanger 1, and a heating tank 3 communicating with the side wall of the heat exchanger 1 , the heating tank 3 is provided with a temperature controller 4 for controlling the temperature of the heating tank 3 , and a cooling jacket 5 is provided on the outside of the extraction tank 2 .

The extraction tank 2 includes a tank body and a stirring device 23 arranged in the tank body, and a feeding port and an exhaust port are arranged on the top of the tank body. When in use, Chinese herbal medicine and solvent are added to the extraction tank 2 for extraction, the heating tank 3 is used to heat the heat transfer medium, and the cooling jacket 5 is fed with a cooling medium; the heat transfer medium heated by the heating tank 3 is introduced into the heat exchanger 1 In the side wall of the heat exchanger 1, it flows back to the heating tank 3 for reheating after flowing for a week, and the reheated heat transfer medium flows into the side wall of the heat exchanger 1 for heat exchange, so that the cycle is repeated to provide heat for the heat exchanger 1 At the same time, the cold extraction liquid produced in the extraction tank 2 is introduced into the inner cavity of the heat exchanger 1 to exchange heat with the heat transfer medium flowing through the side wall of the heat exchanger 1, and the hot extraction liquid after heat exchange flows back into the extraction tank 2, after being cooled by the cooling medium in the cooling jacket 5, it flows into the inner cavity of the heat exchanger 1 for heat exchange, so that the cycle is repeated, and the low-temperature circulation reflux extraction of traditional Chinese medicine can be achieved, which can achieve double temperature control and low temperature The purpose of pressure extraction can reduce the energy consumption in the extraction process of traditional Chinese medicine and improve the extraction rate; the temperature controller 4 is used to control the temperature of the heating tank 3 to avoid the temperature of the heat transfer medium being too high or too low, which will affect the extraction effect and efficiency. The bottom of the tank 3 is provided with a plurality of supporting feet 8, and the heat transfer medium in this embodiment is oil.

Preferably, the lower end of the cooling jacket 5 is provided with a cooling medium inlet 51 , and the upper end is provided with a cooling medium outlet 52 .

The cooling medium enters the cooling jacket 5 from the lower end, flows out from the upper end after heat exchange with the extraction liquid in the extraction tank 2, and adopts the method of entering from the bottom and exiting from the top, which improves the heat transfer efficiency and makes the heat exchange effect better. In the embodiment, the cooling medium is water, and the cooling medium inlet 51 is connected to the tap water pipe through a pipeline, and the water flowing out from the cooling medium outlet 52 can be reused continuously.

Preferably, the heating tank 3 and the side wall of the heat exchanger 1 communicate through a heat conduction oil pump 7 .

The heat transfer medium heated by the heating tank 3 is continuously transported to the heat exchanger 1 through the heat conduction oil pump 7 , and at the same time, the heat transfer medium after heat exchange flows back into the heating tank 3 for heating. Heating temperature can be controlled by temperature controller 4 according to actual needs.

Preferably, the upper end of the side wall of the heat exchanger 1 is provided with a first heat transfer medium outlet 12, and the lower end is provided with a first heat transfer medium inlet 11, and the first heat transfer medium inlet 11 and the heat transfer oil pump 7 pass through a pipeline communication; the upper end of the heating tank 3 is provided with a second heat transfer medium inlet 31, and the lower end is provided with a second heat transfer medium outlet 32, and the second heat transfer medium inlet 31 and the first heat transfer medium outlet 12 pass through The pipes are connected, and the second heat transfer medium outlet 32 is connected with the heat transfer oil pump 7 through the pipes.

The heat transfer medium heated by the heating tank 3 continuously enters the side wall of the heat exchanger 1 through the second heat transfer medium outlet 32, the heat transfer oil pump 7 and the first heat transfer medium inlet 11, circulates in the side wall, and passes through the heat transfer medium. After the exchange, the first heat transfer medium outlet 12 and the second heat transfer medium inlet 31 continuously flow into the heating tank 3 for heating. Repeated circulation in this way saves energy consumption and improves extraction efficiency. The second heat transfer medium inlet 31 is arranged at the lower end of the heat exchanger 1, and the second heat transfer medium outlet 32 is arranged at the upper end of the heat exchanger 1, which adopts the way of entering from the bottom and exiting from the top, which improves the heat transfer efficiency and improves the heat exchange effect. better.

Preferably, the heat converter 1 and the extraction tank 2 are communicated through a circulation pump 6 .

After the Chinese herbal medicine added to the extraction tank 2 is extracted, the extract is continuously transported to the inner cavity of the heat exchanger 1 through the circulation pump 6 for heat exchange, and at the same time, the heat-exchanged extract is returned to the extraction tank 2 to continue extraction .

Preferably, the upper end of the extraction tank 2 is provided with a first extraction liquid inlet 211, and the lower end is provided with a first extraction liquid outlet 221, and the first extraction liquid outlet 221 communicates with the circulation pump 6 through a pipeline; the heat exchanger The top of 1 is provided with a second extraction solution outlet 14, the bottom is provided with a second extraction solution inlet 13, the second extraction solution outlet 14 is connected to the first extraction solution inlet 211 through a pipeline, and the second extraction solution inlet 13 is connected to the first extraction solution inlet 211. The circulation pump 6 communicates through pipelines.

The extracting liquid is continuously delivered to the inside of the heat exchanger 1 through the first extracting liquid outlet 221, the circulation pump 6, and the second extracting liquid inlet 13 for heat exchange. The first extraction liquid inlet 211 is continuously transported to the extraction tank 2, so that the cycle is repeated, energy consumption is saved, and extraction efficiency is improved. The second extracting liquid inlet 13 is arranged at the bottom of the heat exchanger 1, and the second extracting liquid outlet 14 is arranged at the top of the heat exchanger 1, adopting the way of entering from the bottom and exiting from the top, which improves the heat transfer efficiency and makes the heat exchange effect better , At the same time, the heat transfer medium runs in the same direction as the extraction liquid, which increases the heat exchange time, improves the heat transfer efficiency, and saves energy consumption.

Preferably, the extraction tank 2 includes an upper tank body 21 and a lower tank body 22 , and the upper tank body 21 and the lower tank body 22 are connected by a flange 9 .

The extraction tank 2 includes an upper tank body 21 and a lower tank body 22, which is convenient for later maintenance and cleaning of the extraction tank 2. At the same time, the medicinal residues generated during the extraction are generally deposited in the lower tank body 22, which can be removed when a thorough slag removal is required. The lower tank body 22 performs slagging operation, which is simple and convenient. The first extraction liquid inlet 211 is disposed on the upper tank body 21 , and the first extraction liquid outlet 221 is disposed on the bottom of the lower tank body 22 .

Preferably, the volume ratio of the upper tank body 21 and the lower tank body 22 is 5:1.

The volume of the lower tank body 22 is one-fifth of that of the upper tank body 21, which is convenient for later maintenance and cleaning.

The above-mentioned embodiment is a preferred implementation of the utility model. In addition, the utility model can also be realized in other ways. Any obvious replacement is within the scope of protection of the utility model without departing from the concept of the utility model. Inside.

Claims (10)

1. An extraction device with double temperature control for external circulation, characterized in that: it includes a heat exchanger, an extraction tank communicated with the inner chamber of the heat converter, and a heating tank communicated with the side wall of the heat converter, and the heating tank is provided with a useful For the temperature controller for controlling the temperature of the heating tank, a cooling jacket is set on the outside of the extraction tank. 2. The extraction equipment with double temperature control in external circulation according to claim 1, characterized in that: the lower end of the cooling jacket is provided with a cooling medium inlet, and the upper end is provided with a cooling medium outlet. 3. The external circulation double temperature control extraction device according to claim 1, characterized in that: the side walls of the heating tank and the heat exchanger are connected through a heat conduction oil pump. 4. The external circulation double temperature control extraction device according to claim 3, characterized in that: the upper end of the side wall of the heat exchanger is provided with a first heat transfer medium outlet, and the lower end is provided with a first heat transfer medium Inlet, the first heat transfer medium inlet communicates with the heat conduction oil pump through a pipeline. 5. A kind of external circulation double temperature control extraction equipment according to claim 4, characterized in that: the upper end of the heating tank is provided with a second heat transfer medium inlet, and the lower end is provided with a second heat transfer medium outlet, the The second heat transfer medium inlet communicates with the first heat transfer medium outlet through a pipeline, and the second heat transfer medium outlet communicates with the heat transfer oil pump through a pipeline. 6. The external circulation double temperature control extraction equipment according to claim 1, characterized in that: the heat converter and the extraction tank are connected through a circulation pump. 7. A kind of external circulation double temperature control extraction equipment according to claim 6, characterized in that: the upper end of the extraction tank is provided with a first extraction liquid inlet, the lower end is provided with a first extraction liquid outlet, the first extraction liquid The outlet communicates with the circulation pump through a pipeline. 8. A kind of external circulation dual temperature control extraction equipment according to claim 7, characterized in that: the top of the heat exchanger is provided with a second extraction liquid outlet, the bottom is provided with a second extraction liquid inlet, and the second extraction The outlet of the extraction liquid is communicated with the inlet of the first extraction liquid through a pipeline, and the inlet of the second extraction liquid is communicated with the circulation pump through a pipeline. 9. A kind of external circulation double temperature control extraction equipment according to claim 1, characterized in that: the extraction tank includes an upper tank body and a lower tank body, and a flange is passed between the upper tank body and the lower tank body connect. 10. The external circulation double temperature control extraction device according to claim 9, characterized in that: the volume ratio of the upper tank body and the lower tank body is 5:1.