CN213527528U - Artemisinin countercurrent extraction recovery plant - Google Patents
Artemisinin countercurrent extraction recovery plant Download PDFInfo
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- CN213527528U CN213527528U CN202022359175.5U CN202022359175U CN213527528U CN 213527528 U CN213527528 U CN 213527528U CN 202022359175 U CN202022359175 U CN 202022359175U CN 213527528 U CN213527528 U CN 213527528U
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Abstract
The application relates to the field of artemisinin extraction, in particular to artemisinin countercurrent extraction and recovery equipment, which comprises a countercurrent extraction device, wherein the countercurrent extraction device comprises an extraction main body, and a feeding end, a liquid outlet end and a slag outlet end which are arranged on the extraction main body, wherein the feeding direction of the feeding end is opposite to that of the liquid feeding end; the squeezing device is connected with the slag discharging end and is used for further squeezing the material slag discharged from the slag discharging end; the drying device is connected with the squeezing device and is used for drying the compressed material slag squeezed by the squeezing device; and the tail gas recovery device is connected with the drying device and is used for cooling and recovering the steam formed by the drying device. The utility model provides an artemisinin countercurrent extraction recovery plant, through countercurrent extraction device countercurrent extraction and squeeze the device and squeeze the back, can extract the artemisinin in the sweet wormwood more fully, completely, the cooling recycle of extract steam then has not only practiced thrift the resource, prevents the polluted environment simultaneously.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to the field of artemisinin extraction, in particular to artemisinin countercurrent extraction and recovery equipment.
[ background of the invention ]
Herba Artemisiae Annuae is the whole plant of Artemisia annua L of Compositae, and is a high-efficiency and quick-acting antimalarial drug. Acting on the inner stage of plasmodium erythrocyte, is suitable for vivax malaria and malignant malaria, and particularly has good effect on rescuing cerebral malaria. Its antipyretic time and negative-turning time of plasmodium are both shorter than those of chloroquine. The product is also effective on plasmodium with chloroquine resistance. The method for extracting artemisinin from sweet wormwood herb is based on the extraction principle, and mainly comprises an ether extraction method and a solvent oil extraction method, so that the extraction is not complete.
In addition, the sweet wormwood herb forms residue after primary extraction, and the residue needs to be further pressed to more completely extract the artemisinin in the sweet wormwood herb, but a small amount of unextracted artemisinin still exists in the residue formed in the manner.
[ summary of the invention ]
The utility model aims to provide an artemisinine countercurrent extraction recovery plant, through countercurrent extraction device countercurrent extraction and squeeze the device and squeeze the back, can extract the artemisinine in the sweet wormwood more fully, completely, the cooling recycle of extract steam then has not only practiced thrift the resource, prevents the polluted environment simultaneously.
The application is realized by the following technical scheme:
artemisinin countercurrent extraction recovery plant includes:
the countercurrent extraction device comprises an extraction main body, and a feeding end, a liquid discharging end and a slag discharging end which are arranged on the extraction main body, wherein the feeding end and the liquid feeding end are opposite in conveying direction;
the squeezing device is connected with the slag discharging end and is used for further squeezing the material slag discharged from the slag discharging end;
the drying device is connected with the squeezing device and is used for drying the compressed material slag squeezed by the squeezing device;
and the tail gas recovery device is connected with the drying device and is used for cooling and recovering the steam formed by the drying device.
The artemisinin countercurrent extraction and recovery equipment comprises the tail gas recovery device which comprises:
the primary condensation mechanism comprises a primary air inlet, a primary gas outlet and a primary liquid outlet, and the primary air inlet is connected with the steam outlet of the drying device;
a primary condensation receiver connected to the primary liquid outlet;
the secondary condensation mechanism comprises a secondary air inlet, a secondary gas outlet and a secondary liquid outlet, and the secondary air inlet is connected with the primary gas outlet;
a secondary condensation receiver connected with the secondary liquid outlet;
the collecting barrel is connected with the primary condensation receiver and the secondary condensation receiver;
and the gas-liquid separator is connected with the secondary gas outlet.
The artemisinin countercurrent extraction and recovery device comprises an extraction main body, wherein the extraction main body comprises a plurality of stacked single channels which are communicated end to form an extraction channel, a feeding end is communicated with the upper left side of the extraction channel, a liquid outlet end is communicated with the upper right side of the extraction channel, and the upper liquid end and a slag outlet end are communicated with the lower right side of the extraction channel.
The equipment for countercurrent extraction and recovery of artemisinin is characterized in that a first temperature detector and a first pressure detector are arranged in the extraction channel, and a second temperature detector and a second pressure detector are arranged at the tail part of the tail gas recovery device.
The liquid outlet end of the countercurrent extraction device is connected with a chromatography tank for separating out artemisinin.
The artemisinin countercurrent extraction and recovery equipment comprises a drying device and a heating plate.
The arteannuin countercurrent extraction recovery device is characterized in that the pressing device is a screw press, and a heating device is annularly arranged on the outer peripheral side of a pressing cavity of the screw press.
The heating device is a surrounding heating pipe.
Compared with the prior art, the method has the following advantages:
1. the artemisinin countercurrent extraction and recovery equipment can more fully and completely extract artemisinin in the sweet wormwood herb after countercurrent extraction by the countercurrent extraction device and squeezing treatment by the squeezing device, and cooling and recycling of steam of the extracting solution not only saves resources, but also prevents environmental pollution.
2. Extract steam among the drying device is through the multiple cooling of one-level condensation mechanism and second grade condensation mechanism, and the cooling is more abundant, and the exhaust basically is harmless gas behind the vapour and liquid separator, avoids the polluted environment, and the extract that the cooling formed then flows into respectively in one-level condensation receiver and the second grade condensation receiver, finally collects in the collecting vessel, can be used to in the next artemisinin draws.
3. The heating device keeps the temperature in the squeezing cavity of the screw press in the optimal temperature range for extracting the extracting solution, so that the extracting solution squeezed and extruded can be ensured to contain higher content of artemisinin.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 1, the embodiment of the present application provides an artemisinin countercurrent extraction and recovery apparatus, which includes a countercurrent extraction device 1, a squeezing device 2, a drying device 3, and a tail gas recovery device 4.
The countercurrent extraction device 1 comprises an extraction main body 10, and a feeding end 11, a liquid feeding end 12, a liquid discharging end 13 and a slag discharging end 14 which are arranged on the extraction main body 10, wherein the feeding end 11 and the liquid feeding end 12 are opposite in conveying direction.
The squeezing device 2 is connected with the slag discharging end 14 and is used for further squeezing the slag discharged from the slag discharging end 14.
And the drying device 3 is connected with the squeezing device 2 and is used for drying the compressed material slag formed by squeezing of the squeezing device 2.
The tail gas recovery device 4 is connected with the drying device 3 and used for cooling and recovering steam formed by the drying device 3.
Raw materials to be extracted enter from a feeding end 11 of the countercurrent extraction device 1, extracting solution enters from an upper liquid end 12, the raw materials to be extracted and the extracting solution are extracted in the countercurrent extraction device 1 in a countercurrent flow manner, the extraction is more sufficient, after the extraction is completed, the extracting solution containing artemisinin flows out from a liquid outlet end 13, material slag of which artemisinin is primarily extracted flows out from a slag outlet end 14, the material slag is further squeezed by a squeezing device 2 after coming out to form compressed material slag, the compressed material slag enters a drying device 3 for drying, the artemisinin content of the dried compressed material slag is basically zero, extracting solution steam generated in the drying process is cooled and recovered by a tail gas recovery device 4, and the recovered steam can be continuously used as the extracting solution for the next time.
The artemisinin countercurrent extraction and recovery equipment can more fully and completely extract artemisinin in the sweet wormwood herb after countercurrent extraction by the countercurrent extraction device 1 and squeezing treatment by the squeezing device 2, and cooling and recycling of extracting solution steam not only saves resources, but also prevents environmental pollution.
Accordingly, the tail gas recovery device 4 includes: the primary condensation mechanism 41 comprises a primary air inlet 411, a primary gas outlet 412 and a primary liquid outlet 413, wherein the primary air inlet 411 is connected with a steam outlet of the drying device 3; a primary condensate receiver 43 connected to the primary liquid outlet 413; the secondary condensation mechanism 42 comprises a secondary gas inlet 421, a secondary gas outlet 422 and a secondary liquid outlet 423, and the secondary gas inlet 421 is connected with the primary gas outlet 412; a secondary condensate receiver 44 connected to the secondary liquid outlet 423; a collecting tub 45 connected with the primary condensation receiver 43 and the secondary condensation receiver 44; a gas-liquid separator 46 connected to the secondary gas outlet 422. Specifically, the primary condensation mechanism 41 and the secondary condensation mechanism 42 are water chilling units.
The extracting solution steam in the drying device 3 is cooled by the first-stage condensing mechanism 41 and the second-stage condensing mechanism 42 in multiple ways, the cooling is more sufficient, the extracting solution is basically harmless gas discharged after passing through the gas-liquid separator 46, the environment pollution is avoided, the extracting solution formed by cooling flows into the first-stage condensing receiver 43 and the second-stage condensing receiver 44 respectively, and finally is collected in the collecting barrel 45 and can be used for next extraction of artemisinin.
Further, the extraction main body 10 comprises a plurality of stacked single channels which are communicated end to form an extraction channel 101, the feeding end 11 is communicated with the upper left side of the extraction channel 101, the liquid outlet end 13 is communicated with the upper right side of the extraction channel 101, and the upper liquid outlet end 12 and the slag outlet end 14 are communicated with the lower right side of the extraction channel 101. The flow direction of the extraction channel 101 is from top left to bottom right, and through the stacked layout, the space can be saved, and the sufficient length is kept, namely, the contact time between the raw material to be extracted and the extracting solution is ensured, and the extraction is more complete.
As the extraction rate of the extracting solution is optimal at 50-60 ℃, the temperature in the extracting channel 101 is kept as high as possible, and the pressure during the raw material conveying is prevented from being too high, so that a first temperature detector and a first pressure detector are arranged in the extracting channel 101; the afterbody of tail gas recovery unit 4 is equipped with second thermodetector and second pressure detector, through the temperature and the pressure that detect 4 afterbodies of tail gas recovery unit, can monitor whether tail gas cools off completely.
The extraction solution needs chromatography after extracting artemisinin, so the liquid outlet end 13 of the countercurrent extraction device 1 is connected with a chromatography tank for separating out artemisinin, preferably, the chromatography tank disclosed in the Chinese invention patent with the publication number of CN105597369B is selected as the chromatography tank.
In this embodiment, the drying device 3 is a heating plate as one embodiment and is not limited thereto.
More preferably, the pressing device 2 is a screw press, and a heating device 21 is annularly arranged on the outer peripheral side of a pressing cavity of the screw press. Specifically, the heating device 21 is a winding heating tube. The heating device 21 is used for keeping the temperature in the squeezing cavity of the screw squeezer in the optimal temperature range for extracting the extracting solution, so that the extracting solution squeezed and extruded can be guaranteed to contain higher content of artemisinin. Of course, the screw press may also be provided with a temperature controller to control the temperature range.
In summary, the present application has, but is not limited to, the following beneficial effects:
1. the artemisinin countercurrent extraction and recovery equipment can more fully and completely extract artemisinin in the sweet wormwood herb after countercurrent extraction by the countercurrent extraction device 1 and squeezing treatment by the squeezing device 2, and cooling and recycling of extracting solution steam not only saves resources, but also prevents environmental pollution.
2. The extracting solution steam in the drying device 3 is cooled by the first-stage condensing mechanism 41 and the second-stage condensing mechanism 42 in multiple ways, the cooling is more sufficient, the extracting solution is basically harmless gas discharged after passing through the gas-liquid separator 46, the environment pollution is avoided, the extracting solution formed by cooling flows into the first-stage condensing receiver 43 and the second-stage condensing receiver 44 respectively, and finally is collected in the collecting barrel 45 and can be used for next extraction of artemisinin.
3. The heating device 21 keeps the temperature in the squeezing cavity of the screw press in the optimal temperature range for extracting the extracting solution, so that the extracting solution squeezed and extruded can be ensured to contain higher content of artemisinin.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures, etc. as used herein, or several technical inferences or substitutions made on the concept of the present application should be considered as the scope of the present application.
Claims (8)
1. Artemisinin countercurrent extraction recovery plant which is characterized by comprising:
the countercurrent extraction device (1) comprises an extraction main body (10), and a feeding end (11), an upper liquid end (12), a liquid outlet end (13) and a slag outlet end (14) which are arranged on the extraction main body (10), wherein the feeding end (11) and the upper liquid end (12) are opposite in conveying direction;
the squeezing device (2) is connected with the slag discharging end (14) and is used for further squeezing the material slag discharged from the slag discharging end (14);
the drying device (3) is connected with the squeezing device (2) and is used for drying the compressed material slag squeezed by the squeezing device (2);
and the tail gas recovery device (4) is connected with the drying device (3) and is used for cooling and recovering steam formed by the drying device (3).
2. The artemisinin countercurrent extraction and recovery equipment of claim 1, wherein the tail gas recovery device (4) comprises:
the primary condensation mechanism (41) comprises a primary air inlet (411), a primary gas outlet (412) and a primary liquid outlet (413), and the primary air inlet (411) is connected with a steam outlet of the drying device (3);
a primary condensation receiver (43) connected to the primary liquid outlet (413);
the secondary condensation mechanism (42) comprises a secondary gas inlet (421), a secondary gas outlet (422) and a secondary liquid outlet (423), and the secondary gas inlet (421) is connected with the primary gas outlet (412);
a secondary condensation receiver (44) connected to the secondary liquid outlet (423);
a collecting tub (45) connected with the primary condensation receiver (43) and the secondary condensation receiver (44);
a gas-liquid separator (46) connected with the secondary gas outlet (422).
3. The equipment for the countercurrent extraction and recovery of artemisinin as claimed in claim 2, wherein the extraction body (10) comprises a plurality of stacked single channels connected end to form an extraction channel (101), the feeding end (11) is connected to the upper left side of the extraction channel (101), the tapping end (13) is connected to the upper right side of the extraction channel (101), and the tapping end (12) and the tapping end (14) are connected to the lower right side of the extraction channel (101).
4. The equipment for the countercurrent extraction and recovery of artemisinin in claim 3, wherein a first temperature detector and a first pressure detector are arranged in the extraction channel (101), and a second temperature detector and a second pressure detector are arranged at the tail part of the tail gas recovery device (4).
5. The equipment for the countercurrent extraction and recovery of artemisinin as claimed in claim 1, wherein the liquid outlet end (13) of the countercurrent extraction device (1) is connected with a chromatography tank for precipitation of artemisinin.
6. The equipment for the countercurrent extraction and recovery of artemisinin in claim 1, wherein the drying device (3) is a heating plate.
7. The equipment for the countercurrent extraction and recovery of artemisinin in claim 1, wherein the pressing device (2) is a screw press, the peripheral side of the pressing chamber of which is annularly provided with a heating device (21).
8. The equipment for the countercurrent extraction and recovery of artemisinin in claim 7, wherein the heating device (21) is a surrounding heating tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022359175.5U CN213527528U (en) | 2020-10-21 | 2020-10-21 | Artemisinin countercurrent extraction recovery plant |
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| CN202022359175.5U CN213527528U (en) | 2020-10-21 | 2020-10-21 | Artemisinin countercurrent extraction recovery plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113683624A (en) * | 2021-10-12 | 2021-11-23 | 湖南星辰生物科技股份有限公司 | Extraction method of artemisinin |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113683624A (en) * | 2021-10-12 | 2021-11-23 | 湖南星辰生物科技股份有限公司 | Extraction method of artemisinin |
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Denomination of utility model: Artemisinin countercurrent extraction and recovery equipment Effective date of registration: 20230907 Granted publication date: 20210625 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yongzhou cold water bank branch Pledgor: Hunan Xingchen Biotechnology Co.,Ltd. Registration number: Y2023980055792 |