CN101502725A - Low temperature distillation/reflux extraction device - Google Patents
Low temperature distillation/reflux extraction device Download PDFInfo
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- CN101502725A CN101502725A CNA2009100461327A CN200910046132A CN101502725A CN 101502725 A CN101502725 A CN 101502725A CN A2009100461327 A CNA2009100461327 A CN A2009100461327A CN 200910046132 A CN200910046132 A CN 200910046132A CN 101502725 A CN101502725 A CN 101502725A
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Abstract
A low temperature distillation/reflux extraction device aims at solving the problems of high energy consumption, low efficiency and long extraction cycle of the prior extraction device. The invention comprises an extraction container, a reflux tube communicated with the upper part and the bottom part of the extraction container, a sample filtration paper cylinder arranged in the extraction container, a collector which is communicated with the extraction container and used for collecting extraction liquid, a ball-shape condensation pipe communicated with the upper end of the extraction container, a heating device which is used for heating the containing cavity of the collector, a cooling device which is used for cooling the ball-shape condensation pipe, and a semi-conductor cooling awl providing thermal source for the heating device and cold source for the cooling device, with the upper end being the cold end and the lower end being the hot end. The invention adopts the semi-conductor cooling awl simultaneously as the thermal source and the cold source for heating and cooling at the same time with rapid speed, thus reducing energy consumption and improving extraction efficiency; in addition, the cooling device of the invention can be used under the condition of no water source, thus saving water resource.
Description
Technical field
The present invention relates to a kind of extraction equipment, particularly a kind of low temperature distillation/reflux extraction device with semiconductor heating-condensation.
Background technology
Extraction is to separate or the most frequently used a kind of technology of enrichment organic matter, and its basic principle is to utilize material difference of solubility or distribution ratio in two kinds do not dissolve each other (or slightly soluble) solvent to reach separation, extraction or purifying purpose.The height of extraction efficiency also depends on the quality of extraction equipment except the composition and solvent characteristics that depend on mixture, after extraction systems such as mixture and solvent were determined, extraction equipment was a key factor of determining the extraction efficiency height.
In the extraction process of field active ingredients such as environment, medicine, food, chemical industry, need to use distilling and extracting device.Because the sample to be extracted complexity, the extraction component difference tends to adopt different extraction equipments and method to extract.In recent years, people have done multiple trial in the hope of finding a kind of the device efficiently, efficiently to replace traditional soxhlet extraction device, for example, and automatic soxhlet extraction device, micro-wave digestion, ultrasonic extraction device and supercritical extraction unit etc.In automatic soxhlet extraction, owing to sample is immersed in the solvent of boiling during extraction, so rate of extraction and the more conventional soxhlet extraction method of extraction efficiency is fast and solvent load is few; Temperature when the supercritical liq extraction can extract by raising improves its rate of recovery.Microwave abstracting then is to utilize a kind of container that can exert pressure, and solvent is heated on its boiling point, improves its extraction efficiency.Though above each extraction is compared with the soxhlet extraction method of classics very big progress has been arranged, the consumption of organic solvent is still on the high side, and the extraction time is longer, and extraction efficiency is high not enough, and power consumption is bigger.
In order to solve existing extraction equipment energy consumption height, required time length and inefficient shortcoming, need badly and want a cover to adapt to the extraction equipment that various different samples extract operation, to satisfy the needs that different field product development, technical study and industry, agricultural, food, medicine etc. are produced.
Summary of the invention
The objective of the invention is provides a kind of low temperature distillation/reflux extraction device in order to solve the problem that prior art exists, and energy consumption is higher when extracting operation to solve existing extraction equipment, and efficient is lower, the problem that extraction cycle is long.
The objective of the invention is to be achieved through the following technical solutions:
A kind of low temperature distillation/reflux extraction device is characterized in that, comprising:
Extraction container, comprise the extraction container containing cavity that is used to hold sample and solvent, be in extraction container containing cavity upper end and the extraction container charging aperture that is communicated with the extraction container containing cavity, the wireway that is communicated with the extraction container charging aperture and the return duct that is communicated with the top and the bottom of extraction container containing cavity, be communicated with a siphon pipe in the bottom of extraction container containing cavity;
Be provided with the sample filtration paper cylinder in the described extraction container containing cavity;
The lower end of described extraction container is connected with the gatherer that is used to collect extract, and described gatherer comprises the gatherer containing cavity and be in the gatherer openend of gatherer containing cavity upper end that the gatherer containing cavity is communicated with by gatherer openend and described siphon pipe;
The upper end of described extraction container is provided with the spherical condensating tube that is communicated with described wireway;
Be used for heater to described gatherer containing cavity extract heating;
Be used for carrying out the cooling device of condensation to described spherical condensating tube;
What thermal source is provided and provides low-temperature receiver for described cooling device for described heater is the cold awl of semiconductor, and its upper end is a cold junction, and the lower end is the hot junction, and the cold awl of semiconductor connects a direct current power supply.
In addition, purpose of the present invention also can be achieved through the following technical solutions:
A kind of low temperature distillation extraction equipment is characterized in that, comprising:
The distillation extraction bottle comprises and holds sample and the distillation extraction bottle containing cavity of solvent and the distillation extraction bottle charging aperture that is in distillation extraction bottle containing cavity upper end and communicates;
Receiving flask, the container of collection extract;
Condenser west tube, the one end is connected with described distillation extraction bottle charging aperture by perforated rubber stopper, and the other end is communicated with described receiving flask by polytetrafluoroethylene (PTFE) plug with holes;
Be used for heater to described distillation extraction bottle extract heating;
Be used for carrying out the cooling device of condensation to described condenser west tube;
What thermal source is provided and provides low-temperature receiver for described cooling device for described heater is the cold awl of semiconductor, and its upper end is a cold junction, and the lower end is the hot junction, and the cold awl of semiconductor connects a direct current power supply.
Beneficial effect of the present invention:
1, extraction equipment of the present invention can extract under totally-enclosed condition, can avoid the injury of toxic solvent to operating personnel;
2, extraction equipment of the present invention uses the cold awl of semiconductor simultaneously as thermal source and low-temperature receiver, can reach cooling and heat two kinds of purposes by changing the sense of current, noiselessness, nothing wearing and tearing, reliable, easy to maintenance, heat up simultaneously, cooling velocity is fast, therefore traditional extraction equipment does not possess this function, and extraction equipment of the present invention is compared the extraction time and can be significantly reduced with traditional extraction equipment;
3, liquid cooling of the present invention-air-cooled combined radiator passes to medium as low-temperature end, can use under no water source, has avoided the traditional extraction device to use the shortcoming of running water as condensed water, conserve water resource greatly;
4, condensed water of the present invention is from flowing into from a thermal source end far away, and is relative with the steam direction from flowing out from the near end of thermal source, increases time of contact, thereby condensation efficiency is improved greatly;
5, heat-pipe type radiator of the present invention is as the disconnected conductive medium of high temperature, and volume is little, in light weight, the heat transfer efficiency height, and energy consumption reduces greatly;
6, extraction equipment applicability of the present invention is wide, applicable to the extraction of the active principle in the multiple different samples, can adjust solvent, temperature, circulation timei simultaneously, and reliable, extraction efficiency easy and simple to handle improves greatly.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of one of extraction equipment embodiment of the present invention.
Fig. 2 is two the structural representation of extraction equipment embodiment of the present invention.
The explanation of main Reference numeral among the figure:
1-temperature controller 2-temp probe 3-gatherer 4-extraction container
5-sample filtration paper cylinder 6-spherical condensating tube 7-fin air-cooled radiator
The 8-liquid cooling cold awl of a 9-water pump 10-semiconductor 11-heat-pipe radiator
12-tank 13-dc source 14-distillation extraction bottle 15-receiving flask
16-condenser west tube 17-perforated rubber stopper 18-polytetrafluoroethylene (PTFE) plug with holes
The specific embodiment
Be elaborated below in conjunction with the accompanying drawing of embodiment the specific embodiment to low temperature distillation of the present invention/reflux extraction device.
See also Fig. 1.
Fig. 1 is the structural representation of one of embodiments of the invention, and among this embodiment, a kind of low temperature distillation or low temperature reflux extraction equipment with semiconductor heating-condensation of the present invention mainly comprises with lower member:
In extraction container 4, be provided with sample filtration paper cylinder 5.During use, need the sample of extraction to place sample filtration paper cylinder 5.
Be provided with the spherical condensating tube 6 that is communicated with above-mentioned wireway 43 in the upper end of extraction container 4, extraction during operation the solvent vapo(u)r in the extraction container 4 rise in the spherical condensating tube 6 by wireway 43, spherical condensating tube 6 splashes into the containing cavity 41 of extraction container 4 again from its bottom after under the effect of condensed water this solvent vapour being condensed into liquid again.The upper end of spherical condensating tube 6 communicates with atmosphere.
Be connected with the gatherer 3 that is used to deposit solvent and collects extract in the lower end of extraction container 4.Gatherer 3 comprises gatherer containing cavity 31 and is in the gatherer openend 32 of gatherer containing cavity 31 upper ends that gatherer containing cavity 31 is communicated with by the siphon pipe 45 of gatherer openend 32 and extraction container 4.The effect of return duct 44 is when the solvent face in the extraction container 4 surpasses the highest point of return duct 44, and the solvent that will contain extract reclaims in the gatherer containing cavity 31 of storage 3 by siphon pipe 45 siphons, thereby reaches the purpose of extraction.
In addition, also comprise in this extraction equipment and be used for to the heater of described gatherer containing cavity 31 extracts heating and be used for the cooling device that carries out condensation to described spherical condensating tube 6.
What thermal source is provided and provides low-temperature receiver for cooling device for heater in this extraction equipment is the cold awl 10 of semiconductor.The upper end of the cold awl 10 of semiconductor is cold junctions, and the lower end is the hot junction, and its temperature range is 0 ℃～65 ℃, so this device is the low temperature distillation or the low temperature reflux extraction equipment of semiconductor heating-condensation.
The cold awl 10 of semiconductor places on the heat-pipe radiator 11, that is, the hot junction of the cold awl 10 of semiconductor is connected with heat-pipe radiator 11.
The cold awl 10 of semiconductor connects a direct current power supply 13, and the cold awl of semiconductor 10 energising backs are by heat exchange means, constantly dispels the heat and keep certain temperature, the described heat-pipe radiator 11 of its heat radiation heat transferred in its hot junction.
See also Fig. 2.
Fig. 2 is two a structural representation of embodiments of the invention, the gatherer 3 in one of the foregoing description, extraction container 4 and sample filtration paper cylinder 5, spherical condensating tube 6 present embodiment two in replace with distillation extraction bottle 14, receiving flask 15, condenser west tube 16 and perforated rubber stopper 17 and polytetrafluoroethylene (PTFE) plug with holes 18 respectively.
Distillation extraction bottle 14 (gatherer 3 that replaces one of embodiment), comprise distillation extraction bottle containing cavity 141 that holds sample and solvent and the distillation extraction bottle charging aperture 142 that is in distillation extraction bottle containing cavity 141 upper ends and communicates, sample that need extract during use and solvent place distillation extraction bottle containing cavity 141.
Receiving flask 15, the container of collection extract;
Condenser west tube 16, the one end is connected with the distillation extraction bottle charging aperture 142 of distillation extraction bottle 14 by perforated rubber stopper 17, and the other end is communicated with described receiving flask 15 by polytetrafluoroethylene (PTFE) plug 18 with holes.
Embodiment two in distillation extraction bottle 14 be arranged in the tank 12 that is filled with water, what place tank 12 jointly also has heat-pipe radiator 11 and temp probe 2 (this structure is identical with one of embodiment).
In addition, also comprise in this extraction equipment and be used for to the heater of described distillation extraction bottle 14 extracts heating and be used for the cooling device that carries out condensation to described condenser west tube 16.One of the structure of this heater and cooling device and embodiment's is identical, does not repeat them here.
The process that the extraction equipment that adopts one of the foregoing description is carried out extracting operation describes below.
With the described extraction equipment of Fig. 1 crude fat in the peanut is extracted.
The 5g peanut sample of anticipating wrapped with filter paper fill in the sample filtration paper cylinder 5, add the 100ml benzinum in gatherer 3, temperature controller 1 is set at 65 ℃ with temperature.Under cold awl 10 heat effects of semiconductor, the benzinum volatilization in the gatherer 3 enters in the spherical condensating tube 6 through extraction container 4.Under the acting in conjunction of the cold awl 10 of semiconductor, liquid cooling 8, water pump 9 and fin air-cooled radiator 7, condensed water is cooled to liquid with the crude fat benzinum that contains in the spherical condensating tube 6, and splashes in the gatherer 3 through the return duct 44 of extraction container 4.So repeat the extraction that above-mentioned extraction step can be finished crude fat in the peanut for 20 times.This extraction equipment extraction time is short, only need just can extract crude fat in about 5 hours, and being used for the present embodiment needs, traditional extraction device such as soxhlet's extractor just can be extracted into as much, same highly purified crude fat about 16 hours, and present embodiment can be operated under no water source condition, saves the energy greatly.
The process that two the extraction equipment that adopts the foregoing description is carried out extracting operation describes below.
With the described extraction equipment of Fig. 2 crude fat in the peanut is extracted.
The 5g peanut sample of anticipating with putting into distillation extraction bottle 14, and is added the 100ml benzinum in distillation extraction bottle 14, temperature controller 1 is set at 65 ℃ with temperature.Under cold awl 10 heat effects of semiconductor, the benzinum volatilization in the distillation extraction bottle 14 enters in the condenser west tube 16.Under the acting in conjunction of the cold awl 10 of semiconductor, liquid cooling 8, water pump 9 and fin air-cooled radiator 7, condensed water is cooled to liquid with the crude fat benzinum that contains in the condenser west tube 16, directly splashes in the receiving flask 15.So repeat the extraction that above-mentioned extraction step can be finished crude fat in the peanut sample for 20 times.This extraction equipment extraction time is short, only need just can extract crude fat in about 4 hours, and being used for the present embodiment needs, traditional extraction device such as soxhlet's extractor just can be extracted into as much, same highly purified crude fat about 16 hours, and present embodiment can be operated under no water source condition, saves the energy greatly.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (12)
1, a kind of low temperature distillation/reflux extraction device is characterized in that, comprising:
Extraction container, comprise the extraction container containing cavity that is used to hold sample and solvent, be in extraction container containing cavity upper end and the extraction container charging aperture that is communicated with the extraction container containing cavity, the wireway that is communicated with the extraction container charging aperture and the return duct that is communicated with the top and the bottom of extraction container containing cavity, be communicated with a siphon pipe in the bottom of extraction container containing cavity;
Be provided with the sample filtration paper cylinder in the described extraction container containing cavity;
The lower end of described extraction container is connected with the gatherer that is used to collect extract, and described gatherer comprises the gatherer containing cavity and be in the gatherer openend of gatherer containing cavity upper end that the gatherer containing cavity is communicated with by gatherer openend and described siphon pipe;
The upper end of described extraction container is provided with the spherical condensating tube that is communicated with described wireway;
Be used for heater to described gatherer containing cavity extract heating;
Be used for carrying out the cooling device of condensation to described spherical condensating tube;
What thermal source is provided and provides low-temperature receiver for described cooling device for described heater is the cold awl of semiconductor, and its upper end is a cold junction, and the lower end is the hot junction, and the cold awl of semiconductor connects a direct current power supply.
2, low temperature distillation according to claim 1/reflux extraction device is characterized in that:
Described extraction container charging aperture is the ground type.
3, low temperature distillation according to claim 1/reflux extraction device is characterized in that:
The upper end of described spherical condensating tube communicates with atmosphere.
4, low temperature distillation according to claim 1/reflux extraction device is characterized in that:
Described heater also comprises the heat-pipe radiator that is connected with the cold vertebra of described semiconductor lower end, and described heat-pipe radiator and described gatherer place the tank that is filled with water jointly, also is equipped with temp probe in the tank.
5, low temperature distillation according to claim 4/reflux extraction device is characterized in that:
Described temp probe connects a temperature controller, and this temperature controller connects described dc source.
6, low temperature distillation according to claim 1/reflux extraction device is characterized in that:
Described cooling device is the circulation line device of condensed water, its structure is: the cold awl of described semiconductor upper end is equipped with the liquid cooling head, the liquid cooling head comprises containing cavity, inlet, the liquid outlet that holds cold water, this liquid outlet is connected with the condensed water import of described spherical condensating tube by pipeline, this inlet connects a water pump by pipeline, this water pump connects a fin air-cooled radiator by pipeline, and this fin air-cooled radiator is connected with the condensation-water drain of described spherical condensating tube by pipeline.
7, low temperature distillation according to claim 1/reflux extraction device is characterized in that:
The temperature range of the cold vertebra of described semiconductor is 0 ℃～65 ℃.
8, a kind of low temperature distillation extraction equipment is characterized in that, comprising:
The distillation extraction bottle comprises and holds sample and the distillation extraction bottle containing cavity of solvent and the distillation extraction bottle charging aperture that is in distillation extraction bottle containing cavity upper end and communicates;
Receiving flask, the container of collection extract;
Condenser west tube, the one end is connected with described distillation extraction bottle charging aperture by perforated rubber stopper, and the other end is communicated with described receiving flask by polytetrafluoroethylene (PTFE) plug with holes;
Be used for heater to described distillation extraction bottle extract heating;
Be used for carrying out the cooling device of condensation to described condenser west tube;
What thermal source is provided and provides low-temperature receiver for described cooling device for described heater is the cold awl of semiconductor, and its upper end is a cold junction, and the lower end is the hot junction, and the cold awl of semiconductor connects a direct current power supply.
9, low temperature distillation extraction equipment according to claim 8 is characterized in that:
Described heater also comprises the heat-pipe radiator that is connected with the cold vertebra of described semiconductor lower end, and described heat-pipe radiator and described distillation extraction bottle place the tank that is filled with water jointly, also are equipped with temp probe in the tank.
10, low temperature distillation extraction equipment according to claim 9 is characterized in that:
Described temp probe connects a temperature controller, and this temperature controller connects described dc source.
11, low temperature distillation extraction equipment according to claim 8 is characterized in that:
Described cooling device is the circulation line device of condensed water, its structure is: the cold awl of described semiconductor upper end is equipped with the liquid cooling head, the liquid cooling head comprises containing cavity, inlet, the liquid outlet that holds cold water, this liquid outlet is connected with the condensed water import of described condenser west tube by pipeline, this inlet connects a water pump by pipeline, this water pump connects a fin air-cooled radiator by pipeline, and this fin air-cooled radiator is connected with the condensation-water drain of described condenser west tube by pipeline.
12, low temperature distillation extraction equipment according to claim 8 is characterized in that:
The temperature range of the cold vertebra of described semiconductor is 0 ℃～65 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100461327A CN101502725A (en) | 2009-02-12 | 2009-02-12 | Low temperature distillation/reflux extraction device |
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| CNA2009100461327A CN101502725A (en) | 2009-02-12 | 2009-02-12 | Low temperature distillation/reflux extraction device |
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| CN101502725A true CN101502725A (en) | 2009-08-12 |
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| CNA2009100461327A Pending CN101502725A (en) | 2009-02-12 | 2009-02-12 | Low temperature distillation/reflux extraction device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102058998A (en) * | 2010-11-09 | 2011-05-18 | 上海化工研究院 | Heat pump type liquid-solid extraction device |
| CN105617710A (en) * | 2016-01-27 | 2016-06-01 | 福建师范大学 | Circular extraction device and method |
| CN105733809A (en) * | 2016-02-29 | 2016-07-06 | 广西壮族自治区分析测试研究中心 | Method and equipment for producing jasmine hydrolat through low temperature distillation |
| CN107088315A (en) * | 2017-06-19 | 2017-08-25 | 广西师范大学 | A kind of device and method for improving backflow efficiency |
| CN107189815A (en) * | 2017-05-24 | 2017-09-22 | 张义中 | A kind of nonpetroleum ether extraction separation device |
| CN108114505A (en) * | 2016-11-28 | 2018-06-05 | 中国电子产品可靠性与环境试验研究所 | Circulating ultrasonic extraction equipment |
| CN110314407A (en) * | 2019-08-01 | 2019-10-11 | 山东新希望六和集团有限公司 | A kind of fat rapidly extracting device |
| WO2020155266A1 (en) * | 2019-01-30 | 2020-08-06 | 深圳市研派科技有限公司 | Servo system provided with liquid cooling device |
| CN113559550A (en) * | 2021-08-26 | 2021-10-29 | 山西大学 | Method and device for extracting flavone from day lily |
-
2009
- 2009-02-12 CN CNA2009100461327A patent/CN101502725A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102058998A (en) * | 2010-11-09 | 2011-05-18 | 上海化工研究院 | Heat pump type liquid-solid extraction device |
| CN105617710A (en) * | 2016-01-27 | 2016-06-01 | 福建师范大学 | Circular extraction device and method |
| CN105617710B (en) * | 2016-01-27 | 2017-09-26 | 福建师范大学 | A kind of cycling extraction device and cycling extraction method |
| CN105733809A (en) * | 2016-02-29 | 2016-07-06 | 广西壮族自治区分析测试研究中心 | Method and equipment for producing jasmine hydrolat through low temperature distillation |
| CN108114505A (en) * | 2016-11-28 | 2018-06-05 | 中国电子产品可靠性与环境试验研究所 | Circulating ultrasonic extraction equipment |
| CN107189815A (en) * | 2017-05-24 | 2017-09-22 | 张义中 | A kind of nonpetroleum ether extraction separation device |
| CN107088315A (en) * | 2017-06-19 | 2017-08-25 | 广西师范大学 | A kind of device and method for improving backflow efficiency |
| WO2020155266A1 (en) * | 2019-01-30 | 2020-08-06 | 深圳市研派科技有限公司 | Servo system provided with liquid cooling device |
| CN110314407A (en) * | 2019-08-01 | 2019-10-11 | 山东新希望六和集团有限公司 | A kind of fat rapidly extracting device |
| CN113559550A (en) * | 2021-08-26 | 2021-10-29 | 山西大学 | Method and device for extracting flavone from day lily |
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Application publication date: 20090812 |