CN103505902B - Multi-pipe type Large Copacity microwave abstracting machine and microwave assisted extraction methods thereof - Google Patents
Multi-pipe type Large Copacity microwave abstracting machine and microwave assisted extraction methods thereof Download PDFInfo
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- CN103505902B CN103505902B CN201210239925.2A CN201210239925A CN103505902B CN 103505902 B CN103505902 B CN 103505902B CN 201210239925 A CN201210239925 A CN 201210239925A CN 103505902 B CN103505902 B CN 103505902B
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Abstract
The present invention discloses a kind of multi-pipe type Large Copacity microwave abstracting machine and microwave assisted extraction methods thereof, belong to biological raw material extraction equipment and extracting process field, this extracter comprises frame, transmission device, microwave tank, microwave device, aerator, rotor arrangement, drawing mechanism, control device, described microwave tank tank skin has several magnetron installing holes be evenly equally spaced; Described microwave device comprises several and is placed in high frequency magnetron pipe on microwave tank tank skin uniformly and equidistantly, and described high frequency magnetron pipe and external power source are connected; Described aerator comprises several compressed air inlet ports be arranged on microwave tank tank skin, compressed air input channel, some magnetic valves; Described rotor arrangement comprises rotating shaft, some stirring wings be fixed on also with it in certain angle of cut in rotating shaft.The invention enables feed liquid in microwave tank constantly to run switch, extract can be made to be subject to electromagnetic field effect equably and heated, improve recovery rate, shorten extraction time.
Description
Technical field
The present invention relates to a kind of biological raw material extraction equipment and extracting process, particularly a kind of multi-pipe type Large Copacity microwave abstracting machine and microwave assisted extraction methods thereof.
Background technology
At present, micro-wave oven is used for biological raw material extraction and is only limitted to laboratory little sample testing, do not apply to produce reality, market is also sold without jumbo microwave abstracting production equipment.Confirm microwave abstracting principle by experiment: microwave process is that frequency electromagnetic waves penetrates spe medium on the one hand, arrive inside vascular bundle and glandular cell's system of material.Owing to absorbing microwave energy, cell interior temperature rises rapidly, makes its cell interior pressure exceed cell wall expansion ability to bear, cell rupture.In cell, active ingredient freely flows out, and under lower temperature conditions, spe medium is caught and dissolved.By filtering further and being separated, just obtain extraction material.On the other hand, the electromagnetic field that microwave produces accelerates to be extracted fractions to extractant interface diffusion rate, when using water as solvent, under microwave field, hydrone high-speed rotation becomes excitation state, and this is a kind of high-energy labile state, or hydrone is vaporized, strengthen the driving force of extracted component; Or hydrone itself releases energy and gets back to ground state, the energy transferring discharged gives other material molecules, accelerate its warm-up movement, the molecule shortening extracted component is diffused into the time at extractant interface by internal batch, thus make extraction rate improve several times, also reduce extraction temperature simultaneously, ensure the quality extracted to greatest extent.It is too little that sample amount is done in laboratory microwave extraction, recovery rate is higher, but apply mechanically to existing extraction equipment after the microwave abstracting equipment in laboratory is carried out engineering Enlargement Design, namely on traditional extractor, high frequency magnetron pipe is installed additional, also there are many technical problems not having to solve, the technology of microwave can not be made full use of, there is no jumbo microwave abstracting equipment in the market and sell.The microwave frequency that microwave applications engineering system adopts is 915-2450MHz, the domestic microwave frequency for Microwave Extraction is mostly 2450MHz at present, its wavelength is 12cm, to the through heating degree of depth of water at 2-3cm, although there is rotor arrangement to rotate in the middle part of microwave extraction tank, feed liquid is always rotated to a direction in the process of rotating, middle material can not be turned to edge very well and can not be contacted very well with microwave source, upper and lower and centre position are all without microwave source, such become some dead bands, the large portion of Microwave Extraction thing of large volume is not subject to electromagnetic field effect at the extract of centre, extract not exclusively, extraction time is long, recovery rate is low, for ginkgo leaf, the recovery rate of ginkgo leaf is 1.5-1.7%, extraction time about 4.5 hours, similar with traditional tank, the words that time puts less are not as good as traditional tank, waste resource greatly.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of multi-pipe type Large Copacity microwave abstracting machine, by injecting compressed air and the structure improving rotor arrangement, feed liquid in microwave tank is made constantly to run switch, extract can be made to be subject to electromagnetic field effect equably, thus improve the recovery rate of biological raw material, shorten extraction time, saved the energy and raw material, reduced production cost.
The present invention proposes a kind of multi-pipe type Large Copacity microwave abstracting machine, comprise frame, transmission device, microwave tank, microwave device, aerator, rotor arrangement, drawing mechanism, control device, described frame supports microwave tank, described transmission device comprises motor, the decelerator that can realize rotating, decelerator outputting power is to rotor arrangement
Described microwave tank top is provided with dog-house, water inlet, and bottom is provided with drawing mechanism, tank skin has several magnetron installing holes be evenly equally spaced;
Described microwave device comprises several and is placed in high frequency magnetron pipe on microwave tank tank skin uniformly and equidistantly, and described high frequency magnetron pipe and external power source are connected;
Described aerator comprises several compressed air inlet ports be arranged on microwave tank tank skin, compressed air input channel, controls some magnetic valves of described compressed air inlet port;
Described rotor arrangement comprises rotating shaft, some stirring wings be fixed on also with it in certain angle of cut in rotating shaft;
Described drawing mechanism comprised pan, bottom of slagging tap, bleeder valve.
Described control device comprises temperature-controlled member, Pressure Control Unit.
Preferably, described temperature-controlled member comprises temperature-sensitive head, and described Pressure Control Unit comprises electricity point and connects pressure controller, air bleeding valve, safety valve, and described temperature-sensitive head, electricity point connect pressure controller, air bleeding valve, safety valve are installed on microwave tank tank skin.
Described stirring wing and rotating shaft are 40 to 70 spend the angle of cut, be evenly distributed in rotating shaft to the dislocation of each stirring wing symmetry, described rotating shaft is wrapped regularly some spiral strand leaves, described some spiral strand leaves are set in parallel, and pin vertical is with it equipped with on described rotating shaft top;
Described stirring wing is arranged on the middle and lower part of rotating shaft, accounts for 1/3 to 2/3 of rotating shaft height.
Described some compressed air inlet ports comprise lay respectively at described microwave tank top, sidewall and bottom top air inlet, sidewall air inlet, bottom air inlet, described sidewall air inlet and rotating shaft have a certain degree, almost parallel with described stirring wing.
Described pan is excessively fixed on slags tap on bottom, described bleeder valve is tightly connected by tube connector with bottom of slagging tap, described bottom of slagging tap removably is contained in the bottom of described microwave tank, described bottom of slagging tap is provided with through hole, described pan is excessively inverted trapezoidal, it has several equally distributed filter bores, described bottom air inlet is connected to bleeder valve and on the tube connector of slagging tap between bottom.
Sealing state is in during described microwave tank work, described rotating shaft enters microwave tank place and is provided with sealing ring, described dog-house is provided with seal cover, sealing ring is established in slag tap bottom and microwave tank junction, described magnetron installing hole place is provided with O-ring seal, and described microwave tank top is also provided with observation window and a light-illuminating hole.
The present invention also provides a kind of microwave assisted extraction methods using above-mentioned multi-pipe type Large Copacity microwave abstracting machine, comprises the following steps:
(A) material that will extract is put in described microwave tank through dog-house;
(B) leaching liquid through preheating is joined in microwave tank through water inlet go, make feed liquid and mixing of materials, certain position above the high frequency magnetron pipe that feed liquid is immersed into microwave tank highest point;
(C) the high frequency magnetron pipe opened on microwave tank tank skin carries out heating using microwave to feed liquid in tank, and rotor arrangement rotates and stirs material;
(D) when extracting temperature often rising uniform temperature or the separated in time of feed liquid, open each sidewall air inlet, the bottom air intake of described microwave tank successively, the same time only has a compressed air inlet port job, when opening next compressed air inlet port, a upper compressed air inlet port is closed, and realizes automatically controlling qi of chong channel ascending adversely once from diverse location in microwave tank;
(F) when feed temperature rises to the maximum temperature of setting, close high frequency magnetron pipe power supply, stop heating using microwave, described rotor arrangement does not stop operating, and carries out insulation extraction certain hour to material,
(G) after completing extraction, rotor arrangement is reversed, the extract in microwave tank is emitted.
Preferably, in described insulation extraction process, open the top air inlet of described microwave tank, in microwave tank, add compressed air, stop aerating when tank internal gas pressure reaches setting value; In extract discharge process, open the top air inlet of described microwave tank, in microwave tank, add compressed air.
Described feed liquid quality is 2000-3000kg, and feed liquid is immersed into 40-50mm above microwave tank highest point high frequency magnetron pipe, and the supplied materials temperature of the described leaching liquid through preheating is 60-70 degree, and described insulation extraction time is 30-60 minute.
The invention has the beneficial effects as follows: make feed liquid in microwave tank constantly run switch, extract can be made to be subject to electromagnetic field effect equably, heated equably, substantially increase the recovery rate of biological raw material, shorten extraction time, saved the energy and raw material, reduced production cost.For ginkgo leaf, after adopting technology of the present invention, its recovery rate has brought up to about 2.2% by 1.5-1.7%, and extraction time foreshortened to about 2.5 hours by original about 4.5 hours.Particularly:
One is arrange multiple compressed air inlet pipe, in the different time periods respectively to different position qi of chong channel ascending adversely, under the effect of air compressing gas pressure, make that upper, middle and lower feed liquid is regular to be stirred, make extract can fully and microwave source touch, make being heated of extract average, impel cell rupture better, cell liquid overflows and is diffused in solvent, greatly shortens extraction time simultaneously, thus improves production efficiency;
Two be the rotating shaft middle and lower part of rotor arrangement spiral strand leaf play guide effect, the extract be conducive in the middle of bottom constantly moves from bottom to top under the effect of rotatory force, when rotating shaft is rotated with the stirring wing of gradient, intermediate material is moved to periphery, the motion up of the pin restriction material on rotating shaft top, makes it substantially be in the sphere of action of high frequency magnetron pipe, triplicity, the effect of air-compressed gas can be coordinated better, better allow the middle feed liquid of microwave tank stir;
Three is the SLD that microwave tank is good and the setting being incubated extraction process, high frequency magnetron pipe conduction time can be shortened, save energy consumption, improve effect of extracting, in tank, air-compressed gas is added by microwave tank top air inlet, solvent makes hot water molecules's movement velocity in the cell tissue of extract accelerate under the effect of atmospheric pressure, thus also makes recovery rate be improved.
Four is crossing pan and effectively preventing feed blocking filter bores, motor reversion when slagging tap of inverted ladder type, and spiral strand leaf reverses thereupon, is conducive to waste residue in extractor to twist out, power of not only having spoken sarcastically but also accelerate the speed of slagging tap, and improves production efficiency.
Five be extract discharge time, have certain air pressure in microwave tank, more can accelerate separating rate, be separated cleaner, and save disengaging time, reduce be separated incomplete loss.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Reference numeral: be provided with bottom frame 1 transmission device 2 microwave tank 3 motor 4, decelerator 5 dog-house 6 water inlet 7 drawing mechanism 8 high frequency magnetron pipe 9 magnetic valve 10 rotating shaft 11 stirring wing 12 cross pan 13 slag tap bottom 14 bleeder valve 15 temperature-sensitive head 16 electricity point connect pressure controller 17 air bleeding valve 18 safety valve 19 spiral strand leaf 20 pin 21 top air inlet 22 sidewall air inlet 23 bottom air inlet 24 tube connector 25 through hole 26 observation window 27 light-illuminating hole 28 angle of cut a angle b
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
With reference to Fig. 1, one embodiment of the invention are proposed, comprise frame 1, transmission device 2, microwave tank 3, microwave device, aerator, rotor arrangement, drawing mechanism, control device, described frame 1 supports microwave tank 3, described transmission device 2 comprises motor 4, the decelerator 5 that can realize rotating, decelerator outputting power is to rotor arrangement, described microwave tank top is provided with dog-house 6, water inlet 7, bottom is provided with drawing mechanism 8, tank skin has several magnetron installing holes be evenly equally spaced; Described microwave device comprises several and is placed in high frequency magnetron pipe 9 on microwave tank tank skin uniformly and equidistantly, and described high frequency magnetron pipe 9 is connected with external power source; Described aerator comprises several compressed air inlet ports be arranged on microwave tank tank skin, compressed air input channel, controls some magnetic valves 10 of described compressed air inlet port; Described rotor arrangement comprises rotating shaft 11, some stirring wings 12 be fixed on also with it in certain angle of cut in rotating shaft, described stirring wing 12 and rotating shaft are 40 to 70 spend angle of cut a, be evenly distributed in rotating shaft to the dislocation of each stirring wing symmetry, described rotating shaft 11 is wrapped regularly some spiral strand leaves 20, described some spiral strand leaves 20 are set in parallel, pin 21 vertical is with it equipped with on described rotating shaft 11 top, and described stirring wing 12 is arranged on the middle and lower part of rotating shaft 11, accounts for 1/3 to 2/3 of rotating shaft height; Described drawing mechanism comprised pan 13, bottom 14 of slagging tap, bleeder valve 15.Described control device comprises temperature-controlled member, Pressure Control Unit.Described temperature-controlled member comprises temperature-sensitive head 16, and described Pressure Control Unit comprises electricity point and connects pressure controller 17, air bleeding valve 18, safety valve 19, and described temperature-sensitive head 16, electricity point connect pressure controller 17, air bleeding valve 18, safety valve 19 are installed on microwave tank tank skin.Described some compressed air inlet ports comprise lay respectively at described microwave tank top, sidewall and bottom top air inlet 22, sidewall air inlet 23, bottom air inlet 24, described sidewall air inlet 23 and rotating shaft 11 have a certain degree b, almost parallel with described stirring wing 12.Described pan 13 is excessively fixed on slags tap on bottom 14, described bleeder valve 15 is tightly connected by tube connector 25 with bottom of slagging tap, described bottom 14 of slagging tap removably is contained in the bottom of described microwave tank 3, described bottom of slagging tap is provided with through hole 26, described pan 13 is excessively inverted trapezoidal, it has several equally distributed filter bores, described bottom air inlet is connected to bleeder valve 15 and on the tube connector 25 of slagging tap between bottom 14.Sealing state is in during described microwave tank work, described rotating shaft enters microwave tank place and is provided with sealing ring, described dog-house 6 is provided with seal cover, bottom 14 of slagging tap establishes sealing ring with microwave tank junction, described magnetron installing hole place is provided with O-ring seal, and described microwave tank top is also provided with observation window 27 and a light-illuminating hole 28.
Use the microwave assisted extraction methods of above-mentioned multi-pipe type Large Copacity microwave abstracting machine, comprise the following steps:
(A) material that will extract is put in described microwave tank 3 through dog-house 6;
(B) leaching liquid through preheating is also joined in microwave tank 3 through water inlet 7 go, make feed liquid and mixing of materials, certain position above the high frequency magnetron pipe that feed liquid is immersed into microwave tank highest point;
(C) open feed liquid in the high frequency magnetron pipe 9 pairs of tanks on microwave tank tank skin and carry out heating using microwave, rotor arrangement rotates and stirs material;
(D) when extracting temperature often rising uniform temperature or the separated in time of feed liquid, open each sidewall air inlet 23, the bottom air intake 24 of described microwave tank successively, the same time only has a compressed air inlet port job, when opening next compressed air inlet port, a upper compressed air inlet port is closed, and realizes automatically controlling qi of chong channel ascending adversely once from diverse location in microwave tank;
(F) when feed temperature rises to the maximum temperature of setting, close high frequency magnetron pipe power supply, stop heating using microwave, described rotor arrangement does not stop operating, and carries out insulation extraction certain hour to material,
(G) after completing extraction, rotor arrangement is reversed, the extract in microwave tank is emitted.
In described insulation extraction process, open the top air inlet 22 of described microwave tank, in microwave tank, add compressed air, stop aerating when tank internal gas pressure reaches setting value; In extract discharge process, open the top air inlet 22 of described microwave tank, in microwave tank, add compressed air.The rated pressure value that electricity point connects controller can be set, when the pressure in extractor reach electricity point connect the setting pressure of pressure controller 17 time, the magnetic valve controlling top air inlet 22 is given in exportable instruction, closed electromagnetic valve, thus stopped aerating in microwave extraction tank, ensure that in microwave tank 3 have certain atmospheric pressure in work, safety valve 19 plays safe pressure limiting effect, and the category making microwave tank not belong to pressure vessel is as the criterion.
Described microwave tank height 2730mm, tank diameter is 1370mm, and feed liquid quality is 2000-3000kg, 40-50mm above the high frequency magnetron pipe that feed liquid is immersed into microwave tank highest point, the supplied materials temperature of the described leaching liquid through preheating is 60-70 degree, and described insulation extraction time is 30-60 minute.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a multi-pipe type Large Copacity microwave abstracting machine, comprise frame, transmission device, microwave tank, microwave device, aerator, rotor arrangement, drawing mechanism, control device, described frame supports microwave tank, described transmission device comprises motor, the decelerator that can realize rotating, decelerator outputting power is to rotor arrangement, it is characterized in that
Described microwave tank top is provided with dog-house, water inlet, and bottom is provided with drawing mechanism, tank skin has several magnetron installing holes be evenly equally spaced;
Described microwave device comprises several and is placed in high frequency magnetron pipe on microwave tank tank skin uniformly and equidistantly, and described high frequency magnetron pipe and external power source are connected;
Described aerator comprises the multiple compressed air inlet ports be arranged on microwave tank tank skin, compressed air input channel, control some magnetic valves of described compressed air inlet port, described some compressed air inlet ports comprise the top laying respectively at described microwave tank, the top air inlet of sidewall and bottom, sidewall air inlet, bottom air inlet, described sidewall air inlet and rotating shaft have a certain degree, almost parallel with described stirring wing, above-mentioned multiple compressed air inlet pipe is set, in the different time periods respectively to different position qi of chong channel ascending adversely, under the effect of air compressing gas pressure, make that upper, middle and lower feed liquid is regular to be stirred, make extract can fully and microwave source touch, make being heated of extract average, impel cell rupture better, cell liquid overflows and is diffused in solvent,
Described rotor arrangement comprises rotating shaft, some stirring wings be fixed on also with it in certain angle of cut in rotating shaft;
Described drawing mechanism comprised pan, bottom of slagging tap, bleeder valve;
Described control device comprises temperature-controlled member, Pressure Control Unit.
2. multi-pipe type Large Copacity microwave abstracting machine according to claim 1, it is characterized in that, described temperature-controlled member comprises temperature-sensitive head, described Pressure Control Unit comprises electricity point and connects pressure controller, air bleeding valve, safety valve, and described temperature-sensitive head, electricity point connect pressure controller, air bleeding valve, safety valve are installed on microwave tank tank skin.
3. multi-pipe type Large Copacity microwave abstracting machine according to claim 2, it is characterized in that, described stirring wing and rotating shaft are 40 to 70 spend the angle of cut, be evenly distributed in rotating shaft to the dislocation of each stirring wing symmetry, described rotating shaft is wrapped regularly some spiral strand leaves, described some spiral strand leaves are set in parallel, and pin vertical is with it equipped with on described rotating shaft top.
4. multi-pipe type Large Copacity microwave abstracting machine according to claim 3, it is characterized in that, described stirring wing is arranged on the middle and lower part of rotating shaft, accounts for 1/3 to 2/3 of rotating shaft height.
5. multi-pipe type Large Copacity microwave abstracting machine according to claim 4, it is characterized in that, described pan is excessively fixed on slags tap on bottom, described bleeder valve is tightly connected by tube connector with bottom of slagging tap, described bottom of slagging tap removably is contained in the bottom of described microwave tank, described in bottom of slagging tap be provided with through hole, it is described that to cross pan be inverted trapezoidal, it has several equally distributed filter bores, described bottom air inlet is connected to bleeder valve and on the tube connector of slagging tap between bottom.
6. multi-pipe type Large Copacity microwave abstracting machine according to claim 5, it is characterized in that, sealing state is in during described microwave tank work, described rotating shaft enters microwave tank place and is provided with sealing ring, described dog-house is provided with seal cover, sealing ring is established in slag tap bottom and microwave tank junction, and described magnetron installing hole place is provided with O-ring seal, and described microwave tank top is also provided with observation window and a light-illuminating hole.
7. use a microwave assisted extraction methods for the multi-pipe type Large Copacity microwave abstracting machine described in claim 1, it is characterized in that, comprise the following steps:
(A) material that will extract is put in described microwave tank through dog-house;
(B) leaching liquid of the 60-70 degree through preheating is joined in microwave tank through water inlet go, make feed liquid and mixing of materials, certain position above the high frequency magnetron pipe that feed liquid is immersed into microwave tank highest point;
(C) the high frequency magnetron pipe opened on microwave tank tank skin carries out heating using microwave to feed liquid in tank, and rotor arrangement rotates and stirs material;
(D) when extracting temperature often rising uniform temperature or the separated in time of feed liquid, open each sidewall air inlet, the bottom air inlet of described microwave tank successively, the same time only has a compressed air inlet port job, when opening next compressed air inlet port, a upper compressed air inlet port is closed, and realizes automatically controlling qi of chong channel ascending adversely once from diverse location in microwave tank;
(E) when feed temperature rises to the maximum temperature of setting, close high frequency magnetron pipe power supply, stop heating using microwave, described rotor arrangement does not stop operating, insulation extraction certain hour is carried out to material, in described insulation extraction process, open the top air inlet of described microwave tank, in microwave tank, add compressed air, stop aerating when tank internal gas pressure reaches setting value;
(F) after completing extraction, rotor arrangement is reversed, the extract in microwave tank is emitted, in extract discharge process, open the top air inlet of described microwave tank, in microwave tank, add compressed air.
8. microwave assisted extraction methods according to claim 7, is characterized in that, described feed liquid quality is 2000-3000kg, and 40-50mm above the high frequency magnetron pipe that feed liquid is immersed into microwave tank highest point, described insulation extraction time is 30-60 minute.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210239925.2A CN103505902B (en) | 2012-06-27 | 2012-06-27 | Multi-pipe type Large Copacity microwave abstracting machine and microwave assisted extraction methods thereof |
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| CN201210239925.2A CN103505902B (en) | 2012-06-27 | 2012-06-27 | Multi-pipe type Large Copacity microwave abstracting machine and microwave assisted extraction methods thereof |
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| CN103505902B true CN103505902B (en) | 2015-11-25 |
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| CN110124349A (en) * | 2019-04-26 | 2019-08-16 | 贵州民族大学 | A kind of multifunction extracting device |
| CN110639225B (en) * | 2019-08-09 | 2021-09-07 | 唐立人 | Method for extracting alkaloid |
| CN110917651B (en) * | 2019-12-06 | 2021-11-02 | 舟山海珈生物工程有限公司 | Biological medicine draws equipment |
| CN111821718B (en) * | 2020-04-29 | 2021-10-29 | 漳州职业技术学院 | Magnolia liliiflora polysaccharide strontium antiallergic agent production line and preparation method thereof |
| CN111701271B (en) * | 2020-04-29 | 2021-10-29 | 漳州职业技术学院 | Cucumber polyphenol extraction device and preparation method of cucumber polyphenol magnesium complex |
| CN111921224B (en) * | 2020-06-12 | 2021-10-29 | 漳州职业技术学院 | Nitrite scavenging additive production line and preparation method thereof |
| CN112742064B (en) * | 2020-12-29 | 2022-04-26 | 安庆回音必制药股份有限公司 | Traditional chinese medicine draws jar |
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| CN1724104A (en) * | 2005-06-20 | 2006-01-25 | 宁波振国制药设备制造有限公司 | Multifunctional extracting apparatus for laboratory |
| CN2875545Y (en) * | 2006-03-01 | 2007-03-07 | 郑小非 | Micro wave drying extracting device |
| CN202682831U (en) * | 2012-06-27 | 2013-01-23 | 永州中农银杏开发有限责任公司 | Multi-pipe type large-volume microwave extraction machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070235447A1 (en) * | 2006-04-03 | 2007-10-11 | King Yan Kwok | Apparatus and process for extraction of constituents from alternative medicinal material |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724104A (en) * | 2005-06-20 | 2006-01-25 | 宁波振国制药设备制造有限公司 | Multifunctional extracting apparatus for laboratory |
| CN2875545Y (en) * | 2006-03-01 | 2007-03-07 | 郑小非 | Micro wave drying extracting device |
| CN202682831U (en) * | 2012-06-27 | 2013-01-23 | 永州中农银杏开发有限责任公司 | Multi-pipe type large-volume microwave extraction machine |
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