CN1273206C - Microwave exractor - Google Patents
Microwave exractor Download PDFInfo
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- CN1273206C CN1273206C CN 200410027563 CN200410027563A CN1273206C CN 1273206 C CN1273206 C CN 1273206C CN 200410027563 CN200410027563 CN 200410027563 CN 200410027563 A CN200410027563 A CN 200410027563A CN 1273206 C CN1273206 C CN 1273206C
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- microwave
- solid
- transmitting device
- liquid
- extracting apparatus
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Abstract
The present invention discloses a microwave extracting device which comprises a microwave heater and a solid and liquid transmission device, wherein the microwave heater is a hollow body, the front wall and the back wall of the microwave heater are provided with holes, the solid and liquid transmission device extends from the front wall hole position to a cavity and extends out of the back wall hole position, and the sizes of the holes are matched with the outer diameter of the solid and liquid transmission device; the outer top of the microwave heater is provided with a microwave magnetron, the bottom of the solid and liquid transmission device is provided with a solid material inlet and an extraction liquid outlet, and the top of the solid and liquid transmission device is provided with a solid material outlet and an extraction liquid inlet. The present invention has the advantages of high efficiency, rapidness, low consumption, etc., and realizes serialization operation in the microwave extracting process.
Description
Technical field
The present invention relates to a kind of microwave extracting apparatus, specifically be a kind of have efficient fast, advantage such as low consumption, can realize the microwave extracting apparatus of the continuous operation of Microwave Extraction process.
Background technology
The leaching method of traditional classical mainly is to be solvent with water or organic solution, with steam directly or indirectly the mode of heating solids is leached and extracts effective ingredient out.Along with the development of microwave technology, microwave technology is applied to strengthen the leaching process gradually.But up to the present, all microwave abstracting processes all are step, can't realize the industrialization continuous mass production, and have that treatment effeciency is low, treating capacity is little, treatment temperature is high, the time is long, solvent load is big, energy consumption is high and shortcoming such as extraction effect is relatively poor.
Summary of the invention
The objective of the invention is to shortcoming, a kind of microwave extracting apparatus is provided at the prior art existence.The present invention is a kind of open continuous microwave extraction element, and mainly the appropriate design of locating the microwave TVS by rational deployment and feed-in mode, the gateway of microwave power pipe solves the microwave leakage problem at opening port place in the microwave processing process; By special solids transfer mode, realize that solid material enters (with passing through) extraction equipment continuously.Thereby realize the microwave continuous extraction process of solid material.
For achieving the above object, the present invention has taked following technical scheme:
A kind of microwave extracting apparatus comprises microwave applicator 1 and solid-liquid transmitting device 2, and microwave applicator is a hollow cavity, its front and back walls has the hole, the solid-liquid transmitting device tiltedly stretches into cavity from the antetheca tapping, and stretches out from back wall aperture, and the external diameter of the size in hole and solid-liquid transmitting device is complementary; The outer top of microwave applicator is provided with microwave magnetron 3, and solid-liquid transmitting device bottom is provided with solid material import 15 and extract outlet 11, and the top is provided with solid material discharging opening 7 and extract inlet 6.
Described microwave applicator is a cuboid hollow cavity, and solid-liquid transmitting device 2 is 5～45 ° with the angle of cavity bottom surface.
Front and back walls tapping at microwave applicator respectively is provided with an archipelago wave filter 9, and the archipelago wave filter is set in outside the liquid transmitting device.The opening part microwave anti-leak of open microwave heating extraction district cavity is to be that archipelago wave filter 9 is realized by increasing the microwave TVS.
The solid-liquid transmitting device adopts the helical feed mode, comprises 1～4 row spiral transmitting device, and every row spiral transmitting device has the oblate cylinder of opening by sealing in the middle of, two ends and the rotating shaft 14 of two band helical blades being placed in one constitutes.The diameter of helical blade is 100～500mm, and rotating speed is 10～1000r/min.Helical blade is to be made by polyester, glass or plastic or other material.
Be furnished with the microwave feed-in mouth of magnetron in the top portion of microwave treater cavity, inside is equipped with infrared radiation thermometer 4; Systems such as temperature control, the control of conveyer rotating shaft electric motor rotating speed and the control of microwave tube heating power are concentrated on system's operating desk 10.
Compared with the prior art, the present invention has following beneficial effect:
Microwave liquid-solid extraction of the present invention system, the treatment effeciency height, time is short, compare with traditional cable-styled extraction, simultaneously treating capacity and extraction effect adopt this system can reduce treatment temperature, reduce solvent load and energy consumption greatly, particularly to the leaching process of thermal sensitivity system, can reduce loss of active ingredients by reducing extraction time and extracting temperature, the treatment effect contrast of two kinds of methods is as shown in table 1.Compare with more existing intermittent type microwave extraction elements, maximum advantage has been to realize to reduce labour intensity by the continuous operation of process, can improve treating capacity greatly, and is as shown in table 2.
The comparison of table 1 and cable-styled extraction
| The native system method | Conventional cable-styled method | |
| Solid-to-liquid ratio (solid material and ratio of solvent) | 1∶5 | 1∶10～20 |
| | 10～20min | 180min |
| Can loss-rate (to the same treatment amount) | 1 | 2 |
The comparison of the intermittent type microwave extracting process that table 2 is suitable with power with existing volume
| The native system method | The intermittent type microwave extraction | |
| Solid-to-liquid ratio (solid material and ratio of solvent) | 1∶5 | 1∶8 |
| The ratio of disposal ability | 5 | 1 |
Description of drawings
Fig. 1 is a structural representation of the present invention;
Among Fig. 1, microwave treatment cavity 1, double auger 2, microwave magnetron 3, infrared radiation thermometer 4, magnetic control valve 5, extractant import 6, solid material outlet 7, solid material gatherer 8, archipelago wave filter 9, console 10, extract outlet 11, magnetic control valve 12, motor and speed changer 13, rotating shaft 14, solid material import 15;
Fig. 2 is the cross sectional representation of screw conveyor of the present invention.
The specific embodiment
Come below in conjunction with attached Fig. 1 and 2 that the invention will be further described, but the present invention's scope required for protection is not limited to the content that arrives described in the specific embodiment.
Installation drawing of the present invention as shown in Figure 1, it mainly is made up of cuboid cavity 1, solid-liquid conveyer 2, microwave magnetron 3 and a control system 10 etc. that are used for the heating using microwave district.The microwave heating extraction district is a cuboid cavity, and there is opening the front and back of cavity, and opening part is connected to archipelago wave filter 9.The solid-liquid conveying device adopts helix transporting device, is positioned at the cavity middle and lower part, is 5～miter angle with cavity bottom; Every row helix transporting device is made up of the rotating shaft of the oblate cylinder of opening and two band helical blades being placed in one sealing two ends in the middle of, cross section as shown in Figure 2, the outside of heating using microwave cavity is stretched out at its two ends; The diameter of its helical blade is 100～500mm, and rotating speed is 10-1000r/min, and its material is polyester or glass or plastics; The columns of helix transporting device can be generally 1～4 row according to the width decision of heating using microwave cavity.Be furnished with the microwave feed-in mouth of magnetron in the top portion of cavity; Infrared radiation thermometer 4 is installed in inside at cavity.Systems such as temperature control, the control of conveyer rotating shaft electric motor rotating speed and the control of microwave tube heating power are concentrated on system's operating desk 10.
Operation method of the present invention is as follows:
The opening part microwave anti-leak of open microwave heating extraction district cavity is to be that archipelago wave filter 9 is realized by increasing the microwave TVS; Solid material by the lower end (being positioned at outside the heating using microwave cavity) of screw conveyor vertically upward the opening 15 of direction enter, through two helical wheel motions in relative rotation, the drive material moves up, and directly discharges by being positioned at the outer upper end open 7 of microwave cavity.Extractant (water or other solvent) the then inlet 6 by the top enters, and flows downward, and with the solid material reverse movement, realizes counter-current extraction, and extract is discharged by row's juice mouth 11 of lower end.The solid-liquid material mixes mutually in microwave cavity and accepts microwave energy and heat.Do not walk short circuit in order to make extraction juice from the import of solid material, import 15 height of solid material will be higher than outlet 7 height of solid material, simultaneously, the discharge of extractant and extraction juice is respectively by magnetic valve (5 and 12) control flow, to allow solid material keep being soaked in the extractant, fully contact with extract, simultaneously can be by the flow-control solid-to-liquid ratio of control extractant.Microwave power is by increasing or reduce the quantity decision of magnetron.The temperature of liquid-solid extraction hybrid system is by infrared radiation thermometer 4 controls.
Embodiment 1
To send into this extraction equipment through the sugarcane of precrushing, treating capacity is 30kg/ hour, bagasse needs 15 minutes approximately from entering into discharge, and per hour adding the water yield is 150kg, adds microwave power 10kW, the control temperature is 90～95 ℃, obtain 140kg extraction juice, recording refractive power hammer degree (solids accounts for the mass percent of solution) is 2.69 ° of Bx, and sucrose branch (pol) is 2.62%, extract dry substance 3.76kg as calculated altogether, sucrose is 3.67kg.And adopt cable-styled extraction, same 30 kilograms bagasse to add 300kg water, and added hot reflux 180 minutes, obtain the extract of 290kg at last, the hammer degree is 1.28 ° of Bx, and sucrose branch (pol) is 1.23%, and calculating and obtaining dry substance altogether is 3.71kg, and sucrose is 3.60kg.And adopt closed intermittence industrial microwave oven to extract, and can only put into 5kg bagasse and 30kg water at every turn, extracting through microwave heating 25 minutes, the bagasse of handling 30kg equally needs 150 minutes, can obtain 3.7kg sucrose altogether.
Utilize this system handles Momordica grosvenori, extract the Momordica grosvenori saponin(e, handle 10 kilograms of Momordica grosvenoris (through break process) equally, adds 300 liters 50% alcohol, the processing time is 26 minutes, and controlling extraction temperature is 70 ℃, obtains 745g Momordica grosvenori saponin(e.Adopt the Soxhlet method to extract, same treating capacity and solid-liquid proportioning refluxed 120 minutes, finally obtained 725g Momordica grosvenori saponin(e.Same treating capacity and solid-to-liquid ratio, system extracts with the intermittent type microwave industrial extraction, the every batch of capacity that can put into 30 liters, 10 minutes every batch processing time, amounting to needs 100 fens clock times, obtains about 739g Momordica grosvenori saponin(e.
Claims (7)
1, a kind of microwave extracting apparatus, comprise microwave applicator (1) and solid-liquid transmitting device (2), it is characterized in that microwave applicator is a hollow cavity, its front and back walls has the hole, the solid-liquid transmitting device tiltedly stretches into cavity from the antetheca tapping, and stretch out from back wall aperture, the external diameter of the size in hole and solid-liquid transmitting device is complementary; The outer top of microwave applicator is provided with microwave magnetron (3); Solid-liquid transmitting device bottom is provided with solid material import (15) and extract outlet (11), and the top is provided with solid material discharging opening (7) and extract inlet (6).
2, microwave extracting apparatus according to claim 1 is characterized in that described microwave applicator is a cuboid hollow cavity, and solid-liquid transmitting device (2) is 5～45 ° with the angle of cavity bottom surface.
3, microwave extracting apparatus according to claim 1 and 2 is characterized in that respectively being provided with an archipelago wave filter (9) at the front and back walls tapping of microwave applicator, and the archipelago wave filter is set in outside the solid-liquid transmitting device.
4, microwave extracting apparatus according to claim 1 and 2, it is characterized in that the solid-liquid transmitting device comprises 1～4 row spiral transmitting device, two rotating shaft (14) formations of being with helical blades that every row spiral transmitting device is had the oblate cylinder of opening and is placed in one by middle sealing, two ends.
5, microwave extracting apparatus according to claim 3, it is characterized in that the solid-liquid transmitting device comprises 1～4 row spiral transmitting device, every row spiral transmitting device has the oblate cylinder of opening by sealing, two ends in the middle of one and the rotating shaft of two band helical blades being placed in one constitutes.
6, microwave extracting apparatus according to claim 4, the diameter that it is characterized in that described helical blade is 100～500mm, rotating speed is 10～1000r/min.
7, microwave extracting apparatus according to claim 5, the diameter that it is characterized in that described helical blade is 100～500mm, rotating speed is 10～1000r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410027563 CN1273206C (en) | 2004-06-11 | 2004-06-11 | Microwave exractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410027563 CN1273206C (en) | 2004-06-11 | 2004-06-11 | Microwave exractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1583209A CN1583209A (en) | 2005-02-23 |
| CN1273206C true CN1273206C (en) | 2006-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410027563 Expired - Fee Related CN1273206C (en) | 2004-06-11 | 2004-06-11 | Microwave exractor |
Country Status (1)
| Country | Link |
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| CN (1) | CN1273206C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100475303C (en) * | 2006-11-09 | 2009-04-08 | 温州市神华轻工机械有限公司 | Pipeline type microwave continuous extraction device |
| CN100479899C (en) * | 2006-12-07 | 2009-04-22 | 华南理工大学 | A continuous microwave solid-liquid extraction device |
| CN101209384B (en) * | 2006-12-26 | 2012-01-04 | 上海屹尧分析仪器有限公司 | Continuous type microwave extracting device |
| CN105498276A (en) * | 2015-12-07 | 2016-04-20 | 无锡市医用仪表厂 | Medicine microwave extraction device |
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2004
- 2004-06-11 CN CN 200410027563 patent/CN1273206C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
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| CN1583209A (en) | 2005-02-23 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Meiyi Flavours & Fragrances Co., Ltd. Assignor: South China University of Technology Contract fulfillment period: 2007.9.20 to 2012.9.20 contract change Contract record no.: 2009440000089 Denomination of invention: Microwave exractor Granted publication date: 20060906 License type: Exclusive license Record date: 2009.1.16 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.9.20 TO 2012.9.20; CHANGE OF CONTRACT Name of requester: GUANGZHOU CITY MEIYI SPICE CO., LTD. Effective date: 20090116 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060906 Termination date: 20130611 |