CN101082464A - Micro-wave vacuum equipment - Google Patents
Micro-wave vacuum equipment Download PDFInfo
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- CN101082464A CN101082464A CN 200710023923 CN200710023923A CN101082464A CN 101082464 A CN101082464 A CN 101082464A CN 200710023923 CN200710023923 CN 200710023923 CN 200710023923 A CN200710023923 A CN 200710023923A CN 101082464 A CN101082464 A CN 101082464A
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- hothouse
- vacuum
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- microwave
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Abstract
This invention relates to a sort of integral dry and dewatering set of the microwave and vacuum system, it consists of a hothouse of hermetic estate which is used to pose the materiel, the on-off door body which is propitious to gain and put materiel is fitted on the wall of the hothouse, the microwave produced by the microwave generator can cross the wall of the hothouse and it use the microwave to heat the materiel of the hothouse, there has the vacuum connector tub which is extended to the hothouse on the wall of the hothouse, the vacuum connector tub connects with the vacuum-pumping set. Because thin invention makes the microwave heating system connects with the vacuum system in the organic way, the speed of its dryness and condensation is fast, the temperature is low (25 to 45 deg. C), It very fit to the use of the lab, and fit to desiccate and condense the multifarious hydrous, and specially fit to food materiel of the heat sensitivity, and so on, and it is widely used to desiccate and condense the multifarious hydrous in the way of small-scale in the lab, such as the food, the medication, the chemical production.
Description
Technical field
The present invention relates to a kind of small-sized microwave drying dehydration equipment, relate in particular to the incorporate drying and dehydrating device of a kind of microwave and vacuum system.
Background technology
At present, the dry water-containing materials in laboratory mainly uses electric heating blast drier, electric heating or Steam Heating vacuum desiccator and freeze drier.The general baking temperature of hot-air drier is higher, has oxygen to exist in the dry run, and is very big to the quality influence of dried foods, and the vitamin in the food, natural colouring matter and other thermal sensitivity composition loss degradation are many; Though the vacuum drying baking temperature is lower, can be controlled to below 60 ℃, because the material heat supply mainly is that convection heat transfer' heat-transfer by convection exists hardly in the hothouse by the heat conduction, rate of drying is slow, and the time is long, and the reservation of thermal sensitivity or biological activity is also limited; Freezing dry process was divided into for two steps: the freezing and lyophilization of product, freeze generally below-20 ℃, make the water in the product become little ice crystal, sublimation stage pressure must carry out below the pressure (627pa) of three phase point, freeze drying can keep the original form of dry products, reduce the loss of color, smell and taste and bioactivator to greatest extent, but drying time long (generally needing 15～22 hours), energy consumption is big.And the concentrated material in laboratory mainly adopts Rotary Evaporators, but the time is long.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of drying and concentrated speed fast, treatment temperature is low, drying and the color, smell and taste of reserve ration and the retention rate height of bioactive ingredients, almost near freeze drying, and dry and more faster than freeze drying and rotary evaporation, the quick and easy to use micro-wave vacuum equipment of concentrated speed.
According to technical scheme provided by the invention, shown in micro-wave vacuum equipment comprise a hothouse that is used to put the air-tight state of material, on the wall body of hothouse, be provided with the switching door body of being convenient to take, put material, the wall body of switching door body and hothouse is for being tightly connected, it is characterized in that: the microwave generating apparatus that on the wall body of hothouse, is provided for the indoor material of heat drying, and, be provided with the vacuum that is used to the vacuumize adapter of stretching in the hothouse at the wall body of hothouse.
On the wall body of two relative hothouses, have a pair of mirror device, on the switching door body, turn on electric light for one, can monitor dry indoor conditions.On mirror device, be provided with the micro-wave screening wire netting.Drive motors is set below hothouse, and the turning cylinder of this drive motors stretches in the hothouse, and is provided with the rotating disk that is used to put material on the top of turning cylinder, is provided with the outside framework oil seal device in the joint portion of turning cylinder and hothouse.
Between the bottom surface of the bottom surface of rotating disk and hothouse, be provided with roller.Microwave generating apparatus comprises polypropylene board, waveguide and the magnetron thereof on the wall body that is arranged at hothouse.Take over an end that stretches in the hothouse in vacuum and be provided with vacuum-breaking valve, be positioned at the outer vacuum adapter of hothouse and be provided with the vacuum line valve
The present invention is owing to the present invention organically combines microwave heating system and vacuum system, dry or concentrated speed is fast, temperature low (25～45 ℃), being very suitable for the laboratory uses, be used for drying or concentrate various water-containing materials, be specially adapted to the food material of thermal sensitivity etc., can be widely used in the laboratory and dehydrate various moisture materials on a small scale, as various food, medicine, chemical products or the like.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
The structure of container figure of splendid attire material when Fig. 4 is the concentrated liquid material.
The specific embodiment
In the drawings, 1 is the vacuum adapter, and 2 is hex bolts, and 3 is pressing plate, 4 is sealing gasket, and 5 is polypropylene board, and 6 are waveguide, 7 is magnetron, and 8 is hothouse (resonator), and 9 is vacuum-breaking valve, 10 is the vacuum line valve, and 11 is locking nut, and 12 is door, 13 is hex nut, and 14 is sealing gasket, and 15 is endoscopy glass, 16 is wire netting, and 17 is gland, and 18 is the door flange, 19 is the rectangle silicone rubber O-ring, and 20 is metal o-ring, and 21 is hinge, 22 is vacuum meter, and 23 is controller, and 24 is lamp, 25 is rotating disk, and 26 is roller, and 27 is turning cylinder, 28 is outside framework oil seal, and 29 is shaft coupling, and 30 is motor.
As shown in the figure: on the outer wall of hothouse 8, be provided with vacuum meter 22, operation control 23 and lamp 24, the wall body of hothouse 8 is provided with to be convenient to get, put the switching door body 12 of material, be tightly connected between switching door body 12 and the hothouse door flange 18, it guarantees electromagnetic sealing and air impervious effect by metal o-ring 20 is set with rectangle silicone rubber O-ring 19 between switching door body 12 inwalls and door flange 18, switching door body 12 1 sides utilize hinge 21 to be hinged on the sidewall of a flange 18, opposite side utilizes locking nut 11 to be fixed when switching door body 12 is closed, on the wall body of hothouse 8, be provided with microwave generating apparatus, the microwave that microwave generating apparatus produces can pass the polypropylene board 5 on the hothouse 8, material in the hothouse 8 is carried out heating using microwave, wall body at hothouse 8 is provided with the vacuum adapter of stretching in the hothouse 81, vacuum is taken over 1 and is linked to each other with vacuum extractor, microwave generating apparatus is included in magnetron 7 and the waveguide 6 thereof that is provided with on adjacent hothouse 8 wall bodies of switching door body 12, vacuum is taken over 1 end that stretches in the hothouse 8 and is provided with vacuum-breaking valve 9, is positioned at hothouse 8 outer vacuum adapters 1 and is provided with vacuum line valve 10.
On the wall body of two relative hothouses 8, be equipped with a pair of mirror device situation in the chamber 8 that sees drying, one is positioned on the switching door body 12, be provided with the wire netting 16 that micro-wave screening is used in the mirror device, on hothouse 8 bottom surface wall bodies, be provided with the turning cylinder 27 that stretches in the hothouse 8, be provided with the rotating disk 25 that is used to put material on turning cylinder 27 tops, the lower end of turning cylinder 27 links to each other with drive motors 30 by shaft coupling 29, be provided with outside framework oil seal device 28 at turning cylinder 27 outer walls, between outside, rotating disk 25 bottom surfaces and hothouse 8 bottom surface wall bodies, be provided with roller 26.
As shown in the figure: the front and back of hothouse 8 housings have the mirror device of two symmetries, mirror device is made up of tempering endoscopy glass 15, stainless steel cloth 16, rubber seal 14 and gland 17, by hex bolts 13 and gland 17 tempering endoscopy glass 15 and stainless steel cloth 16 are fixed on the visor base, and sealing gasket 14 is set at endoscopy glass 15 and stainless steel cloth 16 perisporiums, guarantee the air seal of visor.About stainless steel cloth mesh 30 orders, light can see through, and microwave can not see through, so can realize microwave seal; Twist with the fingers tight bolt 13, compress sealing ring 14 by gland 17 and realize air seal, the operator can be by the visor Real Time Observation to the drying regime of material in resonator during drier work.Door flange 18 and housing welding, sealing surface between door 12 and the door flange 18 has twice, wire sealing ring 20 anti-microwave leakages, rectangle silicon rubber 9 sealing gas, twist with the fingers tight door lock jack panel 11, compress rubber seal and salable gas of wire sealing ring and microwave.The microwave energy-feeding mouth is made up of waveguide 6, metal platen 3, virgin pp plate 5 and rubber seal 4, waveguide is welded on the metal platen, twists with the fingers tight bolt 2, compresses the salable gas of rubber seal, microwave can see through polypropylene board and enter resonator simultaneously, and the material that is dried absorbs.Pass through realization gas and electromagnetic wave sealings such as dynamic sealing assembly 28 between rotating disk 25 and the motor 30.
Hothouse 8 (the being resonator) housing of being made by metal material factory does not absorb microwave, be in the normal temperature state, the water vapour that drying or concentration and evaporation come out is met the rapid condensation of resonator 8 inner walls meeting, because electric-field intensity is zero on the inwall, condensed water can not absorb microwave again, flows down through vacuum-breaking valve 9 along wall and flows out.In operating process,, can not influence the vacuum in the resonator, open vavuum pump when therefore only needing the operation beginning, meet the requirements of the valve 10 of closing after the vacuum on vavuum pump and the vacuum line because the water vapour that is evaporated is converted into condensed water rapidly.Therefore device of the present invention can use the vacuum oil pump, can reach higher vacuum.
Preferably use the glass container of splendid attire material as shown in Figure 4 during concentrated liquid material of the present invention.During the concentrated liquid material,, when overflowing, can take water vapour the material in the concentrate out of owing to the water of concentrate inside also strong absorption microwave changes water vapour into.Inserted slender glass tube 32 in the bottle stopper 33 among Fig. 4, because the effect of slender glass tube 32, water vapour can be overflowed by slender glass tube 32, and the concentrate that water vapour is carried secretly cognition is hindered by slender glass tube and returns again in the glass container 31 along glass tube walls.
The adjusting of microwave power size is by realizing the switch time of control magnetron, also can regulate electric current and voltage swing, realizing the step-less adjustment of microwave power.Because the present invention organically combines microwave heating system and vacuum system, dry or concentrated speed is fast, and temperature low (25～45 ℃) is very suitable for the laboratory and uses, and is used for drying or concentrates various water-containing materials, is specially adapted to the food material of thermal sensitivity etc.
Microwave heating system and vacuum system are combined, the electromagnetic wave of magnetron 7 emissions is introduced in the resonator 8 by waveguide 6, material is put on the glass rotating disk 25, rotating disk 25 is driven by motor 30 by turning cylinder 27 and rotates when dry, roller 26 supportings are arranged between rotating disk 25 and the housing bottom surface, guarantee rotating disk 25 stability of rotation, vacuum adapter 1 links with vavuum pump, owing to be in vacuum pressure condition in the resonator 8, the boiling point of water reduces, created normal temperature drying condition fast, drying or thickening temperature can be controlled in 25～45 ℃ of scopes, make that the color, smell and taste of drying or reserve ration and the retention rate of bioactive ingredients are improved significantly.
Claims (7)
1, a kind of micro-wave vacuum equipment, comprise a hothouse (8) that is used to put the air-tight state of material, on the wall body of hothouse (8), be provided with the switching door body (12) of being convenient to take, put material, the wall body of switching door body (12) and hothouse (8) is for being tightly connected, it is characterized in that: the microwave generating apparatus that on the wall body of hothouse (8), is provided for the material in the dry kiln (8), and, be provided with the vacuum that is used to the vacuumize adapter of stretching in the hothouse (8) (1) at the wall body of hothouse (8).
2, micro-wave vacuum equipment according to claim 1 is characterized in that: have a pair of mirror device on the wall body of two relative hothouses (8), turn on electric light 24 for one on switching door body (12), can monitor the interior situation of hothouse (8).
3, micro-wave vacuum equipment according to claim 1 and 2 is characterized in that: be provided with micro-wave screening wire netting (16) on mirror device.
4, micro-wave vacuum equipment according to claim 1, it is characterized in that: drive motors (30) is set below hothouse (8), the turning cylinder (27) of this drive motors (30) stretches in the hothouse (8), and be provided with the rotating disk (25) that is used to put material on the top of turning cylinder (27), be provided with outside framework oil seal device (28) in the joint portion of turning cylinder (27) and hothouse (8).
5, micro-wave vacuum equipment according to claim 4 is characterized in that: be provided with roller (26) between the bottom surface of the bottom surface of rotating disk (25) and hothouse (8).
6, micro-wave vacuum equipment according to claim 1 is characterized in that: microwave generating apparatus comprises polypropylene board (5), waveguide (6) and the magnetron (7) thereof on the wall body that is arranged at hothouse (8).
7, micro-wave vacuum equipment according to claim 1 is characterized in that: take over an end that (1) stretches in the hothouse (8) in vacuum and be provided with vacuum-breaking valve (9), be positioned at the outer vacuum adapter (1) of hothouse (8) and be provided with vacuum line valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100239239A CN100513956C (en) | 2007-06-29 | 2007-06-29 | Micro-wave vacuum equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100239239A CN100513956C (en) | 2007-06-29 | 2007-06-29 | Micro-wave vacuum equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101082464A true CN101082464A (en) | 2007-12-05 |
| CN100513956C CN100513956C (en) | 2009-07-15 |
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ID=38912158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100239239A Expired - Fee Related CN100513956C (en) | 2007-06-29 | 2007-06-29 | Micro-wave vacuum equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100513956C (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929110A (en) * | 2012-11-06 | 2013-02-13 | 中国科学院微电子研究所 | Device and method for supercritical drying of microwave excitation |
| CN102989195A (en) * | 2012-11-03 | 2013-03-27 | 绵阳市华神空气动力技术应用厂 | Drying method and device for extracting active constituents in natural products |
| CN103090645A (en) * | 2011-11-01 | 2013-05-08 | 四川汇利实业有限公司 | Water condensation preventing microwave vacuum drier |
| CN103175387A (en) * | 2013-03-14 | 2013-06-26 | 青岛质立机电有限公司 | Vacuum microwave drying oven |
| CN103697666A (en) * | 2013-12-25 | 2014-04-02 | 南京研正微波设备厂 | Safety microwave dryer |
| CN105972955A (en) * | 2016-06-20 | 2016-09-28 | 刘玉忠 | Diode electric heating drying box |
| CN106123520A (en) * | 2016-08-26 | 2016-11-16 | 宁夏共享机床辅机有限公司 | A kind of sand core drying equipment |
| CN107059143A (en) * | 2016-12-13 | 2017-08-18 | 无锡南方声学工程有限公司 | A kind of sealing structure of vacuum cleaning oven |
| CN109589623A (en) * | 2018-10-11 | 2019-04-09 | 吉林东华原医疗设备有限责任公司 | A kind of decoction of medicinal ingredients drying equipment and its control method |
| CN109721220A (en) * | 2018-11-30 | 2019-05-07 | 林豪杰 | A kind of microwave type promotees the drying separating one-piece structure of paper mill sludge flowing |
| CN111148956A (en) * | 2017-09-28 | 2020-05-12 | 豪夫迈·罗氏有限公司 | Vial stopper for freeze-drying vials and closing method for closing freeze-drying vials |
| CN111578648A (en) * | 2019-02-19 | 2020-08-25 | 江苏食品药品职业技术学院 | Microwave heating type vacuum freeze dryer with multiple oscillation modes |
| CN111854375A (en) * | 2020-07-27 | 2020-10-30 | 北京金辉景新节能科技有限公司 | Vacuum microwave dewatering equipment |
| CN115534314A (en) * | 2022-09-20 | 2022-12-30 | 江南大学 | Local microwave field, positive and negative pressure drying method and device, printing head and printer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045639A (en) * | 1973-01-16 | 1977-08-30 | Food Processing Systems Corporation | Continuous microwave and vacuum dryer |
-
2007
- 2007-06-29 CN CNB2007100239239A patent/CN100513956C/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090645A (en) * | 2011-11-01 | 2013-05-08 | 四川汇利实业有限公司 | Water condensation preventing microwave vacuum drier |
| CN103090645B (en) * | 2011-11-01 | 2015-02-11 | 四川汇利实业有限公司 | Water condensation preventing microwave vacuum drier |
| CN102989195A (en) * | 2012-11-03 | 2013-03-27 | 绵阳市华神空气动力技术应用厂 | Drying method and device for extracting active constituents in natural products |
| CN102929110A (en) * | 2012-11-06 | 2013-02-13 | 中国科学院微电子研究所 | Device and method for supercritical drying of microwave excitation |
| CN102929110B (en) * | 2012-11-06 | 2014-03-19 | 中国科学院微电子研究所 | Device and method for supercritical drying of microwave excitation |
| CN103175387A (en) * | 2013-03-14 | 2013-06-26 | 青岛质立机电有限公司 | Vacuum microwave drying oven |
| CN103175387B (en) * | 2013-03-14 | 2016-08-24 | 青岛质立机电有限公司 | A kind of vacuum microwave drying case |
| CN103697666A (en) * | 2013-12-25 | 2014-04-02 | 南京研正微波设备厂 | Safety microwave dryer |
| CN103697666B (en) * | 2013-12-25 | 2016-08-17 | 南京研正微波设备厂 | A kind of safety microwave dryer |
| CN105972955A (en) * | 2016-06-20 | 2016-09-28 | 刘玉忠 | Diode electric heating drying box |
| CN106123520A (en) * | 2016-08-26 | 2016-11-16 | 宁夏共享机床辅机有限公司 | A kind of sand core drying equipment |
| CN107059143A (en) * | 2016-12-13 | 2017-08-18 | 无锡南方声学工程有限公司 | A kind of sealing structure of vacuum cleaning oven |
| CN111148956A (en) * | 2017-09-28 | 2020-05-12 | 豪夫迈·罗氏有限公司 | Vial stopper for freeze-drying vials and closing method for closing freeze-drying vials |
| CN111148956B (en) * | 2017-09-28 | 2021-07-02 | 豪夫迈·罗氏有限公司 | Vial stopper for freeze-drying vials and closing method for closing freeze-drying vials |
| US11577893B2 (en) | 2017-09-28 | 2023-02-14 | Hoffmann-La Roche Inc. | Vial stopper for a lyophilization vial and closure method for closing a lyophilization vial |
| CN109589623A (en) * | 2018-10-11 | 2019-04-09 | 吉林东华原医疗设备有限责任公司 | A kind of decoction of medicinal ingredients drying equipment and its control method |
| CN109721220A (en) * | 2018-11-30 | 2019-05-07 | 林豪杰 | A kind of microwave type promotees the drying separating one-piece structure of paper mill sludge flowing |
| CN111578648A (en) * | 2019-02-19 | 2020-08-25 | 江苏食品药品职业技术学院 | Microwave heating type vacuum freeze dryer with multiple oscillation modes |
| CN111578648B (en) * | 2019-02-19 | 2022-12-23 | 江苏食品药品职业技术学院 | Microwave heating type vacuum freeze dryer with multiple oscillation modes |
| CN111854375A (en) * | 2020-07-27 | 2020-10-30 | 北京金辉景新节能科技有限公司 | Vacuum microwave dewatering equipment |
| CN115534314A (en) * | 2022-09-20 | 2022-12-30 | 江南大学 | Local microwave field, positive and negative pressure drying method and device, printing head and printer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100513956C (en) | 2009-07-15 |
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Legal Events
| 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: Jiangsu Tiansheng Pharmaceutical Co., Ltd. Assignor: Jiangnan University Contract record no.: 2011320000965 Denomination of invention: Micro-wave vacuum equipment Granted publication date: 20090715 License type: Exclusive License Open date: 20071205 Record date: 20110712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20160629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |