CN201476476U - Microwave vacuum freezing dryer - Google Patents
Microwave vacuum freezing dryer Download PDFInfo
- Publication number
- CN201476476U CN201476476U CN2009202351473U CN200920235147U CN201476476U CN 201476476 U CN201476476 U CN 201476476U CN 2009202351473 U CN2009202351473 U CN 2009202351473U CN 200920235147 U CN200920235147 U CN 200920235147U CN 201476476 U CN201476476 U CN 201476476U
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- microwave
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Abstract
The utility model relates to a microwave vacuum freezing dryer, which comprises a refrigerating unit, a vacuum pump, a condenser, a vacuum valve and a microwave box body. A microwave heating source is arranged on the wall of the microwave box body. A vacuum box is arranged in the microwave box body. The vacuum box is sequentially communicated with the condenser and the refrigerating unit. The vacuum box is made of pressure-resistant medium material which has the screening effect on a microwave source. The utility model has the advantages that the heating speed is fast, the heating is even, the drying time is short, the volume of the device is small, the cost is low, the service life of the microwave box body and the service life of the microwave heating source are greatly prolonged, immediate heating is realized, immediate startup and immediate shutdown can be realized, and the automatic production can be conveniently controlled and realized.
Description
Technical field
The utility model relates to a kind of vacuum freeze drier, particularly a kind of microwave vacuum freeze drying machine.
Background technology
Along with the develop rapidly of social economy and technology, people are also more and more higher to the requirement of healthy and food, and the instant food requirement is natural, " green ", safety, nutrition, convenience etc.This has proposed very big requirement to food and farm and sideline product processing industry.Traditional processing method, technology and equipment just are difficult to reach, and must rely on the technological progress of processing industry, and the microwave vacuum freeze drying is exactly the high and new technology equipment of food and agricultural byproducts processing.
As everyone knows, the food that adopts vacuum freeze-drying method to produce can at utmost keep color, type and various nutritional labeling, the taste flavor of product etc.And be convenient to storage, transportation, instant, be to make product quality reach best a kind of drying means in all drying means, but this method is because that equipment investment is big, arid cycle is long, processing cost is high, energy consumption is big etc. is all multifactor, restricted the widespread usage of this technology greatly, have only a small amount of in the past as using in the fields such as medicine, biochemical product, and most of food service industry seldom adopts because of the processing cost problem.
Traditional vacuum freeze-drier, under by vacuum condition, being difficult to provides dry energy by convection heat transfer' heat-transfer by convection, and can only rely on conduction heat transfer, promptly utilizes electricity, oil or medium heating to place the shelf of material, leaning on material and shelf to be in contact with one another conducts heat, heat is progressively conducted to inside by contact-making surface, and drying layer promotes from outside to inside, and the resistance that the opposite caloic with the direction of propulsion of drying layer of the migration of moisture content is transmitted is big, drying time is long, and energy consumption is big.
The utility model patent of China Patent No. 200820029059.3, a kind of microwave freeze-drying machine is disclosed, comprise the freeze-drying chamber, refrigeration unit, the heating using microwave source is arranged on the wall of chamber, and bottom, heating using microwave source is equipped with material disc, and material disc is done by motor and horizontally rotated motion, the freeze-drying chamber is connected with condenser, refrigeration unit by pipeline, and vavuum pump is connected with condenser.Such structure, very high to the requirement of freeze-drying chamber material, make processing cost uprise, because when material was heated, freeze-drying chamber and heating using microwave source directly vacuumized, and have shortened the service life in freeze-drying chamber and heating using microwave source greatly.
Summary of the invention
The purpose of this utility model is to provide a kind of can avoid the deficiencies in the prior art part, and a kind of microwave vacuum freeze drying machine is provided.
The purpose of this utility model is achieved through the following technical solutions:
A kind of microwave vacuum freeze drying machine, described microwave vacuum freeze drying machine, include refrigeration unit, vacuum unit, condenser, vacuum valve, microwave casing, described microwave box body wall is provided with the heating using microwave source, be provided with a vacuum tank in the microwave casing, vacuum tank is communicated with successively with condenser, refrigeration unit.
Above-mentioned microwave vacuum freeze drying machine, described vacuum chamber adopts the withstand voltage dielectric material to the tool shielding action of heating using microwave source.
The utility model firing rate is fast, homogeneous heating, and drying time is short, and its equipment volume is little, and cost is low, has prolonged the service life in microwave casing and heating using microwave source greatly, can heat immediately, promptly opens promptly and stops, and is convenient to control and realizes automated production.
Description of drawings
Fig. 1 is the schematic diagram of prior art.
Fig. 2 is a schematic diagram of the present utility model.
The specific embodiment
As shown in Figure 2,
A kind of microwave vacuum freeze drying machine, described microwave vacuum freeze drying machine, include refrigeration unit 1, vavuum pump 2, condenser 3, vacuum valve 4, microwave casing 5, described microwave casing 5 walls are provided with heating using microwave source 6, be provided with a vacuum tank 7 in the microwave casing 5, vacuum tank 7 is communicated with successively with condenser 3, refrigeration unit 1, the intensity of pressure when microwave casing 5 is not directly vacuumized with heating using microwave source 6.The withstand voltage dielectric material that described vacuum tank 7 adopts the shielding action of microwave source tool is as materials such as tempered glass, potteries.
Its workflow is:
Material is put into vacuum tank 7, opening refrigeration unit 1 sends into low-temperature receiver on the cold plate along pipeline, close the vacuum valve 4 on the pipeline simultaneously, cold plate is dispersed into low-temperature receiver in the vacuum tank 7, thereby material is reached the purpose of freezing, after material freezes, the vacuum valve on the opening conduits 4 at first, open 2 pairs of vacuum tanks 7 of vavuum pump again, space in the condenser 1 and threading a pipe mutually vacuumizes, learn degree of pressure by vacuum pressure sensor, when if pressure reaches desired value, the materials of opening in 6 pairs of vacuum tanks in heating using microwave source 7 heat, and electromagnetic wave makes the polar molecule (as hydrone) in the material produce violent rotation with the quick variation of external electric field, intermolecular phase mutual friction and generate heat and finish energy transmission and conversion, interaction between electromagnetism field energy and material molecule makes the material inside and outside carry out the integral body heating.When material reaches uniform temperature, moisture in the material directly distils, the pipeline that the steam that is produced simultaneously links to each other with condenser 3 by vacuum tank 7 is drawn in the condenser 3, and be frozen in the condenser 3 than on the low condenser of temperature of charge, when the pressure on the pressure vacuum gauge is not rising, the dry end.
Claims (2)
1. microwave vacuum freeze drying machine, described microwave vacuum freeze drying machine, include refrigeration unit (1), vavuum pump (2), condenser (3), vacuum valve (4), microwave casing (5), it is characterized in that: described microwave casing (5) wall is provided with heating using microwave source (6), be provided with a vacuum tank (7) in the microwave casing (5), vacuum tank (7) is communicated with successively with condenser (3), refrigeration unit (2).
2. microwave vacuum freeze drying machine according to claim 1 is characterized in that: described vacuum tank (7) adopts the withstand voltage dielectric material to heating using microwave source (6) tool shielding action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202351473U CN201476476U (en) | 2009-08-07 | 2009-08-07 | Microwave vacuum freezing dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202351473U CN201476476U (en) | 2009-08-07 | 2009-08-07 | Microwave vacuum freezing dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201476476U true CN201476476U (en) | 2010-05-19 |
Family
ID=42412725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202351473U Expired - Fee Related CN201476476U (en) | 2009-08-07 | 2009-08-07 | Microwave vacuum freezing dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201476476U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226632A (en) * | 2011-05-24 | 2011-10-26 | 上海理工大学 | Device and method for drying by integrating vacuum, microwave and ice temperature technologies |
| CN102564074A (en) * | 2011-12-27 | 2012-07-11 | 黄山锦峰实业有限公司 | Equipment and method for drying triglycidyl isocyanurate |
| CN102721269A (en) * | 2012-07-11 | 2012-10-10 | 海南卫康制药(潜山)有限公司 | Liquid nitrogen refrigeration micro-wave heating vacuum drier |
| CN105115280A (en) * | 2015-08-31 | 2015-12-02 | 上海华宇药业有限公司 | Traditional Chinese medicine drying device |
| CN112973928A (en) * | 2021-04-28 | 2021-06-18 | 山东银丰生命科学研究院 | Method and apparatus for treating carcasses using microwave drying and air flow milling |
-
2009
- 2009-08-07 CN CN2009202351473U patent/CN201476476U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226632A (en) * | 2011-05-24 | 2011-10-26 | 上海理工大学 | Device and method for drying by integrating vacuum, microwave and ice temperature technologies |
| CN102564074A (en) * | 2011-12-27 | 2012-07-11 | 黄山锦峰实业有限公司 | Equipment and method for drying triglycidyl isocyanurate |
| CN102721269A (en) * | 2012-07-11 | 2012-10-10 | 海南卫康制药(潜山)有限公司 | Liquid nitrogen refrigeration micro-wave heating vacuum drier |
| CN105115280A (en) * | 2015-08-31 | 2015-12-02 | 上海华宇药业有限公司 | Traditional Chinese medicine drying device |
| CN112973928A (en) * | 2021-04-28 | 2021-06-18 | 山东银丰生命科学研究院 | Method and apparatus for treating carcasses using microwave drying and air flow milling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20160807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |