CN1593163A - Vacuum microwave dehydration plant - Google Patents
Vacuum microwave dehydration plant Download PDFInfo
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- CN1593163A CN1593163A CN 200410041183 CN200410041183A CN1593163A CN 1593163 A CN1593163 A CN 1593163A CN 200410041183 CN200410041183 CN 200410041183 CN 200410041183 A CN200410041183 A CN 200410041183A CN 1593163 A CN1593163 A CN 1593163A
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Abstract
The invention relates to a vacuum microwave dehydration plant characterized in that, the lower center of the negatively pressurized sealing house basal body is provided with a rotating disc, the rotation shaft of the rotating disc is connected with a rotating device, the rotating device is mounted on the lower flange of the negatively pressurized sealing house basal body, racks are placed on the rotating disc, the sealing house basal body is provided with a waveguide interface connected with a microwave generator, the vacuum air pump is connected with the vacuum cushion tank.
Description
Technical field
The present invention relates to a kind of vacuum microwave dehydrating device, belong to the dry processing technology field of food processing.
Background technology
Moisture content such as fresh vegetables, Chinese herbal medicine, edible mushroom are very high, can't long preservation, and often need oven dry or dry dehydration and could preserve.Before the present invention made, in the prior art, the method for current drying mainly adopted heating, drying dehydration and freezing vacuum dehydration.Preceding a kind of heating, drying method is in dehydration, often temperature is higher, or the time is longer, and in the process of heat drying, part active ingredient is oxidized in high temperature in air, the active ingredient that has is decomposed, the active component that has is killed, and many vitamins and amino acid are decomposed, after the rehydration, be difficult to recover original local flavor, nutritive value and commodity value subtract greatly.Back a kind of vacuum dewatering process is first with food or Chinese medicine quick-frozen, and quick-frozen is placed under the vacuum condition, allows moisture content be sublimed into steam from ice, is taken away by vavuum pump.This method is the original local flavor of retaining food product in good condition, can keep nutritive value preferably, Well-recovered after the rehydration, widely-used in the processing of famous and precious food and Chinese medicine, but this method production cost is very high, and equipment investment is big, and production efficiency is low, energy consumption is very big, has restricted to promote the use.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, thereby provide a kind of simple, compact and reasonable for structure; Under vacuum condition, the food fast dewatering can be guaranteed, original true qualities and original local flavor can be kept preferably; Low cost of manufacture, flexible, the vacuum microwave dehydrating device of being convenient to operate.
Main solution of the present invention is achieved in that
The present invention mainly adopts negative-pressure sealing storehouse lid 2 to cover on negative-pressure sealing storehouse matrix 1, in negative-pressure sealing storehouse matrix 1 lower central rotary-tray 4 is installed, rotary-tray 4 rotating shafts are connected with tumbler 6, tumbler 6 is fixed on the following flange of negative-pressure sealing storehouse matrix 1, place shelf 5 on the rotary-tray 4, in gas-tight silo matrix 1 one sides a Waveguide interface is arranged, in Waveguide interface, fill with high-frequency solution matter 9, Waveguide interface is connected with microwave waveguide 8, microwave waveguide 8 other ends are connected with microwave high power generator 7, vavuum pump 10 is connected with vacuum buffer tank 11, and vacuum buffer tank 11 and gas-tight silo matrix 1 connect by pipeline, insert aqueous vapor sight glass pipe 16 in pipeline.
Compared with the prior art the present invention has the following advantages:
1, simple, compact and reasonable for structure; 2, the moisture gasification temperature is no more than 60 ℃ under vacuum condition, can guarantee food at quick dewatering drying below 60 ℃, and chlorophyll, vitamin, each seed amino acid can both keep true qualities preferably; 3, food low temperature dewatering under vacuum condition does not have oxygen to participate in, and can keep original local flavor preferably; 4, many active materials in the food, below 60 ℃, very fast dehydration is just stopped action, and causes death, in case rehydration still can be brought back to life, so the nerve spy of processed dehydrated vegetables and edible mushroom is good; 5, microwave is given birth to heat from the food induced inside under vacuum condition, the mechanism of induction heating is that hydrone is a polar molecule, rotate in the hyperfrequency electromagnetic field, friction generates heat, makes moisture evaporation, how much produce heat, relevant with moisture content, the absorption microwave energy that moisture content is high is many, and it is big to produce heat, accelerate dehydration, moisture content is low, and to partially absorb microwave energy few, and it is little to produce heat, experimental results show that, if a part of dried and fresh article are put into the shelf of gas-tight silo simultaneously, drying effect is identical, so it can distribute microwave energy automatically and reasonably, and can heat vaporization equably, also just can be equably dry, this be other any thermals source can't than like; 6, low temperature, fast dewatering under various spicy seasoning flavor such as green onion, ginger, the garlic product oxygen free condition can keep original local flavor in good condition, and the method for vacuum microwave dehydrating can realize the production of large-scale low-cost.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
The present invention mainly by hermetic seal high-frequency solution matter 9, vavuum pump 10, vacuum buffer tank 11 vacuum meters 12 vent valves 13, viewing glass trim ring 14, viewing glass 15 in lid 2, silicone rubber O-ring 3, the rotary-tray 4 in the matrix 1 in negative-pressure sealing storehouse, negative-pressure sealing storehouse, the tumbler 6 that needs dry food or medicine and shelf 5, rotary-tray, microwave power generator 7, microwave waveguide 8, the microwave waveguide, observe condensation glass tube 16 that aqueous vapor uses etc. and form.
Adopt negative-pressure sealing storehouse lid 2 to cover on negative-pressure sealing storehouse matrix 1.Silicone rubber O-ring 3 be poured in the flange of matrix 1 in negative-pressure sealing storehouse poor in curing molding, be fixed on the matrix 1 in negative-pressure sealing storehouse, compress by the deadweight of negative-pressure sealing storehouse lid 2, form hermetic seal, take out tighter and tighter when vacuumizing.Open an observation window 15 on negative-pressure sealing storehouse lid 2, observation window 15 is observation window heavy sheet glass, is pushed down by glass trim ring 14, and is fixed on screw on the lid 2 in negative-pressure sealing storehouse, and inject the fluid sealant anti-gas-leak.Matrix 1 lower central in the negative-pressure sealing storehouse is installed rotary-tray 4, and rotary-tray 4 rotating shafts are connected with tumbler 6.Tumbler 6 is fixed on the following flange of matrix 1 in negative-pressure sealing storehouse.On rotary-tray 4, place shelf 5 (needing dry food to be placed on the shelf), lay HIGH-POWERED MICROWAVES generator 7 in matrix 1 one sides in negative-pressure sealing storehouse.At Waveguide interface of side design of negative-pressure sealing storehouse matrix 1, in Waveguide interface, fill simultaneously, implement hermetic seal with hermetic seal high-frequency solution matter in the microwave waveguide 9.Waveguide interface is connected with microwave waveguide 8.Microwave waveguide 8 other ends are connected with microwave high power generator 7, send microwave energy to gas-tight silo.Vavuum pump 10 is connected with vacuum buffer tank 11.Vacuum buffer tank 11 and negative-pressure sealing storehouse matrix 1 connect by pipeline, insert aqueous vapor sight glass pipe 16 in pipeline, and connect vacuum meter 12, vent valve 13 on pipeline, and vent valve 13 connects aqueous vapor sight glass pipe 16 by pipeline.
The operation principle of the present invention and the course of work:
FF (or medicinal material) is placed on the rotary-tray 4, and rotary-tray 4 and rotating shaft are to adopt four fluorine ethylenes or polypropylene to make, and also can place shelf on rotary-tray.Arrange food on the top of the shelf, cover negative-pressure sealing storehouse lid 2.Utilize 2 deadweights of negative-pressure sealing storehouse lid, compress silicone rubber O-ring 3, close vent valve 13, start vavuum pump 10, observe vacuum meter 12.When vacuum meter 12 indications arrive setting value, start the power supply of tumbler 6, allow rotary turnplate 4 rotate, and the control turn-knob of rotation microwave generator 7, in gas-tight silo, send microwave power.When the microwave power ammeter to when setting value, the locking turn-knob.Observe aqueous vapor condensation glass tube 16, will have a large amount of aqueous vapors to doubt knot on glass tube.Along with dehydration is carried out, the condensed water on the condensation glass tube 16 is fewer and feweri, and when aqueous vapor faded away, food was near dry.Revolution microwave power generator 7 power turn-knobs are closed microwave generator.Utilize the waste heat of dehydration article, under vacuum condition, continue dehydration several minutes, allow moisture content more thoroughly remove after, close vavuum pump 10, open vent valve 13 then, vacuum in the depressurization storehouse.Open negative-pressure sealing storehouse lid 2, take out dry food (or medicine).More than be the overall process that a collection of article dehydrate, repetitive cycling production according to this.
The present invention seems a HIGH-POWERED MICROWAVES stove, places food on the rotary turnplate 4, and HIGH-POWERED MICROWAVES stove generator 7 is by the gas-tight silo launched microwave of waveguide to equipment.Food on the rotary turnplate 4 can absorb microwave more equably.Different is that the heating cavity is that it must bear huge negative pressure, must possess enough mechanical strengths with thick corrosion resistant plate making.It must possess good gas sealing ability in addition, guarantees the realization of vacuum.
Claims (2)
1, a kind of vacuum microwave dehydrating device, the main negative-pressure sealing storehouse lid 2 that adopts covers on negative-pressure sealing storehouse matrix 1, it is characterized in that rotary-tray (4) being installed in negative-pressure sealing storehouse matrix (1) lower central, rotary-tray (4) rotating shaft is connected with tumbler (6), tumbler (6) is fixed on the following flange of negative-pressure sealing storehouse matrix (1), rotary-tray (4) is gone up and is placed shelf (5), on gas-tight silo matrix (1), Waveguide interface is arranged, Waveguide interface is connected with microwave waveguide (8), microwave waveguide (8) other end is connected with microwave generator (7), and vavuum pump (10) connects by pipeline with negative-pressure sealing storehouse matrix (1).
2, vacuum microwave dehydrating device according to claim 1 is characterized in that described high-frequency solution matter (9) filling of using in Waveguide interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410041183 CN1256027C (en) | 2004-07-01 | 2004-07-01 | Vacuum microwave dehydration plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410041183 CN1256027C (en) | 2004-07-01 | 2004-07-01 | Vacuum microwave dehydration plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1593163A true CN1593163A (en) | 2005-03-16 |
| CN1256027C CN1256027C (en) | 2006-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410041183 Expired - Fee Related CN1256027C (en) | 2004-07-01 | 2004-07-01 | Vacuum microwave dehydration plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN1256027C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455961C (en) * | 2007-06-11 | 2009-01-28 | 吴健辉 | Microwave cocoon-drying method and equipment |
| CN102353261A (en) * | 2011-09-05 | 2012-02-15 | 湖南省中晟热能科技有限公司 | Microwave multifunctional high-temperature experimental furnace |
| CN103340474A (en) * | 2013-07-08 | 2013-10-09 | 中国农业科学院农产品加工研究所 | Vacuum variable-pressure buffering device for food processing |
| CN106288666A (en) * | 2016-10-28 | 2017-01-04 | 扬州大学 | Carbon dioxide trap microwave vacuum drying device and drying means |
| CN107183491A (en) * | 2017-05-31 | 2017-09-22 | 成都鲜美诚食品有限公司 | The drying means of noodles |
| CN108653757A (en) * | 2018-05-29 | 2018-10-16 | 江西中医药大学 | A kind of horizontal low temperature sterilizing installation and low temperature sterilization method |
| CN109869986A (en) * | 2017-12-05 | 2019-06-11 | 贺州学院 | A kind of method of fresh ginger slice vacuum microwave drying |
-
2004
- 2004-07-01 CN CN 200410041183 patent/CN1256027C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455961C (en) * | 2007-06-11 | 2009-01-28 | 吴健辉 | Microwave cocoon-drying method and equipment |
| CN102353261A (en) * | 2011-09-05 | 2012-02-15 | 湖南省中晟热能科技有限公司 | Microwave multifunctional high-temperature experimental furnace |
| CN103340474A (en) * | 2013-07-08 | 2013-10-09 | 中国农业科学院农产品加工研究所 | Vacuum variable-pressure buffering device for food processing |
| CN103340474B (en) * | 2013-07-08 | 2015-09-30 | 中国农业科学院农产品加工研究所 | A kind of food processing Vacuum Pressure Swing buffer unit |
| CN106288666A (en) * | 2016-10-28 | 2017-01-04 | 扬州大学 | Carbon dioxide trap microwave vacuum drying device and drying means |
| CN107183491A (en) * | 2017-05-31 | 2017-09-22 | 成都鲜美诚食品有限公司 | The drying means of noodles |
| CN109869986A (en) * | 2017-12-05 | 2019-06-11 | 贺州学院 | A kind of method of fresh ginger slice vacuum microwave drying |
| CN108653757A (en) * | 2018-05-29 | 2018-10-16 | 江西中医药大学 | A kind of horizontal low temperature sterilizing installation and low temperature sterilization method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1256027C (en) | 2006-05-17 |
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