CN107028207A - A kind of vacuum fruits and vegetables rapid dryer - Google Patents

A kind of vacuum fruits and vegetables rapid dryer Download PDF

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Publication number
CN107028207A
CN107028207A CN201710169012.0A CN201710169012A CN107028207A CN 107028207 A CN107028207 A CN 107028207A CN 201710169012 A CN201710169012 A CN 201710169012A CN 107028207 A CN107028207 A CN 107028207A
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CN
China
Prior art keywords
hothouse
fruits
vegetables
air inlet
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710169012.0A
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Chinese (zh)
Inventor
王晓涧
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Yanan University
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Yanan University
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Filing date
Publication date
Application filed by Yanan University filed Critical Yanan University
Priority to CN201710169012.0A priority Critical patent/CN107028207A/en
Publication of CN107028207A publication Critical patent/CN107028207A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23NMACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N12/00Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
    • A23N12/08Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a kind of vacuum fruits and vegetables rapid dryer, including hothouse, dry chamber outer wall side and be provided with air inlet, air inlet is connected with heating tube, air inlet electromagnetic valve is connected between air inlet and heating tube, heating tube is cased with heating wire, the other end of heating tube is air intake, dry chamber outer wall opposite side and be provided with bleeding point, pumping magnetic valve is connected between bleeding point and hothouse, the bleeding point other end is connected with vavuum pump, and heating wire, air inlet electromagnetic valve, vavuum pump and pumping magnetic valve are connected with supply unit;The invention also discloses a kind of method of dry fruits and vegetables, fruits and vegetables are dried based on above-mentioned vacuum fruits and vegetables rapid dryer.The present invention in hothouse by setting bleeding point, vavuum pump and pumping magnetic valve to realize and vacuumized to hothouse, hot-air is sent into hothouse, dry circulate operation vacuum drying is dried with hot-air, it is repeated multiple times, greatly improve the rate of drying of porous fruits and vegetables, and loose porous structure is formd, make it have expansion effect.

Description

A kind of vacuum fruits and vegetables rapid dryer
Technical field
The invention belongs to food processing equipment technical field, it is related to a kind of vacuum fruits and vegetables rapid dryer, has further related to adopt The method for carrying out food drying with the vacuum fruits and vegetables rapid dryer.
Background technology
Food drying process is one of important link in food technology production link, is in natural conditions or artificial control Under the conditions of promote the technical process of moisture evaporation reduction so that play extension food preservation term, be easy to store and transport, change Food form, color and luster, taste etc. are acted on.Existing natural drying method refers to dry food under natural environmental condition, Air-dry or dry in the shade, and artificial drying commonly heated-air drying, its principle be after air is heated by holding the container of material, Material, which is heated, to be taken away moisture evaporation simultaneously and reaches dry purpose.Traditional air drier is all that air is heated Afterwards, surface of material is blown over, in surface of material formation temperature difference and steam pressure difference, the moisture in material is taken away, dries it.
The content of the invention
It is an object of the invention to provide a kind of vacuum fruits and vegetables rapid dryer, realizing makes fruits and vegetables formation loose structure and makes Its quick-drying purpose.
Another object of the present invention is the method that fruit and vegetable dryness is carried out using above-mentioned vacuum fruits and vegetables rapid dryer.
The technical solution adopted in the present invention is, a kind of vacuum fruits and vegetables rapid dryer, including hothouse, dries chamber outer wall Side is provided with air inlet, and air inlet is connected with heating tube, and air inlet electromagnetic valve is connected between air inlet and heating tube, and heating tube is cased with Heating wire, the other end of heating tube is air intake, dries chamber outer wall opposite side and is provided with bleeding point, between bleeding point and hothouse Pumping magnetic valve is connected with, the bleeding point other end is connected with vavuum pump, heating wire, air inlet electromagnetic valve, vavuum pump and pumping electromagnetism Valve is connected with supply unit.
The features of the present invention is also resided in,
It is arranged with some pallets in hothouse in parallel.
Hothouse a pair of inner wall is fixed with some L brackets, and pallet is positioned on support.
Air filter screen is provided with the air intake of heating tube.
Second technical scheme of the present invention is to carry out food drying, bag using above-mentioned vacuum fruits and vegetables rapid dryer Include following steps:
Step one:Product fruits and vegetables to be processed are taken, preliminary treatment is carried out;
Step 2:Step one gained fruits and vegetables block is laid on pallet, is put on the support in hothouse, chamber door is closed;
Step 3:Vavuum pump and pumping magnetic valve are opened, 3-7min is vacuumized;
Step 4:Close vavuum pump and pumping magnetic valve;
Step 5:Air inlet electromagnetic valve is opened, air enters hothouse from air intake after air filter screen is filtered, through twining The heating tube for having heating wire is heated to 50-100 DEG C, then, by air inlet electromagnetic valve, enters hothouse from air inlet, dries support Fruits and vegetables on disk, drying time is 3-7min;
Step 6:Close air inlet electromagnetic valve;
Step 7:Repeat step three to six, until stopping during fruit and vegetable dryness to constant weight.
The beneficial effects of the invention are as follows in hothouse by setting bleeding point, vavuum pump and pumping magnetic valve to realize to dry Dry room is vacuumized, then hot-air is sent into hothouse, and dry circulate operation vacuum drying is dried with hot-air:
(1) the case-hardened problem of fruits and vegetables after drying is solved.Circulated by being evacuated air inlet repeatedly, in negative pressure and boiling water Under collective effect, it is microcosmic in food on there is loose structure, have Swelling Functions;
(2) fruits and vegetables of internal porous are primarily adapted for use in.By circulating pumping, entering hot-air, hot-air is set to quickly enter fruit It is dried, then is rapidly extracted in hole inside vegetable, take moisture out of, relative decrease dry thickness expands drying Surface area, shortens the porous fruit and vegetable dryness time;
(3) reduction water boiling point is vacuumized.After vacuumizing, the moisture boiling in fruits and vegetables.Make the dry of porous fruits and vegetables It is dry that evaporation plus boiling are changed into from common evaporation, greatly accelerate drying process;
(4) nutrition of porous fruits and vegetables is conducive to retain.Drying temperature is reduced, drying time is shortened, is conducive to porous The nutrition of fruits and vegetables retains;
(5) drying efficiency is high.The circulation with air inlet is vacuumized, the steam that evaporation and boiling are discharged is rapidly by vacuum pumping Walk, be supplemented new hot-air and come in, reduce moisture in air pressure to evaporate with boiling influence, rate of drying faster, it is more thorough Bottom.
Brief description of the drawings
Fig. 1 is a kind of structural representation of vacuum fruits and vegetables rapid dryer of the invention.
In figure, 1. air intakes, 2. air filter screens, 3. heating wire, 4. heating tubes, 5. air inlet electromagnetic valves, 6. air inlets, 7. Hothouse, 8. pallets, 9. supports, 10. pumping magnetic valves, 11. bleeding points, 12. vavuum pumps.
Embodiment
A kind of vacuum fruits and vegetables rapid dryer of the invention is described in detail with reference to the accompanying drawings and detailed description.
A kind of vacuum fruits and vegetables rapid dryer, as shown in figure 1, including hothouse 7, the outer wall side of hothouse 7 is provided with air inlet Mouth 6, air inlet 6 is connected with heating tube 4, and air inlet electromagnetic valve 5 is connected between air inlet 6 and heating tube 4, and heating tube 4 is cased with electric heating Silk 3, the other end of heating tube 4 is air intake 1, and the outer wall opposite side of hothouse 7 is provided with bleeding point 11, bleeding point 11 and hothouse Pumping magnetic valve 10 is connected between 7, the other end of bleeding point 11 is connected with vavuum pump 12, heating wire 3, air inlet electromagnetic valve 5, vacuum Pump 12 and pumping magnetic valve 10 are connected with supply unit.
It is arranged with some pallets 8 in hothouse 7 in parallel.
The a pair of inner wall of hothouse 7 is fixed with some L brackets 9, and pallet 8 is positioned on support 9.
Air filter screen 2 is provided with the air intake 1 of heating tube 4.
A kind of method of dry fruits and vegetables, fruit and vegetable dryness, its feature are carried out using above-mentioned vacuum fruits and vegetables rapid dryer It is, comprises the following steps:
Step one:Product fruits and vegetables to be processed are taken, preliminary treatment is carried out;
Step 2:Step one gained fruits and vegetables block is laid on pallet 8, is put on the support 9 in hothouse 7, case is closed Door;
Step 3:Vavuum pump 12 and pumping magnetic valve 10 are opened, 3-7min is vacuumized;
Step 4:Close vavuum pump 12 and pumping magnetic valve 10;
Step 5:Air inlet electromagnetic valve 5 is opened, air enters hothouse 7 from air intake 1 after the filtering of air filter screen 2, Heating tube 4 through being tied with heating wire 3 is heated to 50-100 DEG C, then, by air inlet electromagnetic valve 5, enters hothouse from air inlet 6 7, the fruits and vegetables on pallet 8 are dried, drying time is 3-7min;
Step 6:Close air inlet electromagnetic valve 5;
Step 7:Repeat step three to six, until stopping during fruit and vegetable dryness to constant weight.
The method that the present invention carries out fruit and vegetable dryness using vacuum fruits and vegetables rapid dryer is further illustrated with embodiment below.
Embodiment 1
By taking Drying Dates as an example, it is specially:
Step one:The jujube of maturation is taken, cleaning, draining are simultaneously enucleated;
Step 2:Step one gained enuleation date is layered on pallet 8, is put on the support 9 in hothouse 7, case is closed Door;
Step 3:Vavuum pump 12 and pumping magnetic valve 10 are opened, 3min is vacuumized;
Step 4:Close vavuum pump 12 and pumping magnetic valve 10;
Step 5:Air inlet electromagnetic valve 5 is opened, air enters hothouse 7 from air intake 1 after the filtering of air filter screen 2, Heating tube 4 through being tied with heating wire 3 is heated to 100 DEG C, then, by air inlet electromagnetic valve 5, enters hothouse 7 from air inlet 6, The enuleation date on pallet 8 is dried, drying time is 4min;
Step 6:Close air inlet electromagnetic valve 5;
Step 7:Repeat step three to six, until stopping during enuleation date drying to constant weight.
Embodiment 2
Exemplified by drying haw flakes, it is specially:
Step one:The hawthorn of maturation is taken, is enucleated, peels, be cut into after 3mm thin slice, colour protecting liquid color protection 2min is put into, drags for Go out, draining;
Step 2:Step one gained haw flakes are laid on pallet 8, are put on the support 9 in drying machine 7, case is closed Door;
Step 3:Vavuum pump 12 and pumping magnetic valve 10 are opened, 4min is vacuumized;
Step 4:Close vavuum pump 12 and pumping magnetic valve 10;
Step 5:Air inlet electromagnetic valve 5 is opened, air enters hothouse 7 from air intake 1 after the filtering of air filter screen 2, Heating tube 4 through being tied with heating wire 3 is heated to 65 DEG C, then, by air inlet electromagnetic valve 5, enters hothouse 7 from air inlet 6, does Haw flakes on dry pallet 8, drying time is 3min;
Step 6:Close air inlet electromagnetic valve 5;
Step 7:Repeat step three to six, until stopping during haw flakes drying to constant weight.
Embodiment 3
Exemplified by drying banana, it is specially:
Step one:The banana of maturation is taken, peeling is cut into after 3mm thin slice, puts into colour protecting liquid color protection 2min, pull out, drips Water;
Step 2:Step one gained banana chip is laid on pallet 8, is put on the support 9 in drying machine 7, case is closed Door;
Step 3:Vavuum pump 12 and pumping magnetic valve 10 are opened, 7min is vacuumized;
Step 4:Close vavuum pump 12 and pumping magnetic valve 10;
Step 5:Air inlet electromagnetic valve 5 is opened, air enters hothouse 7 from air intake 1 after the filtering of air filter screen 2, Heating tube 4 through being tied with heating wire 3 is heated to 50 DEG C, then, by air inlet electromagnetic valve 5, enters hothouse 7 from air inlet 6, does Banana chip on dry pallet 8, drying time is 7min;
Step 6:Close air inlet electromagnetic valve 5;
Step 7:Repeat step three to six, until stopping during banana chip drying to constant weight.
The present invention is vacuumized by setting bleeding point, vavuum pump in hothouse and being evacuated magnetic valve realization to hothouse, then Hot-air is sent into hothouse, dry circulate operation vacuum drying is dried with hot-air, using the generation of steam vacuum boiling by interior The impulsive force alternating action that outside impulsive force is produced with negative pressure ecto-entad forms cellular structure, hot blast in fruits and vegetables cell membrane Dried into fruits and vegetables hole and heated material, recycle the water for vacuumizing the hot-air for taking away humidity rising and allowing in fruits and vegetables to boil Rise, it is repeated multiple times, the rate of drying of fruits and vegetables is greatly improved, and loose porous structure is formd, with expansion effect.

Claims (5)

1. a kind of vacuum fruits and vegetables rapid dryer, it is characterised in that including hothouse (7), hothouse (7) outer wall side be provided with into Gas port (6), air inlet (6) is connected with heating tube (4), and air inlet electromagnetic valve (5) is connected between air inlet (6) and heating tube (4), plus Heat pipe (4) is cased with heating wire (3), and the other end of heating tube (4) is air intake (1), and hothouse (7) the outer wall opposite side is opened There is bleeding point (11), pumping magnetic valve (10) is connected between bleeding point (11) and hothouse (7), bleeding point (11) other end connects Vavuum pump (12) is connected to, the heating wire (3), air inlet electromagnetic valve (5), vavuum pump (12) and pumping magnetic valve (10) are connected with electricity Source device.
2. a kind of vacuum fruits and vegetables rapid dryer according to claim 1, it is characterised in that put down in the hothouse (7) Row is provided with some pallets (8).
3. a kind of vacuum fruits and vegetables rapid dryer according to claim 2, it is characterised in that a pair of the hothouse (7) Inwall is fixed with some L brackets (9), and the pallet (8) is positioned on support (9).
4. a kind of vacuum fruits and vegetables rapid dryer according to claim 3, it is characterised in that the sky of the heating tube (4) Gas entrance (1) place is provided with air filter screen (2).
5. a kind of method of dry fruits and vegetables, fruit and vegetable dryness is carried out using vacuum fruits and vegetables rapid dryer as claimed in claim 1, It is characterised in that it includes following steps:
Step one:Product fruits and vegetables to be processed are taken, preliminary treatment is carried out;
Step 2:Step one gained fruits and vegetables block is laid on pallet (8), is put on the support (9) in hothouse (7), is closed Chamber door;
Step 3:Vavuum pump (12) and pumping magnetic valve (10) are opened, 3-7min is vacuumized;
Step 4:Close vavuum pump (12) and pumping magnetic valve (10);
Step 5:Air inlet electromagnetic valve (5) is opened, air enters hothouse from air intake (1) after air filter screen (2) filtering (7) 50-100 DEG C, is heated to through being tied with the heating tube (4) of heating wire (3), then, by air inlet electromagnetic valve (5), from air inlet (6) enter hothouse (7), dry the fruits and vegetables on pallet (8), drying time is 3-7min;
Step 6:Close air inlet electromagnetic valve (5);
Step 7:Repeat step three to six, until stopping during fruit and vegetable dryness to constant weight.
CN201710169012.0A 2017-03-21 2017-03-21 A kind of vacuum fruits and vegetables rapid dryer Pending CN107028207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710169012.0A CN107028207A (en) 2017-03-21 2017-03-21 A kind of vacuum fruits and vegetables rapid dryer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710169012.0A CN107028207A (en) 2017-03-21 2017-03-21 A kind of vacuum fruits and vegetables rapid dryer

Publications (1)

Publication Number Publication Date
CN107028207A true CN107028207A (en) 2017-08-11

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CN201710169012.0A Pending CN107028207A (en) 2017-03-21 2017-03-21 A kind of vacuum fruits and vegetables rapid dryer

Country Status (1)

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CN (1) CN107028207A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107927851A (en) * 2017-10-18 2018-04-20 百奥森(江苏)食品安全科技有限公司 A kind of soybean dries storage integrated equipment
CN108151448A (en) * 2017-12-25 2018-06-12 浙江旺林生物科技有限公司 A kind of stoving process of Ge Ye powder
CN109527401A (en) * 2018-12-29 2019-03-29 云南顶旺食品有限公司 The energy-efficient snow cake processing unit (plant) of one kind and method
CN111811225A (en) * 2020-07-09 2020-10-23 王鹏 Energy-conserving efficient particulate matter desiccator
CN112161435A (en) * 2020-10-14 2021-01-01 中国兵器科学研究院宁波分院 Rapid cooling vacuum drying device and method
RU2776761C1 (en) * 2022-01-18 2022-07-26 Федеральное государственное бюджетное образовательное учреждение высшего образования "Кузбасская государственная сельскохозяйственная академия" Method for barovacuum drying of raspberries

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CH592854A5 (en) * 1975-12-01 1977-11-15 Bertrams Ag Hch Vacuum drying cabin - has shelves formed by hollow plates through which hot air is passed
CN1034422A (en) * 1987-10-24 1989-08-02 国家机械工业委员会沈阳真空技术研究所 Closed vacuum hot-air dry system
CN101231137A (en) * 2007-11-27 2008-07-30 河南黄河实业集团股份有限公司 Cooling apparatus of electro-heat vacuum drier
CN102754899A (en) * 2012-07-13 2012-10-31 河南省农业科学院 Peanut drying method and device
CN103445271A (en) * 2013-09-03 2013-12-18 无锡柯马机械有限公司 Drying device
CN104567295A (en) * 2015-01-28 2015-04-29 杭州华丹农产品有限公司 Efficient vacuum low-temperature hot air drying device
CN204854171U (en) * 2015-08-14 2015-12-09 三门峡赛诺维制药有限公司 Vacuum drying oven
CN105249503A (en) * 2015-11-07 2016-01-20 朱永彪 Vacuum vegetable dewatering room
CN206760723U (en) * 2017-03-21 2017-12-19 延安大学 A kind of fruits and vegetables rapid dryer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH592854A5 (en) * 1975-12-01 1977-11-15 Bertrams Ag Hch Vacuum drying cabin - has shelves formed by hollow plates through which hot air is passed
CN1034422A (en) * 1987-10-24 1989-08-02 国家机械工业委员会沈阳真空技术研究所 Closed vacuum hot-air dry system
CN101231137A (en) * 2007-11-27 2008-07-30 河南黄河实业集团股份有限公司 Cooling apparatus of electro-heat vacuum drier
CN102754899A (en) * 2012-07-13 2012-10-31 河南省农业科学院 Peanut drying method and device
CN103445271A (en) * 2013-09-03 2013-12-18 无锡柯马机械有限公司 Drying device
CN104567295A (en) * 2015-01-28 2015-04-29 杭州华丹农产品有限公司 Efficient vacuum low-temperature hot air drying device
CN204854171U (en) * 2015-08-14 2015-12-09 三门峡赛诺维制药有限公司 Vacuum drying oven
CN105249503A (en) * 2015-11-07 2016-01-20 朱永彪 Vacuum vegetable dewatering room
CN206760723U (en) * 2017-03-21 2017-12-19 延安大学 A kind of fruits and vegetables rapid dryer

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107927851A (en) * 2017-10-18 2018-04-20 百奥森(江苏)食品安全科技有限公司 A kind of soybean dries storage integrated equipment
CN108151448A (en) * 2017-12-25 2018-06-12 浙江旺林生物科技有限公司 A kind of stoving process of Ge Ye powder
CN109527401A (en) * 2018-12-29 2019-03-29 云南顶旺食品有限公司 The energy-efficient snow cake processing unit (plant) of one kind and method
CN111811225A (en) * 2020-07-09 2020-10-23 王鹏 Energy-conserving efficient particulate matter desiccator
CN112161435A (en) * 2020-10-14 2021-01-01 中国兵器科学研究院宁波分院 Rapid cooling vacuum drying device and method
CN112161435B (en) * 2020-10-14 2022-06-28 中国兵器科学研究院宁波分院 Rapid cooling vacuum drying device and method
RU2777685C1 (en) * 2022-01-17 2022-08-08 Федеральное государственное бюджетное образовательное учреждение высшего образования "Кузбасская государственная сельскохозяйственная академия" Method for vacuum drying of shadberry
RU2776761C1 (en) * 2022-01-18 2022-07-26 Федеральное государственное бюджетное образовательное учреждение высшего образования "Кузбасская государственная сельскохозяйственная академия" Method for barovacuum drying of raspberries
RU2778189C1 (en) * 2022-01-18 2022-08-15 Федеральное государственное бюджетное образовательное учреждение высшего образования "Кузбасская государственная сельскохозяйственная академия" Method for pressure vacuum drying of gooseberries

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Application publication date: 20170811

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