CN203015793U - Non-frying vacuum freezing puffing dryer - Google Patents
Non-frying vacuum freezing puffing dryer Download PDFInfo
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- CN203015793U CN203015793U CN 201220730588 CN201220730588U CN203015793U CN 203015793 U CN203015793 U CN 203015793U CN 201220730588 CN201220730588 CN 201220730588 CN 201220730588 U CN201220730588 U CN 201220730588U CN 203015793 U CN203015793 U CN 203015793U
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- pneumatic valve
- operated pneumatic
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Abstract
The utility model discloses a non-frying vacuum freezing puffing dryer, and belongs to a dryer. The non-frying vacuum freezing puffing dryer structurally comprises a cold trap, a refrigerating unit, a vacuum tank, a vacuum unit, a puffing tank and a plate-type heat exchanger, wherein the vacuum unit is respectively connected with the cold trap and the vacuum tank; the cold trap, the vacuum tank and the puffing tank are connected through a three-way pipe; the refrigerating unit is connected with the cold trap through a condenser tube; the puffing tank is respectively connected with the plate-type heat exchanger through a water inlet pipe and a water outlet pipe; the plate-type heat exchanger is respectively connected with a heating water tank and a cooling cycle unit; a material tray is arranged inside the puffing tank; the puffing tank is connected with an oilless air compressor; and a sterile air filter is arranged between the puffing tank and the oilless air compressor. The non-frying vacuum freezing puffing dryer can be comparable with the vacuum frozen and dried product in color, flavor and nutritional ingredients; and the puffed and dried product has good crispness, intact appearance and crisp mouthfeel, and the additional value of the product is improved due to the fact a porous and spongy structure is generated inside the material.
Description
Technical field
The utility model relates to a kind of drying machine, especially a kind of non-fried vacuum refrigeration swelling drier.
Background technology
Vacuum Freeze Drying Technology for Food is a complex art interdisciplinary, relates to multidisciplinary, multi-field.The progress of food freeze drying technology depends on the development of cross discipline.Vacuum Freezing ﹠ Drying Technology can to greatest extent, maximum duration keep its look, flavor, shape and nutritional labeling.
Non-fried vacuum puffed drying is to carry out on the basis of heated-air drying, utilizes the pressure differential of Bulking tank and vacuum tank, makes material internal moisture flash evapn, causes raw tissue to expand rapidly, forms uniform alveolate texture.Keep thermal dehydration a period of time under vacuum state, until reach required safe moisture content (3%～5%), stopped heating is removed vacuum when making Bulking tank be cooled to room temperature, take out product, divides grade packagedly, namely obtains dilated product.
Only the final products through vacuum freeze drying can produce the appearance fold, and the phenomenon that structure is collapsed, product hardness is large has a strong impact on the sensory evaluation of product.Only with the product that has non-frying-expansion technology now, because need the pre-dried process of long-time hot blast, its moisture is down to the process that could begin explosion puffing drying after 30-40%, and long-time heated-air drying can cause the serious fold of appearance, structure to be collapsed, browning phenomenon and coking phenomenon occur simultaneously, colour-darkening has a strong impact on sense organ and the quality of dilated product.
At present, utilize vacuum freeze drying to have no report both at home and abroad in conjunction with the method and apparatus of non-fried vacuum puffed dry technology.
The utility model content
Technical assignment of the present utility model is to provide a kind of non-fried vacuum refrigeration swelling drier for above-mentioned deficiency of the prior art, the product of producing through non-fried vacuum refrigeration swelling drier, can compare favourably with the product quality of vacuum freeze drying on color and local flavor, nutritional labeling, porous, spongiform structure have been produced through the product of explosion puffing drying due to raw material inside simultaneously, compare product with the vacuum freeze drying product good crisp brittleness is arranged, profile is complete, mouthfeel is crisp, has improved value-added content of product.
the technical scheme that its technical problem that solves the utility model adopts is: it comprises cold-trap, refrigeration unit, vacuum tank, the vacuum unit, Bulking tank and plate type heat exchanger, described vacuum machine group is connected with vacuum tank with cold-trap respectively, described cold-trap, be connected by three-way pipe between vacuum tank and Bulking tank, described refrigeration unit is connected with cold-trap by condenser tube, described Bulking tank is connected with plate type heat exchanger with outlet pipe by water inlet pipe respectively, described plate type heat exchanger is connected with the cool cycles unit with heating jug respectively, one end of described Bulking tank is provided with the Bulking tank door, be provided with material tray in Bulking tank, described Bulking tank is connected with oilless air compressor, be provided with aseptic air filter between Bulking tank and oilless air compressor, be respectively arranged with the first operated pneumatic valve and the second operated pneumatic valve between described cold-trap and vacuum unit and Bulking tank, be respectively arranged with the 8th operated pneumatic valve and the 7th operated pneumatic valve between described vacuum tank and vacuum unit and Bulking tank, be respectively arranged with the 5th operated pneumatic valve and the 6th operated pneumatic valve between the two ends of described refrigeration unit and condenser tube, be respectively arranged with the 3rd operated pneumatic valve and the 4th operated pneumatic valve between the two ends of described cool cycles unit and plate type heat exchanger, be respectively arranged with the tenth operated pneumatic valve and the 11 operated pneumatic valve between the two ends of described heating jug and plate type heat exchanger, be provided with the 9th operated pneumatic valve on pipeline between described Bulking tank and aseptic air filter.
Be provided with heating plate in described Bulking tank, described heating plate comprises Transverse Heated plate and vertical heating plate, described Transverse Heated plate longitudinally heating plate evenly arranges, described material tray is separately positioned on the Transverse Heated plate, and the upper and lower of described Transverse Heated plate is connected with water inlet pipe and outlet pipe respectively.
Be provided with temperature probe and moisture probe in described Bulking tank.
Described the first operated pneumatic valve, the second operated pneumatic valve, the 3rd operated pneumatic valve, the 4th operated pneumatic valve, the 5th operated pneumatic valve, the 6th operated pneumatic valve, the 7th operated pneumatic valve, the 8th operated pneumatic valve, the 9th operated pneumatic valve, the tenth operated pneumatic valve are connected with control system respectively with the 11 operated pneumatic valve.
Non-fried vacuum refrigeration swelling drier of the present utility model compared to the prior art, has following outstanding beneficial effect: the product of producing through non-fried vacuum refrigeration swelling drier, can compare favourably with the product quality of vacuum freeze drying on color and local flavor, nutritional labeling, porous, spongiform structure have been produced through the product of explosion puffing drying due to raw material inside simultaneously, compare product with the vacuum freeze drying product good crisp brittleness is arranged, profile is complete, mouthfeel is crisp, has improved value-added content of product; Energy consumption for drying is lower, and owing to having taked the measures such as circulating cooling and circulating hot water heating, the thermal efficiency is higher, can consume the energy consumption well below vacuum freeze drying, and this has greatly improved production efficiency in actual production, and has effectively reduced product cost; Environmental protection, in process, water consumption is few, and the discarded object of generation is few, meets environmental requirement, and processing byproduct is further processing and utilization also, pollutes few; Nutritious, the product dilated product has not only kept shape, the color and luster of product without the technique such as broken, as to squeeze the juice, concentrate, and more nutritional labeling in retained product to greatest extent also is as vitamin, cellulose, mineral matter etc.; Shelf life of products is long, and the water content of dilated product is generally below 7%, is unfavorable for the growth of microorganism breeding, can long preservation; Utilize non-frying-expansion technology, overcome the shortcoming that contains grease in the lower temperature vacuum frying product, be difficult for causing the characteristics such as bad quality such as grade spoiled by rancid oil or fat variation.
Description of drawings
The structural representation of the accompanying drawing 1 fried vacuum refrigeration swelling drier of right and wrong;
Accompanying drawing 2 is that the Bulking tank shown in Fig. 1 and heating plate amplify the plan structure schematic diagram;
description of reference numerals: 1, cold-trap, 2, vacuum tank, 3, Bulking tank, 4, heating plate, 5, heating jug, 6, refrigeration unit, 7, the vacuum unit, 8, aseptic air filter, 9, oilless air compressor, 10, condenser tube, 11, plate type heat exchanger, 12, the Bulking tank door, 13, material tray, 14, the cool cycles unit, 15, temperature probe, 16, the moisture probe, 17, the first operated pneumatic valve, 18, the second operated pneumatic valve, 19, the 3rd operated pneumatic valve 20, the 4th operated pneumatic valve, 21, the 5th operated pneumatic valve, 22, the 6th operated pneumatic valve, 23, the 7th operated pneumatic valve, 24, the 8th operated pneumatic valve, 25, the 9th operated pneumatic valve, 26, the tenth operated pneumatic valve, 27, the 11 operated pneumatic valve, 28, the Transverse Heated plate, 29, vertical heating plate, 30, three-way pipe, 31, water inlet pipe, 32, outlet pipe.
The specific embodiment
Be described in detail below with reference to Figure of description 1, accompanying drawing 2 and 3 pairs of non-fried vacuum refrigeration swelling driers of the present utility model of accompanying drawing.
non-fried vacuum refrigeration swelling drier of the present utility model, its structure comprises cold-trap 1, refrigeration unit 6, vacuum tank 2, vacuum unit 7, Bulking tank 3 and plate type heat exchanger 11, described vacuum unit 7 is connected with vacuum tank 2 with cold-trap 1 respectively, described cold-trap 1, be connected by three-way pipe 30 between vacuum tank 2 and Bulking tank 3, described refrigeration unit 6 is connected with cold-trap 1 by condenser tube 10, described Bulking tank 3 is connected with plate type heat exchanger 11 with outlet pipe 32 by water inlet pipe 31 respectively, described plate type heat exchanger 11 is connected with cool cycles unit 14 with heating jug 5 respectively, one end of described Bulking tank 3 is provided with Bulking tank door 12, be provided with material tray 13 in Bulking tank 3, described Bulking tank 3 is connected with oilless air compressor 9, be provided with aseptic air filter 8 between Bulking tank 3 and oilless air compressor 9, be respectively arranged with the first operated pneumatic valve 17 and the second operated pneumatic valve 18 between described cold-trap 1 and vacuum unit 7 and Bulking tank 3, be respectively arranged with the 8th operated pneumatic valve 24 and the 7th operated pneumatic valve 23 between described vacuum tank 2 and vacuum unit 7 and Bulking tank 3, be respectively arranged with the 5th operated pneumatic valve 21 and the 6th operated pneumatic valve 22 between the two ends of described refrigeration unit 6 and condenser tube 10, be respectively arranged with the 3rd operated pneumatic valve 19 and the 4th operated pneumatic valve 20 between the two ends of described cool cycles unit 14 and plate type heat exchanger 11, be respectively arranged with the tenth operated pneumatic valve 26 and the 11 operated pneumatic valve 27 between the two ends of described heating jug 5 and plate type heat exchanger 11, be provided with the 9th operated pneumatic valve 25 on pipeline between described Bulking tank 3 and aseptic air filter 8.
Be provided with heating plate 4 in described Bulking tank 3, described heating plate 4 comprises Transverse Heated plate 28 and vertical heating plate 29, described Transverse Heated plate 28 longitudinally heating plate 29 evenly arranges, described material tray 13 is separately positioned on Transverse Heated plate 28, and the upper and lower of described Transverse Heated plate 28 is connected with water inlet pipe 31 and outlet pipe 32 respectively.The interior heat drying mode of Bulking tank 3 is the interior logical hot water heating of built-in heating plate 4, hot water is provided directly for heating plate 4 by airtight heating jug 5, forms airtight loop, and Bulking tank 3 pressurizations are adopted through the filtrated air that filters and realized.Logical steam drying mode of heating in heating pipe built-in commonly used, sensitive and accurate not for the setup control of temperature in tank, temperature fluctuation is large, and heating and cooling are slow, become condensed water after Steam Heating and directly discharge, and cause a large amount of wastes.Simultaneously, the interior pressurization of Bulking tank 3 is also by steam injection, has strengthened the moisture content in Bulking tank 3, to puffing process with adverse effect is arranged drying time.Therefore adopt the plate type heating mode, strengthened and be subjected to thermocontact area, become radiation heating by original conduction heating, improved the efficiency of heating surface, the temperature fluctuation in whole Bulking tank is little, also be more convenient for controlling, and hot water can recycle, and is more energy-saving and cost-reducing.
Be provided with temperature probe 15 and moisture probe 16 in described Bulking tank 3.After control panel design temperature and pressure, the opening and closing of operated pneumatic valve are all controlled automatically by control system.
Described the first operated pneumatic valve 17, the second operated pneumatic valve 18, the 3rd operated pneumatic valve 19, the 4th operated pneumatic valve 20, the 5th operated pneumatic valve 21, the 6th operated pneumatic valve 22, the 7th operated pneumatic valve 23, the 8th operated pneumatic valve 24, the 9th operated pneumatic valve 25, the tenth operated pneumatic valve 26 are connected with control system respectively with the 11 operated pneumatic valve 27.
Operating process is: after the good raw material quick-frozen of pretreatment, spread out into individual layer, be uniformly distributed on steel wire material tray 13, put into Bulking tank 3, be placed on heating plate 4, close Bulking tank door 12, sealing Bulking tank 3.
Open vacuum unit 7 and refrigeration unit 6, open the first operated pneumatic valve 17, the second operated pneumatic valve 18, the 5th operated pneumatic valve 21 and the 6th operated pneumatic valve 22,7 pairs of Bulking tanks 3 of vacuum unit and cold-trap 1 vacuumize simultaneously, extract non-condensable gas; Refrigeration unit 6 provides low-temperature receiver by 10 pairs of cold-traps 1 of condenser tube, reduces Bulking tank 3 temperature; The predrying process of beginning vacuum refrigeration.Bulking tank 3 internal pressures maintain below 100pa, and temperature of charge makes the material fully charge lower than eutectic temperature.During to product moisture content to 30-40%, close the first operated pneumatic valve 17, adjust cryogenic temperature, temperature of charge is maintained below-18 ℃, continue freezing processing, make the moisture in material even, after completing the sam process, close the second operated pneumatic valve 18, the 5th operated pneumatic valve 21 and the 6th operated pneumatic valve 22.
Open the tenth operated pneumatic valve 26 and the 11 operated pneumatic valve 27, heating jug 5 produces superheated steam and heats up to the circulating water heating in Bulking tank 3 through plate type heat exchanger 11, to predetermined baking temperature.Open simultaneously the 8th operated pneumatic valve 24, make vacuum tank 2 pressure reach the setting negative pressure.Open oilless air compressor 9 and the 9th operated pneumatic valve 25, inject the aseptic compressed air of steam and impurity after filtration to Bulking tank 3, make Bulking tank 3 pressure reach the setting malleation, open the 7th operated pneumatic valve 23, make vacuum tank 2 and Bulking tank 3 UNICOMs, utilize the pressure differential between two tanks to carry out expanded.After expanded completing, close the tenth operated pneumatic valve 26 and the 11 operated pneumatic valve 27, open the 3rd operated pneumatic valve 19 and the 4th operated pneumatic valve 20, be cooled to the setting baking temperature for the circulating water in Bulking tank 3 by cool cycles unit 14 through plate type heat exchanger 11.Temperature probe 15 and moisture probe 16 are housed in Bulking tank 3, and it is inner that moisture probe 16 inserts material.After control panel design temperature and pressure, the opening and closing of operated pneumatic valve are all controlled automatically by control system.The beginning process of vacuum drying, the vacuum drying time of keeping setting.By cool cycles unit 14 Slow coolings, begin the expanded solid type process of humidity discharging at last, this process shortens drying time greatly.Continue to cool to room temperature after expanded solid type, closing device is opened Bulking tank 3, and is minute grade packaged, obtains the expanded crisp complete product of non-fried vacuum refrigeration.
Except the described technical characterictic of specification, be the known technology of those skilled in the art.
Claims (4)
1. non-fried vacuum refrigeration swelling drier, it is characterized in that: comprise cold-trap, refrigeration unit, vacuum tank, the vacuum unit, Bulking tank and plate type heat exchanger, described vacuum machine group is connected with vacuum tank with cold-trap respectively, described cold-trap, be connected by three-way pipe between vacuum tank and Bulking tank, described refrigeration unit is connected with cold-trap by condenser tube, described Bulking tank is connected with plate type heat exchanger with outlet pipe by water inlet pipe respectively, described plate type heat exchanger is connected with the cool cycles unit with heating jug respectively, one end of described Bulking tank is provided with the Bulking tank door, be provided with material tray in Bulking tank, described Bulking tank is connected with oilless air compressor, be provided with aseptic air filter between Bulking tank and oilless air compressor, be respectively arranged with the first operated pneumatic valve and the second operated pneumatic valve between described cold-trap and vacuum unit and Bulking tank, be respectively arranged with the 8th operated pneumatic valve and the 7th operated pneumatic valve between described vacuum tank and vacuum unit and Bulking tank, be respectively arranged with the 5th operated pneumatic valve and the 6th operated pneumatic valve between the two ends of described refrigeration unit and condenser tube, be respectively arranged with the 3rd operated pneumatic valve and the 4th operated pneumatic valve between the two ends of described cool cycles unit and plate type heat exchanger, be respectively arranged with the tenth operated pneumatic valve and the 11 operated pneumatic valve between the two ends of described heating jug and plate type heat exchanger, be provided with the 9th operated pneumatic valve on pipeline between described Bulking tank and aseptic air filter.
2. non-fried vacuum refrigeration swelling drier according to claim 1, it is characterized in that: be provided with heating plate in described Bulking tank, described heating plate comprises Transverse Heated plate and vertical heating plate, described Transverse Heated plate longitudinally heating plate evenly arranges, described material tray is separately positioned on the Transverse Heated plate, and the upper and lower of described Transverse Heated plate is connected with water inlet pipe and outlet pipe respectively.
3. non-fried vacuum refrigeration swelling drier according to claim 1, is characterized in that: be provided with temperature probe and moisture probe in described Bulking tank.
4. non-fried vacuum refrigeration swelling drier according to claim 1, it is characterized in that: described the first operated pneumatic valve, the second operated pneumatic valve, the 3rd operated pneumatic valve, the 4th operated pneumatic valve, the 5th operated pneumatic valve, the 6th operated pneumatic valve, the 7th operated pneumatic valve, the 8th operated pneumatic valve, the 9th operated pneumatic valve, the tenth operated pneumatic valve are connected with control system respectively with the 11 operated pneumatic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730588 CN203015793U (en) | 2012-12-26 | 2012-12-26 | Non-frying vacuum freezing puffing dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730588 CN203015793U (en) | 2012-12-26 | 2012-12-26 | Non-frying vacuum freezing puffing dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203015793U true CN203015793U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220730588 Withdrawn - After Issue CN203015793U (en) | 2012-12-26 | 2012-12-26 | Non-frying vacuum freezing puffing dryer |
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| CN (1) | CN203015793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103005651A (en) * | 2012-12-26 | 2013-04-03 | 孙曙光 | Non-fried vacuum-freezing puffing dryer |
-
2012
- 2012-12-26 CN CN 201220730588 patent/CN203015793U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103005651A (en) * | 2012-12-26 | 2013-04-03 | 孙曙光 | Non-fried vacuum-freezing puffing dryer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20141022 |
|
| RGAV | Abandon patent right to avoid regrant |