CN203207136U - Vacuum-freezing puffing dryer - Google Patents
Vacuum-freezing puffing dryer Download PDFInfo
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- CN203207136U CN203207136U CN2013201445516U CN201320144551U CN203207136U CN 203207136 U CN203207136 U CN 203207136U CN 2013201445516 U CN2013201445516 U CN 2013201445516U CN 201320144551 U CN201320144551 U CN 201320144551U CN 203207136 U CN203207136 U CN 203207136U
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- heating plate
- bulking tank
- vacuum
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- tank
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Abstract
The utility model discloses a vacuum-freezing puffing dryer, which belongs to the dryers. The vacuum-freezing puffing dryer structurally comprises a cold trap, a refrigerating unit, a vacuum set, a puffing tank, plate type heat exchangers and a circulating water tank, wherein the refrigerating unit is connected with the cold trap by a condensing tube; a water inlet tube and a water outlet tube are respectively arranged on the upper part and the lower part of the puffing tank; the circulating water tank is arranged between the water inlet tube and the water outlet tube outside the puffing tank; upper and lower plate type heat exchangers are arranged in parallel between the circulating water tank and the water inlet tube; a water pump is respectively arranged between each of the upper and the lower plate type heat exchangers and the circulating water tank; and a sterile air filter is arranged on the lower part of the puffing tank. The vacuum-freezing puffing dryer disclosed by the utility model can be used for keeping the original biological activity and nutritional ingredients of the food to the greatest extend, and can be used for improving the mouthfeel. Moreover, the vacuum-freezing puffing dyer has the characteristics of being good in crispness, complete in appearance, lower in drying energy consumption and capable of improving the production efficiency.
Description
Technical field
The utility model relates to a kind of drying machine, especially a kind of vacuum refrigeration explosion puffing drying machine.
Background technology
The food vacuum Freeze Drying Technique 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.
Now when food is carried out drying, vacuum freeze drying normally, and only can produce the appearance fold through the final products of vacuum freeze drying, the phenomenon that structure is collapsed, product hardness is big have a strong impact on the sensory evaluation of product, and mouthfeel is poor, shelf life of products is short, the energy consumption for drying height.At present, good solution is not also arranged.
The utility model content
Technical assignment of the present utility model is to provide a kind of vacuum refrigeration explosion puffing drying machine at above-mentioned deficiency of the prior art, these vacuum refrigeration explosion puffing drying facility have can keep the original biologically active of food and nutritional labeling to greatest extent, and improve mouthfeel, has good crisp brittleness, profile is complete, mouthfeel is crisp, improved value-added content of product, extend the shelf life, need not any additives and anticorrisive agent, energy consumption for drying is lower, and the thermal efficiency is higher, improve production efficiency, and reduced the characteristics of product cost effectively.
The technical scheme that its technical problem that solves the utility model adopts is: it comprises cold-trap, refrigeration unit, the vacuum unit, Bulking tank, plate type heat exchanger and circulation water pot, the two ends of described cold-trap link to each other with Bulking tank with the vacuum unit respectively, described refrigeration unit links to each other with cold-trap by condenser tube, described Bulking tank upper and lower is respectively arranged with water inlet pipe and outlet pipe, be provided with the circulation water pot between the water inlet pipe of described Bulking tank outside and the outlet pipe, be arranged in parallel between described circulation water pot and the water inlet pipe, following two plate type heat exchangers, on described, be respectively arranged with water pump between following two plate type heat exchangers and the circulation water pot, one end of described Bulking tank is provided with the Bulking tank door, be provided with the material pallet in the Bulking tank, the bottom of described Bulking tank is provided with aseptic air filter, be respectively arranged with first operated pneumatic valve and second operated pneumatic valve between described cold-trap and vacuum unit and the Bulking tank, between described refrigeration unit and the condenser tube, between Bulking tank and the aseptic air filter and the two ends of two plate type heat exchangers are respectively arranged with magnetic valve.
Be provided with heating plate in the described Bulking tank, described heating plate comprises horizontal heating plate and vertical heating plate, described horizontal heating plate longitudinally heating plate evenly arranges, be symmetrically arranged with carriage respectively on vertical heating plate of described per two horizontal heating plate both sides, described material pallet is separately positioned on the carriage, and the upper and lower of described horizontal heating plate is connected with water inlet pipe and outlet pipe respectively.
Be provided with temperature of heating plate probe and temperature of charge probe in the described Bulking tank, described temperature of heating plate probe and temperature of charge probe contact with horizontal heating plate and material pallet respectively.
Described Bulking tank door is provided with peep hole.
Described first operated pneumatic valve, second operated pneumatic valve and magnetic valve link to each other with control system respectively.
Vacuum refrigeration explosion puffing drying machine of the present utility model is compared with prior art, has following outstanding beneficial effect: the product of producing through vacuum refrigeration explosion puffing drying machine, on color and local flavor, nutritional labeling, can compare favourably with the product quality of vacuum freeze drying, product through explosion puffing drying has produced porous, spongiform structure owing to raw material inside simultaneously, compare product with the vacuum freeze drying product good crisp brittleness is arranged, profile is complete, and mouthfeel is crisp, has improved value-added content of product; Energy consumption for drying is lower, owing to taked measures such as circulation 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 reduced product cost effectively; Environmental protection, water consumption is few in the process, and the discarded object of generation is few, compliance with environmental protection requirements, processing byproduct is further processing and utilization also, pollutes few; 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; Overcome the shortcoming that contains grease in the lower temperature vacuum frying product, be difficult for causing characteristics such as bad quality such as grade spoiled by rancid oil or fat variation.
Description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of vacuum refrigeration explosion puffing drying machine;
Accompanying drawing 2 is that Bulking tank and the heating plate of vacuum refrigeration explosion puffing drying machine amplifies the plan structure schematic diagram;
Accompanying drawing 3 is Bulking tank enlarged left views of vacuum refrigeration explosion puffing drying machine;
Accompanying drawing 4 is material pallet enlarged left views of vacuum refrigeration explosion puffing drying machine;
Description of reference numerals: 1, vacuum unit, 2, first operated pneumatic valve, 3, cold-trap, 4, magnetic valve, 5, refrigeration unit, 6, condenser tube, 7, second operated pneumatic valve, 8, aseptic air filter, 9, peep hole, 10, carriage, 11, Bulking tank, 12, the material pallet, 13, outlet pipe, 14, Bulking tank door, 15, the temperature of heating plate probe, 16, the temperature of charge probe, 17, heating plate, 18, water inlet pipe, 19, following plate type heat exchanger, 20, the circulation water pot, 21, go up plate type heat exchanger, 22, water pump, 23, horizontal heating plate, 24, vertical heating plate.
The specific embodiment
Explain below 4 pairs of vacuum refrigeration explosion puffing drying machines of the present utility model of accompanying drawing are done with reference to Figure of description 1.
Vacuum refrigeration explosion puffing drying machine of the present utility model, its structure comprises cold-trap 3, refrigeration unit 5, vacuum unit 1, Bulking tank 11, plate type heat exchanger and circulation water pot 20, the two ends of described cold-trap 3 link to each other with Bulking tank 11 with vacuum unit 1 respectively, described refrigeration unit 5 links to each other with cold-trap 3 by condenser tube 6, described Bulking tank 11 upper and lowers are respectively arranged with water inlet pipe 18 and outlet pipe 13, be provided with circulation water pot 20 between the water inlet pipe 18 of described Bulking tank 11 outsides and the outlet pipe 13, be arranged in parallel between described circulation water pot 20 and the water inlet pipe 18, following two plate type heat exchangers, on described, be respectively arranged with water pump 22 between following two plate type heat exchangers and the circulation water pot 20, one end of described Bulking tank 11 is provided with Bulking tank door 14, be provided with material pallet 12 in the Bulking tank 11, the bottom of described Bulking tank 11 is provided with aseptic air filter 8, be respectively arranged with first operated pneumatic valve 2 and second operated pneumatic valve 7 between described cold-trap 3 and vacuum unit 1 and the Bulking tank 11, between described refrigeration unit 5 and the condenser tube 6, between Bulking tank 11 and the aseptic air filter 8 and two ends of two plate type heat exchangers are respectively arranged with magnetic valve 4.
Be provided with heating plate 17 in the described Bulking tank 11, described heating plate 17 comprises horizontal heating plate 23 and vertical heating plate 24, described horizontal heating plate 23 longitudinally heating plate 24 evenly arranges, be symmetrically arranged with carriage 10 respectively on vertical heating plate 24 of described per two horizontal heating plate 23 both sides, described material pallet 12 is separately positioned on the carriage 10, and the upper and lower of described horizontal heating plate 23 is connected with water inlet pipe 18 and outlet pipe 13 respectively.The heat drying mode is logical hot water heating in the built-in heating plate 17 in the Bulking tank 11, thereby feeding steam by plate type heat exchanger provides hot water for heating plate 17 for the cold water heating in the circulation water pot 20, form airtight loop, Bulking tank 11 pressurizations are adopted through the filtrated air that filters and are realized.Therefore adopt the board-like mode of heating of heating plate, strengthened and be subjected to thermocontact area, improved the efficiency of heating surface, the temperature fluctuation in the whole Bulking tank 11 is little, the control of also being more convenient for, and also hot water can recycle, and more energy-saving and cost-reducing.
Be provided with temperature of heating plate probe 15 and temperature of charge probe 16 in the described Bulking tank 11, described temperature of heating plate probe 15 and temperature of charge probe 16 contact with horizontal heating plate 23 and material pallet 12 respectively.Be convenient to detect material temperature in heating plate 17 and the material pallet 12.
Described Bulking tank door 14 is provided with peep hole 9.Be convenient to observe the state of the material in the Bulking tank 11.
Described first operated pneumatic valve 2, second operated pneumatic valve 7 link to each other with control system respectively with magnetic valve 4.Behind design temperature and the pressure, the opening and closing of operated pneumatic valve and magnetic valve are all controlled automatically by control system.
Operating process is: after the good raw material quick-frozen of preliminary treatment, spread out into individual layer, be uniformly distributed on the material pallet 12, put into Bulking tank 11, place on the carriage 10 of heating plate 17, make material pallet 12 and levels heating plate apart from consistent.Temperature of charge probe 16 is inserted in the material, change with the monitoring material temperature.Close Bulking tank door 14, sealing Bulking tank 11.The state of material can be learnt by the peep hole 9 on the Bulking tank door 14.
Open vacuum unit 1, open first operated pneumatic valve 2 between vacuum unit 1 and the cold-trap 3,1 pair of Bulking tank 11 of vacuum unit and cold-trap 3 vacuumize simultaneously, extract non-condensable gas; Keep below the Bulking tank 11 internal pressure 100pa beginning vacuum freeze drying process.
ON cycle water pot 20, open water pump 22 and the magnetic valve 4 of the band frequency-converter device that links to each other with following plate type heat exchanger 19, to descend and feed steam in the plate type heat exchanger 19, cold water in the circulation water pot 20 is carried out heat exchange, condensed water after the heat exchange is discharged plate type heat exchanger 19 down, cold water in the circulation water pot 20 is through heating up the heating plate 17 in the Bulking tank 11 after plate type heat exchanger 19 heating down, heating plate 17 temperature are learnt by the temperature of heating plate probe 15 that contacts with heating plate, make heating plate 17 temperature rise to design temperature 70-75 ℃, when surpassing design temperature, the flow velocity that can change hot water by the frequency converter of adjusting water pump 22 makes hot water remain on design temperature, if the temperature adjustment of hot water exceeds the control range of frequency converter, can close the magnetic valve 4 and the water pump 22 that link to each other with following plate type heat exchanger 19, make it to be cooled to design temperature, with this temperature that keeps heating plate 17 in design temperature.This process can be by the computer whole-process automatic control.
Along with the carrying out of vacuum freeze drying, material temperature progressively rises, and when treating temperature of charge to 10-15 ℃, closes second operated pneumatic valve 2, closes refrigeration unit 5.
Adjust heating plate 17 temperature and reach 70-75 ℃, open the magnetic valve that links to each other with aseptic air filter 8, inject the aseptic compressed air of steam and impurity after filtration to Bulking tank 11, make Bulking tank 11 pressure recovery normal pressure.Open second operated pneumatic valve 7, make cold-trap 3 and Bulking tank 11 UNICOMs, utilize the pressure differential between two jars to carry out expanded.After carrying out 2-3 identical puffing process, close the magnetic valve and the water pump that link to each other with following plate type heat exchanger 19, open the band frequency-converter device water pump and the magnetic valve that link to each other with last plate type heat exchanger 21, to go up and feed frozen water in the plate type heat exchanger 21, after carrying out heat exchange with hot water in the circulation water pot 20, discharge through the warm water after last plate type heat exchanger 21 heat exchanges.Hot water in the circulation water pot 20 makes the heating plate in the Bulking tank 11 be cooled to 55-60 ℃ after last plate type heat exchanger 21 coolings.Close the magnetic valve of plate type heat exchanger 21, open the magnetic valve of plate type heat exchanger 19 down, keep the temperature of heating plate 17 at design temperature 55-60 ℃, the beginning process of vacuum drying, the vacuum drying time is 90-120min.Close down the magnetic valve of plate type heat exchanger 19, the magnetic valve of plate type heat exchanger 21 in the unlatching, cooling heating plate 17 temperature to 40 ℃, the solid type process of beginning humidity discharging, consistent with expanded operating process, number of repetition 5-6 time, this process shortens drying time greatly; Continue to cool to room temperature behind the solid type of humidity discharging, closing device is opened Bulking tank 11, divides grade packagedly, obtains the expanded crisp product of vacuum refrigeration.
Except the described technical characterictic of specification, be the known technology of those skilled in the art.
Claims (5)
1. vacuum refrigeration explosion puffing drying machine, it is characterized in that: comprise cold-trap, refrigeration unit, the vacuum unit, Bulking tank, plate type heat exchanger and circulation water pot, the two ends of described cold-trap link to each other with Bulking tank with the vacuum unit respectively, described refrigeration unit links to each other with cold-trap by condenser tube, described Bulking tank upper and lower is respectively arranged with water inlet pipe and outlet pipe, be provided with the circulation water pot between the water inlet pipe of described Bulking tank outside and the outlet pipe, be arranged in parallel between described circulation water pot and the water inlet pipe, following two plate type heat exchangers, on described, be respectively arranged with water pump between following two plate type heat exchangers and the circulation water pot, one end of described Bulking tank is provided with the Bulking tank door, be provided with the material pallet in the Bulking tank, the bottom of described Bulking tank is provided with aseptic air filter, be respectively arranged with first operated pneumatic valve and second operated pneumatic valve between described cold-trap and vacuum unit and the Bulking tank, between described refrigeration unit and the condenser tube, between Bulking tank and the aseptic air filter and the two ends of two plate type heat exchangers are respectively arranged with magnetic valve.
2. vacuum refrigeration explosion puffing drying machine according to claim 1, it is characterized in that: be provided with heating plate in the described Bulking tank, described heating plate comprises horizontal heating plate and vertical heating plate, described horizontal heating plate longitudinally heating plate evenly arranges, be symmetrically arranged with carriage respectively on vertical heating plate of described per two horizontal heating plate both sides, described material pallet is separately positioned on the carriage, and the upper and lower of described horizontal heating plate is connected with water inlet pipe and outlet pipe respectively.
3. vacuum refrigeration explosion puffing drying machine according to claim 2, it is characterized in that: be provided with temperature of heating plate probe and temperature of charge probe in the described Bulking tank, described temperature of heating plate probe and temperature of charge probe contact with horizontal heating plate and material pallet respectively.
4. vacuum refrigeration explosion puffing drying machine according to claim 1, it is characterized in that: described Bulking tank door is provided with peep hole.
5. vacuum refrigeration explosion puffing drying machine according to claim 1, it is characterized in that: described first operated pneumatic valve, second operated pneumatic valve and magnetic valve link to each other with control system respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201445516U CN203207136U (en) | 2013-03-27 | 2013-03-27 | Vacuum-freezing puffing dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201445516U CN203207136U (en) | 2013-03-27 | 2013-03-27 | Vacuum-freezing puffing dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203207136U true CN203207136U (en) | 2013-09-25 |
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ID=49196721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201445516U Expired - Fee Related CN203207136U (en) | 2013-03-27 | 2013-03-27 | Vacuum-freezing puffing dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203207136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104719789A (en) * | 2015-02-15 | 2015-06-24 | 江苏省农业科学院 | Rapid dehydration type pneumatic-puffing equipment |
| CN112425813A (en) * | 2020-11-15 | 2021-03-02 | 钦州市友朋医药咨询有限公司 | Fruit and vegetable puffing tank device |
-
2013
- 2013-03-27 CN CN2013201445516U patent/CN203207136U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104719789A (en) * | 2015-02-15 | 2015-06-24 | 江苏省农业科学院 | Rapid dehydration type pneumatic-puffing equipment |
| CN112425813A (en) * | 2020-11-15 | 2021-03-02 | 钦州市友朋医药咨询有限公司 | Fruit and vegetable puffing tank device |
| CN112425813B (en) * | 2020-11-15 | 2022-12-06 | 青海紫博凯生物制品有限公司 | Fruit and vegetable puffing tank device |
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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: 20130925 Termination date: 20170327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |