CN2760478Y - Ultra-low temperature vacuum freezing drier - Google Patents

Ultra-low temperature vacuum freezing drier Download PDF

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Publication number
CN2760478Y
CN2760478Y CN 200420057953 CN200420057953U CN2760478Y CN 2760478 Y CN2760478 Y CN 2760478Y CN 200420057953 CN200420057953 CN 200420057953 CN 200420057953 U CN200420057953 U CN 200420057953U CN 2760478 Y CN2760478 Y CN 2760478Y
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heat
low temperature
gain
casing
temperature vacuum
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CN 200420057953
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Chinese (zh)
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李远林
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Abstract

The utility model relates to an ultra-low temperature vacuum freezing drier, which comprises a box body (1), a refrigerating machine (19) and a control part, wherein a vacuum pump (2), a steam-water separator (4) and a water catching condensing machine (23) are arranged on the top part of the box body (1), and the refrigerating machine is arranged at the bottom; a refrigerating tube (22) and a plurality of heat-production tubes (24) are arranged among a liner (25), both sides of the box body and an outer shell on the top part; the refrigerating machine is an ultra low temperature refrigerating machine, and is composed of an electric cabinet (26) and a double-stage or multistage compression refrigerating unit; the refrigeration range of the refrigerating machine is within-0 to-80DEG. C; the refrigerating tube (22) is communicated with the compression refrigerating unit and a refrigerating tube (13), which forms a freeze-drying loop; the heat-production tubes (24) are communicated with a heat increasing container (15), a heat increasing pump (18) and a heat-production tube (12), which forms a heat increasing loop for removing frost and moisture in the box body. The utility model has the advantages of novel design, compact structure, convenient manufacture and popularization, less energy consumption, large output power, high practicability, etc.

Description

The ultra low temperature vacuum freeze drier
Technical field
The utility model is a kind of ultra low temperature vacuum freeze drier.
Background technology
Current dry technology is more, all belongs to more traditional dry technology as spray-drying, heated-air drying, air dry, roller drying, fluidized drying, common freeze drying, far-infrared ray drying etc.With these equipment and technology product processed, compare with the freeze-dried food that adopts the processing of ultra low temperature vacuum Freeze Drying Technique, have following major defect: the one, appearance poor, color and luster dimness, decolouring, sclerosis are more serious; The 2nd, in process,, cause its nutritional labeling generally only to keep about 45~50% owing to molecular structure, trace element are subjected to destruction in various degree, some is easily molten, Volatile Elements is lost totally already; The 3rd, although can make edible and its usefulness, mouthfeel is relatively poor.In addition, because poor product quality, the storage time is short, and utilization rate is also low thereupon, wastes also big.
At present, (belong to and claim active bio, plant process technology) because the ultra low temperature vacuum Freeze Drying Technique and also do not carry out in a large number, so to be difficult to see freeze-dried food on the market be active bio, vegetable products in China.Particularly aspect practical technique, domestic genus still is blank.There is the expert to prove abroad, freeze-dried food processing is a kind of best processing method that can obtain high quality food, freeze-dried food has been used for aerospace, army in world's minority developed country, and firm status is also established in aspects such as mountain-climbing, navigation, medical treatment in general among the people.I am since 9 years, and the exploratory development by more than ten years and consult relevant expert scholar is conscientiously put into practice, thereby obtained this key technology, and made the ultra low temperature vacuum freeze drier.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of ultra low temperature vacuum freeze drier is provided, and it can process active bio, vegetable products, to satisfy users' demand.
The technical scheme that the utility model adopted is as follows: comprise casing, refrigeration machine and control section.Described casing, its top are equipped with vavuum pump, steam-water separator and catch the water-setting cooler, and refrigeration machine is installed in its bottom, are provided with " U " shape refrigerator pipes and some between its inner bag and casing both sides and the top casing and heat pipe.Refrigeration machine is a ultra-low temperature refrigerating device, is made up of electric cabinet and twin-stage or multi-stage compression refrigerator group, and the refrigeration scope is at-0~-80 ℃.Refrigerator pipes is communicated with refrigerator pipes on compressor bank and the inner bag inwall, constitutes the freeze drying loop.Heat the pipe that heats of managing and be communicated with, constitute and remove the interior frost of casing and the gain of heat loop of moisture with on gain of heat container, gain of heat pump and the inner bag inwall.
Advantages such as the utility model is novel, and compact conformation is convenient to make and promote, and it is big, effective also to have the low power output of energy consumption, both artistic and practical.Simultaneously, Vacuum Freezing ﹠ Drying Technology of the present utility model can improve comprehensive utilization of energy, has the unrivaled advantage of other drying means, therefore will be at biology, vegetable products, medical article, aspects such as food industry are subjected to extensive use, special processing and the processing that adapts to pesticide pair soil bit product, as: light, the marine and aquatic product class, meat, the fruit and vegetable using class, Poultry and Eggs, the Chinese medicine class, the pulse family class, the potato class, various senior starch based, coffee, the tealeaves class, the seasoning matter class, spending surplus the beautifully adorned class etc. 2000 kind of product to process handles or multi-level deep processing, more adapt to the Chinese yam of China's Development and Production in recent years, the root of kudzu vine, konjaku, health care medicine-food two-purpose products such as fern root carry out high-level processing, cryogenic temperature freezing drying is to carry out at the three phase point pressure (700Pa) that is lower than water, the temperature that balances each other is low, temperature is also low during dry materials, all be under the state of vacuum refrigeration, so can keep the look of fresh article, fragrant, flavor, vitamin C, emblem amount essence and all nutrition are not suffered a loss, can guarantee original nutrition of these article fully, the organic compound trace elements, the contained hormone inducer of this type of plant particularly, the plain alcohol of spring amount, calcium, iron, elements such as zinc can both be complete remain, the material surface can not form the hard thin skin, can be because of the dry materials contraction distortion, various food with this technology processing are not only nutritious, mouthfeel is good, and unique flavor, be current and over the next several years to life, up-to-date science and technology is handled in plant processing, has development potentiality, exceed several times and tens times with this technology product processed than conventional equipment product processed price, be bound to be subjected to consumer's popular welcome international and domestic.
The utility model can process active bio, vegetable products, it has very large difference than traditional drying technology product processed, not only color and luster is tempting, unique flavor, mouthfeel is excellent, and original inherent quality molecular structure, nutritional labeling and trace element can both guarantee more than 95%, particularly holds the material of easy oxidation and is preserved fully, the storage time can reach more than 3 years, and insect-free never degenerating.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the rearview of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is that refrigeration machine 19 is the enlarged diagram of twin-stage compression refrigeration unit among Fig. 3.
Fig. 5 is the left view of Fig. 4.
The specific embodiment
The utility model is to improve on the basis of common ice and snow and come, and that its structure mainly comprises is freezing, vacuum, carbonated drink separation, heating, heat supply and control section.The stainless steel casing, iron and steel support and associated fasteners and connector, high-fidelity pressure-resistant seal door, the casing outside is provided with gain of heat container and defeated heat pump, and the fault alarm interlock can be monitored the working condition in the casing at any time.Defeated cold type pipe and heat pipe are arranged in the casing, material processing shelf, shelf can move up and down as required, makes material can reach best processing effect, shortens process time, the casing top is equipped with and is caught the big special cooler with fixed attention of water energy, even do not use vavuum pump also can reach extraordinary vacuum effectiveness, two ends, top packing vavuum pump and steam-water separator can keep the vacuum of casing to separate with carbonated drink at work, coagulate cooler and catch work such as water, can reach optimum efficiency.The casing lower curtate is equipped with the ultra-low temperature refrigerating device special and transformation of the way, adopt twin-stage and multi-stage refrigerating compressor assembly (cryogenic temperature-0~-80 ℃), the turnover raw material adopts the stepping hydraulic means, can shorten the time of input and output material and save manpower, the required power supply of equipment is 380V 50HZ, common electrical source of power, complete machine is reasonable in design, and layout is tightly played, operate steadily, energy consumption is low, noise is little, cost is low, and whole equipment can move as required at any time, and can continuous operation.
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing.
Structure of the present utility model such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4 comprise casing 1, refrigeration machine 19 and control section.Wherein: described casing 1, its top are equipped with vavuum pump 2, steam-water separator 4 and catch water-setting cooler 23, and refrigeration machine 19 is installed in its bottom, are provided with " U " shape refrigerator pipes 22 and some between its inner bag 25 and casing both sides and the top casing and heat pipe 24.Refrigeration machine 19 is ultra-low temperature refrigerating devices, is made up of electric cabinet 26 and twin-stage or multi-stage compression refrigerator group, and the refrigeration scope is at-0~-80 ℃.Refrigerator pipes 22 is communicated with refrigerator pipes 13 on compressor bank and inner bag 25 inwalls, constitutes the freeze drying loop.Heat pipe 24 and 12 is communicated with, constitute the interior frost of removal casing 1 and the gain of heat loop of moisture with the pipe that heats on gain of heat container 15, gain of heat pump 18 and inner bag 25 inwalls.
Be provided with 3 movable racks in the inner chamber of the inner bag 25 of casing 1, top is light material rack, and middle part and bottom rack are the heavy material rack.All rack adopts the stepping hydraulic means, for the flexible light and fast that moves, and shelf 11, chute 9 and pulley 10 has been installed, and is handled by the stepping hydraulic means, can move up and down, and material quality in the freeze drying process is consistent.Pulley 10 is movably connected with the bottom of shelf 11, and pulley 10 rolls on chute 9, fixedlys connected with the inwall of inner bag 25 in chute 9 two ends.
Above-mentioned twin-stage or multi-stage compression refrigerator group can form by special or the transformation of the way.The structure of twin-stage compression refrigeration unit such as Fig. 4, shown in Figure 5: it is to change a social system to form on the basis of existing compression refigerating machine, promptly having increased an auxiliary compressor is split-compressor 28, many one-level compressions, just in appearance changed, but the compression refigerating machine cryogenic temperature is lower after changing a social system, power output is big, and stability is good, and energy input is low.In like manner, increase one or more auxiliary compressor again on the right side of split-compressor 28 and promptly form the multi-stage compression refrigerator group; Other parts such as pipeline 27, a stage compressor 29 and the relation that links to each other with electric cabinet 26 are constant, and the auxiliary compressor that is increased is identical with the structure of an existing stage compressor 29, just turns installation.Electric cabinet 26 is that main frame is controlled automatically, protected and strong heat abstractor, can make main frame safe and reliable to operation.Twin-stage compression refrigeration unit is more effective than single stage compress refrigeration machine refrigeration, and the refrigeration scope can reach-0~-80 ℃, and defeated attendance rate is stable, also can reequip as required simultaneously and use two kinds of cold-producing mediums of ammonia fluorine.Cold-producing medium passes through behind the expansion valve because pressure, descend rapidly and evaporate and become gas, meanwhile, absorb heat evaporimeter surrounding space temperature is reduced, refrigerant gas after the evaporation is compressed by compressor, recompression makes it that pressure raises and produces the refrigerant gas of heat after by second-compressed to become the heat of liquid refrigerant in this process again taken away by the water and air that coagulates in the cooler after the condenser cooling, and cold-producing medium is just finished a freeze cycle in system.Carrying out energy spectrometer twin-stage compression refigerating machine power output by practice exceeds more than one times than the single stage compress refrigeration machine, and institute power consumption source is only approximately greater than 25% of single stage compress refrigeration machine, not only the big coefficient of power output is stable for the twin-stage compression refigerating machine by contrast, and energy savings can guarantee designing requirement simultaneously fully.
Be installed in the vavuum pump 2 at casing 1 top, play the key effect of finding time, the quantity of the size of tank-volumes decision vavuum pump, general available one or more.After material is placed shelf 11, shut pressure-resistant seal door 21, start refrigeration machine, at this moment can begin to find time, reach high-purity vacuum in the short period of time in the casing, material carries out freeze drying under vacuum state.Owing to be to carry out freeze drying under vacuum, so can keep the look shape flavor of material constant, not oxidation is thin skin etc. not.
No matter the volume size of casing 1 has one or two steam-water separators 4 to get final product.Steam-water separator is one of critical component of complete machine and freeze drying quality of material quality.When freezing beginning, distillation, coagulate cooler 23 and catch the water supervisor and carry out, because the evaporation of moisture in the material, form vaporific in the casing easily, be difficult to be discharged by a certain equipment, at this moment steam-water separator is employed its peculiar function and is carried out the carbonated drink mask work, discharges the steam in the casing, make to keep no steam state in the case, make the freeze drying of carrying out that material can be intact.
Be provided with the support 7 that is attached thereto in the bottom of casing 1 shell, this support can be made by metals such as steel, is open type all around.Support 7 is divided into two parts: a part is installed compression refrigeration unit and control section equipment, and a part is installed gain of heat container 15 and gain of heat pump 18.Because bottom bracket has adopted open type, equipment is in the better condition of ventilation and heat, also is convenient to safeguard and maintenance, from seeing in appearance just as a small-sized TEU (Twenty-foot Equivalent Unit).
Above-mentioned gain of heat container 15 is provided with it the gain of heat liquid seperating vale 17 that is communicated with, and this gain of heat container is provided with the two-layer up and down of connection, and the upper strata is a hydrothermal solution, and lower floor is cold liquid, and hot cold liquid identifier is housed.Gain of heat pump 18 interacts with gain of heat container 15, with the cold and hot liquid of needs by with casing 1 in the pipeline that is connected, pump is given the gain of heat circulatory system, makes it flat temperature, gain of heat temperature is+1~60 ℃, guarantees that at any time the interior sublimation temperature of casing reaches ideal effect.Sequence number 16 is lids of gain of heat container 15.
Casing 1 is provided with pressure-resistant seal door 21, and the two is linked to each other by load-carrying loose-leaf 8.The anticorrosion acid-resistant stainless steel plate of pressure-resistant seal door 21 usefulness is welded, and form 3 is left in the middle top of door, can see the working condition of looking in the case at any time.The operation control panel 6 of whole equipment has been installed on pressure-resistant seal door 21 shop fronts; it comprises the battery main switch (automatic air-break switch) that is positioned at the bottom-right use of plate face 380V 50HZ common power; and the start button of various device, stop botton; the indicator lamp of various functions and display; for example: normal running indicator; lamp is finished in work; trouble lamp and alarm and autostop dress administration; but heat cold liquid optic cup (liquid level meter); these facilities flexible cord flexible pipe rolls into various device in the special-purpose wire casing connect box of one after with pressure gate with anticorrosion acidproof foreskin again.Anticorrosion acidproof, pressure-resistant rubber packing ring 20 is equipped with in pressure-resistant seal door 21 inboards, and door is upper right, the bottom can be equipped with set lever 5 and pressure-reducing valve, and whole door is opened and made things convenient for good seal performance.The screw rod of handle 5 links to each other with the sidewall thread of the inner bag 25 of casing 1.Between casing 1 inboard and inner bag 25, be equipped with the polyurethane insulation material of 70mm thickness, form thermal insulation layer 14.
Casing 1 of the present utility model and inner bag 25 can be made by anticorrosion acidproof stainless steel material.
Brief description is this machine course of work once.
Earlier the material of getting ready (processing article) is placed on the shelf 11 in the casing 1, shut pressure-resistant seal door 21, by at first programmed working procedure starting device, the precooling of equipment meeting follow procedure is cold by force, and distillation vacuumizes, heating evaporation moisture etc.Owing to imported working procedure, equipment is follow procedure work operation automatically not only, also can write down various operational datas simultaneously, as break down, and can trigger warning system and control interlocking gear by interlock, can avoid the operate miss equipment fault, sustains a loss.The space that the processing article are promptly given birth to, plant moisture exists, remains unchanged by after freezing substantially at moisture, so after the drying, give birth to, the vegetable products structural form can not become yet, article have extraordinary nerve after by processing, so can add the water recovery.Article have been removed 99% moisture after by freeze drying, and article can long preservation and undergo no deterioration.Reduce that shape is constant, matter is constant, the protoplasm original flavor, former nutritious becoming guarantees to have alleviated weight more than 98%, prolonged the storage time, is convenient to transportation.

Claims (8)

1. ultra low temperature vacuum freeze drier, comprise casing (1), refrigeration machine (19) and control section, it is characterized in that described casing (1), its top is equipped with vavuum pump (2), steam-water separator (4) and is caught water-setting cooler (23), refrigeration machine (19) is installed in its bottom, is provided with " U " shape refrigerator pipes (22) and some between its inner bag (25) and casing both sides and the top casing and heats pipe (24); Refrigeration machine (19) is a ultra-low temperature refrigerating device, is made up of electric cabinet (26) and twin-stage or multi-stage compression refrigerator group, and the refrigeration scope is at-0~-80 ℃; Refrigerator pipes (22) is communicated with refrigerator pipes (13) on compressor bank and inner bag (25) inwall, constitutes the freeze drying loop; Heat pipe (24) and be communicated with, constitute the frost removed in the casing (1) and the gain of heat loop of moisture with the pipe (12) that heats on gain of heat container (15), gain of heat pump (18) and inner bag (25) inwall.
2. ultra low temperature vacuum freeze drier according to claim 1 is characterized in that being provided with 3 movable racks in the inner chamber of inner bag (25), top is light material rack, and middle part and bottom rack are the heavy material rack.
3. ultra low temperature vacuum freeze drier according to claim 2, it is characterized in that each movable rack is made up of chute (9) and the shelf (11) that has pulley (10), pulley (10) rolls with chute (9) and is connected, and fixedlys connected with the inwall of inner bag (25) in chute (9) two ends.
4. ultra low temperature vacuum freeze drier according to claim 1, it is characterized in that being provided with the support (7) that is attached thereto in the bottom of casing (1) shell, this support is divided into two parts, a part is installed the equipment of compression refrigeration unit and control section, and a part is installed gain of heat container (15) and gain of heat pump (18).
5. according to claim 1 or 4 described ultra low temperature vacuum freeze driers, it is characterized in that gain of heat container (15) is provided with it the gain of heat liquid seperating vale (17) that is communicated with, and this gain of heat container is provided with the two-layer up and down of connection, the upper strata is a hydrothermal solution, lower floor is cold liquid, and hot cold liquid identifier is housed.
6. ultra low temperature vacuum freeze drier according to claim 1 is characterized in that the gain of heat temperature in gain of heat loop is+1~60 ℃.
7. ultra low temperature vacuum freeze drier according to claim 1 is characterized in that being provided with form (3) and operation control panel (6) on the pressure-resistant seal door (21) of casing (1).
8. ultra low temperature vacuum freeze drier according to claim 7 is characterized in that in the top and the bottom of pressure-resistant seal door (21) set lever (5) being arranged respectively, and its screw rod links to each other with the sidewall thread of the inner bag (25) of casing (1).
CN 200420057953 2004-12-24 2004-12-24 Ultra-low temperature vacuum freezing drier Expired - Fee Related CN2760478Y (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101126593B (en) * 2006-08-18 2010-11-03 发泰(天津)科技有限公司 Supersonic freeze drying method and apparatus
CN103411390A (en) * 2013-07-18 2013-11-27 上海海洋大学 Ice-temperature vacuum drying device and ice-temperature vacuum drying method of fresh fish fillets
CN105918770A (en) * 2016-05-09 2016-09-07 顺德职业技术学院 Energy-saving control method for jet enthalpy gain heat pump vacuum freeze drying unit equipment with economizer
CN105962005A (en) * 2016-05-09 2016-09-28 顺德职业技术学院 Energy-saving control method of twin-stage compression type heat pump vacuum freeze drying combined device
CN108208528A (en) * 2017-12-15 2018-06-29 安徽恋尚你食品有限公司 A kind of food processing freeze-drier and application method
CN109974401A (en) * 2019-04-22 2019-07-05 东北大学 A kind of vacuum oven
CN112005069A (en) * 2018-04-10 2020-11-27 Ima生命北美股份有限公司 Freeze drying process and equipment health monitoring

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101126593B (en) * 2006-08-18 2010-11-03 发泰(天津)科技有限公司 Supersonic freeze drying method and apparatus
CN103411390A (en) * 2013-07-18 2013-11-27 上海海洋大学 Ice-temperature vacuum drying device and ice-temperature vacuum drying method of fresh fish fillets
CN103411390B (en) * 2013-07-18 2015-09-02 上海海洋大学 A kind of ice temperature Minton dryer and the vacuum drying method of fresh fish fillet ice temperature
CN105918770A (en) * 2016-05-09 2016-09-07 顺德职业技术学院 Energy-saving control method for jet enthalpy gain heat pump vacuum freeze drying unit equipment with economizer
CN105962005A (en) * 2016-05-09 2016-09-28 顺德职业技术学院 Energy-saving control method of twin-stage compression type heat pump vacuum freeze drying combined device
CN105918770B (en) * 2016-05-09 2019-12-13 顺德职业技术学院 energy-saving control method for enhanced vapor injection heat pump vacuum freeze drying combined equipment with economizer
CN105962005B (en) * 2016-05-09 2019-12-27 顺德职业技术学院 Energy-saving control method for two-stage compression type heat pump vacuum freeze drying combined equipment
CN108208528A (en) * 2017-12-15 2018-06-29 安徽恋尚你食品有限公司 A kind of food processing freeze-drier and application method
CN112005069A (en) * 2018-04-10 2020-11-27 Ima生命北美股份有限公司 Freeze drying process and equipment health monitoring
US11359861B2 (en) 2018-04-10 2022-06-14 Ima Life North America Inc. Freeze drying process and equipment health monitoring
CN109974401A (en) * 2019-04-22 2019-07-05 东北大学 A kind of vacuum oven

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Granted publication date: 20060222

Termination date: 20131224