CN205482051U - Compound frozen machine of large -scale tunnel type compressor liquid nitrogen - Google Patents
Compound frozen machine of large -scale tunnel type compressor liquid nitrogen Download PDFInfo
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- CN205482051U CN205482051U CN201620265362.8U CN201620265362U CN205482051U CN 205482051 U CN205482051 U CN 205482051U CN 201620265362 U CN201620265362 U CN 201620265362U CN 205482051 U CN205482051 U CN 205482051U
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- liquid nitrogen
- lower groove
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- tunnel type
- upper cover
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Abstract
The utility model belongs to the technical field of food quick frozen, concretely relates to compound frozen machine of large -scale tunnel type compressor liquid nitrogen, cell body, cross -section are last lid, the compressor refrigerating unit of U -shaped structure under including, lower cell body on be equipped with the conveyer belt, go up the lid lid in the conveyer belt top, go up the lid and form the tunnel type structure with cell body down, the anterior segment of tunnel type structure, middle section, back period number put and are equipped with fan and axial fan, the well period number of tunnel type structure puts and still is equipped with liquid nitrogen dispersion sprayer, two sections still are equipped with multilayer finned evaporator around the tunnel type structure, and the tunnel type structure around two sections all be connected with compressor refrigerating unit, lower cell body and last lid between still be equipped with elevating system, still be equipped with intelligence control system on the lower cell body. The utility model discloses can realize higher refrigeration speed and lower refrigeration cost, and the ice crystal of quick -freeze is tiny, the cell wall of vegetables and fruits class food can not pricked during the quick -freeze.
Description
Technical field
This utility model belongs to fast food freezing technical field, is specifically related to a kind of large tunnel formula compressor liquid nitrogen and is combined instant freezer.
Background technology
On market, existing quick-freezer for food mainly has two kinds of refrigeration modes, and one is to use compressor cooling unit to freeze, and two is to use liquid nitrogen refrigerating, and wherein the feature of compressor cooling unit is that equipment volume is big, quick-freezing low cost, but refrigerating speed is slow, drying loss is high；The feature of liquid nitrogen refrigerating instant freezer is that equipment volume is simplified, refrigerating speed is exceedingly fast, drying loss is low, but two or three times of refrigeration cost compressor cooling to be exceeded, refrigerating speed and refrigeration cost are seriously to restrict fast food freezing industry application and two major reasons of industry quality.
Summary of the invention
The drawback that refrigerating speed is slow or refrigeration cost is high is there is in this utility model for two kinds of refrigeration modes that quick-freezer for food in prior art uses, a kind of large tunnel formula compressor liquid nitrogen is provided to be combined instant freezer, this device forms tunnel structure by lower groove with upper cover body, before and after tunnel structure, two sections are all connected with compressor cooling unit, the stage casing of tunnel structure is provided with liquid nitrogen dispersing ejector, i.e. two sections of employing compressor cooling patterns before and after tunnel structure, the stage casing of tunnel structure uses liquid nitrogen spray refrigeration mode, both of which hybrid refrigeration can realize higher refrigerating speed and relatively low refrigeration cost.
nullGoal of the invention of the present utility model is achieved through the following technical solutions: a kind of large tunnel formula compressor liquid nitrogen is combined instant freezer，Including lower groove、Cross section is the upper cover body of U-shaped structure、Compressor cooling unit，Described lower groove is provided with conveyer belt，Upper cover body lid side on the conveyor belt，Upper cover body forms tunnel structure with lower groove，The leading portion of tunnel structure、Stage casing、Rear fragment position is designed with blower fan and aerofoil fan，The middle section position of tunnel structure is additionally provided with liquid nitrogen dispersing ejector，As long as liquid nitrogen dispersing ejector can realize liquid nitrogen toward the equipment of injection in tunnel structure，Liquid nitrogen dispersing ejector can be made up of a liquid nitrogen accumulator tank and a pipeline with shower nozzle，Before and after tunnel structure, two sections are additionally provided with multilamellar finned evaporator，And before and after tunnel structure two sections be all connected with compressor cooling unit；Being additionally provided with elevating mechanism between described lower groove and upper cover body, lower groove is additionally provided with intelligence control system, intelligence control system is made up of touch screen, PLC module, converter, frequency conversion motor, A.C. contactor, relay and temperature sensor.
As preferably, in described lower groove, it is provided with polyurethane foamed thermal-insulating layer.The both sides of polyurethane foamed thermal-insulating layer all stainless steel welded form with 304, the i.e. structure of lower groove is followed successively by 304 rustless steels, polyurethane foamed thermal-insulating layer, 304 rustless steels from outside to inside, middle polyurethane foamed thermal-insulating layer plays the effect of heat-insulation and heat-preservation, when this utility model carries out quick-freezing to food, there is polyurethane foamed thermal-insulating layer that quick-freezing effect can be made more preferable, and more energy efficient.
As preferably, in described upper cover body, it is provided with polyurethane foamed thermal-insulating layer.Upper cover body structure from outside to inside is also followed successively by 304 rustless steels, polyurethane foamed thermal-insulating layer, 304 rustless steels.
As preferably, the thickness of described polyurethane foamed thermal-insulating layer is 150 ~ 200mm.Through test of many times, the thickness of polyurethane foamed thermal-insulating layer heat insulation effect in this range reaches standard, is occupied the least with volume, and thickness is the least, and to be easily caused heat insulation effect bad, and thickness too conference causes this utility model volume to increase.
As preferably, described elevating mechanism includes that reducing motor, expansion link, shaft coupling, power transmission shaft, gyrator form, and the upper end of telescopic rod is connected to upper cover body, and the lower end of telescopic rod is connected to lower groove.Elevating mechanism can regulate the distance between lower groove and upper cover body, and lower groove can be separated 500-800mm with upper cover body by regulation elevating mechanism, in order to is carried out this utility model, safeguards, maintains.
As preferably, bottom described lower groove, it is provided with some spikes.Propping up spike can be by lower groove and surface separation, and when utility model works, reduction surface temperature, on impact of the present utility model, is also avoided that simultaneously and treats that quick frozen food is polluted by ground pollution thing, relatively sanitary.
As preferably, compressor cooling unit uses compression refigerating machine general on market, and compressor cooling unit is made up of compressor, vaporizer, reservoir, expansion valve, separator, expansion valve etc., additionally arranges liquid nitrogen electromagnetic valve, liquid nitrogen pipes and interface.This utility model all connections pipeline is required to carry out isothermal holding, uses vacuum tube or polyurethane foamed thermal-insulating to process, to reduce liquid nitrogen or coolant loss.
Compared with prior art, this utility model has the advantages that fast food freezing is generally divided into three phases: one, from room temperature to 0 DEG C, two, from 0 DEG C to-5 DEG C, three, from-5 DEG C to-18 DEG C. wherein core be second stage must rapid cooling from the maximum ice crystals growth band of 0 DEG C to-5 DEG C, ice-crystal growth band within 10CM preferably passed through within 30 minutes, the ice-crystal growth band of 10-20CM preferably passed through in 1 hour, and ice crystal just can be tiny, and the cell wall of vegetables and fruits based food will not be punctured.The rate of cooling of first stage and second stage is but without the requirement of fast-refrigerating.This utility model uses the refrigeration modes that compressor cooling pattern combines with liquid nitrogen refrigerating pattern, leading portion at tunnel structure uses compressor cooling pattern, use liquid nitrogen refrigerating pattern to carry out quick freezing in the stage casing of tunnel structure, back segment at tunnel structure uses compression refrigeration mode to continue follow-up quick-freezing, until whole quick-freezing completes.Under equal fast food freezing amount, this utility model is due to the existence in middle liquid nitrogen flash freezer district, this utility model possesses than pure compressor quick-freezing line more preferable quick-freezing effect, less size, lower purchase cost, freeze simultaneously because only the maximum ice crystals growth carried out in tunnel structure stage casing is brought into scanning frequency with liquid nitrogen, and before and after tunnel structure two sections with compressor pre-cooling and continuous cold, save the liquid nitrogen cost about half.
In sum, this utility model can realize higher refrigerating speed and relatively low refrigeration cost, and the ice crystal of quick-freezing is tiny, and the cell wall of quick-freezing seasonal vegetable fruit food will not be punctured.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Labelling in figure: 1, lower groove, 2, upper cover body, 3, compressor cooling unit, 4, conveyer belt, 5, blower fan and aerofoil fan, 6, liquid nitrogen dispersing ejector, 7, multilamellar finned evaporator, 8, elevating mechanism, 9, intelligence control system, 10, polyurethane foamed thermal-insulating layer, 11, reducing motor, 12, expansion link, 13, shaft coupling, 14, power transmission shaft, 15, gyrator, 16, a spike.
Detailed description of the invention
This utility model is further described by embodiment represented below in conjunction with the accompanying drawings:
Embodiment 1
As shown in Figure 1, a kind of large tunnel formula compressor liquid nitrogen is combined instant freezer, including lower groove 1, cross section is the upper cover body 2 of U-shaped structure, compressor cooling unit 3, described lower groove 1 is provided with conveyer belt 4, upper cover body 2 is covered above conveyer belt 4, upper cover body 2 and lower groove 1 form tunnel structure, the leading portion of tunnel structure, stage casing, rear fragment position is designed with blower fan and aerofoil fan 5, the middle section position of tunnel structure is additionally provided with liquid nitrogen dispersing ejector 6, before and after tunnel structure, two sections are additionally provided with multilamellar finned evaporator 7, and before and after tunnel structure two sections be all connected with compressor cooling unit 3；It is additionally provided with elevating mechanism 8 between described lower groove 1 and upper cover body 2, lower groove 1 is additionally provided with intelligence control system 9.Described compressor cooling unit 3 uses compression refigerating machine general on market, and this utility model all connections pipeline is required to carry out isothermal holding, uses vacuum tube or polyurethane foamed thermal-insulating to process, to reduce liquid nitrogen or coolant loss.
It is provided with polyurethane foamed thermal-insulating layer 10 in described lower groove 1.The both sides of polyurethane foamed thermal-insulating layer 10 all stainless steel welded form with 304, i.e. the structure of lower groove 1 is followed successively by 304 rustless steels, polyurethane foamed thermal-insulating layer 10,304 rustless steel from outside to inside；Also being provided with polyurethane foamed thermal-insulating layer 10 in described upper cover body 2, upper cover body 2 structure from outside to inside is also followed successively by 304 rustless steels, polyurethane foamed thermal-insulating layer 10,304 rustless steel.The thickness of described polyurethane foamed thermal-insulating layer 10 is 180mm.Polyurethane foamed thermal-insulating layer 10 plays the effect of heat-insulation and heat-preservation, when this utility model carries out quick-freezing to food, has polyurethane foamed thermal-insulating layer 10 that quick-freezing effect can be made more preferable, and more energy efficient.
Described elevating mechanism 8 includes that reducing motor 11, expansion link 12, shaft coupling 13, power transmission shaft 14, gyrator 15 form, and the upper end of telescopic rod 12 is connected to upper cover body 2, and the lower end of telescopic rod 12 is connected to lower groove 1.Lower groove 1 can be separated by elevating mechanism 8 with upper cover body 2, in order to is carried out this utility model, safeguards, maintains.A spike 16 it is provided with bottom described lower groove 1.Propping up spike 16 can be by lower groove 1 and surface separation, and when utility model works, reduction surface temperature, on impact of the present utility model, is also avoided that simultaneously and treats that quick frozen food is polluted by ground pollution thing, relatively sanitary.
Specific embodiment described in literary composition is only to this utility model spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (6)
1. a large tunnel formula compressor liquid nitrogen is combined instant freezer, including lower groove (1), cross section is the upper cover body (2) of U-shaped structure, compressor cooling unit (3), it is characterized in that, described lower groove is provided with conveyer belt (4), upper cover body lid side on the conveyor belt, upper cover body forms tunnel structure with lower groove, the leading portion of tunnel structure, stage casing, rear fragment position is designed with blower fan and aerofoil fan (5), the middle section position of tunnel structure is additionally provided with liquid nitrogen dispersing ejector (6), before and after tunnel structure, two sections are additionally provided with multilamellar finned evaporator (7), and before and after tunnel structure two sections be all connected with compressor cooling unit；It is additionally provided with elevating mechanism (8) between described lower groove and upper cover body, lower groove is additionally provided with intelligence control system (9).
Large tunnel formula compressor liquid nitrogen the most according to claim 1 is combined instant freezer, it is characterised in that be provided with polyurethane foamed thermal-insulating layer (10) in described lower groove.
Large tunnel formula compressor liquid nitrogen the most according to claim 1 is combined instant freezer, it is characterised in that be provided with polyurethane foamed thermal-insulating layer in described upper cover body.
4. it is combined instant freezer according to the large tunnel formula compressor liquid nitrogen described in Claims 2 or 3, it is characterised in that the thickness of described polyurethane foamed thermal-insulating layer is 150 ~ 200mm.
Large tunnel formula compressor liquid nitrogen the most according to claim 1 is combined instant freezer, it is characterized in that, described elevating mechanism includes that reducing motor (11), expansion link (12), shaft coupling (13), power transmission shaft (14), gyrator (15) form, the upper end of telescopic rod is connected to upper cover body, and the lower end of telescopic rod is connected to lower groove.
Large tunnel formula compressor liquid nitrogen the most according to claim 1 is combined instant freezer, it is characterised in that be provided with some spikes (16) bottom described lower groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265362.8U CN205482051U (en) | 2016-04-01 | 2016-04-01 | Compound frozen machine of large -scale tunnel type compressor liquid nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265362.8U CN205482051U (en) | 2016-04-01 | 2016-04-01 | Compound frozen machine of large -scale tunnel type compressor liquid nitrogen |
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| CN205482051U true CN205482051U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620265362.8U Active CN205482051U (en) | 2016-04-01 | 2016-04-01 | Compound frozen machine of large -scale tunnel type compressor liquid nitrogen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028712A (en) * | 2018-06-25 | 2018-12-18 | 余姚市联海实业有限公司 | A kind of high efficient cryogenic instant freezer and the shrimp products quick forzen processing technology using it |
| CN109393007A (en) * | 2018-12-07 | 2019-03-01 | 科威嘉尼（江苏）制冷设备有限公司 | A kind of intellectual liquid nitrogen flash freezer tunnel structure applied to seafood |
| CN109619164A (en) * | 2018-12-07 | 2019-04-16 | 科威嘉尼（江苏）制冷设备有限公司 | A kind of Double-layer intelligent formula liquid nitrogen flash freezer tunnel structure applied to meat products |
-
2016
- 2016-04-01 CN CN201620265362.8U patent/CN205482051U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028712A (en) * | 2018-06-25 | 2018-12-18 | 余姚市联海实业有限公司 | A kind of high efficient cryogenic instant freezer and the shrimp products quick forzen processing technology using it |
| CN109393007A (en) * | 2018-12-07 | 2019-03-01 | 科威嘉尼（江苏）制冷设备有限公司 | A kind of intellectual liquid nitrogen flash freezer tunnel structure applied to seafood |
| CN109619164A (en) * | 2018-12-07 | 2019-04-16 | 科威嘉尼（江苏）制冷设备有限公司 | A kind of Double-layer intelligent formula liquid nitrogen flash freezer tunnel structure applied to meat products |
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