CN109990543A - A kind of quick-freezing fresh-keeping method and tunnel type fresh keeping refrigerator - Google Patents
A kind of quick-freezing fresh-keeping method and tunnel type fresh keeping refrigerator Download PDFInfo
- Publication number
- CN109990543A CN109990543A CN201910396518.4A CN201910396518A CN109990543A CN 109990543 A CN109990543 A CN 109990543A CN 201910396518 A CN201910396518 A CN 201910396518A CN 109990543 A CN109990543 A CN 109990543A
- Authority
- CN
- China
- Prior art keywords
- liquid nitrogen
- fresh
- library
- foraminous conveyer
- evaporator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D13/00—Stationary devices, e.g. cold-rooms
- F25D13/06—Stationary devices, e.g. cold-rooms with conveyors carrying articles to be cooled through the cooling space
- F25D13/062—Stationary devices, e.g. cold-rooms with conveyors carrying articles to be cooled through the cooling space with refrigerated conveyors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D16/00—Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with refrigerating machinery
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
- F25D3/11—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air with conveyors carrying articles to be cooled through the cooling space
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of quick-freezing fresh-keeping method and tunnel type fresh keeping refrigerators, including fixed frame, drive roller shaft and equipped with the library of foraminous conveyer, the library is arranged on fixed frame, it is equipped in the library and locks fresh room, freezing chamber, fresh room is mutually linked with freezing chamber, it locks fresh interior and is equipped with liquid nitrogen spraying device, liquid nitrogen spraying device is equipped with multiple atomizers；Air cooling equipment is equipped in freezing chamber；The library is equipped with the regulator control system being electrically connected between liquid nitrogen spraying device and air cooling equipment, and the library both ends are equipped with feed inlet and discharge port.The present invention is effectively combined using mechanical compression refrigeration with liquid nitrogen refrigerating; it first passes through spray liquid nitrogen and forms the freshness that frost protective layer protects material moisture not to be lost guarantee material in surface of material; the freezing of depth is carried out using mechanical compression refrigeration afterwards; it avoids air-cooled being dehydrated surface of material because directlying adopt; guarantee the freshness and mouthfeel of material, while having the effect of that lock is fresh fresh-keeping, according to the parameter set; fully automatic operation reduces energy consumption.
Description
Technical field
The present invention relates to a kind of instant freezer more particularly to a kind of quick-freezing fresh-keeping sides for being mainly used for the foodstuffs such as vegetable and fruit
Method and tunnel type fresh keeping refrigerator.
Background technique
Instant freezer is a kind of for being used for the device of fast food freezing in food-processing industry, is had in food-processing industry
It is widely applied, quick-freezer for food refrigeration modes in the prior art mainly have mechanical compressor refrigeration and liquid nitrogen refrigerating, mostly
Using conventional mechanical compression refrigeration mode, this mode is that cold air is blowed to material by blower, reaches freezing for several producers
Effect, and use the cooling time of this refrigeration modes longer, increase the consumption of the energy, blow in refrigeration since wind is lasting
Make the moisture loss of food surface more to food, surface of material is easy to cause to be dehydrated, so that the freshness and mouth of food
Feel big heavy discount.The especially some pairs of freshness such as vegetable and fruit meat and the more demanding food of mouthfeel, in order to obtain very well
Quick-frozen effect, reduce food water scatter and disappear, occur replacing traditional refrigeration system come fast with liquid nitrogen on the market now
Jelly food quickly can form frost in foodstuff surface and lock moisture, effectively based on -196 DEG C of liquid nitrogen of extremely low temperature characteristics
It protects foodstuff surface not to be dehydrated, guarantees the freshness and mouthfeel of food, this is that the cold instant freezer of traditional instruments system compression can not
The moisture lost due to comparing, while the high wind needed for the freezing of tradition machinery formula can also be reduced, but using liquid nitrogen flash freezer
When, is carried out due to all using liquid nitrogen quick-frozen, and the consumption for allowing for liquid nitrogen in this way is very big, causes the increase of cost.With
Upper two kinds of most common quick-frozen modes of instant freezer have respective advantage and disadvantage, so that the optimization for affecting client is used.
Summary of the invention
In view of the problems of the existing technology, the invention proposes a kind of quick-freezing fresh-keeping method and tunnel type are fresh-keeping quick-frozen
Machine is effectively combined tradition machinery compression refrigeration modes with liquid nitrogen refrigerating mode, first in food by way of spraying liquid nitrogen
Surface forms the freshness that one layer of frost protective layer keeps food, and the freezing of depth is then carried out using mechanical compression refrigeration,
Avoid because directly adopt it is air-cooled be dehydrated foodstuff surface, guarantee the freshness and mouthfeel of food, while there is the fresh fresh-keeping effect of lock
Fruit.
To achieve the above object, technical solution provided by the invention is as follows: a kind of tunnel type fresh keeping refrigerator, including fixation
Frame, drive roller shaft and the library equipped with foraminous conveyer, the library both ends are equipped with the feed inlet passed through for foraminous conveyer and discharging
Mouthful, the library is arranged on fixed frame, is equipped in the library and locks fresh room, freezing chamber, and the fresh room of lock is arranged in freezing chamber
Front end and be mutually linked with freezing chamber, the lock it is fresh it is indoor be equipped with liquid nitrogen spraying device, the liquid nitrogen spraying device is equipped with more
A atomizer；Air cooling equipment is equipped in the freezing chamber；The library be equipped with liquid nitrogen spraying device and air cooling equipment it
Between the regulator control system that is electrically connected.
Improved as of the invention further, the regulator control system include liquid nitrogen delivery pipe, controller, temperature sensor and
Position sensor, the liquid nitrogen delivery pipe, which extends to outside the library, is connected to liquid nitrogen tank, and the liquid nitrogen delivery pipe is connected to described
Liquid nitrogen spraying device, the liquid nitrogen spraying device are fixed on the top locked and correspond to foraminous conveyer inside fresh case by fixed link,
The junction of the spray equipment and liquid nitrogen delivery pipe is provided with solenoid valve；The temperature sensor is uniform along foraminous conveyer length
It is distributed in the fresh room of lock and freezing chamber, the side of each temperature sensor, the temperature is arranged in the position sensor
Sensor, position sensor and solenoid valve are electrically connected with the controller.Regulator control system utilizes position sensor, temperature sensing
Device etc. can the global cryogenic temperature for controlling entire instant freezer, detect that material instant freezer on foraminous conveyer starts regular employee
Make, liquid nitrogen can be uniformly sprayed at surface of material by liquid nitrogen spraying device, can be fast in surface of material using the characteristic of liquid nitrogen
Speed forms frost, and the intracorporal moisture of protection material is not lost.
Preferably, the atomizer upper end is equipped with pipeline to guarantee that atomizer has good spray effect
Connector, inside are equipped with the spiral trunk through-hole connecting with piping connection mouth, and lower end is equipped with fumarole, and the fumarole is connected with
Matched branch through-hole, the other end of the branch through-hole are connected on the end of the spiral trunk through-hole.
Further, the air cooling equipment includes multiple groups evaporator, and the evaporator is equipped with blower and refrigerant interface, institute
It states refrigerant interface and extends to outside household freezer and connect refrigeration equipment, the evaporator is fixed by the bracket above foraminous conveyer, is steamed
Hair device upper end is connected and fixed by fixed link and household freezer, and the evaporator top is equipped with sealing plate, and the evaporator is right downwards
It answers foraminous conveyer to be equipped with air outlet, is equipped with flow distribution plate at the air outlet, evaporator corresponds to foraminous conveyer length direction side and sets
There is a pair of of blower, the other side is equipped with the wind deflector connecting with sealing plate, and the blower on adjacent vaporizers is oppositely arranged, and blower
Blowing direction is towards corresponding evaporator.Evaporator uses mechanical compression refrigeration mode, is continued low-temperature cold wind not by blower
Disconnected blows to material, and the freezing of depth can be preferably carried out to material, is further ensured that the quick-frozen quality of food.
Preferably, in order to can it is more intuitive embody instant freezer internal temperature display, regulator control system further includes being used for
Show the man-machine interface of each temperature sensor detection temperature.
Preferably, in order to make the comprehensive circulation of cold wind that the library is freezed and guaranteed to material with good
Heat insulating ability, the library material add two-sided stainless steel plate using high-quality polyurethane foaming, are equipped in the library multiple towards defeated
Send mesh belt curved deflector.
Further, in order to guarantee instant freezer to the reliability of material transportation, the drive roller shaft can be rotated around the axis
The both ends of the fixed frame are connected to, the foraminous conveyer tensioning is connected in drive roller shaft, if being equipped between the live-roller
Dry roll shaft, foraminous conveyer provide power by synchronous driving motor.
Quick-freezing fresh-keeping method based on a kind of above-mentioned tunnel type fresh keeping refrigerator the following steps are included:
One stage: liquid nitrogen pre-freeze locks the fresh stage, and the cleaned material to be frozen drained is placed in the defeated of feed inlet front end first
Send on mesh belt, material be sent by foraminous conveyer and locks fresh room, lock fresh room front end setting position sensor detected material into
Enter after locking fresh room, signal is fed back into controller, controller issues instruction unpack liquid nitrogen valve to solenoid valve, and liquid nitrogen is through liquid nitrogen mist
Change spray head and be uniformly sprayed on the fresh interior of lock, liquid nitrogen can quickly form one layer of frost in surface of material, lock material internal moisture；
Two-stage: in the air-cooled depth quick-frozen stage, material is after locking fresh room manufacturing procedure, as foraminous conveyer enters freezing
There is evaporator in room in freezing chamber, and the blower being arranged on evaporator is continual to be blowed to material for cold wind and carry out cryogenic refrigeration,
Material drop temperature reaches requirement after two procedures are processed, and is drawn off by discharge port, and packing is placed under relevant temperature and stores i.e.
It can.
The beneficial effects of the present invention are: liquid nitrogen has the characteristics that freezing is fast of good preservation effect, the present invention divides refrigerating process
For the fresh-keeping and air-cooled depth of liquid nitrogen flash freezer quick-frozen two stages, pass through in the liquid nitrogen flash freezer fresh-keeping stage to surface of material sprinkling liquid nitrogen
Quickly in one layer of frost of the formation of surface of material, thus by moisture lock inside article, again into the air-cooled depth quick-frozen stage
Entire article is all freezed, by regulator control system can according to the temperature automatic adjustment instant freezer internal temperature set,
Real time temperature parameter is obtained by the fountain height and blower wind-force of controller adjusting liquid nitrogen by temperature sensor, not only reduces speed
Drying loss during jelly, improves food quality, and full-automatic temperature-controlling improves quick-frozen efficiency, saves resource；Using traditional machine
Tool compression refrigeration modes are effectively combined with liquid nitrogen refrigerating mode, further shorten cooling time, and can be according to material spy
Property adjustment liquid nitrogen spraying and cold wind quick-frozen time match；Using interior circulative metabolism, the burden of aerial cooler is reduced；This speed
For jelly machine when not having food on detecting foraminous conveyer, each jet pipe will not discharge liquid nitrogen in advance, can reduce the consumption of liquid nitrogen, subtract
Few energy consumption；Can be according to article to be frozen the case where, increases liquid nitrogen fountain height and blower by adjusting foraminous conveyer speed
Air rate adjustment stage cooling time, using flexible are applied widely.Using liquid nitrogen flash freezer and the air-cooled quick-frozen two kinds of skills of mechanical compression
Art combines, i.e. guarantee liquid nitrogen consumption not will increase, and also solving directly is lost material moisture using air-cooled method of freezing
Drawback reduces costs and increases efficiency and ensure that the best quality of food.
Detailed description of the invention
The present invention is described in detail by following preferred embodiments and attached drawing for ease of explanation,.
Fig. 1 is a kind of quick-freezing fresh-keeping method of the present invention and tunnel type fresh keeping refrigerator structure chart；
Fig. 2 is a kind of quick-freezing fresh-keeping method of the present invention and tunnel type fresh keeping refrigerator top view；
Fig. 3 is to invent a kind of quick-freezing fresh-keeping method and tunnel type fresh keeping refrigerator air cooling equipment structure chart；
Fig. 4 is to invent a kind of quick-freezing fresh-keeping method and tunnel type fresh keeping refrigerator atomizer structure figure；
Fig. 5 is to invent a kind of quick-freezing fresh-keeping method and tunnel type fresh keeping refrigerator atomizer upper end formation sectional view.
In figure: fixed frame -1；Drive roller shaft -2；The library -3；Foraminous conveyer -4；Liquid nitrogen spraying device -5；Air cooling equipment -6；
Fixed link -7；Solenoid valve -8；Deflector -9；Synchronous driving motor -11；Driving wheel -12；Lock fresh room -31；Freezing chamber -32；Atomization
Spray head -51；Feed inlet -33；Discharge port -34；Liquid nitrogen delivery pipe -35；Controller -36；Temperature sensor -37；Position sensor-
38；Evaporator -61；Blower -611；Refrigerant interface -612；Bracket -62；Sealing plate -613；Air outlet -614；Flow distribution plate -615；
Man-machine interface -39；Bearing -21；Wind deflector -616；Beat shake device -41, fumarole -511, piping connection mouth -512, spiral trunk
Through-hole -513, branch through-hole -514.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
A kind of tunnel type fresh keeping refrigerator as shown in Fig. 1,2,4,5, including fixed frame 1, drive roller shaft 2 and be equipped with conveying
The library 3 of mesh belt 4, the library 3 are arranged on fixed frame 1, are equipped in the library 3 and lock fresh room 31, freezing chamber 32, the lock
Fresh room 31 is mutually linked with freezing chamber 32, and described lock is equipped with liquid nitrogen spraying device 5 in fresh room 31, on the liquid nitrogen spraying device 5
Equipped with several atomizers 51,51 upper end of atomizer is equipped with piping connection mouth 512, and inside is equipped with and piping connection mouth
The spiral trunk through-hole 513 of 512 connections, lower end are equipped with fumarole 511, and the fumarole 511 is connected with matched branch through-hole
514, the other end of the branch through-hole 514 is connected on the end of the spiral trunk through-hole 513.；In the freezing chamber 32
Equipped with air cooling equipment 6；The library 3 is equipped with the regulator control system being electrically connected between liquid nitrogen spraying device 5 and air cooling equipment 6,
3 both ends of the library are equipped with the feed inlet 33 and discharge port 34 passed through for foraminous conveyer 4；The drive roller shaft 2 can be around from axis
The both ends of the fixed frame 1 are rotatably connected on, drive roller shaft allows transporting reticulation belt easily cycle rotation, 1 lower end of fixed frame
Several driving wheels 12 are equipped between foraminous conveyer 4, the tensioning of foraminous conveyer 4 is connected in drive roller shaft 2, the live-roller
If between axis 2 be equipped with dry bearing 21, foraminous conveyer 4 by synchronous driving motor 11 provide power, in actual operation in order to avoid
Material is sticked on transporting reticulation belt 4, so making material slight vibration be not bound to transmission added with shake device 41 is beaten in transporting reticulation belt 4
On mesh belt, transporting reticulation belt is stainless (steel) wire band, chain center width 2500mm, conveyer belt string diameter 1.5mm, boom 8mm, screw pitch
3.5mm matches 1 cun of bipatch chain.
Regulator control system in the library 3 includes liquid nitrogen delivery pipe 35, controller 36, temperature sensor 37 and position sensor
38, the liquid nitrogen delivery pipe 35 is extended to outside the library 3 and is connected to liquid nitrogen tank (not indicating), and the liquid nitrogen delivery pipe 35 is connected to
The liquid nitrogen spraying device 5, the liquid nitrogen spraying device 5 are fixed on inside the fresh room 31 of lock by fixed link 7 and correspond to transmission net
With 4 top, the spray equipment 5 and the junction of liquid nitrogen delivery pipe 35 are provided with solenoid valve 8；37 edge of temperature sensor
4 length of foraminous conveyer be evenly distributed on the fresh room of lock 31 in freezing chamber 32, temperature sensor be facilitate detection processing temperature, and
The intracorporal temperature in library, while the temperature feedback that will test, to controller 36, the position sensor 38 is arranged in each temperature
The side of sensor 37 is spent, 38 device of position sensing is used to detect whether with the presence of material on transporting reticulation belt 4, will in no material
Signal is transferred to controller 36, and controller 36 controls the wind-force of atomizer 51 and evaporator 61 in control solenoid valve 8, described
Temperature sensor 37, position sensor 38 and solenoid valve 8 are electrically connected with the controller 36；The controller 36 connects useful
In the man-machine interface 39 for showing each detection of temperature sensor 37 temperature, man-machine interface shows real time temperature, facilitates control quick-frozen
Machine, regulator control system can make instant freezer be fed to the quick-frozen rear fully automatic operation that discharges, and manual intervention is few, it is only necessary to root in advance
Parameter input will be freezed according to the characteristic of different material, transmission system uses frequency control, and each electric appliance is equipped in controller
Independent control switch.
As shown in figure 3, air cooling equipment 6 includes several evaporators 61, the evaporator 61 is equipped with blower 611 and connects with refrigerant
Mouth 612, the refrigerant interface 612 extend to outside freezing chamber 32 and connect refrigeration equipment (not indicating), and the evaporator 61 passes through branch
Frame 62 is fixed on 4 top of foraminous conveyer, and 61 upper end of evaporator is connected and fixed by fixed link 7 with freezing chamber 32, the evaporator
61 tops are equipped with sealing plate 613, and corresponding foraminous conveyer 4 is equipped with air outlet 614, the air outlet 614 to the evaporator 61 downwards
Place is equipped with flow distribution plate 615, and the corresponding 4 length direction side of foraminous conveyer of evaporator 61 is equipped with a pair of of blower 611, the other side be equipped with
The wind deflector 616 that sealing plate 613 connects, the blower 611 on adjacent vaporizers 61 is oppositely arranged, and the blowing direction of blower 611
Towards corresponding evaporator 61.
Preferably, 3 material of the library adds two-sided stainless steel plate using high-quality polyurethane foaming, possesses the library good
Heat insulation function, is equipped in the library 3 multiple towards the curved deflector 9 of foraminous conveyer, allows cold air shuttling movement in the library,
Reduce the consumption of the energy.
A kind of quick-freezing fresh-keeping method, comprising:
One stage: liquid nitrogen pre-freeze locks the fresh stage, and the cleaned material to be frozen drained is placed in 33 front end of feed inlet first
On foraminous conveyer 4, material is sent by foraminous conveyer 4 and locks fresh room 31, the position sensor 38 for locking fresh 31 front end of room setting detects
To after there is material to enter the fresh room 31 of lock, signal is fed back into controller 36, controller 36 issues instruction unpack liquid nitrogen to solenoid valve 8
Valve, liquid nitrogen are uniformly sprayed on lock fresh indoor 31 through liquid nitrogen atomizer 51, are freezed quickly by liquid nitrogen spraying in surface of material
One layer of frost is formed, material internal moisture is lockked；
Two-stage: the air-cooled depth quick-frozen stage, material after locking fresh 31 manufacturing procedure of room, with foraminous conveyer 4 enter it is cold
Freeze room 32, has evaporator 61 in freezing chamber 32, the blower 611 being arranged on evaporator 61 is continual to blow to material simultaneously for cold wind
Cryogenic refrigeration is carried out, after material drop temperature reaches required temperature after two procedures are processed, is drawn off, is beaten by discharge port 34
Packet is placed under relevant temperature and stores.
Also have in existing technology by freezing surface of material to lock the fresh-keeping example of moisture, but most is two kinds of feelings
Condition: first is that single use liquid nitrogen is fresh-keeping quick-frozen, although this fast effect of method speed is good, the consumption of liquid nitrogen
Greatly, the increase so as to cause cost is unfavorable for enterprise development；Be for second first pass through it is air-cooled quick-frozen by surface of material for the first time
Freeze to achieve the effect that lock moisture, then quick-frozen by air-cooled depth, achievees the purpose that final, however this technology is not
Have and fundamentally solve the problems, such as that cold wind can dry up surface of material moisture, although shallow freezing can be reached by reducing wind speed
Purpose allows for efficiency in this way and is lower, and the time of consumption increases energy consumption and increases, and is also unfavorable for the development of enterprise, does not meet existing rank
The market demand of section.
And the technical scheme is that guaranteeing liquid using liquid nitrogen flash freezer in conjunction with the air-cooled quick-frozen two kinds of technologies of mechanical compression
Nitrogen consumption not will increase, and also solves the drawbacks of being directly lost material moisture using air-cooled method of freezing, reduces costs,
It increases quick-frozen efficiency and reduces the quick-frozen used time, ensure that the best quality of food.In the technical solution of the present invention
Refrigerating process is divided into the fresh-keeping and air-cooled depth of liquid nitrogen flash freezer quick-frozen two stages, realizes that liquid nitrogen is fast in the liquid nitrogen flash freezer fresh-keeping stage
Speed article surface one layer of frost protective layer of formation, thus by moisture lock inside article, it is quick-frozen subsequently into air-cooled depth
Stage again all freezes entire article, by regulator control system can be according to the temperature automatic adjustment instant freezer set inside
Temperature accordingly adjusts the amount of injection and blower wind-force of liquid nitrogen by temperature sensor, not only reduce it is quick-frozen during drying loss,
The quality of quick-frozen food is improved, full-automatic temperature-controlling improves quick-frozen efficiency, saves resource；It is compressed and is freezed using tradition machinery
Mode is effectively combined with liquid nitrogen refrigerating mode, further shortens cooling time, and can adjust liquid nitrogen according to material characteristic
Spray is matched with the cold wind quick-frozen time；Using interior circulative metabolism, the burden of aerial cooler is reduced；This instant freezer is detecting
When not having food on to foraminous conveyer, each jet pipe will not discharge liquid nitrogen in advance, can reduce the consumption of liquid nitrogen, reduce the energy and disappear
Consumption；Can be according to article to be frozen the case where, increases liquid nitrogen fountain height and blower air rate adjustment by adjusting foraminous conveyer speed
Stage cooling time, using flexible are applied widely.The present invention can greatly improve the quick-frozen efficiency of material, guarantee new fresh goods
Matter, and energy saving meet the demand of current market development.
The above content is combine specific preferred embodiment limiting the scope of the invention, fields technology people
Member is not it should be understood that based on the technical solutions of the present invention, those skilled in the art need to make the creative labor
The various modifications or changes made are still within protection scope of the present invention.
Claims (8)
1. a kind of tunnel type fresh keeping refrigerator, including fixed frame (1), drive roller shaft (2) and the library for being equipped with foraminous conveyer (4)
(3), the library (3) both ends are equipped with the feed inlet (33) passed through for foraminous conveyer (4) and discharge port (34), the library (3)
It is arranged on fixed frame (1), it is characterised in that: be equipped in the library (3) and lock fresh room (31), freezing chamber (32), the lock is fresh
Room (31) is arranged in freezing chamber (32) front end and is mutually linked with freezing chamber (32), is equipped with liquid nitrogen spraying in the fresh room (31) of lock
Device (5), the liquid nitrogen spraying device (5) are equipped with multiple atomizers (51)；Air-cooled dress is equipped in the freezing chamber (32)
Set (6)；The library (3) is equipped with the regulator control system being electrically connected between liquid nitrogen spraying device (5) and air cooling equipment (6).
2. a kind of tunnel type fresh keeping refrigerator according to claim 1, it is characterised in that: the regulation on the library (3)
System includes liquid nitrogen delivery pipe (35), controller (36), temperature sensor (37) and position sensor (38), the liquid nitrogen conveying
Pipe (35) extends to outside the library (3) and is connected to liquid nitrogen tank, and the liquid nitrogen delivery pipe (35) is connected to the liquid nitrogen spraying device
(5), the liquid nitrogen spraying device (5) is fixed on inside the fresh room (31) of lock by fixed link (7) and corresponds to the upper of foraminous conveyer (4)
Side, the spray equipment (5) and the junction of liquid nitrogen delivery pipe (35) are provided with solenoid valve (8)；The temperature sensor (37)
It is evenly distributed in the fresh room (31) of lock and freezing chamber (32) along foraminous conveyer (4) length, position sensor (38) setting exists
The side of each temperature sensor (37), the temperature sensor (37), position sensor (38) and solenoid valve (8) with
Controller (36) electrical connection.
3. a kind of tunnel type fresh keeping refrigerator according to claim 1, it is characterised in that: atomizer (51) upper end
Equipped with piping connection mouth (512), inside is equipped with the spiral trunk through-hole (513) connecting with piping connection mouth (512), and lower end is equipped with
Fumarole (511), the fumarole (511) are connected with matched branch through-hole (514), the branch through-hole (514) it is another
End is connected on the end of the spiral trunk through-hole (513).
4. a kind of tunnel type fresh keeping refrigerator according to claim 1, it is characterised in that: the air cooling equipment (6) includes
Multiple groups evaporator (61), the evaporator (61) are equipped with blower (611) and refrigerant interface (612), the refrigerant interface (612)
It extends to freezing chamber (32) and connects refrigeration equipment outside, the evaporator (61) is fixed on foraminous conveyer (4) by bracket (62)
Side, evaporator (61) upper end are connected and fixed by fixed link (7) with freezing chamber (32), and evaporator (61) top is equipped with sealing
Plate (613), the evaporator (61) correspond to downwards foraminous conveyer (4) and are equipped with air outlet (614), set at the air outlet (614)
Have flow distribution plate (615), corresponding foraminous conveyer (4) the length direction side of evaporator (61) is equipped with a pair of of blower (611), and the other side is set
There is the wind deflector (616) connecting with sealing plate (613), the blower (611) on adjacent vaporizers (61) is oppositely arranged, and blower
(611) blowing direction is towards corresponding evaporator (61).
5. a kind of tunnel type fresh keeping refrigerator according to claim 2, it is characterised in that: the controller (36) is connected with
For showing the man-machine interface (39) of each temperature sensor (37) detection temperature.
6. a kind of tunnel type fresh keeping refrigerator according to claim 1, it is characterised in that: the library (3) material uses
High-quality polyurethane foaming adds two-sided stainless steel plate, is equipped in the library (3) multiple towards the curved deflector of foraminous conveyer 4
(9).
7. a kind of tunnel type fresh keeping refrigerator according to claim 1, it is characterised in that: the drive roller shaft (2) can
The both ends for being connected to the fixed frame (1) are rotated around the axis, several biographies are equipped between fixed frame (1) lower end and foraminous conveyer (4)
Driving wheel (12), foraminous conveyer (4) tensioning are connected on drive roller shaft (2), and several axis are equipped between the drive roller shaft (2)
It holds (21), foraminous conveyer (4) provides power by synchronous driving motor (11).
8. a kind of quick-freezing fresh-keeping method characterized by comprising
One stage: liquid nitrogen pre-freeze locks the fresh stage, and the cleaned material to be frozen drained is placed in feed inlet (33) front end first
Foraminous conveyer (4) on, material is sent by foraminous conveyer (4) and locks fresh room (31), the position for locking the setting of fresh room (31) front end passes
After sensor (38) has detected that material enters the fresh room (31) of lock, signal is fed back to controller (36), controller (36) is to electromagnetism
Valve (8) issues instruction unpack liquid nitrogen valve, and liquid nitrogen is uniformly sprayed in the fresh room (31) of lock through liquid nitrogen atomizer (51), and liquid nitrogen can
One layer of frost is quickly formed in surface of material, locks material internal moisture；
Two-stage: in the air-cooled depth quick-frozen stage, material is after locking fresh room (31) manufacturing procedure, as foraminous conveyer (4) enter
To freezing chamber (32), freezing chamber (32) is interior to be had evaporator (61), and the blower (611) being arranged on evaporator (61) is continual will
Low-temperature cold wind blows to material and carries out cryogenic refrigeration, and material drop temperature reaches requirement after two procedures are processed, by discharge port
(34) it draws off, packing is placed under relevant temperature and stores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910396518.4A CN109990543A (en) | 2019-05-14 | 2019-05-14 | A kind of quick-freezing fresh-keeping method and tunnel type fresh keeping refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910396518.4A CN109990543A (en) | 2019-05-14 | 2019-05-14 | A kind of quick-freezing fresh-keeping method and tunnel type fresh keeping refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109990543A true CN109990543A (en) | 2019-07-09 |
Family
ID=67136493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910396518.4A Pending CN109990543A (en) | 2019-05-14 | 2019-05-14 | A kind of quick-freezing fresh-keeping method and tunnel type fresh keeping refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109990543A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111532477A (en) * | 2020-06-09 | 2020-08-14 | 河南工业大学 | Quick-freeze encapsulation spring roll packagine machine |
| CN111972478A (en) * | 2020-09-01 | 2020-11-24 | 广州极速制冷设备有限公司 | Tunnel type poultry instant freezer |
| CN111972477A (en) * | 2020-09-01 | 2020-11-24 | 广州极速制冷设备有限公司 | Poultry quick-freezing method |
| CN111990454A (en) * | 2020-09-09 | 2020-11-27 | 苏州市农业科学院 | Fruit and vegetable quick-freezing and fresh-keeping equipment |
| CN113767971A (en) * | 2021-09-23 | 2021-12-10 | 山东青果食品有限公司 | Cold progressive freezing equipment for normal-temperature vegetable processing |
| CN114794262A (en) * | 2022-05-18 | 2022-07-29 | 山东泰乐源农业科技有限公司 | Preparation method of cold-extraction instant tea and special refrigeration equipment |
| CN115183513A (en) * | 2022-07-21 | 2022-10-14 | 绍兴老鹰冷冻设备有限公司 | Ultra-low temperature tunnel type instant freezer for cold chain fresh-keeping and quick freezing |
| CN116294343A (en) * | 2023-05-16 | 2023-06-23 | 科威嘉尼（江苏）制冷设备有限公司 | Tunnel type liquid nitrogen instant freezer |
| CN116878197A (en) * | 2023-09-06 | 2023-10-13 | 科威嘉尼（江苏）制冷设备有限公司 | High-efficient large capacity liquid nitrogen refrigerator |
| CN117073303A (en) * | 2023-10-13 | 2023-11-17 | 南通宝雪冷冻设备有限公司 | Uniform refrigeration regulation and control method of spiral instant freezer |
| CN117146523A (en) * | 2023-10-31 | 2023-12-01 | 南通市埃姆福制冷科技有限公司 | Freezing parameter control method and system of spiral instant freezer |
-
2019
- 2019-05-14 CN CN201910396518.4A patent/CN109990543A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111532477A (en) * | 2020-06-09 | 2020-08-14 | 河南工业大学 | Quick-freeze encapsulation spring roll packagine machine |
| CN111972478A (en) * | 2020-09-01 | 2020-11-24 | 广州极速制冷设备有限公司 | Tunnel type poultry instant freezer |
| CN111972477A (en) * | 2020-09-01 | 2020-11-24 | 广州极速制冷设备有限公司 | Poultry quick-freezing method |
| CN111972478B (en) * | 2020-09-01 | 2023-01-24 | 极速(广东)冷链设备有限公司 | Tunnel type poultry instant freezer |
| CN111990454B (en) * | 2020-09-09 | 2021-09-14 | 苏州市农业科学院 | Fruit and vegetable quick-freezing and fresh-keeping equipment |
| CN111990454A (en) * | 2020-09-09 | 2020-11-27 | 苏州市农业科学院 | Fruit and vegetable quick-freezing and fresh-keeping equipment |
| CN113767971B (en) * | 2021-09-23 | 2023-09-01 | 山东青果食品有限公司 | Cold progressive refrigeration equipment is met with meeting to normal atmospheric temperature vegetables processing |
| CN113767971A (en) * | 2021-09-23 | 2021-12-10 | 山东青果食品有限公司 | Cold progressive freezing equipment for normal-temperature vegetable processing |
| CN114794262A (en) * | 2022-05-18 | 2022-07-29 | 山东泰乐源农业科技有限公司 | Preparation method of cold-extraction instant tea and special refrigeration equipment |
| CN115183513A (en) * | 2022-07-21 | 2022-10-14 | 绍兴老鹰冷冻设备有限公司 | Ultra-low temperature tunnel type instant freezer for cold chain fresh-keeping and quick freezing |
| CN115183513B (en) * | 2022-07-21 | 2023-12-15 | 绍兴老鹰冷冻设备有限公司 | Ultralow-temperature tunnel type instant freezer for cold chain fresh-keeping and quick freezing |
| CN116294343A (en) * | 2023-05-16 | 2023-06-23 | 科威嘉尼（江苏）制冷设备有限公司 | Tunnel type liquid nitrogen instant freezer |
| CN116294343B (en) * | 2023-05-16 | 2023-08-04 | 科威嘉尼（江苏）制冷设备有限公司 | Tunnel type liquid nitrogen instant freezer |
| CN116878197A (en) * | 2023-09-06 | 2023-10-13 | 科威嘉尼（江苏）制冷设备有限公司 | High-efficient large capacity liquid nitrogen refrigerator |
| CN116878197B (en) * | 2023-09-06 | 2023-12-26 | 科威嘉尼（江苏）制冷设备有限公司 | High-efficient large capacity liquid nitrogen refrigerator |
| CN117073303A (en) * | 2023-10-13 | 2023-11-17 | 南通宝雪冷冻设备有限公司 | Uniform refrigeration regulation and control method of spiral instant freezer |
| CN117073303B (en) * | 2023-10-13 | 2023-12-22 | 南通宝雪冷冻设备有限公司 | Uniform refrigeration regulation and control method of spiral instant freezer |
| CN117146523A (en) * | 2023-10-31 | 2023-12-01 | 南通市埃姆福制冷科技有限公司 | Freezing parameter control method and system of spiral instant freezer |
| CN117146523B (en) * | 2023-10-31 | 2024-01-26 | 南通市埃姆福制冷科技有限公司 | Freezing parameter control method and system of spiral instant freezer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109990543A (en) | A kind of quick-freezing fresh-keeping method and tunnel type fresh keeping refrigerator | |
| US3238736A (en) | Liquid nitrogen freezing system | |
| JPH02126071A (en) | Refrigerating mechanism | |
| US3531946A (en) | Cryogenic-mechanical refrigeration apparatus | |
| CN104823008B (en) | Functional continuous quick-freezing plant | |
| CN108338310A (en) | A kind of food is pre- to thaw and quick-thawing sterilizing freshness-retaining device | |
| CN208609803U (en) | Low temperature and high relative humidity steam thawing equipment | |
| CN108375263A (en) | The medical freezer and its temperature control method that library Wen Jun does not transfinite when defrost, enabling | |
| CN210070349U (en) | Tunnel type fresh-keeping instant freezer | |
| CN107606843A (en) | A kind of Novel frost-free refrigerator-freezer refrigerating plant with solution dehumidification | |
| CN206531346U (en) | Fully automatic network band declines jelly machine | |
| CN205771433U (en) | The stagewise mesh belt structure of fluidization instant freezer | |
| CN208779781U (en) | A kind of fluidization instant freezer | |
| CN209131213U (en) | Quick-frozen pre-cooler | |
| CN107436069A (en) | Electrostatic refrigeration storage system and electrostatic freezing, defreezing method | |
| CN203672020U (en) | Fruit and vegetable fresh-keeping refrigeration house | |
| CN111288725A (en) | Impact tunnel quick-freezing machine | |
| CN207231042U (en) | A kind of hot fluorine defrosting aerial cooler with humidification function | |
| CN104886494A (en) | Quick-frozen dish product processing method | |
| CN106016898B (en) | A kind of air-cooled compressor refrigeration refrigerating box and its moisturizing control method | |
| CN109497128A (en) | Day lily quick-freezing fresh-keeping system | |
| CN109479951A (en) | Day lily fluidized quick-freezing apparatus | |
| CN108981268A (en) | A kind of fluidization instant freezer and fluidization method of freezing | |
| CN211503382U (en) | Central kitchen refrigerator | |
| CN212065558U (en) | Freezing processing equipment for fruit and vegetable food |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |