CN212629759U - Liquid nitrogen food instant freezer - Google Patents
Liquid nitrogen food instant freezer Download PDFInfo
- Publication number
- CN212629759U CN212629759U CN202020840905.0U CN202020840905U CN212629759U CN 212629759 U CN212629759 U CN 212629759U CN 202020840905 U CN202020840905 U CN 202020840905U CN 212629759 U CN212629759 U CN 212629759U
- Authority
- CN
- China
- Prior art keywords
- cabinet body
- liquid nitrogen
- inner cabinet
- circulation channel
- shaped coil
- 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.)
- Active
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 72
- 239000007788 liquid Substances 0.000 title claims abstract description 71
- 235000013305 food Nutrition 0.000 title claims abstract description 32
- 238000004321 preservation Methods 0.000 claims abstract description 8
- 238000005057 refrigeration Methods 0.000 claims abstract description 5
- 238000007710 freezing Methods 0.000 abstract description 8
- 230000008014 freezing Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Images
Abstract
The utility model relates to the technical field of food quick-freezing equipment, in particular to a liquid nitrogen food quick-freezing machine, which comprises a cabinet body and a cabinet door hinged with the cabinet body, the cabinet body is sequentially provided with an inner cabinet body, an outer cabinet body and a heat preservation layer from inside to outside, a liquid nitrogen circulation channel is formed between the inner cabinet body and the outer cabinet body, the lower end of the inner cabinet body is provided with a liquid nitrogen inlet communicated with the liquid nitrogen circulation channel, the liquid nitrogen inlet is provided with a fan, a plurality of groups of supporting strips are fixed in the inner cabinet body at intervals from top to bottom, liquid nitrogen outlets communicated with the liquid nitrogen circulation channel are uniformly arranged on the inner cabinet body between every two adjacent supporting strips, the improved refrigerator is characterized in that an S-shaped coil is fixed on each group of support strips, refrigeration holes are uniformly formed in the upper end of each S-shaped coil, a plurality of S-shaped coils sequentially pass through connecting pipes from top to bottom to be connected, a tray is placed on each S-shaped coil, and air holes are uniformly formed in the bottom of the tray. The instant freezer can freeze food uniformly and has poor freezing effect.
Description
Technical Field
The utility model relates to a food quick-freeze equipment technical field, concretely relates to liquid nitrogen food frozen machine.
Background
The working principle of the liquid nitrogen instant freezer is that frozen articles and low-temperature liquid (liquid nitrogen) are frozen in a non-direct contact mode; the packaged fresh food (fish, meat and the like) is put into a quick freezer, the temperature in the liquid nitrogen quick freezer is quickly reduced to below-120 ℃ (the temperature can be set according to different foods), and then the food is frozen within 2-15 minutes to avoid the ice crystal formation period in the food, so that cell membranes are kept from being damaged, nutrient substances are not lost after thawing, and the original flavor, taste and nutritive value of the food are kept and even better than those of the fresh food in taste.
The existing liquid nitrogen food quick freezer mainly has the advantages that liquid nitrogen sprayed by a fan in the cabinet body diffuses in the cabinet body, food in the cabinet body is frozen, and during actual use, food placed in the cabinet body usually has multiple layers, so that the existing quick freezer has the problems of poor freezing effect and uneven freezing.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that above-mentioned exists, designed a freezing effectual, freeze even liquid nitrogen food frozen machine.
In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a realize through following technical scheme:
a liquid nitrogen food instant freezer comprises a freezer body and a cabinet door hinged with the freezer body, wherein the freezer body sequentially comprises an inner freezer body, an outer freezer body and a heat preservation layer from inside to outside, a liquid nitrogen circulation channel is formed between the inner freezer body and the outer freezer body, the heat preservation layer is wrapped on the outer side of the outer freezer body, the lower end of the inner freezer body is provided with a liquid nitrogen inlet communicated with the liquid nitrogen circulation channel, a fan for supplying air into the liquid nitrogen circulation channel is installed on the liquid nitrogen inlet, a plurality of groups of supporting strips are fixed in the inner freezer body from top to bottom at intervals, each group of supporting strips is provided with two supporting strips and symmetrically fixed on the left side and the right side of the inner freezer body respectively, a liquid nitrogen outlet communicated with the liquid nitrogen circulation channel is uniformly formed in the inner freezer body between every two adjacent supporting strips, an S-shaped coil is fixed on each group of supporting strips, the upper end of the S-shaped coil is uniformly provided, the improved cabinet is characterized in that a liquid nitrogen conveying pipe is fixed to the top of the cabinet body, the liquid nitrogen conveying pipe extends into the inner cabinet body and is connected with the S-shaped coil pipe at the uppermost end, a tray is placed on the S-shaped coil pipe, and air holes are evenly formed in the bottom of the tray.
Furthermore, an insulating layer is fixed on the outer side of the cabinet door.
Furthermore, the distance between the lower end of the inner cabinet body and the outer cabinet body is larger than the distance between the lateral surface of the inner cabinet body and the outer cabinet body.
Further, there are 5 groups of the support strip, 5S-shaped coil pipes and 5 trays.
The utility model has the advantages that:
a plurality of groups of supporting strips are arranged in an inner cabinet body of the instant freezer at intervals from top to bottom, an S-shaped coil is fixed on each group of supporting strips, a plurality of S-shaped coils are connected through connecting pipes, refrigerating holes for allowing vaporific liquid nitrogen to flow out are uniformly formed in the upper ends of the S-shaped coils, trays for containing food to be quickly frozen are placed on the S-shaped coils, and the liquid nitrogen is conveyed to the food in the trays through the S-shaped coils, so that the food is uniformly frozen, and the freezing quality is improved; because the density of the nitrogen is greater than that of the air, the fog-like liquid nitrogen entering the inner cabinet body is accumulated at the lower end of the inner cabinet body, the fog-like liquid nitrogen at the lower end of the inner cabinet body is sent into the liquid nitrogen circulation channel through the fan and then sprayed to the tray from the liquid nitrogen outlet between two adjacent supporting strips to cool the food, and the food is guaranteed to be uniformly frozen.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the instant freezer of the present invention after the tray is taken out;
fig. 2 is a schematic view of the structure of the tray of the present invention;
fig. 3 is a schematic structural view of the cabinet body of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
fig. 5 is a schematic view of the connection between the S-shaped coils of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-cabinet body, 11-inner cabinet body, 111-liquid nitrogen outlet, 12-outer cabinet body, 13-heat insulation layer, 2-cabinet door, 3-fan, 4-liquid nitrogen circulation channel, 5-supporting strip, 6-S type coil pipe, 61-refrigeration hole, 7-connecting pipe, 8-tray and 9-liquid nitrogen conveying pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the liquid nitrogen food instant freezer comprises a cabinet body 1, a cabinet door 2 hinged with the cabinet body 1, a fan 3 and an S-shaped coil pipe 6.
As shown in fig. 3-4, the cabinet body 1 is sequentially provided with an inner cabinet body 11, an outer cabinet body 12 and a heat insulation layer 13 from inside to outside, a liquid nitrogen circulation channel 4 is formed between the inner cabinet body 11 and the outer cabinet body 12, and for the convenience of installation of the fan 3, the distance between the lower end of the inner cabinet body 11 and the outer cabinet body 12 is larger than the distance between the side surface of the inner cabinet body 11 and the outer cabinet body 12. The heat preservation layer 13 is wrapped outside the outer cabinet body 12, the lower end of the inner cabinet body 11 is provided with a liquid nitrogen inlet communicated with the liquid nitrogen circulation channel 4, the liquid nitrogen inlet is provided with a fan 3 for supplying air into the liquid nitrogen circulation channel 4, a plurality of groups of supporting strips 5 for supporting the S-shaped coil pipes 6 are fixed in the inner cabinet body 11 at intervals from top to bottom, in the embodiment, the supporting strips are provided with 5 groups, each group of supporting strips is provided with two supporting strips, the two supporting strips are respectively and symmetrically fixed on the left side and the right side of the inner cabinet body 11, the inner cabinet body 11 between two adjacent supporting strips 5 is uniformly provided with a liquid nitrogen outlet 111 communicated with the liquid nitrogen circulation channel 4, each group of supporting strips 5 is fixed with an S-shaped coil pipe 6, as shown in figure 5, the upper end of the S-shaped coil pipe 6 is uniformly provided with refrigeration holes 61 along the length direction of the coil pipe, the S-shaped coil pipes 6 are connected with a connecting pipe 7 from top to bottom in sequence, when the cabinet is used, one end of the liquid nitrogen delivery pipe 9, which is positioned outside the cabinet body 1, is connected with a liquid nitrogen tank, and liquid nitrogen in the liquid nitrogen tank enters the S-shaped coil pipe 6 through the liquid nitrogen delivery pipe 9. A tray 8 used for containing food to be frozen is placed on the S-shaped coil 6, and in order to improve the freezing effect, air holes for the circulation of vaporific liquid nitrogen are uniformly formed in the bottom of the tray 8.
In order to improve the heat preservation effect of the cabinet door 2, a heat preservation layer is fixed on the outer side of the cabinet door 2.
During the use, open cabinet door 2, take out tray 8, will wait to freeze food and place on tray 8, then place tray 8 on S type coil 6, close cabinet door 2, put through liquid nitrogen conveyer pipe 9 and liquid nitrogen container, start fan 3, liquid nitrogen carries to the S type coil 6 of top in through liquid nitrogen conveyer pipe 9, then flow to the S type coil pipe of below in proper order through connecting pipe 7, in the flow process, vaporific liquid nitrogen flows out from refrigeration hole 61, freeze the food in tray 8, because nitrogen density is greater than air density, vaporific liquid nitrogen that gets into inner cabinet 11 can gather at inner cabinet 11 lower extreme, fan 3 sends vaporific liquid nitrogen of inner cabinet 11 lower extreme into liquid nitrogen circulation channel 4, spout from the liquid nitrogen export 111 between two adjacent support strip 5 to, cool the food in tray 8.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should be able to make changes, alterations, additions or substitutions within the scope of the present invention.
Claims (4)
1. The utility model provides a liquid nitrogen food instant freezer, includes the cabinet body and with cabinet body articulated cabinet door, its characterized in that: the cabinet body comprises an inner cabinet body, an outer cabinet body and a heat preservation layer from inside to outside in sequence, a liquid nitrogen circulation channel is formed between the inner cabinet body and the outer cabinet body, the heat preservation layer is wrapped on the outer side of the outer cabinet body, the lower end of the inner cabinet body is provided with a liquid nitrogen inlet communicated with the liquid nitrogen circulation channel, a fan for supplying air into the liquid nitrogen circulation channel is installed on the liquid nitrogen inlet, a plurality of groups of supporting strips are fixed in the inner cabinet body at intervals from top to bottom, two supporting strips in each group are symmetrically fixed on the left side and the right side of the inner cabinet body respectively, liquid nitrogen outlets communicated with the liquid nitrogen circulation channel are uniformly formed in the inner cabinet body between every two adjacent supporting strips, an S-shaped coil pipe is fixed on each group of supporting strips, the upper end of each S-shaped coil pipe is uniformly provided with refrigeration holes along the length direction of the coil pipe, a plurality of, the liquid nitrogen conveying pipe stretches into the inner cabinet body and is connected with the S-shaped coil pipe at the uppermost end, the tray is placed on the S-shaped coil pipe, and air holes are uniformly formed in the bottom of the tray.
2. The liquid nitrogen food instant freezer of claim 1, characterized in that: and a heat-insulating layer is fixed on the outer side of the cabinet door.
3. The liquid nitrogen food instant freezer of claim 1, characterized in that: the distance between the lower end of the inner cabinet body and the outer cabinet body is larger than the distance between the lateral surface of the inner cabinet body and the outer cabinet body.
4. The liquid nitrogen food instant freezer of claim 1, characterized in that: the support strip has 5 groups, the S type coil has 5, the tray has 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020840905.0U CN212629759U (en) | 2020-05-19 | 2020-05-19 | Liquid nitrogen food instant freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020840905.0U CN212629759U (en) | 2020-05-19 | 2020-05-19 | Liquid nitrogen food instant freezer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212629759U true CN212629759U (en) | 2021-03-02 |
Family
ID=74793069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020840905.0U Active CN212629759U (en) | 2020-05-19 | 2020-05-19 | Liquid nitrogen food instant freezer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212629759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113115895A (en) * | 2021-05-24 | 2021-07-16 | 南通理工学院 | Cooling device |
-
2020
- 2020-05-19 CN CN202020840905.0U patent/CN212629759U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113115895A (en) * | 2021-05-24 | 2021-07-16 | 南通理工学院 | Cooling device |
| CN113115895B (en) * | 2021-05-24 | 2022-05-03 | 南通理工学院 | Cooling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5467612A (en) | Freezing system for fragible food products | |
| US3238736A (en) | Liquid nitrogen freezing system | |
| NO153216B (en) | STROEMNINGSFORDELER. | |
| JPH04121178A (en) | Method and apparatus for freezing food | |
| CN212629759U (en) | Liquid nitrogen food instant freezer | |
| CN219014736U (en) | Precooling device and immersed tunnel instant freezer | |
| CN209463224U (en) | A kind of device being quickly cooled down for bakery | |
| CN110701843A (en) | Fresh-keeping refrigerator of flow state ice | |
| CN115289750A (en) | Unfreezing machine for hotel | |
| CN213931633U (en) | Smooth refrigerating plant of ox | |
| CN100412479C (en) | Liquid cooling foods freezer | |
| CN213238065U (en) | Novel liquid nitrogen dry ice dual-mode instant freezer | |
| CN210070349U (en) | Tunnel type fresh-keeping instant freezer | |
| CN109695984A (en) | A kind of preservation of fishery storage cabinet | |
| CN207622314U (en) | A kind of liquid nitrogen refrigerating apparatus of dish | |
| CN111380302A (en) | Instant freezer with automatic cleaning system | |
| CN216103799U (en) | Fresh-keeping case of wet with intelligent accuse temperature accuse of fruit vegetables is fresh-keeping | |
| CN220109042U (en) | Quick-freezing device for food | |
| CN105300005A (en) | Static-wind chilling refrigerator | |
| CN207501519U (en) | A kind of preservation of fishery storage cabinet | |
| CN218993775U (en) | Direct dipping refrigerator | |
| CN205262028U (en) | Large -scale fresh -keeping freezer apparatus of oxygen supply | |
| CN215490530U (en) | Quick refrigerating machine for conditioning meat | |
| CN221606652U (en) | Fresh cold chain transportation moisture-resistant waterproof carton | |
| CN219506860U (en) | Aquatic product ice-plating conveyor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210526 Address after: 223001 west side of Lianshui Road south side of Shuangyong Road, Lianshui Economic Development Zone, Huai'an City, Jiangsu Province Patentee after: Jiangsu Leshi Food Co.,Ltd. Address before: 116000 building 1-4, No.18, Huxi Road, high tech Zone, Donghai County, Lianyungang City, Dalian City, Liaoning Province Patentee before: Gaishi food (Jiangsu) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 3 Lianshui Road, Economic Development Zone, Lianshui County, Huai'an City, Jiangsu Province, 223400 Patentee after: Gaishi food (Jiangsu) Co.,Ltd. Address before: 223001 west side of Lianshui Road south side of Shuangyong Road, Lianshui Economic Development Zone, Huai'an City, Jiangsu Province Patentee before: Jiangsu Leshi Food Co.,Ltd. |
|
| CP03 | Change of name, title or address |