CN117366936A - Method for preparing fluid ice slurry based on ozone micro-nano bubbles and application of fluid ice slurry - Google Patents
Method for preparing fluid ice slurry based on ozone micro-nano bubbles and application of fluid ice slurry Download PDFInfo
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- CN117366936A CN117366936A CN202311299019.6A CN202311299019A CN117366936A CN 117366936 A CN117366936 A CN 117366936A CN 202311299019 A CN202311299019 A CN 202311299019A CN 117366936 A CN117366936 A CN 117366936A
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- Prior art keywords
- ice slurry
- fluid ice
- ozone micro
- nano bubbles
- preparing
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- 239000002002 slurry Substances 0.000 title claims abstract description 58
- 239000012530 fluid Substances 0.000 title claims abstract description 56
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 239000002101 nanobubble Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims description 4
- 230000000813 microbial effect Effects 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 239000013078 crystal Substances 0.000 abstract description 14
- 230000006911 nucleation Effects 0.000 abstract description 12
- 238000010899 nucleation Methods 0.000 abstract description 12
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 238000004781 supercooling Methods 0.000 abstract description 9
- 238000002360 preparation method Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 241000276498 Pollachius virens Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 241001596950 Larimichthys crocea Species 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C5/00—Working or handling ice
- F25C5/18—Storing ice
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The invention relates to the technical field of fluid ice slurry, and particularly provides a method for preparing fluid ice slurry based on ozone micro-nano bubbles and application of the fluid ice slurry; the preparation method of the fluid ice slurry specifically comprises the following steps: (1) Preparing ozone micro-nano bubbles by using an ozone micro-nano bubble generator, and pressurizing and introducing the ozone micro-nano bubbles into liquid water to prepare a gas-liquid two-phase solution; (2) Preparing fluid ice slurry by using the prepared gas-liquid two-phase solution; the gas-liquid two-phase solution prepared by the ozone micro-nano bubbles is used as a raw material for preparing the fluid ice slurry, so that the nucleation of ice crystals in the ice making process can be promoted, the supercooling degree can be reduced, the ice making efficiency can be improved, and the prepared fluid ice slurry has certain antibacterial property.
Description
Technical Field
The invention belongs to the technical field of fluid ice slurry, and particularly relates to a method for preparing fluid ice slurry based on ozone micro-nano bubbles and application of the fluid ice slurry.
Background
The fluid ice slurry technology is the high-tech refrigeration fresh-keeping technology with the most potential and the most attention in the fishery production and processing industry in the world. The fluid ice slurry is a phase change cold storage medium with extremely high heat exchange efficiency, comprises ice crystals, liquid water and one or more than one freezing point modifier (such as sodium chloride, glycol, carbohydrate, glycerol and the like), and the ice making technology is completely different from that of the traditional ice blocks and crushed ice. The ice crystal particles of the fluid ice slurry are fine and smooth, have the diameter of not more than 1mm at maximum, have strong fluidity and can be conveyed by a pump, so that the fluid ice slurry is also called pumping ice or fluidization ice.
The fluid ice slurry is mainly applied to building ice storage air conditioner and food precooling and fresh-keeping at present. In the preparation process of the fluid ice slurry, under the condition of lacking a condensation nucleus, the solution reaching the freezing point is easy to generate supercooling phenomenon, and the supercooling degree of the common solution is 5.0-6.0 ℃. The evaporation temperature of the heat exchanger of the ice machine is low due to the supercooling degree; when the evaporation temperature is reduced by 1.0 ℃, the refrigeration coefficient is reduced by 3.0-4.0%, and the refrigeration capacity is reduced by 5.0-6.0%, so that the energy consumption of the refrigeration system is increased.
Disclosure of Invention
Aiming at the situation, in order to make up the existing defects, the invention provides a method for preparing fluid ice slurry based on ozone micro-nano bubbles and application of the fluid ice slurry, and the gas-liquid two-phase solution prepared by the ozone micro-nano bubbles is used as a raw material for preparing the fluid ice slurry, so that ice crystal nucleation in the ice making process can be promoted, supercooling degree can be reduced, ice making efficiency can be improved, and the prepared fluid ice slurry has certain antibacterial property.
The invention provides the following technical scheme: the invention provides a method for preparing fluid ice slurry based on ozone micro-nano bubbles, which specifically comprises the following steps:
(1) Preparing ozone micro-nano bubbles by using an ozone micro-nano bubble generator, and pressurizing and introducing the ozone micro-nano bubbles into liquid water to prepare a gas-liquid two-phase solution;
(2) And (3) preparing the fluid ice slurry by using the gas-liquid two-phase solution prepared in the step (1).
Further, the size of the ozone micro-nano bubbles in the step (1) is controlled to be 300-1000 mu m 2 。
Further, the retention rate of the ozone micro-nano bubbles in the gas-liquid two-phase solution in the step (1) is 4-8 mg/L.
Further, the fluid ice slurry prepared in the step (2) is an ice maker by adopting an instrument.
In the process of preparing the fluid ice slurry, ice crystal nucleation is promoted in the process of making ice by ozone micro-nano bubbles, the supercooling degree is reduced, and the ice making efficiency is improved; ozone micro-nano bubbles can trigger ice crystal nucleation, the solution nucleation temperature is raised from-5 ℃ to 0 ℃, supercooled state is eliminated, and ice crystal freezing time is shortened by about 30%.
Furthermore, the fluid ice slurry with the antibacterial and fresh-keeping effects is prepared by utilizing the antibacterial property of ozone, and can have the dual effects of rapid cooling and fresh-keeping period prolongation when being used for low-temperature storage of aquatic products.
The invention also provides an application of the fluid ice slurry based on the ozone micro-nano bubbles, in particular to an application of the fluid ice slurry in pre-cooling and fresh-keeping of aquatic products.
Furthermore, the application of the ozone micro-nano bubble-based fluid ice slurry preparation is particularly characterized in that the fresh-keeping period of the aquatic product can be effectively prolonged.
Furthermore, the application of the fluid ice slurry prepared based on the ozone micro-nano bubbles is particularly characterized in that the growth speed of microorganisms in aquatic products can be inhibited.
The beneficial effects obtained by the invention by adopting the structure are as follows: the method for preparing the fluid ice slurry based on the ozone micro-nano bubbles and the application of the fluid ice slurry provided by the invention have the following advantages:
(1) In the preparation process of the fluid ice slurry, the ozone micro-nano bubbles can promote ice crystal nucleation in the ice making process, reduce supercooling degree and improve ice making efficiency;
(2) The fluid ice slurry with the antibacterial and fresh-keeping effects is prepared by utilizing the antibacterial property of ozone, and can play a double role in rapid cooling and prolonging the fresh-keeping period when being used for storing aquatic products at low temperature.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The ozone micro-nano bubble generator used in the embodiment is purchased from Shanghai Zhongjing environmental protection technology limited company, and specifically is a GWNB micro-nano aeration system; the ice machine was a kohler ice slurry machine (SF 20), available from kohler refrigeration equipment limited, guangzhou; meanwhile, it should be noted that the present invention is not limited to the above instruments, and instruments capable of achieving the corresponding functions are regarded as equivalent substitutes.
The invention provides a method for preparing fluid ice slurry based on ozone micro-nano bubbles, which specifically comprises the following steps:
(1) Ozone micro-nano bubbles are prepared by utilizing an ozone micro-nano bubble generator, and are pressurized and introduced into liquid water to prepare a gas-liquid two-phase solution, wherein the size of the ozone micro-nano bubbles is controlled to be 300-1000 mu m 2 The ozone micro-nano bubbles are in a gas-liquid two-phase solutionThe retention rate of the ozone micro-nano bubbles is 4-8 mg/L, the ozone micro-nano bubbles can trigger ice crystal nucleation, the solution nucleation temperature is increased from-5 ℃ to 0 ℃, supercooled state is eliminated, and the ice crystal freezing time is shortened by about 30%;
(2) And (3) introducing the prepared gas-liquid two-phase solution into an ice maker to prepare fluid ice slurry, wherein in the process of preparing the fluid ice slurry, the ozone micro-nano bubbles are used for promoting ice crystal nucleation in the process of making ice, so that the supercooling degree is reduced, and the ice making efficiency is improved.
Furthermore, the fluid ice slurry with the antibacterial and fresh-keeping effects is prepared by utilizing the antibacterial property of ozone, and can have the dual effects of rapid cooling and fresh-keeping period prolongation when being used for low-temperature storage of aquatic products.
Meanwhile, the invention also provides an application of preparing fluid ice slurry based on ozone micro-nano bubbles, in particular to an application of the fluid ice slurry in pre-cooling fresh-keeping of aquatic products, which is mainly realized by the following two aspects: (1) In the preparation process of the fluid ice slurry, the ozone micro-nano bubbles can promote ice crystal nucleation in the ice making process, reduce supercooling degree, improve ice making efficiency and effectively prolong the fresh-keeping period of aquatic products;
(2) The fluid ice slurry with the antibacterial and fresh-keeping effects is prepared by utilizing the antibacterial property of ozone, and can inhibit the growth rate of microorganisms in aquatic products when the fluid ice slurry is used for low-temperature storage of the aquatic products.
Example 1:
(1) Ozone micro-nano bubbles are prepared by an ozone micro-nano bubble generator (GWNB type micro-nano aeration system), and are pressurized and introduced into liquid water to prepare a gas-liquid two-phase solution, wherein the size of the ozone micro-nano bubbles is controlled at 300 mu m 2 The retention rate of the ozone micro-nano bubbles in the gas-liquid two-phase solution is 8mg/L, the ozone micro-nano bubbles can trigger ice crystal nucleation, the solution nucleation temperature is increased from-5 ℃ to 0 ℃, supercooled state is eliminated, and ice crystal freezing time is shortened by 30%;
(2) And preparing the prepared gas-liquid two-phase solution into fluid ice slurry by using a Kohler ice slurry machine (SF 20).
Taking precooled fresh-keeping small yellow croaker as an example, the initial colony content of the fresh small yellow croaker is 3.22+/-0.13 log CFU/g, and the control group is preserved by conventional crushed ice; experimental group: preserving fluid ice slurry;
the microbial population number after conventional crushed ice preservation is obviously increased, and the colony value exceeds 6.67+/-0.51 log CFU/g after 12 days of preservation. However, the microbial growth of fluid ice slurry samples containing micro-nano bubbles was significantly slower than that of conventional crushed ice samples, with TVC values of only 4.42.+ -. 0.46log CFU/g after 12 days.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The method for preparing the fluid ice slurry based on the ozone micro-nano bubbles is characterized by comprising the following steps of:
(1) Preparing ozone micro-nano bubbles by using an ozone micro-nano bubble generator, and pressurizing and introducing the ozone micro-nano bubbles into liquid water to prepare a gas-liquid two-phase solution;
(2) And (3) preparing the fluid ice slurry by using the gas-liquid two-phase solution prepared in the step (1).
2. The method for preparing fluid ice slurry based on ozone micro-nano bubbles according to claim 1, wherein the size of the ozone micro-nano bubbles is controlled to be 300-1000 μm 2 。
3. The method for preparing fluid ice slurry based on ozone micro-nano bubbles according to claim 1, wherein the retention rate of the ozone micro-nano bubbles in a gas-liquid two-phase solution is 4-8 mg/L.
4. A fluid ice slurry prepared according to the method of any one of claims 1-3.
5. The use of the fluid ice slurry of claim 4 in pre-cooling and preserving aquatic products.
6. Use of the fluid ice slurry of claim 4 for inhibiting microbial growth in an aquatic product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311299019.6A CN117366936A (en) | 2023-10-09 | 2023-10-09 | Method for preparing fluid ice slurry based on ozone micro-nano bubbles and application of fluid ice slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311299019.6A CN117366936A (en) | 2023-10-09 | 2023-10-09 | Method for preparing fluid ice slurry based on ozone micro-nano bubbles and application of fluid ice slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117366936A true CN117366936A (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311299019.6A Pending CN117366936A (en) | 2023-10-09 | 2023-10-09 | Method for preparing fluid ice slurry based on ozone micro-nano bubbles and application of fluid ice slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117366936A (en) |
-
2023
- 2023-10-09 CN CN202311299019.6A patent/CN117366936A/en active Pending
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