CN110953840A - Refrigerant quick-freezing method - Google Patents
Refrigerant quick-freezing method Download PDFInfo
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- CN110953840A CN110953840A CN201911258608.3A CN201911258608A CN110953840A CN 110953840 A CN110953840 A CN 110953840A CN 201911258608 A CN201911258608 A CN 201911258608A CN 110953840 A CN110953840 A CN 110953840A
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- Prior art keywords
- refrigerant
- freezing
- quick
- packaging
- air
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- 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
- F25D31/00—Other cooling or freezing apparatus
- F25D31/002—Liquid coolers, e.g. beverage cooler
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The application provides a refrigerant quick-freezing method, which comprises the following steps: packaging the liquid refrigerant in an uncooled state to form a plurality of refrigerant packaging pieces; placing the refrigerant packages on a metal grid at predetermined intervals, and isolating the refrigerant packages from each other through the metal grid; and freezing the refrigerant packaging piece to enable the refrigerant packaging piece to generate phase change. This application utilizes mobile cold air and sets up refrigerant surface and air maximize contact, utilizes the metal to keep apart simultaneously, and the maximize utilizes the heat transfer that air convection and metal heat conduction brought, ensures refrigerated validity, and this application can adopt single temperature to freeze, and supplementary circulation air is less than 14 hours consuming time, and the freezing temperature is less than phase transition temperature 10 ~ 15 ℃ can.
Description
Technical Field
The invention relates to the technical field of logistics refrigeration, in particular to a refrigerant quick-freezing method.
Background
When transporting fresh commodities, in order to maintain the freshness of the commodities, the commodities are generally packaged by a freshness preservation box. For fresh and alive commodities, the preservation requirement is higher, and therefore a phase-change refrigerant needs to be placed in the preservation box to keep the stability of a low-temperature environment in the preservation box.
The existing phase-change refrigerant freezing process is as follows: freezing at a segmented temperature, namely pre-freezing in an environment with the temperature lower than the phase change temperature by 18 ℃, and then freezing at the temperature lower than the phase change temperature by 25-35 ℃, wherein the total time consumption is 3-5 days.
The existing market is used for refrigerants needing freezing or cold storage and heat preservation, and when the refrigerants are frozen, the consumed time is long, the energy consumption is high, the emergency demand of large instant quantity in the market cannot be met, the problem that some scenes (such as large promotion of electricity merchants, high peak sale period and the like) are short of frozen refrigerants can be caused, and the high freezing cost of the refrigerants is high.
Disclosure of Invention
In order to solve at least one of the technical problems, the application provides a refrigerant quick-freezing method, which is used for freezing refrigerants such as ice bags and ice plates so as to improve the refrigerant freezing efficiency, reduce the refrigerant energy consumption and effectively reduce the refrigerant use cost.
The refrigerant quick-freezing method comprises the following steps:
packaging the liquid refrigerant in an uncooled state to form a plurality of refrigerant packaging pieces;
placing the refrigerant packages on a metal grid at predetermined intervals, and isolating the refrigerant packages from each other through the metal grid;
and freezing the refrigerant packaging piece to enable the refrigerant packaging piece to generate phase change.
Preferably, the predetermined interval is not less than 2 mm.
Preferably, the coolant package includes an ice bag or an ice sheet.
Preferably, the freezing the refrigerant includes:
and placing the placed refrigerant packaging piece in a freezing environment with the temperature lower than the phase change temperature of the refrigerant by 10-15 ℃.
Preferably, the freezing the refrigerant package includes:
the placed refrigerant package is placed in a freezing environment for 14 hours.
Preferably, the freezing the refrigerant includes: providing a blowing apparatus in the refrigerated environment, the blowing apparatus being configured to flow air in the refrigerated environment above 35 km/h.
Preferably, the blowing device comprises at least two sets, each set being arranged on adjacent sides in the refrigerated environment.
This application utilizes mobile cold air and sets up refrigerant surface and air maximize contact, utilizes the metal to keep apart simultaneously, and the maximize utilizes the heat transfer that air convection and metal heat conduction brought, ensures refrigerated validity, and this application adopts single temperature to freeze, and supplementary circulation air is less than 14 hours consuming time, and the freezing temperature is less than phase transition temperature 10 ~ 15 ℃ can.
Drawings
Fig. 1 is a flowchart illustrating a preferred embodiment of a refrigerant quick-freezing method according to the present application.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Embodiments of the present application will be described in detail below with reference to the drawings.
Compared with the prior art, this application uses the metal to separate the refrigerant, uses the air current instrument simultaneously in freezing environment, uses heat-conduction and two kinds of heat transfer modes of convection current extremely delightfully, shortens the refrigerant freeze time greatly, shortens refrigerant freeze time 40% ~ 90%, storage cost and energy consumption when reducing the refrigerant and freeze.
The refrigerant quick-freezing method comprises the following steps:
step S01, packaging the liquid refrigerant in an uncooled state to form a plurality of refrigerant packaging pieces;
step S02, placing the refrigerant packages on a metal grid at preset intervals, and isolating the refrigerant packages from each other through the metal grid;
and step S03, freezing the refrigerant packaging piece to generate phase change.
In step S03, the refrigerant package is frozen by reducing the ambient temperature, and when the refrigerant is reduced to a temperature below the phase transition temperature, the refrigerant changes from a liquid to a solid.
The refrigerant refers to a cold storage agent, is a semitransparent (or opaque) viscous colloidal mixture consisting of organic or (and) inorganic compounds, can absorb and store a large amount of cold at low temperature, can emit a large amount of cold at higher temperature, and can keep the low-temperature environment in a small range per se and around for a long time. The substance produced by the technology can efficiently store cold energy and meet various physical and chemical requirements is called as a cold storage agent (refrigerant), and the refrigerant in the application generally refers to water or a mixture formed by mixing potassium chloride, sodium chloride and the like in the water.
In some alternative embodiments, the predetermined spacing is not less than 2 mm.
This application is through cutting apart the refrigerant to deposit on the metal grating, make the refrigerant quick freezing, ensure refrigerated validity.
In some alternative embodiments, the coolant package comprises an ice bag or an ice sheet. The ice bag or the ice plate is usually matched with the heat preservation box for use, a refrigerant ice bag or the ice plate is placed in the heat preservation box, the refrigerant enables the box body to keep relatively constant temperature through heat absorption or heat release, and the refrigerant absorbs heat to gradually melt along with the heat exchange between the refrigerant and goods and the like.
In some alternative embodiments, freezing the refrigerant comprises: and placing the placed refrigerant packaging piece in a freezing environment with the temperature lower than the phase change temperature of the refrigerant by 10-15 ℃.
In some alternative embodiments, freezing the coolant package comprises: the placed refrigerant package is placed in a freezing environment for 14 hours.
In some alternative embodiments, freezing the refrigerant comprises: providing a blowing apparatus in the refrigerated environment, the blowing apparatus being configured to flow air in the refrigerated environment above 35 km/h.
This application utilizes the cold air that flows and sets up refrigerant surface and air maximize contact, utilizes the metal isolation simultaneously, and the maximize utilizes the heat transfer that air convection and metal heat conduction brought, ensures refrigerated validity. According to the method, single-temperature freezing is adopted, air circulation is assisted, the time consumption is less than 14 hours, and the freezing temperature is less than the phase change temperature by 10-15 ℃.
In some alternative embodiments, the blowing device comprises at least two sets, each set being disposed on adjacent sides of the refrigerated environment.
In some alternative embodiments, the air-blowing apparatus may be an intensive-blowing continuous-type quick-freezing apparatus, a tunnel-type air-blowing apparatus, or the like. For example, the freezing environment is a closed chamber, a plurality of layers of storage supports are constructed to contain refrigerants, the strong blowing continuous type quick freezing device is used for blowing air, the strong ventilation quick freezing device adopts a finned tube evaporator, the air feeder adopts a centrifugal fan or an axial flow fan with a high pressure head, the refrigerants can be fed in and out intermittently or continuously mechanically, and the production capacity is high. And for example, the freezing environment is a tunnel, a tunnel type blowing device is adopted, an air cooler and a blower are arranged in the tunnel, a refrigerant is arranged on the trolley and enters and exits the tunnel through a guide rail or a hanging rail, and cold air is blown in to quickly freeze the trolley.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. A refrigerant quick-freezing method is characterized by comprising the following steps:
packaging the liquid refrigerant in an uncooled state to form a plurality of refrigerant packaging pieces;
placing the refrigerant packages on a metal grid at predetermined intervals, and isolating the refrigerant packages from each other through the metal grid;
and freezing the refrigerant packaging piece to enable the refrigerant packaging piece to generate phase change.
2. The refrigerant quick-freezing method as claimed in claim 1, wherein the predetermined interval is not less than 2 mm.
3. The refrigerant quick-freezing method as claimed in claim 1, wherein the refrigerant package comprises an ice bag or an ice plate.
4. The refrigerant quick-freezing method as claimed in claim 1, wherein freezing the refrigerant comprises:
and placing the placed refrigerant packaging piece in a freezing environment with the temperature lower than the phase change temperature of the refrigerant by 10-15 ℃.
5. The refrigerant quick-freezing method as claimed in claim 4, wherein the freezing of the refrigerant package comprises:
the placed refrigerant package is placed in a freezing environment for 14 hours.
6. The refrigerant quick-freezing method as claimed in claim 4, wherein freezing the refrigerant comprises: providing a blowing apparatus in the refrigerated environment, the blowing apparatus being configured to flow air in the refrigerated environment above 35 km/h.
7. The refrigerant quick-freezing method as claimed in claim 6, wherein the blowing device comprises at least two groups, and the two groups are respectively arranged at adjacent sides in the freezing environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911258608.3A CN110953840A (en) | 2019-12-10 | 2019-12-10 | Refrigerant quick-freezing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911258608.3A CN110953840A (en) | 2019-12-10 | 2019-12-10 | Refrigerant quick-freezing method |
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| Publication Number | Publication Date |
|---|---|
| CN110953840A true CN110953840A (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911258608.3A Pending CN110953840A (en) | 2019-12-10 | 2019-12-10 | Refrigerant quick-freezing method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2470768Y (en) * | 1999-09-20 | 2002-01-09 | 史玉成 | Low-temp. quickly-freezing box |
| KR20110032586A (en) * | 2009-09-23 | 2011-03-30 | 권희진 | Cooling film for food |
| CN109186172A (en) * | 2018-10-17 | 2019-01-11 | 上海安鲜达物流科技有限公司 | The quick-frozen frame of phase transformation refrigerant |
| CN209541268U (en) * | 2019-01-28 | 2019-10-25 | 上海安鲜达物流科技有限公司 | The quick-frozen frame of sludge ice bag |
-
2019
- 2019-12-10 CN CN201911258608.3A patent/CN110953840A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2470768Y (en) * | 1999-09-20 | 2002-01-09 | 史玉成 | Low-temp. quickly-freezing box |
| KR20110032586A (en) * | 2009-09-23 | 2011-03-30 | 권희진 | Cooling film for food |
| CN109186172A (en) * | 2018-10-17 | 2019-01-11 | 上海安鲜达物流科技有限公司 | The quick-frozen frame of phase transformation refrigerant |
| CN209541268U (en) * | 2019-01-28 | 2019-10-25 | 上海安鲜达物流科技有限公司 | The quick-frozen frame of sludge ice bag |
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Application publication date: 20200403 |