CN112629095A - Stimulated self-refrigerating low-temperature ice salt bag - Google Patents
Stimulated self-refrigerating low-temperature ice salt bag Download PDFInfo
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- CN112629095A CN112629095A CN202011459782.7A CN202011459782A CN112629095A CN 112629095 A CN112629095 A CN 112629095A CN 202011459782 A CN202011459782 A CN 202011459782A CN 112629095 A CN112629095 A CN 112629095A
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- ice
- bag
- hose
- salt bag
- water
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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
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
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- Chemical & Material Sciences (AREA)
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Abstract
The invention relates to an ice bag, in particular to a stimulated self-refrigerating low-temperature ice salt bag. The invention aims to solve the technical problem that the energy storage capacity of the existing ice salt bag is limited to a certain extent due to the fact that the existing ice salt bag is physically separated from ice and sodium chloride by adopting woven cloth, and provides an excited self-cooling low-temperature ice salt bag. The sealed ice salt bag structure is designed through the steps of water drop packaging, salt particle premixing and the like, the low-temperature condition can be quickly prepared under the conditions of no water injection and no water immersion, and the defects that the multi-component chemical ice bag needs water injection or water immersion before use and the sealing failure risk is large are overcome; self-refrigeration can be realized through short-time low-temperature excitation, and the problem that daily use guarantee is difficult due to long time consumption of deep cold storage of a multi-component chemical ice bag is solved; the phase change mechanism of the mixture of sodium chloride and ice is utilized to realize deep cold storage, the cold storage capacity is superior to that of the traditional water-based ice bag, and the material cost is lower than that of a multi-component chemical ice bag.
Description
Technical Field
The invention relates to an ice bag, in particular to a stimulated self-refrigerating low-temperature ice salt bag.
Background
The ice bag is internally provided with cold accumulation working medium, can provide low temperature condition within a certain time, and is widely used in the industries of medical treatment and treatment, fresh logistics and the like. The existing ice bags are generally classified into water-based conventional ice bags and multi-component chemical ice bags.
The water-based ice bag has low cold storage capacity and freezes working medium below zero, and the volume expansion in the freezing process easily causes the faults of bag expansion, leakage and the like, so the practicability is poor. The multi-component chemical ice bag takes aqueous solution of compounds such as inorganic salt, high polymer gel and the like as working media, the cold storage capacity and the refrigeration capacity are superior to those of the traditional ice bag taking water as the working media, the full dissolution of the compounds is realized by injecting water or wholly soaking in water before use, the sealing in the use stage is not facilitated, the working mode of cold storage at low temperature (5 to 12 hours at minus 20 ℃, the freezing time depends on the high polymer components) and cold release in the use environment is adopted, and the deep freezing time in the cold storage stage is too long, so that the daily effective use is difficult to ensure.
In order to solve the problems of long time consumption and difficult daily use guarantee of the multi-component chemical ice bag in deep cold storage, the ice salt bag is invented by taking an ice and sodium chloride mixture as a working medium on the basis of an ice salt bath technology commonly used in the field of fine chemical engineering, the time consumption of the ice salt bag in deep cold storage is effectively shortened due to more components of the chemical ice bag, and the composite layered hemostatic ice salt bag which is oriented to the medical treatment scene has a better application effect in the aspect of compression hemostasis at the puncture position of an internal jugular vein. However, in the prior art, ice and sodium chloride are physically isolated by adopting woven cloth, so that the energy storage capacity of the ice salt bath is limited.
Disclosure of Invention
The invention aims to solve the technical problem that the energy storage capacity of the existing ice salt bag is limited to a certain extent due to the fact that the existing ice salt bag is physically separated from ice and sodium chloride by adopting woven cloth, and provides an excited self-cooling low-temperature ice salt bag.
In order to solve the technical problems, the technical solution provided by the invention is as follows:
the excited self-refrigerating low-temperature ice salt bag is characterized by being prepared by the following steps:
1) encapsulating water droplets
1.1) obtaining a hose
Selecting or preparing a hose with the glass transition temperature of-10 to-20 ℃;
1.2) Water injection
Filling the hose with water;
1.3) encapsulation
After two ends of the hose filled with water are packaged, packaging is carried out at intervals of a preset distance along the length direction of the hose to form a plurality of mutually separated water drops;
1.4) truncation
Cutting the packaged hose into a plurality of small sections with preset lengths and packaged with water drops, and naturally drying;
2) premixing and packaging components
2.1) weighing a first preset mass of the dried small section obtained in the step 1.4), and recording as a mass unit A;
2.2) weighing a second preset mass of sodium chloride, and recording as a mass unit B;
2.3) putting a predetermined amount of the mass units A and the mass units B into the same container, and uniformly stirring to prepare premix;
and 2.4) filling the premix into a sealed bag with the glass transition temperature lower than-30 ℃, and packaging the opening of the bag to obtain the ice salt bag.
Further, the concrete steps of preparing the hose with the glass transition temperature of-10 ℃ to-20 ℃ in the step 1.1) are as follows:
1.1.1) preparing a soft film by using a flexible material with the glass transition temperature of-10 to-20 ℃;
1.1.2) cutting the soft film to obtain a strip-shaped sheet;
1.1.3) selecting a bar material with the circumference being at least 0.5mm shorter than the width of the sheet material and the length being longer than the length of the sheet material, coating the sheet material along the length direction of the bar material, overlapping the edge of one long edge of the sheet material on the edge of the other long edge along the circumferential direction of the bar material, and bonding the overlapped part;
1.1.4) extracting the bar to obtain a hose.
Further, in the step 1.1), the hose is made of polyvinyl chloride.
Further, the packaging in the step 1.3) and the step 2.4) adopts heat sealing.
Further, the length of the sheet in the step 1.1.2) is 100 +/-2 mm, and the width of the sheet is 2 +/-0.1 mm;
the predetermined distance in step 1.3) is 2mm and the predetermined length in step 1.4) is 20 mm.
Further, the first predetermined mass in step 2.1) is 100 g;
the second predetermined mass in step 2.2) is 50 g;
the predetermined number of mass units a and B in step 2.3) is the same.
Compared with the prior art, the invention has the following beneficial effects:
1. the stimulated self-cooling low-temperature ice salt bag provided by the invention designs the sealed ice salt bag structure through the steps of water drop packaging, salt particle premixing and the like, can quickly prepare low-temperature conditions under the conditions of no water injection and no water immersion, effectively solves the problem of poor practicability caused by the fact that the bag expansion, leakage and other faults are easily caused by large volume expansion in the icing process by adopting the water drop packaging, and overcomes the defect of high risk of water injection or water immersion and sealing failure before the multi-component chemical ice bag is used by adopting the salt particle premixing.
2. The stimulated self-refrigerating low-temperature ice salt bag provided by the invention can realize self-refrigerating through short-time low-temperature (-20 ℃ for 1 hour), and avoids the problem that daily use guarantee is difficult due to long time consumption of deep cold storage of a multi-component chemical ice bag (-20 ℃ for 5 to 12 hours, wherein the time of refrigeration is different according to high polymer components).
3. The stimulated self-refrigerating low-temperature ice salt bag provided by the invention utilizes a phase change mechanism of a mixture of sodium chloride and ice to realize deep cold storage, the cold storage capacity is superior to that of the traditional water-based ice bag, and the material cost is lower than that of a multi-component chemical ice bag.
Drawings
FIG. 1 is a schematic representation of step 1.1.3) of the present invention;
description of reference numerals:
1-sheet, 2-bar.
Detailed Description
The invention is further described below with reference to the figures and examples.
An excited self-refrigerating low-temperature ice salt bag is prepared by the following steps:
1) encapsulating water droplets
1.1) obtaining a hose
Selecting or preparing a hose with the glass transition temperature of-10 ℃ to-20 ℃, wherein the hose is made of polyvinyl chloride,
the steps for preparing the hose with the glass transition temperature of-10 ℃ to-20 ℃ are as follows:
1.1.1) selecting a flexible material with the glass transition temperature of-10 to-20 ℃ to prepare a flexible film according to GB/T3830-2008 'Flexible polyvinyl chloride calendered film and sheet', wherein the wall thickness of the flexible film is 0.020mm +/-0.002 mm;
1.1.2) cutting the soft film to obtain a strip-shaped sheet material 1, wherein the length of the sheet material 1 is 100 +/-2 mm, and the width of the sheet material 1 is 2 +/-0.1 mm;
1.1.3) selecting a stainless steel bar 2 with the circumference at least 0.5mm shorter than the width of the sheet 1 and the length of 120mm +/-2 mm, coating the sheet 1 along the length direction of the bar 2, overlapping the edge of one long edge of the sheet 1 on the edge of the other long edge along the annular direction of the bar 2, and bonding the overlapped part;
1.1.4) extracting the bar 2 to obtain a hose;
1.2) Water injection
The hose is filled with water, and the water temperature, impurities and the like are executed according to GB5749 sanitary Standard for Drinking Water;
1.3) encapsulation
Adopting a contact type heat sealing device, carrying out heat sealing on two ends of the hose filled with water for one time along the length direction of the hose for 2mm to form a plurality of mutually separated water drops;
1.4) truncation
Cutting the packaged hose into a plurality of small sections with water drops packaged in the size of about 20mm, and naturally drying;
2) premixing and packaging components
2.1) weighing 100g of the dried small sections obtained in the step 1.4), and recording as a mass unit A;
2.2) preparing sodium chloride according to GB5461-2000 edible salt, weighing 50g of sodium chloride, and recording as a mass unit B;
2.3) putting the same quantity of the quality units A and the quality units B into the same glass container, and uniformly stirring to prepare premix;
and 2.4) filling the premix into a sealed bag with proper capacity and glass transition temperature lower than-30 ℃ according to application requirements, and sealing the opening of the bag by heat to obtain the ice salt bag.
3) Low-temp. short-time exciting self-refrigerating
3.1) putting the ice salt bag into a-20 ℃ environment for freezing for 1 hour;
3.2) taking the frozen salt bag out of the environment at-20 ℃.
The stainless steel bars involved in the steps and the public knowledge of the industries such as bonding, cutting, stirring and the like are executed according to the general technical specification and the technical requirements of the representation target.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and it is obvious for a person skilled in the art to modify the specific technical solutions described in the foregoing embodiments or to substitute part of the technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions protected by the present invention.
Claims (6)
1. An excited self-refrigerating low-temperature ice salt bag is characterized by being prepared by the following steps:
1) encapsulating water droplets
1.1) obtaining a hose
Selecting or preparing a hose with the glass transition temperature of-10 to-20 ℃;
1.2) Water injection
Filling the hose with water;
1.3) encapsulation
After two ends of the hose filled with water are packaged, packaging is carried out at intervals of a preset distance along the length direction of the hose to form a plurality of mutually separated water drops;
1.4) truncation
Cutting the packaged hose into a plurality of small sections with preset lengths and packaged with water drops, and naturally drying;
2) premixing and packaging components
2.1) weighing a first preset mass of the dried small section obtained in the step 1.4), and recording as a mass unit A;
2.2) weighing a second preset mass of sodium chloride, and recording as a mass unit B;
2.3) putting a predetermined amount of the mass units A and the mass units B into the same container, and uniformly stirring to prepare premix;
and 2.4) filling the premix into a sealed bag with the glass transition temperature lower than-30 ℃, and packaging the opening of the bag to obtain the ice salt bag.
2. The stimulated self-refrigerating low-temperature ice salt bag according to claim 1, wherein the specific steps of preparing the hose with the glass transition temperature of-10 ℃ to-20 ℃ in the step 1.1) are as follows:
1.1.1) preparing a soft film by using a flexible material with the glass transition temperature of-10 to-20 ℃;
1.1.2) cutting the soft film to obtain a strip-shaped sheet (1);
1.1.3) selecting a bar (2) with the circumference being at least 0.5mm shorter than the width of the sheet (1) and the length being longer than the length of the sheet (1), coating the sheet (1) along the length direction of the bar (2), overlapping the edge of one long side of the sheet (1) on the edge of the other long side along the circumferential direction of the bar (2), and bonding the overlapped part;
1.1.4) extracting the bar (2) to obtain the hose.
3. The excited self-refrigerating cryogenic ice-salt bag according to claim 2, wherein:
in the step 1.1), the hose is made of polyvinyl chloride.
4. The excited self-refrigerating cryogenic ice salt bag of claim 3, wherein:
the packaging in step 1.3) and step 2.4) adopts heat sealing.
5. The excited self-refrigerating cryogenic ice salt bag of claim 4, wherein:
in the step 1.1.2), the length of the sheet (1) is 100 +/-2 mm, and the width of the sheet is 2 +/-0.1 mm;
the predetermined distance in step 1.3) is 2mm and the predetermined length in step 1.4) is 20 mm.
6. The excited self-refrigerating cryogenic ice salt bag of claim 5, wherein:
the first predetermined mass in step 2.1) is 100 g;
the second predetermined mass in step 2.2) is 50 g;
the predetermined number of mass units a and B in step 2.3) is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011459782.7A CN112629095B (en) | 2020-12-11 | 2020-12-11 | Stimulated self-refrigerating low-temperature ice salt bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011459782.7A CN112629095B (en) | 2020-12-11 | 2020-12-11 | Stimulated self-refrigerating low-temperature ice salt bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112629095A true CN112629095A (en) | 2021-04-09 |
| CN112629095B CN112629095B (en) | 2022-07-19 |
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| CN202011459782.7A Active CN112629095B (en) | 2020-12-11 | 2020-12-11 | Stimulated self-refrigerating low-temperature ice salt bag |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005054064A (en) * | 2003-08-05 | 2005-03-03 | Osaka Gas Co Ltd | Solid heat storage material |
| WO2006123931A2 (en) * | 2005-05-20 | 2006-11-23 | M. Breedveldt Beheer B.V. | Device for cooling objects, in particular a cooling mantle for beverage containers |
| CN203341897U (en) * | 2013-06-17 | 2013-12-18 | 王坤 | Cold and hot compress bag |
| CN104224432A (en) * | 2013-06-14 | 2014-12-24 | 拉彼德援助股份公司 | Method of manufacturing disposable cold pack and related disposable cold pack containing urea and ammonium chloride |
| CN105650958A (en) * | 2016-02-26 | 2016-06-08 | 宁波保税区韬鸿化工科技有限公司 | Refrigerating device |
-
2020
- 2020-12-11 CN CN202011459782.7A patent/CN112629095B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005054064A (en) * | 2003-08-05 | 2005-03-03 | Osaka Gas Co Ltd | Solid heat storage material |
| WO2006123931A2 (en) * | 2005-05-20 | 2006-11-23 | M. Breedveldt Beheer B.V. | Device for cooling objects, in particular a cooling mantle for beverage containers |
| CN104224432A (en) * | 2013-06-14 | 2014-12-24 | 拉彼德援助股份公司 | Method of manufacturing disposable cold pack and related disposable cold pack containing urea and ammonium chloride |
| CN203341897U (en) * | 2013-06-17 | 2013-12-18 | 王坤 | Cold and hot compress bag |
| CN105650958A (en) * | 2016-02-26 | 2016-06-08 | 宁波保税区韬鸿化工科技有限公司 | Refrigerating device |
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| Publication number | Publication date |
|---|---|
| CN112629095B (en) | 2022-07-19 |
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