CN115654803A - Ice bag for cooling and preserving fresh marine products and its making method - Google Patents
Ice bag for cooling and preserving fresh marine products and its making method Download PDFInfo
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- CN115654803A CN115654803A CN202211702972.6A CN202211702972A CN115654803A CN 115654803 A CN115654803 A CN 115654803A CN 202211702972 A CN202211702972 A CN 202211702972A CN 115654803 A CN115654803 A CN 115654803A
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- cavity
- heat absorption
- slow release
- medicament
- cold
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- 238000001816 cooling Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 7
- 238000010521 absorption reaction Methods 0.000 claims abstract description 117
- 238000009825 accumulation Methods 0.000 claims abstract description 109
- 239000003814 drug Substances 0.000 claims abstract description 97
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000005457 ice water Substances 0.000 claims abstract description 9
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 46
- 239000003795 chemical substances by application Substances 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 26
- 235000019270 ammonium chloride Nutrition 0.000 claims description 23
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 21
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 14
- 238000007710 freezing Methods 0.000 claims description 11
- 230000008014 freezing Effects 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000011232 storage material Substances 0.000 abstract description 3
- 239000007787 solid Substances 0.000 description 6
- 241000237502 Ostreidae Species 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 235000020636 oyster Nutrition 0.000 description 5
- 238000013268 sustained release Methods 0.000 description 5
- 239000012730 sustained-release form Substances 0.000 description 5
- 235000014102 seafood Nutrition 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 235000015110 jellies Nutrition 0.000 description 2
- 239000008274 jelly Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
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Abstract
The invention relates to the technical field of marine product cold fresh storage and transportation, in particular to an ice bag for cooling and fresh keeping of fresh marine products, which has strong cold storage and heat absorption capacity and good fresh keeping effect, can prevent the pollution of the existing cold fresh cold storage agent to the marine products, and prolongs the cooling and fresh keeping time, and a manufacturing method thereof, and is characterized in that the ice bag is provided with an outer bag body, an inner bag body is arranged in the outer bag body, a first cold storage and heat absorption cavity is formed between the outer bag body and the inner bag body, ice water is filled in the first cold storage and heat absorption cavity, a medicament cavity and a second cold storage and heat absorption cavity are arranged in the inner bag body, the second cold storage and heat absorption cavity is separated from the medicament cavity through a diaphragm, a slow release component is arranged on the diaphragm, the slow release component comprises a slow release part main body with a strip-shaped tube cavity, two ends of the slow release part main body are respectively communicated with the second cold storage and heat absorption cavity and the medicament cavity, and a large part of the slow release part main body is also provided with a large part of the large part arranged in the medicament cavity; the second cold accumulation and heat absorption cavity and the slow release component are filled with water, and the medicament cavity is filled with cold accumulation and heat absorption medicament.
Description
Technical Field
The invention relates to the technical field of marine product cold and fresh storage and transportation, in particular to an ice bag for fresh marine products and a manufacturing method thereof, wherein the ice bag has strong cold and heat accumulation capacity and good fresh-keeping effect, can prevent the marine products from being polluted by the existing cold and fresh cold accumulation agent, and prolongs the cooling and fresh-keeping time.
Background
Spring, summer and autumn, fresh marine product when the transportation to the fresh oyster of below 10 jin of weight packing, can be because of the high death that becomes bad of temperature, bring the loss for trade company and consumer, in order to solve above-mentioned problem, everybody generally adopts the way of placing the ice bag in the foam insulation can, reduces the temperature of incasement, guarantees that the oyster is not opened, and the reduction is dead. However, since the insulation performance of the currently used insulation can is limited, even if the ice bag is placed in the foam insulation can, when the box body is exposed to an environment with a temperature of more than 22 ℃, the ice bag in the box body can be melted within 10 to 25 hours, and the cooling effect is lost. However, the current logistics for express delivery requires at least 36 to 72 hours of transportation delivery time within a 1000 km radius, and some logistics, although using cold chain transportation in part of the process, cannot guarantee delivery to the consumer within the remaining 10 to 25 hours.
In addition, in order to improve the cold storage effect of the ice bag, ice bag manufacturers mix cold storage agents or other additives into the contents of the ice bag, and it is common to add sodium polyacrylate and other water polymers including starch into ice water to relieve the overflow of the melted liquid caused by the breakage of the ice bag. However, due to the particularity of marine products with shells, such as oysters, the ice bag is punctured by the oyster shells or is rubbed and collided during transportation to damage the outer package of the ice bag, so that the content of the ice bag overflows, the death of the oysters is accelerated, and the hidden danger of food pollution is also caused.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the invention provides an ice bag for cooling and refreshing fresh and alive marine products and a manufacturing method thereof, wherein the ice bag can be prefabricated in batches, can be directly put into a packaging box when in use, has long cold accumulation and heat absorption period, and has a non-flowing colloid content after cold accumulation is finished, so that the problem that the marine products are polluted in a large range by the content liquid due to the damage of a packaging bag is solved.
The invention is achieved by the following measures:
an ice bag for cooling and refreshing fresh marine products is characterized by comprising an outer bag body, an inner bag body is arranged in the outer bag body, a first cold accumulation and heat absorption cavity is formed between the outer bag body and the inner bag body, ice water is filled in the first cold accumulation and heat absorption cavity, a medicament cavity and a second cold accumulation and heat absorption cavity are arranged in the inner bag body, the second cold accumulation and heat absorption cavity is separated from the medicament cavity through a diaphragm, a slow release assembly is arranged on the diaphragm, the slow release assembly comprises a slow release part main body with a strip-shaped tube cavity, two ends of the slow release part main body are respectively communicated with the second cold accumulation and heat absorption cavity and the medicament cavity, an expansion part is further arranged on the slow release part main body, and the expansion part is positioned in the medicament cavity; the second cold accumulation and heat absorption cavity and the slow release component are filled with water, and the medicament cavity is filled with cold accumulation and heat absorption medicament.
The slow release part main body is provided with two continuous expansion parts, and the inner diameter of a connecting section between the two continuous expansion parts does not exceed the pipe diameter of the slow release assembly.
The outer bag and the inner bag are both made of flexible waterproof materials, and the sustained-release part main body and the expanded part arranged on the sustained-release part main body are made of integrated hard plastics; the pipe diameter range of the slow release assembly on the diaphragm is 3-4mm, the inner diameter range of the expansion part is 12-20mm, and the expansion part on the slow release part main body is used for containing liquid cold-storage agent which can be solidified after being frozen, such as water, and the like, so as to furthest block a pipe cavity which is communicated with the medicament cavity in the slow release assembly.
The cold and heat accumulation medicament in the medicament cavity comprises the following components: 30-60 parts of ammonium chloride and 15-30 parts of sodium polyacrylate; ammonium chloride in the cold and heat accumulation medicament is powdery, sodium polyacrylate is powdery, and the mixing ratio of the ammonium chloride to the sodium polyacrylate is 5.
According to the invention, preferably, 300ml of water is filled in the first cold accumulation and heat absorption cavity, 200ml of water is filled in the second cold accumulation and heat absorption cavity, and 50g of ammonium chloride and 20g of sodium polyacrylate powder are filled in the medicament cavity.
The invention also provides a manufacturing method of the ice bag for cooling and preserving the fresh marine products, which is characterized by comprising the following steps:
step 1: filling the liquid cold accumulation agent into the second cold accumulation and heat absorption cavity of the inner bag and the slow release component, sealing the second cold accumulation and heat absorption cavity of the inner bag, freezing the inner bag body to solidify the liquid cold accumulation and heat absorption cavity and the slow release component, and opening the medicament cavity on the inner bag;
and 2, step: preparing and filling a cold accumulation medicament, taking ammonium chloride and sodium polyacrylate powder according to a ratio, filling the cold accumulation medicament into a medicament cavity of the inner bag, and sealing the opening of the medicament cavity of the inner bag after the filling is finished so as to simultaneously complete the sealing of the medicament cavity and the second cold accumulation and heat absorption cavity;
and step 3: placing the sealed inner bag into an outer bag filled with liquid cold storage and heat absorption agents, sealing one end of the outer bag before placing the inner bag, and opening the other end of the outer bag, and sealing the opening of the outer bag after placing the inner bag to obtain an ice bag prefabricated product;
and 4, step 4: freezing the ice bag prefabricated product obtained in the step 3 in a quick freezing environment at the temperature of-20 ℃;
and 5: when the temperature needs to be lowered and kept, the ice bag with the temperature of minus 20 ℃ is directly placed on the marine products filled in the heat preservation box.
The liquid cold accumulation heat absorption agent is water or brine.
When the ice bag is used, ice at the temperature of-20 ℃ is used as a cold accumulation and heat absorption agent in the first cold accumulation and heat absorption cavity between the outer bag and the inner bag, the first cold accumulation and heat absorption cavity is positioned on the outermost side of the ice bag, after the ice in the first cold accumulation and heat absorption cavity is completely melted, the ice in the second cold accumulation and heat absorption cavity begins to be gradually melted under the influence of the external environment temperature, because the slow release component is arranged on the diaphragm between the second cold accumulation and heat absorption cavity and the medicament cavity, when and only when the cold accumulation and heat absorption agent in the slow release component is completely melted, the medicament in the medicament cavity can be melted with the liquid cold accumulation and heat absorption agent in the second heat absorption cavity, and when ammonium chloride in the medicament cavity is dissolved in water, a large amount of heat is absorbed, the ambient temperature can be continuously reduced on the basis of the cold keeping effect of the ice in the second cold accumulation and heat absorption cavity, and the cold keeping period and the cold keeping effect of the ice bag are obviously prolonged; in addition, when a large amount of ice in the second cold accumulation and heat absorption cavity is melted or even completely melted, the ammonium chloride solution in the medicament cavity forms a colloid substance with low fluidity under the action of the sodium polyacrylate, so that large-area pollution of marine products after the medicament is leaked is avoided.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a sustained-release section main body in embodiment 2 of the present invention.
Reference numerals: the cold-storage and heat-absorption medicine bag comprises an outer bag body 1, an inner bag body 2, a first cold-storage and heat-absorption cavity 3, a medicine cavity 4, a second cold-storage and heat-absorption cavity 5, a diaphragm 6 and an expansion part 7.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples.
As shown in the attached figure 1, the invention provides an ice bag for cooling and refreshing fresh and alive marine products, which is provided with an outer bag body 1, an inner bag body 2 is arranged in the outer bag body 1, a first cold accumulation and heat absorption cavity 3 is formed between the outer bag body 1 and the inner bag body 2, ice is filled in the first cold accumulation and heat absorption cavity 3, a medicament cavity 4 and a second cold accumulation and heat absorption cavity 5 are arranged in the inner bag body 2, the second cold accumulation and heat absorption cavity 5 and the medicament cavity 4 are separated by a diaphragm 6, a slow release component is arranged on the diaphragm 6, the slow release component comprises a slow release part main body with a strip-shaped tube cavity, two ends of the slow release part main body are respectively communicated with the second cold accumulation and heat absorption cavity 5 and the medicament cavity 4, an expansion part 7 is also arranged on the slow release part main body, and the expansion part 7 is positioned in the medicament cavity 4; the second cold accumulation and heat absorption cavity 5 and the slow release component are filled with water, and the medicament cavity 4 is filled with cold accumulation and heat absorption medicament.
The outer bag and the inner bag are both made of flexible waterproof materials, the slow release part main body and the expansion part arranged on the slow release part main body are made of integrated hard plastics, the pipe diameter range of the slow release component on the diaphragm is 3-4mm, the inner diameter range of the expansion part 7 is 12-20mm, and the expansion part on the slow release part main body is used for containing liquid cold-storage agent such as water and the like which can be solidified after being frozen, so that a pipe cavity communicated with the medicament cavity in the slow release component is blocked to the maximum extent.
The cold and heat accumulation medicament in the medicament cavity comprises the following components: 30-60 parts of ammonium chloride and 15-30 parts of sodium polyacrylate; the ammonium chloride in the cold and heat accumulation medicament is powdery, the sodium polyacrylate is powdery, and the mixing ratio of the ammonium chloride to the sodium polyacrylate is 5.
The invention also provides a manufacturing method of the ice bag for cooling and preserving the fresh and alive marine products, which is characterized by comprising the following steps:
step 1: filling the liquid cold accumulation agent into the second cold accumulation and heat absorption cavity 5 and the slow release component of the inner bag body 2, sealing the second cold accumulation and heat absorption cavity 5 of the inner bag, and freezing the inner bag body 2 at-20 ℃ to solidify the liquid cold accumulation and heat absorption agent in the second cold accumulation and heat absorption cavity 5 and the slow release component, wherein at the moment, the medicament cavity on the inner bag body 2 is opened;
step 2: preparing and filling a cold accumulation medicament, taking ammonium chloride and sodium polyacrylate powder according to a ratio, filling the cold accumulation medicament into the medicament cavity 4 of the inner bag body 2, and sealing the opening of the medicament cavity 4 of the inner bag body 2 after the filling is finished so as to simultaneously complete the sealing of the medicament cavity 4 and the second cold accumulation and heat absorption cavity 5;
and step 3: placing the sealed inner bag into an outer bag filled with a liquid cold accumulation and heat absorption agent, wherein one end of the outer bag before the inner bag is placed is closed, the other end of the outer bag is open, and after the inner bag is placed, the opening of the outer bag is sealed to obtain an ice bag prefabricated product;
and 4, step 4: freezing the ice bag prefabricated product obtained in the step 3 in a quick freezing environment at-20 ℃;
and 5: when the temperature needs to be reduced and kept, the ice bag with the temperature of minus 20 ℃ is directly put on the marine products filled in the heat preservation box.
The liquid cold accumulation heat absorption agent is water.
When the ice bag is used, ice or an ice-water mixture is used as a cold accumulation and heat absorption agent in the first cold accumulation and heat absorption cavity 3 between the outer bag body 1 and the inner bag body 2, the first cold accumulation and heat absorption cavity is located on the outermost side of the ice bag, ice in the first cold accumulation and heat absorption cavity 3 is completely melted, and the ice in the second cold accumulation and heat absorption cavity 5 starts to be gradually melted under the influence of the external environment temperature, because the slow release component is arranged on the diaphragm between the second cold accumulation and heat absorption cavity 5 and the medicament cavity 4, when and only when the cold accumulation and heat absorption agent in the slow release component is completely melted, the medicament in the medicament cavity can be melted with the liquid cold accumulation and heat absorption agent in the second cold accumulation and heat absorption cavity 5, ammonium chloride in the medicament cavity absorbs a large amount of heat when dissolved in water, the ambient temperature can be further reduced on the basis of the cold keeping effect of the ice in the second cold accumulation and heat absorption cavity 5, and the cold keeping period and the cold keeping effect of the ice bag are obviously prolonged; in addition, when a large amount of ice in the second cold accumulation and heat absorption cavity is melted or even completely melted, the ammonium chloride solution in the medicament cavity forms a colloid substance with low fluidity under the action of the sodium polyacrylate, so that the pollution caused by large-area leakage after the medicament is leaked is avoided.
Example 1:
the embodiment provides an ice bag capable of remarkably improving the cold storage and heat absorption period and the cold storage and fresh keeping effect of seafood products, wherein an outer bag body 1 is arranged, an inner bag body 2 is arranged in the outer bag body 1, a first cold storage and heat absorption cavity 3 is formed between the outer bag body 1 and the inner bag body 2, ice water is filled in the first cold storage and heat absorption cavity 3, a medicament cavity 4 and a second cold storage and heat absorption cavity 5 are arranged in the inner bag body, the second cold storage and heat absorption cavity 5 and the medicament cavity 4 are separated by a diaphragm 6, a slow release assembly is arranged on the diaphragm 6, the slow release assembly comprises a slow release part main body with a strip-shaped tube cavity, two ends of the slow release part main body are respectively communicated with the second cold storage and heat absorption cavity 5 and the medicament cavity 4, an expansion part 7 is also arranged on the slow release part main body, and the expansion part 7 is positioned in the medicament cavity 4; the second cold accumulation and heat absorption cavity 5 and the slow release component are filled with water, and the medicament cavity 4 is filled with cold accumulation and heat absorption medicament;
in the embodiment, 50g of ammonium chloride and 20g of sodium polyacrylate powder are filled in the medicine cavity 4, 300 g of water is filled in the first cold accumulation and heat absorption cavity 3, and 200 g of water is filled in the second cold accumulation and heat absorption cavity 5;
when the ice bag is manufactured, firstly, water or other liquid cold-storage heat-absorption agents are injected into the second cold-storage heat-absorption cavity 5, and when the water or other liquid cold-storage heat-absorption agents overflow into the expansion part 7 of the slow-release component along the second cold-storage heat-absorption cavity 5 and the liquid content exceeds 70-80% of the volume of the expansion part 7, the inner bag is placed in a freezing environment and is frozen at (-10 ℃);
when the liquid in the second cold and heat accumulation cavity 5 in the inner bag body is frozen into a solid state, taking out the inner bag body 2, filling the medicament cavity 4 with medicament, in this example, 50g of ammonium chloride and 20g of sodium polyacrylate powder are adopted, and sealing the inner bag body;
the inner bag body is arranged in the outer bag body 1, the cavity between the inner bag body 2 and the outer bag body 1 is a first cold accumulation and heat absorption cavity 3 at the moment, an ice-water mixture is filled in the first cold accumulation and heat absorption cavity 3, and the outer bag body is sealed, in the process, the content of the frozen inner bag body 2 is basically solid, the inner bag body 2 can be ensured to be positioned in the middle of the outer bag body 1, and the periphery of the inner bag body 2 is completely coated by a cold accumulation and heat absorption agent (ice water) in the first cold accumulation and heat absorption cavity 3.
And (4) freezing and refrigerating the prepared ice bag at the low temperature of minus 20 ℃ for later use.
When seafood is required to be transported or stored in a cold and fresh state, the ice bag arranged at the temperature of-20 ℃ is taken out and placed in an insulation can filled with seafood, in the transportation and storage process, firstly, the first cold accumulation and heat absorption cavity of the ice bag continuously accumulates cold and absorbs heat, in the process, the solid cold accumulation and heat absorption agent, namely ice, in the first cold accumulation and heat absorption cavity is slowly melted, when the cold accumulation and heat absorption agent in the first cold accumulation and heat absorption cavity is completely melted into a liquid state, the cold accumulation and heat absorption effect is obviously reduced, at the moment, the solid cold accumulation and heat absorption agent in the second cold accumulation and heat absorption cavity continuously absorbs heat and reduces the environmental temperature until the solid cold accumulation and heat absorption agent in the second cold accumulation and heat absorption cavity is completely melted, liquid water in the second heat absorption cavity overflows into the medicine cavity along the slow release component, and liquid cannot instantly fill the medicine cavity because the pipe diameter of the slow release component is within 3-4mm, slowly enters the medicine cavity and reacts with the medicine in the medicine cavity, so that the ammonium chloride filled in the medicine cavity is absorbed by the medicine, and the dissolved liquid forms a jelly under the action of sodium polyacrylate, thereby preventing the medicine from polluting the ice bag along the slow release component and delaying the whole refrigeration cycle of the ice bag;
in this example, 22.5 g of ammonium chloride was able to lower the temperature of 1000 g of water by 1 degree, and the solubility of ammonium chloride in water was 24.5g/100g at-15 ℃ and 29.4g/100g at 0 ℃.
Example 2:
the embodiment provides an ice bag for seafood product cooling insurance, which has good cold accumulation and heat absorption effects and can effectively avoid medicament pollution, and is provided with an outer bag body 1, an inner bag body 2 is arranged in the outer bag body 1, a first cold accumulation and heat absorption cavity 3 is formed between the outer bag body 1 and the inner bag body 2, ice water is filled in the first cold accumulation and heat absorption cavity 3, a medicament cavity 4 and a second cold accumulation and heat absorption cavity 5 are arranged in the inner bag body, the second cold accumulation and heat absorption cavity 5 and the medicament cavity 4 are separated by a diaphragm 6, a slow release component is arranged on the diaphragm 6, the slow release component comprises a slow release part main body with a strip-shaped tube cavity, two ends of the slow release part main body are respectively communicated with the second cold accumulation and heat absorption cavity 5 and the medicament cavity 4, an expansion part 7 is also arranged on the slow release part main body, and the expansion part 7 is positioned in the medicament cavity 4; the second cold accumulation and heat absorption cavity 5 and the slow release component are filled with water, and the medicament cavity 4 is filled with cold accumulation and heat absorption medicament;
as shown in fig. 2, the sustained-release part main body in this example is provided with two continuous expansion parts 7, and the inner diameter of the connecting section between the two continuous expansion parts 7 does not exceed the tube diameter of the sustained-release assembly;
in the embodiment, by arranging the two continuous expansion parts 7, the situation that when the solid matters in the second cold accumulation and heat absorption cavity are completely melted and flow to the medicament cavity, the medicament mixed solution in the medicament cavity cannot reversely flow back to the second cold accumulation and heat absorption cavity can be further ensured, so that the medicament mixed solution in the medicament cavity forms jelly with poor liquidity to the greatest extent under the action of the sodium polyacrylate, and the phenomenon that an ice bag pollutes external products after being broken is avoided.
Claims (7)
1. An ice bag for cooling and refreshing fresh marine products is characterized by comprising an outer bag body, an inner bag body is arranged in the outer bag body, a first cold accumulation and heat absorption cavity is formed between the outer bag body and the inner bag body, ice water is filled in the first cold accumulation and heat absorption cavity, a medicine cavity and a second cold accumulation and heat absorption cavity are arranged in the inner bag body, the second cold accumulation and heat absorption cavity is separated from the medicine cavity through a diaphragm, a slow release component is arranged on the diaphragm, the slow release component comprises a slow release part main body with a strip-shaped pipe cavity, two ends of the slow release part main body are respectively communicated with the second cold accumulation and heat absorption cavity and the medicine cavity, and an expansion part is further arranged on the slow release part main body and is positioned in the medicine cavity; the second cold accumulation and heat absorption cavity and the slow release component are filled with water, and the medicament cavity is filled with cold accumulation and heat absorption medicament.
2. The ice bag for cooling and refreshing fresh marine products according to claim 1, wherein two continuous expanding parts are arranged on the slow release part main body, and the inner diameter of a connecting section between the two continuous expanding parts does not exceed the pipe diameter of the slow release assembly.
3. The ice bag for cooling and refreshing fresh and alive marine products according to claim 1, wherein the outer bag and the inner bag are both made of flexible and waterproof materials, the slow release portion main body and the expanded portion arranged on the slow release portion main body are made of integrated hard plastics, the diameter of the slow release assembly on the diaphragm is 3-4mm, the inner diameter of the expanded portion is 12-20mm, and the expanded portion on the slow release portion main body is used for containing a liquid coolant which can be solidified after being frozen so as to maximally block a tube cavity communicated with the medicament cavity in the slow release assembly.
4. The ice bag for cooling and refreshing fresh marine products as claimed in claim 1, wherein the cold-storage and heat-absorption agent in the agent cavity comprises the following components: 30-60 parts of ammonium chloride and 15-30 parts of sodium polyacrylate; ammonium chloride in the cold and heat accumulation medicament is powdery, and sodium polyacrylate is powdery.
5. The ice bag for cooling and refreshing fresh and alive marine products according to claim 4, wherein the mixing ratio of ammonium chloride to sodium polyacrylate is 5.
6. The ice bag for cooling and refreshing fresh marine products as claimed in claim 1, wherein the first cold-storage and heat-absorption cavity is filled with 300ml of water, the second cold-storage and heat-absorption cavity is filled with 200ml of water, and the medicine cavity is filled with 50g of ammonium chloride and 20g of sodium polyacrylate powder.
7. A method for making an ice bag for cooling and preserving fresh marine products as claimed in any one of claims 1 to 6, comprising the steps of:
step 1: filling the liquid cold accumulation agent into the second cold accumulation and heat absorption cavity of the inner bag and the slow release component, sealing the second cold accumulation and heat absorption cavity of the inner bag, freezing the inner bag body to solidify the liquid cold accumulation and heat absorption cavity and the slow release component, and opening the medicament cavity on the inner bag;
step 2: preparing and filling a cold accumulation medicament, taking ammonium chloride and sodium polyacrylate powder according to a ratio, filling the cold accumulation medicament into a medicament cavity of the inner bag, and sealing the opening of the medicament cavity of the inner bag after the filling is finished so as to simultaneously complete the sealing of the medicament cavity and the second cold accumulation and heat absorption cavity;
and 3, step 3: placing the sealed inner bag into an outer bag filled with liquid cold storage and heat absorption agents, sealing one end of the outer bag before placing the inner bag, and opening the other end of the outer bag, and sealing the opening of the outer bag after placing the inner bag to obtain an ice bag prefabricated product;
and 4, step 4: freezing the ice bag prefabricated product obtained in the step 3 in a quick freezing environment at-20 ℃;
and 5: when the temperature needs to be reduced and kept, the ice bag with the temperature of minus 20 ℃ is directly put on the marine products filled in the heat preservation box.
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| JPH1089821A (en) * | 1996-09-10 | 1998-04-10 | Sanyo Electric Co Ltd | Heat storage and cold storage fluid |
| JPH10234767A (en) * | 1997-02-27 | 1998-09-08 | Futaba Kagaku:Kk | Heat storage pack and heat storage pack tool |
| US6422032B1 (en) * | 2001-01-24 | 2002-07-23 | Gary Keith Greene | Reusable cooler bag |
| US6675606B1 (en) * | 2002-06-28 | 2004-01-13 | Birdsall L. Jones | Cooler with combination ice pack and canteen |
| US7240513B1 (en) * | 2004-04-12 | 2007-07-10 | Conforti Carl J | Thermally-controlled package |
| US20070157657A1 (en) * | 2006-01-09 | 2007-07-12 | Fogerty Mary E | Cool bags |
| US20140226920A1 (en) * | 2013-02-13 | 2014-08-14 | Canyon Products, Llc | Fully insulated heat sealed soft cooler bag and method |
| CN209512351U (en) * | 2019-01-16 | 2019-10-18 | 南京苏味源生物科技有限公司 | A kind of break-resistance ice bag |
| CN115243568A (en) * | 2019-09-12 | 2022-10-25 | 努利希尔有限公司 | Controlled release core-shell particles and suspensions containing same |
| CN112849761A (en) * | 2020-11-06 | 2021-05-28 | 王冀苍 | Slow-release oxygen ice box, slow-release oxygen fresh-keeping transport case and live seafood product transport method |
| CN215892883U (en) * | 2021-06-16 | 2022-02-22 | 福建省广大联合环保科技有限公司 | Water injection type slow-release ice bag capable of injecting high-concentration ozone water |
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| CN115654803B (en) | 2023-03-10 |
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