CN114223825A - Fine-temperature air-conditioning fresh-keeping storehouse and construction method - Google Patents
Fine-temperature air-conditioning fresh-keeping storehouse and construction method Download PDFInfo
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- CN114223825A CN114223825A CN202111681080.8A CN202111681080A CN114223825A CN 114223825 A CN114223825 A CN 114223825A CN 202111681080 A CN202111681080 A CN 202111681080A CN 114223825 A CN114223825 A CN 114223825A
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- air
- temperature
- shelves
- conditioned
- storehouse
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000007306 turnover Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 10
- 230000003068 static effect Effects 0.000 claims description 9
- 239000003507 refrigerant Substances 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 4
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- 238000004321 preservation Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 7
- 230000003750 conditioning effect Effects 0.000 description 5
- 238000004320 controlled atmosphere Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/36—Freezing; Subsequent thawing; Cooling
- A23L3/363—Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus with or without shaping, e.g. in form of powder, granules, or flakes
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention relates to a smart temperature air conditioning fresh-keeping storehouse and a construction method, wherein the method comprises the following steps: placing a plurality of shelves in the storeroom, wherein each shelf has a preset height and a preset width, and every two adjacent shelves are separated by a preset distance; placing one or more air-conditioned turnover boxes meeting the air tightness requirement on a shelf, wherein the air inlets of the air-conditioned turnover boxes are connected to air-conditioned equipment, and the air-conditioned equipment is used for providing nitrogen with preset purity for the air-conditioned turnover boxes; one or more air coolers are placed in the warehouse, and the placement position of each air cooler enables the cold air sent by each air cooler to form circulating airflow among a plurality of shelves; according to the construction method, the precise temperature air conditioning preservation storehouse can be reasonably constructed.
Description
Technical Field
The invention relates to the technical field of controlled atmosphere preservation, in particular to a controlled atmosphere preservation storehouse and a construction method.
Background
The modified atmosphere preservation technology is a high-grade form of article preservation, and proper low temperature is the basis of modified atmosphere preservation. At present, in the controlled atmosphere fresh-keeping storehouse, the form of air return of the air supply side wall of the top static pressure box is adopted for ensuring the temperature control precision and the temperature uniformity, and the problem of the temperature control precision and the temperature uniformity is solved by the air supply and air return form. However, the arrangement of the static pressure box and the side wall air return channel occupies the storage space of the warehouse, and the utilization rate of the warehouse space is reduced.
Disclosure of Invention
Aiming at the technical problems in the prior art, the application provides a fine-temperature air-conditioning fresh-keeping storehouse and a construction method thereof, and the problem that the utilization rate of storehouse space is reduced due to the fact that a static pressure box and a side wall air return channel are arranged in the conventional air-conditioning fresh-keeping storehouse can be solved.
The application provides a construction method of a smart temperature air conditioning fresh-keeping storehouse, which is characterized by comprising the following steps: placing a plurality of shelves in the storeroom, wherein each shelf has a preset height and a preset width, and every two adjacent shelves are separated by a preset distance; placing one or more air-conditioned turnover boxes meeting the air tightness requirement on the goods shelves, wherein the air inlets of the air-conditioned turnover boxes are connected to air-conditioned equipment, and the air-conditioned equipment is used for providing nitrogen with preset purity for the air-conditioned turnover boxes; one or more air coolers are placed in the warehouse, and the placement position of each air cooler enables the cold air sent out by each air cooler to form circulating airflow among a plurality of shelves; wherein, the storehouse is not provided with the static pressure box.
Optionally, a plurality of shelves are arranged in parallel with each other, an aisle between two adjacent shelves is used for circulating airflow to pass through, and one or more air coolers are arranged above the aisle.
Optionally, a plurality of shelves occupy a rectangular area; one or more air-coolers include first air-cooler and second air-cooler, and first air-cooler and second air-cooler set up on the diagonal of rectangular region.
Optionally, a temperature compensator is disposed near an air outlet of one or more air coolers for controlling the supply air temperature of the air cooler.
Optionally, a temperature sensor is arranged in the warehouse and used for acquiring environmental temperature parameters in the warehouse and sending the environmental temperature parameters to the temperature compensator.
Optionally, a temperature sensor is arranged in one or more air coolers and used for acquiring the working temperature parameters of the one or more air coolers and sending the parameters to the temperature compensator.
Optionally, a plurality of goods spaces are arranged in a single shelf, and a plurality of modified atmosphere turnover boxes are stacked on one goods space.
Optionally, a nitrogen conveying pipeline is arranged in the storeroom and used for conveying nitrogen generated by the modified atmosphere equipment to the modified atmosphere turnover box.
Optionally, an electronic expansion valve is arranged inside the air cooler and used for adjusting the flow of the refrigerant in the air cooler.
The embodiment of the application also provides a fine temperature air conditioning fresh-keeping storehouse which is constructed according to the method.
The embodiment of the application aims at the problems of the current controlled atmosphere fresh-keeping storehouse, and under the premise of ensuring the temperature control precision and the temperature uniformity, a static pressure box and a side air return structure in the traditional controlled atmosphere fresh-keeping storehouse are abandoned, so that the using volume of the storehouse is increased, the space utilization rate of the storehouse is improved, and the construction difficulty of the arrangement of fresh-keeping equipment is reduced; because the air-conditioning turnover box is used for replacing the traditional turnover basket in the storehouse, the turnover boxes can be stacked, and the space utilization rate of the storehouse is further improved.
Drawings
Preferred embodiments of the present invention will now be described in further detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic flow chart of a method for constructing a fine-temperature air-conditioning fresh-keeping warehouse according to an embodiment of the present application;
fig. 2 is a schematic view of a working state of a fine temperature air-conditioning fresh-keeping warehouse according to an embodiment of the present application;
FIG. 3 is a schematic top view of a fine temperature air-conditioned fresh keeping warehouse according to an embodiment of the present application;
fig. 4 is a schematic front view of a fine-temperature air-conditioning fresh-keeping warehouse according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following detailed description, reference is made to the accompanying drawings that form a part hereof and in which is shown by way of illustration specific embodiments of the application. In the drawings, like numerals describe substantially similar components throughout the different views. Various specific embodiments of the present application are described in sufficient detail below to enable those skilled in the art to practice the teachings of the present application.
Fig. 1 is a schematic flow chart of a method for constructing a smart temperature air-conditioning fresh-keeping warehouse according to an embodiment of the present application, and fig. 2 is a schematic working state diagram of the smart temperature air-conditioning fresh-keeping warehouse according to an embodiment of the present application. As shown in fig. 1, the method for constructing a fine-temperature air-conditioning fresh-keeping warehouse provided by the embodiment of the present application includes the following steps 101 to 103.
Step 101: a plurality of shelves are arranged in the storehouse, each shelf has a preset height and a preset width, and two adjacent shelves are separated by a preset distance.
Step 102: one or more air-conditioned turnover boxes meeting the air tightness requirement are placed on the goods shelves, the air inlets of the air-conditioned turnover boxes are connected to air-conditioned equipment, and the air-conditioned equipment is used for providing nitrogen with preset purity for the air-conditioned turnover boxes.
Step 103: one or more air coolers are placed in the warehouse, and the placement position of each air cooler enables the cold air sent out by each air cooler to form circulating airflow among a plurality of shelves; wherein, the storehouse is not provided with the static pressure box.
Specifically, as shown in fig. 2, the fine temperature air-conditioning fresh-keeping warehouse 10 includes: and a plurality of shelves 101 disposed in the fine temperature air-conditioned fresh-keeping storehouse 10, wherein a single shelf 101 has a predetermined height and a predetermined width, and two adjacent shelves 101 are spaced apart from each other by a predetermined distance. One or more gas conditioning boxes 102 are placed on the shelves 101, the gas inlets (not shown) of the gas conditioning boxes 102 are connected to a gas conditioning apparatus 103, and the gas conditioning apparatus 103 supplies nitrogen gas of a predetermined purity to the gas conditioning boxes 102. One or more air coolers 104 are placed in the fine temperature air conditioning and fresh keeping warehouse 10, and the placement positions of the air coolers 104 enable the cold air sent out by the air coolers 105 to form circulating air flow among the shelves 101; wherein, there is not static pressure case in smart temperature air conditioning fresh-keeping storehouse 10.
Thus, by reasonably arranging the positions of the goods shelves 101 and the air cooler 104, on the premise of ensuring the temperature control precision and the temperature uniformity, a static pressure box and a side air return structure in the traditional air-conditioned fresh-keeping storehouse are abandoned, the using volume of the storehouse is increased, the space utilization rate of the storehouse is improved, and the construction difficulty of the arrangement of fresh-keeping equipment is reduced; because the modified atmosphere storage room 10 uses the modified atmosphere transfer box 102 to replace the traditional transfer basket, the modified atmosphere transfer boxes 102 can be stacked, thus further improving the space utilization rate of the modified atmosphere storage room 10.
In some embodiments, optionally, a plurality of shelves are disposed parallel to each other, an aisle between two adjacent shelves is configured to pass a circulating airflow, and one or more air coolers are disposed above the aisle.
Fig. 3 is a schematic top view of a fine-temperature air-conditioning fresh-keeping warehouse according to an embodiment of the present application, and as shown in fig. 3, a plurality of shelves 101 are arranged in parallel, a passageway 105 between two adjacent shelves 101 is used for a circulating airflow to pass through, one or more air coolers 104 are located above the passageway 105, and the airflow sent by the air coolers 104 circulates in the passageway 105. In some embodiments, multiple air coolers 104 are optionally longer and can extend above the same aisle 105. Fig. 3 is a schematic front view of a fresh-keeping storehouse with fine air conditioning according to an embodiment of the present invention, and as shown in fig. 3, two air coolers extending above the same aisle 105 respectively send air flows in opposite directions, so as to form two opposite air flows on the aisle 105, and the two opposite air flows meet and sink in the aisle 105 to form two circulation paths.
In this way, because a plurality of shelves 101 are placed in parallel to each other and the air-cooler is placed above the aisle 105 formed between the shelves 101 for the air current can circulate through the flow of aisle 105, form the air current passageway, make the interior gas flow of storehouse even controllable.
In some embodiments, optionally, a plurality of shelves occupy a rectangular area; one or more air-coolers include first air-cooler and second air-cooler, and first air-cooler and second air-cooler set up on the diagonal of rectangular region.
Specifically, with continued reference to fig. 3, as shown in fig. 3, the plurality of shelves 101 form a rectangular area, and the one or more air coolers 104 include a first air cooler 1041 and a second air cooler 1042, the first air cooler 1041 and the second air cooler 1042 being located on diagonal lines of the rectangular area.
In this way, the cool air from the first air cooler 1041 and the second air cooler 1042 can cover most of the modified atmosphere transfer box 102, so that the airflow in the warehouse 10 is more uniform.
In some embodiments, a temperature compensator is optionally disposed near the outlet of one or more air coolers to control the temperature of the air supplied by the air coolers. As shown in fig. 3, a temperature compensator is disposed near the air outlet of one or more air coolers 104 for controlling the air supply temperature of the air coolers 104. In some embodiments, the temperature compensator optionally employs a Proportional-Integral-Derivative (PID) regulation technique. Like this, through set up temperature compensator at the air-cooler air outlet, can be according to the temperature automatic adjustment air-cooler air supply temperature in the storehouse for the temperature variation in storehouse is no longer than 0.5 degree centigrade.
In some embodiments, optionally, a temperature sensor is disposed in the warehouse for collecting the ambient temperature parameter in the warehouse and sending the ambient temperature parameter to the temperature compensator. Specifically, a temperature sensor, for example, a high-precision temperature sensor, is disposed in the warehouse 10, and is used for acquiring an ambient temperature parameter in the warehouse and sending the ambient temperature parameter to the temperature compensator.
In this way, the temperature sensor in the warehouse 10 can sense the temperature in the warehouse 10 and send the temperature to the temperature compensator, so that the temperature in the warehouse 10 can be adjusted in a more accurate range.
In some embodiments, optionally, a temperature sensor is disposed within the one or more air coolers for collecting and transmitting operating temperature parameters of the one or more air coolers to the temperature compensator. Specifically, a temperature sensor is arranged in one or more air coolers 104, and is used for acquiring working temperature parameters of the one or more air coolers 104 and sending the working temperature parameters to a temperature compensator. Thus, the temperature compensator can adjust the air supply temperature of the air cooler 104 more accurately according to the working temperature parameters in the air cooler 104.
In some embodiments, optionally, a single shelf has multiple cargo spaces therein, and multiple modified atmosphere containers are stacked on one cargo space. With continued reference to fig. 2, as shown in fig. 2, a plurality of cargo spaces 106 are provided in a single shelf 101, and a plurality of modified atmosphere containers 102 are stacked on one cargo space 106.
In this way, by stacking a plurality of air-conditioned turnover boxes 102 on one cargo space 106, the quantity of articles stored in the storeroom 10 is increased and the space utilization rate of the storeroom 10 is improved under the condition that the volume of the storeroom 10 is not changed.
In some embodiments, optionally, a nitrogen delivery pipe is provided in the warehouse for delivering nitrogen generated by the modified atmosphere equipment to the modified atmosphere transfer box. As shown in fig. 1, the fine-temperature atmosphere preservation warehouse 10 is provided with a nitrogen conveying pipeline 104 for conveying nitrogen with a preset purity generated by the atmosphere control equipment 103 into the atmosphere control transfer box 102, so that the atmosphere in the atmosphere control transfer box 102 is subjected to atmosphere control treatment without moving the atmosphere control transfer box 102, and the preservation period of the articles in the atmosphere control transfer box 102 is further increased.
In some embodiments, optionally, an electronic expansion valve is provided inside the air cooler for refrigerant flow regulation inside the air cooler. Specifically, an electronic expansion valve is disposed inside the air cooler 104, and is used for adjusting the flow of the refrigerant inside the air cooler 104. Thus, compared with the traditional thermal expansion valve, the flow regulation of the refrigerant is quicker and more accurate, the advantage is obvious, and the refrigerating capacity of the air cooler 104 is always matched with the heat load in the warehouse 10.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the scope of the present invention, and therefore, all equivalent technical solutions should fall within the scope of the present invention.
Claims (10)
1. A construction method of a precise temperature air conditioning fresh-keeping storehouse is characterized by comprising the following steps:
placing a plurality of shelves in the storeroom, wherein each shelf has a preset height and a preset width, and every two adjacent shelves are separated by a preset distance;
placing one or more air-conditioned turnover boxes meeting the air tightness requirement on a shelf, wherein the air inlets of the air-conditioned turnover boxes are connected to air-conditioned equipment, and the air-conditioned equipment is used for providing nitrogen with preset purity for the air-conditioned turnover boxes;
one or more air coolers are placed in the warehouse, and the placement position of each air cooler enables the cold air sent by each air cooler to form circulating airflow among a plurality of shelves;
wherein, static pressure case is not arranged in the storehouse.
2. The method of claim 1, wherein the plurality of shelves are positioned parallel to each other, an aisle between two adjacent shelves is configured to allow a circulating airflow to pass therethrough, and the one or more air coolers are disposed above the aisle.
3. The build method of claim 1, wherein the plurality of shelves occupy a rectangular area; the one or more air coolers comprise a first air cooler and a second air cooler, and the first air cooler and the second air cooler are arranged on the diagonal line of the rectangular area.
4. The method of claim 1, wherein a temperature compensator is disposed adjacent to the outlet of the one or more air coolers to control the temperature of the air supplied by the air coolers.
5. The building method according to claim 1, wherein a temperature sensor is arranged in the storehouse and used for collecting environmental temperature parameters in the storehouse and sending the environmental temperature parameters to the temperature compensator.
6. The construction method according to claim 1, wherein a temperature sensor is arranged in the one or more air coolers for collecting and transmitting operating temperature parameters of the one or more air coolers to the temperature compensator.
7. The construction method according to claim 1, wherein a plurality of goods spaces are arranged in a single shelf, and a plurality of the modified atmosphere turnover boxes are stacked on one goods space.
8. The construction method according to claim 1, wherein a nitrogen gas delivery duct is provided in the warehouse for delivering nitrogen gas generated by the modified atmosphere facility to the modified atmosphere transfer box.
9. The method of constructing according to claim 1, wherein an electronic expansion valve is provided inside the air cooler for refrigerant flow regulation inside the air cooler.
10. A fine-temperature air-conditioning fresh-keeping storehouse, which is characterized by being constructed according to the method of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111681080.8A CN114223825B (en) | 2021-12-28 | 2021-12-28 | Refined air-conditioning fresh-keeping warehouse and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111681080.8A CN114223825B (en) | 2021-12-28 | 2021-12-28 | Refined air-conditioning fresh-keeping warehouse and construction method thereof |
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| CN114223825A true CN114223825A (en) | 2022-03-25 |
| CN114223825B CN114223825B (en) | 2024-03-29 |
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| CN114223825B (en) | 2024-03-29 |
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