CN114223825B - Refined air-conditioning fresh-keeping warehouse and construction method thereof - Google Patents
Refined air-conditioning fresh-keeping warehouse and construction method thereof Download PDFInfo
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- CN114223825B CN114223825B CN202111681080.8A CN202111681080A CN114223825B CN 114223825 B CN114223825 B CN 114223825B CN 202111681080 A CN202111681080 A CN 202111681080A CN 114223825 B CN114223825 B CN 114223825B
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- air
- conditioning
- coolers
- warehouse
- shelves
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 61
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 230000007306 turnover Effects 0.000 claims abstract description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims description 9
- 230000007613 environmental effect Effects 0.000 claims description 7
- 239000003507 refrigerant Substances 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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
Landscapes
- 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 refined air-conditioning fresh-keeping warehouse and a construction method thereof, wherein the method comprises the following steps: placing a plurality of shelves in a warehouse, wherein a single shelf has a preset height and a preset width, and two adjacent shelves are separated by a preset distance; placing one or more air-conditioning turnover boxes meeting the air tightness requirement on a shelf, wherein an air inlet of each air-conditioning turnover box is connected to air-conditioning equipment, and the air-conditioning equipment is used for providing nitrogen with preset purity for the air-conditioning turnover boxes; one or more air coolers are placed in the storeroom, and the placement positions of the air coolers enable cold air sent by the air coolers to form circulating air flow among a plurality of shelves; according to the construction method, the refined air-conditioning fresh-keeping warehouse can be reasonably constructed.
Description
Technical Field
The invention relates to the technical field of air-conditioning fresh-keeping, in particular to a refined air-conditioning fresh-keeping warehouse and a construction method thereof.
Background
The air-conditioning fresh-keeping technology is an advanced form of article fresh-keeping, and proper low temperature is the basis of air-conditioning fresh-keeping. At present, in order to ensure temperature control precision and temperature uniformity, an air supply side wall air return mode of a top static pressure box is adopted in an air conditioning fresh-keeping warehouse, and the air supply and air return mode solves the problems of temperature control precision and temperature uniformity. However, the arrangement of the static pressure box and the side wall return air channel occupies the storage space of the warehouse, and reduces the utilization rate of the warehouse space.
Disclosure of Invention
The utility model provides a refined air-conditioning fresh-keeping storehouse and a construction method thereof, aiming at the technical problems in the prior art, and the problem of reduced storehouse space utilization rate caused by the arrangement of a static pressure box and a side wall return air channel in the conventional air-conditioning fresh-keeping storehouse can be solved.
The application provides a construction method of a refined air-conditioning fresh-keeping warehouse, which is characterized by comprising the following steps: placing a plurality of shelves in a warehouse, wherein a single shelf has a preset height and a preset width, and two adjacent shelves are separated by a preset distance; placing one or more gas-regulating turnover boxes meeting the air tightness requirement on a shelf, wherein an air inlet of the gas-regulating turnover box is connected to gas-regulating equipment, and the gas-regulating equipment is used for providing nitrogen with preset purity for the gas-regulating turnover box; one or more air coolers are placed in the storeroom, and the placement positions of the air coolers enable cold air sent by the air coolers to form circulating air flow among a plurality of shelves; wherein, no static pressure box is arranged in the storehouse.
Optionally, a plurality of shelves are placed in parallel with each other, and passageway between two adjacent shelves supplies circulating air flow to pass through, and one or more air-cooler sets up in passageway top.
Optionally, the plurality of shelves occupy a rectangular area; the one or more air coolers include a first air cooler and a second air cooler, the first air cooler and the second air cooler being disposed on a diagonal of the rectangular area.
Optionally, a temperature compensator is arranged near the air outlet of one or more air coolers, and is used for controlling the air supply temperature of the air coolers.
Optionally, a temperature sensor is arranged in the warehouse and is used for collecting 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 is used for collecting working temperature parameters of one or more air coolers and sending the working temperature parameters to a temperature compensator.
Alternatively, a single pallet may have multiple cargo bays, with multiple air-conditioned totes stacked on top of one cargo bay.
Optionally, a nitrogen conveying pipeline is arranged in the warehouse and used for conveying nitrogen generated by the air conditioning equipment to the air conditioning turnover box.
Optionally, an electronic expansion valve is arranged in the air cooler and used for adjusting the flow of the refrigerant in the air cooler.
The embodiment of the application also provides a refined air-conditioning fresh-keeping warehouse, which is constructed according to the method.
Aiming at the problems of the current air-conditioned fresh-keeping warehouse, the embodiment of the application abandons a static pressure box and a side return air structure in the traditional air-conditioned fresh-keeping warehouse on the premise of ensuring temperature control precision and temperature uniformity, increases the use volume of the warehouse, improves the space utilization rate of the warehouse and reduces the construction difficulty of the arrangement of fresh-keeping equipment; because the air-conditioning turnover box is used for replacing the traditional turnover basket in the storehouse, the turnover boxes can be stacked and stacked, so that the space utilization rate of the storehouse is further improved.
Drawings
Preferred embodiments of the present invention will be described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic flow chart of a method for constructing a refined air-conditioning fresh-keeping warehouse according to an embodiment of the present application;
FIG. 2 is a schematic diagram of the working state of the refined air conditioning fresh-keeping warehouse according to an embodiment of the present application;
FIG. 3 is a schematic top view of a refined air conditioning fresh store according to one embodiment of the present application;
fig. 4 is a schematic front view of a refined air-conditioning fresh-keeping warehouse according to an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the application may be practiced. In the drawings, like reference 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 construction method of a fine air-conditioning fresh-keeping warehouse according to an embodiment of the present application, and fig. 2 is a schematic working state diagram of the fine air-conditioning fresh-keeping warehouse according to an embodiment of the present application. As shown in fig. 1, the method for constructing the fine air-conditioning fresh-keeping warehouse provided in the embodiment of the present application includes the following steps 101 to 103.
Step 101: a plurality of shelves are placed in the warehouse, a single shelf has a predetermined height and a predetermined width, and two adjacent shelves are separated by a predetermined distance.
Step 102: one or more gas-regulating turnover boxes meeting the air tightness requirement are placed on the goods shelf, the air inlets of the gas-regulating turnover boxes are connected to gas-regulating equipment, and the gas-regulating equipment is used for providing nitrogen with preset purity for the gas-regulating turnover boxes.
Step 103: one or more air coolers are placed in the storeroom, and the placement positions of the air coolers enable cold air sent by the air coolers to form circulating air flow among a plurality of shelves; wherein, no static pressure box is arranged in the storehouse.
Specifically, as shown in fig. 2, the refined air-conditioning fresh-keeping warehouse 10 includes: a plurality of shelves 101 are placed in the refined air conditioning fresh store 10, wherein a single shelf 101 has a predetermined height and a predetermined width, and two adjacent shelves 101 are spaced apart by a predetermined distance. One or more gas-conditioned turnover boxes 102 are placed on the shelves 101, and the gas inlets (not shown in the figure) of the gas-conditioned turnover boxes 102 are connected to a gas conditioning apparatus 103, and the gas conditioning apparatus 103 supplies nitrogen of a predetermined purity to the gas-conditioned turnover boxes 102. One or more air coolers 104 are arranged in the refined air conditioning fresh-keeping warehouse 10, and the arrangement positions of the air coolers 104 enable the cool air sent out by each air cooler 105 to form circulating air flow among a plurality of shelves 101; wherein, a static pressure box does not exist in the refined air-conditioning fresh-keeping warehouse 10.
Therefore, by reasonably placing the positions of the goods shelf 101 and the air cooler 104, the static pressure box and the side return air structure in the traditional air-conditioning fresh-keeping storehouse are abandoned on the premise of ensuring the temperature control precision and the temperature uniformity, the use volume of the storehouse is increased, the space utilization rate of the storehouse is improved, and the construction difficulty of the fresh-keeping equipment arrangement is reduced; because the air-conditioning turnover box 102 is used for replacing the traditional turnover basket in the refined air-conditioning fresh-keeping storehouse 10, the air-conditioning turnover boxes 102 can be stacked and stacked, so that the space utilization rate of the refined air-conditioning fresh-keeping storehouse 10 is further improved.
In some embodiments, optionally, a plurality of shelves are disposed parallel to each other, and an aisle between two adjacent shelves is provided for circulating air therethrough, and one or more air coolers are disposed above the aisle.
Fig. 3 is a schematic top view of a refined air-conditioning fresh-keeping warehouse according to an embodiment of the present application, as shown in fig. 3, a plurality of shelves 101 are placed parallel to each other, an aisle 105 between two adjacent shelves 101 is provided for circulating air to pass through, one or more air coolers 104 are located above the aisle 105, and air flow sent by the air coolers 104 circulates in the aisle 105. In some embodiments, alternatively, multiple air coolers 104 may be longer in length and can extend above the same aisle 105. Fig. 3 is a schematic front view of a refined air-conditioning fresh-keeping warehouse according to an embodiment of the present application, as shown in fig. 3, two air coolers extending above the same aisle 105 send air flows respectively in opposite directions, so that two opposite air flows are formed 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, since the plurality of shelves 101 are placed in parallel with each other and the air cooler is placed above the aisle 105 formed between the shelves 101, the airflow can circulate through the aisle 105, forming an airflow channel, so that the airflow in the warehouse is uniform and controllable.
In some embodiments, optionally, a plurality of shelves occupy a rectangular area; the one or more air coolers include a first air cooler and a second air cooler, the first air cooler and the second air cooler being disposed on a diagonal of the rectangular area.
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 diagonals of the rectangular area.
In this way, the cool air sent by the first air cooler 1041 and the second air cooler 1042 can cover most of the air-conditioning circulation box 102, so that the airflow in the warehouse 10 is more uniform.
In some embodiments, optionally, a temperature compensator is disposed near the air outlet of one or more air coolers for controlling the air supply temperature of 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 supply air temperature of the air coolers 104. In some embodiments, the temperature compensator optionally employs Proportional-Integral-Derivative (PID) regulation techniques. Therefore, the temperature compensator is arranged at the air outlet of the air cooler, and the air supply temperature of the air cooler can be automatically adjusted according to the temperature in the storehouse, so that the temperature change of the storehouse is not more than 0.5 ℃.
In some embodiments, a temperature sensor is optionally provided within the warehouse for acquiring environmental temperature parameters within the warehouse and sending 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 environmental temperature parameters in the warehouse and transmitting the environmental temperature parameters to the temperature compensator.
In this way, the temperature sensor in the warehouse 10 can sense the temperature in the warehouse 10 and send to the temperature compensator, thereby being able to adjust the temperature in the warehouse 10 in a more accurate range.
In some embodiments, optionally, a temperature sensor is disposed in one or more air coolers for acquiring operating temperature parameters of one or more air coolers and sending to a temperature compensator. Specifically, a temperature sensor is disposed in one or more air coolers 104, and is configured to collect operating temperature parameters of one or more air coolers 104 and send the parameters to a temperature compensator. Thus, the temperature compensator can more accurately adjust the air supply temperature of the air cooler 104 according to the working temperature parameter in the air cooler 104.
In some embodiments, optionally, there are multiple cargo positions in a single shelf, with multiple air-conditioned totes stacked on one cargo position. With continued reference to FIG. 2, as shown in FIG. 2, a single pallet 101 has a plurality of cargo positions 106, with a plurality of air-conditioned totes 102 stacked on top of one cargo position 106.
In this way, by stacking a plurality of air-conditioning transfer boxes 102 on one cargo space 106, the number of articles stored in the warehouse 10 is increased and the space utilization rate of the warehouse 10 is improved under the condition that the volume of the warehouse 10 is unchanged.
In some embodiments, optionally, a nitrogen delivery conduit is provided within the warehouse for delivering nitrogen generated by the air conditioning apparatus to the air conditioning tote. As shown in fig. 1, a nitrogen gas conveying pipeline 104 is disposed in the refined air-conditioning fresh-keeping warehouse 10, and is used for conveying nitrogen gas with preset purity generated by the air-conditioning equipment 103 into the air-conditioning turnover box 102, so that the air in the air-conditioning turnover box 102 is subjected to air-conditioning treatment on the premise of not moving the air-conditioning turnover box 102, and the fresh-keeping period of the articles in the air-conditioning turnover box 102 is further prolonged.
In some embodiments, an electronic expansion valve is optionally provided inside the air cooler for refrigerant flow regulation within 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 in the air cooler 104. Thus, compared with the traditional thermal expansion valve, the refrigerant flow is regulated more rapidly and accurately, and the advantage is obvious, so that the refrigerating capacity of the air cooler 104 is always matched with the thermal load in the warehouse 10.
The above embodiments are provided for illustrating the present invention and not for limiting the present invention, and various changes and modifications may be made by one skilled in the relevant art without departing from the scope of the present invention, therefore, all equivalent technical solutions shall fall within the scope of the present disclosure.
Claims (6)
1. The construction method of the refined air-conditioning fresh-keeping warehouse is characterized by comprising the following steps of:
placing a plurality of shelves in a warehouse, wherein a single shelf has a preset height and a preset width, and two adjacent shelves are separated by a preset distance;
placing one or more air-conditioning turnover boxes meeting the air tightness requirement on a shelf, wherein an air inlet of each air-conditioning turnover box is connected to air-conditioning equipment outside a warehouse through a pipeline, and the air-conditioning equipment is used for providing nitrogen with preset purity for the air-conditioning turnover boxes; placing a plurality of air coolers in the storeroom, wherein the placement positions of the air coolers enable cold air sent by the air coolers to form circulating air flow among a plurality of shelves;
wherein, the static pressure box is not arranged in the storehouse;
the racks are arranged in parallel, the arrangement direction of the racks is the same as the wind direction of the air cooler, the passageway between two adjacent racks is used for circulating air to pass through, and the plurality of air coolers are arranged above the passageway; the length of the plurality of air coolers can be extended to the upper part of the same aisle, and the two air coolers extended to the upper part of the same aisle send out air flows respectively in opposite directions, so that two opposite air flows are formed on the aisle, meet and sink in the aisle, and form two circulation paths;
a temperature compensator is arranged near the air outlets of the plurality of air coolers and used for controlling the air supply temperature of the air coolers;
a temperature sensor is arranged in the storehouse and is used for collecting environmental temperature parameters in the storehouse and sending the environmental temperature parameters to a temperature compensator;
and a temperature sensor is arranged in the plurality of air coolers and is used for collecting working temperature parameters of the plurality of air coolers and sending the working temperature parameters to a temperature compensator.
2. The method of claim 1, wherein the plurality of shelves occupy a rectangular area; the plurality of 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 diagonal lines of the rectangular area.
3. The method of claim 1, wherein a single shelf has a plurality of cargo spaces, and wherein a plurality of said air-conditioning transfer boxes are stacked on one cargo space.
4. The construction method according to claim 1, wherein a nitrogen gas delivery pipe is provided in the warehouse for delivering nitrogen gas generated by the air conditioning equipment to the air conditioning turn-around box.
5. The method of claim 1, wherein an electronic expansion valve is disposed within the air cooler for refrigerant flow regulation within the air cooler.
6. A refined air-conditioning fresh-keeping warehouse, characterized in that the refined air-conditioning fresh-keeping warehouse is constructed according to the method of any one of claims 1-5.
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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| Publication Number | Publication Date |
|---|---|
| CN114223825A CN114223825A (en) | 2022-03-25 |
| CN114223825B true CN114223825B (en) | 2024-03-29 |
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| CN202111681080.8A Active CN114223825B (en) | 2021-12-28 | 2021-12-28 | Refined air-conditioning fresh-keeping warehouse and construction method thereof |
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| CN114223825A (en) | 2022-03-25 |
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