CN109269197B - Freezer that inside air circulation flows - Google Patents
Freezer that inside air circulation flows Download PDFInfo
- Publication number
- CN109269197B CN109269197B CN201811126256.1A CN201811126256A CN109269197B CN 109269197 B CN109269197 B CN 109269197B CN 201811126256 A CN201811126256 A CN 201811126256A CN 109269197 B CN109269197 B CN 109269197B
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- pipeline
- ventilation
- air
- storage space
- floor
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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
- F25D13/00—Stationary devices, e.g. cold-rooms
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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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention relates to the technical field of refrigeration, in particular to a refrigeration house with internal air circulating flow, which comprises an outer wall, wherein a storage space is formed in the outer wall in a surrounding manner, a floor is arranged on the lower side of the storage space, a storage support is arranged on the floor, a floor ventilation hole penetrating through the surface of the floor is formed in the floor, a ventilation pipeline is arranged below the floor, a suction opening is formed in the ventilation pipeline, a fan is arranged in the ventilation pipeline, a circulating pipeline air outlet is formed in the top of the storage space, and a circulating pipeline is arranged between the ventilation pipeline and. According to the scheme, the air flow in the storage space is circulated from top to bottom through the fan, the air flow flows through gaps among stacked agricultural products, heat at the center of the agricultural products is taken away, the air flow sequentially passes through the air suction opening, the ventilation pipeline, the circulation pipeline and the circulation pipeline air outlet and finally circulates to the top of the storage space, and the surface and the inner temperature of the agricultural products are maintained within a certain range through the circulation of the air flow.
Description
Technical Field
The invention relates to the technical field of refrigeration, in particular to a refrigeration house with internal air circulating and flowing.
Background
The cold storage is mainly used as constant temperature storage cold air equipment for food, dairy products, meat, aquatic products, chemical industry, medicine, seedling raising, scientific experiment and the like, and the cold storage is a low temperature cold storage (cold storage) actually, and belongs to a refrigeration device, compared with a refrigerator, the refrigeration area of the cold storage is much larger, but the cold storage has a communicated refrigeration principle. Although the existing refrigeration house can realize automatic temperature control, the problems of poor detection of the ambient temperature in the refrigeration house and poor temperature uniformity in actual agricultural products still occur to the detection of the storage temperature of some agricultural products due to large internal area and uneven temperature of the refrigeration house.
Take the freezer of storing sweet potato as an example, the high temperature can cause sweet potato chaff core, go out the tooth, rot, the sweet potato freeze will appear too low in temperature, consequently need adjust the temperature in the freezer in certain temperature range, simultaneously because sweet potato stores mostly for the stack pile-up, the temperature of the sweet potato that is located central department can be on the high side usually, in order to prevent the sweet potato oxygen deficiency, and then lose the ability of sprouting, also need to guarantee timely ventilation in the freezer, reduce the freezer in carbon dioxide, harmful gas such as ethylene gathers, consequently, it has important meaning to design a freezer that can improve sweet potato class agricultural product storage effect.
Disclosure of Invention
The embodiment of the invention aims to provide a refrigeration house with internal air circulating flow, which is used for solving the problem of uneven temperature in agricultural products in the storage process of the refrigeration house in the prior art.
In order to achieve the purpose, the embodiment of the invention provides a refrigeration house with internal air circulating flow, which comprises an outer wall, wherein a storage space is formed by enclosing the inner side of the outer wall, a floor is arranged at the lower side of the storage space, a storage support is arranged on the floor, a floor ventilation hole penetrating through a plate surface is formed in the floor, a ventilation pipeline is arranged below the floor, an air suction opening is formed in the ventilation pipeline, a fan is arranged in the ventilation pipeline, a circulating pipeline air outlet is formed in the top of the storage space, and a circulating pipeline is arranged between the ventilation pipeline and the circulating pipeline air outlet.
As an improvement of the technical scheme, a tee joint is arranged between the ventilating pipeline and the circulating pipeline, and one end of the tee joint is connected with an air outlet extending to the outer side of the outer wall.
As an improvement of the above technical scheme, one side of the tee joint close to the ventilation duct is provided with a windward plate mounting seat, the windward plate mounting seat is provided with a rotatable windward plate, one side of the tee joint close to the air outlet is provided with a spring mounting seat, the spring mounting seat is provided with a spring fixedly connected with the windward plate, and when the fans are turned differently, the windward plate opens/closes the air outlet under the guidance of wind flow.
As an improvement of the technical scheme, when the fan rotates forwards, the windward plate seals the air outlet, and airflow in the ventilation pipeline sequentially passes through the air suction opening, the three-way connector, the circulating pipeline and the circulating pipeline air outlet to circulate in the storage space; when the fan rotates reversely, the windward plate opens the air outlet, and the air flow outside the outer wall enters the ventilating duct through the air outlet and enters the storage space through the air suction opening.
As an improvement of the technical scheme, a ventilation connecting pipe is arranged at one end, far away from the three-way connector, of the ventilation pipeline, the laying direction of the ventilation connecting pipe is perpendicular to that of the ventilation pipeline, and a ventilation connecting pipe air suction opening pointing to the floor is formed in the ventilation connecting pipe.
As the improvement of the technical scheme, a refrigerating device is arranged on the upper side of the storage space.
As an improvement of the technical scheme, one side of the storage space is provided with a control cabinet, the lower end of the control cabinet is led out with a wiring groove extending into the lower part of the floor, and the wiring path of the wiring groove is the same as the laying direction of the ventilation pipeline.
As the improvement of the technical scheme, a pipeline supporting frame which supports the bottom of the storage space is arranged below the ventilating pipeline.
As an improvement of the technical scheme, a cold storage door entering the storage space is arranged on the side face of the outer wall.
Carry out top-down's circulation through the fan to storing space internal air current in the above-mentioned scheme, the air current flows through the gap between the agricultural product of stacking, takes away the heat of agricultural product center department, the floor ventilation hole that rethread floor surface was seted up enters into the floor bottom, enters into air pipe from the suction opening in, the rotation of rethread fan carries the air current in the circulation pipeline, then circulates to storing space top through the circulation pipeline air outlet, makes the temperature of agricultural product surface and inside maintain at certain scope.
Drawings
Fig. 1 is a schematic structural diagram of a refrigeration storage with internal air circulating and flowing provided in an embodiment of the present invention.
Fig. 2 is a partial schematic view of a structure near the tee junction in the embodiment of the present invention.
In the figure: 10-outer wall, 11-cold storage door, 12-floor, 13-floor vent hole, 14-storage support, 15-storage space, 20-ventilation pipeline, 21-ventilation connecting pipe, 22-fan, 23-three-way connector, 24-air outlet, 25-circulation pipeline, 26-circulation pipeline air outlet, 30-windward plate mounting seat, 31-windward plate, 32-spring mounting seat, 33-spring, 40-control cabinet, 41-wiring groove, 42-refrigerating device, 201-air suction opening, 202-pipeline support frame and 211-ventilation connecting pipe air suction opening.
Detailed Description
The embodiments of the present invention are described below by way of examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present specification.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "middle", and the like used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.
In the description of the embodiments that follow, unless explicitly stated or limited otherwise, the terms "disposed," "connected," "secured," and the like are to be construed broadly and may, for example, be fixedly connected, releasably connected, or integral to one another; may be mechanically coupled, may be indirectly coupled through intervening media, may communicate between elements, or may be in an interactive relationship between elements, unless expressly defined otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and 2, an embodiment of the invention provides a refrigeration storage with internal air circulating flow, which includes an outer wall 10, a storage space 15 is formed in the outer wall 10 in an enclosing manner, a floor 12 is arranged on the lower side of the storage space 15, a storage support 14 is arranged on the floor 12, a floor vent hole 13 penetrating through the panel surface is formed on the floor 12, a ventilation duct 20 is arranged below the floor 12, an air suction opening 201 is formed on the ventilation duct 20, a fan 22 is arranged in the ventilation duct 20, a circulation pipeline air outlet 26 is arranged at the top of the storage space 15, a circulation pipeline 25 is arranged between the ventilation duct 20 and the circulation pipeline air outlet 26, and a refrigeration storage door 11 entering the storage space 15 is formed on.
Agricultural products such as sweet potatoes can be stored in the storage support 14 in the scheme, the storage space 15 can be refrigerated by an external cold supply mode or through an internally-arranged refrigerating device, the internal temperature of the agricultural products stacked in the storage support 14 is uniform, air circulation is formed in the storage space 15, cold air flows downwards from the storage space 15 from the upper side, gaps exist among the agricultural products when the agricultural products are stacked, the cold air can penetrate through the gaps among the agricultural products, heat at the center of the agricultural products is taken away, when the cold air travels to the floor 12, the cold air enters the bottom of the floor through the floor ventilation holes 13 formed in the surface of the floor 12, enters the ventilation pipeline 20 from the air suction port 201, the air flow is conveyed into the circulation pipeline 25 through rotation of the fan 22, and then circulates to the top of the storage space 15 through the circulation pipeline air outlet 26.
Further, a tee joint 23 is arranged between the ventilation pipeline 20 and the circulating pipeline 25, one end of the tee joint 23 is connected with an air outlet 24 extending to the outer side of the outer wall 10, a windward plate mounting seat 30 is arranged on one side, close to the ventilation pipeline 20, in the tee joint 23, a rotatable windward plate 31 is arranged on the windward plate mounting seat 30, a spring mounting seat 32 is arranged on one side, close to the air outlet 24, in the tee joint 23, a spring 33 fixedly connected with the windward plate 31 is arranged on the spring mounting seat 32, and when the rotation directions of the fan 22 are different, the windward plate 31 opens/closes the air outlet 24 under the guidance of wind current. In the preferred embodiment, three joints of the three-way joint 23 are respectively connected with the ventilation pipeline 20, the circulation pipeline 25 and the exhaust outlet 24. The fan 22 can control the forward and reverse rotation to change the airflow flowing direction in the ventilation duct 20, and the change of the airflow guides the swing of the windward plate 31, thereby opening or closing the air outlet 24.
For example, the relationship between the turning direction of the fan 22 and the opening/closing of the air outlet 24 by the windward plate 31 is as follows: when the fan 22 rotates forward, the windward plate 31 closes the air outlet 24, and the airflow in the ventilation duct 20 passes through the air suction opening 201, the three-way connector 23, the circulation pipeline 25 and the circulation pipeline air outlet 26 in sequence and circulates in the storage space 15; when the blower 22 rotates reversely, the windward plate 31 opens the air outlet 24, and the airflow outside the outer wall 10 enters the ventilation duct 20 through the air outlet 24 and enters the storage space 15 through the air suction opening 201. This preferred scheme provides a concrete windward plate 31 and opens/seals the mode of air exit 24, and the freezer is under normal operating condition, and fan 22 can keep corotation, and the air current forms the circulation in the storing space 15 like this in the freezer, avoids cold can to lead to the fact the loss through air exit 24 discharges. When the humidity is too low or the oxygen content is lower than 4.5% in the storage space 15, in order to avoid the problems of water loss of the agricultural products, weight reduction, wrinkled skin, old and astringent taste caused by too small humidity and the incapability of sprouting caused by the agricultural products in an anoxic state, timely ventilation is needed, the control fan 22 is reversed, the flow direction of the airflow of the ventilation pipeline 20 is opposite, the windward plate 31 is pushed by the spring 33 to remove the sealing of the air outlet 24, and the external fresh air can be sucked into the storage space 15 through the air outlet 24, so that ventilation operation is carried out.
In the above scheme, the ventilation connecting pipe 21 is arranged at one end of the ventilation pipeline 20 far away from the three-way connector 23, the laying direction of the ventilation connecting pipe 21 is perpendicular to the laying direction of the ventilation pipeline 20, and the ventilation connecting pipe 21 is provided with a ventilation connecting pipe suction opening 211 pointing to the floor 12. The ventilation connecting pipe 21 and the ventilation pipeline 20 form a staggered air draft channel, so that the attraction of air flow below the floor 12 is improved, and the vertical flowing effect of the air flow in the storage space 15 is improved.
A refrigerating device 42 is arranged on the upper side of the storage space 15, a control cabinet 40 is arranged on one side of the storage space 15, a wiring groove 41 extending into the lower portion of the floor 12 is led out from the lower end of the control cabinet 40, and the wiring path of the wiring groove 41 is the same as the laying direction of the ventilation pipeline 20. The control cabinet 40 can control the refrigeration temperature of the refrigeration device 42, and is connected with the fan 22 through a circuit, and the circuit is arranged in the wiring groove 41.
The refrigeration effect of the refrigeration house on crops is tested through experiments, a refrigeration air conditioner is adopted as a refrigeration device 42, the refrigeration temperature is set at 16 ℃, and air is continuously supplied to cool the environment. Twenty-four boxes of sweet potatoes are placed in a refrigeration house as a test target, one row of every twelve boxes is a group, the ground spaces for placing the sweet potato boxes are covered by an agricultural film to prevent air from flowing, a fan is started to exhaust air at the bottom, cold air blown out by an air conditioner is forced to flow through the sweet potatoes and then is sucked under the floor at the bottom, air flowing is accelerated, and the whole temperature of the sweet potatoes is reduced. Thermometers are arranged outside the refrigeration house, inside the sweet potato box and at the air outlet of the circulating pipeline, temperature recording data are measured, and a humidity measuring instrument is further arranged inside the refrigeration house and used for measuring the humidity inside the refrigeration house. Outdoor temperature, indoor temperature, sweet potato internal temperature, circulating pipeline air outlet temperature and indoor humidity are recorded, data are collected once every half hour, and the data are continuously measured for one week from 8 morning points to 8 evening points. Indoor temperature's measurement can in time know the condition of indoor temperature, in time makes the contrast with sweet potato is inside, knows the refrigeration condition of current freezer. The measurement of the temperature of the air outlet of the circulating pipeline can be compared with the indoor temperature, and whether the indoor cold air flows through the suction of the fan or not is verified, so that the heat generated in the sweet potatoes is brought out.
Tests show that under the condition that the temperature of an air conditioner is constantly set to be 16 ℃, the temperature of a storage space of a refrigeration house is basically kept to be about 17 ℃; the room temperature fluctuates with the external temperature, the maximum temperature is not more than 21 ℃, the fluctuation of the room temperature does not cause great influence on the temperature inside the sweet potato, and the temperature is generally controllable because the temperature inside the sweet potato is slowly increased and reduced; the temperature of the air outlet of the circulating pipeline is always higher than the indoor temperature by about 2 ℃, which indicates that hot air in the sweet potatoes is taken out by airflow, and cold air blown out by the air conditioner is supplemented to the periphery of the sweet potatoes through gaps due to atmospheric pressure, so that air flow is formed to cool the sweet potatoes, and the temperature on the surface and inside of the sweet potatoes is effectively reduced.
Although the present invention has been described in detail hereinabove with reference to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made to the embodiments of the present invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. The refrigeration house with the internal air circulating and flowing is characterized by comprising an outer wall (10), a storage space (15) is formed in the outer wall (10) in a surrounding mode, a floor (12) is arranged on the lower side of the storage space (15), a storage support (14) for containing agricultural products is arranged on the floor (12), a floor ventilation hole (13) penetrating through the plate surface is formed in the floor (12), a ventilation pipeline (20) is arranged below the floor (12), an air suction opening (201) is formed in the ventilation pipeline (20), a fan (22) is arranged in the ventilation pipeline (20), a circulating pipeline air outlet (26) is formed in the top of the storage space (15), and a circulating pipeline (25) is arranged between the ventilation pipeline (20) and the circulating pipeline air outlet (26);
a tee joint (23) is arranged between the ventilating pipeline (20) and the circulating pipeline (25), and one end of the tee joint (23) is connected with an air outlet (24) extending to the outer side of the outer wall (10);
one side that is close to air pipe (20) in tee bend interface (23) is provided with windward plate mount pad (30), be provided with rotatable windward plate (31) on windward plate mount pad (30), one side that is close to air exit (24) in tee bend interface (23) is provided with spring mount pad (32), be provided with spring (33) with windward plate (31) fixed connection on spring mount pad (32), fan (22) turn to when different, windward plate (31) open/seal air exit (24) under the distinguished and admirable guide.
2. The refrigeration house with the internal air circulating flow according to claim 1, characterized in that when the fan (22) rotates forward, the windward plate (31) closes the air outlet (24), and the air flow in the ventilation duct (20) circulates in the storage space (15) through the air suction opening (201), the three-way connector (23), the circulation pipeline (25) and the circulation pipeline air outlet (26) in sequence; when the fan (22) rotates reversely, the windward plate (31) opens the air outlet (24), and the airflow outside the outer wall (10) enters the ventilation pipeline (20) through the air outlet (24) and enters the storage space (15) through the air suction opening (201).
3. The refrigeration house with the internal air circulating and flowing according to claim 2, characterized in that one end of the ventilation pipeline (20) far away from the three-way connector (23) is provided with a ventilation connecting pipe (21), the laying direction of the ventilation connecting pipe (21) is perpendicular to the laying direction of the ventilation pipeline (20), and the ventilation connecting pipe (21) is provided with a ventilation connecting pipe suction opening (211) pointing to the floor (12).
4. A refrigerator with circulating flow of internal air according to claim 3, characterized in that the refrigerating device (42) is arranged on the upper side of the storage space (15).
5. The refrigeration house with internal air circulation flowing according to claim 4, characterized in that a control cabinet (40) is arranged at one side of the storage space (15), a wiring groove (41) extending into the lower part of the floor (12) is led out from the lower end of the control cabinet (40), and the wiring path of the wiring groove (41) is the same as the laying direction of the ventilation pipeline (20).
6. The refrigerator with internal air circulation flow according to claim 1, characterized in that a duct support bracket (202) is arranged below the ventilation duct (20) and is supported to the bottom of the storage space (15).
7. The refrigerator with internal air circulating and flowing according to claim 1, characterized in that the side of the outer wall (10) is provided with a refrigerator door (11) entering the storage space (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126256.1A CN109269197B (en) | 2018-09-26 | 2018-09-26 | Freezer that inside air circulation flows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126256.1A CN109269197B (en) | 2018-09-26 | 2018-09-26 | Freezer that inside air circulation flows |
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| Publication Number | Publication Date |
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| CN109269197A CN109269197A (en) | 2019-01-25 |
| CN109269197B true CN109269197B (en) | 2020-09-01 |
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| CN201811126256.1A Active CN109269197B (en) | 2018-09-26 | 2018-09-26 | Freezer that inside air circulation flows |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523847A (en) * | 2011-12-31 | 2012-07-04 | 中央储备粮漳州直属库 | Supporting facility of technology of grain storage under circulation balanced temperature and humidity in bungaloid granary |
| CN105830673A (en) * | 2016-05-25 | 2016-08-10 | 山东稷丰粮油仓储设备有限公司 | Inner circulatory flow temperature control, hardening-temperqualityregulating and fumigating three-in-one system and process |
| CN106068964A (en) * | 2016-07-29 | 2016-11-09 | 史钢强 | Novel grain storage four-in-one technology and bidirectional ventilated, circulation, air-conditioning, ozone grain storage system |
| CN207321996U (en) * | 2017-10-19 | 2018-05-08 | 河南创卓仓储科技有限公司 | A kind of silo ventilating system |
| CN207744429U (en) * | 2017-11-16 | 2018-08-21 | 谷晓辰 | A kind of low-temperature grain-storage freezer with interior circulatory function |
| CN107896650B (en) * | 2017-11-16 | 2018-08-28 | 谷晓辰 | A kind of grain storage freezer and storing grain method |
| CN207741406U (en) * | 2017-11-16 | 2018-08-17 | 谷晓辰 | A kind of grain storage freezer automatically adjusting interior cycle |
| CN108131767B (en) * | 2018-02-09 | 2023-09-19 | 成都朗博旺科技发展有限公司 | Multifunctional temperature and humidity control device for granary |
| CN108353648A (en) * | 2018-02-11 | 2018-08-03 | 成都朗博旺科技发展有限公司 | A kind of multi-mode grain heap cooling system and silo for silo |
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