CN111141090B - Jacket type energy-saving refrigeration house - Google Patents
Jacket type energy-saving refrigeration house Download PDFInfo
- Publication number
- CN111141090B CN111141090B CN202010057992.7A CN202010057992A CN111141090B CN 111141090 B CN111141090 B CN 111141090B CN 202010057992 A CN202010057992 A CN 202010057992A CN 111141090 B CN111141090 B CN 111141090B
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- Prior art keywords
- sub
- heat
- house
- heat conduction
- insulating
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 14
- 239000010410 layer Substances 0.000 claims abstract description 26
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 239000011229 interlayer Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 238000010257 thawing Methods 0.000 abstract description 18
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 238000004321 preservation Methods 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 108010085603 SFLLRNPND Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
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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
-
- 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
-
- 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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- 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
- F25D23/00—General constructional features
-
- 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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
Landscapes
- 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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a jacket type energy-saving refrigeration house. The main warehouse system is a cavity surrounded by the heat insulation structure layer, the sub warehouse system is a sub warehouse heat conduction structure built by metal materials with good heat conduction performance in the heat insulation structure layer, gaps exist between the sub warehouse heat conduction structure and the heat insulation structure layer, the sub warehouse heat conduction structure is a pentahedron without a bottom surface, and an evaporator or an air cooler of the refrigerating system is arranged in an interlayer formed by the main warehouse system and the sub warehouse system. The invention improves the heat exchange efficiency of the evaporator, does not need to consider defrosting and does not increase power consumption.
Description
Technical Field
The invention relates to the field of jacket type refrigeration house systems, in particular to a jacket type refrigeration house system.
Background
For low temperature storage, evaporator frosting is a big problem, the evaporator frosting affects the heat exchange efficiency of the refrigeration system, and finally, the refrigeration cannot meet the requirement of environmental cooling, meanwhile, for some systems, the phenomenon of air return and liquid carrying of a compressor is likely to be faced, liquid impact is seriously likely to be caused, the damage or poor effect of the compressor is caused, and therefore, the defrosting of the system is necessary for the system with the evaporating temperature lower than 0 ℃. The defrosting modes commonly used at present mainly comprise three forms of electrochemical defrosting, water defrosting and hot fluorine defrosting: the electric power consumption is high in the operation process of the electrochemical frosting, so that the operation cost is increased, and a large amount of heat is released into the environment, so that the heat load between the cold space is increased intangibly, and the environmental temperature fluctuation is overlarge; the water defrosting system has limited application environment, mainly uses some conditions that the ambient temperature is about 0 ℃ and brings a part of heat load to the environment, and mainly has the defect that the water defrosting is beneficial to a large extent, and bacteria can be brought into an evaporator or the environment through defrosting water, so that the fresh keeping is very unfavorable; the hot fluorine defrosting has the defects of excessively high requirements on system pipelines and valve members, increased engineering cost, excessive heat brought into the environment, increased environmental heat load, overlarge fluctuation of environmental temperature and the like. The above-mentioned several defrosting compartments bring about a number of disadvantages to the cold compartment.
Disclosure of Invention
The invention aims to provide a jacket type energy-saving refrigeration house for reducing defrosting energy consumption.
The technical scheme adopted for realizing the purpose of the invention is as follows:
The utility model provides a jacket formula energy-saving freezer, includes female storehouse system and sub-storehouse system, and female storehouse system is enclosed into the cavity by the heat preservation structural layer, and sub-storehouse system is the sub-storehouse heat conduction structure of using the good metal material of heat conductivility in the heat preservation structural layer inside, and this sub-storehouse heat conduction structure and heat preservation structural layer interval, sub-storehouse heat conduction structure is the pentahedron that does not have the bottom surface, and refrigerating system's evaporimeter or air-cooler set up in the intermediate layer inside that female storehouse system and sub-storehouse system formed.
The heat preservation structure layer is provided with a heat preservation door, the heat preservation door is an airtight door, and the inner side surface of the heat preservation structure layer is provided with a heat preservation airtight layer.
The material of sub-storehouse heat conduction structure construction is selected from the aluminum product, and sub-storehouse heat conduction structure construction fossil fragments structure frame is provided with sub-storehouse inner liner to sub-storehouse heat conduction structure medial surface, and sub-storehouse heat conduction structure reservation has the access window.
The air cooler can be considered to be not provided with defrosting measures (such as electrochemical defrosting, water defrosting, hot fluorine defrosting and the like).
Compared with the prior art, the invention has the beneficial effects that:
1. The invention uses the airtight principle to dehumidify the water in the air by freezing, the temperature is reduced to be lower than the actual operation condition of the evaporator, the airtight inside the cavity is ensured, and then the operation condition of the evaporator is regulated to the set operation condition, so that the evaporator basically does not frost in the operation process of the system, the heat exchange efficiency of the evaporator is improved, meanwhile, defrosting is not required to be considered, the power consumption is not increased, the fluctuation of the ambient temperature is avoided, and the stability of the low-temperature ambient temperature is ensured.
2. The invention uses the jacket type heat exchange with small temperature difference of the cooling wall surface, reduces the temperature difference of the heat exchange, keeps the temperature constant environment in the environment cavity, reduces the forced convection with the environment wall surface, controls Wen Wencha to be small, achieves the frost-free and dew-free condition, ensures the humidity in the environment cavity, provides effective guarantee for freezing, refrigerating and moisturizing, and especially provides an environment with higher relative humidity requirement (if a vegetable fresh-keeping warehouse).
Drawings
FIG. 1 is a diagram showing the structure of a jacketed energy-saving refrigerator according to the present invention;
FIG. 2 is a top view of a jacketed energy-saving refrigerator according to the present invention;
FIG. 3 is a front view of a jacketed energy-saving refrigerator according to the present invention;
fig. 4 is a right side view of a jacketed energy-saving refrigerator according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples.
As shown in figures 1-4, the jacket type energy-saving refrigeration house comprises a mother house system and a child house system. The main warehouse system mainly refers to a cavity surrounded by a heat insulation structure layer 2 of the refrigeration house system, the sub warehouse system is to re-build a jacket with a metal material with good heat conduction performance inside the heat insulation structure layer, a certain gap exists between the jacket and a warehouse board, the ground layer does not need to consider the gap, namely, the actual jacket is built into a pentahedral sub warehouse heat conduction structure 3, and an evaporator 1 (an air cooler) of the refrigeration system is arranged inside an interlayer formed by the main warehouse system and the sub warehouse system.
The mother warehouse system is a heat-insulating structure layer 2 of the refrigerator, the structure layer needs to be subjected to airtight treatment, namely, an outer heat-insulating airtight layer 4 is arranged on the inner surface of the heat-insulating structure layer, and a heat-insulating door arranged on the heat-insulating structure layer also needs to be an airtight door 6. The materials for constructing the sub-warehouse are required to have good heat conduction performance, aluminum materials are recommended to be selected, a keel structure frame is required to be constructed, airtight treatment is also required to be carried out in the sub-warehouse system, an access window is reserved, and the like, all the airtight measures are carried out, and the inner surface of the sub-warehouse heat conduction structure 3 of the pentahedron is provided with a sub-warehouse airtight layer 5. An airtight hand valve 8 is arranged on a condensation drain pipe 7 for defrosting and draining of the air cooler, and a U-shaped water trap 9 is arranged behind the airtight hand valve 8.
The cooling system is started at the earlier stage of the operation of the refrigerator, the evaporation temperature of the cooling system is as low as possible, even the limit evaporation temperature of the unit (the temperature is far lower than the evaporation temperature of the actual system operation working condition), the unit is closed for a period of time (mainly the frosting process of the evaporator, so that the frosting process of the evaporator is performed as much as possible), the unit is stopped for refrigerating the evaporator, the frosting process of the evaporator is performed (the frosting process is performed as much as possible, and the evaporator only needs to perform freezing dehumidification once only as long as the airtight inside the jacket is ensured), and then the frosting process of the evaporator is not performed, so that a plurality of back and forth operation working conditions are performed, the airtight hand valve is closed until no condensation water is discharged, the fact that the air component in the cavity of the jacket is not changed any more is ensured, the internal water vapor is basically removed is performed again under the high-temperature condition, and the frosting process is not performed any more, namely the energy saving and the emission reduction of the frosting-free mode operation is realized.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (3)
1. The jacket type energy-saving refrigeration house is characterized by comprising a mother house system and a sub-house system, wherein the mother house system is a cavity surrounded by a heat-insulating structure layer, the sub-house system is a sub-house heat-conducting structure built by a metal material with good heat conduction performance in the heat-insulating structure layer, a gap exists between the sub-house heat-conducting structure and the heat-insulating structure layer, the sub-house heat-conducting structure is a pentahedron without a bottom surface, and an evaporator or an air cooler of a refrigeration system is arranged in an interlayer formed by the mother house system and the sub-house system;
The cooling system is started in the earlier stage of the operation of the refrigerator, the evaporation temperature of the cooling system reaches the limit evaporation temperature of the unit, the unit is closed for a period of time after the operation, the system is stopped for refrigerating, the evaporator is defrosted, the airtight hand valve is closed until the condition of no condensation and drainage exists, the components of air in the jacket cavity are not changed, and the internal water vapor is basically removed.
2. The jacketed energy-saving refrigerator according to claim 1, wherein the heat-insulating structure layer is provided with a heat-insulating door, the heat-insulating door is an airtight door, and the inner side surface of the heat-insulating structure layer is provided with a heat-insulating airtight layer.
3. The jacketed energy-saving type refrigeration house according to claim 1, wherein the material for constructing the sub-house heat conduction structure is aluminum, the keel structure is constructed by the sub-house heat conduction structure, the inner side of the sub-house heat conduction structure is provided with a sub-house airtight layer, and the sub-house heat conduction structure is reserved with an access window.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010057992.7A CN111141090B (en) | 2020-01-19 | 2020-01-19 | Jacket type energy-saving refrigeration house |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010057992.7A CN111141090B (en) | 2020-01-19 | 2020-01-19 | Jacket type energy-saving refrigeration house |
Publications (2)
Publication Number | Publication Date |
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CN111141090A CN111141090A (en) | 2020-05-12 |
CN111141090B true CN111141090B (en) | 2024-06-25 |
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Family Applications (1)
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CN202010057992.7A Active CN111141090B (en) | 2020-01-19 | 2020-01-19 | Jacket type energy-saving refrigeration house |
Country Status (1)
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CN (1) | CN111141090B (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN211575655U (en) * | 2020-01-19 | 2020-09-25 | 天津商业大学 | Jacket type energy-saving refrigeration house |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB430123A (en) * | 1933-08-07 | 1935-06-13 | Xtravac Ltd | Improvements in storage chambers for maintaining food and other goods at desired temperatures |
JP2002098420A (en) * | 2000-09-25 | 2002-04-05 | Gac Corp | Cooling device with drying function and cold insulation warehouse with drying function |
CN2778382Y (en) * | 2005-03-10 | 2006-05-10 | 天津商学院 | Homothermal environment box equipped with jacket |
CN201418353Y (en) * | 2009-05-12 | 2010-03-10 | 天津商业大学 | Ice-temperature freshness-preservation storehouse for fruits and vegetables |
CN102506539A (en) * | 2012-01-04 | 2012-06-20 | 天津商业大学 | Cold damage prevention refrigeration house |
CN203848587U (en) * | 2014-04-04 | 2014-09-24 | 河南科技大学 | Multifunctional induction ultrasonic automatic defrosting and refrigerating device for cold storage |
CN206531345U (en) * | 2017-01-24 | 2017-09-29 | 深圳市冰润冷链科技有限公司 | Freezing and refrigerating system with multi-functional building enclosure |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN211575655U (en) * | 2020-01-19 | 2020-09-25 | 天津商业大学 | Jacket type energy-saving refrigeration house |
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