CN217357670U - Energy-efficient food freezer fan defrosting system - Google Patents
Energy-efficient food freezer fan defrosting system Download PDFInfo
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- CN217357670U CN217357670U CN202221151348.7U CN202221151348U CN217357670U CN 217357670 U CN217357670 U CN 217357670U CN 202221151348 U CN202221151348 U CN 202221151348U CN 217357670 U CN217357670 U CN 217357670U
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- Prior art keywords
- refrigerator
- inlet
- outlet
- refrigeration house
- refrigeration
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- 238000010257 thawing Methods 0.000 title claims abstract description 26
- 235000013305 food Nutrition 0.000 title claims abstract description 13
- 238000005057 refrigeration Methods 0.000 claims abstract description 54
- 238000003860 storage Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001061137 Caulophrynidae Species 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 241001464837 Viridiplantae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000020965 cold beverage Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 235000013594 poultry meat Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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- Defrosting Systems (AREA)
Abstract
The utility model discloses a high-efficiency energy-saving food refrigerator fan defrosting system, belonging to the technical field of refrigeration of a refrigerator, comprising a compressor, an oil separator, a gas separator, a condenser, a liquid storage device, a filter, an auxiliary evaporator and the refrigerator; the cold storage is composed of a first cold storage, a second cold storage and a third cold storage; the first refrigeration house, the second refrigeration house and the third refrigeration house are respectively connected with an inlet of a gas separator through refrigeration gas return electromagnetic valves, and an outlet of the gas separator is connected with a gas inlet of a compressor through a pipeline; the air outlet of the compressor is connected with the inlet of the oil separator through a pipeline, the outlet of the oil separator is connected with the inlet of the condenser through a pipeline, the outlet of the condenser is connected with the inlet of the liquid storage device, and the outlet of the liquid storage device is communicated with the inlet of the filter; and the outlet of the filter is respectively communicated with the air cooler evaporators in the first refrigeration house, the second refrigeration house and the third refrigeration house sequentially through the liquid supply electromagnetic valve and the expansion valve. The system achieves the defrosting purpose by means of environmental heat under the condition of not influencing the normal operation of the refrigeration house.
Description
Technical Field
The utility model relates to a freezer refrigeration technology field specifically is a high-efficient energy-conserving food freezer fan defrosting system.
Background
At present, the domestic cold storage is mainly used for constant-temperature storage of foods, dairy products, meat, aquatic products, poultry, fruits and vegetables, cold drinks, flowers, green plants, tea, medicines, chemical raw materials, electronic instruments and the like. Generally, a compressor is adopted for refrigeration, ammonia or Freon with low gasification temperature is used as a refrigerant, and the refrigerant is evaporated under the conditions of low pressure and mechanical control through the work of an air cooler to absorb heat in a warehouse, so that the purposes of cooling and reducing temperature are achieved. After the air cooler works for a period of time in a low-temperature environment, a layer of thick frost or ice is formed on the fan fins, and the fan is seriously blocked and cannot be cooled.
At present, when a cold storage designer installs the cold storage, an electric heating tube is additionally arranged in an air cooler for heating, and the problem is solved by a method for melting frost or ice by working at intervals.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an energy-efficient food freezer fan defrosting system, this system reaches the defrosting purpose with the help of the environmental heat under the condition that does not influence the normal operating of freezer.
In order to achieve the above object, the utility model provides a following technical scheme:
a high-efficiency energy-saving food refrigerator fan defrosting system comprises a compressor, an oil separator, a gas separator, a condenser, a liquid storage device, a filter, an auxiliary evaporator and a refrigerator; the cold storage is composed of a first cold storage, a second cold storage and a third cold storage; the first refrigeration house, the second refrigeration house and the third refrigeration house are respectively connected with an inlet of the gas separator through refrigeration gas return electromagnetic valves, and an outlet of the gas separator is connected with a gas inlet of the compressor through a pipeline; an air outlet of the compressor is connected with an inlet of the oil separator through a pipeline, an outlet of the oil separator is connected with an inlet of the condenser through a pipeline, an outlet of the condenser is connected with an inlet of the liquid storage device, and an outlet of the liquid storage device is communicated with an inlet of the filter; and the outlet of the filter is respectively communicated with the air cooler evaporators in the first refrigeration house, the second refrigeration house and the third refrigeration house sequentially through the liquid supply electromagnetic valve and the expansion valve.
Furthermore, the oil separator is respectively connected with the air cooler evaporators in the first refrigeration house, the second refrigeration house and the third refrigeration house through hot gas electromagnetic valves.
Furthermore, the first refrigeration house, the second refrigeration house and the third refrigeration house are respectively connected with the liquid accumulator through a defrosting and draining electromagnetic valve and an auxiliary evaporator one-way valve.
Furthermore, the first refrigeration house, the second refrigeration house and the third refrigeration house are respectively connected with the auxiliary evaporator through a defrosting and draining electromagnetic valve, an auxiliary evaporator liquid supply electromagnetic valve and an auxiliary evaporator expansion valve in sequence.
Further, the auxiliary evaporator is located inside the condenser.
The system provided by the utility model achieves the defrosting purpose by means of the environmental heat under the condition of not influencing the normal operation of the refrigeration house, on one hand, reduces the electricity charge consumed by refrigeration, and simultaneously ensures that the refrigeration efficiency is not reduced; the system is simple in structure and can stably operate.
Drawings
FIG. 1 is a schematic diagram of the structure of the system of the present invention;
in the figure: the system comprises a compressor 1, an oil separator 2, a gas separator 3, a condenser 4, a liquid reservoir 5, a filter 6, a liquid supply solenoid valve 7, an expansion valve 8, a hot gas solenoid valve 9, a defrosting and draining solenoid valve 10, a refrigerating and air returning solenoid valve 11, an auxiliary evaporator liquid supply solenoid valve 12, an auxiliary evaporator expansion valve 13, an auxiliary evaporator check valve 14, an auxiliary evaporator 15, an auxiliary evaporator 18, a first refrigeration storage 19, a second refrigeration storage and a third refrigeration storage 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the fan defrosting system for a high-efficiency energy-saving food refrigerator includes a compressor 1, an oil separator 2, a gas separator 3, a condenser 4, a liquid reservoir 5, a filter 6, an auxiliary evaporator 15 and a refrigerator; the cold storage is composed of a first cold storage 18, a second cold storage 19 and a third cold storage 20; the first refrigeration house 18, the second refrigeration house 19 and the third refrigeration house 20 are respectively connected with an inlet of the gas separator 3 through the refrigeration gas return electromagnetic valve 11, and an outlet of the gas separator 3 is connected with a gas inlet of the compressor 1 through a pipeline; an air outlet of the compressor 1 is connected with an inlet of the oil separator 2 through a pipeline, an outlet of the oil separator 2 is connected with an inlet of the condenser 4 through a pipeline, an outlet of the condenser 4 is connected with an inlet of the liquid storage device 5, and an outlet of the liquid storage device 5 is communicated with an inlet of the filter 6; the outlet of the filter 6 is respectively communicated with the cold air blower evaporators in the first cold storage 18, the second cold storage 19 and the third cold storage 20 through the liquid supply electromagnetic valve 7 and the expansion valve 8 in sequence.
The oil separator 2 is respectively connected with the air cooler evaporators in the first freezer 18, the second freezer 19 and the third freezer 20 through the hot gas electromagnetic valve 9.
Specifically, a first refrigeration house 18, a second refrigeration house 19 and a third refrigeration house 20 are respectively connected with the liquid accumulator 5 through the defrosting and draining electromagnetic valve 10 and the auxiliary evaporator one-way valve 14; the first refrigeration house 18, the second refrigeration house 19 and the third refrigeration house 20 are respectively connected with the auxiliary evaporator 15 through the defrosting and draining electromagnetic valve 10, the auxiliary evaporator liquid supply electromagnetic valve 12 and the auxiliary evaporator expansion valve 13 in sequence.
In this embodiment, an auxiliary evaporator 15 is located inside the condenser 4, and the outlet of the auxiliary evaporator is connected to the gas separator 3 through a pipe.
The refrigeration working principle is as follows: the compressor 1 sucks the refrigerant gas of the air cooler evaporator in the first freezer 18, the second freezer 19 and the third freezer 20 through the refrigeration air return electromagnetic valve 11 and the gas separator 3 respectively, the refrigerant gas is discharged into the oil separator 2 and the condenser 4 after being compressed, the refrigerant gas is condensed into liquid in the condenser 4, the condensed liquid enters the liquid storage device 5, the refrigerant liquid discharged from the liquid storage device 5 sequentially passes through the filter 6, the liquid supply electromagnetic valve 7 and the gas-liquid mixture expanded by the expansion valve 8 and enters the evaporators in the three freezers for evaporation and heat absorption, and the refrigerant gas gasified in the evaporators is sucked away by the compressor 1 to complete a cycle, so that the refrigeration process is completed.
The working principle of thermal defrosting is as follows: after being separated by the oil separator 2, hot gas exhausted by the compressor 1 respectively enters the air cooler evaporators in the first freezer 18, the second freezer 19 and the third freezer 20 through the hot gas electromagnetic valve 9 to be subjected to hot gas defrosting. When three cold storages are independently defrosted respectively, because some cold storages are defrosted and some cold storages are refrigerated, at the moment, defrosted liquid enters the liquid storage device 5 through the defrosting and liquid draining electromagnetic valve 10 and the auxiliary evaporator one-way valve 14 to participate in the refrigeration of other cold storages; when three cold storages are defrosted or the heat is insufficient, the defrosted refrigerant liquid sequentially passes through the defrosting and draining electromagnetic valve 10, the auxiliary evaporator liquid supply electromagnetic valve 12 and the auxiliary evaporator expansion valve 13 and enters the auxiliary evaporator 15 to absorb the heat.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A high-efficiency energy-saving food refrigerator fan defrosting system is characterized by comprising a compressor (1), an oil separator (2), a gas separator (3), a condenser (4), a liquid accumulator (5), a filter (6), an auxiliary evaporator (15) and a refrigerator; the cold storage is composed of a first cold storage (18), a second cold storage (19) and a third cold storage (20); the first refrigeration house (18), the second refrigeration house (19) and the third refrigeration house (20) are respectively connected with an inlet of the gas separator (3) through a refrigeration gas return electromagnetic valve (11), and an outlet of the gas separator (3) is connected with a gas inlet of the compressor (1) through a pipeline; an air outlet of the compressor (1) is connected with an inlet of the oil separator (2) through a pipeline, an outlet of the oil separator (2) is connected with an inlet of the condenser (4) through a pipeline, an outlet of the condenser (4) is connected with an inlet of the liquid reservoir (5), and an outlet of the liquid reservoir (5) is communicated with an inlet of the filter (6); and the outlet of the filter (6) is communicated with the air cooler evaporators in the first refrigeration house (18), the second refrigeration house (19) and the third refrigeration house (20) sequentially through a liquid supply electromagnetic valve (7) and an expansion valve (8).
2. The efficient energy-saving food refrigerator fan defrosting system according to claim 1, wherein the oil separator (2) is respectively connected with the air cooler evaporators in the first refrigerator (18), the second refrigerator (19) and the third refrigerator (20) through a hot gas electromagnetic valve (9).
3. The efficient energy-saving food refrigerator fan defrosting system according to claim 1, wherein the first refrigerator (18), the second refrigerator (19) and the third refrigerator (20) are respectively connected with the liquid accumulator (5) through a defrosting and draining electromagnetic valve (10) and an auxiliary evaporator check valve (14).
4. The efficient energy-saving food refrigerator fan defrosting system according to claim 1, wherein the first refrigerator (18), the second refrigerator (19) and the third refrigerator (20) are respectively connected with the auxiliary evaporator (15) sequentially through a defrosting and draining electromagnetic valve (10), an auxiliary evaporator liquid supply electromagnetic valve (12) and an auxiliary evaporator expansion valve (13).
5. The fan defrosting system of a high-efficiency energy-saving food cooler according to claim 1, characterized in that the auxiliary evaporator (15) is positioned inside the condenser (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221151348.7U CN217357670U (en) | 2022-05-13 | 2022-05-13 | Energy-efficient food freezer fan defrosting system |
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CN202221151348.7U CN217357670U (en) | 2022-05-13 | 2022-05-13 | Energy-efficient food freezer fan defrosting system |
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Publication Number | Publication Date |
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CN217357670U true CN217357670U (en) | 2022-09-02 |
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CN202221151348.7U Active CN217357670U (en) | 2022-05-13 | 2022-05-13 | Energy-efficient food freezer fan defrosting system |
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CN (1) | CN217357670U (en) |
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2022
- 2022-05-13 CN CN202221151348.7U patent/CN217357670U/en active Active
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An efficient and energy-saving defrosting system for food cold storage fans Granted publication date: 20220902 Pledgee: Jinan Zhangqiu District Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: SHANDONG SHENZHOU REFRIGERATION EQUIPMENT Co.,Ltd. Registration number: Y2024980010076 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |