CN108278805A - A kind of ammonia refrigeration storage system of air centralized processing cooling - Google Patents
A kind of ammonia refrigeration storage system of air centralized processing cooling Download PDFInfo
- Publication number
- CN108278805A CN108278805A CN201810208822.7A CN201810208822A CN108278805A CN 108278805 A CN108278805 A CN 108278805A CN 201810208822 A CN201810208822 A CN 201810208822A CN 108278805 A CN108278805 A CN 108278805A
- Authority
- CN
- China
- Prior art keywords
- evaporator
- air
- outlet
- air inlet
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
-
- 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
- F25D17/042—Air treating means within refrigerated spaces
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/12—Removing frost by hot-fluid circulating system separate from the refrigerant system
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)
- Defrosting Systems (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention discloses the ammonia refrigeration storage system of air centralized processing cooling, including refrigeration compressor, evaporator, centrifugal blower；Evaporator is placed on centrifugal blower in isothermal holding case, and isothermal holding case bottom side is provided with air inlet and is provided with air outlet through the return air inlet sealed connection on air -return duct and the library, the other side and is tightly connected through the cold air inlet on cooling air duct and the library；Refrigeration compressor outlet is divided into two-way, is connect all the way with condenser inlet, another way takes over connection through second solenoid valve, pressure regulator valve and evaporator inlet；Condensator outlet is taken over evaporator inlet and is connect by the first solenoid valve, reducing pressure by regulating flow element；Evaporator outlet is connect through connecting line with gas-liquid separator inlet connection, and gas-liquid separator outlet is connect with refrigeration compressor entrance.The present invention enters evaporator using refrigeration compressor discharge high temperature and high pressure gas, and evaporator surface frost layer is melted, evaporator surface thermal resistance is reduced, and improves heat transfer efficiency, and refrigeration system runnability increases.
Description
Technical field
The present invention relates to Cold Chain Logistics freezing and refrigeration refrigeration technology fields, and in particular to a kind of air centralized processing cooling
Ammonia refrigeration storage system.
Background technology
Ammonia refrigerant synthesis technology is ripe, and it is easy to produce, cheap, and refrigerating effect per unit swept volume is big, and coefficient of refrigerating performance is high, puts
Hot coefficient is big, and when mutually synthermal and identical refrigerating capacity, ammonia compressor size is small.Therefore, ammonia refrigerant freezes cold in Cold Chain Logistics
Extensive use in the large cold storage in Tibetan field.But ammonia refrigerant is inflammable, toxic, NH_3 leakage brings injury to human body, causes fire
The accidents such as calamity occur, and cause heavy losses.Currently, China has the ammonia refrigeration system of a large amount of old freezers to face upgrading, with
The fast development for Cold Chain Logistics has a large amount of freezers to be badly in need of newly-built, it would be highly desirable to develop safe ammonia cold storage refrigerating system.
Invention content
The purpose of the present invention is being directed to technological deficiency existing in the prior art, a kind of air centralized processing cooling is provided
Ammonia refrigeration storage system, to be further ensured that the safety of ammonia cold storage refrigerating system.
The technical solution adopted to achieve the purpose of the present invention is as follows：
A kind of ammonia refrigeration storage system of air centralized processing cooling, including refrigeration compressor, evaporator, centrifugal blower；It is described
Evaporator is placed on centrifugal blower in isothermal holding case, and the bottom side of the isothermal holding case is provided with air inlet and passes through air -return duct
Be tightly connected with the return air inlet that is opened up in the library, the other side be provided with air outlet by the cold wind that is opened up on cooling air duct and the library into
Air port is tightly connected；The outlet of the refrigeration compressor is divided into two-way, is connect all the way with the import of condenser, and another way is through
The inlet connection of two solenoid valves, pressure regulator valve and evaporator connects；The outlet of the condenser passes through the first solenoid valve, reducing pressure by regulating flow
The inlet connection of element and evaporator connects；The outlet of the evaporator connects through the inlet connection of connecting line and gas-liquid separator
It connects, the outlet of the gas-liquid separator and the entrance of refrigeration compressor connect.
Top plate that the library is made by heat room plate, wallboard, bottom plate are spliced to form cube like structure, the library
Cold air inlet and return air inlet are offered on a framed side wallboard of the isothermal holding case, with cold air inlet and return air inlet phase
To offering doorframe on facing-wall board, doorframe coordinates with library door sealing.
First solenoid valve, second solenoid valve are switched on or switched off, and are popped one's head in and are controlled by evaporator surface frost layer.
The isothermal holding case is the thermal-insulating body of integral foam.
The present invention utilizes isothermal holding case air centralized processing, the cold wind after cooling to be sent in freezer, the air warp of heat absorption
Return air inlet returns to isothermal holding case so that refrigeration system is compact, and pipeline is few, ammonia filling quantity reduce, and prevent ammonia refrigerant it is inflammable,
Toxic, NH_3 leakage is brought damage to the human body, and is caused the generation of the accidents such as fire, is caused heavy losses, is safe and reliable ammonia
Cold storage refrigerating system.
In addition, the present invention enters evaporator using the high temperature and high pressure gas that refrigeration compressor is discharged, by evaporator surface frost
Melting layer reduces evaporator surface thermal resistance, improves heat transfer efficiency, and refrigeration system runnability increases.
Description of the drawings
Fig. 1 is the elevation of the ammonia refrigeration storage system of air centralized processing cooling of the present invention；
Fig. 2 is shown as the A-A cut-away views of Fig. 1.
Specific implementation mode
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein
Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
Shown in Fig. 1-2, a kind of ammonia refrigeration storage system of air centralized processing cooling, including：
Refrigeration compressor 1, gas-liquid separator 2, evaporator 3, isothermal holding case 4, cooling air duct 5, cold air inlet 6, library
Door 7, the library 8, air -return duct 9, centrifugal blower 10, reducing pressure by regulating flow element 11, the first solenoid valve 12, condenser 13, second solenoid valve
14, pressure regulator valve 15, return air inlet 16；
The isothermal holding case 4 is the thermal-insulating body of integral foam, and evaporator 3 is placed on isothermal holding with centrifugal blower 10
In case 4, the isothermal holding case 4 offers air inlet in evaporator 3 close to the bottom of refrigeration compressor side, and air inlet passes through
Air -return duct 9 is tightly connected with the return air inlet 16 that the library 8 opens up；Isothermal holding case 4 is offered in the bottom of the other side of evaporator 3
Air outlet is tightly connected by the cold air inlet 6 that cooling air duct 5 and the library 8 open up；
The outlet of the refrigeration compressor 1 is divided into two-way, is connect all the way with the import of condenser 13, another way passes through second
Solenoid valve 14, pressure regulator valve 15 connecting line pass through isothermal holding case 4 after, connect with the inlet connection of evaporator 3, the condensation
The outlet of device 13 passes through isothermal holding case 4 and evaporator 3 by the connecting line of the first solenoid valve 12, reducing pressure by regulating flow element 11
Inlet connection connects；The outlet of the evaporator 3 passes through the entrance of isothermal holding case 4 and gas-liquid separator 2 by connecting line
Connection is taken over, the outlet of the gas-liquid separator 2 is connect with the entrance of refrigeration compressor 1.
The library 8 forms cubic enclosed construction by top plate, wallboard, bottom plate splicing, and the plate, wallboard, bottom plate are adopted
Cold air inlet 6 and return air inlet 16 are offered with a framed side wallboard of heat room plate, the close isothermal holding case 4 of the library, it is right
That answers cold air inlet 6 and return air inlet 16 offers doorframe to facing-wall board, and doorframe coordinates with library door sealing.
First solenoid valve 12, second solenoid valve 14 are switched on or switched off, by 3 surface frost layer probe control of evaporator.
When refrigeration system is run, second solenoid valve 14 disconnects, and the first solenoid valve 12 is connected, and the high temperature of condensator outlet is high
Refrigerant liquid of the press liquid through reducing pressure by regulating flow enters evaporator 3, absorbs the atmospheric heat for flowing through evaporator 3, centrifugal blower 10
Cold wind of the air after evaporator cools down in the library 8 is sucked through cooling air duct 5, cold air inlet from return air inlet 16, air -return duct 9
6 are blown into the library 8.
When evaporator surface frost layer probe detects that 3 surface frost layer of evaporator is thicker, second solenoid valve 14 is connected, and first
Solenoid valve 12 disconnects, and the high temperature and high pressure gas of refrigeration compressor discharge is connected through second solenoid valve 14, and pressure regulator valve 15 is depressured laggard
Enter evaporator 3,3 surface frost layer of evaporator is melted, when evaporator surface frost layer probe detects that 3 surface frost layer of evaporator is melted
Afterwards, second solenoid valve 14 disconnects, and the first solenoid valve 12 is connected, and refrigeration system continues to freeze.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of ammonia refrigeration storage system of air centralized processing cooling, characterized in that including refrigeration compressor, evaporator, centrifugation wind
Machine；The evaporator is placed on centrifugal blower in isothermal holding case, and the bottom side of the isothermal holding case is provided with air inlet and leads to
Cross that air -return duct is tightly connected with the return air inlet that is opened up in the library, the other side is provided with air outlet by being opened up in cooling air duct and the library
Cold air inlet be tightly connected；The outlet of the refrigeration compressor is divided into two-way, is connect all the way with the import of condenser, separately
Inlet connection connection through second solenoid valve, pressure regulator valve and evaporator all the way；The outlet of the condenser by the first solenoid valve,
The inlet connection of reducing pressure by regulating flow element and evaporator connects；The outlet of the evaporator entering through connecting line and gas-liquid separator
Mouth takes over connection, and the outlet of the gas-liquid separator and the entrance of refrigeration compressor connect.
2. the ammonia refrigeration storage system of air centralized processing cooling according to claim 1, characterized in that the library is by heat room
Top plate, wallboard, the bottom plate of plate making are spliced to form cube like structure, the side of the close isothermal holding case of the library
Cold air inlet and return air inlet are offered on wallboard, it is opposite with cold air inlet and return air inlet to offering door on facing-wall board
Frame, doorframe coordinate with library door sealing.
3. the ammonia refrigeration storage system of air centralized processing cooling according to claim 1, characterized in that first solenoid valve,
Second solenoid valve is switched on or switched off, and is popped one's head in and is controlled by evaporator surface frost layer.
4. the ammonia refrigeration storage system of air centralized processing cooling according to claim 1, characterized in that the isothermal holding case is
The thermal-insulating body of integral foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810208822.7A CN108278805A (en) | 2018-03-14 | 2018-03-14 | A kind of ammonia refrigeration storage system of air centralized processing cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810208822.7A CN108278805A (en) | 2018-03-14 | 2018-03-14 | A kind of ammonia refrigeration storage system of air centralized processing cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108278805A true CN108278805A (en) | 2018-07-13 |
Family
ID=62809483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810208822.7A Pending CN108278805A (en) | 2018-03-14 | 2018-03-14 | A kind of ammonia refrigeration storage system of air centralized processing cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108278805A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210654A (en) * | 2018-10-15 | 2019-01-15 | 天津商业大学 | A kind of heat pump and air-conditioning system of synchronous defrosting and refrigeration |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201062909Y (en) * | 2007-07-13 | 2008-05-21 | 广西壮族自治区农业科学院种质库 | Device for heating fluorine and opposing frost for germplasm repository |
| CN101738054A (en) * | 2009-12-30 | 2010-06-16 | 天津大学 | Method for defrosting based on by-pass circulating defrosting structure of refrigerator |
| CN103868308A (en) * | 2014-03-19 | 2014-06-18 | 天津大学 | Variable volume type freezing and refrigerating storage two-unit joint operating device and operating method thereof |
| CN208012193U (en) * | 2018-03-14 | 2018-10-26 | 天津商业大学 | A kind of ammonia refrigeration storage system of air centralized processing cooling |
-
2018
- 2018-03-14 CN CN201810208822.7A patent/CN108278805A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201062909Y (en) * | 2007-07-13 | 2008-05-21 | 广西壮族自治区农业科学院种质库 | Device for heating fluorine and opposing frost for germplasm repository |
| CN101738054A (en) * | 2009-12-30 | 2010-06-16 | 天津大学 | Method for defrosting based on by-pass circulating defrosting structure of refrigerator |
| CN103868308A (en) * | 2014-03-19 | 2014-06-18 | 天津大学 | Variable volume type freezing and refrigerating storage two-unit joint operating device and operating method thereof |
| CN208012193U (en) * | 2018-03-14 | 2018-10-26 | 天津商业大学 | A kind of ammonia refrigeration storage system of air centralized processing cooling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210654A (en) * | 2018-10-15 | 2019-01-15 | 天津商业大学 | A kind of heat pump and air-conditioning system of synchronous defrosting and refrigeration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2009052368A1 (en) | A medium- and low-temperature integrated refrigerating/freezing system | |
| CA1295545C (en) | Method and device for compression of gases | |
| CN104359246B (en) | CO2 two-temperature refrigerating system adopting vortex liquid separation and ejector injection | |
| CN105482863B (en) | The method that natural gas lyophilization de-hydrocarbon system and natural gas lyophilization take off hydrocarbon | |
| US11536503B2 (en) | Refrigerated container refrigeration system capable of preventing freezing of container door | |
| CN106322883A (en) | Air-cooled refrigerator and control method thereof | |
| CN108458511A (en) | It is a kind of to be in direct contact condensation refrigerating system with hot gas defrosting | |
| CN107816818A (en) | A kind of folding type cooling system of freezer with hot gas defrosting | |
| CN201259361Y (en) | Environment protection travelling type fridge-freezer used outdoor | |
| CN112033080A (en) | Refrigeration house refrigeration system and refrigeration control method | |
| CN208012193U (en) | A kind of ammonia refrigeration storage system of air centralized processing cooling | |
| CN208332736U (en) | A kind of direct condensation by contact refrigeration system with hot gas defrosting | |
| CN108278805A (en) | A kind of ammonia refrigeration storage system of air centralized processing cooling | |
| CN103900311B (en) | Refrigerating system and freezing and refrigerating device using same | |
| CN205082610U (en) | Prepared food vacuum precooling desiccator | |
| CN206683156U (en) | Refrigerating system | |
| CN217302995U (en) | Special air conditioning unit of integrative grain of slow su of multi-functional segmentation cooling | |
| CN207600009U (en) | A kind of folding type cooling system of freezer with hot gas defrosting | |
| CN207501325U (en) | Carbon dioxide recovery refrigerated air-conditioning system in closed working space | |
| CN207095137U (en) | Heat pump system and freezer | |
| CN212320121U (en) | Refrigerating equipment for freezing-proof refrigerator container door | |
| CN207649209U (en) | A kind of anti-condensation refrigeration system of thermal protection and the refrigerator with the system or refrigerator-freezer | |
| CN105308395B (en) | Refrigerating device | |
| CN109197179A (en) | A kind of whole storehouse cooling of grain depot and drying unit | |
| CN107323334A (en) | A kind of LNG refrigerator cars |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180713 |
|
| RJ01 | Rejection of invention patent application after publication |