CN207162999U - A kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system - Google Patents
A kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system Download PDFInfo
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- CN207162999U CN207162999U CN201721184789.6U CN201721184789U CN207162999U CN 207162999 U CN207162999 U CN 207162999U CN 201721184789 U CN201721184789 U CN 201721184789U CN 207162999 U CN207162999 U CN 207162999U
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Abstract
A kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system of the present utility model, its structure includes circulation barrel, compressor, condenser, reservoir and evaporator, evaporator is installed in freezer, and condenser is implanted into underground directly can carry out heat exchange with the earth or underground water.Lasting refrigeration to freezer is realized by uninterrupted flowing of the carbon dioxide coolant in circulation loop, carbon dioxide is the unique working medium of the refrigeration system, even in underground reveal, also will not polluted underground water resource, more will not destructively descend the ecological balance；Because evaporator includes air-cooler and overhead coil, cooling precooling first is carried out to freezer with air-cooler, then overhead coil circularly cooling maintains the temperature stabilization in freezer, so that the temperature difference fluctuation range in freezer is very small, so as to realize Icetemperature Storage；Because condenser implantation underground directly can carry out heat exchange with the earth, mechanical energy loss during condensing heat-exchange is eliminated, significantly reduces energy consumption.
Description
Technical field
It the utility model is related to freezer refrigerating technical field, and in particular to a kind of independent humidification-type fruits and vegetables ice temperature stereo garage two
Carbonoxide refrigeration system.
Background technology
With the fast development of economy, the continuous improvement of living standards of the people, consumer is continuously increased to fruits and vegetables demand,
And also more and more higher, this requirement have promoted domestic surgery to the requirement to its freshness, outward appearance, nutrition, mouthfeel etc. significantly
Unremitting research of the worker to storage fruit and vegetable method.
Ice-temperature technique is the third generation food storage preservation technology after tradition refrigeration, freezing, but narrow ice temperature
Rapid Popularization of the ice-temperature technique in China is limited with scope, that is, fruits and vegetables are needed in the very small freezer of temperature difference fluctuation range
Interior to realize ice temperature fresh-keeping, freezer is also stereo garage.The existing refrigeration system freezed to freezer not only high energy consumption, and
And cannot be guaranteed that the temperature difference in freezer is stirred in very small scope, when carrying out long to the fruits and vegetables in it so as to cause to realize
Between Icetemperature Storage.In addition, in terms of refrigerant, it is more in cold storage refrigerating system both at home and abroad at present that system is used as using freon, ammonia
Cryogen, but freon can damage the ozone layer and produce certain greenhouse effects, it is not environmentally friendly enough, and ammonia is poisonous and has and explodes
Potential hazard, very high potential safety hazard be present.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of independent humidification-type fruits and vegetables ice temperature is three-dimensional
Storehouse carbon dioxide refrigerating system, the carbon dioxide refrigerating system not only ensure that the temperature difference in freezer is stirred in very small scope,
The prolonged Icetemperature Storage of fruits and vegetables is realized, and safety and environmental protection, energy consumption are low.
A kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system of the present utility model, its technical scheme
For：
Circulation barrel, compressor, condenser, reservoir and evaporator including being in turn connected into circulation loop by pipeline, pipe
In road circulation have carbon dioxide coolant, evaporator is installed in freezer, and evaporator include can be pre- to freezer fast cooling
Cold air-cooler and be able to maintain that the stable overhead coil of temperature of ice house, condenser be implanted into underground with can directly with the earth or ground
Lower water carries out heat exchange.
Wherein, in addition to ball-cock assembly, reservoir include the first reservoir and the second reservoir, the gas outlet difference of ball-cock assembly
Pass through the top of pressure pipeline the first reservoir of connection, the top of the second reservoir, the top of the first reservoir and the second liquid storage
The top of device all connects the air inlet of circulation barrel by pump-line, and pressure pipeline and pump-line are fitted with magnetic valve；Follow
The liquid outlet of ring bucket passes through the bottom of liquid storage pipeline the first reservoir of connection, the bottom of the second reservoir, the first reservoir respectively
Bottom evaporator is all connected by liquid-transport pipe-line with the bottom of the second reservoir, liquid storage pipeline and liquid-transport pipe-line are fitted with list
To valve.
Wherein, air-cooler and overhead coil are arranged in parallel, and every liquid storage pipeline is fitted with being used for regulation of carbon dioxide stream
The regulating valve of amount.
Wherein, condenser is implanted condenser, and condenser includes multiple in parallel and erects straight arranged condenser pipe.
Wherein, condenser pipe is one kind or at least two among single U tube, double U tube and helix tube.
Wherein, the pressure that implanted condenser can be born is not more than 120bar.
Wherein, condenser pipe is embedded in below frozen soil layer at 100m.
Wherein, condenser is the condenser made of the stainless steel of pressure-resistant corrosion-resistant.
Wherein, the pressure that evaporator can be born is not more than 40bar.
Wherein, the upper space in freezer is also equipped with that fruits and vegetables can be carried out the humidification device of shower humidification.
Implementation of the present utility model includes following technique effect：
Stereo garage carbon dioxide refrigerating system of the present utility model, its structure include being in turn connected into circulation loop by pipeline
Circulation barrel, compressor, condenser, ball-cock assembly, reservoir and evaporator, evaporator is installed in freezer, and evaporator includes
Air-cooler that can be to freezer fast cooling precooling and the overhead coil for being able to maintain that temperature of ice house stabilization, condenser implantation underground
So that heat exchange directly can be carried out with the earth or underground water.Pass through uninterrupted flowing of the carbon dioxide coolant in circulation loop
To realize the lasting refrigeration to freezer, carbon dioxide is the unique working medium of the refrigeration system, reveals even in underground, will not also pollute
Groundwater resources, it more will not destructively descend the ecological balance, more safety and environmental protection；Because evaporator includes air-cooler and overhead coil,
Fast cooling precooling first is carried out to freezer with air-cooler, then overhead coil circularly cooling maintains the temperature stabilization in freezer, so that
Temperature difference fluctuation range in freezer is very small, so as to which the prolonged Icetemperature Storage of fruits and vegetables can be achieved；Because condenser is implanted into ground
It is beneath so that heat exchange directly can be carried out with the earth, mechanical energy loss when eliminating condensing heat-exchange, significantly reduce energy consumption.
Brief description of the drawings
Fig. 1 is the principle schematic of freezer carbon dioxide refrigerating system of the present utility model.
Fig. 2 is the schematic layout pattern in freezer of the present utility model.
Reference in Fig. 1 and Fig. 2 is：
1- circulation barrels；
2- compressors；
3- condensers；
The reservoirs of 41- first, the reservoirs of 42- second；
5- ball-cock assemblys；
6- evaporators, 61- air-coolers, 62- overhead coils；
7- pressure pipelines；
8- pump-lines；
9- liquid storage pipelines；
10- liquid-transport pipe-lines；
11- magnetic valves；
12- check valves；
13- regulating valves；
14- pilers；
15- shelf；
16- humidification devices.
Embodiment
The utility model is described in detail below in conjunction with embodiment and accompanying drawing, it should be pointed out that described
Embodiment be intended merely to facilitate to understanding of the present utility model, and do not play any restriction effect to it.
Referring to a kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide system that shown in Fig. 1 and Fig. 2, the present embodiment provides
Cooling system, its structure include circulation barrel 1, compressor 2, condenser 3, ball-cock assembly 5, reservoir and evaporator 6, wherein, circulation barrel 1
For low pressure recycle bucket, reservoir has two, respectively the first reservoir 41 and the second reservoir 42.The gas outlet of circulation barrel 1 leads to
Piping is sequentially connected the air inlet of compressor 2, condenser 3 and ball-cock assembly 5, and the gas outlet of ball-cock assembly 5 passes through pressure pipe respectively
Road 7 connects top, the top of the second reservoir 42 of the first reservoir 41, the top of the first reservoir 41 and the second reservoir 42
Top all by pump-line 8 connect circulation barrel 1 air inlet, pressure pipeline 7 and pump-line 8 are fitted with magnetic valve
11；The liquid outlet of circulation barrel 1 respectively by liquid storage pipeline 9 connect the bottom of the first reservoir 41, the second reservoir 42 bottom,
The bottom of first reservoir 41 and the bottom of the second reservoir 42 all connect the inlet of evaporator 6, storage by liquid-transport pipe-line 10
Liquid pipe road 9 and liquid-transport pipe-line 10 are fitted with check valve 12；The gas outlet of evaporator 6 also connects entering for circulation barrel 1 by pipeline
Gas port.In all pipelines, including pressure pipeline 7, pump-line 8, liquid storage pipeline 9 and liquid-transport pipe-line 10, all circulation have dioxy
Change carbon refrigerant, its flow direction is as shown in middle arrow on Fig. 1 pipelines.Natural medium carbon dioxide is the unique work of the refrigeration system
Matter, even in underground reveal, also will not polluted underground water resource, more will not destructively descend the ecological balance, more safety and environmental protection.Steam
Hair device 6 is installed in freezer, and evaporator 6 includes to the air-cooler 61 of freezer fast cooling precooling and to be able to maintain that cold
The overhead coil 62 of storehouse temperature stabilization, condenser 3 are implanted condenser 3, and condenser 3 needs 100m below implantation frozen soil layer to sentence
Condenser 3 is set directly to carry out heat exchange with the earth.
In carbon dioxide refrigerating system normal work, reservoir one plays liquid storage function, and another plays feed flow function, and
And the function of two reservoirs can switch at any time as needed.Assuming that in refrigeration system now, the first reservoir 41 is
Reservoir, the second reservoir 42 are fluid supplier, and the magnetic valve 11 between the reservoir 41 of ball-cock assembly 5 and first closes；Circulation barrel 1 with
Magnetic valve 11 between first reservoir 41 is opened, and the magnetic valve 11 between the reservoir 42 of circulation barrel 1 and second closes.Whole system
Cold process is that the carbon dioxide of the low-temp low-pressure of the reservoir 41 of circulation barrel 1 and first is pumped into it by compressor reducer, compressed
Be changed into afterwards HTHP flow of carbon dioxide gas enter condenser 3 with the earth or underground water exchanged heat, be then condensed into height
The carbon dioxide liquid of pressure enters ball-cock assembly 5, and the carbon dioxide liquid in ball-cock assembly 5 enters after the reducing pressure by regulating flow of ball-cock assembly 5 to be followed
Ring bucket 1, then flow into the first reservoir 41 along liquid storage pipeline 9 under gravity and stored, then open ball-cock assembly 5 and the
Magnetic valve 11 between two reservoirs 42, the low pressure CO 2 of the second reservoir 42 will be previously stored in the presence of pressure difference
Liquid is sent into evaporator 6 and is changed into gas-liquid mixture after drawing the heat that fruits and vegetables discharge in freezer, is finally back to low pressure
Gas-liquid two-phase is isolated in circulation barrel 1, so as to complete a kind of refrigeration cycle.With the extension of cooling time, the second reservoir 42
Interior carbon dioxide liquid is fewer and fewer, and the carbon dioxide liquid in the first reservoir 41 is more and more, treats the second reservoir 42
Carbon dioxide liquid when reducing to certain volume, the magnetic valve 11 on pressure pipeline 7 and pump-line 8 starts to switch,
So that the second reservoir 42 is changed into reservoir, the first reservoir 41 is changed into fluid supplier, such liquid storage of second reservoir 42 and first
The checker function of device 41 so that the refrigeration system can be stablized and persistently freeze.The magnetic valve 11 and unidirectional in the refrigeration system
Valve 12 is arranged in strict accordance with shown in Fig. 1, by the collective effect of magnetic valve 11 and check valve 12, ensure system liquid storage with
Feed flow is normal.
Further, placement location must be high in vertical height in Practical Project for circulation barrel 1 in the refrigeration system
In the position of two reservoirs, it is equal so just to can ensure that the low pressure liquid in circulation barrel 1 smoothly flows under gravity
In reservoir under pressure.
Evaporator 6 includes air-cooler 61 and overhead coil 62, air-cooler 61 and the arranged in parallel of overhead coil 62, every liquid storage pipeline
9 are fitted with regulating valve 13, for the refrigerant flow of evaporator 6 in regulation warehouse inflow.First opened for the fruits and vegetables for just entering freezer
Air-cooler 61 carries out precooling, because the precooling speed of air-cooler 61 is fast, can quickly remove the most field heat of fruits and vegetables, work as freezer
When interior temperature is down to 3 DEG C or so, overhead coil 62 is switched to freeze, overhead coil 62 can further reduce the temperature in freezer
Between to -1 DEG C~-2.5 DEG C, this temperature range is the freezing point of fruits and vegetables, and overhead coil 62 persistently can cause in freezer
Temperature fluctuation can be controlled within ± 0.5 DEG C.Upper space in freezer is also equipped with that shower humidification can be carried out to fruits and vegetables
Humidification device 16.When temperature stabilization in storehouse is in freezing point, humidification device 16 carries out shower humidification to the fruit and vegetable surfaces in freezer so that
Fruit and vegetable surfaces can form one layer of very thin ice film, and so as to realize ice temperature fresh-keeping, ice temperature fresh-keeping can enable fruits and vegetables to store for a long time
Hide and avoid the drying loss of fruits and vegetables, and then farthest keep the original quality of fruits and vegetables.
As shown in Fig. 2 the middle part in freezer is piler 14, the both racks 15 of piler 14, piler 14 will be fed into
The fruits and vegetables of freezer is are placed on shelf 15, in order that fruit and vegetable surfaces humidification is uniform, also avoid water from spilling to piler 14, humidification dress
Put 16 tops for being arranged on shelf 15.To avoid cold wind blow-through fruits and vegetables from causing part drying loss in precooling process, air-cooler 61 selects
Vertically lower bleed type, is arranged in the tunnel top of piler 14, as shown in Fig. 2 positions.
In the present embodiment, condenser 3 is implanted condenser 3, and condenser 3 includes multiple in parallel and erects straight arranged condensation
Pipe.Implanted condenser 3 is run under high pressure, and its maximum is subjected to pressure and is not more than 120bar.Evaporator 6 is subcritical in storehouse
Scope is run, and its maximum is subjected to pressure and is not more than 40bar.The form of implanted heat exchanger is indefinite, can use as needed
One kind or this several combination in single U tube, double U tube or helix tube.In view of improving heat transfer effect, construction cost and account for
Ground area, implanted condenser 3 should be embedded in the deep scopes of 100m below local frozen soil layer.Because implanted condenser 3 is long-term
Subsurface is embedded in, corrosion resistant stainless steel need to be used.To ensure this two system oil return, in the height of implanted condenser 3
Need to set a number of oil return bend on direction.
In the present embodiment, reservoir first does simple isothermal holding and then is buried underground 4m depths again in specific implementation
Place, prevents influence of the surrounding environment to low pressure liquid.
Carbon dioxide refrigerating system of the present utility model, the refrigeration system Environmental Safety, it is not limited to fruits and vegetables ice Wen Ku's
Using could be applicable to some places high to accuracy of temperature control requirement, the medical storehouse of such as medical industry.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality
With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general
It is logical it will be appreciated by the skilled person that can be modified to the technical solution of the utility model or equivalent substitution, without departing from this
The spirit and scope of utility model technical scheme.
Claims (10)
1. a kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system, including be in turn connected into and be recycled back to by pipeline
Circulation barrel, compressor, condenser, reservoir and the evaporator on road, it is characterised in that：Circulation has carbon dioxide refrigeration in pipeline
Agent, evaporator are installed in freezer, and evaporator includes to the air-cooler of freezer fast cooling precooling and to be able to maintain that cold
The overhead coil of storehouse temperature stabilization, condenser are implanted into underground directly can carry out heat exchange with the earth or underground water.
2. a kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system according to claim 1, its feature
It is：Also include ball-cock assembly, reservoir includes the first reservoir and the second reservoir, and the gas outlet of ball-cock assembly passes through pressure respectively
Pipeline connects the top at top, the top of the second reservoir of the first reservoir, the top of the first reservoir and the second reservoir
The air inlet of circulation barrel is all connected by pump-line, pressure pipeline and pump-line are fitted with magnetic valve；Circulation barrel goes out
Liquid mouth respectively by liquid storage pipeline connect the bottom of the first reservoir, the second reservoir bottom, the bottom of the first reservoir and
The bottom of second reservoir all connects evaporator by liquid-transport pipe-line, and liquid storage pipeline and liquid-transport pipe-line are fitted with check valve.
3. a kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system according to claim 2, its feature
It is：Air-cooler and overhead coil are arranged in parallel, and every liquid storage pipeline is fitted with the regulation for regulation of carbon dioxide flow
Valve.
A kind of 4. independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigeration system according to claim any one of 1-3
System, it is characterised in that：Condenser is implanted condenser, and condenser includes multiple in parallel and erects straight arranged condenser pipe.
5. a kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system according to claim 4, its feature
It is：Condenser pipe is one kind or at least two among single U tube, double U tube and helix tube.
6. a kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system according to claim 4, its feature
It is：The pressure that implanted condenser can be born is not more than 120bar.
7. a kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system according to claim 4, its feature
It is：Condenser pipe is embedded in below frozen soil layer at 100m.
8. a kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system according to claim 4, its feature
It is：Condenser is the condenser made of the stainless steel of pressure-resistant corrosion-resistant.
A kind of 9. independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigeration system according to claim any one of 1-3
System, it is characterised in that：The pressure that evaporator can be born is not more than 40bar.
A kind of 10. independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigeration system according to claim any one of 1-3
System, it is characterised in that：Upper space in freezer is also equipped with that fruits and vegetables can be carried out the humidification device of shower humidification.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184789.6U CN207162999U (en) | 2017-09-15 | 2017-09-15 | A kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184789.6U CN207162999U (en) | 2017-09-15 | 2017-09-15 | A kind of independent humidification-type fruits and vegetables ice temperature stereo garage carbon dioxide refrigerating system |
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| CN207162999U true CN207162999U (en) | 2018-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116804496A (en) * | 2023-08-23 | 2023-09-26 | 江苏星星冷链科技有限公司 | Control method and system for refrigeration storage refrigerating unit based on carbon dioxide refrigeration |
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2017
- 2017-09-15 CN CN201721184789.6U patent/CN207162999U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116804496A (en) * | 2023-08-23 | 2023-09-26 | 江苏星星冷链科技有限公司 | Control method and system for refrigeration storage refrigerating unit based on carbon dioxide refrigeration |
| CN116804496B (en) * | 2023-08-23 | 2023-10-27 | 江苏星星冷链科技有限公司 | Control method and system for refrigeration storage refrigerating unit based on carbon dioxide refrigeration |
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