CN207515329U - It is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system - Google Patents
It is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system Download PDFInfo
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- CN207515329U CN207515329U CN201721212629.8U CN201721212629U CN207515329U CN 207515329 U CN207515329 U CN 207515329U CN 201721212629 U CN201721212629 U CN 201721212629U CN 207515329 U CN207515329 U CN 207515329U
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Abstract
The utility model discloses it is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system, condenser system including high temperature refrigerating system, medium temperature refrigerating system and deepfreeze system and to high temperature refrigerating system, the cooling of middle deepfreeze system, high temperature refrigerating system is provided with several high temperature branches, medium temperature refrigerating system is provided with several medium temperature branches, deepfreeze system is provided with several low temperature branch, high temperature branch road is respectively connected with high-temperature air cooler, and CO is respectively connected on medium temperature branch and low temperature branch2Air-cooler, corresponding medium temperature branch and low temperature branch are connected to same CO two-by-two2On air-cooler, a high-temperature air cooler and CO are set in each cold2Air-cooler can be realized it is independent to each cold carry out high temperature, in mild low temperature conversion, temperature regulating range it is big and do not influence other it is cold in temperature, realize the cost that cold and refrigeration system are reduced while single cold temperature is adjusted.
Description
Technical field
The utility model belongs to field of refrigeration, and in particular to it is a kind of can warm area alternating temperature entirely integrated form freezer refrigerating system
System.
Background technology
Since existing large cold storage exists simultaneously multiple cold, if multiple cold share a cold storage refrigerating system,
Necessary all cold while switching temperature can not meet the needs of alternating temperature is realized in cold of part, if being respectively mounted one at each cold
A cold storage refrigerating system, the needs big to realize single cold alternating temperature span, then need in single cold cover refrigeration equipments and
Refrigeration system, refrigeration system and equipment occupation of land are larger, increase the floor space of equipment and refrigeration system cost.
Utility model content
Technical problem to be solved in the utility model be just to provide it is a kind of can be to each warm area independent temperature adjustment can
The integrated form cold storage refrigerating system of full warm area alternating temperature.
In order to solve the above technical problems, the utility model adopts the following technical solution：It is a kind of can warm area alternating temperature entirely it is integrated
Formula cold storage refrigerating system, including high temperature refrigerating system, medium temperature refrigerating system and deepfreeze system and to high temperature refrigerating system,
The condenser system of middle deepfreeze system cooling, high temperature refrigerating system are provided with several high temperature branches, and medium temperature refrigerating system is set
Several medium temperature branches are equipped with, deepfreeze system is provided with several low temperature branch, and it is cold that high temperature branch road is respectively connected with high temperature
Wind turbine is respectively connected with CO on medium temperature branch and low temperature branch2Air-cooler, corresponding medium temperature branch and low temperature branch are connected to two-by-two
Same CO2On air-cooler.
Further, condenser system includes condenser/evaporator, high temperature gas-liquid separator, high temperature compressor, warm condenser
With high temperature liquid storage device, condenser/evaporator is connected respectively with high temperature refrigerating system, medium temperature refrigerating system and deepfreeze system.
Further, high temperature oil eliminator is provided on the air inlet pipeline that warm condenser is connected with high temperature compressor.
Further, heating power expansion valve is provided in the air inlet pipe that high-temperature air cooler is connected with condenser/evaporator, heating power is swollen
Shut-off valve and solenoid valve are provided between swollen valve and condenser/evaporator.
Further, the CO of medium temperature refrigerating system2CO is provided on the inlet tube that air-cooler is connected with condenser/evaporator2Storage
Liquid device, CO2Snorkel is communicated between liquid storage device and condenser/evaporator.
Further, the CO of medium temperature refrigerating system2Air-cooler and CO2CO is provided on the inlet tube that liquid storage device is connected2Feed flow
Pump, solenoid valve and shut-off valve.
Further, the CO of deepfreeze system2The inlet tube and CO of air-cooler2Liquid storage device is connected, CO2Air-cooler into
It is connected in liquid pipe positioned at CO2Electric expansion valve and shut-off valve between air-cooler and CO2 liquid storage devices.
Further, the CO of deepfreeze system2CO is provided in the air outlet pipe that air-cooler is connected with condenser/evaporator2Gas
Liquid/gas separator and CO2Compressor.
Further, CO2CO is connected between compressor and condenser/evaporator2Oil eliminator.
Further, it is both provided with check valve in high temperature refrigerating system, medium temperature refrigerating system and deepfreeze system.
Compared with prior art, the beneficial effects of the utility model are：
1st, high temperature refrigerating system, medium temperature refrigerating system and deepfreeze system it is each it is cold between in respectively set a branch, it is high
Warm branch, medium temperature branch and low temperature branch are respectively adjusted the temperature in cold, and the adjustable range of temperature is big, while not shadow
Ring other it is cold in temperature, realize the cost that cold and refrigeration system are reduced while single cold temperature is adjusted.
2nd, when condenser system works, the refrigerant of the liquid in high temperature liquid storage device enters condenser/evaporator and is evaporated into gaseous state
Refrigerant, the heat during this in absorption condensation evaporator, gaseous refrigerant enters high temperature gas-liquid separator, high temperature
The refrigerant of gaseous state and liquid is detached and accommodates the refrigerant of liquid by gas-liquid separator, prevents the refrigerant of liquid to height
Warm compressor causes liquid hammer, and then gaseous refrigerant enters high temperature oil eliminator, high temperature oil after high temperature compressor supercharging
By the lubricating oil separation in refrigerant, last gaseous refrigerant becomes liquid through warm condenser and flows into high temperature separator again
Liquid storage device waiting recycles next time.Because when refrigerant passes through high temperature compressor, parts of lubricating oil can be taken away, lubricating oil is with refrigeration
Agent can congeal into one layer of oil film when entering condenser and evaporator together on heat transfer wall, increase thermal resistance, so as to make condensation
The heat-transfer effect of device and evaporator reduce, reduce refrigeration effect, so using high temperature oil eliminator will be compressed after it is gaseous
Lubricating oil separation in refrigerant ensures the refrigeration effect of refrigerant.
3rd, when high temperature refrigerating system is run, the shut-off valve and solenoid valve of high temperature refrigerating system are opened, in high-temperature air cooler
Refrigerant evaporation absorb external heat, subsequently into condenser/evaporator condense, then pass through heating power expansion valve, heating power expansion valve
By the condensed high temperature and pressure liquid refrigerant reducing pressure by regulating flow of condenser/evaporator, become and hold the vapour-liquid of evaporable low-temp low-pressure and mix
Object is closed, is evaporated into evaporator, absorbs external heat.Heating power expansion valve exports gaseous refrigerant by experiencing condenser/evaporator
The degree of superheat controls the refrigerant flow into condenser/evaporator, and the control degree of superheat prevents abnormal superheating phenomenon in a certain range
Generation.
4th, when medium temperature refrigerating system is run, the shut-off valve and solenoid valve of medium temperature refrigerating system, while deepfreeze system are opened
Electric expansion valve on system is closed, and prevents refrigerant from flowing back from deepfreeze system, CO2The refrigerant of liquid in liquid storage device
Through CO2Solution feed pump enters CO2Air-cooler, refrigerant is in CO2Evaporation absorbs external heat in air-cooler, becomes gas-liquid mixture phase
Refrigerant after from CO2Enter CO in air-cooler2In liquid storage device, CO2Gaseous refrigerant in liquid storage device enters cold through snorkel
Condensation becomes liquid and reenters CO in solidifying evaporator2Liquid storage device is medium to be recycled.
5th, during deepfreeze system operation, the shut-off valve and electric expansion valve of deepfreeze system are opened, while medium temperature is cold
Solenoid valve in the system of Tibetan is closed, and prevents refrigerant from flowing back from medium temperature refrigerating system, CO2The refrigerant of liquid in liquid storage device
Into CO2Air-cooler, refrigerant is in CO2Evaporation absorbs external heat in air-cooler, becomes after gaseous refrigerant from CO2Cold wind
Enter CO in machine2Gas-liquid separator, CO2The refrigerant of gaseous state and liquid is detached and accommodates the system of liquid by gas-liquid separator
Cryogen prevents the refrigerant of liquid to CO2Compressor causes liquid hammer, and then gaseous refrigerant is through CO2Compressor boost it is laggard
Enter CO2Oil eliminator, CO2Oil eliminator thinks highly of the lubricating oil separation in refrigerant, the last gaseous condensed evaporation of refrigerant
The new liquid that becomes flows into CO2Liquid storage device waiting recycles next time.
Compared with prior art, the utility model in each cold by setting a high-temperature air cooler and CO2Cold wind
Machine can be realized it is independent to each cold carry out high temperature, in mild low temperature conversion, temperature regulating range is big and does not influence other
Temperature in cold realizes the cost that cold and refrigeration system are reduced while single cold temperature is adjusted.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and detailed description：
Fig. 1 is high temperature refrigerating system and the schematic diagram of deepfreeze system；
Fig. 2 is medium temperature refrigerating system and the schematic diagram of deepfreeze system.
Wherein：1st, high-temperature air cooler；21、CO2Air-cooler；22、CO2Gas-liquid separator；23、CO2Compressor；24、CO2Oil
Separator；31st, condenser/evaporator；32nd, high temperature gas-liquid separator；33rd, high temperature compressor；34th, high temperature oil eliminator；35th, high temperature
Condenser；36th, high temperature liquid storage device；41st, shut-off valve；42nd, electric expansion valve；43rd, solenoid valve；44th, check valve；45th, thermal expansion
Valve；5、CO2Liquid storage device；6、CO2Solution feed pump；7th, first cold；8th, second cold.
Specific embodiment
Referring to figs. 1 to Fig. 2 to the utility model it is a kind of can the integrated form cold storage refrigerating system of warm area alternating temperature entirely embodiment
It is described further.
It is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system, including high temperature refrigerating system, medium temperature refrigerating system and
Deepfreeze system and the condenser system to high temperature refrigerating system, the cooling of middle deepfreeze system, the setting of high temperature refrigerating system
There are several high temperature branches, medium temperature refrigerating system is provided with several medium temperature branches, and it is low that deepfreeze system is provided with several
Warm branch is provided with 2 high temperature branches with high temperature refrigerating system, medium temperature refrigerating system is provided with 2 medium temperature branches and low temperature cold
Tibetan system is provided with for 2 low temperature branch, and as depicted in figs. 1 and 2, there are two cold settings, respectively first cold 7 and the
It two cold 8, is respectively provided in cold each there are one high temperature branch, a medium temperature branch and a low temperature branch, high temperature branch connects
Be connected on the high-temperature air cooler 1 in cold, medium temperature branch and low temperature branch be both connected to it is cold between in CO2On air-cooler 2, it is located at
Medium temperature branch and low temperature branch in same cold are correspondence.
Condenser system by condenser/evaporator 31, the high temperature gas-liquid separator 32 being connected on 31 steam outlet pipe of condenser/evaporator,
High temperature compressor 33, high temperature oil eliminator 34, warm condenser 35 and high temperature liquid storage device 36 are formed, condenser/evaporator 31 respectively with
High temperature refrigerating system, medium temperature refrigerating system are connected with deepfreeze system；
When condenser system works, the refrigerant of the liquid in high temperature liquid storage device 36 enters condenser/evaporator 31 and is evaporated into gas
The refrigerant of state, the heat during this in absorption condensation evaporator 31, gaseous refrigerant enter high temperature gas-liquid separator
32, the refrigerant of gaseous state and liquid is detached and accommodates the refrigerant of liquid by high temperature gas-liquid separator 32, prevents liquid
Refrigerant causes liquid hammer to high temperature compressor 33, and then gaseous refrigerant enters high temperature oil after the supercharging of high temperature compressor 33
Separator 34, high temperature oil eliminator 34 is by the lubricating oil separation in refrigerant, and last gaseous refrigerant is through warm condenser 35
Again become liquid and flow into high temperature liquid storage device 36 and wait for recycle next time.It because, can band when refrigerant passes through high temperature compressor 33
Parts of lubricating oil is walked, lubricating oil can congeal into one layer of oil when entering condenser and evaporator with refrigerant on heat transfer wall
Film increases thermal resistance, so as to make the reduction of the heat-transfer effect of condenser and evaporator, refrigeration effect is reduced, so using high temperature
Oil eliminator 34 will be compressed after gaseous refrigerant in lubricating oil separation, ensure the refrigeration effect of refrigerant.
The air inlet pipe and air outlet pipe of high-temperature air cooler 1 are connected respectively with condenser/evaporator 31, and heating power is provided in air inlet pipe
Expansion valve 45 is provided with shut-off valve 41 and solenoid valve 43, high temperature refrigerating system between heating power expansion valve 45 and condenser/evaporator 31
On be provided with check valve 44, check valve 44 is so that refrigerant prevents to flow backwards phenomenon along pipeline one-way flow；
The CO of medium temperature refrigerating system2CO is provided on the inlet tube that air-cooler 2 is connected with condenser/evaporator 312Liquid storage device,
CO2Snorkel, the CO of medium temperature refrigerating system are communicated between liquid storage device and condenser/evaporator 312Air-cooler 2 and CO2Liquid storage device phase
CO is provided on inlet tube even2Solution feed pump 6, solenoid valve 43 and shut-off valve 41 are provided with check valve 44 on medium temperature refrigerating system；
The CO of deepfreeze system2The inlet tube and CO of air-cooler 22Liquid storage device is connected, CO2Connect on the inlet tube of air-cooler 2
It is connected to positioned at CO2Electric expansion valve 42 and shut-off valve 41 between air-cooler 2 and CO2 liquid storage devices, the CO of deepfreeze system2It is cold
CO is provided in the air outlet pipe that wind turbine 2 is connected with condenser/evaporator 312Gas-liquid separator 22 and CO2Compressor 23, CO2Compressor
CO is connected between 23 and condenser/evaporator 312Oil eliminator 24 is provided with check valve 44 on high temperature refrigerating system.
When high temperature refrigerating system is run, the shut-off valve 41 of high temperature refrigerating system and solenoid valve 43, high-temperature air cooler 1 are opened
In refrigerant evaporation absorb external heat, condensed subsequently into condenser/evaporator 31, then pass through heating power expansion valve 45, heating power
31 condensed high temperature and pressure liquid refrigerant reducing pressure by regulating flow of condenser/evaporator is become that hold evaporable low temperature low by expansion valve 45
The liquid-vapor mixture of pressure is evaporated into evaporator, absorbs external heat.Heating power expansion valve 45 is gone out by experiencing condenser/evaporator 31
The degree of superheat of mouthful gaseous refrigerant controls the refrigerant flow into condenser/evaporator 31, the control degree of superheat in a certain range,
Prevent the generation of abnormal superheating phenomenon.
When medium temperature refrigerating system is run, the shut-off valve 41 of medium temperature refrigerating system and solenoid valve 43, while deepfreeze are opened
Electric expansion valve 42 in system is closed, and prevents refrigerant from flowing back from deepfreeze system, CO2Liquid in liquid storage device 5
Refrigerant is through CO2Solution feed pump 6 enters CO2Air-cooler 2, refrigerant is in CO2Evaporation absorbs external heat in air-cooler 2, becomes gas-liquid
From CO after the refrigerant of admixture2Enter CO in air-cooler 22In liquid storage device, CO2Gaseous refrigerant in liquid storage device is through logical
Tracheae, which enters in condenser/evaporator 31 condensation and becomes liquid, reenters CO2Liquid storage device 5 is medium to be recycled.
During deepfreeze system operation, the shut-off valve 41 of deepfreeze system and electric expansion valve 42, while medium temperature are opened
Solenoid valve 43 on refrigerating system is closed, and prevents refrigerant from flowing back from medium temperature refrigerating system, CO2Liquid in liquid storage device 5
Refrigerant enters CO2Air-cooler 2, refrigerant is in CO2Evaporation absorbs external heat in air-cooler 2, become after gaseous refrigerant from
CO2Enter CO in air-cooler 22Gas-liquid separator 22, CO2Gas-liquid separator 22 is detached the refrigerant of gaseous state and liquid simultaneously
The refrigerant of liquid is accommodated, prevents the refrigerant of liquid to CO2Compressor 23 causes liquid hammer, and then gaseous refrigerant is through CO2Pressure
Enter CO after the supercharging of contracting machine 232Oil eliminator 24, CO2Oil eliminator 24 is last gaseous by the lubricating oil separation in refrigerant
The condensed evaporator 31 of refrigerant becomes liquid and flows into CO again2Liquid storage device 5 waits for be recycled next time.
By setting a high-temperature air cooler 1 and CO in each cold2Air-cooler 2 can be realized to each cold independence
Carry out high temperature, in mild low temperature conversion, temperature regulating range is big.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. it is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system, it is characterised in that：It is cold including high temperature refrigerating system, medium temperature
Tibetan system and deepfreeze system and the condensed system to the cooling of high temperature refrigerating system, medium temperature refrigerating system and deepfreeze system
System, the high temperature refrigerating system are provided with several high temperature branches, and the medium temperature refrigerating system is provided with several medium temperature branches,
The deepfreeze system is provided with several low temperature branch, and the high temperature branch road is respectively connected with high-temperature air cooler, in described
CO is respectively connected on warm branch and low temperature branch2Air-cooler, corresponding medium temperature branch and low temperature branch are connected to same two-by-two
CO2On air-cooler.
2. it is according to claim 1 it is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system, it is characterised in that：It is described
Condenser system includes condenser/evaporator, high temperature gas-liquid separator, high temperature compressor, warm condenser and high temperature liquid storage device, described
Condenser/evaporator is connected respectively with high temperature refrigerating system, medium temperature refrigerating system and deepfreeze system.
3. it is according to claim 2 it is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system, it is characterised in that：It is described
High temperature oil eliminator is provided on the air inlet pipeline that warm condenser is connected with high temperature compressor.
4. it is according to claim 1 it is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system, it is characterised in that：It is described
Be provided with heating power expansion valve in the air inlet pipe that high-temperature air cooler is connected with condenser/evaporator, heating power expansion valve and condenser/evaporator it
Between be provided with shut-off valve and solenoid valve.
5. it is according to claim 1 it is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system, it is characterised in that：It is described
The CO of medium temperature refrigerating system2CO is provided on the inlet tube that air-cooler is connected with condenser/evaporator2Liquid storage device, CO2Liquid storage device with it is cold
Snorkel is communicated between solidifying evaporator.
6. it is according to claim 5 it is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system, it is characterised in that：It is described
The CO of medium temperature refrigerating system2Air-cooler and CO2CO is provided on the inlet tube that liquid storage device is connected2Solution feed pump, solenoid valve and cut-off
Valve.
7. it is according to claim 5 or 6 it is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system, it is characterised in that：
The CO of the deepfreeze system2The inlet tube and CO of air-cooler2Liquid storage device is connected, CO2Position is connected on the inlet tube of air-cooler
In CO2Air-cooler and CO2Electric expansion valve and shut-off valve between liquid storage device.
8. it is according to claim 7 it is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system, it is characterised in that：It is described
The CO of deepfreeze system2CO is provided in the air outlet pipe that air-cooler is connected with condenser/evaporator2Gas-liquid separator and CO2Compression
Machine.
9. it is according to claim 8 it is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system, it is characterised in that：It is described
CO2CO is connected between compressor and condenser/evaporator2Oil eliminator.
10. it is according to claim 1 it is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system, it is characterised in that：Institute
It states and is both provided with check valve in high temperature refrigerating system, medium temperature refrigerating system and deepfreeze system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721212629.8U CN207515329U (en) | 2017-09-20 | 2017-09-20 | It is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721212629.8U CN207515329U (en) | 2017-09-20 | 2017-09-20 | It is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system |
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| Publication Number | Publication Date |
|---|---|
| CN207515329U true CN207515329U (en) | 2018-06-19 |
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ID=62533229
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721212629.8U Active CN207515329U (en) | 2017-09-20 | 2017-09-20 | It is a kind of can warm area alternating temperature entirely integrated form cold storage refrigerating system |
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| CN (1) | CN207515329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023611A (en) * | 2019-12-16 | 2020-04-17 | 浙江英诺绿能科技有限公司 | Carbon dioxide refrigerating system capable of cooling in stages and control method thereof |
-
2017
- 2017-09-20 CN CN201721212629.8U patent/CN207515329U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023611A (en) * | 2019-12-16 | 2020-04-17 | 浙江英诺绿能科技有限公司 | Carbon dioxide refrigerating system capable of cooling in stages and control method thereof |
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