CN110285596A - A kind of pure CO2Refrigerating system of ice rink - Google Patents
A kind of pure CO2Refrigerating system of ice rink Download PDFInfo
- Publication number
- CN110285596A CN110285596A CN201910630040.7A CN201910630040A CN110285596A CN 110285596 A CN110285596 A CN 110285596A CN 201910630040 A CN201910630040 A CN 201910630040A CN 110285596 A CN110285596 A CN 110285596A
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- China
- Prior art keywords
- low
- heat exchanger
- ice
- oil storage
- pressure
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 5
- 230000006837 decompression Effects 0.000 claims description 3
- 238000004781 supercooling Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 abstract description 11
- 238000001704 evaporation Methods 0.000 abstract description 10
- 230000008020 evaporation Effects 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a kind of pure CO2 refrigerating system of ice rink, its structure include in computer room installation settings there is Trans-critical cycle compressor set, oil eliminator, heat recovering heat exchanger, CO2 low-pressure oil storage and CO2 low-pressure oil storage pressure to keep unit, outdoor mounted is provided with CO2 cooler, and installation settings has ice stadium tube heat exchanger in ice stadium；Using pure CO2 refrigeration system, CO2 refrigerant directly carries out heat exchange with ice stadium tube heat exchanger, and refrigerant evaporating temperature is high, refrigerating capacity is big, it is high-efficient, electric power is saved, and CO2 viscosity is low, required conveying pump power is small, and CO2, as refrigerating medium, always with the presence of liquid in evaporation tubes, evaporating temperature is stablized, the ice better quality produced, and CO2 has fewer environmental impacts；It is to have good value for applications to the technological innovation of prior art one extension.
Description
Technical field
The present invention relates to refrigeration technology field, specially a kind of pure CO2Refrigerating system of ice rink.
Background technique
Existing ice stadium system reduces refrigerant temperature in shell and tube exchanger using refrigerant ammonia/fluorinated refrigerant,
It is transported in the tube heat exchanger of ice stadium with coolant pump, realizes the exchange of heat, ice sheet is dropped to the temperature of requirement, due to ice stadium
Secondary heat exchange is passed through in cooling, and refrigerant evaporating temperature is low, and power consumption is big, and efficiency is low, and installs complicated；And refrigerating medium viscosity
Greatly, conveying pump power is big, and electric power needs big；There is the corrosion to ice stadium pipeline in refrigerating medium, dangerous；Refrigerant is to environment, people
Class harm is big.
Summary of the invention
The present invention solves the technical problem of how to provide a kind of pure CO2 refrigerating system of ice rink, using pure CO2 system
Cooling system, CO2 refrigerant directly carry out heat exchange with ice stadium tube heat exchanger, and refrigerant evaporating temperature is high, and refrigerating capacity is big, efficiency
Height saves electric power, and CO2 viscosity is low, and required conveying pump power is small, and CO2 is as refrigerating medium, in evaporation tubes always
With the presence of liquid, evaporating temperature is stablized, the ice better quality produced, and CO2 has fewer environmental impacts.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of pure CO2 rink refrigeration is provided
System, structure include in computer room installation settings have Trans-critical cycle compressor set, oil eliminator, heat recovering heat exchanger, CO2 low pressure storage
Liquid device and CO2 low-pressure oil storage pressure keep unit, and outdoor mounted is provided with CO2 cooler, and installation settings has ice stadium in ice stadium
Tube heat exchanger；
Wherein Trans-critical cycle compressor one end connect sucking gas with CO2 low-pressure oil storage by pipeline a, and Trans-critical cycle compressor is divided to two
Road pipeline is connect with oil eliminator respectively, and CO2 low-pressure oil storage sucks gas, passes through Trans-critical cycle Compressor Pipes after increasing temperature and pressure
A enters oil eliminator, and the oil in oil eliminator in CO2 is separated, and returns to Trans-critical cycle compression again through return b
Circulation is participated in machine, oil eliminator is connect by pipeline c with heat recovering heat exchanger, and heat recovering heat exchanger passes through recuperation of heat pump and heat
The connection of pond pipeline, the CO2 gas of high temperature and pressure enter heat recovering heat exchanger, the heat in heat recovering heat exchanger, in gas
Heat exchange is carried out with water at low temperature, water can be heated to 50-95 DEG C, be stored into hot-tub under the circulation of recuperation of heat pump；Heat
Recycling heat exchanger is connect by pipeline b with CO2 cooler, and CO2 cooler passes through the CO2 cooler successively installed on output channel
Pressure maintenance valve and CO2 liquid throttle valve are connect with CO2 low-pressure oil storage, the CO2 gas after supercooling in CO2 cooler by into
One step is cooling, maximal efficiency is played under the action of CO2 cooler pressure maintenance valve, CO2 is by CO2 liquid throttle valve decompression drop
Enter CO2 low-pressure oil storage after temperature, CO2 low-pressure oil storage divides two-way to connect with ice stadium tube heat exchanger, passes through delivery pipe all the way
Road is connect with ice stadium tube heat exchanger, the gas that is separated in CO2 low-pressure oil storage and is produced from the tube heat exchanger of ice stadium
Raw gas is sucked by compressor to be compressed；CO2 low-pressure oil storage another way is connected by liquid delivery pump and ice stadium tube heat exchanger
It connects, the low temperature and low pressure liquid in CO2 low-pressure oil storage is transported in the tube heat exchanger of ice stadium by CO2 liquid delivery pump absorbs water
Water is frozen into ice by heat, completes ice-making process.
Preferably, being additionally provided with temperature sensor in the outdoor ice rinks.
Preferably, the CO2 low-pressure oil storage keeps unit to connect with CO2 low-pressure oil storage pressure.
The present invention can effectively solve the problem that the problem of safe field installation is difficult, power consumption is big, efficiency is low and poor safety performance, main
Will be for pure CO2 refrigeration system be used, CO2 refrigerant directly carries out heat exchange, refrigerant evaporation temperature with ice stadium tube heat exchanger
Degree is high, and refrigerating capacity is big, high-efficient, saves electric power, and CO2 viscosity is low, and required conveying pump power is small, CO2 as refrigerating medium,
Always with the presence of liquid in evaporation tubes, evaporating temperature is stablized, the ice better quality produced, and CO2 is environmentally friendly, can
Meet the technical requirements such as environmental protection.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is structure of the invention connection schematic diagram.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Refering to Figure 1, a kind of pure CO2 refrigerating system of ice rink in one particular embodiment of the present invention, knot
Structure include in computer room installation settings have Trans-critical cycle compressor set (1), oil eliminator (2), heat recovering heat exchanger (3), CO2 low pressure storage
Liquid device (9) and CO2 low-pressure oil storage pressure keep unit (12), and outdoor mounted is provided with CO2 cooler (6), installs in ice stadium
It is provided with ice stadium tube heat exchanger (11)；
In specific implementation process, Trans-critical cycle compressor (1) one end connect sucking gas with CO2 low-pressure oil storage (9) by pipeline a
Body, Trans-critical cycle compressor (1) divide two-way pipeline to connect respectively with oil eliminator (2), and CO2 low-pressure oil storage (9) sucks gas, rise
Oil eliminator (2) are entered by Trans-critical cycle compressor (1) pipeline a after temperature rise pressure, the oil in oil eliminator (2) in CO2 is divided
Separate out and, returned to again through return b and participate in circulation in Trans-critical cycle compressor (1), oil eliminator (2) by pipeline c with
Heat recovering heat exchanger (3) connection, heat recovering heat exchanger (3) are connect by recuperation of heat pump (5) with hot-tub (4) pipeline, and high temperature is high
The CO2 gas of pressure enters heat recovering heat exchanger (3), and in heat recovering heat exchanger (3), heat and water at low temperature in gas carry out heat
Exchange, water can be heated to 50-95 DEG C, be stored into hot-tub (4) under the circulation of recuperation of heat pump (5)；Recuperation of heat heat exchange
Device (3) is connect by pipeline b with CO2 cooler (6), and CO2 cooler (6) is cooling by the CO2 successively installed on output channel
Device pressure maintenance valve (7) and CO2 liquid throttle valve (8) are connect with CO2 low-pressure oil storage (9), and the CO2 gas after supercooling is in CO2
Cooler is further cooled in (6), and maximal efficiency is played under the action of CO2 cooler pressure maintenance valve (7), and CO2 passes through
Enter CO2 low-pressure oil storage (9) after CO2 liquid throttle valve (8) decompression cooling, CO2 low-pressure oil storage (9) divides two-way and ice stadium to manage
Road heat exchanger (11) connection, is connect, in CO2 low-pressure oil storage (9) with ice stadium tube heat exchanger (11) all the way by conveyance conduit
In the gas that is separated and the gas generated from ice stadium tube heat exchanger (11) sucked and compress by compressor；The storage of CO2 low pressure
Liquid device (9) another way is connect by liquid delivery pump (10) with ice stadium tube heat exchanger (11), in CO2 low-pressure oil storage (9)
Low temperature and low pressure liquid is frozen into water by the heat that CO2 liquid delivery pump (10) is transported to absorption water in ice stadium tube heat exchanger (11)
Ice completes ice-making process.
In specific implementation process, temperature sensor is additionally provided in the outdoor ice rinks.
In specific implementation process, the CO2 low-pressure oil storage (9) and CO2 low-pressure oil storage pressure keep unit (12) even
It connects.
In specific implementation process, the Trans-critical cycle compressor (1) is provided with four groups.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (3)
1. a kind of pure CO2 refrigerating system of ice rink, which is characterized in that structure include in computer room installation settings have Trans-critical cycle compressor
Group, oil eliminator, heat recovering heat exchanger, CO2 low-pressure oil storage and CO2 low-pressure oil storage pressure keep unit, and outdoor mounted is set
It is equipped with CO2 cooler, installation settings has ice stadium tube heat exchanger in ice stadium；
Trans-critical cycle compressor one end connect sucking gas with CO2 low-pressure oil storage by pipeline a, and Trans-critical cycle compressor divides two-way pipe
Road is connect with oil eliminator respectively, and CO2 low-pressure oil storage sucks gas, after increasing temperature and pressure by Trans-critical cycle Compressor Pipes a into
Enter oil eliminator, the oil in oil eliminator in CO2 is separated, and returns to Trans-critical cycle compressor again through return b
Interior participation circulation, oil eliminator are connect by pipeline c with heat recovering heat exchanger, and heat recovering heat exchanger passes through recuperation of heat pump and hot water
The connection of pond pipeline, the CO2 gas of high temperature and pressure enters heat recovering heat exchanger, in heat recovering heat exchanger, heat in gas with
Water at low temperature carries out heat exchange, and water can be heated to 50-95 DEG C, is stored into hot-tub under the circulation of recuperation of heat pump；Heat is returned
It receives heat exchanger to connect by pipeline b with CO2 cooler, CO2 cooler passes through the CO2 cooler pressure successively installed on output channel
Power maintains valve and CO2 liquid throttle valve to connect with CO2 low-pressure oil storage, and the CO2 gas after supercooling is in CO2 cooler by into one
Step cooling plays maximal efficiency under the action of CO2 cooler pressure maintenance valve, and CO2 is by the decompression cooling of CO2 liquid throttle valve
Enter CO2 low-pressure oil storage afterwards, CO2 low-pressure oil storage divides two-way to connect with ice stadium tube heat exchanger, passes through conveyance conduit all the way
It connect, the gas that is separated in CO2 low-pressure oil storage and generates from the tube heat exchanger of ice stadium with ice stadium tube heat exchanger
Gas by compressor suck compress；CO2 low-pressure oil storage another way is connect by liquid delivery pump with ice stadium tube heat exchanger,
Low temperature and low pressure liquid in CO2 low-pressure oil storage is transported to the heat that water is absorbed in the tube heat exchanger of ice stadium by CO2 liquid delivery pump
Water is frozen into ice by amount, completes ice-making process.
2. a kind of pure CO2 refrigerating system of ice rink according to claim 1, which is characterized in that also set up in outdoor ice rinks
There is temperature sensor.
3. a kind of pure CO2 refrigerating system of ice rink according to claim 1, which is characterized in that CO2 low-pressure oil storage with
CO2 low-pressure oil storage pressure keeps unit connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630040.7A CN110285596A (en) | 2019-07-12 | 2019-07-12 | A kind of pure CO2Refrigerating system of ice rink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630040.7A CN110285596A (en) | 2019-07-12 | 2019-07-12 | A kind of pure CO2Refrigerating system of ice rink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110285596A true CN110285596A (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910630040.7A Pending CN110285596A (en) | 2019-07-12 | 2019-07-12 | A kind of pure CO2Refrigerating system of ice rink |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904782A (en) * | 2019-12-31 | 2020-03-24 | 中建二局第三建筑工程有限公司 | Large artificial indoor ice rink and construction method thereof |
| CN110986413A (en) * | 2019-11-25 | 2020-04-10 | 西姆科冰雪体育文化(北京)有限公司 | Refrigeration system using carbon dioxide as refrigerant and cooling stratum structure |
| CN112856846A (en) * | 2021-01-25 | 2021-05-28 | 北京华体体育场馆施工有限责任公司 | Carbon dioxide transcritical direct cooling system for skating rink |
| CN114739071A (en) * | 2022-04-13 | 2022-07-12 | 天津大学 | Ice rink refrigeration plant and system |
| CN114739072A (en) * | 2022-04-13 | 2022-07-12 | 天津大学 | Ice rink refrigerating system |
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| CA2766361A1 (en) * | 2012-01-30 | 2013-07-30 | Serge Dube | Co2 refrigeration system for ice-playing surface |
| US20150354882A1 (en) * | 2008-10-23 | 2015-12-10 | Serge Dube | Co2 refrigeration system |
| CN205227902U (en) * | 2015-12-14 | 2016-05-11 | 山东神舟制冷设备有限公司 | Carbon dioxide secondary refrigerant refrigerating unit |
| US20160245575A1 (en) * | 2010-09-28 | 2016-08-25 | Serge Dube | Co2 refrigeration system for ice-playing surfaces |
| CN210220275U (en) * | 2019-07-12 | 2020-03-31 | 山东神舟制冷设备有限公司 | Pure CO2 rink refrigerating system |
-
2019
- 2019-07-12 CN CN201910630040.7A patent/CN110285596A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150354882A1 (en) * | 2008-10-23 | 2015-12-10 | Serge Dube | Co2 refrigeration system |
| US20160245575A1 (en) * | 2010-09-28 | 2016-08-25 | Serge Dube | Co2 refrigeration system for ice-playing surfaces |
| CA2766361A1 (en) * | 2012-01-30 | 2013-07-30 | Serge Dube | Co2 refrigeration system for ice-playing surface |
| CN205227902U (en) * | 2015-12-14 | 2016-05-11 | 山东神舟制冷设备有限公司 | Carbon dioxide secondary refrigerant refrigerating unit |
| CN210220275U (en) * | 2019-07-12 | 2020-03-31 | 山东神舟制冷设备有限公司 | Pure CO2 rink refrigerating system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986413A (en) * | 2019-11-25 | 2020-04-10 | 西姆科冰雪体育文化(北京)有限公司 | Refrigeration system using carbon dioxide as refrigerant and cooling stratum structure |
| CN110986413B (en) * | 2019-11-25 | 2022-06-10 | 西姆科冰雪体育文化(北京)有限公司 | Refrigeration system using carbon dioxide as refrigerant and cooling stratum structure |
| CN110904782A (en) * | 2019-12-31 | 2020-03-24 | 中建二局第三建筑工程有限公司 | Large artificial indoor ice rink and construction method thereof |
| CN112856846A (en) * | 2021-01-25 | 2021-05-28 | 北京华体体育场馆施工有限责任公司 | Carbon dioxide transcritical direct cooling system for skating rink |
| CN112856846B (en) * | 2021-01-25 | 2022-07-12 | 北京华体体育场馆施工有限责任公司 | Carbon dioxide transcritical direct cooling system for skating rink |
| CN114739071A (en) * | 2022-04-13 | 2022-07-12 | 天津大学 | Ice rink refrigeration plant and system |
| CN114739072A (en) * | 2022-04-13 | 2022-07-12 | 天津大学 | Ice rink refrigerating system |
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