CN104235988B - Centrifugal air conditioner unit with water as refrigerants and running method - Google Patents
Centrifugal air conditioner unit with water as refrigerants and running method Download PDFInfo
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- CN104235988B CN104235988B CN201410550516.3A CN201410550516A CN104235988B CN 104235988 B CN104235988 B CN 104235988B CN 201410550516 A CN201410550516 A CN 201410550516A CN 104235988 B CN104235988 B CN 104235988B
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- compressor
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- vaporizer
- condenser
- air conditioner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
Abstract
The invention relates to a centrifugal air conditioner unit with water as refrigerants and a running method. The centrifugal air conditioner unit comprises an evaporator, a compressor, a motor and a condenser which are arranged in a fully-closed container, and a first circulation channel which is arranged outside the container and used for allowing the condenser to supplement the refrigerant water to the evaporator. The evaporator can exchange heat with the outside world through the internal indirect contact heat exchange method when evaporating the refrigerant water circulated through a circulating pump of the evaporator. The compressor can suck in low-temperature vapor generated by the evaporator through the suction end under the drive of the motor, compress the low-temperature vapor, and then discharge the high-temperature vapor through the exhaust end. The condenser can convert the high-temperature vapor into the refrigerant water through the inner indirect contact heat exchange method. By means of the centrifugal air conditioner unit and the running method, flowing resistance between the compressor and the evaporator and between the compressor and the condenser can be reduced, pressure loss can be reduced, the energy efficiency ratio of the unit can be increased, and the size of the unit can be decreased.
Description
Technical field
The present invention relates to filed of air conditioning, more particularly, to a kind of adopt the centrifugal air conditioner group using water as cold-producing medium and
Operation method.
Background technology
Adopt the cold-producing medium using water as centrifugal air conditioner group, compared with other cold-producing mediums, have safe and environment-friendly, nontoxic,
Non-combustible, low cost, the advantages of easily obtain, do not need oil circulation, have huge researching value and market prospect.
Adopt at present and use water as technical scheme that the centrifugal air conditioner group of cold-producing medium mainly adopts as shown in figure 1, in pressure
In contracting machine container 1a, two compressors are set, stage compressor 2a by stage compressor motor 4a drive, split-compressor 3a by
Split-compressor motor 5a drives, and is connected by the pipeline with throttling arrangement 9a between vaporizer 7a and condenser 6a, and point
Tong Guo pipeline not connect with the both sides of compressor container 1a.Vaporizer 7a and condenser 6a is all using the heat exchange of internal mediate contact
Mode, is evaporated in vaporizer 7a by the water as refrigerant of vaporizer circulating pump 8a circulation, for chilled water cooling while evaporation,
Vapor enters into condenser 6a after two stages of compression, and heat, in condenser 6a internal condensation, is passed to cold by vapor simultaneously
But water.
Compressor, vaporizer 7a, condenser 6a are respectively arranged in a container this scheme, each other with pipeline
It is connected, use semi-closed structure.However, the pipeline connecting between compressor and vaporizer 7a, compressor and condenser 6a
The flow velocity of interior vapor is too high, leads to pressure drop excessive so that the efficiency of energy utilization of unit reduces, and these containers and pipeline
It is larger that the unit being collectively forming integrally takies volume.
Content of the invention
The purpose of the present invention is to propose to a kind of adopt the centrifugal air conditioner group using water as cold-producing medium and operation method, can
Improve the Energy Efficiency Ratio of unit.
For achieving the above object, one aspect of the present invention provides a kind of centrifugal air conditioner adopted and use water as cold-producing medium
Group, comprising: be arranged on vaporizer 5 in totally enclosed container 1, compressor, motor and condenser 6, be arranged on outside container 1
Supplement the first circulation passage of water as refrigerant to described vaporizer 5 by described condenser 6,
Described vaporizer 5 can be by internal indirect while being vaporized through the water as refrigerant of vaporizer circulating pump 7 circulation
The heat exchange mode of contact and outside carry out heat exchange；
Described compressor can suck, by suction end, the low temperature that described vaporizer 5 produces under the driving of described motor
Vapor, more described low temperature vapor is compressed, then high-temperature vapor is discharged by exhaust end；
Described high-temperature vapor can be converted into described cold by described condenser 6 by the heat exchange mode of internal mediate contact
Agent water.
Further, described compressor includes stage compressor 2 and split-compressor 3, described stage compressor 2 and described
It is provided with intercooler 11, the vapor of the exhaust end discharge of described stage compressor 2 is in described between split-compressor 3
Between cooler 11 cooling after, sucked by the suction end of described split-compressor 3；Described cryogen used by described intercooler 11
Water is by intercooler circulating pump 8 driving cycle, and passes through the supplementary supply of second circulation passage by condenser 6.
Further, described stage compressor 2 and described split-compressor 3 adopt a compressor motor 4 Driven by Coaxial.
Further, described stage compressor 2 and described split-compressor 3 are respectively by stage compressor motor 41 and two grades
Compressor electric motor 42 drives.
Further, described vaporizer 5 is connected with user side 13, and described water as refrigerant can be made while evaporation by interior
The heat exchange mode of portion's mediate contact absorbs the heat of the chilled water of described user side 13.
Further, described condenser 6 is connected with cooling tower 12, and described high-temperature vapor can be made indirectly to connect by inside
Tactile heat exchange mode transfers heat to cooling water, is converted into water as refrigerant.
Further, described vaporizer 5 and described condenser 6 are shell-tube type, mosquito incense disc type or plate type heat exchanger.
Further, it is respectively arranged with vaporizer cryogen water valve in described first circulation passage and described second circulation passage
Door 10 and intercooler cryogen penstock 9, can adjust the flow of described water as refrigerant.
Further, described centrifugal air conditioner group is applied to cold water and/or heat pump working condition.
Further, a diameter of more than 2m of container 1.
For achieving the above object, another aspect of the present invention provides a kind of operation method of centrifugal air conditioner group, including
Following steps:
Vaporizer 5 changing by internal mediate contact while being vaporized through the water as refrigerant of vaporizer circulating pump 7 circulation
Hot mode and outside carry out heat exchange；
Compressor, under the driving of motor, sucks, by suction end, the low temperature vapor that described vaporizer 5 produces, then by institute
State low temperature vapor to be compressed, then high-temperature vapor is discharged by exhaust end；
Described high-temperature vapor is converted into water as refrigerant by the heat exchange mode of internal mediate contact by condenser 6；
Described water as refrigerant is passed through first circulation channel cycle supplement to described vaporizer 5 by condenser 6.
Further, described compressor includes stage compressor 2 and split-compressor 3, and described low temperature vapor is carried out
Compression specifically includes:
Stage compressor 2 carries out one stage of compression to described low temperature vapor；
Intercooler 11 passes through the described cold of intercooler circulating pump 8 driving cycle to the vapor after one stage of compression
Agent water is cooled down, and described intercooler 11 obtains described water as refrigerant by second circulation passage from described condenser 6
Circulation supplements；
Split-compressor 3 carries out two-stage compression to the vapor after cooling.
Based on technique scheme, the embodiment of the present invention adopt the centrifugal air conditioner group using water as cold-producing medium, will press
Contracting machine, vaporizer 5 and condenser 6 are all disposed within the container 1 of a full-closed structure, can not only reduce compressor and evaporation
Flow resistance between device 5, compressor and condenser 6, reduces the pressure loss, thus improving the Energy Efficiency Ratio of unit additionally it is possible to contract
Little air conditioning unit overall volume.These advantages can be greatly reduced cost, lifts its market potential.
Brief description
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram adopting the centrifugal air conditioner group using water as cold-producing medium of prior art；
Fig. 2 adopts the schematic diagram of an embodiment of the centrifugal air conditioner group using water as cold-producing medium for the present invention；
Fig. 3 adopts the schematic diagram of another embodiment of centrifugal air conditioner group using water as cold-producing medium for the present invention；
Fig. 4 is the schematic diagram of an embodiment of centrifugal air conditioner group operation method of the present invention；
Fig. 5 is the schematic diagram of another embodiment of centrifugal air conditioner group operation method of the present invention.
Description of reference numerals
1a- compressor container；2a- stage compressor；3a- split-compressor；4a- stage compressor motor；5a-
Split-compressor motor；6a- condenser；7a- vaporizer；8a- vaporizer circulating pump；9a- throttling arrangement；
1- container；2- stage compressor；3- split-compressor；4- compressor electric motor；41- stage compressor motor；
42- split-compressor motor；5- vaporizer；6- condenser；7- vaporizer circulating pump；8- intercooler circulating pump；
9- intercooler cryogen penstock；10- vaporizer cryogen penstock；11- intercooler；12- cooling tower；13- uses
Family end.
Specific embodiment
Below by drawings and Examples, technical scheme is described in further detail.
A kind of water that the present invention provides as the centrifugal air conditioner group of cold-producing medium, as shown in Figure 2, comprising: be arranged on complete
Vaporizer 5 in the container 1 of closing, compressor, motor and condenser 6, be arranged on container 1 outside by condenser 6 to evaporating
Device 5 supplements the first circulation passage of water as refrigerant, and vaporizer 5 can be to the water as refrigerant circulating through vaporizer circulating pump 7 in evaporation
While heat exchange is carried out with outside by the heat exchange mode of internal mediate contact；Compressor can under the driving of motor,
The low temperature vapor that vaporizer 5 produces is sucked by suction end, then low temperature vapor is compressed, then arranged by exhaust end
Go out high-temperature vapor；High-temperature vapor can be converted into water as refrigerant by the heat exchange mode of internal mediate contact by condenser 6.
Preferably, vaporizer 5 and condenser 6 can be shell-tube type, mosquito incense disc type or plate type heat exchanger, have heat-exchange performance
The high advantage of energy.
In prior art, vaporizer 7a, compressor and condenser 6a are respectively arranged in a container, each other with
Pipeline is connected, and pipe diameter is less than the diameter (such as 0.5m) of vaporizer 7a and condenser 6a, uses semi-closed structure.So
And, in the pipeline connecting between compressor and vaporizer 7a, compressor and condenser 6a, the flow velocity of vapor is too high, leads to pressure drop
Excessive so that unit efficiency reduces, and the volume of whole unit is also larger.The present invention compared with scheme of the prior art,
Vaporizer 5, compressor and condenser 6 are arranged in a totally enclosed container 1, pipe diameter is the equal of whole unit
The diameter (such as 2m) of container 1, thus the flow resistance between compressor and vaporizer 5, compressor and condenser 6 can be reduced,
Reducing the pressure loss, thus improving the Energy Efficiency Ratio of unit additionally it is possible to save pipeline, and reducing air conditioning unit volume.These are excellent
Point all can be greatly reduced air conditioning unit cost, lifts its market potential.
When air conditioning unit compression ratio to be realized is relatively low or medium, in order to structurally and operationally simply can be only with one
Level compressor is realized, and when compression ratio is too high, using single stage compress circulation, is not only uneconomic, and the property to compressor
Too high requirement can be proposed, at this moment just the compression ratio of single compressor, following reality can be reduced using two stages of compression circulation
Apply example all taking two stages of compression as a example to illustrate.
In one embodiment of the invention, compressor includes stage compressor 2 and split-compressor 3, stage compressor 2
It is provided with intercooler 11 and split-compressor 3 between, the vapor of the exhaust end discharge of stage compressor 2 is through intercooling
After device 11 cooling, sucked by the suction end of split-compressor 3；Water as refrigerant used by intercooler 11 is circulated by intercooler
Pump 8 driving cycle, and the supplementary supply of second circulation passage is passed through by condenser 6.Wherein, intercooler 11 reduces by one-level
The degree of superheat of the vapor that compressor 2 is discharged, water is evenly distributed in the surface of whole intercooler 11 packing material, and water steams
Gas intersection flows through packing material, and cooling water is flowed downward by it, is almost lowered to saturation temperature.During cooling can only be by flowing through
Between water section in cooler 11 evaporate to realize, the cooling water evaporating constantly is mended by the cryogen water circulation through condenser 6
Fill.
When stage compressor 2 is identical with the operating mode of split-compressor 3, as shown in Fig. 2 can be using a compressor electricity
To two compressor Driven by Coaxial, this mode, so that the structure of air conditioning unit inside is compacter, reduces volume to machine 4,
Thus reduces cost.When stage compressor 2 is different with the operating mode of split-compressor 3, then need to be independently controlled, such as Fig. 3
Shown, stage compressor 2 and split-compressor 3 are driven by stage compressor motor 41 and split-compressor motor 42 respectively, point
The mode of not driving controls more flexibly, and can reach bigger driving power.
In another embodiment of the present invention, vaporizer 5 is connected with user side 13, and water as refrigerant can be made same in evaporation
When absorbed by the heat exchange mode of internal mediate contact user side 13 chilled water heat, thus obtain meeting uniform temperature model
The chilled water enclosing, supplies air conditioning unit user side 13 and uses.Wherein, chilled water is equivalent to and cold is sent to from Air Conditioning Facilities
User side 13 uses the means of transport in room.
In addition, in order to accelerate to cool down, condenser 6 is connected with cooling tower 12, high-temperature vapor can be made to pass through internal indirect
The heat exchange mode of contact transfers heat to cooling water, is converted into water as refrigerant, then is led to by first circulation passage and second circulation
Water as refrigerant supplement to vaporizer 5 and intercooler 11, is maintained the mass balance of whole circulation by road.Cooling tower 12 is using cold
But carry out cold and hot exchange after water is contacted with air flow and produce water vapour, water vapour volatilization is taken away heat and reached evaporative heat loss, right
Spread the evaporating radiator that the principles such as heat and radiant heat transfer to reduce water temperature come the waste heat to disperse air conditioning unit middle generation, to protect
The normal operation of card system.Wherein, the heat that cooling water is equivalent to air conditioning unit generation delivers to the instrument of outdoor.
Further, it is respectively arranged with vaporizer cryogen penstock 10 He in first circulation passage and second circulation passage
Intercooler cryogen penstock 9, can make water as refrigerant be depressurized to evaporating pressure and evaporating temperature, simultaneously according to cooling load
The flow of the water as refrigerant of change control and recharge vaporizer 5 and intercooler 11, makes air conditioning unit to meet different degrees of refrigeration
Require.
Below according to a specific embodiment of the present invention shown in Fig. 2, to water as cold-producing medium centrifugal air-conditioning
The work process of unit makees detailed elaboration.Vaporizer circulating pump 7 drives water as refrigerant to circulate in vaporizer 5, cryogen water evaporation
And by the heat exchange mode absorption refrigerating hydro-thermal amount of internal mediate contact so that user side 13 reaches refrigeration.Vaporizer 5 produces
Raw low temperature, Low pressure steam enter stage compressor 2, enter intercooler after being compressed to the vapor of middle pressure, high temperature
11.Intercooler circulating pump 8 drives water as refrigerant to circulate in intercooler 11, and cryogen water evaporation makes stage compressor 2
The steam temperature of outlet reduces.The vapor of intercooler 11 outlet enters split-compressor 3, is compressed to high pressure, height
Condenser 6 is entered after the vapor of temperature.Stage compressor 2 and split-compressor 3 are by compressor electric motor 4 Driven by Coaxial.In condensation
In device 6, condensation heat is passed to cooling water by the heat exchange mode of internal mediate contact by the vapor of split-compressor 3 outlet,
Water as refrigerant (also referred to as condensed water) is cooled to by this vapor.The water as refrigerant that condenser 6 produces is respectively through intercooler
Cryogen penstock 9, vaporizer cryogen penstock 10 enter intercooler 11, vaporizer 5, supplement intercooler 11 and evaporation
The evaporated water of device 5, completes the cryogen water circulation of whole system.
In above-mentioned specific implementation, the end difference of vaporizer 5 and condenser 6 is less, for vaporizer 5, circulates cold
Agent water evaporates in vaporizer 5 lowers the temperature for chilled water simultaneously, and the end difference of vaporizer 5 is te_chw_o-te, generally 1～2 DEG C.
For condenser 6, vapor transfers heat to cooling water while condensation in condenser 6, the end difference of condenser 6 is tc-
Tc_cw_o, generally 1～2 DEG C.Under the mode of this internal indirect contact heat exchanger, the end difference of vaporizer 5 and condenser 6 is all
Smaller, improve the Energy Efficiency Ratio of unit, saved the energy, reduce cost.
The water of the present invention can have two kinds of operating conditions as the centrifugal air conditioner group of cold-producing medium, simultaneously unit itself
Structure and workflow will not occur any change.The first uses as handpiece Water Chilling Units, corresponding vaporizer 5 under this operating mode
The low temperature vapor at place is 7～12 DEG C, and the high-temperature vapor at condenser 6 is 30～35 DEG C；It two is to make as source pump
With the low temperature vapor at corresponding vaporizer 5 under this operating mode is 10～15 DEG C, and the high-temperature vapor at condenser 6 is 35
～45 DEG C.
Based on above-mentioned water as cold-producing medium centrifugal air conditioner group, the present invention also will say to its operation method
Bright.Fig. 4 is the schematic diagram of an embodiment of centrifugal air conditioner group operation method of the present invention, after opening unit, centrifugal sky
The operation method adjusting unit comprises the steps:
Step 101, vaporizer 5 are while being vaporized through the water as refrigerant of vaporizer circulating pump 7 circulation by internal indirect
The heat exchange mode of contact and outside carry out heat exchange；
Step 102, compressor, under the driving of motor, suck, by suction end, the low temperature vapor that vaporizer 5 produces, then
Low temperature vapor is compressed, then high-temperature vapor is discharged by exhaust end；
High-temperature vapor is converted into water as refrigerant by the heat exchange mode of internal mediate contact by step 103, condenser 6；
Water as refrigerant is passed through first circulation channel cycle supplement to vaporizer 5 by step 104, condenser 6.
Above-mentioned steps terminate to run after turning off unit.
For the unit being compressed using two-stage compressor, Fig. 5 is centrifugal air conditioner group operation method of the present invention
The schematic diagram of another embodiment, compressor includes stage compressor 2 and split-compressor 3, and low temperature vapor is compressed
Specifically include:
Step 201, stage compressor 2 carry out one stage of compression to low temperature vapor；
Step 202, intercooler 11 pass through intercooler circulating pump 8 driving cycle to the vapor after one stage of compression
Water as refrigerant cooled down, and intercooler 11 pass through second circulation passage from condenser 6 obtain water as refrigerant circulation supplement；
Step 203, split-compressor 3 carry out two-stage compression to the vapor after cooling.
The elaboration more specific to centrifugal air conditioner group operation method may refer to the explanation to unit, each executes step
Suddenly produced Advantageous Effects are all corresponding with the aforementioned explanation to unit, similar part be will not be described in great detail herein.
Finally it should be noted that: above example is only not intended to limit in order to technical scheme to be described；To the greatest extent
Pipe has been described in detail to the present invention with reference to preferred embodiment, and those of ordinary skill in the art are it is understood that still
The specific embodiment of the present invention can be modified or equivalent is carried out to some technical characteristics；Without deviating from this
The spirit of bright technical scheme, all should cover in the middle of the technical scheme scope that the present invention is claimed.
Claims (12)
1. a kind of adopt the centrifugal air conditioner group using water as cold-producing medium it is characterised in that include: be arranged on totally enclosed container
(1) vaporizer (5) in, compressor, motor and condenser (6), be arranged on container (1) outside by described condenser (6) to
Described vaporizer (5) supplements the first circulation passage of water as refrigerant,
Described vaporizer (5) can while being vaporized through water as refrigerant that vaporizer circulating pump (7) circulates by internal indirectly
The heat exchange mode of contact and outside carry out heat exchange；
Described compressor can suck, by suction end, the water at low temperature that described vaporizer (5) produces under the driving of described motor
Steam, more described low temperature vapor is compressed, then high-temperature vapor is discharged by exhaust end；
Described high-temperature vapor can be converted into described cryogen by the heat exchange mode of internal mediate contact by described condenser (6)
Water；
Described vaporizer (5), compressor and condenser (6) are all disposed within a totally enclosed described container (1), to reduce
State the flow resistance between compressor and vaporizer (5), described compressor and condenser (6), thus reducing the pressure loss.
2. according to claim 1 adopt the centrifugal air conditioner group using water as cold-producing medium it is characterised in that described compression
Machine includes stage compressor (2) and split-compressor (3), sets between described stage compressor (2) and described split-compressor (3)
There is intercooler (11), the vapor of the exhaust end discharge of described stage compressor (2) is through described intercooler (11)
After cooling, sucked by the suction end of described split-compressor (3)；Described water as refrigerant used by described intercooler (11) by
Between cooler circulating pump (8) driving cycle, and by condenser (6) pass through second circulation passage supplement supply.
3. according to claim 2 adopt the centrifugal air conditioner group using water as cold-producing medium it is characterised in that described one-level
Compressor (2) and described split-compressor (3) adopt compressor motor (4) Driven by Coaxial.
4. according to claim 2 adopt the centrifugal air conditioner group using water as cold-producing medium it is characterised in that described one-level
Compressor (2) and described split-compressor (3) are driven by stage compressor motor (41) and split-compressor motor (42) respectively.
5. according to arbitrary described the adopting of Claims 1 to 4 use water as cold-producing medium centrifugal air conditioner group it is characterised in that
Described vaporizer (5) is connected with user side (13), and described water as refrigerant can be made while evaporation by internal mediate contact
Heat exchange mode absorbs the heat of the chilled water of described user side (13).
6. according to arbitrary described the adopting of Claims 1 to 4 use water as cold-producing medium centrifugal air conditioner group it is characterised in that
Described condenser (6) is connected with cooling tower (12), and described high-temperature vapor can be made to pass through the heat exchange mode of internal mediate contact
Transfer heat to cooling water, be converted into water as refrigerant.
7. according to arbitrary described the adopting of Claims 1 to 4 use water as cold-producing medium centrifugal air conditioner group it is characterised in that
Described vaporizer (5) and described condenser (6) are shell-tube type, mosquito incense disc type or plate type heat exchanger.
8. according to arbitrary described the adopting of claim 2～4 use water as cold-producing medium centrifugal air conditioner group it is characterised in that
It is respectively arranged with vaporizer cryogen penstock (10) and intercooling in described first circulation passage and described second circulation passage
Device cryogen penstock (9), can adjust the flow of described water as refrigerant.
9. according to arbitrary described the adopting of Claims 1 to 4 use water as cold-producing medium centrifugal air conditioner group it is characterised in that
Described centrifugal air conditioner group is applied to cold water and/or heat pump working condition.
10. according to arbitrary described the adopting of Claims 1 to 4 use water as cold-producing medium centrifugal air conditioner group it is characterised in that
A diameter of more than 2m of container (1).
A kind of 11. operation methods based on the arbitrary described centrifugal air conditioner group of claim 1～10 are it is characterised in that wrap
Include following steps:
Vaporizer (5) changing by internal mediate contact while being vaporized through water as refrigerant that vaporizer circulating pump (7) circulates
Hot mode and outside carry out heat exchange；
Compressor, under the driving of motor, sucks, by suction end, the low temperature vapor that described vaporizer (5) produces, then will be described
Low temperature vapor is compressed, and then discharges high-temperature vapor by exhaust end；
Described high-temperature vapor is converted into water as refrigerant by the heat exchange mode of internal mediate contact by condenser (6)；
Described water as refrigerant is passed through first circulation channel cycle supplement to described vaporizer (5) by condenser (6).
The operation method of 12. centrifugal air conditioner groups according to claim 11 is it is characterised in that described compressor includes
Stage compressor (2) and split-compressor (3), described low temperature vapor is compressed specifically including:
Stage compressor (2) carries out one stage of compression to described low temperature vapor；
Intercooler (11) passes through the described cold of intercooler circulating pump (8) driving cycle to the vapor after one stage of compression
Agent water is cooled down, and described intercooler (11) passes through second circulation passage and obtains described cryogen from described condenser (6)
The circulation of water supplements；
Split-compressor (3) carries out two-stage compression to the vapor after cooling.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410550516.3A CN104235988B (en) | 2014-10-16 | 2014-10-16 | Centrifugal air conditioner unit with water as refrigerants and running method |
| PCT/CN2015/078530 WO2016058365A1 (en) | 2014-10-16 | 2015-05-08 | Air conditioning unit and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410550516.3A CN104235988B (en) | 2014-10-16 | 2014-10-16 | Centrifugal air conditioner unit with water as refrigerants and running method |
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| CN104235988A CN104235988A (en) | 2014-12-24 |
| CN104235988B true CN104235988B (en) | 2017-02-01 |
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| CN201410550516.3A Active CN104235988B (en) | 2014-10-16 | 2014-10-16 | Centrifugal air conditioner unit with water as refrigerants and running method |
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| WO (1) | WO2016058365A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235988B (en) * | 2014-10-16 | 2017-02-01 | 珠海格力电器股份有限公司 | Centrifugal air conditioner unit with water as refrigerants and running method |
| CN107036319B (en) * | 2016-02-04 | 2020-10-02 | 松下知识产权经营株式会社 | Refrigeration cycle device |
| DE102017006206A1 (en) * | 2017-06-30 | 2019-01-03 | Ralf Steffens | Positive displacement compressor system for R-718 |
| CN107957138A (en) * | 2017-10-17 | 2018-04-24 | 上海交通大学 | Using the high temperature heat pump circulatory system and its method of work of natural refrigerant water |
| CN109297120B (en) * | 2018-09-27 | 2020-09-08 | 江苏三木化工股份有限公司 | Industrial cold water refrigerating system and working method |
| CN109442776B (en) * | 2018-11-30 | 2023-12-12 | 中国科学院广州能源研究所 | Water refrigerant air conditioning equipment |
| CN109975052B (en) * | 2019-04-12 | 2023-11-10 | 河北磐睿能源科技有限公司 | Air conditioner refrigerating performance test system and method without cold load state |
| CN110220321A (en) * | 2019-06-19 | 2019-09-10 | 信易电热机械有限公司 | A kind of frozen water machine of indirect refrigeration |
| CN112169364B (en) * | 2020-09-29 | 2021-12-24 | 江苏博颂化工科技有限公司 | Fractionating tower heat pump system adopting external circulating working medium |
| CN113339912A (en) * | 2021-06-17 | 2021-09-03 | 中国华能集团清洁能源技术研究院有限公司 | Low-temperature working medium area cooling system and method |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB974935A (en) * | 1960-09-02 | 1964-11-11 | American Radiator & Standard | Refrigeration machine |
| CN1080385C (en) * | 1994-09-16 | 2002-03-06 | 三洋电机株式会社 | Sealing electric compression engine |
| US5845509A (en) * | 1997-09-26 | 1998-12-08 | Shaw; David N. | Variable speed parallel centrifugal compressors for HVAC and refrigeration systems |
| CN2508161Y (en) * | 2001-12-06 | 2002-08-28 | 重庆通用工业(集团)有限责任公司 | Impeller static friction connected frequency-change centrifugal cooling set |
| JP3676316B2 (en) * | 2002-04-24 | 2005-07-27 | 三菱重工業株式会社 | Turbo refrigerator capacity control method and turbo refrigerator |
| KR100572822B1 (en) * | 2004-12-23 | 2006-04-26 | 최문창 | Air refrigerating cycle |
| US7337630B2 (en) * | 2005-11-10 | 2008-03-04 | Johnson Controls Technology Company | Compact evaporator for chiller application |
| CN2874362Y (en) * | 2006-01-27 | 2007-02-28 | 海尔集团公司 | Integrated screw cold water machine unit |
| KR101065549B1 (en) * | 2009-10-27 | 2011-09-19 | 엘지전자 주식회사 | Dual Turbo Centrifugal Chiller |
| CN102213467A (en) * | 2010-04-02 | 2011-10-12 | 张志刚 | Fan coil containing cold source and system |
| CN102620462B (en) * | 2011-01-31 | 2015-12-16 | 杭州三花研究院有限公司 | The vacuum refrigeration system that thermal source drives |
| CN202973663U (en) * | 2012-11-26 | 2013-06-05 | 重庆美的通用制冷设备有限公司 | Motor cooling system of centrifugal compressor unit and air conditioner system |
| CN203298540U (en) * | 2013-05-17 | 2013-11-20 | 山东格瑞德集团有限公司 | Centrifugal chilling unit |
| CN104235988B (en) * | 2014-10-16 | 2017-02-01 | 珠海格力电器股份有限公司 | Centrifugal air conditioner unit with water as refrigerants and running method |
| CN204154009U (en) * | 2014-10-16 | 2015-02-11 | 珠海格力电器股份有限公司 | Adopt water as the centrifugal air conditioner group of cold-producing medium |
-
2014
- 2014-10-16 CN CN201410550516.3A patent/CN104235988B/en active Active
-
2015
- 2015-05-08 WO PCT/CN2015/078530 patent/WO2016058365A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN104235988A (en) | 2014-12-24 |
| WO2016058365A1 (en) | 2016-04-21 |
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