CN207335217U - Efficient parallel-screw chilled water system - Google Patents
Efficient parallel-screw chilled water system Download PDFInfo
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- CN207335217U CN207335217U CN201721196122.8U CN201721196122U CN207335217U CN 207335217 U CN207335217 U CN 207335217U CN 201721196122 U CN201721196122 U CN 201721196122U CN 207335217 U CN207335217 U CN 207335217U
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Abstract
The utility model discloses a kind of efficiently parallel-screw chilled water system, low pressure refrigerant gas is compressed into gases at high pressure and is sent into gs-oil separator by some helical-lobe compressors being installed in parallel, gas after Oil-gas Separation enters condenser, condensed refrigerant liquid flows into siphon device, liquid reservoir, enter back into evaporator, low pressure liquid absorbs heat in evaporator to flash to low-pressure gas and is siphoned away by helical-lobe compressor, and then completes kind of refrigeration cycle, while achievees the purpose that to cool down to cold water.In addition, helical-lobe compressor is arranged in parallel, during so as to realize that part helical-lobe compressor breaks down, other helical-lobe compressors remain to work, can meet or maintenance awkward silence at a meeting cooling needed for, effectively improve system reliability.
Description
Technical field
Bolt cold water system regions are the utility model is related to, especially a kind of efficiently parallel-screw chilled water system.
Background technology
Existing bolt cold water system mainly uses 1 helical-lobe compressor and gs-oil separator, condenser, liquid reservoir, throttling
The autonomous system of each 1 composition of valve, evaporator.It is made of when refrigerating capacity is larger several autonomous systems.Helical-lobe compressor is low
Compression refrigerant gas compression separates the lubricating oil in gases at high pressure into gases at high pressure, gs-oil separator, and condenser is high
Body of calming the anger is condensed into liquid, and highly pressurised liquid becomes low pressure by throttle valve and enters evaporator, and low pressure liquid absorbs heat in evaporator
Cool down to cold water and flash to low-pressure gas, and then complete kind of refrigeration cycle, achieve the purpose that to cool down to cold water.But current screw rod
Chilled water system there are reliability it is poor the problem of, such as when helical-lobe compressor breaks down, which cannot freeze, corresponding
Use awkward silence at a meeting institute by wholly off operation.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of efficiently parallel-screw chilled water system, can solve reliable
Property difference and cost of equipment it is high the problem of.
To achieve these goals, the utility model provides following technical solution：
A kind of efficiently parallel-screw chilled water system, including：
SCREW COMPRESSOR, gs-oil separator, condense unit, siphon device, liquid reservoir, evaporation unit and automatically control display
System；
The gs-oil separator is connected with the SCREW COMPRESSOR, the condensation unit respectively；
The siphon device is connected with the condensation unit, the liquid reservoir respectively；
The liquid reservoir is connected with the evaporation unit；
The evaporation unit is connected with the SCREW COMPRESSOR；
It is connected at the top of the oil cooler with the top of the siphon device by the first pipeline；The oil cooler bottom and institute
Siphon device bottom is stated to connect by second pipe；
If the SCREW COMPRESSOR includes dry screw compressor, some helical-lobe compressors are connected in parallel；
It is described automatically control display system respectively with the SCREW COMPRESSOR, the gs-oil separator, the freezing machine
Group, the siphon device, the liquid reservoir, the evaporation unit connection.
Preferably, the quantity of helical-lobe compressor described in the SCREW COMPRESSOR is 2~5.
Preferably, the liquid reservoir is connected with the evaporator by throttle valve.
Preferably, the helical-lobe compressor is semi-hermetic screw compressor.
Preferably, the condenser is evaporative condenser.
Preferably, the condensation unit includes some condensers, and some condensers are connected in parallel.
Preferably, the quantity of condenser is 2~4 described in the condensation unit.
Preferably, the evaporation unit includes some evaporators, and some evaporators are connected in parallel.
Preferably, the quantity of evaporator is 2~4 described in the evaporation unit.
A kind of efficiently parallel-screw chilled water system provided by the utility model, some helical-lobe compressors being installed in parallel will
Low pressure refrigerant gas is compressed into gases at high pressure and is sent into gs-oil separator, and the gas after Oil-gas Separation enters condenser, after condensation
Refrigerant liquid flow into siphon device, liquid reservoir, enter back into evaporator, low pressure liquid absorbs heat in evaporator flashes to low pressure gas
Body is siphoned away by helical-lobe compressor, and then completes kind of refrigeration cycle, while achievees the purpose that to cool down to cold water.In addition, helical-lobe compressor
It is arranged in parallel, during so as to realize that part helical-lobe compressor breaks down, other helical-lobe compressors remain to work, can meet
Or maintain with awkward silence at a meeting cooling needed for, effectively improve system reliability.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of efficient parallel-screw chilled water system in the utility model.
In figure：
1st, helical-lobe compressor；2nd, gs-oil separator；3rd, condenser；4th, siphon device；5th, liquid reservoir；6th, throttle valve；7th, evaporate
Device；8th, oil cooler.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of efficiently parallel-screw chilled water system provided by the utility model, including：
SCREW COMPRESSOR, gs-oil separator 2, condense unit, siphon device 4, liquid reservoir 5, evaporation unit and automatically control
Display system；
The gs-oil separator 2 is connected with the SCREW COMPRESSOR, the condensation unit respectively；
The siphon device 4 is connected with the condensation unit, the liquid reservoir 5 respectively；
The liquid reservoir 5 is connected with the evaporation unit；
The evaporation unit is connected with the SCREW COMPRESSOR；
The top of oil cooler 8 is connected with the top of siphon device 4 by the first pipeline；8 bottom of oil cooler
It is connected with 4 bottom of siphon device by second pipe；
If the SCREW COMPRESSOR includes dry screw compressor 1, some helical-lobe compressors 1 are connected in parallel；
It is described automatically control display system respectively with the SCREW COMPRESSOR, the gs-oil separator 2, the freezing machine
Group, the siphon device 4, the liquid reservoir 5, the evaporation unit, the oil cooler 8 connect.
In above-mentioned technical proposal, low pressure refrigerant gas is compressed into high pressure by some helical-lobe compressors 1 being installed in parallel
Gas is sent into gs-oil separator 2, and the gas after Oil-gas Separation enters condenser 3, condensed refrigerant liquid inflow siphon device
4th, liquid reservoir 5, enter back into evaporator 7, and low pressure liquid heat absorption in evaporator 7 flashes to low-pressure gas and inhaled by helical-lobe compressor 1
Walk, and then complete kind of refrigeration cycle, while achieve the purpose that to cool down to cold water.In addition, helical-lobe compressor 1 is arranged in parallel, so as to
When enough realizing that part helical-lobe compressor 1 breaks down, other helical-lobe compressors 1 remain to work, can meet or maintenance awkward silence at a meeting
Cooling needed for, effectively improve system reliability.
In the present embodiment, the quantity of helical-lobe compressor 1 is 2~5 in SCREW COMPRESSOR.
In the present embodiment, liquid reservoir 5 is connected with evaporator 7 by throttle valve 6, and throttle valve 6 can play throttling drop
The effect of pressure.
In the present embodiment, helical-lobe compressor 1 is semi-hermetic screw compressor.
In the present embodiment, condenser 3 is evaporative condenser, and evaporative condenser is by the whole screw compressions of satisfaction
Machine 1 works at the same time design, type selecting.When cooling load of the air-conditioning system is smaller, only half of screw compressor 1 works, evaporating type condensing
Device still can all put into operation.At this time for forwardtransfer signal worm compressor 1, equivalent to condensation area is increased, condensation is reduced
Temperature and the heat transfer temperature difference of cooling medium, reduce condensation temperature, energy consumption is reduced.It should be noted that condensation temperature rise 1
DEG C, the power consumption of specific refrigerating effect will increase 3-3.5%.
In the present embodiment, if condensation unit includes dry condenser 3, if dry condenser 3 is connected in parallel.Wherein, it is cold
The quantity of condenser 3 is 2~4 described in solidifying unit.The condenser 3 being arranged in parallel, can realize that event occurs in fractional distilling tube 3
During barrier, its condenser 3 remains to work, effectively improves system reliability.
In the present embodiment, evaporation unit includes some evaporators 7, and some evaporators 7 are connected in parallel.Wherein, evaporate
The quantity of device 7 is 2~4.
It should be noted that parallel evaporator 7 is to work at the same time design, type selecting by the whole helical-lobe compressors 1 of satisfaction, when
When half of screw compressor 1 works, equivalent to the disengagement area for increasing evaporator 7, reduce evaporating temperature and be situated between with cooled
The heat transfer temperature difference of matter, raises evaporating temperature, and energy consumption reduces.Evaporating temperature reduces by 1 DEG C, and the power consumption of specific refrigerating effect will increase
4.5%.
In the present embodiment, it is contemplated that refrigeration duty characteristic, 3 heat exhaust of condenser of parallel-screw chilled water system, evaporation
7 refrigerating capacity of device is respectively less than the sum of 3 autonomous systems under normal circumstances, so condenser 3, the specification of evaporator 7 can be reduced, reduces
Ancillary equipment quantity, reduces floor space, reduces cost of equipment.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using this to institute's public affairs
The described above for the embodiment opened, enables professional and technical personnel in the field to realize or using the utility model.To these implementations
A variety of modifications of example will be apparent for those skilled in the art, and the general principles defined herein can
Without departing from the spirit or scope of the present utility model, to realize in other embodiments.Therefore, the utility model will
It will not be intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and novel features phase one
The most wide scope caused.
Claims (9)
- A kind of 1. efficiently parallel-screw chilled water system, it is characterised in that including：SCREW COMPRESSOR, gs-oil separator (2), condensation unit, siphon device (4), liquid reservoir (5), evaporation unit, oil cooler (8) and display system is automatically controlled；The gs-oil separator (2) is connected with the SCREW COMPRESSOR, the condensation unit respectively；The siphon device (4) is connected with the condensation unit, the liquid reservoir (5) respectively；The liquid reservoir (5) is connected with the evaporation unit；The evaporation unit is connected with the SCREW COMPRESSOR；It is connected at the top of the oil cooler (8) with the top of the siphon device (4) by the first pipeline；Oil cooler (8) bottom Portion is connected with the siphon device (4) bottom by second pipe；If the SCREW COMPRESSOR includes dry screw compressor (1), some helical-lobe compressors (1) are connected in parallel；It is described automatically control display system respectively with the SCREW COMPRESSOR, the gs-oil separator (2), the freezing machine Group, the siphon device (4), the liquid reservoir (5), the evaporation unit, the oil cooler (8) connection.
- 2. efficiently parallel-screw chilled water system as claimed in claim 1, it is characterised in that described in the SCREW COMPRESSOR The quantity of helical-lobe compressor (1) is 2~5.
- 3. efficiently parallel-screw chilled water system as claimed in claim 1, it is characterised in that the helical-lobe compressor (1) is half Closed spiro rod compressor.
- 4. efficiently parallel-screw chilled water system as claimed in claim 1, it is characterised in that the liquid reservoir (5) and the steaming Device (7) is sent out to connect by throttle valve (6).
- 5. efficiently parallel-screw chilled water system as claimed in claim 1, it is characterised in that the condenser (3) is vaporation-type Condenser.
- 6. efficiently parallel-screw chilled water system as claimed in claim 1, it is characterised in that the condensation unit includes some The condenser (3), some condensers (3) are connected in parallel.
- 7. efficiently parallel-screw chilled water system as claimed in claim 6, it is characterised in that condensed described in the condensation unit The quantity of device (3) is 2~4.
- 8. efficiently parallel-screw chilled water system as claimed in claim 1, it is characterised in that the evaporation unit includes some institutes Evaporator (7) is stated, some evaporators (7) are connected in parallel.
- 9. efficiently parallel-screw chilled water system as claimed in claim 8, it is characterised in that evaporated described in the evaporation unit The quantity of device (7) is 2~4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721196122.8U CN207335217U (en) | 2017-09-18 | 2017-09-18 | Efficient parallel-screw chilled water system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721196122.8U CN207335217U (en) | 2017-09-18 | 2017-09-18 | Efficient parallel-screw chilled water system |
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| CN207335217U true CN207335217U (en) | 2018-05-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504704A (en) * | 2017-09-18 | 2017-12-22 | 石家庄久鼎制冷空调设备有限公司 | Efficient parallel-screw chilled water system |
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2017
- 2017-09-18 CN CN201721196122.8U patent/CN207335217U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504704A (en) * | 2017-09-18 | 2017-12-22 | 石家庄久鼎制冷空调设备有限公司 | Efficient parallel-screw chilled water system |
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