CN109372598A - A kind of the oil cooler system and its cooling means of steam turbine - Google Patents
A kind of the oil cooler system and its cooling means of steam turbine Download PDFInfo
- Publication number
- CN109372598A CN109372598A CN201811580590.4A CN201811580590A CN109372598A CN 109372598 A CN109372598 A CN 109372598A CN 201811580590 A CN201811580590 A CN 201811580590A CN 109372598 A CN109372598 A CN 109372598A
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- China
- Prior art keywords
- cooling water
- oil cooler
- water
- fixedly connected
- interface
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
Abstract
The invention discloses the oil cooler systems and its cooling means of a kind of steam turbine.The oil cooler system of the steam turbine includes: oil cooler, is provided with cooling water intake on the shell of oil cooler；Cooling water system, including cooling water water inlet component, the first cooling water pipeline and the second cooling water pipeline, the first interface of cooling water water inlet component is fixedly connected with cooling water intake, second interface is fixedly connected with one end of the first cooling water pipeline, and second interface is fixedly connected with one end of the second cooling water pipeline；The other end of first cooling water pipeline is fixedly connected with water circulating pump, and the other end of the second cooling water pipeline is fixedly connected with public water water supply line；Wherein, cooling water water inlet component is for switching the first cooling water pipeline or the second cooling water pipeline to oil cooler Cooling Water.Present invention reduces the energy consumptions of the oil cooler system of steam turbine, reduce the operating cost of system.
Description
Technical field
The present embodiments relate to oil cooler technical field more particularly to the oil cooler systems and its cooling of a kind of steam turbine
Method.
Background technique
Steam turbine is a kind of turbomachinery of high-speed rotation, and turbine rotor relies on bearing support and positioning.Steam turbine work
When making, lubricating oil system is needed persistently to provide the lubricating oil for meeting temperature and pressure requirement to each bearing, so as to built-in in bearing
Vertical lubricating oil film, carries the weight and axial thrust of turbine rotor, and reduce the rotating torque of steam turbine.Steam turbine is in high speed
Frictional heat can be generated during rotation, generate heat exchange with lubricating oil, heat is passed to by oil cooler after lubricating oil heating
Cooling water, to cool down to lubricating oil, it is ensured that the temperature of lubricating oil can guarantee oily viscosity and oil film thickness in a certain range,
So that it is guaranteed that the stability of turbine shafting.
In the operational process of steam turbine, cooling water system needs to provide using water circulating pump to oil cooler a large amount of cooling
Water, the temperature rise to ensure lubricating oil are lower.However, being run after halt turbines by Turbine Barring Gears, generated between each bearing
Frictional heat die-off, it is therefore desirable to cooling water inflow die-off.The existing oil cooler system feelings less in the cooling water inflow of needs
Under condition, it is still desirable to which water circulating pump maintains supply cooling water, while adjusting cooling water valve to adjust cooling water inflow, causes
Water circulating pump has that power consumption is big.
Summary of the invention
The present invention provides the oil cooler system and its cooling means of a kind of steam turbine, to reduce system energy consumption, reduces operation
Cost.
In a first aspect, the embodiment of the invention provides a kind of oil cooler system of steam turbine, the oil cooler system of the steam turbine
System includes:
Oil cooler is provided with cooling water intake on the shell of the oil cooler；
Cooling water system, including cooling water water inlet component, the first cooling water pipeline and the second cooling water pipeline,
The first interface of the cooling water water inlet component is fixedly connected with the cooling water intake, second interface and first cooling
One end of water water supply line is fixedly connected, and third interface is fixedly connected with one end of the second cooling water pipeline；It is described
The other end of first cooling water pipeline is fixedly connected with water circulating pump, the other end of the second cooling water pipeline with
Public water water supply line is fixedly connected；
Wherein, the cooling water water inlet component is for switching the first cooling water pipeline or second cooling water
Water supply line is to the oil cooler Cooling Water.
Optionally, the cooling water water inlet component includes:
The first interface of first threeway, first threeway is fixedly connected with the cooling water intake, second interface with
The first cooling water pipeline is fixedly connected, and third interface is fixedly connected with the second cooling water pipeline.
Optionally, the cooling water water inlet component further include:
First valve is set between the second interface of first threeway and the first cooling water pipeline；
Second valve is set between the third interface of first threeway and the second cooling water pipeline.
Optionally, the cooling water water inlet component further include:
Triple valve, the first interface of the triple valve are fixedly connected with the cooling water intake, second interface with it is described
First cooling water pipeline is fixedly connected, and third interface is fixedly connected with the second cooling water pipeline.
Optionally, the cooling water system further include:
Water side atmospheric pipe；
The third interface of second threeway, the first interface of second threeway and the cooling water water inlet component is fixed to be connected
It connects, second interface is fixedly connected with the second cooling water pipeline, third interface and the fixed company of water side atmospheric pipe
It connects.
Optionally, the public water water supply line includes: living water pipeline, services in waterpipe or fire water pipeline extremely
Few one kind.
Second aspect, the cold oil for the steam turbine that the embodiment of the invention also provides a kind of as described in any embodiment of that present invention
The cooling means of device system, the cooling means include:
When the cooling water inflow needed for the oil cooler is less than said preset amount of water, the second cooling water pipeline is to described
Oil cooler Cooling Water.
Optionally, cooling water inflow needed for the oil cooler includes: less than said preset amount of water
If halt turbines, Turbine Barring Gears are run, and cooling water inflow needed for the oil cooler is less than said preset amount of water.
The embodiment of the present invention improves cooling water system, and setting cooling water system includes cooling water water inlet component, the
One cooling water pipeline and the second cooling water pipeline, and cooling water water inlet component is for switching the first cooling water supply pipe
Road or the second cooling water pipeline are to oil cooler Cooling Water, so as to the demand switching according to oil cooler to cooling water inflow
Using the first cooling water pipeline or the second cooling water pipeline Cooling Water.Compared with prior art, in oil cooler
When cooling water inflow demand is smaller, cooling water is provided to oil cooler without the biggish water supply line of cooling water inflow, without
Water circulating pump continuous service, and can satisfy requirement of the oil cooler to cooling water inflow, reduce the oil cooler system of steam turbine
Energy consumption reduces the operating cost of system.In addition, compared with prior art, the embodiment of the present invention without regulation performance compared with
Good valve adjusts lesser cooling water flow, to reduce the manufacturing cost of system.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the oil cooler system of steam turbine provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of cooling water water inlet component provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another cooling water water inlet component provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the oil cooler system of another steam turbine provided in an embodiment of the present invention；
Fig. 5 is a kind of cooling means flow diagram of the oil cooler system of steam turbine provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 1 is a kind of structural schematic diagram of the oil cooler system of steam turbine provided in an embodiment of the present invention.It, should referring to Fig. 1
The oil cooler system of steam turbine includes: oil cooler 100 and cooling water system 200.Cooling water is provided on the shell of oil cooler 100
Water inlet 110.Cooling water system 200 includes cooling water water inlet component 230, the first cooling water pipeline 210 and the second cooling
The first interface of water water supply line 220, cooling water water inlet component 230 is fixedly connected with cooling water intake 110, second interface with
One end of first cooling water pipeline 210 is fixedly connected, and third interface and one end of the second cooling water pipeline 220 are fixed
Connection；The other end of first cooling water pipeline 210 is fixedly connected with water circulating pump (not shown in figure 1), the second cooling water
The other end of water supply line 220 is fixedly connected with public water supply pipeline (not shown in figure 1).Wherein, cooling water water inlet component 230
For switching the first cooling water pipeline 210 or the second cooling water pipeline 220 to 100 Cooling Water of oil cooler.
Wherein, since the power of water circulating pump is larger, the first cooling water pipeline 210 provides cooling to oil cooler 100
The biggish cooling water of water.Public water supply pipeline for example can be uninterrupted cooling water source, due to the water in public water supply pipeline
Flow is smaller, and the second cooling water pipeline 220 provides the lesser cooling water of cooling water inflow to oil cooler 100.
Illustratively, the cooling means of the oil cooler system of steam turbine provided in an embodiment of the present invention is, when steam turbine just
Often when operation, the cooling water inflow that oil cooler 100 needs is larger, and control loop water pump operation, cooling water water inlet component 230 is switched to
First cooling water pipeline 210 is to 100 Cooling Water of oil cooler；When halt turbines, the cooling water of the needs of oil cooler 100
Measure smaller, control loop water pump is out of service, and cooling water water inlet component 230 is switched to the second cooling water pipeline 220 to cold
Oily 100 Cooling Water of device.
The embodiment of the present invention improves cooling water system 200, and setting cooling water system 200 includes cooling water water inlet group
Part 230, the first cooling water pipeline 210 and the second cooling water pipeline 220, and cooling water water inlet component 230 is for cutting
The first cooling water pipeline 210 or the second cooling water pipeline 220 are changed to 100 Cooling Water of oil cooler, so as to root
Demand switching according to oil cooler 100 to cooling water inflow uses the first cooling water pipeline 210 or the second cooling water pipeline
220 Cooling Waters.Compared with prior art, when the cooling water inflow demand of oil cooler 100 is smaller, without cooling water inflow compared with
Big water supply line provides cooling water to oil cooler 100, without water circulating pump continuous service, and can satisfy oil cooler
The requirement of 100 pairs of cooling water inflows reduces the energy consumption of the oil cooler system of steam turbine, reduces the operating cost of system.In addition,
Compared with prior art, the embodiment of the present invention adjusts lesser cooling water flow without regulation performance preferable valve,
To reduce the manufacturing cost of system.
In the above embodiments, optionally, public water water supply line includes: living water pipeline, service waterpipe or disappears
At least one of watertight conduit can according to need be configured in practical applications.For example, if fire extinguisher canvas hose track pitch is from cold
But water system 200 is relatively close, and pipeline is easy to connect, then the second cooling water pipeline 220 selection uses fire water pipeline.Due to life
Running water pipeline, the service public water water supply line such as waterpipe or fire water pipeline can uninterruptedly supply water, and water supply can expire
Requirement of the oil cooler 100 to cooling water inflow when sufficient turbine speed is lower.
Fig. 2 is a kind of structural schematic diagram of cooling water water inlet component provided in an embodiment of the present invention.Referring to Fig. 1 and Fig. 2, exist
On the basis of the various embodiments described above, optionally, cooling water water inlet component 230 includes: the first threeway 231.The of first threeway 231
One interface 231A is fixedly connected with cooling water intake 110, second interface 231B and the fixed company of the first cooling water pipeline 210
It connects, third interface 231C is fixedly connected with the second cooling water pipeline 220, so that the first cooling water pipeline 210 and
Cooling water homomergic flow in two cooling water pipelines 220 enters cooling water intake 110.
With continued reference to Fig. 1 and Fig. 2, on the basis of the various embodiments described above, optionally, cooling water water inlet component 230 is also wrapped
It includes: the first valve 232 and the second valve 233.First valve 232 is set to the second interface 231B and first of the first threeway 231
Between cooling water pipeline 210；Second valve 233 is set to the third interface 231C and the second cooling water of the first threeway 231
Between water supply line 220.
Illustratively, the cooling means of the oil cooler system of steam turbine provided in an embodiment of the present invention is, when steam turbine just
Often when operation, the cooling water inflow that oil cooler 100 needs is larger, control loop water pump operation, and the first valve 232 is opened, the second valve
Door 233 is closed, and the first cooling water pipeline 210 is to 100 Cooling Water of oil cooler；When halt turbines, oil cooler 100 is needed
The cooling water inflow wanted is smaller, and control loop water pump is out of service, and the first valve 232 is closed, and the second valve 233 is opened, cooling water
Water inlet component 230 is switched to the second cooling water pipeline 220 to 100 Cooling Water of oil cooler.
Fig. 3 is the structural schematic diagram of another cooling water water inlet component provided in an embodiment of the present invention.Referring to Fig. 3, upper
On the basis of stating each embodiment, optionally, cooling water water inlet component 230 further includes triple valve 234.The first of triple valve 234 connects
Mouth 234A is fixedly connected with cooling water intake, and second interface 234B is fixedly connected with the first cooling water pipeline, and third connects
Mouth 234C is fixedly connected with the second cooling water pipeline.
Wherein, triple valve 234 is integrated with the function of threeway and valve, can control cooling water in it by its valve 234D
Through-flow situation, the course of work is, when valve 234D is closed, cooling water does not circulate in triple valve 234；As valve 234D
When opening positioned at first position, cooling water is flowed into from second interface 234B, first interface 234A outflow, the first cooling water supply pipe
Road is to oil cooler Cooling Water；When valve 234D, which is opened, is located at the second position, cooling water is flowed into from third interface 234C, and first
Interface 234A outflow, the second cooling water pipeline is to oil cooler Cooling Water.Cooling water water inlet component 230 in this way, with
It is compared, is easily installed and convenient for control by the way of threeway and valve combination.
Fig. 4 is the structural schematic diagram of the oil cooler system of another steam turbine provided in an embodiment of the present invention.Referring to fig. 4,
On the basis of the various embodiments described above, optionally, cooling water system 200 further include: water side atmospheric pipe 240 and the second threeway
235.The first interface of second threeway 235 is fixedly connected with the third interface of cooling water water inlet component 230, second interface and second
Cooling water pipeline 220 is fixedly connected, and third interface is fixedly connected with water side atmospheric pipe 240.Wherein, water side atmospheric pipe
240 are connected to the first cooling water pipeline 210 and the second cooling water pipeline 220, are conducive to cooling water in oil cooler 100
In flowing.
With continued reference to Fig. 4, on the basis of the various embodiments described above, optionally, it is additionally provided on the shell of oil cooler 100 cold
But water water outlet 120, cooling water system 200 further include outlet conduit 250, for cooling water to be discharged from oil cooler 100.
With continued reference to Fig. 4, on the basis of the various embodiments described above, optionally, be additionally provided on the shell of oil cooler 100 into
Oil-piping 130, flowline 140 and blow-off line 150.Wherein, the oil temperature of the lubricating oil in inflow pipeline 130 is higher, through cold
The oil temperature of the cooling of oily device 100, the lubricating oil in flowline 140 is lower.And the oil of the lubricating oil in inflow pipeline 130
Wen Yuegao, the cooling water inflow that cooling water intake 110 needs to flow into is bigger, to meet the operation demand of steam turbine.
The embodiment of the invention also provides a kind of cooling means of the oil cooler system of steam turbine.Fig. 5 is that the present invention is implemented
A kind of cooling means flow diagram of the oil cooler system for steam turbine that example provides.Referring to Fig. 5, the oil cooler system of the steam turbine
The cooling means of system the following steps are included:
When S110, the cooling water inflow needed for oil cooler are less than said preset amount of water, the second cooling water pipeline is to oil cooler
Cooling Water.
Wherein, when said preset amount of water for example can be steam turbine and operate normally, 0.5 times of cooling water inflow needed for oil cooler or
0.3 times.Illustratively, if halt turbines, Turbine Barring Gears are run, and cooling water inflow needed for oil cooler is less than said preset amount of water.
When the embodiment of the present invention is less than said preset amount of water by the cooling water inflow needed for oil cooler, the second cooling water supply pipe
Road is to oil cooler Cooling Water, compared with prior art, when the cooling water inflow demand of oil cooler is smaller, without cooling water
It measures biggish water supply line and provides cooling water to oil cooler, without water circulating pump continuous service, and can satisfy oil cooler
Requirement to cooling water inflow reduces the energy consumption of the oil cooler system of steam turbine, reduces the operating cost of system.
With continued reference to Fig. 5, on the basis of the above embodiments, optionally, the cooling side of the oil cooler system of the steam turbine
Method further include:
When S120, the cooling water inflow needed for oil cooler are greater than said preset amount of water, the first cooling water pipeline is to oil cooler
Cooling Water.
It should be noted that the present invention is not construed as limiting the execution step of S110 and S120, it in practical applications can root
According to being set.For example, need to first carry out S120 if steam turbine becomes shutdown status from normal operating condition, it is rear to execute
S110；If steam turbine becomes normal operating condition from shutdown status, needs to first carry out S110, execute S120 afterwards.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (8)
1. a kind of oil cooler system of steam turbine characterized by comprising
Oil cooler is provided with cooling water intake on the shell of the oil cooler；
Cooling water system, including cooling water water inlet component, the first cooling water pipeline and the second cooling water pipeline, it is described
The first interface of cooling water water inlet component is fixedly connected with the cooling water intake, and second interface and first cooling water supply
One end of waterpipe is fixedly connected, and third interface is fixedly connected with one end of the second cooling water pipeline；Described first
The other end of cooling water pipeline is fixedly connected with water circulating pump, the other end of the second cooling water pipeline with it is public
Water water supply line is fixedly connected；
Wherein, the cooling water water inlet component is for switching the first cooling water pipeline or second cooling water
Pipeline is to the oil cooler Cooling Water.
2. the oil cooler system of steam turbine according to claim 1, which is characterized in that the cooling water water inlet component packet
It includes:
The first interface of first threeway, first threeway is fixedly connected with the cooling water intake, second interface with it is described
First cooling water pipeline is fixedly connected, and third interface is fixedly connected with the second cooling water pipeline.
3. the oil cooler system of steam turbine according to claim 2, which is characterized in that the cooling water water inlet component also wraps
It includes:
First valve is set between the second interface of first threeway and the first cooling water pipeline；
Second valve is set between the third interface of first threeway and the second cooling water pipeline.
4. the oil cooler system of steam turbine according to claim 1, which is characterized in that the cooling water water inlet component also wraps
It includes:
Triple valve, the first interface of the triple valve are fixedly connected with the cooling water intake, second interface and described first
Cooling water pipeline is fixedly connected, and third interface is fixedly connected with the second cooling water pipeline.
5. the oil cooler system of steam turbine according to claim 1, which is characterized in that the cooling water system further include:
Water side atmospheric pipe；
Second threeway, the first interface of second threeway are fixedly connected with the third interface of the cooling water water inlet component, the
Two interfaces are fixedly connected with the second cooling water pipeline, and third interface is fixedly connected with water side atmospheric pipe.
6. the oil cooler system of steam turbine according to claim 1, which is characterized in that the public water water supply line packet
It includes: living water pipeline, service at least one of waterpipe or fire water pipeline.
7. a kind of cooling means of the oil cooler system of steam turbine as claimed in any one of claims 1 to 6, which is characterized in that packet
It includes:
When the cooling water inflow needed for the oil cooler is less than said preset amount of water, the second cooling water pipeline is to the cold oil
Device Cooling Water.
8. the cooling means of the oil cooler system of steam turbine according to claim 7, which is characterized in that the oil cooler institute
Need cooling water inflow include: less than said preset amount of water
If halt turbines, Turbine Barring Gears are run, and cooling water inflow needed for the oil cooler is less than said preset amount of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580590.4A CN109372598A (en) | 2018-12-24 | 2018-12-24 | A kind of the oil cooler system and its cooling means of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580590.4A CN109372598A (en) | 2018-12-24 | 2018-12-24 | A kind of the oil cooler system and its cooling means of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109372598A true CN109372598A (en) | 2019-02-22 |
Family
ID=65371636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811580590.4A Pending CN109372598A (en) | 2018-12-24 | 2018-12-24 | A kind of the oil cooler system and its cooling means of steam turbine |
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|---|---|---|---|---|
| JP2007247613A (en) * | 2006-03-17 | 2007-09-27 | Chugoku Electric Power Co Inc:The | Method for switching cooling water system of bearing oil cooler and its device |
| CN101526207A (en) * | 2009-04-23 | 2009-09-09 | 东营华泰热力有限责任公司 | Thermoelectrical steam exhaust recovering device |
| CN202254560U (en) * | 2011-09-09 | 2012-05-30 | 河南利源煤焦集团有限公司 | Oil cooler |
| CN205036414U (en) * | 2015-10-10 | 2016-02-17 | 大唐华银株洲发电有限公司 | Exhaust pipe of vertical oil cooler of steam turbine host computer |
| CN205064009U (en) * | 2015-10-09 | 2016-03-02 | 河北大唐国际迁安热电有限责任公司 | Turbo -engine lube cooling system |
| CN205876403U (en) * | 2016-08-08 | 2017-01-11 | 中国能源建设集团广东省电力设计研究院有限公司 | Open circulation cooling water system |
| CN209354209U (en) * | 2018-12-24 | 2019-09-06 | 沧州华润热电有限公司 | A kind of oil cooler system of steam turbine |
-
2018
- 2018-12-24 CN CN201811580590.4A patent/CN109372598A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007247613A (en) * | 2006-03-17 | 2007-09-27 | Chugoku Electric Power Co Inc:The | Method for switching cooling water system of bearing oil cooler and its device |
| CN101526207A (en) * | 2009-04-23 | 2009-09-09 | 东营华泰热力有限责任公司 | Thermoelectrical steam exhaust recovering device |
| CN202254560U (en) * | 2011-09-09 | 2012-05-30 | 河南利源煤焦集团有限公司 | Oil cooler |
| CN205064009U (en) * | 2015-10-09 | 2016-03-02 | 河北大唐国际迁安热电有限责任公司 | Turbo -engine lube cooling system |
| CN205036414U (en) * | 2015-10-10 | 2016-02-17 | 大唐华银株洲发电有限公司 | Exhaust pipe of vertical oil cooler of steam turbine host computer |
| CN205876403U (en) * | 2016-08-08 | 2017-01-11 | 中国能源建设集团广东省电力设计研究院有限公司 | Open circulation cooling water system |
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