CN106194289A - A kind of Steam Turhine Adjustment device and application process thereof - Google Patents
A kind of Steam Turhine Adjustment device and application process thereof Download PDFInfo
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- CN106194289A CN106194289A CN201610848684.XA CN201610848684A CN106194289A CN 106194289 A CN106194289 A CN 106194289A CN 201610848684 A CN201610848684 A CN 201610848684A CN 106194289 A CN106194289 A CN 106194289A
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- valve
- fuel tank
- oil
- filter element
- main fuel
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- 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
-
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
Abstract
The present invention relates to million kilowatt nuclear power station key technology technical field, it is specifically related to a kind of Steam Turhine Adjustment device and application process thereof, when regulating oil incident of leakage for the main air valve that happens suddenly in prior art, little according to original operator scheme repairing amount, repairing speed is slow, the problem that there is chaser risk, the present invention provides a kind of Steam Turhine Adjustment device, for cannot the problem of quickly repairing in time after the regulation oil leakage of steam turbine main air valve, by newly-increased pipeline to system repairing, improve original system main fuel tank liquid level definite value, drop to increase the human intervention time before low liquid level triggers automatic chaser at main fuel tank oil level, for finding in time and the problem that solves has striven for the time, avoid intervening and cause the matters of aggravation such as chaser not in time.
Description
Technical field
The present invention relates to million kilowatt nuclear power station key technology technical field, be specifically related to a kind of Steam Turhine Adjustment device
And application process.
Background technology
The major function of steam turbine for nuclear power station regulation oil system (GFR) is to protect for steam turbine control system (GRE), steam turbine
Protecting system (GSE) provides the power oil and protection oil that quality is qualified, realizes steam turbine by the power oil mass of supply GRE/GSE and turns
Velocity modulation joint and trip protection function, steam turbine adjusting oil (GFR) system is extremely important to the safe and stable operation of whole steam turbine.
L3/4GFR steam turbine generator of the prior art regulation oil system is the most all system fuel feeding by a main fuel tank,
Lack the emergent online supplementary device of regulation oil.Due to regulation oil system in sampling loss, a small amount of leakage of oil of the interface such as valve, equipment with
And the discharge etc. of system, after longtime running, main fuel tank will necessarily reduce, additionally, due to system oil operating pressure up to
120bar, leakage of oil speed, if once there is leakage of oil in system high pressure valve and plug, it will produce the wind of regulation shortage of oil
Danger, consequently, it is possible to affect the operation of governing system, may cause time serious shutting down.
Summary of the invention
When the present invention is directed to prior art happens suddenly adjusting air valve/main air valve power oil and protects oil incident of leakage, according to
Original operator scheme repairing amount is little, repairing speed is slow, the problem that there is chaser risk, it is provided that a kind of Steam Turhine Adjustment device and
Its application process, for after power oil and protection oil leakage cannot the problem of quickly repairing in time, increase before triggering automatic chaser
Add the human intervention time, it is to avoid actually occurring of chaser.
The present invention is achieved through the following technical solutions this purpose:
A kind of Steam Turhine Adjustment device, is connected with the main fuel tank of steam turbine adjusting oil system, and described adjusting means includes also
Connection connect reserve fuel tank, oil return receiving magazine and filter element, the outlet of described filter element respectively with reserve fuel tank, oil return
The import of receiving magazine and main fuel tank connects, reserve fuel tank, oil return receiving magazine and main fuel tank outlet respectively with filter single
Unit import connect, the import and export of described main fuel tank, reserve fuel tank, oil return receiving magazine and filter element be respectively arranged with every
From valve, the two ends of described adjusting means are respectively arranged with standby punching/oil extraction interface, and the standby punching of said two/oil extraction interface divides
It is not provided with the 9th valve, the tenth valve.
Wherein, described filter element includes filter and the oil pump connected by pipeline, also includes being connected with described oil pump
Motor and electric cabinet, described pipeline is provided with Pressure gauge.
As preferred scheme, described filter includes grade one filter and secondary filter, the described one-level mistake of series connection
The filtering accuracy of filter is 5 μm, and the filtering accuracy of secondary filter is 1 μm.
Further, described grade one filter and secondary filter are provided with bypass valve and visually/electric signal pressure reduction
Signalling generator.
As preferably, also include that overflow valve, described overflow valve are connected in parallel with oil pump.
Wherein, described adjusting means is fixed on a support, and described filter element is arranged on the bottom of support, standby
Fuel tank, oil return receiving magazine are arranged on the top of support.
Wherein, the import and export of described reserve fuel tank is respectively arranged with the first valve, the second valve, described oil return receiving magazine
Import and export be respectively arranged with the 3rd valve, the 4th valve, the import and export of described filter element be respectively arranged with the 5th valve,
6th valve, the import and export of described main fuel tank is respectively arranged with the 7th valve, the 8th valve.
The application process of a kind of Steam Turhine Adjustment device, comprises the following steps:
Main fuel tank on-line filtration: be separately turned on the 5th valve, the 6th valve, the 7th valve, the 8th valve, other valve is equal
Close, open filter element work so that the power oil in main fuel tank flows back to main fuel tank after circulating through the filtration of filter element,
Complete the on-line filtration to main fuel tank medium power oil；
Reserve fuel tank on-line filtration: be separately turned on the first valve, the second valve, the 5th valve, the 6th valve, other valve
It is turned off, opens filter element work so that the power oil in reserve fuel tank flows back to standby after circulating through the filtration of filter element
With fuel tank, complete the on-line filtration to reserve fuel tank medium power oil；
Reserve fuel tank supplements power oil to main fuel tank, can be realized by any one mode following:
A, dependence flow by gravity repairing: opening the second valve, the 8th valve, other valve is turned off, in reserve fuel tank
Power oil is under gravity from flowing to main fuel tank；
Repairing after b, filtration: being separately turned on the second valve, the 5th valve, the 6th valve, the 7th valve, other valve all closes
Close, open filter element work so that the power oil in reserve fuel tank flows into main fuel tank after the filtration of filter element；
Main fuel tank moves back oil to oil return receiving magazine: be separately turned on the 8th valve, the 5th valve, the 6th valve, the 3rd valve, its
Its valve is turned off, and opens filter element work, is delivered to by the power oil in main fuel tank under the dynamic action of filter element
Oil return receiving magazine；
Oil return receiving magazine is to main fuel tank oil-feed: be separately turned on the 4th valve, the 5th valve, the 6th valve, the 7th valve, its
Its valve is turned off, and opens filter element work so that the power oil in oil return receiving magazine flows after the filtration of filter element
Enter main fuel tank；
Oil return receiving magazine is the most standby with reserve fuel tank: be separately turned on the 4th valve, the 5th valve, the 6th valve, first
Valve, other valve is turned off, and opens filter element work so that the power oil in oil return receiving magazine is through the mistake of filter element
Reserve fuel tank is flowed into after filter；
System initial prime, including to main fuel tank initial prime with to reserve fuel tank initial prime:
To main fuel tank initial prime: be separately turned on the tenth valve, the 5th valve, the 6th valve, the 7th valve, other valve
It is turned off, from outside, power oil is filled with main fuel tank after filter element filters；
To reserve fuel tank initial prime: be separately turned on the tenth valve, the 5th valve, the 6th valve, the first valve, other valve
Door is turned off, and is filled with reserve fuel tank by power oil from outside after filter element filters.
Relative to prior art, the invention have the benefit that
During for the adjusting air valve that happens suddenly in prior art/main air valve regulation oil incident of leakage, according to original operator scheme
Repairing amount is little, repairing speed slow, the problem that there is chaser risk, and the present invention provides a kind of Steam Turhine Adjustment device, for steamer
After machine adjusting air valve/main air valve power oil and protection oil leakage cannot the problem of quickly repairing in time, by newly-increased pipeline to being
System repairing, improves original system main fuel tank liquid level definite value, increases before triggering steam turbine trip after main fuel tank oil level drops to low liquid level
Add the human intervention time, for finding in time and the problem that solves has striven for the time, it is to avoid intervene serious things such as causing chaser not in time
Part.
Accompanying drawing explanation
Fig. 1 is the pipeline connection diagram of the Steam Turhine Adjustment device of the present invention.
Fig. 2 is the structural representation of the Steam Turhine Adjustment device of the present invention.
Fig. 3 is the structural representation of the filter element of the present invention.
Fig. 4 is the top view of the filter element of the present invention.
Fig. 5 is the pipeline connection diagram of the filter element of the present invention.
In figure: 1-main fuel tank, 2-reserve fuel tank, 3-oil return receiving magazine, 4-filter element, 5-pipeline, 6-the 9th valve, 7-
Tenth valve, 8-oil pump, 9-motor, 10-Pressure gauge, 11-grade one filter, 12-secondary filter, 13-bypass valve, 14-mesh
Depending on/electric signal differential pressure transmitter device, 15-overflow valve, 16-support, 17-the first valve, 18-the second valve, 19-the 3rd valve, 20-
4th valve, 21-the 5th valve, 22-the 6th valve, 23-the 7th valve, 24-the 8th valve, 25-liquidometer.
Detailed description of the invention
Describe the present invention below in conjunction with drawings and the specific embodiments.
Embodiment 1.
As it is shown in figure 1, a kind of Steam Turhine Adjustment device of the present embodiment, connect with the main fuel tank 1 of steam turbine adjusting oil system
Connecing, described adjusting means includes reserve fuel tank 2, oil return receiving magazine 3 and the filter element 4 being connected in parallel, described filter element 4
Outlet import with reserve fuel tank 2, oil return receiving magazine 3 and main fuel tank 1 respectively be connected, reserve fuel tank 2, oil return receiving magazine 3
And main fuel tank 1 outlet import with filter element 4 respectively be connected, described main fuel tank 1, reserve fuel tank 2, oil return receiving magazine
3 and the import and export of filter element 4 be respectively arranged with isolating valve, the two ends of described adjusting means are respectively arranged with standby punching/row
Oil interface, the standby punching of said two/oil extraction interface is respectively arranged with the 9th valve the 6, the tenth valve 7.
It is not only convenient for the operations such as the external oil drum of system conversion fresh oil, system initial prime, optimizes maintenance flow, but also
New filter element 4 or miscellaneous equipment can be concatenated further by the 9th valve the 6, the tenth valve 7, improve the present invention further
The filter capacity of emergency oil stand-by provision and repairing ability.
Wherein, the import and export of described reserve fuel tank 2 is respectively arranged with first valve the 17, second valve 18, and described oil return connects
The import and export receiving case 3 is respectively arranged with the 3rd valve the 19, the 4th valve 20, and the import and export of described filter element 4 is respectively provided with
Having the 5th valve the 21, the 6th valve 22, the import and export of described main fuel tank 1 is respectively arranged with the 7th valve the 23, the 8th valve 24.
The present invention is directed to after the regulation oil leakage of steam turbine main air valve cannot the problem of quickly repairing in time, by newly-increased pipeline
To system repairing, improve original system main fuel tank 1 liquid level definite value, it is to avoid main fuel tank 1 oil level causes steam turbine after dropping to low liquid level
Tripping operation, triggering the human intervention time that increases before automatic chaser, for finding in time and the problem that solves has striven for the time, it is to avoid intervene
Cause the matters of aggravation such as chaser not in time.
Concrete, when system generation leakage of oil, main fuel tank 1 oil level drops to alarming value, and master control shwoot is reported to the police, and operator is true
Recognize after liquid level truly reduces, manually boot emergency oil stand-by provision, mended to system main fuel tank 1 by newly-increased emergency oil stand-by provision
Oil, it is to avoid main fuel tank 1 oil level causes steam turbine trip after dropping to low liquid level.
When main fuel tank 1, reserve fuel tank 2 are keeped in repair or during maintenance work by needs, can be temporary transient by the power oil in device
Store to oil return receiving magazine 3, without emptying from emergency oil stand-by provision completely, simplify operating process, be conducive to
It is greatly improved efficiency.
As in Figure 3-5, described filter element 4 includes filter and the oil pump 8 connected by pipeline 5, also includes and institute
State motor 9 and electric cabinet that oil pump 8 connects, described pipeline 5 is provided with Pressure gauge 10.
In order to ensure power oil smooth flow between oil return receiving magazine 3, reserve fuel tank 2 and main fuel tank 1, by bag
Filter element 4 containing filter and oil pump 8 is by reserve fuel tank 2 and main fuel tank 1, and oil return receiving magazine 3 and main fuel tank 1 are gone here and there respectively
It is unified into a loop, or individually some function fuel tank is carried out removal of impurity filtration, improve steam turbine adjusting oil oil, improve and adjust
Joint performance.
As preferred scheme, described filter include series connection grade one filter 11 and secondary filter 12, described one
The filtering accuracy of level filter 11 is 5 μm, and the filtering accuracy of secondary filter 12 is 1 μm, comprises in the filter element 4 of the present invention
The two poles of the earth filter, and filtering accuracy is incremented by successively, advantageously ensures that particle filtering effect, it is ensured that the cleaning of the power oil after filtration
Degree.
Further, described grade one filter 11 and secondary filter 12 are provided with bypass valve 13 and visually/telecommunication
Number differential pressure transmitter device 14, it is simple to staff's Real Time Observation monitors the duty of each filter, it is ensured that emergency oil stand-by provision
Job stability and safety.
As preferably, also include that overflow valve 15, described overflow valve 15 are connected in parallel with oil pump 8.During system worked well,
Overflow valve 15 is closed, and opens overflow when load exceedes the limit of regulation, carries out overload protection, make system pressure not
It is further added by, it is ensured that the safety of emergency oil stand-by provision.
As in figure 2 it is shown, described adjusting means is fixed on a support 16, described filter element 4 is arranged on support 16
Bottom, reserve fuel tank 2, oil return receiving magazine 3 are arranged on the top of support 16.Described reserve fuel tank 2, oil return receiving magazine 3 are with main
There is between fuel tank 1 certain difference in height, when needs from reserve fuel tank 2, oil return receiving magazine 3 to main fuel tank 1 repairing time, at gravity
Effect under can flow automatically repairing, practical.
Liquidometer 25, manhole top cover, respiratory organ, import assembly, outlet it is provided with on reserve fuel tank 2, oil return receiving magazine 3
Assembly, sampling assemble and blowdown assembly, meet and observe liquid level and sampling, blowdown, the entering smoothly of input/output power oil
OK.
Embodiment 2.
The present embodiment provides the application process of a kind of Steam Turhine Adjustment device, comprises the following steps:
Main fuel tank 1 on-line filtration: be separately turned on the 5th valve the 21, the 6th valve the 22, the 7th valve the 23, the 8th valve 24,
Other valve is turned off, and opens filter element 4 and works so that the power oil in main fuel tank 1 circulates through the filtration of filter element 4
After flow back to main fuel tank 1, complete to main fuel tank 1 medium power oil on-line filtration；
Reserve fuel tank 2 on-line filtration: be separately turned on first valve the 17, second valve the 18, the 5th valve the 21, the 6th valve
22, other valve is turned off, and opens filter element 4 and works so that the power oil in reserve fuel tank 2 circulates through filter element 4
Filtration after flow back to reserve fuel tank 2, complete to reserve fuel tank 2 medium power oil on-line filtration；
Reserve fuel tank 2 supplements power oil to main fuel tank 1, can be realized by any one mode following:
A, dependence flow by gravity repairing: opening the second valve the 18, the 8th valve 24, other valve is turned off, reserve fuel tank 2
In power oil under gravity from flowing to main fuel tank 1；
Repairing after b, filtration: be separately turned on the second valve the 18, the 5th valve the 21, the 6th valve the 22, the 7th valve 23, other
Valve is turned off, and opens filter element 4 and works so that the power oil in reserve fuel tank 2 flows into after the filtration of filter element 4
Main fuel tank 1；
Main fuel tank 1 moves back oil to oil return receiving magazine 3: be separately turned on the 8th valve 24, the 5th valve 21, the 6th valve 22,
Three valves 19, other valve is turned off, and opens filter element 4 and works, by main fuel tank 1 under the dynamic action of filter element 4
Power oil be delivered to oil return receiving magazine 3；
Oil return receiving magazine 3 is to main fuel tank 1 oil-feed: be separately turned on the 4th valve 20, the 5th valve 21, the 6th valve 22,
Seven valves 23, other valve is turned off, and opens filter element 4 and works so that the power oil in oil return receiving magazine 3 is single through filtering
Main fuel tank 1 is flowed into after the filtration of unit 4；
Oil return receiving magazine 3 is the most standby with reserve fuel tank 2: be separately turned on the 4th valve the 20, the 5th valve the 21, the 6th valve
22, the first valve 17, other valve is turned off, and opens filter element 4 and works so that the power oil in oil return receiving magazine 3 passes through
Reserve fuel tank 2 is flowed into after the filtration of filter element 4；
System initial prime, including to main fuel tank 1 initial prime with to reserve fuel tank 2 initial prime:
To main fuel tank 1 initial prime: be separately turned on the tenth valve the 7, the 5th valve the 21, the 6th valve the 22, the 7th valve 23,
Other valve is turned off, and is filled with main fuel tank 1 by power oil from outside after filter element 4 filters；
To reserve fuel tank 2 initial prime: be separately turned on the tenth valve the 7, the 5th valve the 21, the 6th valve the 22, first valve
17, other valve is turned off, and is filled with reserve fuel tank 2 by power oil from outside after filter element 4 filters.
In actual applications, can determine the operating procedure needed for selection according to on-site actual situations, the application present invention's should
Anxious oil stand-by provision and application process, effectively increase the unit interval interior repairing amount to stop valve regulation oil and shorten repairing
Time, improve the security reliability that substantial equipment scene is run.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. a Steam Turhine Adjustment device, is connected with the main fuel tank of steam turbine adjusting oil system, it is characterised in that described regulation dress
Putting reserve fuel tank, oil return receiving magazine and the filter element including being connected in parallel, the outlet of described filter element is respectively with standby
The import of fuel tank, oil return receiving magazine and main fuel tank connects, reserve fuel tank, oil return receiving magazine and main fuel tank outlet respectively
Being connected with the import of filter element, the import and export of described main fuel tank, reserve fuel tank, oil return receiving magazine and filter element is respectively
Being provided with isolating valve, the two ends of described adjusting means are respectively arranged with standby punching/oil extraction interface, the standby punching/oil extraction of said two
The 9th valve, the tenth valve it is respectively arranged with on interface.
Steam Turhine Adjustment device the most according to claim 1, it is characterised in that described filter element includes by pipeline even
The filter connect and oil pump, also include motor and the electric cabinet being connected with described oil pump, described pipeline be provided with Pressure gauge.
Steam Turhine Adjustment device the most according to claim 2, it is characterised in that described filter includes the one-level mistake of series connection
Filter and secondary filter, the filtering accuracy of described grade one filter is 5 μm, and the filtering accuracy of secondary filter is 1 μm.
Steam Turhine Adjustment device the most according to claim 3, it is characterised in that described grade one filter and secondary filter
It is provided with bypass valve and visually/electric signal differential pressure transmitter device.
Steam Turhine Adjustment device the most according to claim 1, it is characterised in that described adjusting means is fixed on one
On frame, described filter element is arranged on the bottom of support, and reserve fuel tank, oil return receiving magazine are arranged on the top of support.
Steam Turhine Adjustment device the most according to claim 5, it is characterised in that the import and export of described reserve fuel tank is respectively
Being provided with the first valve, the second valve, the import and export of described oil return receiving magazine is respectively arranged with the 3rd valve, the 4th valve, institute
The import and export stating filter element is respectively arranged with the 5th valve, the 6th valve, and the import and export of described main fuel tank is respectively arranged with
7th valve, the 8th valve.
7. the application process of the Steam Turhine Adjustment device described in claim 6, it is characterised in that comprise the following steps:
Main fuel tank on-line filtration: be separately turned on the 5th valve, the 6th valve, the 7th valve, the 8th valve, other valve all closes
Close, open filter element work so that the power oil in main fuel tank flows back to main fuel tank after circulating through the filtration of filter element, complete
The on-line filtration of main fuel tank medium power oil in pairs；
Reserve fuel tank on-line filtration: be separately turned on the first valve, the second valve, the 5th valve, the 6th valve, other valve all closes
Close, open filter element work so that the power oil in reserve fuel tank flows back to standby oil after circulating through the filtration of filter element
Case, completes the on-line filtration to reserve fuel tank medium power oil；
Reserve fuel tank supplements power oil to main fuel tank, can be realized by any one mode following:
A, dependence flow by gravity repairing: opening the second valve, the 8th valve, other valve is turned off, the power in reserve fuel tank
Oil is under gravity from flowing to main fuel tank；
Repairing after b, filtration: being separately turned on the second valve, the 5th valve, the 6th valve, the 7th valve, other valve is turned off,
Unlatching filter element works so that the power oil in reserve fuel tank flows into main fuel tank after the filtration of filter element；
Main fuel tank moves back oil to oil return receiving magazine: be separately turned on the 8th valve, the 5th valve, the 6th valve, the 3rd valve, other valve
Door is turned off, and opens filter element work, under the dynamic action of filter element, the power oil in main fuel tank is delivered to oil return
Receiving magazine；
Oil return receiving magazine is to main fuel tank oil-feed: be separately turned on the 4th valve, the 5th valve, the 6th valve, the 7th valve, other valve
Door is turned off, and opens filter element work so that the power oil in oil return receiving magazine flows into main after the filtration of filter element
Fuel tank；
Oil return receiving magazine is the most standby with reserve fuel tank: be separately turned on the 4th valve, the 5th valve, the 6th valve, the first valve,
Other valve is turned off, and opens filter element work so that the power oil in oil return receiving magazine is after the filtration of filter element
Flow into oil return receiving magazine；
System initial prime, including to main fuel tank initial prime with to reserve fuel tank initial prime:
To main fuel tank initial prime: be separately turned on the tenth valve, the 5th valve, the 6th valve, the 7th valve, other valve all closes
Close, from outside, power oil is filled with main fuel tank after filter element filters；
To reserve fuel tank initial prime: be separately turned on the tenth valve, the 5th valve, the 6th valve, the first valve, other valve is equal
Close, from outside, power oil is filled with reserve fuel tank after filter element filters.
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| CN201610848684.XA CN106194289B (en) | 2016-09-23 | 2016-09-23 | A kind of Steam Turhine Adjustment device and its application process |
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| CN201610848684.XA CN106194289B (en) | 2016-09-23 | 2016-09-23 | A kind of Steam Turhine Adjustment device and its application process |
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| CN107588827A (en) * | 2017-10-20 | 2018-01-16 | 江西大唐国际抚州发电有限责任公司 | A kind of no worker monitor oil filter control device |
| WO2024012049A1 (en) * | 2022-07-15 | 2024-01-18 | 东方电气集团东方电机有限公司 | Bearing lubrication system and rotating device |
| WO2024012050A1 (en) * | 2022-07-15 | 2024-01-18 | 东方电气集团东方电机有限公司 | Bearing lubricating system operation method, rotating device and computer-readable storage medium |
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|---|---|
| CN106194289B (en) | 2017-12-26 |
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