CN104841676A - Steam turbine lubricating oil switching washing system and method - Google Patents
Steam turbine lubricating oil switching washing system and method Download PDFInfo
- Publication number
- CN104841676A CN104841676A CN201510261953.8A CN201510261953A CN104841676A CN 104841676 A CN104841676 A CN 104841676A CN 201510261953 A CN201510261953 A CN 201510261953A CN 104841676 A CN104841676 A CN 104841676A
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- oil
- main line
- plug
- pipeline
- washing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/04—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces using cleaning devices introduced into and moved along the pipes
- B08B2209/053—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces using cleaning devices introduced into and moved along the pipes being moved along the pipes by a fluid, e.g. by fluid pressure or by suction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a steam turbine lubricating oil switching washing system and method. The steam turbine lubricating oil switching washing system comprises a bearing block, an oil washing device, an oil conveying pipeline communicated with the oil washing device, and an adjustable plug which is fixed at the end of the oil conveying pipeline and used for adjusting the lubricating oil flow in the pipeline, wherein the oil conveying pipeline includes an oil inlet main pipeline and an oil return main pipeline, the oil inlet of the oil inlet main pipeline is connected with the oil outlet of the oil washing device, the oil outlet of the oil return main pipeline is connected with the oil inlet of the oil washing device, the oil inlet of the bearing block is communicated with the oil inlet main pipeline through an oil inlet pipe, and the oil outlet of the bearing block is communicated with the oil return main pipeline through an oil return pipe. The steam turbine lubricating oil switching washing system has the advantages subsection washing is performed on the oil inlet pipe and the bearing block through the double-layer oil conveying pipeline, the lubricating oil can be cleaned during pipeline cleaning the bearing bush in the bearing block needs not to be demounted, convenience in washing is achieved, and washing lubricating time is saved.
Description
Technical field
The present invention relates to turbo-engine lube douching technique field, be specifically related to a kind of turbo-engine lube and switch rinse-system and purging method thereof.
Background technology
Steam turbine is the nucleus equipment in thermal power plant, and the effect of turbine oil system is mainly lubricated for the radial journal bearing of Turbo-generator Set, thrust bearing and barring gear provide and takes away fricative heat, ensures unit safety reliability service.The formations such as the main oil pump that lubricating oil system drives primarily of turbine spindle, oil cooler, shaft-raising gear, barring gear, main fuel tank, fuel tank pipeline and annex, grease pump, emergency bearing oil pump, oil-system pipelines.In order to ensure the cleannes of oil system, need to carry out circulation flushing to whole oil system.Oil just can carry out washing pipe and steam turbine red switch after reaching NAS seven grades.Therefore oil circulation is as the indispensable operation of body installation, and the time of circulation and the quality of quality directly affect the reliability of installation period and unit operation.Traditional oil flushing device is when rinsing bearing, bearing shell removal in bearing block need be carried out lubrication to bearing again to rinse, flushing completes installs bearing shell again, avoid because oil product impurity is more and block filter screen, affect operation and the service life of bearing, this system causes rinses trouble, affects flush efficiency.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of turbo-engine lube and switches rinse-system and purging method thereof, the oil of lubricating oil can be improved, carry out bearing flushing without the need to the screen pack dismantled in bearing, improve bearing flush efficiency, avoid oil product kind contain impurity and affect the service life of bearing simultaneously.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of turbo-engine lube switches rinse-system, comprise bearing block, device for washing oil, the pipeline road be connected with device for washing oil, and be fixed on pipeline road end for regulating the adjustable plug of flow of lubrication in pipeline, described pipeline road comprises oil-feed main line and coaxial sleeve and is located at oil return main line in oil-feed main line, the described oil-in of oil-feed main line is connected with the oil-out of device for washing oil, the oil-out of oil return main line is connected with the oil-in of device for washing oil, the oil-in of described bearing block is connected with oil-feed main line by oil inlet pipe, the oil-out of bearing block is connected with oil return main line by oil return pipe.
Be provided with in described oil inlet pipe for stoping lubricating oil to enter rubber expansion plug in bearing block.
Described adjustable plug comprises and is fixed on oil return main line oil-in place and forms the outer plug of confined space with oil return main line, and be fixed on oil-feed main line oil-out place for blocking plug in this oil-out, described interior plug has the screw rod be connected with this plug, described outer plug is provided with the screw matched with screw rod, described interior plug is fixedly connected with outer plug by bolt, to be controlled opening or closing of oil-feed main line oil-out by the length in adjusting screw(rod) outside plug.
Described oil inlet pipe is provided with a filter, described filter comprises the outer cylinder body be connected with oil inlet pipe and the cartridge filter be arranged in outer cylinder body, described cartridge filter is made up of screen pack, its shape is identical with the shape of outer cylinder body, and the opening part of described outer cylinder body and cartridge filter is fixed with flange one and flange two respectively.
Described outer cylinder body and cartridge filter are coaxial setting, the both sides of described outer cylinder body have the fuel feed hole and oil outlet that are connected with oil inlet pipe, the sidewall of described cartridge filter is provided with a perforate corresponding with this fuel feed hole, and the oil inlet end of described oil inlet pipe is extended in cartridge filter by perforate.
Described device for washing oil comprises the main fuel tank be connected with pipeline road, and is arranged on the oil cooler and filter that are connected between main fuel tank and bearing block and with pipeline road.
Described oil-feed main line is at least two.
Turbo-engine lube switches a purging method for rinse-system, comprises the steps:
(A) pipeline is rinsed: the oil-in blocking the oil inlet pipe be connected with each bearing block with rubber expansion plug, open device for washing oil to clean oil-feed main line, the lubricating oil after flushing flows in device for washing oil through oil return main line and carries out filtering and cooling.
(B) step (A) is repeated until the quality of lubrication oil detection in oil-feed main line is qualified;
(C) bearing block is rinsed: when the lubricating oil detection in oil-feed main line is qualified, the rubber expansion plug of opening installation in oil inlet pipe, lubricating oil in oil-feed main line carries out cleaning lubrication by oil inlet pipe to bearing block, lubricating oil after cleaning arrives in oil return main line by oil return pipe, then sends in device for washing oil through oil return main line and carries out filtering and cooling.
In such scheme, pipe flushing in described step (A), also comprises the steps:
A (), when oil-feed main line is multichannel, by the oil-out regulating adjustable plug to open a wherein road oil-feed main line, block the oil-out of other a few road oil-feed main lines, the lubricating oil in device for washing oil rinses the pipeline that this is opened.
B the quality of the lubricating oil in () detecting step (a) pipeline, when up-to-standard, replace other pipelines by regulating adjustable plug and rinses, repeat said process, until oil-feed main line has rinsed.
The invention has the beneficial effects as follows: turbo-engine lube of the present invention switches rinse-system and purging method thereof, double-layer oil delivery pipe road is adopted to carry out sectional flushing to inflow pipeline and bearing block, while pipeline can be cleared up, cleaning is carried out to lubricating oil, without the need to removing the bearing shell in bearing block, it rinses convenient, has saved flushing lubrication time.Adopt adjustable plug to carry out inflow pipeline in the duct to rinse, can realize not stopping oil pump on-line control flow, oil-feed main line in lubricating oil system is switched in turn and rinses to ensure flushing flow rate, realize speed change, variable-flow rinses, to reach better cleaning performance, and the dismounting of plug can not pollute system.The oil inlet pipe be connected with bearing block is provided with rubber expansion plug, achieves the multiple duties such as the short circuit of bearing block fuel feed pump, open circuit, normal flushing.
Accompanying drawing explanation
Fig. 1 is system diagram of the present invention;
Fig. 2 is adjustable plug of the present invention coordinates when installing enlarged drawing with pipeline road;
Fig. 3 is the structural representation of rubber expansion plug of the present invention;
Fig. 4 is filter of the present invention coordinates when installing structural representation with oil inlet pipe;
Fig. 5 is the sectional view of A-A in Fig. 4;
Fig. 6 is filter of the present invention, rubber expansion plug coordinates structural representation when installing with oil inlet pipe;
Fig. 7 is the explosive view of filter of the present invention;
Number in the figure: 1, bearing block; 2, device for washing oil; 21, main fuel tank; 22, oil cooler; 23, filter; 3, rubber expansion plug; 31, rubber blanket; 32, left clamping plate; 33, right clamping plate; 34, bolt; 41, oil-feed main line; 42, oil return main line; 5, oil inlet pipe; 6, adjustable plug; 61, outer plug; 62, interior plug; 63, screw rod; 64, nut; 7, filter; 71, outer cylinder body; 711, fuel feed hole; 712, oil outlet; 72, cartridge filter; 721, perforate; 73, flange one; 74, flange two; 75, blind flange; 76, help to shoulder heavy thing; 8, oil return pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the turbo-engine lube of the present embodiment switches rinse-system, comprise bearing block 1, device for washing oil 2, the pipeline road be connected with device for washing oil 2, and be fixed on pipeline road end for regulating the adjustable plug 6 of flow of lubrication in pipeline, pipeline road comprises oil-feed main line 41 and coaxial sleeve and is located at oil return main line 42 in oil-feed main line 41, the oil-in of oil-feed main line 41 is connected with the oil-out of device for washing oil 2, the oil-out of oil return main line 42 is connected with the oil-in of device for washing oil 2, the oil-in of bearing block 1 is connected with oil-feed main line 41 by oil inlet pipe 5, the oil-out of bearing block 1 is connected with oil return main line 42 by oil return pipe 8.Device for washing oil 2 comprises the main fuel tank 21 be connected with pipeline road in the present embodiment, and is arranged on the oil cooler 22 and filter 23 that are connected between main fuel tank 21 and bearing block 1 and with pipeline road.In actual use, oil-feed main line 41 is generally many, because the more meeting of pipeline weakens the impulsive force that lubricating oil enters pipeline in flushing process, pipe flushing can be caused clean, so having installed adjustable plug 6 in line portals is cleaning performances in order to improve pipeline.
Conveniently controlling the break-make of this rinse-system oil inlet pipe 5, being provided with in oil inlet pipe 5 for stoping lubricating oil to enter rubber expansion plug 3 in bearing block 1.As shown in Figure 3, this rubber expansion type plug 3 by rubber blanket 31, be arranged on rubber blanket 31 both sides left clamping plate 32 and be made up of clamping plate 33, the centre of this rubber blanket 31, left clamping plate 32 and right clamping plate 33 offers the bolt 34 for being fixed.This rubber blanket 31 has certain thickness, its shape is identical with the shape of oil inlet pipe 5, its external diameter is slightly less than the caliber of oil inlet pipe 5, size and this rubber blanket 31 of left clamping plate 32 and right clamping plate 33 match, rubber blanket 31 is made to produce certain deformation of outwards expanding by seat clamping plate 32 and the inside applied pressure of right clamping plate 33, thus block the mouth of pipe of oil inlet pipe 5, prevent the lubricating oil in outside from entering.First unscrewed by bolt 34 in use, the plug 3 that expanded by rubber is fixed on rear flank in the mouth of pipe, is tightened by bolt 34, thus be fixed in the duct by instrument.During dismounting, first loose bolts 34, is then taken out.
As shown in Figure 2, adjustable plug 6 comprises and is fixed on oil return main line 42 oil-in place and forms the outer plug 61 of confined space with oil return main line 42, and be fixed on oil-feed main line 41 oil-out place for blocking plug 62 in this oil-out, interior plug 62 has the screw rod 63 be connected with this plug, on outer plug, 61 are provided with the screw matched with screw rod 63, interior plug 62 is fixedly connected with outer plug 61 by nut 64, to be controlled opening of oil-feed main line 41 oil-out by the length in adjusting screw(rod) 63 outside plug 61 or to close.Oil-feed main line 41, in flushing process, regulates adjustable plug 6 according to the actual oil pressure condition that lubricating oil enters in pipeline.Adjustment process is as follows: unscrewed by the nut 64 on screw rod 63, by screw rod 63, interior plug 62 is moved to the pipeline opening place needing to block, and itself and pipeline opening is compressed mutually, then tighten the nut 64 on screw rod 62.
As shown in Figure 4 to 7, oil inlet pipe 5 is provided with a filter 7, filter 7 comprises the outer cylinder body 71 be connected with oil inlet pipe 5 and the cartridge filter 72 be arranged in outer cylinder body 71, cartridge filter 72 is made up of screen pack, its shape is identical with the shape of outer cylinder body 71, the opening part of outer cylinder body 71 and cartridge filter 72 is fixed with flange 1 and flange 2 74 respectively, flange is provided with blind flange 75.Outer cylinder body 71 and cartridge filter 72 are coaxial setting, the both sides of outer cylinder body 71 are provided with fuel feed hole 711 for being connected with oil inlet pipe 5 and oil outlet 712, the sidewall of cartridge filter 72 is provided with a perforate 721 corresponding with this fuel feed hole 711, and the oil inlet end of oil inlet pipe 5 is extended in cartridge filter 72 by perforate 721.The conveniently dismounting of cartridge filter 72, flange 2 74 is provided with and helps to shoulder heavy thing 76.During use, blind flange 75 is installed, lubricating oil first flows in cartridge filter 72, then 1 is entered in oil inlet pipe 5 and then flows in bearing block by the oil-out 712 of outer cylinder body 71, this filter 7 can carry out ultimate filtration to the lubricating oil entered in bearing block 1, to ensure the oil product cleannes entered in bearing block 1, after using a period of time, can take out after cartridge filter 72 is cleared up it re-using.This filter 7 also can be used as backup line and uses, when using as backup line, first the rubber expansion plug 3 of the blind flange 75 be positioned on filter 7 and front side is removed, expansion plug 3 is arranged in the pipeline on rear side of filter 7, to stop lubricating oil to enter in bearing block 1 by oil inlet pipe 5, then filter 7 is connected with external pipe by flange.
The turbo-engine lube of the present embodiment switches the purging method of rinse-system, comprises the steps:
S1: pipeline is rinsed: the oil-in blocking the oil inlet pipe 5 be connected with each bearing block 1 with rubber expansion plug 3, open device for washing oil 2 pairs of oil-feed main lines 41 to clean, the lubricating oil after flushing flows in device for washing oil 2 through oil return main line 42 and carries out filtering and cooling.
When oil-feed main line 41 is multichannel, the oil-out first by regulating adjustable plug 6 to open a wherein road oil-feed main line 41, block the oil-out of other a few road oil-feed main lines 41, the lubricating oil in device for washing oil 2 rinses the pipeline that this is opened.The quality of the lubricating oil then in detecting step (a) pipeline, when up-to-standard, replace other pipelines by regulating adjustable plug 6 and rinses, repeat said process, until oil-feed main line 41 has rinsed.
S2: repeat above-mentioned steps until the quality of lubrication oil detection in oil-feed main line 41 is qualified;
S3: bearing block 1 is rinsed: when the lubricating oil detection in oil-feed main line 41 is qualified, the rubber expansion plug 3 of opening installation in oil inlet pipe 5, lubricating oil in oil-feed main line 41 carries out cleaning lubrication by oil inlet pipe 5 pairs of bearing blocks 1, lubricating oil after cleaning arrives in oil return main line 42 by oil return pipe 8, then sends in device for washing oil 2 through oil return main line 42 and carries out filtering and cooling.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (10)
1. a turbo-engine lube switches rinse-system, it is characterized in that: comprise bearing block (1), device for washing oil (2), the pipeline road be connected with device for washing oil (2), and be fixed on pipeline road end for regulating the adjustable plug (6) of flow of lubrication in pipeline, described pipeline road comprises oil-feed main line (41) and coaxial sleeve and is located at oil return main line (42) in oil-feed main line (41), the oil-in of described oil-feed main line (41) is connected with the oil-out of device for washing oil (2), the oil-out of oil return main line (42) is connected with the oil-in of device for washing oil (2), the oil-in of described bearing block (1) is connected with oil-feed main line (41) by oil inlet pipe (5), the oil-out of bearing block (1) is connected with oil return main line (42) by oil return pipe (8).
2. a kind of turbo-engine lube according to claim 1 switches rinse-system, it is characterized in that: be provided with in described oil inlet pipe (5) for stoping lubricating oil to enter rubber expansion plug (3) in bearing block (1).
3. a kind of turbo-engine lube according to claim 1 switches rinse-system, it is characterized in that: described adjustable plug (6) comprises and is fixed on oil return main line (42) oil-in place and forms the outer plug (61) of confined space with oil return main line (42), and be fixed on oil-feed main line (41) oil-out place for blocking the interior plug (62) of this oil-out, described interior plug (62) has the screw rod (63) be connected with this plug, on described outer plug, (61) are provided with the screw matched with screw rod (63), described interior plug (62) is fixedly connected with outer plug (61) by bolt (64), to be controlled opening of oil-feed main line (41) oil-out by the length in adjusting screw(rod) (63) outside plug (61) or to close.
4. a kind of turbo-engine lube according to claim 1 switches rinse-system, it is characterized in that: described oil inlet pipe (5) is provided with a filter (7), described filter (7) comprises the outer cylinder body (71) be connected with oil inlet pipe (5) and the cartridge filter (72) be arranged in outer cylinder body (71), described cartridge filter (72) is made up of screen pack, its shape is identical with the shape of outer cylinder body (71), and the opening part of described outer cylinder body (71) and cartridge filter (72) is fixed with flange one (73) and flange two (74) respectively.
5. a kind of turbo-engine lube according to claim 4 switches rinse-system, it is characterized in that: described outer cylinder body (71) is arranged for coaxial with cartridge filter (72), the both sides of described outer cylinder body (71) have the fuel feed hole (711) and oil outlet (712) that are connected with oil inlet pipe (5), the sidewall of described cartridge filter (72) is provided with a perforate (721) corresponding with this fuel feed hole (711), and the oil inlet end of described oil inlet pipe (5) is extended in cartridge filter (72) by perforate (721).
6. a kind of turbo-engine lube according to claim 1 switches rinse-system, it is characterized in that: described device for washing oil (2) comprises the main fuel tank (21) be connected with pipeline road, and be arranged on the oil cooler (22) and filter (23) that are connected between main fuel tank (21) and bearing block (1) and with pipeline road.
7. a kind of turbo-engine lube according to claim 1 switches rinse-system, it is characterized in that: described oil-feed main line (41) is at least two.
8. turbo-engine lube switches a purging method for rinse-system, it is characterized in that: comprise the steps:
(A) pipeline is rinsed: block the oil-in of the oil inlet pipe (5) be connected with each bearing block (1) with the rubber plug (3) that expands, open device for washing oil (2) to clean oil-feed main line (41), the lubricating oil after flushing flows in device for washing oil (2) through oil return main line (42) and carries out filtering and cooling.
9.(B) repeat step (A) until the quality of lubrication oil detection in oil-feed main line (41) is qualified;
(C) bearing block (1) is rinsed: when the lubricating oil detection in oil-feed main line (41) is qualified, the rubber expansion plug (3) of opening installation in oil inlet pipe, lubricating oil in oil-feed main line (41) carries out cleaning lubrication by oil inlet pipe (5) to bearing block (1), lubricating oil after cleaning arrives in oil return main line (42) by oil return pipe (8), then sends in device for washing oil (2) through oil return main line (42) and carries out filtering and cooling.
10. a kind of turbo-engine lube according to claim 8 switches the purging method of rinse-system, it is characterized in that: pipe flushing in described step (A), also comprises the steps:
A () is when oil-feed main line (41) is for multichannel, by the oil-out regulating adjustable plug (6) to open a wherein road oil-feed main line (41), block the oil-out of other a few road oil-feed main lines (41), the lubricating oil in device for washing oil (2) rinses the pipeline that this is opened;
B the quality of the lubricating oil in () detecting step (a) pipeline, when up-to-standard, replace other pipelines by regulating adjustable plug (6) and rinses, repeat said process, until oil-feed main line (41) has rinsed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261953.8A CN104841676B (en) | 2015-05-21 | 2015-05-21 | A kind of turbo-engine lube switches rinse-system and its purging method |
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| CN201510261953.8A CN104841676B (en) | 2015-05-21 | 2015-05-21 | A kind of turbo-engine lube switches rinse-system and its purging method |
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| CN104841676A true CN104841676A (en) | 2015-08-19 |
| CN104841676B CN104841676B (en) | 2017-05-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153112A (en) * | 2019-05-13 | 2019-08-23 | 中广核核电运营有限公司 | Steam turbine for nuclear power station adjusts Oil System Flushing method |
| CN110314431A (en) * | 2018-03-29 | 2019-10-11 | 上海宝冶集团有限公司 | Sandwich-type sieve flushing device and its application method for equipment lubrication system |
| CN111570431A (en) * | 2020-05-12 | 2020-08-25 | 浙江省工业设备安装集团有限公司 | Construction method for oil circulation washing tile turning-free of steam turbine unit |
| CN113941576A (en) * | 2021-09-29 | 2022-01-18 | 中广核核电运营有限公司 | Method for flushing turbine lubricating oil system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110314431A (en) * | 2018-03-29 | 2019-10-11 | 上海宝冶集团有限公司 | Sandwich-type sieve flushing device and its application method for equipment lubrication system |
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| CN111570431A (en) * | 2020-05-12 | 2020-08-25 | 浙江省工业设备安装集团有限公司 | Construction method for oil circulation washing tile turning-free of steam turbine unit |
| CN111570431B (en) * | 2020-05-12 | 2022-02-22 | 浙江省工业设备安装集团有限公司 | Construction method for oil circulation washing tile turning-free of steam turbine unit |
| CN113941576A (en) * | 2021-09-29 | 2022-01-18 | 中广核核电运营有限公司 | Method for flushing turbine lubricating oil system |
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