CN101552096B - Vacuum oil-filling method for electric locomotive core-type transformer and radiator - Google Patents
Vacuum oil-filling method for electric locomotive core-type transformer and radiator Download PDFInfo
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- CN101552096B CN101552096B CN2008102301205A CN200810230120A CN101552096B CN 101552096 B CN101552096 B CN 101552096B CN 2008102301205 A CN2008102301205 A CN 2008102301205A CN 200810230120 A CN200810230120 A CN 200810230120A CN 101552096 B CN101552096 B CN 101552096B
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- radiator
- communicating pipe
- valve
- transformer
- vacuum pump
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Abstract
The invention provides a vacuum oil-filling method for an electric locomotive core-type transformer and a radiator, comprising the following steps of installing relative equipment including each valveconnected with communication pipes between the radiator and the transformer, a deoxidization device, an oil tank, an auxiliary container and a vacuum pump; wherein the radiator is higher than the aux iliary container; closing the valves between the radiator and the transformer; closing the valves between the communication pipe and the deoxidization device; opening the valves between the auxiliary container and the communication pipe; pumping out the air inside the radiator and the communication pipe by the vacuum pump; opening the valves between the communication pipe and the deoxidization device; injecting the oil inside the oil tank into the radiator and the communication pipe by the vacuum pump; pumping out the air inside the radiator and the communication pipe; closing the valves amongthe communication pipe, the deoxidization device and the auxiliary container; and opening the valves between the radiator and the transformer. The method has the advantages of easy controllability, e asy operation and no gas residue.
Description
Technical field
The present invention relates to a kind of correction oil injection method, particularly a kind of electric locomotive core-type transformer and radiator vacuum oil method.
Background technology
The all-sealed structure that the main transformer of the present electric locomotive of producing has adopted transformer to be communicated with lumen of radiator, for fear of when insulating oil is injected in radiator inside, air (oxygen, moisture etc.) is sneaked in the radiator, inject insulating oil under the state that continues vacuum.In radiator on the locomotive and the oil pipe line before the oiling, there are a large amount of air, for avoiding this part gas after oiling, also to be deposited in the inner chamber of transformer and radiator, at first to remove already present gas in preceding radiator of oiling and the pipeline, also to avoid in the oiling process, having air to enter simultaneously.
Summary of the invention
The electric locomotive core-type transformer and the radiator vacuum oil method that the purpose of this invention is to provide a kind of good control, easy to operate, no gas residue.
Electric locomotive core-type transformer of the present invention and radiator vacuum oil method is characterized in that: comprise the steps:
A, relevant device is installed, on first communicating pipe 5 between radiator 3 and the transformer 12, is connected deaerating plant 2 and fuel tank 1 by valve; On second communicating pipe 7 between radiator 3 and the transformer 12, be connected additional reservoir 9 and vacuum pump 8 by valve; The height and position of described radiator 3 should be lower than the height and position of additional reservoir 9; Above radiator 3, be connected to punching press bolt 4; On first communicating pipe 5, be connected to the second butterfly valve VV2, on second communicating pipe 7, be connected to the first butterfly valve VV1;
B, close the first above-mentioned butterfly valve VV1 and the second butterfly valve VV2, close the valve between first communicating pipe 5 and the deaerating plant 2, open additional reservoir 9 and the valve between second communicating pipe 7;
C, extract in the radiator Already in 3 and air in first communicating pipe 5 and second communicating pipe 7 by vacuum pump 8;
D, open the valve between first communicating pipe 5 and the deaerating plant 2, utilize vacuum pump 8 oil in the fuel tank 1 to be injected into radiator 3 and in first communicating pipe 5 and second communicating pipe 7 through deaerating plant 2, the air that utilizes additional reservoir 9 to extract out wherein; The punching press bolt 4 of opening radiator 3 tops is emitted the residual air in the radiator 3;
E, close between first communicating pipe 5 and the deaerating plant 2 and second communicating pipe 7 and additional reservoir 9 between valve, open the first butterfly valve VV1 and the second butterfly valve VV2, the inner chamber of radiator 3 was communicated with the inner chamber of transformer 12 through first communicating pipe 5 and second communicating pipe 7.
Electric locomotive core-type transformer of the present invention and radiator vacuum oil method, advantage with good control, easy to operate, no gas residue, the heat-sinking capability of radiator greatly improves, the main transformer temperature in the course of the work of utilizing method locomotive of the present invention is only about 60 ℃, transformer working temperature than prior art has reduced about 20 ℃, has improved the useful life of transformer greatly.
Description of drawings
Fig. 1 is the structural representation that equipment is installed among the present invention.
Embodiment
As shown in Figure 1: 3 are the radiator in the electric locomotive, and 12 for the transformer in the electric locomotive, is also referred to as main transformer.Be provided with nitrogen expansion tube 11 in transformer 12, nitrogen expansion tube 11 meets valve V2, and transformer 12 meets valve V1 and valve V6.Concrete correction oil injection method is as follows:
A, relevant device is installed, on first communicating pipe 5 between radiator 3 and the transformer 12, is connected deaerating plant 2 and fuel tank 1 with valve V4, between depassing unit 2 and fuel tank 1, be provided with valve V5 by valve V7.On second communicating pipe 7 between radiator 3 and the transformer 12, be connected additional reservoir 9 and vacuum pump 8 with valve V9, between additional reservoir 9 and vacuum pump 8, be provided with valve V10 by valve V8.
The height and position of additional reservoir 9 is higher than the height and position of radiator 3.Above additional reservoir 9, be connected to valve V3 and vacuum gauge 6, so that understand the negative pressure condition in it.
Above radiator 3, be connected to valve as punching press bolt 4.
On first communicating pipe 5, be connected to the second butterfly valve VV2, on second communicating pipe 7, be connected to the first butterfly valve VV1.
B, close the first above-mentioned butterfly valve VV1 and the second butterfly valve VV2, close valve V4 and valve V7 between first communicating pipe 5 and the deaerating plant 2, open additional reservoir 9 and valve V8 between second communicating pipe 7 and valve V9.
C, extract in the radiator Already in 3 and air in first communicating pipe 5 and second communicating pipe 7 by vacuum pump 8.
D, open valve V4 and valve V7 between first communicating pipe 5 and the deaerating plant 2, utilize vacuum pump 8 oil in the fuel tank 1 to be injected into radiator 3 and in first communicating pipe 5 and second communicating pipe 7 through deaerating plant 2, the air that utilizes additional reservoir 9 to extract out wherein; The punching press bolt 4 of opening radiator 3 tops is emitted the residual air in the radiator 3;
E, close between first communicating pipe 5 and the deaerating plant 2 and second communicating pipe 7 and additional reservoir 9 between valve V4, valve V7, valve V8 and valve V9, open the first butterfly valve VV1 and the second butterfly valve VV2, the inner chamber of radiator 3 was communicated with the inner chamber of transformer 12 through first communicating pipe 5 and second communicating pipe 7, and the oiling process finishes.Fuel tank 1, deaerating plant 2, additional reservoir 9, the vacuum pump 8 of removing above-mentioned installation get final product.
Claims (1)
1. electric locomotive core-type transformer and radiator vacuum oil method is characterized in that: comprise the steps:
A, installation relevant device, first communicating pipe (5) between radiator (3) and transformer (12) upward is connected deaerating plant (2) and fuel tank (1) by valve; Second communicating pipe (7) between radiator (3) and transformer (12) upward is connected additional reservoir (9) and vacuum pump (8) by valve; The height and position of described radiator (3) should be lower than the height and position of additional reservoir (9); Be connected to punching press bolt (4) in the top of radiator (3); On first communicating pipe (5), be connected to second butterfly valve (VV2), on second communicating pipe (7), be connected to first butterfly valve (VV1);
B, close above-mentioned first butterfly valve (VV1) and second butterfly valve (VV2), close the valve between first communicating pipe (5) and the deaerating plant (2), open additional reservoir (9) and the valve between second communicating pipe (7);
C, by vacuum pump (8) extract in the radiator (3) Already in and first communicating pipe (5) and second communicating pipe (7) interior air;
D, open the valve between first communicating pipe (5) and the deaerating plant (2), utilize vacuum pump (8) that the oil in the fuel tank (1) is injected into radiator (3) and in first communicating pipe (5) and second communicating pipe (7), utilizes additional reservoir (9) extraction air wherein through deaerating plant (2); Open the punching press bolt (4) of radiator (3) top and emit the interior residual air of radiator (3);
E, close between first communicating pipe (5) and the deaerating plant (2) and second communicating pipe (7) and additional reservoir (9) between valve, open first butterfly valve (VV1) and second butterfly valve (VV2), the inner chamber of radiator (3) was communicated with the inner chamber of transformer (12) through first communicating pipe (5) and second communicating pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102301205A CN101552096B (en) | 2008-12-25 | 2008-12-25 | Vacuum oil-filling method for electric locomotive core-type transformer and radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102301205A CN101552096B (en) | 2008-12-25 | 2008-12-25 | Vacuum oil-filling method for electric locomotive core-type transformer and radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101552096A CN101552096A (en) | 2009-10-07 |
| CN101552096B true CN101552096B (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102301205A Expired - Fee Related CN101552096B (en) | 2008-12-25 | 2008-12-25 | Vacuum oil-filling method for electric locomotive core-type transformer and radiator |
Country Status (1)
| Country | Link |
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| CN (1) | CN101552096B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944420A (en) * | 2010-09-14 | 2011-01-12 | 保定天威集团有限公司 | Transformer integral vacuum oiling device and method |
| CN102034591B (en) * | 2010-10-29 | 2012-11-28 | 山东鲁能泰山电力设备有限公司 | Device and method for injecting oil into transformer under vacuum condition |
| CN102360756B (en) * | 2011-09-19 | 2013-03-06 | 南车戚墅堰机车有限公司 | Vacuum drying oiling method for main transformer of electric locomotive |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1828792A (en) * | 2006-03-31 | 2006-09-06 | 江苏精科互感器有限公司 | Vacuum treatment transformer oil and mutual inductor pressure immersion oil system |
| CN101285868A (en) * | 2008-06-11 | 2008-10-15 | 重庆大学 | Differential pressure type multifunctional vacuum oil immersion equipment |
-
2008
- 2008-12-25 CN CN2008102301205A patent/CN101552096B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1828792A (en) * | 2006-03-31 | 2006-09-06 | 江苏精科互感器有限公司 | Vacuum treatment transformer oil and mutual inductor pressure immersion oil system |
| CN101285868A (en) * | 2008-06-11 | 2008-10-15 | 重庆大学 | Differential pressure type multifunctional vacuum oil immersion equipment |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2005-197461A 2005.07.21 |
| JP特开2007-136719A 2007.06.07 |
| JP特开2007-145384A 2007.06.14 |
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| CN101552096A (en) | 2009-10-07 |
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Granted publication date: 20110406 Termination date: 20211225 |