CN220939120U - Sealing oil purification system of generator - Google Patents
Sealing oil purification system of generator Download PDFInfo
- Publication number
- CN220939120U CN220939120U CN202322826263.5U CN202322826263U CN220939120U CN 220939120 U CN220939120 U CN 220939120U CN 202322826263 U CN202322826263 U CN 202322826263U CN 220939120 U CN220939120 U CN 220939120U
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- China
- Prior art keywords
- oil
- communicated
- pipe
- outlet
- generator
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- 238000007789 sealing Methods 0.000 title claims abstract description 24
- 238000000746 purification Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 18
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 18
- 239000001257 hydrogen Substances 0.000 abstract description 18
- 230000001502 supplementing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
And a generator sealing oil purifying system. The air side oil with dissolved air and water can be fleed to the hydrogen side oil to pollute the hydrogen side oil, and the air and water in the polluted hydrogen side oil are diffused into the generator, so that the purity of the hydrogen in the generator is reduced. The utility model comprises the following steps: the oil inlet of the separation oil tank is communicated with the oil inlet main pipe (20) through the oil inlet branch pipe (19), and the oil outlet of the separation oil tank is communicated with the oil inlet main pipe through the oil discharge pipe (22); the steam outlet of the separation oil tank is communicated with the condenser through a steam exhaust pipe (27), the outlet of the condenser is communicated with the water storage tank through a pipeline, the air outlet of the water storage tank is communicated with an air exhaust main pipe (30), and the air exhaust main pipe is communicated with at least one path of air exhaust branch pipes (17); and each path of exhaust branch pipe is provided with a vacuum pump (15). The utility model is used for purifying the sealing oil of the generator.
Description
Technical Field
The utility model relates to a generator sealing oil purification system.
Background
The sealing tile of the steam turbine adopts a double-flow ring structure and is divided into an empty side oil way and a hydrogen side oil way. The empty side is the start cycle and the hydrogen side is the closed cycle. During operation, oil channeling on the empty hydrogen side is difficult to avoid due to the influence of factors such as self-adjusting precision of a balance valve, oil pressure signals of the balance valve, and enlarged abrasion gap of a sealing tile. The air side oil with dissolved air and water can be fleed to the hydrogen side oil to pollute the hydrogen side oil, and the air and water in the polluted hydrogen side oil are diffused into the generator, so that the purity of the hydrogen in the generator is reduced. The reduction of the hydrogen purity affects the hydrogen cooling efficiency and the generator efficiency of the generator and threatens the safe operation of the generator set.
Disclosure of utility model
The utility model aims to solve the problems and provide a generator sealing oil purifying system.
The above object is achieved by the following technical scheme:
The generator sealing oil purifying system comprises a separation oil tank, a condenser and a water storage tank, wherein an oil inlet of the separation oil tank is communicated with an oil inlet main pipe through an oil inlet branch pipe, and an oil outlet of the separation oil tank is communicated to the oil inlet main pipe through an oil discharge pipe;
The steam outlet of the separation oil tank is communicated with the condenser through a steam exhaust pipe, the outlet of the condenser is communicated with the water storage tank through a pipeline, the air outlet of the water storage tank is communicated with an air exhaust main pipe, and the air exhaust main pipe is communicated with at least one path of air exhaust branch pipe;
And each exhaust branch pipe is provided with a vacuum pump.
And the oil inlet branch pipe is provided with an oil inlet manual primary door, an oil inlet manual secondary door and an oil inlet electromagnetic valve.
And the oil discharge pipe is provided with an outlet manual primary door, an outlet manual secondary door and an oil discharge pump.
And the vacuum electromagnetic valve is arranged on the exhaust main pipe of the generator sealing oil purifying system.
And the vacuum pump inlet manual door and the vacuum pump exhaust throttle are arranged on the exhaust branch pipe.
Advantageous effects
1. The utility model effectively improves the quality of the hydrogen side sealing oil, reduces the requirements on factors such as self-adjusting precision of a balance valve, oil pressure signals of the balance valve and the like, can maintain the purity of the hydrogen of the generator to be more than 98% for a long time, reduces the purification hydrogen consumption of the generator, reduces the wind friction loss of the generator and improves the operation safety and economy of the generator.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
In the figure: 1. a first accelerator supplementing valve; 2. a second accelerator supplementing valve; 3. a manual oil inlet primary door; 4. a manual secondary door for oil feeding; 5. an oil inlet electromagnetic valve; 6. an outlet manual primary door; 7. an outlet manual secondary door; 8. oil supplementing main gate; 9. a recycling door; 10. a manual door at the inlet of the water storage tank; 11. an emptying door; 12. a waste gate; 13. a vacuum solenoid valve; 14. a vacuum pump inlet manual door; 15. a vacuum pump; 16. throttle is discharged by a vacuum pump; 17. evacuating the branch pipe; 18. an empty side sealing oil pump outlet pipe; 19. an oil inlet branch pipe; 20. an oil inlet main pipe; 21. sealing the oil tank; 22. an oil drain pipe; 23. a heater; 24. separating an oil tank; 25. a recirculation pipe; 26. a discharge pump; 27. a steam exhaust pipe; 28. a condenser; 29. a water storage tank; 30. an exhaust main pipe; 31. the empty side seals the kerogen.
Detailed Description
Referring to fig. 1, the system must be operated to ensure that the hydrogen side oil pressure of the seal oil system is higher than the air side oil pressure, so that the hydrogen side oil return tank of the seal oil system is in an oil supplementing state.
The generator sealing oil purifying system comprises a separation oil tank 24, a condenser 28 and a water storage tank 29, wherein an oil inlet of the separation oil tank is communicated with an oil inlet main pipe 20 through an oil inlet branch pipe 19, and an oil outlet of the separation oil tank is communicated with the oil inlet main pipe through an oil discharge pipe 22;
The oil inlet branch pipe is provided with an oil inlet manual primary door 3, an oil inlet manual secondary door 4 and an oil inlet electromagnetic valve 5;
the oil drain pipe is provided with an outlet manual primary door 6, an outlet manual secondary door 7 and an oil drain pump 26;
The separating oil tank is also communicated with a recirculation pipe 25 which is communicated with an oil discharge pipe and is provided with a recirculation door 9;
The steam outlet of the separation oil tank is communicated with the condenser through a steam exhaust pipe 27, the outlet of the condenser is communicated with the water storage tank through a pipeline, a manual door 10 at the inlet of the water storage tank is arranged on the pipeline, the air outlet of the water storage tank is communicated with an air exhaust main pipe 30, a vacuum electromagnetic valve 13 is arranged on the air exhaust main pipe, a blow-down pipe is arranged at the top of the water storage tank, an air exhaust door 11 is arranged on the blow-down pipe, a blow-down pipe is provided with a blow-down door 12, the air exhaust main pipe is communicated with at least one air exhaust branch pipe 17, and two air exhaust branch pipes are shown in the figure;
Each of the exhaust branch pipes is provided with a vacuum pump 15.
The exhaust branch pipe is provided with a vacuum pump inlet manual door 14 and a vacuum pump exhaust throttle 16
Working principle: in normal operation, the sealing oil enters the sealing oil tank through the empty side sealing oil pump outlet pipe 18 or the empty side sealing oil header pipe 31 through the oil inlet header pipe, and circulates, and when purification is required, the sealing oil entering the oil inlet header pipe flows into the separation oil tank through the oil inlet branch pipe. The heater 23 in the separation oil tank heats the water-containing sealing oil, and the vacuum pump reduces the internal pressure of the oil tank, atomizes the water-containing sealing oil, and at the same pressure, the boiling point of the oil is lower than that of water, and the water is atomized, pumped to the condenser for condensation and then flows into the water storage tank of the vacuum pump. The dehydrated sealing oil is pumped into the sealing oil tank by an oil discharge pump through an oil discharge pipe, so that the effect of oil-water separation and purification is achieved.
Claims (5)
1. A generator sealing oil purification system is characterized in that: the device comprises a separation oil tank, a condenser and a water storage tank, wherein an oil inlet of the separation oil tank is communicated with an oil inlet main pipe through an oil inlet branch pipe, and an oil outlet of the separation oil tank is communicated to the oil inlet main pipe through an oil discharge pipe;
The steam outlet of the separation oil tank is communicated with the condenser through a steam exhaust pipe, the outlet of the condenser is communicated with the water storage tank through a pipeline, the air outlet of the water storage tank is communicated with an air exhaust main pipe, and the air exhaust main pipe is communicated with at least one path of air exhaust branch pipe;
And each exhaust branch pipe is provided with a vacuum pump.
2. The generator seal oil purification system of claim 1, wherein: the oil inlet branch pipe is provided with an oil inlet manual primary door, an oil inlet manual secondary door and an oil inlet electromagnetic valve.
3. The generator seal oil purification system of claim 2, wherein: the oil drain pipe is provided with an outlet manual primary door, an outlet manual secondary door and an oil drain pump.
4. A generator seal oil purification system as claimed in claim 3, wherein: and a vacuum electromagnetic valve is arranged on the exhaust main pipe.
5. The generator seal oil purification system of claim 4, wherein: the exhaust branch pipe is provided with a vacuum pump inlet manual door and a vacuum pump exhaust throttle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322826263.5U CN220939120U (en) | 2023-10-20 | 2023-10-20 | Sealing oil purification system of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322826263.5U CN220939120U (en) | 2023-10-20 | 2023-10-20 | Sealing oil purification system of generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220939120U true CN220939120U (en) | 2024-05-14 |
Family
ID=90978779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322826263.5U Active CN220939120U (en) | 2023-10-20 | 2023-10-20 | Sealing oil purification system of generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220939120U (en) |
-
2023
- 2023-10-20 CN CN202322826263.5U patent/CN220939120U/en active Active
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