CN112023426A - Sealing oil purification device - Google Patents
Sealing oil purification device Download PDFInfo
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- CN112023426A CN112023426A CN202010658066.5A CN202010658066A CN112023426A CN 112023426 A CN112023426 A CN 112023426A CN 202010658066 A CN202010658066 A CN 202010658066A CN 112023426 A CN112023426 A CN 112023426A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0082—Regulation; Control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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Abstract
The application discloses sealed oil purification device belongs to thermal power factory equipment technical field. This sealed oil purification device includes: a vacuum tank having a separation chamber; the oil inlet pipe and the oil outlet pipe are both connected with the vacuum oil tank, and the inner cavity of the oil inlet pipe and the inner cavity of the oil outlet pipe are both communicated with the separation cavity; the atomizing nozzle is arranged at one end of the oil inlet pipe connected with the vacuum oil tank, and the inner cavity of the oil inlet pipe is communicated with the separation cavity through the atomizing nozzle; and the vacuum separation pump is arranged in the vacuum oil tank and communicated with the separation cavity. Above-mentioned scheme can solve the problem that the operating efficiency of present generator is low excessively.
Description
Technical Field
The application belongs to the technical field of thermal power factory equipment, concretely relates to sealed oil purification device.
Background
The generator is used as important equipment of a power plant and is easy to generate heat after long-time operation. At present, a steam turbine generator of a large unit of a thermal power plant generally adopts a water-hydrogen cooling mode, namely, a stator of the generator is cooled by cooling water, a stator core and a rotor of the generator adopt hydrogen for cooling, and hydrogen belongs to flammable and explosive substances, so that how to ensure hydrogen sealing in operation becomes an important problem.
The hydrogen cooling generally requires that the hydrogen purity is more than 98%, and the sealing oil used for sealing the hydrogen inevitably carries impurities such as air, water vapor and the like, so that the hydrogen purity in the generator is reduced after long-term use. For the problem, two solutions exist at present, one is to supplement and exhaust hydrogen immediately after the purity of hydrogen is reduced, but the method needs to supplement and exhaust hydrogen frequently, so that the running efficiency of the generator is too low; the other is to repair the sealing oil system in a shutdown way, such as replacing the sealing tile, but the replacement of the sealing tile can be finished only after the shutdown is carried out for more than half a month, and the running efficiency of the generator is also too low.
Disclosure of Invention
The purpose of the embodiment of the application is to provide a sealed oil purification device, can solve the problem that the operating efficiency of present generator is low excessively.
In order to solve the technical problem, the present application is implemented as follows:
the embodiment of the application provides a sealing oil purification device, includes:
a vacuum reservoir having a separation chamber;
the oil inlet pipe and the oil outlet pipe are both connected with the vacuum oil tank, and the inner cavity of the oil inlet pipe and the inner cavity of the oil outlet pipe are both communicated with the separation cavity;
the atomizing nozzle is arranged at one end of the oil inlet pipe connected with the vacuum oil tank, and the inner cavity of the oil inlet pipe is communicated with the separation cavity through the atomizing nozzle;
and the vacuum separation pump is arranged in the vacuum oil tank and communicated with the separation cavity.
In this application embodiment, sealed oily purification device will advance the fluid that oil pipe got into through atomizer and atomize, through the separation intracavity of atomizing fluid entering vacuum oil tank, because this separation chamber keeps the vacuum state, consequently vapor and air in the fluid can with sealed oil separation to the separation chamber is taken out, thereby realizes the purification of sealed oil, sealed oil after the purification can get into the sealed oil tank of hydrogen side through an oil pipe, thereby realizes that hydrogen is sealed. Compare in the scheme that mentions in the background art, the sealed oil purification device that this application embodiment provided can the impurity in the greatly reduced sealed oil to guarantee the purity of hydrogen, consequently need not frequently mend the hydrogen of arranging, also need not frequently shut down and overhaul the sealed oil system, make the operating efficiency of generator higher.
Drawings
Fig. 1 is a schematic structural diagram of a seal oil purification apparatus disclosed in an embodiment of the present application.
Description of reference numerals:
110-a vacuum oil tank, 111-an air inlet, 112-an air inlet valve, 120-an oil inlet pipe, 121-an oil inlet electromagnetic valve, 130-an oil outlet pipe, 131-an oil outlet stop valve, 140-a cooler, 150-a filter, 160-an oil storage tank, 170-a heater, 180-a mounting seat, 190-a variable frequency liquid discharge pump, 210-a photoelectric switch, 220-an overflow valve, 230-a first liquid level meter and 240-a second liquid level meter.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The following describes in detail the apparatus for improving the hydrogen purity of the generator according to the embodiments of the present application with reference to the accompanying drawings.
As shown in fig. 1, the embodiment of the present application discloses a sealing oil purification apparatus, which includes a vacuum oil tank 110, an oil inlet pipe 120, an oil outlet pipe 130, an atomizing nozzle, a vacuum separation pump, a PLC control system, and a display.
The vacuum oil tank 110 has a separation chamber, and the vacuum oil tank 110 is a basic member of the seal oil purification apparatus, and impurities such as air and water vapor contained in the seal oil are removed in the separation chamber of the vacuum oil tank 110 to achieve the purpose of purification.
The oil inlet pipe 120 and the oil outlet pipe 130 are both connected to the vacuum oil tank 110, and specifically, the connection modes of the oil inlet pipe 120 and the vacuum oil tank 110, and the connection modes of the oil outlet pipe 130 and the vacuum oil tank 110 may be laser welding, thermal welding, electron beam welding, and the like, which is not particularly limited in the embodiment of the present application. The inner cavity of the oil inlet pipe 120 and the inner cavity of the oil outlet pipe 130 are both communicated with the separation cavity, the seal oil containing impurities enters the separation cavity of the vacuum oil tank 110 through the oil inlet pipe 120, and the seal oil is purified in the separation cavity and then discharged through the oil outlet pipe 130.
The atomizer is disposed at one end of the oil inlet tube 120 connected to the vacuum oil tank 110, and the inner cavity of the oil inlet tube 120 is communicated with the separation cavity via the atomizer. The sealing oil enters from the oil inlet pipe 120, and is sprayed into the separation cavity of the vacuum oil tank 110 through the atomizing nozzle, so that the sealing oil is scattered in the separation cavity of the vacuum oil tank 110 in a mist shape.
The vacuum separation pump is disposed in the vacuum oil tank 110, and the vacuum separation pump is communicated with the separation chamber. The vacuum oil tank 110 is vacuumized by a vacuum separation pump, when the sealing oil enters the sealing oil purification device from the oil inlet pipe 120, the sealing oil is atomized by the atomizing nozzle, the separation chamber in a vacuum state extracts impurities such as air and water vapor contained in the atomized sealing oil, and the treated sealing oil is discharged through the oil outlet pipe 130.
In the sealing oil purifying apparatus disclosed in the embodiment of the present application, when the sealing oil containing impurities enters the sealing oil purifying apparatus from the oil inlet pipe 120, the atomizing nozzle installed at one end of the oil inlet pipe 120 atomizes the sealing oil, and then the atomized sealing oil is scattered into the separation chamber of the vacuum oil tank 110, and since the vacuum separation pump is provided in the vacuum oil tank 110 and the separation chamber maintains a vacuum state, the sealing oil containing impurities is purified in the separation chamber and finally discharged from the oil outlet pipe 130.
In this application embodiment, sealed oil purification device will advance the fluid that oil pipe 120 got into through atomizer and atomize, through the separation chamber of atomizing fluid entering vacuum oil tank 110, because this separation chamber keeps vacuum state, therefore vapor and air in the fluid can with sealed oil separation to the separation chamber is taken out, thereby realizes the purification of sealed oil, sealed oil after the purification can get into the hydrogen side seal oil tank through going out oil pipe 130, thereby realizes that hydrogen is sealed. Compare in the scheme that mentions in the background art, the sealed oil purification device that this application embodiment provided can the impurity in the greatly reduced sealed oil to guarantee the purity of hydrogen, consequently need not frequently mend the hydrogen of arranging, also need not frequently shut down and overhaul the sealed oil system, make the operating efficiency of generator higher. On the other hand, the device can also reduce the hydrogen consumption in operation, reduces the safety risk and the intensity of labour in the hydrogen replacement process.
Further, the seal oil purifying apparatus disclosed in the embodiment of the present application further includes an oil reservoir 160, the oil reservoir 160 is disposed below the vacuum oil tank 110, and an inlet of the oil reservoir 160 is communicated with an outlet of the vacuum oil tank 110. The vacuum oil tank 110 is mainly used to provide a purification space for unrefined seal oil, and the oil storage tank 160 is mainly used to store seal oil purified by the vacuum oil tank 110, and if the vacuum oil tank 110 and the oil storage tank 160 are mixed, the unrefined seal oil and the purified seal oil will be mixed, which not only reduces the purification efficiency of the seal oil, but also reduces the safety of the seal oil purification apparatus during operation. Therefore, the oil reservoir 160 and the vacuum oil tank 110 are separately provided, which is advantageous in improving the overall stability of the seal oil purifying apparatus.
Alternatively, the vacuum reservoir 110 and the oil reservoir 160 may be provided as an integrated structure, which is structurally stable and easy to operate. Of course, the vacuum oil tank 110 and the oil storage tank 160 may be provided in a separate structure and may be communicated with each other through a conduit, but such a structure is not favorable for reliable operation of the entire seal oil purifying apparatus.
Optionally, the seal oil purifying apparatus disclosed in the embodiment of the present application further includes a heater 170, and the heater 170 is disposed on an outer surface of the oil reservoir 160. The sealing oil is purified in the vacuum oil tank 110 and then enters the oil storage tank 160 from the outlet of the vacuum oil tank 110, the sealing oil stored in the oil storage tank 160 is gradually cooled under the condition that the external environment temperature is low, and at the moment, the heater 170 arranged on the outer surface of the oil storage tank 160 is started to heat the sealing oil, so that the sealing oil stored in the oil storage tank 160 reaches a certain temperature, the extraction efficiency of impurities such as air and water vapor in the sealing oil can be further improved, and the operation reliability of the sealing oil purification device can be improved.
In an alternative embodiment, the number of the heaters 170 is at least two, and the arrangement of the plurality of heaters 170 for heating together is beneficial to improve the heating efficiency. Further, the heaters 170 may be spaced along the outer circumferential direction of the oil reservoir 160, and the plurality of heaters 170 may be spaced to uniformly heat the oil reservoir 160, so that the sealing oil stored in the oil reservoir 160 may be uniformly heated, thereby improving the heating effect of the heaters 170. Of course, the heaters 170 arranged on the outer surface of the oil reservoir 160 can be controlled respectively, and when the temperature of the sealing oil is not required to be raised in a short time, the heaters 170 in required number can be started according to specific requirements, so that the temperature of the sealing oil can be flexibly controlled, and the environment is protected.
Further, the sealing oil purification apparatus disclosed in the embodiment of the present application further includes a mounting seat 180 and a variable frequency drain pump 190, the mounting seat 180 is connected to the oil storage tank 160, and the connection mode may be a plurality of modes such as threaded connection and welding, which is not limited in the embodiment of the present application. The variable frequency positive displacement pump 190 is disposed on the mounting base 180, and the variable frequency positive displacement pump 190 is communicated with the inner cavity of the oil storage tank 160 through the inner cavity of the mounting base 180, and the inner cavity of the mounting base 180 is communicated with the oil outlet pipe 130. The purified sealing oil is stored in the inner cavity of the oil storage tank 160, and the sealing oil is discharged from the inner cavity of the oil storage tank 160 through the inner cavity of the mounting seat 180 to the oil outlet pipe 130 under the action of the variable frequency drain pump 190. The frequency conversion positive displacement pump 190's main effect lies in realizing the constant voltage through frequency conversion speed governing and discharging sealing oil, and then promotes the flexibility and the stability of this sealing oil purification device of sealing oil discharge.
Optionally, the sealing oil purification apparatus disclosed in the embodiment of the present application further includes a filter 150, the filter 150 is disposed on the mounting seat 180, and an inner cavity of the mounting seat 180 is communicated with the oil outlet pipe 130 through the filter 150. The purified sealing oil is discharged from the oil reservoir 160, passes through the inner cavity of the mounting seat 180, and the filter 150 disposed between the inner cavity of the mounting seat 180 and the oil outlet pipe 130 filters impurities remaining in the sealing oil, thereby further improving the purity of the sealing oil.
In an alternative embodiment, the seal oil purifying apparatus disclosed in the present application further includes an oil temperature sensor, and at least one of the vacuum oil tank 110, the oil reservoir 160, and the mounting seat 180 is provided with the oil temperature sensor. If the oil temperature sensor arranged on the vacuum oil tank 110 detects that the temperature of the oil in the vacuum oil tank 110 exceeds the limit temperature, the overtemperature signal indicator lamp of the vacuum oil tank 110 is lightened, the sealing oil purification device automatically cuts off the main power supply, and the sealing oil purification device stops running. If the oil temperature sensor arranged on the oil storage tank 160 detects that the temperature of the oil in the oil storage tank 160 exceeds the limit temperature, the overtemperature signal indicator lamp of the oil storage tank 160 flashes, the heater 170 of the sealing oil purification device stops working, and if the overtemperature signal indicator lamp flashes for a long time, the sealing oil purification device automatically cuts off the main power supply and stops running. If the oil temperature sensor arranged on the mounting seat 180 detects that the oil temperature in the inner cavity of the mounting seat 180 exceeds the limited temperature, the overtemperature signal indicator lamp of the mounting seat 180 flashes, the sealing oil purification device automatically cuts off the main power supply, and the sealing oil purification device stops running. Of course, the oil temperature sensors disposed on the vacuum oil tank 110, the oil storage tank 160 and the mounting seat 180 may also detect that the oil temperature exceeds the limit temperature, and the over-temperature signal indicator lights are simultaneously lighted, at this time, the sealing oil purifying device will automatically cut off the main power supply, and the sealing oil purifying device stops operating. Therefore, the oil temperature sensor is arranged to prevent the sealing oil from being too high in temperature, so that the sealing oil liquid is aged.
Optionally, the sealing oil purification apparatus disclosed in the embodiment of the present application further includes a cooler 140, and since the vacuum tank 110 establishes vacuum through the vacuum separation pump, thereby purifying the sealing oil containing impurities, and extracting the impurities such as air and water vapor contained in the sealing oil, when the oil temperature sensor detects that the oil temperature in the vacuum tank 110 exceeds the limit temperature, or when the temperature of the vacuum separation pump exceeds the limit temperature, the sealing oil purification apparatus can automatically start the cooler 140 to cool the vacuum separation pump, so as to ensure that the oil temperature in the purification process is always below the maximum limit temperature, and further improve the safety of the entire sealing oil purification apparatus.
Optionally, the sealing oil purification device disclosed in the embodiment of the present application further includes a pressure sensor and an overflow valve 220, the pressure sensor is used for detecting the outlet pressure of the variable frequency drain pump 190, the overflow valve 220 is disposed on the mounting seat 180, the overflow valve 220 mainly functions to protect the safety of the sealing oil purification device, and the overflow valve 220 is communicated with the inner cavity of the mounting seat 180. When the pressure sensor detects that the outlet pressure of the variable-frequency liquid discharge pump 190 exceeds a limit value, the overflow valve 220 is opened, and a part of gas and/or sealing oil in the sealing oil purification device is discharged; when the pressure sensor detects that the outlet pressure of the variable-frequency drain pump 190 exceeds the highest limit value, the sealing oil purification device stops running. Therefore, the pressure sensor is arranged to ensure the safety of the sealing oil purification device.
In an alternative embodiment, the reservoir 160 is provided with a first gauge 230 and a second gauge 240, the first gauge 230 having a height greater than the height of the second gauge 240. When the sealing oil level in the oil storage tank 160 is higher than the upper limit value of the float switch of the oil storage tank 160, the oil inlet speed can be reduced; an alarm is given when the seal oil level in the oil reservoir 160 is higher than a prescribed upper limit value; when the sealing oil level in the oil reservoir 160 is higher than the specified maximum upper limit value, the sealing oil purification device stops operating; when the sealing oil level in the oil reservoir 160 is lower than the prescribed lower limit value, the indicator lamp of the second level gauge 240 is lighted, and the sealing oil purification apparatus stops operating. Therefore, when the seal oil level in the oil reservoir 160 is between the predetermined upper limit value and the predetermined lower limit value, the seal oil purifying apparatus operates normally.
Optionally, the sealing oil purification device disclosed in the embodiment of the present application further includes a defoaming device, the defoaming device includes a photoelectric switch 210, a setting position of the photoelectric switch 210 can be flexibly set, and optionally, the photoelectric switch 210 is disposed on an outer surface of the vacuum oil tank 110, so as to facilitate operation. The vacuum oil tank 110 is provided with an air inlet 111, the air inlet 111 is provided with an air inlet valve 112, and the air inlet 111 is communicated with the separation chamber under the condition that the photoelectric switch 210 is triggered. The seal oil is atomized by the atomizer and then scattered in the separation chamber of the vacuum oil tank 110, and because a large amount of foam is generated in the seal oil in a vacuum state, when the foam exceeds a specified upper limit value, the photoelectric switch 210 is actuated, the air inlet valve 112 is opened to eliminate the foam, and the seal oil is prevented from overflowing.
In an alternative embodiment, the oil inlet pipe 120 is provided with an oil inlet solenoid valve 121, and the oil outlet pipe 130 is provided with an oil outlet stop valve 131. The oil inlet solenoid valve 121 mainly functions to control sealing oil to enter the sealing oil purification device, the oil outlet stop valve 131 mainly functions to control sealing oil to discharge the sealing oil purification device, and secondly, the safety of the sealing oil purification device can be better guaranteed by arranging the oil inlet solenoid valve 121 and the oil outlet stop valve 131.
Optionally, the sealing oil purification device disclosed in the embodiment of the present application further includes a PLC control system and a display. The PLC (programmable logic controller is a digital operation electronic system specially designed for application in industrial environment) control system mainly has the main functions of logically interlocking and switching an oil inlet electromagnetic valve to further control sealing oil to enter the sealing oil purification device, and the operation and protection logics of the device are integrated in the PLC control system and are interacted with a user through a display. Specifically, the above-mentioned sealed oil purification device also has the characteristics of compact and simple structure and arrangement, and only needs to be connected with the oil inlet pipe 120 and the oil outlet pipe 130 with other parts of the generator.
Based on above-mentioned embodiment seal oil purification device, this application embodiment still discloses a generator, and it includes hydrogen side seal oil tank and seal oil purification device, seal oil purification device be above arbitrary embodiment seal oil purification device, go out oil pipe 130 and link to each other with hydrogen side seal oil tank, and the inner chamber of both is linked together. When the sealing oil containing impurities enters the sealing oil purifying apparatus from the oil inlet pipe 120, the atomizing nozzle installed at one end of the oil inlet pipe 120 atomizes the sealing oil, and then, the atomized sealing oil is scattered into the separation chamber of the vacuum oil tank 110, and since the vacuum separation pump is provided in the vacuum oil tank 110 and the separation chamber is maintained in a vacuum state, the sealing oil containing impurities is purified in the separation chamber, and then discharged from the oil outlet pipe 130 and finally discharged into the hydrogen side sealing oil tank, so that the purified sealing oil is sealed with hydrogen.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (12)
1. A seal oil purifying apparatus, comprising:
a vacuum reservoir (110), the vacuum reservoir (110) having a separation chamber;
the oil inlet pipe (120) and the oil outlet pipe (130) are both connected with the vacuum oil tank (110), and the inner cavity of the oil inlet pipe (120) and the inner cavity of the oil outlet pipe (130) are both communicated with the separation cavity;
the atomizing nozzle is arranged at one end of the oil inlet pipe (120) connected with the vacuum oil tank (110), and the inner cavity of the oil inlet pipe (120) is communicated with the separation cavity through the atomizing nozzle;
the vacuum separation pump is arranged on the vacuum oil tank (110) and communicated with the separation cavity.
2. The seal oil purifying apparatus as claimed in claim 1, further comprising an oil reservoir (160), wherein the oil reservoir (160) is disposed below the vacuum oil tank (110), and an inlet of the oil reservoir (160) is communicated with an outlet of the vacuum oil tank (110).
3. The seal oil refining apparatus of claim 2, further comprising a heater (170), wherein the heater (170) is disposed on an outer surface of the oil reservoir (160).
4. The seal oil purifying apparatus as claimed in claim 3, wherein the number of the heaters (170) is at least two, and the heaters (170) are arranged at intervals in a circumferential direction of the oil reservoir (160).
5. The seal oil purification apparatus according to claim 2, further comprising a mounting base (180) and a variable frequency drain pump (190), wherein the mounting base (180) is connected to the oil storage tank (160), the variable frequency drain pump (190) is disposed on the mounting base (180), the variable frequency drain pump (190) is communicated with the inner cavity of the oil storage tank (160) through the inner cavity of the mounting base (180), and the inner cavity of the mounting base (180) is communicated with the oil outlet pipe (130).
6. The seal oil purifying apparatus according to claim 5, further comprising a filter (150), wherein the filter (150) is disposed on the mounting seat (180), and an inner cavity of the mounting seat (180) is communicated with the oil outlet pipe (130) through the filter (150).
7. The seal oil purifying apparatus as claimed in claim 5, further comprising an oil temperature sensor provided to at least one of the vacuum oil tank (110), the oil reservoir (160) and the mount (180).
8. The seal oil purification device according to claim 5, further comprising a pressure sensor and an overflow valve (220), wherein the pressure sensor is used for detecting the outlet pressure of the variable frequency drain pump (190), the overflow valve (220) is arranged on the mounting seat (180), and the overflow valve (220) is communicated with the inner cavity of the mounting seat (180).
9. The seal oil purification apparatus as claimed in claim 2, wherein the oil storage tank (160) is provided with a first level gauge (230) and a second level gauge (240), and a height of the first level gauge (230) is greater than a height of the second level gauge (240).
10. The seal oil purification apparatus according to claim 1, further comprising a defoaming device, wherein the defoaming device comprises a photoelectric switch (210), the vacuum oil tank (110) is provided with an air inlet (111), the air inlet (111) is provided with an air inlet valve (112), and the air inlet (111) is communicated with the separation chamber under the condition that the photoelectric switch (210) is triggered.
11. The seal oil purifying apparatus according to claim 1, wherein the oil inlet pipe (120) is provided with an oil inlet solenoid valve (121), and the oil outlet pipe (130) is provided with an oil outlet shutoff valve (131).
12. An electric generator, characterized by comprising a hydrogen-side sealed oil tank and a sealed oil purification device according to any one of claims 1 to 11, wherein the oil outlet pipe (130) is connected with the hydrogen-side sealed oil tank, and the inner cavities of the two are communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010658066.5A CN112023426A (en) | 2020-07-09 | 2020-07-09 | Sealing oil purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010658066.5A CN112023426A (en) | 2020-07-09 | 2020-07-09 | Sealing oil purification device |
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| CN112023426A true CN112023426A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010658066.5A Pending CN112023426A (en) | 2020-07-09 | 2020-07-09 | Sealing oil purification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738539A (en) * | 2021-08-31 | 2021-12-03 | 鄂尔多斯市君正能源化工有限公司热电分公司 | Hydrogen purification device of generator sealing oil system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201676562U (en) * | 2010-05-25 | 2010-12-22 | 王彦军 | Vacuum purifying device of steam turbine generator shaft sealing system |
| CN107158746A (en) * | 2017-06-16 | 2017-09-15 | 镇江市长江机电设备厂有限公司 | A kind of vacuum tank for vacuum oil purifier |
-
2020
- 2020-07-09 CN CN202010658066.5A patent/CN112023426A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201676562U (en) * | 2010-05-25 | 2010-12-22 | 王彦军 | Vacuum purifying device of steam turbine generator shaft sealing system |
| CN107158746A (en) * | 2017-06-16 | 2017-09-15 | 镇江市长江机电设备厂有限公司 | A kind of vacuum tank for vacuum oil purifier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738539A (en) * | 2021-08-31 | 2021-12-03 | 鄂尔多斯市君正能源化工有限公司热电分公司 | Hydrogen purification device of generator sealing oil system |
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Application publication date: 20201204 |
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