CN210091878U - Online vacuum oiling device for oil conservator - Google Patents
Online vacuum oiling device for oil conservator Download PDFInfo
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- CN210091878U CN210091878U CN201921168089.7U CN201921168089U CN210091878U CN 210091878 U CN210091878 U CN 210091878U CN 201921168089 U CN201921168089 U CN 201921168089U CN 210091878 U CN210091878 U CN 210091878U
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- oil
- vacuum
- pipeline
- cylinder
- conservator
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- 238000002347 injection Methods 0.000 claims abstract description 40
- 239000007924 injection Substances 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims description 16
- 238000005086 pumping Methods 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 abstract description 13
- 230000009471 action Effects 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 6
- 230000002688 persistence Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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Abstract
The utility model discloses an online vacuum oiling device of conservator relates to oil-immersed transformer or reactor vacuum oiling device field. When oil immersed transformer or reactor slightly leaked oil during heavy load, it was comparatively difficult to apply for the power failure, and the oil stream was fast for the device all adopted the equipment to have a power failure after the oil filtration mode was annotated to the vacuum, if carry out online vacuum and annotate the oil filtration, the whole vacuum of transformer or reactor broke easily to the oil velocity of flow can lead to heavy gas action too fast. The device comprises a vacuum cylinder, a pure oil cylinder, an oil storage pipeline, a vacuumizing pipeline, an oil injection pipeline, an oil return pipeline and a three-way valve. The problem of the online vacuum oil injection oil filter of not having a power failure is solved, avoid infusing air to the conservator, avoid causing the risk to the whole vacuum destruction in oil return circuit, effectively solve the mild oil leak of persistence and cause the light gas action risk that the oil level crossed the low and lead to.
Description
Technical Field
The utility model relates to a vacuum oiling device field of oil-immersed transformer or reactor especially relates to online vacuum oiling device of conservator.
Background
At present, oil leakage and oil seepage phenomena of an oil immersed transformer or a reactor in operation are common, when equipment leaks oil slightly during a heavy load period, power failure of an application system is difficult, and defective equipment needs to be monitored and operated. The oil immersed transformer or reactor has the continuity oil leak in the body certain part, leads to the conservator in the oil level to hang down excessively, if meet winter low temperature or the abrupt change condition of temperature, the body oil level descends rapidly and arouses light gas relay action, has the risk of accident power failure.
The existing device adopts a method of injecting and filtering oil in vacuum after power failure of equipment, and the device has the disadvantages of high oil flow rate, large volume and inconvenient operation. If the existing equipment is adopted for online vacuum oil injection and filtration, the following problems exist: firstly, the risk of heavy gas action caused by too fast oil flow speed; and secondly, the risk of vacuum damage of the whole transformer or reactor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model and the technical task who provides are perfect and improve prior art scheme, provide the online vacuum oiling device of conservator to when the online vacuum oiling that does not have a power failure, avoid causing the risk to the whole vacuum destruction of transformer or reactor. The purpose is to provide a method for manufacturing the composite material. Therefore, the utility model adopts the following technical scheme.
The online vacuum oil injection device for the oil conservator comprises a vacuum cylinder, a pure oil cylinder, an oil storage pipeline, a vacuumizing pipeline, an oil injection pipeline, an oil return pipeline and a three-way valve; the vacuumizing pipeline is connected with a vacuumizing interface of the vacuum cylinder, and a vacuumizing electromagnetic valve and a vacuum pump are arranged on the vacuumizing pipeline; the oil outlet of the vacuum cylinder is connected with the oil inlet of the pure oil cylinder; an oil flow outlet of the oil injection pipeline is detachably connected with the three-way valve, and an oil flow inlet of the oil injection pipeline is connected with an oil outlet of the pure oil cylinder; one end of the oil return pipeline is connected with an oil storage inlet of the vacuum cylinder, the other end of the oil return pipeline is detachably connected with the three-way valve, an oil return electromagnetic valve and a heater are arranged on the oil return pipeline, and the heater is adjacent to the oil storage inlet of the vacuum cylinder; one end of the oil storage pipeline is detachably connected with an oil outlet of the oil tank, and the other end of the oil storage pipeline is connected between an oil return electromagnetic valve of the oil return pipeline and the heater; the conservator is provided with an oil filling port valve and an oil filling port electromagnetic valve, and the three-way valve is detachably connected with the oil filling port electromagnetic valve. Before oil is injected into the oil conservator, under the drive of a vacuum pump, the oil in the oil injection pipeline can be effectively circulated to remove air through the oil return pipeline, and the oil entering the oil injection pipeline is protected by the double cylinders of the vacuum cylinder and the pure oil cylinder, so that no air exists, the air is prevented from being injected into the oil conservator when the online vacuum oil injection is carried out without power failure, and the risk of light gas action caused by over-low oil level due to continuous slight oil leakage can be effectively solved; the pure oil cylinder is used for storing oil.
As a preferable technical means: the oil injection pipeline is provided with an oil discharge pump, a pressure gauge, a pressure switch, a fine filter, a temperature sensor, a flow meter and an oil injection battery valve. The functions of power, monitoring and control of the oil injection pipeline are realized, and the fine filtering of the oil is realized.
As a preferable technical means: and an oil storage electromagnetic valve and a primary filter are arranged on the oil storage pipeline. Realize the on-off control of the oil storage pipeline and the primary filtration of the oil.
As a preferable technical means: the vacuum cylinder is provided with a first liquid level sensor and a second liquid level sensor. The monitoring of the lower limit and the upper limit of the liquid level can be effectively realized, so that the oil injection and filtration control is realized.
As a preferable technical means: and the pure oil cylinder is provided with a third liquid level sensor. The oil cylinder can effectively monitor and ensure that the pure oil cylinder is completely filled with oil.
As a preferable technical means: the vacuum cylinder is provided with a vacuum gauge. The vacuum condition in the pipeline and the vacuum tank can be effectively known so as to judge whether air is still reserved in the loop.
As a preferable technical means: the oil injection pipeline and the oil return pipeline are connected with the three-way valve through quick interfaces, and the oil storage pipeline is connected with an oil outlet of the oil tank through a quick interface. The quick opening is convenient to connect and detach and quick to operate.
As a preferable technical means: the oil injection pipeline and the oil return pipeline respectively comprise 1 soft oil pipe, the two ends of each soft oil pipe are respectively provided with a fast connector, and the soft oil pipes are connected with the three-way valve through the fast connectors. The three-way valve is connected through the hose, so that the operation is convenient, and the pipeline is not easy to damage due to external impact.
As a preferable technical means: the three-way valve is a visual three-way valve. The visual three-way valve is convenient to monitor and judge.
Has the advantages that:
1. through the visual three-way valve and the soft oil pipe with the quick connector, the connection between the oil filling device and the oil filling port of the oil conservator is conveniently realized, the operation is simple, and the reliability is high.
2. The filtering of air in the pipeline has conveniently been realized, has solved the online vacuum of not having a power failure and has annotated the oil strain problem, avoids infusing air into the conservator, avoids causing the risk to the whole vacuum destruction in oil return circuit including transformer or reactor, and integrative automatic mode easily controls the oil stream, can effectively solve the mild oil leak of persistence and cause the risk that the oil level crosses the light gas action that leads to excessively.
3. Through the double-cylinder protection with the liquid level sensor, the oil pump is prevented from idling without oil.
4. The oiling and air filtering integrated automatic control can effectively ensure the oiling condition judgment accuracy and the oiling stability.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
In the figure: 1-an oil storage pipeline; 2-vacuum pumping pipeline; 3-oil return pipeline; 4-an oil injection pipeline; 5-three-way valve; 6-conservator; 7-oil filling port valve; 8-oil filling port electromagnetic valve; 9-vacuum cylinder; 10-pure oil cylinder; 11-oil storage solenoid valve; 12-vacuum pumping electromagnetic valve; 13-oil return solenoid valve; 14-oil filled battery valve; 15-a primary filter; 16-a vacuum pump; 17-an oil discharge pump; 18-pressure gauge; 19-a pressure switch; 20-fine filter; 21-a temperature sensor; 22-a flow meter; 23-a vacuum gauge; 24-a first level sensor; 25-a second liquid level sensor; 26-a third level sensor; 27-fast interface; 28-a heater; 29-sewage draining outlet.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1, the online vacuum oil injection device for the conservator comprises a vacuum cylinder 9, a pure oil cylinder 10, an oil storage pipeline 1, a vacuumizing pipeline 2, an oil injection pipeline 4, an oil return pipeline 3 and a three-way valve 5; the vacuumizing pipeline 2 is connected with a vacuumizing interface of the vacuum cylinder 9, and a vacuumizing electromagnetic valve 12 and a vacuum pump 16 are arranged on the vacuumizing pipeline 2; the oil outlet of the vacuum cylinder 9 is connected with the oil inlet of the pure oil cylinder 10; an oil flow outlet of the oil injection pipeline 4 is detachably connected with the three-way valve 5, and an oil flow inlet of the oil injection pipeline 4 is connected with an oil outlet of the pure oil cylinder 10; one end of the oil return pipeline 3 is connected with an oil storage inlet of the vacuum cylinder 9, the other end of the oil return pipeline is detachably connected with the three-way valve 5, an oil return electromagnetic valve 13 and a heater 28 are arranged on the oil return pipeline 3, and the heater 28 is adjacent to the oil storage inlet of the vacuum cylinder 9; one end of the oil storage pipeline 1 is detachably connected with an oil outlet of the oil tank, and the other end of the oil storage pipeline is connected between an oil return electromagnetic valve 13 of the oil return pipeline 3 and a heater 28; the oil conservator 6 is provided with an oil filling port valve 7 and an oil filling port electromagnetic valve 8, and the three-way valve 5 is detachably connected with the oil filling port electromagnetic valve 8.
In order to realize the power, monitoring and control of the oil filling pipeline 4, an oil discharge pump 17, a pressure gauge 18, a pressure switch 19, a fine filter 20, a temperature sensor 21, a flow meter 22 and an oil filling battery valve 14 are arranged on the oil filling pipeline 4. The functions of power, monitoring and control of the oil injection pipeline 4 are realized, and the fine filtration of oil is realized.
In order to realize the on-off control of the oil storage pipeline 1 and the primary filtering of the oil, an oil storage electromagnetic valve 11 and a primary filter 15 are arranged on the oil storage pipeline 1. The on-off control of the oil storage pipeline 1 and the primary filtration of oil are realized.
In order to enable monitoring of the lower and upper limits of the liquid level, the vacuum cylinder 9 is provided with a first liquid level sensor 24 and a second liquid level sensor 25. The monitoring of the lower limit and the upper limit of the liquid level can be effectively realized, and the oil storage is ensured so as to realize the oil injection and filtration control.
To monitor and ensure that the cylinder 10 is filled with oil, the cylinder 10 is provided with a third level sensor 26. The oil cylinder 10 can be effectively monitored and ensured to be fully filled with oil.
In order to enable monitoring of the vacuum conditions in the lines and in the vacuum tank, the vacuum cylinder 9 is provided with a vacuum gauge 23. The vacuum condition in the pipeline and the vacuum tank can be effectively monitored so as to judge the vacuum degree and realize the vacuum pumping control.
In order to realize quick connection, the oil filling pipeline 4 and the oil return pipeline 3 are connected with the three-way valve 5 through a quick connector 27, and the oil storage pipeline 1 is connected with an oil outlet of an oil tank through the quick connector 27. The quick opening is convenient to connect and detach and quick to operate.
In order to promote the security, annotate oil pipe way 4 and return oil pipe way 3 and all include 1 soft oil pipe, and soft oil pipe's both ends all are equipped with fast interface 27, and soft oil pipe passes through fast interface 27 and is connected with three-way valve 5. Through hose connection three-way valve 5, convenient operation to be difficult to make the pipeline damage because of receiving external force striking, promote the security.
For monitoring and judgment, the three-way valve 5 is a visible three-way valve. The visual three-way valve is convenient to monitor and judge.
The use method of the online vacuum oil injection device for the oil conservator comprises the following steps:
1) connecting the pipelines: the three-way valve 5 is connected with an oil filling port electromagnetic valve 8 of an oil conservator 6, the oil filling pipeline 4 and the oil return pipeline 3 are connected with the three-way valve 5, and the oil storage pipeline 1 is connected with an oil tank;
2) exhausting air from the pipeline: opening an oil injection battery valve 14, an oil return electromagnetic valve 13, an oil storage electromagnetic valve 11 and a vacuumizing electromagnetic valve 12, starting a vacuum pump 16, sucking oil into a vacuum cylinder 9 and a pure oil cylinder 10 from an oil tank through pipelines at the moment, starting an oil discharge pump 17 after the liquid level exceeds a first liquid level sensor 24, returning the oil to the vacuum cylinder 9 through an oil injection pipeline 4 and an oil return pipeline 3, taking air in the pipelines into the vacuum cylinder 9 at the moment, allowing the oil to fall into the pure oil cylinder 10, and sucking the air out by the vacuum pump 16; after circulating for several times, the air in the pipeline is completely emptied, the heater 28 is started, and when the temperature sensor 21 reaches a set value, the oil return electromagnetic valve 13, the oil filling battery valve 14, the oil storage electromagnetic valve 11 and the oil discharge pump 17 are closed, and the vacuum pump 16 and the vacuumizing electromagnetic valve 12 are still in operation;
3) and (3) oiling the conservator 6: opening the oil filling port valve 7, opening the oil filling battery valve 14, the oil storage solenoid valve 11 and the oil filling port solenoid valve 8, starting the oil discharge pump 17 after the oil in the vacuum cylinder 9 exceeds the first liquid level sensor 24, allowing the oil to enter the oil conservator 6 through the oil filling pipeline 4, closing the oil filling port solenoid valve 8 when the temperature sensor 21 reaches a set lower limit value, and turning the process to the step 2;
4) after oil injection is finished, oil is collected to the pipeline: stopping the machine after oil injection is finished, stopping all valves and motors from working, closing the oil filling port valve 7 of the oil conservator 6, disconnecting the quick connector 27 of the oil storage pipeline 1, opening the oil injection battery valve 14, the oil return electromagnetic valve 13, the oil storage electromagnetic valve 11 and the vacuumizing electromagnetic valve 12, and starting the vacuum pump 16, wherein oil in the oil storage pipeline 1, the oil injection pipeline 4 and the oil return pipeline 3 is sucked into the vacuum cylinder 9 and the pure oil cylinder 10, stopping the machine after the pipelines are oilless, stopping all valves and motors from working, and disconnecting the three-way valve 5 and all the quick connectors 27.
A drain 29 is provided at the bottom of the vacuum cylinder 9 and the pure oil cylinder 10, and dirty oil accumulated at the bottom of the cylinders can be drained through the drain 29.
Before injecting oil into the conservator 6, under the drive of the vacuum pump 16, the oil in the oil injection pipeline 4 can be effectively circulated to remove air through the oil return pipeline 3, and through the double-cylinder protection of the vacuum cylinder 9 and the pure oil cylinder 10, the oil entering the oil injection pipeline 4 is ensured to be free of air, so that when the online vacuum oil injection is carried out without power failure, the air is prevented from being injected into the conservator 6, the risk of damaging the integral vacuum of an oil loop including a transformer or a reactor is avoided, the oil pump is prevented from idling without oil, and the risk of light gas action caused by the over-low oil level due to the continuous light oil leakage is avoided.
The online vacuum oiling device of conservator shown in fig. 1 is a specific embodiment of the present invention, which embodies the substantial features and progress of the present invention, and can modify the same in terms of shape, structure, etc. according to the actual use requirement, all within the protection scope of the present solution.
Claims (9)
1. On-line vacuum oiling device of conservator, its characterized in that: comprises a vacuum cylinder (9), a pure oil cylinder (10), an oil storage pipeline (1), a vacuum pumping pipeline (2), an oil injection pipeline (4), an oil return pipeline (3) and a three-way valve (5); the vacuum pumping pipeline (2) is connected with a vacuum pumping interface of the vacuum cylinder (9), and a vacuum pumping electromagnetic valve (12) and a vacuum pump (16) are arranged on the vacuum pumping pipeline (2); the oil outlet of the vacuum cylinder (9) is connected with the oil inlet of the pure oil cylinder (10); an oil flow outlet of the oil injection pipeline (4) is detachably connected with a three-way valve (5), and an oil flow inlet of the oil injection pipeline (4) is connected with an oil outlet of a pure oil cylinder (10); one end of the oil return pipeline (3) is connected with an oil storage inlet of the vacuum cylinder (9), the other end of the oil return pipeline is detachably connected with the three-way valve (5), an oil return electromagnetic valve (13) and a heater (28) are arranged on the oil return pipeline (3), and the heater (28) is adjacent to the oil storage inlet of the vacuum cylinder (9); one end of the oil storage pipeline (1) is detachably connected with an oil outlet of the oil tank, and the other end of the oil storage pipeline is connected between an oil return electromagnetic valve (13) of the oil return pipeline (3) and a heater (28); the conservator (6) is provided with an oil filling port valve (7) and an oil filling port electromagnetic valve (8), and the three-way valve (5) is detachably connected with the oil filling port electromagnetic valve (8).
2. The online vacuum oiling device for the conservator according to claim 1, wherein: and the oil injection pipeline (4) is provided with an oil discharge pump (17), a pressure gauge (18), a pressure switch (19), a fine filter (20), a temperature sensor (21), a flowmeter (22) and an oil injection battery valve (14).
3. The online vacuum oiling device for the conservator according to claim 1, wherein: the oil storage pipeline (1) is provided with an oil storage electromagnetic valve (11) and a primary filter (15).
4. The online vacuum oiling device for the conservator according to claim 1, wherein: the vacuum cylinder (9) is provided with a first liquid level sensor (24) and a second liquid level sensor (25).
5. The online vacuum oiling device for the conservator according to claim 1, wherein: the pure oil cylinder (10) is provided with a third liquid level sensor (26).
6. The online vacuum oiling device for the conservator according to claim 1, wherein: the vacuum cylinder (9) is provided with a vacuum gauge (23).
7. The online vacuum oiling device for the conservator according to claim 1, wherein: the oil injection pipeline (4), the oil return pipeline (3) and the three-way valve (5) are connected through a fast interface (27), and the oil storage pipeline (1) and an oil outlet of the oil tank are connected through the fast interface (27).
8. The online vacuum oiling device for the conservator according to claim 7, wherein: the oil injection pipeline (4) and the oil return pipeline (3) respectively comprise 1 soft oil pipe, the two ends of each soft oil pipe are respectively provided with a fast connector (27), and the soft oil pipes are connected with the three-way valve (5) through the fast connectors (27).
9. The online vacuum oiling device for the conservator according to claim 1, wherein: the three-way valve (5) is a visual three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168089.7U CN210091878U (en) | 2019-07-24 | 2019-07-24 | Online vacuum oiling device for oil conservator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168089.7U CN210091878U (en) | 2019-07-24 | 2019-07-24 | Online vacuum oiling device for oil conservator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210091878U true CN210091878U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921168089.7U Expired - Fee Related CN210091878U (en) | 2019-07-24 | 2019-07-24 | Online vacuum oiling device for oil conservator |
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| Country | Link |
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| CN (1) | CN210091878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415930A (en) * | 2019-07-24 | 2019-11-05 | 国网浙江省电力有限公司检修分公司 | The online vacuum oiling device of conservator and its application method |
-
2019
- 2019-07-24 CN CN201921168089.7U patent/CN210091878U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415930A (en) * | 2019-07-24 | 2019-11-05 | 国网浙江省电力有限公司检修分公司 | The online vacuum oiling device of conservator and its application method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 Termination date: 20200724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |