CN111634527A - Transformer body storage device and method for storing transformer body - Google Patents
Transformer body storage device and method for storing transformer body Download PDFInfo
- Publication number
- CN111634527A CN111634527A CN202010473203.8A CN202010473203A CN111634527A CN 111634527 A CN111634527 A CN 111634527A CN 202010473203 A CN202010473203 A CN 202010473203A CN 111634527 A CN111634527 A CN 111634527A
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- China
- Prior art keywords
- oil
- cover
- transformer body
- transformer
- storage device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/24—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means incorporating means for heating the liquid or other fluent material, e.g. electrically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
Abstract
The invention relates to a transformer body storage device and a method for storing a transformer body, which are used for storing the transformer body and comprise an oil collecting tank, an isolation cover and an oil injection loop, wherein the oil collecting tank is positioned in the isolation cover, the oil inlet end of the oil injection loop is communicated with the oil collecting tank, the transformer body is placed on the oil collecting tank when the transformer body storage device is used, and the oil injection end of the oil injection loop is positioned above the transformer body. The invention can keep the body in good insulation state, and the preservation method is simple.
Description
Technical Field
The invention relates to the field of transformer preservation, in particular to a transformer body storage device and a transformer body storage method.
Background
The transformer has long running time, some accessories need to be replaced, but original flanges are not matched, an oil tank needs to be reconstructed on site, or problems exist in the design of the original transformer, the noise of a cooling mode is large, the cooling mode needs to be reconstructed, forced oil air cooling is changed into air cooling and the like, the reconstruction cost of the transformer pulling back to a factory is large, the oil tank needs to be reconstructed on site, therefore, a transformer body is not stored with the oil tank for a period of time, how to store the transformer body to enable the transformer body to be insulated and not to be affected with damp, and the insulation resistance is not reduced, so that the problems which need to.
The transformer is repaired to return to the factory for oil tank reconstruction, if the drying furnace has no furnace period, the insulation state of the transformer body is good, the transformer body does not need to be baked again, and the problem to be solved is how to store the transformer body.
Disclosure of Invention
The present invention is directed to overcome the above-mentioned deficiencies of the prior art and to provide a transformer body storage device and a method for storing a transformer body, which are used to store the transformer body and protect the transformer body from moisture.
The purpose of the invention is realized by the following technical scheme:
a transformer body storage device is used for storing a transformer body and comprises an oil collecting groove, a shielding case and an oil injection loop, wherein the oil collecting groove is positioned in the shielding case, the oil inlet end of the oil injection loop is communicated with the oil collecting groove, the transformer body is placed on the oil collecting groove when the transformer body storage device is used, and the oil injection end of the oil injection loop is positioned above the transformer body.
The oil collecting tank is positioned inside the outer cover, the outer cover is connected with an air dryer/nitrogen cylinder, and the air dryer/nitrogen cylinder provides dry air/nitrogen between the outer cover and the inner cover; the outer layer cover is provided with a pressure relief opening.
The oil injection loop comprises a vacuum oil filter and a spray head, the spray head is positioned at the inner top of the isolation cover, the vacuum oil filter is positioned outside the isolation cover, and two ends of the vacuum oil filter are respectively communicated with the oil collecting tank and the spray head. The shower nozzle has a plurality ofly.
A thermometer, a pressure gauge and a valve are arranged between the vacuum oil filter and the spray head.
And an insulation resistance tester is arranged outside the isolation cover and used for measuring the insulation resistance of the device body.
The inner layer cover and the outer layer cover are made of rain-proof canvas.
The following provides a method for storing a transformer body, which comprises the following steps:
firstly, a transformer body is arranged, and an iron core of the transformer body and wire outlet heads at each phase side are led out of the transformer body by using insulated wires;
secondly, installing and fixing the spray head;
arranging an isolation cover, wherein an inner layer cover and an outer layer cover are arranged as the isolation cover by using rain-proof canvas, and the lower edge of the inner layer cover is placed in the oil collecting tank;
fourthly, connecting a vacuum oil filter, an air dryer/nitrogen cylinder and an insulation resistance tester;
injecting enough transformer oil into the oil collecting tank;
closing the inner cover and the outer cover tightly, opening an air dryer/nitrogen cylinder to fill dry gas/nitrogen into the outer cover, and opening a vacuum oil filter to spray the transformer oil.
Wherein, the following records are made in the process of spraying the transformer oil: recording the temperature, the humidity, the outlet oil pressure, the outlet oil temperature and the insulation resistance at regular intervals, wherein the insulation resistance comprises high-voltage-low, ground and iron core insulation resistances; low voltage-high, ground, iron core insulation resistance; iron core-high, low, ground insulation resistance; if the insulation data is continuously monitored for multiple times and is stable and has no obvious change, the monitoring interval can be widened.
The invention has the following beneficial effects: the invention discloses a transformer body storage device and a method for storing a transformer body, wherein the transformer body for storing a transformer comprises an oil collecting tank, an isolation cover and an oil injection loop. The invention can keep the body in good insulation state, and the preservation method is simple. When the oil is stored, only a certain amount of oil is needed to be kept in the oil collecting tank, and the oil consumption is low. In addition, special equipment does not need to be purchased additionally, and needed equipment, namely transformer factories, are provided, so that the cost is low.
Drawings
Fig. 1 is a schematic structural view of a transformer body storage device according to the present invention.
The specific structure in the figure illustrates that: the device comprises a vacuum oil filter 1, an insulation resistance tester 2, an air dryer 3, a thermometer 4, a pressure gauge 5, a valve 6, a spray head 7, an outer cover 8, an inner cover 9, a device body 10 and an oil collecting tank 11.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1, a transformer body storage device is used for a storage device 10 and comprises an oil collecting tank 11, an isolation cover and an oil injection loop, wherein the oil collecting tank 11 is located in the isolation cover, an oil inlet end of the oil injection loop is communicated with the oil collecting tank 11, the transformer body 10 is placed on the oil collecting tank 11 when the transformer body storage device is used, and an oil injection end of the oil injection loop is located above the transformer body 10. When the device body 10 is stored, the oil injection loop continuously extracts the oil in the oil collecting groove 11 and sprays the oil to the device body 10 from the upper part of the device body 10 to the lower part, so that the surface of the device body is always protected by the oil, and the oil on the surface of the device body 10 drops into the oil collecting groove, thereby realizing the oil circulation.
Specifically, the isolation cover comprises an inner cover 9 and an outer cover 8, the lower end of the inner cover 9 is immersed in oil in the oil collecting tank 11, the oil collecting tank 11 is located inside the outer cover 8, the outer cover 8 is connected with the air dryer 3, and the air dryer 3 supplies dry air between the outer cover 8 and the inner cover 9; the outer layer cover 8 is provided with a pressure relief opening. The inner layer cover 9 can make the sprayed oil smoothly drop back to the oil collecting tank 11, and the oil is prevented from splashing and being wasted. A certain accommodating space is formed between the inner layer cover 9 and the outer layer cover 8, and dry air can be continuously supplied into the space through the air dryer 3 so as to exhaust the air in the space, so that the drying of the environment preserved by the body 10 is ensured, and the level of the insulation resistance of the body 10 can be improved. As an alternative, a nitrogen cylinder may be used instead of the air dryer 3 in this embodiment, by releasing nitrogen from the nitrogen cylinder, the original air between the inner jacket 9 and the outer jacket 8 may be evacuated, whereby moisture contained in the air may be removed.
The oil injection loop comprises a vacuum oil filter 1 and a spray head 7, the spray head 7 is positioned at the inner top of the isolation cover, the vacuum oil filter 1 is positioned outside the isolation cover, and two ends of the vacuum oil filter 1 are respectively communicated with the oil collecting tank 11 and the spray head 7. The vacuum oil filter 1 can provide power for the flow of an oil injection loop, can separate water in oil, ensures the dryness of the preservation environment of the oil filter body, can heat the oil, and is convenient for the spray head 7 to atomize the oil smoothly. In order to ensure that the surface of the whole device body is covered by an oil film, a plurality of spray heads 7 are flexibly arranged according to the size of the device body, so that the protection effect can be ensured.
A thermometer 4, a pressure gauge 5 and a valve 6 are arranged between the vacuum oil filter 1 and the spray head 7. The thermometer 4 and the pressure gauge 5 are respectively used for measuring the temperature and the pressure of oil injection, and are convenient to control and adjust.
An insulation resistance tester 2 is arranged outside the isolation cover, and the insulation resistance tester 2 is used for measuring the insulation resistance of the device body 10.
The inner layer cover 9 and the outer layer cover 8 are made of rain-proof canvas. The rainproof canvas has the advantages of simple material taking, low price and convenient assembly and disassembly.
The operation method for storing the transformer body by using the embodiment comprises the following steps:
firstly, a transformer body is arranged, and an iron core of the transformer body and wire outlet heads at each phase side are led out of the transformer body by using insulated wires;
secondly, installing and fixing the spray head 7;
thirdly, arranging an inner layer cover 9 and an outer layer cover 8 by using rain-proof canvas, and placing the lower edge of the inner layer cover 8 into an oil collecting tank 11;
fourthly, connecting a vacuum oil filter 1, an air dryer 3 and an insulation resistance tester 2;
injecting enough transformer oil into the oil collecting tank 11;
sixthly, tightly sealing the inner layer cover 9 and the outer layer cover 8, opening the air dryer 3 to fill dry gas into the outer layer cover 8, and opening the vacuum oil filter 1 to spray the transformer oil.
During oil injection, the oil temperature and the oil pressure of the oil discharged from the vacuum oil filter 1 are monitored, and the oil temperature and the oil pressure are controlled at a certain value to ensure the atomization of the oil discharged from the spray head. The space between the inner cover 9 and the outer cover 8 is kept open to dry air until the end of preservation.
Recording the temperature, humidity, outlet oil pressure, outlet oil temperature and insulation resistance at regular intervals during the hot oil spraying process, wherein the insulation resistance comprises high-voltage-low, ground and iron core insulation resistances; low voltage-high, ground, iron core insulation resistance; iron core-high, low, ground insulation resistance. If the insulation data is continuously monitored for multiple times and is stable and has no obvious change, the monitoring interval can be widened.
The above description is only a preferred embodiment of the present invention, but not intended to limit the scope of the invention, and all simple equivalent changes and modifications made in the claims and the description of the invention are within the scope of the invention.
Claims (9)
1. The utility model provides a transformer ware body strorage device for the strorage ware body which characterized in that: the oil collection device comprises an oil collection groove, an isolation cover and an oil injection loop, wherein the oil collection groove is positioned in the isolation cover, the oil inlet end of the oil injection loop is communicated with the oil collection groove, the device body is placed on the oil collection groove during use, and the oil injection end of the oil injection loop is positioned above the device body.
2. The transformer body storage device according to claim 1, wherein: the isolation cover comprises an inner cover and an outer cover, the lower end of the inner cover is immersed in the oil collecting tank, the oil collecting tank is positioned in the outer cover, the outer cover is connected with an air dryer/nitrogen cylinder, and the air dryer/nitrogen cylinder provides dry air/nitrogen between the outer cover and the inner cover; the outer layer cover is provided with a pressure relief opening.
3. The transformer body storage device according to claim 1, wherein: the oil injection loop comprises a vacuum oil filter and a spray head, the spray head is positioned at the inner top of the isolation cover, the vacuum oil filter is positioned outside the isolation cover, and two ends of the vacuum oil filter are respectively communicated with the oil collecting tank and the spray head.
4. A transformer body storage device according to claim 3, wherein: the shower nozzle has a plurality ofly.
5. A transformer body storage device according to claim 3, wherein: a thermometer, a pressure gauge and a valve are arranged between the vacuum oil filter and the spray head.
6. The transformer body storage device according to claim 1, wherein: and an insulation resistance tester is arranged outside the isolation cover and used for measuring the insulation resistance of the device body.
7. The transformer body storage device according to claim 2, wherein: the inner layer cover and the outer layer cover are made of rain-proof canvas.
8. The method for storing the transformer body storage device according to claim 1, comprising the steps of:
firstly, a transformer body is arranged, and an iron core of the transformer body and wire outlet heads at each phase side are led out of the transformer body by using insulated wires;
secondly, installing and fixing the spray head;
arranging an isolation cover, wherein an inner layer cover and an outer layer cover are arranged as the isolation cover by using rain-proof canvas, and the lower edge of the inner layer cover is placed in the oil collecting tank;
fourthly, connecting a vacuum oil filter, an air dryer/nitrogen cylinder and an insulation resistance tester;
injecting enough transformer oil into the oil collecting tank;
closing the inner cover and the outer cover tightly, opening an air dryer/nitrogen cylinder to fill dry gas/nitrogen into the outer cover, and opening a vacuum oil filter to spray the transformer oil.
9. The method of claim 8, wherein the following log is made during the spraying of the transformer oil: recording the temperature, the humidity, the outlet oil pressure, the outlet oil temperature and the insulation resistance at regular intervals, wherein the insulation resistance comprises high-voltage-low, ground and iron core insulation resistances; low voltage-high, ground, iron core insulation resistance; iron core-high, low, ground insulation resistance; if the insulation data is continuously monitored for multiple times and is stable and has no obvious change, the monitoring interval can be widened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010473203.8A CN111634527B (en) | 2020-05-29 | 2020-05-29 | Method for storing transformer body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010473203.8A CN111634527B (en) | 2020-05-29 | 2020-05-29 | Method for storing transformer body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111634527A true CN111634527A (en) | 2020-09-08 |
| CN111634527B CN111634527B (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010473203.8A Active CN111634527B (en) | 2020-05-29 | 2020-05-29 | Method for storing transformer body |
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| Country | Link |
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| CN (1) | CN111634527B (en) |
Citations (8)
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|---|---|---|---|---|
| CN1822258A (en) * | 2006-03-17 | 2006-08-23 | 中国科学院电工研究所 | Spray type evaporation and cooling transformer |
| CN201196896Y (en) * | 2007-12-12 | 2009-02-18 | 天津市三源电力变压器公司 | Vacuum hot oil spraying and drying system of ultra-large transformer |
| CN103474206A (en) * | 2013-08-26 | 2013-12-25 | 中国广核集团有限公司 | Nuclear power station transformer oil treatment system and method |
| CN103594233A (en) * | 2013-11-29 | 2014-02-19 | 国家电网公司 | 220kV main transformer on-site insulation drying device and technology thereof |
| CN203774651U (en) * | 2014-03-06 | 2014-08-13 | 刁俊起 | Overhaul device special for transformer |
| CN104332284A (en) * | 2014-10-16 | 2015-02-04 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Hot oil spray and drying device and method for converter transformer |
| CN208694291U (en) * | 2018-03-27 | 2019-04-05 | 中山凯旋真空科技股份有限公司 | Vacuum drying tank |
| CN212401942U (en) * | 2020-05-29 | 2021-01-26 | 广东能建电力设备厂有限公司 | Transformer ware body strorage device |
-
2020
- 2020-05-29 CN CN202010473203.8A patent/CN111634527B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1822258A (en) * | 2006-03-17 | 2006-08-23 | 中国科学院电工研究所 | Spray type evaporation and cooling transformer |
| CN201196896Y (en) * | 2007-12-12 | 2009-02-18 | 天津市三源电力变压器公司 | Vacuum hot oil spraying and drying system of ultra-large transformer |
| CN103474206A (en) * | 2013-08-26 | 2013-12-25 | 中国广核集团有限公司 | Nuclear power station transformer oil treatment system and method |
| CN103594233A (en) * | 2013-11-29 | 2014-02-19 | 国家电网公司 | 220kV main transformer on-site insulation drying device and technology thereof |
| CN203774651U (en) * | 2014-03-06 | 2014-08-13 | 刁俊起 | Overhaul device special for transformer |
| CN104332284A (en) * | 2014-10-16 | 2015-02-04 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Hot oil spray and drying device and method for converter transformer |
| CN208694291U (en) * | 2018-03-27 | 2019-04-05 | 中山凯旋真空科技股份有限公司 | Vacuum drying tank |
| CN212401942U (en) * | 2020-05-29 | 2021-01-26 | 广东能建电力设备厂有限公司 | Transformer ware body strorage device |
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| Publication number | Publication date |
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| CN111634527B (en) | 2022-06-21 |
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