CN114171305A - Method for recovering transformer oil in oil chamber of on-load switch - Google Patents
Method for recovering transformer oil in oil chamber of on-load switch Download PDFInfo
- Publication number
- CN114171305A CN114171305A CN202111505068.1A CN202111505068A CN114171305A CN 114171305 A CN114171305 A CN 114171305A CN 202111505068 A CN202111505068 A CN 202111505068A CN 114171305 A CN114171305 A CN 114171305A
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- oil
- transformer
- load switch
- stop valve
- pipe
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- 238000000034 method Methods 0.000 title claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052802 copper Inorganic materials 0.000 claims abstract description 40
- 239000010949 copper Substances 0.000 claims abstract description 40
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 210000001503 joint Anatomy 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 5
- 229920000114 Corrugated plastic Polymers 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 17
- 230000037431 insertion Effects 0.000 description 17
- 230000008569 process Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Transformer Cooling (AREA)
Abstract
The invention relates to the technical field of transformers, and discloses a method for recovering transformer oil in an on-load switch oil chamber, which comprises the following steps: s1: butting the oil discharging device with a copper stop valve at the tail end of an oil discharging connecting pipe of an oil chamber of the on-load switch of the transformer; s2: opening a copper stop valve to guide the transformer oil in the on-load switch oil chamber of the transformer into an oil drainage device through an oil drainage connecting pipe, so as to realize the recovery of the transformer oil; the oil drain device comprises an oil pump, a quick-connection connecting pipe and an oil conveying pipe, wherein one end of the quick-connection connecting pipe is connected with the input end of the oil pump, one end, away from the oil pump, of the quick-connection connecting pipe is in butt joint with a copper stop valve at the tail end of the oil drain connecting pipe through a quick-connection mechanism, and one end of the oil conveying pipe is connected with the output end of the oil pump. The method for recovering the transformer oil in the on-load switch oil chamber of the transformer is convenient to guide and recover the transformer oil in the on-load switch oil chamber of the transformer, and ensures that no splashing occurs, thereby effectively solving the problem that the transformer oil pollutes the ground.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a method for recovering transformer oil in an oil chamber of an on-load switch.
Background
When the on-load tap changer is disassembled in a factory, transformer oil in an on-load switch oil chamber needs to be discharged, a copper stop valve is arranged at the tail end of an oil discharge pipeline of the on-load switch oil chamber in the factory, and plastic sheets are generally adopted to guide the transformer oil to an oil box due to a higher oil discharge port. This mode of operation has the following problems:
1. the transformer oil can splash in the oil discharging process, the problem that the transformer oil pollutes the ground exists, field management is not easy, the ground is difficult to clean, and potential safety hazards exist;
2. the plastic skin with oil can not be reused, and the cleaning of the ground with oil needs auxiliary materials such as wrapping cloth, sawdust and the like, which causes the waste of the auxiliary materials.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for recovering transformer oil in an on-load switch oil chamber, which has the advantages of being convenient for recovering the transformer oil and avoiding the transformer oil from polluting the ground, and solves the problem that the transformer oil splashes in the oil discharge process of an on-load voltage-regulating transformer in the prior art.
(II) technical scheme
In order to realize the purposes of conveniently recovering the transformer oil and avoiding the transformer oil from polluting the ground, the invention provides the following technical scheme: a method for recovering transformer oil in an on-load switch oil chamber comprises the following steps:
s1: butting the oil discharging device with a copper stop valve at the tail end of an oil discharging connecting pipe of an oil chamber of the on-load switch of the transformer;
s2: and the copper stop valve is opened to guide the transformer oil in the on-load switch oil chamber of the transformer into the oil discharging device through the oil discharging connecting pipe, so that the recovery of the transformer oil is realized.
Preferably, the oil drain device includes the oil pump, connects the union coupling and defeated oil pipe soon, the one end of connecing the union coupling soon is connected with the input of oil pump, the one end that the oil pump was kept away from to the union coupling soon is through the butt joint of the terminal copper stop valve of mechanism and oil drain union coupling, the one end of defeated oil pipe is connected with the output of oil pump.
Preferably, the oil drain union is a phi 25 welded steel pipe.
Preferably, the mechanism that connects soon is including inserting the intubate of establishing in the oil outlet end of copper stop valve, the intubate is close to fixed the cup jointing on the outer pipe wall on top have with the oil outlet end inner wall assorted sealing washer of copper stop valve, the one end fixed connection of oil pump is kept away from to the bottom of intubate and the union coupling, the outside cover of intubate is equipped with the rotary drum, and is equipped with the internal thread on the inner tube wall of rotary drum, be equipped with on the lateral wall that the oil outlet end of copper stop valve goes out the oil end with internal thread assorted external screw thread, and the rotary drum cup joints with the oil outlet end screw thread of copper stop valve, install rotating assembly between rotary drum and the intubate.
Preferably, a movable trolley is fixedly mounted at the bottom of the oil pump.
Preferably, the quick-connection connecting pipe is an oil-resistant corrugated plastic pipe.
Preferably, the outer cylinder wall of the rotating cylinder is fixedly provided with a matched anti-slip sleeve.
Preferably, the rotating assembly comprises an annular opening formed in the center of the bottom of the rotating drum, an annular sliding groove is formed in the inner wall of the annular opening, a plurality of uniformly distributed annular sliding blocks are fixedly mounted on the outer pipe wall of the insertion pipe, and the annular sliding blocks are connected with the annular sliding groove in a sliding mode.
Preferably, one side of the annular sliding block, which is close to the bottom of the annular sliding groove, is provided with a ball groove, a matched ball is arranged in the ball groove in a rolling manner, one end, which is far away from the bottom of the ball groove, of the ball groove penetrates through the notch of the ball groove and extends outwards, and the ball is in rolling connection with the bottom of the annular sliding groove.
(III) advantageous effects
Compared with the prior art, the invention provides a method for recovering transformer oil in an on-load switch oil chamber, which has the following beneficial effects:
according to the method for recovering the transformer oil in the on-load switch oil chamber, the quick connection connecting pipe is conveniently and quickly butted with a copper stop valve at the tail end of an oil discharge connecting pipe by arranging the oil pump, the quick connection connecting pipe, the oil delivery pipe and a quick connection mechanism, the quick connection connecting pipe and the oil discharge connecting pipe carried by the on-load switch oil chamber of the transformer are butted and communicated, the oil pump is started, the transformer oil in the on-load switch oil chamber of the transformer can be guided and recovered, the splashing-free condition is ensured, the condition that the transformer oil pollutes the ground is solved, the plastic skin is not needed to be used for guiding the transformer oil, the splashed transformer oil is cleaned by saw dust and wrapping cloth, and effective material saving can be realized; the ground has no transformer oil accumulation, so that the potential safety hazard of people sliding is reduced; the operating personnel need not to clear up transformer oil that splashes, reduces operating personnel's labour.
Drawings
Fig. 1 is a schematic structural diagram of a connection part of an oil chamber and an oil discharge device of a load switch according to the invention;
FIG. 2 is a schematic structural view of a connecting portion of a quick-connect coupling pipe and a copper shut-off valve according to the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1 transformer load switch oil chamber, 2 oil drain connecting pipes, 3 copper stop valves, 4 oil pumps, 5 quick-connection connecting pipes, 6 oil conveying pipes, 7 insertion pipes, 8 sealing rings, 9 rotary drums, 10 trolleys, 11 anti-skidding sleeves, 12 annular sliding blocks and 13 rolling balls.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1-3, a method for recovering transformer oil from an oil chamber of an on-load switch includes the following steps:
s1: the oil discharging device is butted with a copper stop valve 3 at the tail end of an oil discharging connecting pipe 2 of a transformer on-load switch oil chamber 1;
s2: and the copper stop valve 3 is opened to guide the transformer oil in the oil chamber 1 of the on-load switch of the transformer into the oil discharging device through the oil discharging connecting pipe 2, so that the recovery of the transformer oil is realized.
The oil drain device includes an oil pump 4, the quick-connection connecting pipe 5 and the oil delivery pipe 6, a movable small cart 10 is fixedly mounted at the bottom of the oil pump 4, the quick-connection connecting pipe 5 is convenient to move on an operation site, the quick-connection connecting pipe 5 is made of an oil-resistant corrugated plastic pipe, the length of the quick-connection connecting pipe is large in stretching amount, the quick-connection connecting pipe is light and easy to pull, one end of the quick-connection connecting pipe 5 is connected with the input end of the oil pump 4, one end, far away from the oil pump 4, of the quick-connection connecting pipe 5 is in butt joint with the copper stop valve 3 at the tail end of the oil discharge connecting pipe 2 through a quick-connection mechanism, one end of the oil delivery pipe 6 is connected with the output end of the oil pump 4, the quick-connection mechanism enables the quick-connection connecting pipe 5 to be in quick butt joint communication with the copper stop valve 3 at the tail end of the oil discharge connecting pipe 2, the oil pump 4 is started to conveniently take out transformer oil in the transformer on-load switch oil chamber 1, and finally the transformer oil is guided out and collected by the oil delivery pipe 6, and the transformer oil is prevented from splashing to pollute the ground in the oil discharge process.
The oil drain union 2 is a phi 25 welded steel pipe and is used for connecting the on-load switch oil chamber 1 of the transformer, meanwhile, the oil drain union 2 can be prevented from being corroded and damaged, and the service life is prolonged.
The quick connection mechanism comprises an insertion pipe 7 inserted in the oil outlet end of the copper stop valve 3, a sealing ring 8 matched with the inner wall of the oil outlet end of the copper stop valve 3 is fixedly sleeved on the outer pipe wall of the insertion pipe 7 close to the top end, the sealing performance of the insertion pipe 7 and the insertion position of the oil outlet end of the copper stop valve 3 is guaranteed, and the oil leakage phenomenon is avoided. The bottom end of the insertion pipe 7 is fixedly connected with one end, far away from the oil pump 4, of the quick connection connecting pipe 5, a rotary drum 9 is sleeved on the outer side of the insertion pipe 7, an internal thread is arranged on the inner cylinder wall of the rotary drum 9, an external thread matched with the internal thread is arranged on the outer side wall of the oil outlet end of the copper stop valve 3, the rotary drum 9 is in threaded sleeve connection with the oil outlet end of the copper stop valve 3, the insertion pipe 7 is inserted into the oil outlet end of the copper stop valve 3, the rotary drum 9 is rotated to be in threaded connection with the oil outlet end of the copper stop valve 3, connection between the quick connection connecting pipe 5 and the copper stop valve 3 can be rapidly completed, butt joint communication is realized, the rotary drum 9 is reversely rotated to be separated from the copper stop valve 3, the insertion pipe 7 is conveniently separated from the copper stop valve 3, detachment and separation is realized, a rotating assembly is installed between the rotary drum 9 and the insertion pipe 7, and the rotary drum 9 does not drive the insertion pipe 7 to rotate in the rotating process, meanwhile, the rotary drum 9 can drive the insertion tube 7 to synchronously lift.
The outer tube wall of the rotary drum 9 is fixedly provided with the matched anti-slip sleeve 11, so that the adhesive force of hands is increased, and the rotary drum 9 is conveniently driven to rotate.
The rotating assembly comprises an annular opening arranged at the center of the bottom of the rotary drum 9, an annular sliding groove is formed in the inner wall of the annular opening, a plurality of uniformly distributed annular sliding blocks 12 are fixedly mounted on the outer pipe wall of the insertion pipe 7, the annular sliding blocks 12 are connected with the annular sliding groove in a sliding mode, relative sliding occurs between the annular sliding blocks 12 and the annular sliding groove when the rotary drum 9 rotates, the rotary drum 9 cannot drive the insertion pipe 7 to rotate synchronously when rotating, and when the rotary drum 9 displaces up and down, the annular sliding groove is matched with the annular sliding blocks 12 to enable the rotary drum 9 to drive the insertion pipe 7 to lift synchronously.
To sum up, the method for recycling the transformer oil in the on-load switch oil chamber inserts the insertion tube 7 into the oil outlet end of the copper stop valve 3, rotates the rotary drum 9 to enable the rotary drum to be in threaded connection with the oil outlet end of the copper stop valve 3, so that the connection between the quick-connection connecting pipe 5 and the copper stop valve 3 can be completed quickly, the oil pump 4 is started to guide the transformer oil in the on-load switch oil chamber 1 of the transformer, the guided transformer oil is conveniently recycled in a centralized manner by matching with the oil conveying pipe 6, after the transformer oil is recycled, the rotary drum 9 is rotated reversely to enable the transformer oil to be separated from the copper stop valve 3, and the quick-connection connecting pipe 5 and the copper stop valve 3 can be separated conveniently.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A method for recovering transformer oil in an on-load switch oil chamber is characterized by comprising the following steps: the method comprises the following steps:
s1: the oil discharging device is butted with a copper stop valve (3) at the tail end of an oil discharging connecting pipe (2) of a transformer on-load switch oil chamber (1);
s2: and (3) opening the copper stop valve (3) to guide the transformer oil in the oil chamber (1) of the on-load switch of the transformer into the oil drainage device through the oil drainage connecting pipe (2), thereby realizing the recovery of the transformer oil.
2. The on-load switch oil chamber transformer oil recovery method according to claim 1, characterized in that: the oil drain device includes oil pump (4), connects union coupling (5) and defeated oil pipe (6) soon, the one end of connecing union coupling (5) soon is connected with the input of oil pump (4), the one end that oil pump (4) were kept away from in union coupling (5) soon is through mechanism and the butt joint of terminal copper stop valve (3) of oil drain union coupling (2) soon, the one end of defeated oil pipe (6) is connected with the output of oil pump (4).
3. The on-load switch oil chamber transformer oil recovery method according to claim 1, characterized in that: the oil drain union (2) is a phi 25 welded steel pipe.
4. The on-load switch oil chamber transformer oil recovery method according to claim 2, characterized in that: connect mechanism soon including inserting intubate (7) of establishing in copper stop valve (3) oil outlet end, fixed cover on intubate (7) the outer pipe wall that is close to the top have connect with copper stop valve (3) oil outlet end inner wall assorted sealing washer (8), the one end fixed connection of oil pump (4) is kept away from with connecing union coupling (5) soon to the bottom of intubate (7), the outside cover of intubate (7) is equipped with rotary drum (9), and is equipped with the internal thread on the inner tube wall of rotary drum (9), be equipped with on the lateral wall that the oil outlet end of copper stop valve (3) with internal thread assorted external screw thread, and rotary drum (9) and the oil outlet end screw thread of copper stop valve (3) cup joint, install rotating assembly between rotary drum (9) and intubate (7).
5. The on-load switch oil chamber transformer oil recovery method according to claim 2, characterized in that: the bottom of the oil pump (4) is fixedly provided with a movable trolley (10).
6. The on-load switch oil chamber transformer oil recovery method according to claim 2, characterized in that: the quick-connection connecting pipe (5) is an oil-resistant corrugated plastic pipe.
7. The on-load switch oil chamber transformer oil recovery method according to claim 4, characterized in that: and the outer cylinder wall of the rotary cylinder (9) is fixedly provided with a matched anti-slip sleeve (11).
8. The on-load switch oil chamber transformer oil recovery method according to claim 4, characterized in that: the rotating assembly comprises an annular opening arranged at the center of the bottom of the rotating drum (9), an annular sliding groove is formed in the inner wall of the annular opening, a plurality of uniformly distributed annular sliding blocks (12) are fixedly mounted on the outer pipe wall of the inserting pipe (7), and the annular sliding blocks (12) are connected with the annular sliding groove in a sliding mode.
9. The on-load switch oil chamber transformer oil recovery method according to claim 8, characterized in that: the ball groove has been seted up to one side that annular slider (12) are close to annular spout tank bottom, ball (13) that match are installed in the ball inslot roll, ball (13) are kept away from the one end of ball groove tank bottom and are passed the notch in ball groove and outwards extend, and ball (13) and the tank bottom roll connection of annular spout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505068.1A CN114171305A (en) | 2021-12-10 | 2021-12-10 | Method for recovering transformer oil in oil chamber of on-load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505068.1A CN114171305A (en) | 2021-12-10 | 2021-12-10 | Method for recovering transformer oil in oil chamber of on-load switch |
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| Publication Number | Publication Date |
|---|---|
| CN114171305A true CN114171305A (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111505068.1A Pending CN114171305A (en) | 2021-12-10 | 2021-12-10 | Method for recovering transformer oil in oil chamber of on-load switch |
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| CN (1) | CN114171305A (en) |
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| CN112337025A (en) * | 2020-11-05 | 2021-02-09 | 安徽飞达消防设备工程有限公司 | Conveying equipment for conveying fire-fighting foam liquid |
| CN113008631A (en) * | 2021-04-27 | 2021-06-22 | 国家电网有限公司 | Universal sealing oil sampling device and method for transformer |
| CN214947192U (en) * | 2021-06-04 | 2021-11-30 | 河北瑞兆激光再制造技术股份有限公司 | Rapid butt joint tool for oil inlet pipe in high-speed dynamic balance cabin |
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2021
- 2021-12-10 CN CN202111505068.1A patent/CN114171305A/en active Pending
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| CN201820586U (en) * | 2010-06-29 | 2011-05-04 | 河南省电力公司平顶山供电公司 | Oil sampling device for oil chamber of tap switch of transformer |
| CN203395277U (en) * | 2013-08-20 | 2014-01-15 | 张天洪 | Stop control valve for energy accumulator |
| JP6374076B1 (en) * | 2017-11-21 | 2018-08-15 | 中村 勝利 | Valve structure for air injection |
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| CN214947192U (en) * | 2021-06-04 | 2021-11-30 | 河北瑞兆激光再制造技术股份有限公司 | Rapid butt joint tool for oil inlet pipe in high-speed dynamic balance cabin |
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