CN210088469U - Automatic quick oil discharge system for converter transformer - Google Patents
Automatic quick oil discharge system for converter transformer Download PDFInfo
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- CN210088469U CN210088469U CN201920866594.2U CN201920866594U CN210088469U CN 210088469 U CN210088469 U CN 210088469U CN 201920866594 U CN201920866594 U CN 201920866594U CN 210088469 U CN210088469 U CN 210088469U
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Abstract
The utility model relates to the field of transformers, in particular to an automatic and rapid oil discharge system for a converter transformer, which comprises an oil pumping pipeline, a natural oil discharge pipeline, an inflation pipeline and a control system, wherein the oil pumping pipeline is provided with an oil pump, a first normally closed butterfly valve, a first electromagnetic valve, a normally open butterfly valve and a second electromagnetic valve, the first normally closed butterfly valve is controlled to be opened through a first electromagnetic valve, the normally open butterfly valve is controlled to be closed through a second electromagnetic valve, a second normally closed butterfly valve and a third electromagnetic valve are arranged on a natural oil discharge pipeline, the second normally closed butterfly valve is controlled to be opened through a third electromagnetic valve, a third normally closed butterfly valve, a fourth electromagnetic valve and a gas cylinder are arranged on the gas charging pipeline, and the third normally closed butterfly valve is controlled to be opened through a fourth electromagnetic valve, and the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are all connected with the control system. The utility model discloses can make transformer oil discharge naturally, can force transformer oil discharge fast again, use in a flexible way, and the reaction is rapid.
Description
Technical Field
The utility model belongs to the technical field of the transformer and specifically relates to an automatic quick oil extraction system for converter transformer.
Background
In the prior art, the converter transformer running on line is only provided with a manual butterfly valve to realize oil drainage, and can only be used when the converter transformer normally discharges oil, when the converter transformer catches fire accidentally, an operator is difficult to approach the oil drainage butterfly valve and open the oil drainage butterfly valve to drain the oil, even if the oil drainage butterfly valve can be opened to drain the oil, the oil drainage speed is slow, the transformer oil cannot be drained quickly and effectively, once the transformer oil catches fire, the fire behavior is increased, and inestimable harm and loss are brought. Along with the development of social science and technology, the capacity pressure of the converter transformer is higher and higher, the oil quantity in a single converter transformer is higher and higher, and the problem that how to quickly discharge transformer oil to a safe place when the converter transformer catches fire accidentally is urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic quick oil extraction system for converter transformer can make transformer oil discharge naturally, can force transformer oil to discharge fast again, uses in a flexible way, and reacts rapidly.
The purpose of the utility model is realized through the following technical scheme:
an automatic and rapid oil discharge system for a converter transformer comprises an oil pumping pipeline, a natural oil discharge pipeline, an air charging pipeline and a control system, wherein the oil pumping pipeline and the air charging pipeline are connected with an oil tank of the converter transformer, and the natural oil discharge pipeline is connected with an oil storage cabinet of the converter transformer. Wherein be equipped with oil pump, first normally closed butterfly valve, first solenoid valve, normally open butterfly valve and second solenoid valve on the oil pumping pipeline, just first normally closed butterfly valve opens through first solenoid valve control, normally open butterfly valve closes through second solenoid valve control, is equipped with second normally closed butterfly valve and third solenoid valve on the oil pipe way naturally, just second normally closed butterfly valve opens through third solenoid valve control, is equipped with third normally closed butterfly valve, fourth solenoid valve and gas cylinder on the gas charging line, just third normally closed butterfly valve opens through fourth solenoid valve control, first solenoid valve, second solenoid valve, third solenoid valve and fourth solenoid valve all with control system links to each other.
The oil pumping pipeline is provided with two first normally closed butterfly valves and a normally open butterfly valve, and the two first normally closed butterfly valves are controlled to be opened through corresponding first electromagnetic valves respectively.
And the oil pumping pipeline is provided with a first leakage instrument for monitoring leakage of the first normally closed butterfly valve and a second leakage instrument for monitoring leakage of the normally open butterfly valve.
The natural oil discharge pipeline is connected with the lower end of an oil storage cabinet of the converter transformer, two second normally-closed butterfly valves are arranged on the natural oil discharge pipeline, and the two second normally-closed butterfly valves are controlled to be opened through corresponding third electromagnetic valves respectively.
And a third leakage instrument for monitoring leakage of the second normally closed butterfly valve is arranged on the natural oil discharging pipeline.
And one end of the inflation pipeline is connected with the transformer oil storage tank, the other end of the inflation pipeline is provided with an air bottle, two third normally-closed butterfly valves are arranged on the inflation pipeline, and the two third normally-closed butterfly valves are controlled to be opened through corresponding fourth electromagnetic valves respectively.
And a fourth leakage instrument for monitoring leakage of the third normally closed butterfly valve is arranged on the inflation pipeline.
The oil pumping pipeline, the natural oil discharging pipeline, the gas charging pipeline and the control system are arranged in a shell.
The oil pumping pipeline is characterized in that a section of connecting pipeline is arranged outside the shell and is connected with an oil tank of the converter transformer, a first stop valve and a second stop valve are arranged on the connecting pipeline, the first stop valve is connected with the oil injection pipeline, and the second stop valve is connected with the vacuum pumping pipeline.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses an oil pump on the oil pumping pipeline realizes forcing the oil extraction, can be fast with the oil displacement in the transformer tank, in addition the utility model discloses still be equipped with the gas tube way, can be discharged to the gas-filled oil acceleration in the transformer tank when necessary, use in a flexible way.
2. The utility model discloses each pipeline is closed in the butterfly valve control of utilizing the area weight, and the weight passes through solenoid valve control, can open the butterfly valve oil extraction fast or aerify to the incasement, and the reaction is rapid.
3. The utility model discloses all be equipped with the leakage appearance monitoring seepage condition at each butterfly valve downside, in case discover the butterfly valve seepage can be in time the warning suggestion, maintainer can in time overhaul.
4. The utility model discloses adopt the vacuum oiling mode during the oiling, prevent that gas from getting into in the transformer.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
fig. 2 is a view a-a of fig. 1.
Wherein, 1 is the oil pumping pipeline, 11 is the oil pump, 12 is the first normally closed butterfly valve, 121 is the first normally closed butterfly valve weight, 13 is the normally open butterfly valve, 131 is the normally open butterfly valve weight, 14 is the first stop valve, 15 is the second solenoid valve, 16 is the first solenoid valve, 17 is the first appearance of revealing, 18 is the second appearance of revealing, 19 is the second stop valve, 2 is the natural oil drain pipeline, 21 is the second normally closed butterfly valve, 211 is the second normally closed butterfly valve weight, 22 is the third solenoid valve, 23 is the third appearance of revealing, 3 is the gas charging line, 31 is the third normally closed butterfly valve, 311 is the third normally closed butterfly valve, 32 is the fourth solenoid valve, 33 is the fourth appearance of revealing, 34 is the gas cylinder, 4 is control system, 5 is the casing.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in figures 1-2, the utility model comprises an oil pumping pipeline 1, a natural oil discharging pipeline 2, an air charging pipeline 3 and a control system 4, wherein the oil pumping pipeline 1 and the air charging pipeline 3 are both connected with an oil tank of a converter transformer, the natural oil discharging pipeline 2 is connected with an oil storage cabinet of the transformer, an oil pump 11, a first normally closed butterfly valve 12, a first electromagnetic valve 16, a normally open butterfly valve 13 and a second electromagnetic valve 15 are arranged on the oil pumping pipeline 1, the first normally closed butterfly valve 12 is controlled to be opened by the first electromagnetic valve 16, the normally open butterfly valve 13 is controlled to be closed by the second electromagnetic valve 15, a second normally closed butterfly valve 21 and a third electromagnetic valve 22 are arranged on the natural oil discharging pipeline 2, the second normally closed butterfly valve 21 is controlled to be opened by the third electromagnetic valve 22, a third butterfly valve 31, a fourth normally closed electromagnetic valve 32 and a butterfly valve 34 are arranged on the air charging pipeline 3, and the third normally, and after the third normally closed butterfly valve 31 is opened, the gas in the gas cylinder 34 is filled in the oil tank of the converter transformer to accelerate the oil discharge speed, and the first electromagnetic valve 16, the second electromagnetic valve 15, the third electromagnetic valve 22 and the fourth electromagnetic valve 32 are all connected with the control system 4. In this embodiment, each butterfly valve adopts a weight type butterfly valve, each butterfly valve and each electromagnetic valve are well-known technologies in the art and are commercially available products, and the gas cylinder 34 is a nitrogen cylinder.
As shown in fig. 1-2, two first normally closed butterfly valves 12 and a normally open butterfly valve 13 are disposed on the oil pumping pipeline 1, the first normally closed butterfly valve 12 is disposed with a first normally closed butterfly valve weight 121, the normally open butterfly valve 13 is disposed with a normally open butterfly valve weight 131, when the control system 4 receives an instruction to discharge oil from the oil pumping pipeline 1, the second normally closed butterfly valve 21 on the natural oil discharging pipeline 2 and the third normally closed butterfly valve 31 on the air charging pipeline 3 are both kept closed, the control system 4 controls the oil pump 11 to start and controls the two first electromagnetic valves 16 to start, so that the two first normally closed butterfly valve weights 121 fall under the action of gravity and drive the valve shaft of the first normally closed butterfly valve 12 to rotate 90 °, so as to open the two first normally closed butterfly valves 12, at this time, under the power action of the oil pump 11, the oil tank of the converter transformer forcibly discharges oil quickly, when the control system 4 receives an instruction to stop, the control system 4 controls the oil pump 11 to stop, and controls the second electromagnetic valve 15 to start, so that the heavy hammer 131 of the normally open butterfly valve falls under the action of gravity, and drives the valve shaft of the normally open butterfly valve 13 to rotate 90 degrees, and the normally open butterfly valve 13 is closed to stop oil discharge.
As shown in fig. 2, two first leakage instruments 17 and one second leakage instrument 18 are arranged on the oil pumping pipeline 1, the two first leakage instruments 17 correspond to different first normally closed butterfly valves 12 respectively, the second leakage instrument 18 corresponds to a normally open butterfly valve 13, and each leakage instrument is used for monitoring the leakage condition of the butterfly valve adjacent to the leakage instrument. The first and second leak meters 17 and 18 are well known in the art and are commercially available products.
As shown in fig. 1, the natural oil discharge pipeline 2 is connected to the lower end of the converter transformer oil storage tank, two second normally closed butterfly valves 21 are arranged on the natural oil discharge pipeline 2, each second normally closed butterfly valve 21 is provided with a second normally closed butterfly valve weight 211, when the control system 4 receives an instruction to discharge oil naturally, the first normally closed butterfly valve 12 on the oil pumping pipeline 1 and the third normally closed butterfly valve 31 on the air charging pipeline 3 are both kept in a closed state, the control system 4 controls the two third electromagnetic valves 22 to start, so that the two second normally closed butterfly valve weights 211 fall under the action of gravity, and the valve shafts of the second normally closed butterfly valves 21 are driven to rotate 90 degrees, so that the two second normally closed butterfly valves 21 are opened, and the transformer oil in the converter transformer oil storage tank discharges oil naturally under the action of gravity.
As shown in fig. 1, two third leakage instruments 23 are arranged on the natural oil drainage pipeline 2, and the two third leakage instruments 23 respectively correspond to different second normally closed butterfly valves 21 and are used for monitoring the leakage condition of the corresponding second normally closed butterfly valves 21. The third leak meter 23 is well known in the art and is a commercially available product.
As shown in fig. 1, one end of the gas charging pipeline 3 is connected to a transformer oil tank, the other end of the gas charging pipeline is provided with a gas cylinder 34, two third normally closed butterfly valves 31 are arranged on the gas charging pipeline 3, each third normally closed butterfly valve 31 is provided with a third normally closed butterfly valve weight 311, after the oil pumping pipeline 1 or the automatic oil discharging pipeline 2 is opened, if the control system 4 receives an instruction to accelerate oil discharge, the control system 4 controls the two fourth electromagnetic valves 32 to start, so that the two third normally closed butterfly valve weights 311 fall under the action of gravity, and drive a valve shaft of the third normally closed butterfly valve 31 to rotate 90 degrees, so that the two third normally closed butterfly valves 31 are opened, and at the moment, gas in the gas cylinder 34 is charged into the converter transformer oil tank to break vacuum in the transformer oil tank, and.
As shown in fig. 1, two fourth leakage instruments 33 are arranged on the inflation pipeline 3, and the two fourth leakage instruments 33 respectively correspond to different third normally closed butterfly valves 31 and are used for monitoring the leakage condition of the corresponding third normally closed butterfly valve 31. The fourth leak meter 33 is well known in the art and is a commercially available product.
As shown in fig. 1-2, the oil pumping pipeline 1, the natural oil discharging pipeline 2, the gas charging pipeline 3 and the control system 4 are disposed in a casing 5, and as shown in fig. 2, the oil pumping pipeline 1 is provided with a section of connecting pipeline outside the casing 5 to be connected with an oil tank of a converter transformer, the connecting pipeline is provided with a first stop valve 14 and a second stop valve 19, wherein the first stop valve 14 is connected with the oil charging pipeline, the second stop valve 19 is connected with the vacuum pumping pipeline, each normally closed butterfly valve is in a closed state during oil charging, and gas is prevented from entering the transformer during oil charging in a vacuum oil charging mode. The shut-off valves are well known in the art and are commercially available.
The utility model discloses a theory of operation does:
the utility model discloses the during operation, corresponding pipeline is opened according to the instruction to control system 4.
When the converter transformer normally works and naturally discharges oil, the control system 4 controls the third electromagnetic valve 22 to be started, so that the second normally closed butterfly valve 21 is opened, and the transformer oil in the converter transformer is discharged along the natural oil discharge pipeline 2 under the action of gravity.
If the converter transformer is in fire or needs to discharge oil quickly under other conditions, the control system 4 controls the oil pump 11 to be started, and controls the first electromagnetic valve 16 to be started simultaneously, so that the first normally closed butterfly valve 12 is opened, at the moment, the converter transformer oil tank forcibly discharges oil quickly under the power action of the oil pump 11, and after transformer oil is discharged completely, the control system 4 controls the oil pump 11 to stop, and controls the second electromagnetic valve 15 to be started, so that the normally open butterfly valve 13 is closed, and oil discharge is stopped.
If the oil discharge speed of the converter transformer needs to be further increased, the control system 4 controls the fourth electromagnetic valve 32 to be started, so that the third normally closed butterfly valve 31 is opened, at the moment, the gas in the gas cylinder 34 is filled into the transformer oil tank, the vacuum in the transformer oil tank is broken, and the oil discharge is accelerated.
Claims (9)
1. The utility model provides a converter transformer is with automatic quick oil extraction system which characterized in that: including oil pumping pipeline (1), natural oil drainage pipeline (2), gas charging line (3) and control system (4), oil pumping pipeline (1) and gas charging line (3) all link to each other with converter transformer's oil tank, and natural oil drainage pipeline (2) link to each other with converter transformer oil storage cabinet, are equipped with oil pump (11) on wherein oil pumping pipeline (1), first normally closed butterfly valve (12), first solenoid valve (16), normally open butterfly valve (13) and second solenoid valve (15), just first normally closed butterfly valve (12) are opened through first solenoid valve (16) control, normally open butterfly valve (13) are closed through second solenoid valve (15) control, are equipped with second normally closed butterfly valve (21) and third solenoid valve (22) on natural oil drainage pipeline (2), just second normally closed butterfly valve (21) are opened through third solenoid valve (22) control, are equipped with third butterfly valve (31) on gas charging line (3), The third normally-closed butterfly valve (31) is controlled to be opened through the fourth electromagnetic valve (32), and the first electromagnetic valve (16), the second electromagnetic valve (15), the third electromagnetic valve (22) and the fourth electromagnetic valve (32) are connected with the control system (4).
2. The automatic rapid oil drainage system for the converter transformer according to claim 1, characterized in that: the oil pumping pipeline (1) is provided with two first normally closed butterfly valves (12) and a normally open butterfly valve (13), and the two first normally closed butterfly valves (12) are controlled to be opened through corresponding first electromagnetic valves (16).
3. The automatic rapid oil drainage system for the converter transformer according to claim 1, characterized in that: the oil pumping pipeline (1) is provided with a first leakage instrument (17) for monitoring leakage of the first normally closed butterfly valve (12) and a second leakage instrument (18) for monitoring leakage of the normally open butterfly valve (13).
4. The automatic rapid oil drainage system for the converter transformer according to claim 1, characterized in that: the natural oil drainage pipeline (2) is connected with the lower end of an oil storage cabinet of the converter transformer, two second normally-closed butterfly valves (21) are arranged on the natural oil drainage pipeline (2), and the two second normally-closed butterfly valves (21) are controlled to be opened through corresponding third electromagnetic valves (22).
5. The automatic rapid oil drainage system for the converter transformer according to claim 1, characterized in that: and a third leakage instrument (23) for monitoring leakage of the second normally-closed butterfly valve (21) is arranged on the natural oil drainage pipeline (2).
6. The automatic rapid oil drainage system for the converter transformer according to claim 1, characterized in that: the transformer oil storage tank is connected to gas charging line (3) one end, and the other end is equipped with gas cylinder (34) be equipped with two third normally closed butterfly valves (31) on gas charging line (3), just two third normally closed butterfly valves (31) are opened through fourth solenoid valve (32) control that corresponds respectively.
7. The automatic rapid oil drainage system for the converter transformer according to claim 1, characterized in that: and a fourth leakage instrument (33) for monitoring leakage of the third normally closed butterfly valve (31) is arranged on the inflation pipeline (3).
8. The automatic rapid oil drainage system for the converter transformer according to claim 1, characterized in that: the oil pumping pipeline (1), the natural oil discharging pipeline (2), the gas charging pipeline (3) and the control system (4) are arranged in a shell (5).
9. The automatic rapid oil drainage system for the converter transformer according to claim 8, characterized in that: the oil pumping pipeline (1) is characterized in that a section of connecting pipeline is arranged outside the shell (5) and is connected with an oil tank of a converter transformer, a first stop valve (14) and a second stop valve (19) are arranged on the connecting pipeline, the first stop valve (14) is connected with an oil injection pipeline, and the second stop valve (19) is connected with a vacuum pumping pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866594.2U CN210088469U (en) | 2019-06-11 | 2019-06-11 | Automatic quick oil discharge system for converter transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866594.2U CN210088469U (en) | 2019-06-11 | 2019-06-11 | Automatic quick oil discharge system for converter transformer |
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| Publication Number | Publication Date |
|---|---|
| CN210088469U true CN210088469U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920866594.2U Active CN210088469U (en) | 2019-06-11 | 2019-06-11 | Automatic quick oil discharge system for converter transformer |
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| CN (1) | CN210088469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066259A (en) * | 2019-06-11 | 2020-12-11 | 特变电工沈阳变压器集团有限公司 | Automatic quick oil discharge system for converter transformer |
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2019
- 2019-06-11 CN CN201920866594.2U patent/CN210088469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066259A (en) * | 2019-06-11 | 2020-12-11 | 特变电工沈阳变压器集团有限公司 | Automatic quick oil discharge system for converter transformer |
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