CN105119170B - A kind of transformer oil transfer system vacuumized using vavuum pump - Google Patents
A kind of transformer oil transfer system vacuumized using vavuum pump Download PDFInfo
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- CN105119170B CN105119170B CN201510464246.9A CN201510464246A CN105119170B CN 105119170 B CN105119170 B CN 105119170B CN 201510464246 A CN201510464246 A CN 201510464246A CN 105119170 B CN105119170 B CN 105119170B
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Abstract
The present invention relates to a kind of transformer oil transfer system vacuumized using vavuum pump, including vacuumize module and transformer；Vacuumizing module includes vacuum extractor, connecting tube and control valve；Connecting tube, including the first connecting tube, its one end connect with vacuum extractor sealing, and the other end connects with the conservator sealing of transformer；Whether control valve, including the first control valve, are arranged in the first connecting tube, connected between vacuum extractor and conservator for controlling.The transformer oil transfer system of the present invention vacuumized using vavuum pump, by transformer together with vacuumizing module perfect adaptation, the conservator of transformer and the casing communicated therewith is set to be in negative pressure state by vacuum extractor, transformer oil in radiator is transferred in conservator and casing, after maintenance terminates, release negative pressure state, transformer oil is flowed back in radiator again, whole maintenance process, transformer oil avoids the secondary pollution to transformer oil by that from internal transfer radiator can be made to be in oil-free or few oil condition.
Description
Technical field
The present invention relates to a kind of transformer oil transfer system.It is specifically a kind of to be applied to during Repair of Transformer,
The transformer oil transfer system vacuumized using vavuum pump shifted to transformer oil.
Background technology
Effect of the transformer in power system is voltage of transformation, in favor of the transmission of power.The boosted transformer of voltage
After boosting, it is possible to reduce line loss, improve the economy of power transmission, reach the purpose of remote power transmission.And step-down transformer is then
The needs at different levels for using voltage, meeting different user that high voltage can be changed into required for user.Transformer mainly by casing, absolutely
Edge sleeve pipe, conservator, radiator, iron core and winding form.Transformer-cabinet (i.e. fuel tank) is inner to fill transformer oil, iron core and winding
It is immersed in transformer oil.There is conservator on fuel tank top, connected by the first oil pipe with casing.Casing is circumscribed with radiator, radiating
Many radiating tubes are arranged in device, are connected by the second oil pipe and the 3rd oil pipe with radiator.First is provided with second oil pipe
Butterfly valve, the second butterfly valve is provided with the 3rd oil pipe, by between the open and close controlling casing and radiator of the first butterfly valve and the second butterfly valve
Whether connect.Operating iron core raises transformer oil temperature with heat energy caused by winding, the high transformer oil density of temperature
It is smaller, radiating tube is ascended into, transformer oil temperature after radiating tube internal circulation flow reduces, density increase, in radiating tube
Decline reenters casing, and therefore, the heat of iron core and winding can be distributed by the Natural Circulation of transformer oil.
With the sustained and rapid development of national economy, the trend of sustained and rapid development is presented in China's power industry, various big
The application of type transformer is also more and more.In use, local damage occurs, it is necessary to change corresponding attached in high-power transformer
Part.Common practice is as shown in Figure 1 and Figure 2.Fig. 1 is directed to the situation that transformer-cabinet 21 needs to overhaul.Traditional way
It is：Close the first butterfly valve 212 and the second butterfly valve 213, afterwards open positioned at the bottom of casing 21 bottom valve 214 and with outside
Oil Tank 3 connect connection valve 31, the transformer oil in casing 21 is flowed out through bottom valve 214, after through oil filter 4 and even
Port valve door 31 is flowed into Oil Tank 3.When the oil level of casing 21 drops to the bottom of manhole flange, bottom valve is closed successively
214th, oil filter 4 with connect valve 31, you can casing 21 is overhauled, changes the annex of damage.Treat that the maintenance of casing 21 finishes
Afterwards, bottom valve 214 is opened successively, oil filter 4 and connects valve 31, transformer oil is back to casing 21, finally opens the
One butterfly valve 212 and the second butterfly valve 213, complete whole work flows.Fig. 2 is directed to the situation that radiator 23 needs to overhaul.Pass
The way of system is：Open the air bleeding valve positioned at the top of radiator 23, open successively afterwards the bottom of radiator 23 draining valve and with
The connection valve 31 that outside Oil Tank 3 connects, by the draining valve of the bottom of radiator 23, oil filter 4 and connects valve 31, will radiate
Transformer oil in device 23 is flowed into Oil Tank 3, radiator 23 is in without oil condition., will after treating that radiator 23 overhauls
Transformer oil is injected in radiator 23 by oil filter 4, is closed air bleeding valve and draining valve afterwards, is completed whole work flows.But
Above two maintenance process, the Oil Tank 3 for being both needed to transformer oil being put into outside are stored, and easily cause the secondary pollution of transformer oil,
Whole process complex operation, repair time length.
The content of the invention
Therefore, the technical problems to be solved by the invention are in the prior art, need to be by it during Repair of Transformer
The transformer oil in portion is put into the Oil Tank storage of outside, easily causes the secondary pollution of transformer oil, so as to provide it is a kind of without using
Outside Oil Tank, you can the transformer oil vacuumized using vavuum pump the transfer system shifted in maintenance process to transformer oil
System.
In order to solve the above technical problems, technical scheme is as follows：
The invention provides a kind of transformer oil transfer system vacuumized using vavuum pump, including vacuumize module and change
Depressor；
The transformer, including casing, conservator and radiator, connected between the casing and the conservator by the first oil pipe
It is logical；The casing is connected by the second oil pipe and the 3rd oil pipe with the radiator, and the first butterfly is provided with second oil pipe
Valve, the second butterfly valve is provided with the 3rd oil pipe, by described in the open and close controlling of first butterfly valve and second butterfly valve
Whether connected between casing and the radiator；
It is described to vacuumize module, including vacuum extractor, connecting tube and control valve；
The connecting tube, including the first connecting tube, the sealing of its one end and the vacuum extractor connect, the other end with it is described
Conservator sealing connection；
The control valve, including the first control valve, it is arranged in first connecting tube, for controlling described take out very
Whether connected between empty device and the conservator.
The transformer oil transfer system of the present invention vacuumized using vavuum pump, the connecting tube, in addition to second
Connecting tube, its one end connect with vacuum extractor sealing, and the other end connects with radiator sealing；
The control valve, in addition to the second control valve, it is arranged in second connecting tube, for controlling described take out
Whether connected between vacuum plant and the radiator.
The transformer oil transfer system of the present invention vacuumized using vavuum pump, the vacuum extractor, including phase
Intercommunicated vavuum pump and knockout drum；One end of first connecting tube and one end of second connecting tube separate with described
The port sealing connection of tank.
The transformer oil transfer system of the present invention vacuumized using vavuum pump, one end of first connecting tube with
And connected between one end of second connecting tube and the port of the knockout drum by tee pipe coupling sealing.
The transformer oil transfer system of the present invention vacuumized using vavuum pump, it is described to vacuumize module, in addition to
Radiator vacuum extractor, radiator connection and radiator control valve；
The radiator connection, its one end connect with radiator vacuum extractor sealing, and the other end dissipates with described
Hot device sealing connection；
The radiator control valve is arranged in the radiator connection, for controlling the radiator vacuum means
Put and whether connected between the radiator.
The transformer oil transfer system of the present invention vacuumized using vavuum pump, the radiator vacuum extractor,
Including interconnected the second vavuum pump and the second knockout drum；One end of the radiator connection, with second knockout drum
Port connection.
The transformer oil transfer system of the present invention vacuumized using vavuum pump, the other end of first connecting tube
It is installed on the top of the conservator.
The transformer oil transfer system of the present invention vacuumized using vavuum pump, first connecting tube it is another
End, with being fastenedly connected positioned at the occipitoparietal oil extraction valve of the oil.
The transformer oil transfer system of the present invention vacuumized using vavuum pump, the other end of second connecting tube
Or the other end of the radiator connection is installed on the top of the radiator.
The transformer oil transfer system of the present invention vacuumized using vavuum pump, second connecting tube or described
The other end of radiator connection, it is fastenedly connected with the drain tap at the top of the radiator.
The above-mentioned technical proposal of the present invention has advantages below compared with prior art：
(1) transformer oil transfer system of the present invention vacuumized using vavuum pump, including vacuumize module and transformation
Device；The transformer is common transformer, including casing, conservator and radiator, is led between the casing and the conservator
The connection of the first oil pipe is crossed, the casing is connected by the second oil pipe and the 3rd oil pipe with radiator.Is provided with second oil pipe
One butterfly valve, the second butterfly valve is provided with the 3rd oil pipe, passes through the first butterfly valve and the open and close controlling casing and radiator of the second butterfly valve
Between whether connect.The module that vacuumizes includes vacuum extractor, connecting tube and control valve；The connecting tube, including the
One connecting tube, its one end connect with vacuum extractor sealing, and the other end connects with conservator sealing；The control valve
Door, including the first control valve, are arranged in the connecting tube, are between the vacuum extractor and the conservator for controlling
No connection.When radiator needs maintenance, first control valve is opened, closes first butterfly valve, opens second butterfly
Valve；After the vacuum extractor is opened, the conservator vacuumizes to form subnormal ambient with the vacuum extractor interface, described
Transformer oil in radiator can flow through second butterfly valve and be transferred to the conservator and the casing by the 3rd oil pipe
In, it is easy to overhaul the radiator；After maintenance terminates, the vacuum extractor and first control valve are closed successively
Door releases negative pressure, opens the first butterfly valve afterwards, makes transformer oil by the second butterfly valve natural back flow into the radiator.
Compared to prior art, the transformer oil transfer system of the present invention vacuumized using vavuum pump, by transformer body with taking out
Vacuum module perfect adaptation makes the conservator of transformer and the casing communicated therewith be in negative pressure shape together, by vacuum extractor
State so that the transformer oil in radiator is transferred in conservator and casing, and the radiator is in oil-free or few oil
State, it to be easy to overhaul the radiator, after maintenance terminates, releases negative pressure state, transformer oil is flowed back in radiator again,
Whole maintenance process, without using the transformer oil discharged in the Oil Tank storage maintenance process of outside, transformer oil passes through autologous
Interior transfer can make radiator be in oil-free or few oil condition, be easy to overhaul it, avoid two to transformer oil
Secondary pollution, operation is also more convenient, saves the repair time, reduces maintenance cost.
(2) transformer oil transfer system of the present invention vacuumized using vavuum pump, the connecting tube, in addition to the
Two connecting tubes, its one end connect with vacuum extractor sealing, and the other end connects with radiator sealing；The control valve
Door, in addition to the second control valve, are arranged in second connecting tube, for controlling the vacuum extractor and the radiating
Whether connected between device.When radiator needs maintenance, second control valve is closed, opens first control valve,
First butterfly valve is closed, opens second butterfly valve, you can the transformer oil in the radiator is flowed through second butterfly
Valve is transferred in conservator and casing, and now, the radiator is in oil-free or few oil condition, easy access；When the casing
When needing maintenance, first control valve is closed, opens second control valve, closes first butterfly valve, opens institute
State the second butterfly valve, you can the transformer oil in the casing is flowed through second butterfly valve and be transferred in the radiator, now,
The pasta of the casing declines, easy access.Therefore, the transformer oil transfer system of the present invention vacuumized using vavuum pump
System, i.e., situation about overhauling is needed suitable for transformer-cabinet, be applicable to the situation that transformer radiator needs to overhaul again, be applicable
Scope is wider.
(3) transformer oil transfer system of the present invention vacuumized using vavuum pump, the vacuum extractor are included
One end of interconnected vavuum pump and knockout drum, one end of first connecting tube and second connecting tube with described point
Port from tank connects.By selecting the vacuum extractor with knockout drum, the gas of vavuum pump outlet band can be dried,
Avoid corrosion of the vapor to transformer.
(4) transformer oil transfer system of the present invention vacuumized using vavuum pump, the one of first connecting tube
Connected between end and one end and the port of the knockout drum of second connecting tube by tee pipe coupling sealing.Because three
Connection for bbreather pipe has the connector of three connections, can very easily realize one end of first connecting tube, second connection
Sealing connection between one end of pipe and the port of the knockout drum.
(5) turn as another optional embodiment, the transformer oil of the present invention vacuumized using vavuum pump
Shifting system, it is described to vacuumize what module was used cooperatively with corresponding vacuum extractor respectively including two sets of vacuum extractors, two
Connecting tube and two control valves being respectively arranged in the connecting tube.The other end of wherein one connecting tube and the oil
Pillow sealing connection, the other end of another connecting tube connect with radiator sealing.It is of the present invention by this design
The transformer oil transfer system vacuumized using vavuum pump, i.e., situation about overhauling is needed suitable for transformer-cabinet, is applied to again
The situation that transformer radiator needs overhaul, the scope of application are wider.
(6) transformer oil transfer system of the present invention vacuumized using vavuum pump, first connecting tube it is another
One end is installed on the top of the conservator.The other end of second connecting tube or the other end peace of the radiator connection
Top loaded on the radiator.By this design, the transformation in transformer oil and conservator that can not be in by radiator
The influence of device oil self gravitation, the operation vacuumized to conservator or radiator of being more convenient for.
(7) transformer oil transfer system of the present invention vacuumized using vavuum pump, first connecting tube it is another
One end, with being fastenedly connected positioned at the occipitoparietal oil extraction valve of the oil.The other end of second connecting tube or the radiating
The other end of device connecting tube, it is fastenedly connected with the drain tap at the top of the radiator.Either oil extraction valve is still arranged
Air valve, all it is that transformer possesses in itself, can be achieved to vacuumize the sealing of module and transformer without adding other interfaces
Connection, simple operation, and transformer will not be caused to damage.
Brief description of the drawings
In order that present disclosure is more likely to be clearly understood, specific embodiment and combination below according to the present invention
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is that the structure that transformer oil in casing is discharged when background of invention part needs to overhaul casing is shown
It is intended to；
Fig. 2 is the knot that transformer oil in radiator is discharged when background of invention part needs to overhaul radiator
Structure schematic diagram；
Fig. 3 is the structural representation of the transformer oil transfer system vacuumized described in embodiment 1 using vavuum pump；
Fig. 4 is the structural representation of the transformer oil transfer system vacuumized described in embodiment 2 using vavuum pump.
Reference is expressed as in figure：1- vacuumizes module, 2- transformers, 3- Oil Tanks, 4- oil filters, 11- vacuum means
Put, 12- connecting tubes, 13- control valves, 11a- radiator vacuum extractors, 12a- radiator connections, the control of 13a- radiators
Valve, 21- casings, 22- conservators, 23- radiators, 31- connection valves, 111- vavuum pumps, 112- knockout drums, 111a- second are true
Empty pump, the knockout drums of 112a- second, the connecting tubes of 121- second, the connecting tubes of 122- second, the control valves of 131- first, 132- second
Control valve, the oil pipes of 211- first, the butterfly valves of 212- first, the butterfly valves of 213- second, 214- bottoms valve, the oil pipes of 215- second,
The oil pipes of 216- the 3rd.
Embodiment
Embodiment 1
A kind of transformer oil transfer system vacuumized using vavuum pump is present embodiments provided, as shown in figure 3, including taking out
Vacuum module 1 and transformer 2.
The transformer 2, including casing 21, conservator 22 and radiator 23, lead between the casing 21 and the conservator 22
The first oil pipe 211 is crossed to connect；The casing 21 is connected by the second oil pipe 215 and the 3rd oil pipe 216 with the radiator 23, institute
State and the first butterfly valve 212 is provided with the second oil pipe 215, the second butterfly valve 213 is provided with the 3rd oil pipe 216, by described
Whether connected between casing 21 and the radiator 23 described in the open and close controlling of first butterfly valve 212 and second butterfly valve 213.
It is described to vacuumize module 1, including vacuum extractor 11, connecting tube 12 and control valve 13.
The connecting tube 12, including the first connecting tube 121, its one end connects with the vacuum extractor 11 sealing, another
End connects with the conservator 22 sealing.
The control valve 13, including the first control valve 131, are arranged in first connecting tube 121, for controlling
Whether connected between the vacuum extractor 11 and the conservator 22.
When the radiator 23 needs maintenance, open first control valve 131 so that the vacuum extractor 11 with
Connected between the conservator 22, close first butterfly valve 212, open second butterfly valve 213, it is described by this set
After vacuum extractor 11 is opened, the conservator 22 vacuumizes to form subnormal ambient with the interface of vacuum extractor 11, described
Transformer oil in radiator 23 can flow through second butterfly valve 213 and be transferred to the conservator 22 by the 3rd oil pipe 216
In the casing 21, it is easy to overhaul the radiator 23；After maintenance terminates, the vacuum extractor 11 is closed successively
Negative pressure is released with first control valve 131, opens the first butterfly valve 212 afterwards so that air pressure and conservator in radiator 23
22 is equal with the air pressure in casing 21, transformer oil by the second butterfly valve 213 can natural back flow to the radiator 23.
The transformer oil transfer system for using vavuum pump to vacuumize compared to prior art, described in the present embodiment, by transformation
The body of device 2 makes the conservator 22 of transformer 2 by vacuum extractor 11 and connected with it together with vacuumizing the perfect adaptation of module 1
Logical casing 21 is in negative pressure state so that the transformer oil in radiator 23 is transferred in conservator 22 and casing 21, institute
State radiator 23 and be in oil-free or few oil condition, be easy to overhaul the radiator 23, after maintenance terminates, release negative
Pressure condition, transformer oil are flowed back in radiator 23 again, whole maintenance process, and maintenance process is stored without using the Oil Tank 3 of outside
The transformer oil of middle discharge, transformer oil can make radiator 23 be in oil-free or few oil by transformer 2 from internal transfer
State, it is easy to overhaul it, and avoids the secondary pollution to transformer oil, operation is also more convenient, saves maintenance
Time, reduce maintenance cost.
As a preferred embodiment, the transformer oil vacuumized using vavuum pump the transfer system described in the present embodiment
System, the connecting tube 12, in addition to the second connecting tube 122, its one end connect with the vacuum extractor 11 sealing, the other end and
The sealing of radiator 23 connection.
The control valve 13, in addition to the second control valve 132, are arranged in second connecting tube 122, for controlling
Make and whether connected between the vacuum extractor 11 and the radiator 23.
When radiator 23 needs maintenance, second control valve 132 is closed, opens first control valve 131,
So that being connected between the vacuum extractor 11 and the conservator 22, first butterfly valve 212 is closed, opens second butterfly valve
213, you can the transformer oil in the radiator 23 is flowed through second butterfly valve 213 and be transferred in conservator 22 and casing 21,
Now, the radiator 23 is in oil-free or few oil condition, easy access；When the casing 21 needs maintenance, institute is closed
The first control valve 131 is stated, opens second control valve 132 so that the vacuum extractor 11 and the radiator 23
Between connect, close first butterfly valve 212, open second butterfly valve 213, you can make the transformer oil in the casing 21
Flow through second butterfly valve 213 to be transferred in the radiator 23, now, the pasta of the casing 21 declines, and is easy to enter it
Row maintenance.Therefore, the transformer oil transfer system vacuumized using vavuum pump described in the present embodiment, i.e., suitable for transformer tank
Body needs situation about overhauling, and is applicable to the situation that transformer radiator needs to overhaul again, and the scope of application is wider.
As a preferred embodiment, the transformer oil vacuumized using vavuum pump the transfer system described in the present embodiment
System, the vacuum extractor 11, including interconnected vavuum pump 111 and knockout drum 112；The one of first connecting tube 121
End and one end of second connecting tube 122 connect with the port sealing of the knockout drum 112.
The transformer oil transfer system vacuumized using vavuum pump described in the present embodiment, by from band knockout drum 112
Vacuum extractor 11, the gas of the outlet band of vavuum pump 111 can be dried, avoid corrosion of the vapor to transformer 2.
As a preferred embodiment, the transformer oil vacuumized using vavuum pump the transfer system described in the present embodiment
System, one end of one end of first connecting tube 121 and second connecting tube 122 and the port of the knockout drum 112 it
Between pass through tee pipe coupling sealing connection.
Because tee pipe coupling has the connector of three connections, first connecting tube 121 can be very easily realized
Sealing connection between the port of one end, one end of second connecting tube 122 and the knockout drum 112.The T joint
The material selection resistant material of head, such as the material such as stainless steel, PVC.
Embodiment 2
On the basis of embodiment 1, the transformer oil transfer system vacuumized using vavuum pump described in the present embodiment, such as
It is described to vacuumize module 1 as another optional embodiment shown in Fig. 4, in addition to radiator vacuum extractor 11a, dissipate
Hot device connecting tube 12a and radiator control valve 13a.
The radiator connection 12a, its one end and the radiator vacuum extractor 11a sealing connects, the other end and
The sealing of radiator 23 connection.
The radiator control valve 13a is arranged on the radiator connection 12a, for controlling the radiator to take out
Whether connected between vacuum plant 11a and the radiator 23.
As a preferred embodiment, the transformer oil vacuumized using vavuum pump the transfer system described in the present embodiment
System, the radiator vacuum extractor 11a, including interconnected the second vavuum pump 111a and the second knockout drum 112a；It is described
Radiator connection 12a one end, it is connected with the port of the second knockout drum 112a.
Therefore, the transformer oil transfer system vacuumized using vavuum pump described in the present embodiment, it is described to vacuumize module 1
Including two sets of vacuum extractors, i.e. vacuum extractor 11 and radiator vacuum extractor 11a；Two connecting tubes, i.e., with vacuumizing
The first connecting tube 121 that device 11 is used cooperatively and the radiator connection being used cooperatively with radiator vacuum extractor 11a
12a；Two control valves, that is, the first control valve 131 being arranged in the first connecting tube 121 and be arranged at radiator connection
Radiator control valve 13a on 12a.First control valve 131 is used to control between vacuum extractor 11 and conservator 22
Whether connect, the radiator control valve 13a, for control between radiator vacuum extractor 11a and radiator 23 whether
Connection.By this design, the transformer oil transfer system vacuumized using vavuum pump described in the present embodiment, that is, it is applied to become
Depressor casing needs situation about overhauling, and is applied to the situation that transformer radiator needs to overhaul again, and the scope of application is wider.
As a preferred embodiment, the transformer oil vacuumized using vavuum pump the transfer system described in the present embodiment
System, the other end of first connecting tube 121 are installed on the top of the conservator 22.
As a preferred embodiment, the transformer oil vacuumized using vavuum pump the transfer system described in the present embodiment
System, the other end of second connecting tube 122 or the radiator connection 12a other end are installed on the radiator 23
Top.
As another optional embodiment, the transformer oil vacuumized using vavuum pump the transfer described in the present embodiment
System, the other end of first connecting tube 121 are installed on the side of the conservator 22.Second connecting tube 122 it is another
End or the radiator connection 12a other end are installed on the side of the radiator 23.
By this design, the transformer oil transfer system vacuumized using vavuum pump described in the present embodiment can not
The transformer oil self gravitation in transformer oil and conservator 22 in by radiator 23 is influenceed, and is more convenient for conservator or is dissipated
The operation that hot device is vacuumized.
As a preferred embodiment, the transformer oil vacuumized using vavuum pump the transfer system described in the present embodiment
System, the other end of first connecting tube 121, it is fastenedly connected with the oil extraction valve positioned at the top of conservator 22.
As a preferred embodiment, the transformer oil vacuumized using vavuum pump the transfer system described in the present embodiment
System, second connecting tube 122 or the radiator connection 12a other end, and positioned at the top of radiator 23
Drain tap is fastenedly connected.
All it is that transformer 2 possesses in itself, without adding other interfaces because either oil extraction valve or drain tap
It can be achieved to vacuumize the sealed connection of module 1 and transformer 2, simple operation, and transformer 2 will not be caused to damage.
The present embodiment has also listed this and has used the transformer oil transfer system that vavuum pump vacuumizes in capital construction and maintenance work
In two concrete application cases, as described below：
The first situation is during transformer equipment capital construction is installed.When transformer capital construction is installed, transformer 2
Casing 21 is generally adopted by the mode with oil transport, and the oxidation of the internal unit of transformer 2 can be avoided to make moist.But transformer 2 is pacified
The seal for leading to transformer high and low pressure lead outside casing 21, i.e. high and low pressure insulating sleeve (insulator are needed after installing
Pipe) and be fixed on outside casing 21.Traditional mode of operation is expelled to the transformer oil in casing 21 in the Oil Tank 3 of outside
Storage, after the installation of high and low pressure lead fixes, then by oiling equipment, such as oil filter 4, transformer oil is refilled into case
In body 21.Using the transformer oil transfer system vacuumized using vavuum pump described in the present embodiment, after casing 21 is installed,
Radiator 23 and its radiating tube of inside are first installed, is then shut off the first butterfly valve 212, opens the second butterfly valve 213, for only
The transformer oil transfer system vacuumized using vavuum pump of a set of vacuum extractor, first closed in the first connecting tube 121
Control valve 131, open the second control valve 132 in the second connecting tube 122；For there is the use of two sets of vacuum extractors true
The transformer oil transfer system of empty pumping vacuum, the first control valve 131 closed in connecting tube 12, open radiator connection
Radiator control valve 13a on 12a, no matter which kind of mode, can make to connect between vacuum extractor and radiator 23, open
Dynamic vacuum means postpone, and radiator 23 is in negative pressure state, and the transformer oil in casing 21 flows through by the 3rd oil pipe 216
Two butterfly valves 213, are transferred in radiator 23, and pasta drops in casing 21 when exposing height, voltage lead wires, you can carries out corresponding
Operation, high and low pressure lead is led into the outside of casing 21 and fixed by high and low pressure insulating sleeve (porcelain bushing shell).Installation terminates
Afterwards, vacuum extractor, the second control valve 132 or radiator control valve 13a are closed successively, open the first butterfly valve 212, solution
After negative pressure state, transformer oil will be back flowed back into casing 21 due to the effect of gravity.Whole process, it is not necessary to transport
With use outside Oil Tank and oil storage, the oiling equipment such as oil filter, manpower and materials are saved, especially suitable for underground station and operation
Incomprehensive place.
Second of situation is during the device maintenance after transformer equipment puts into operation and defect elimination work.Now only
Enumerating casing 21 needs maintenance or the concrete operations of defect elimination.Those skilled in the art know about, between casing 21 and conservator 22
Connected by the first oil pipe 211, oil pipe control valve is also equipped with first oil pipe 211, to control casing 21 and conservator
Whether connected between 22.When casing 21 and radiator 23 are each filled with transformer oil, the first butterfly valve 212 and the first oil are first turned on
Oil pipe control valve on pipe 211；For only having the transformer oil vacuumized using vavuum pump of a set of vacuum extractor to shift
System, the second control valve 132 closed in the second connecting tube 122, open the first control valve 131 in the first connecting tube；
For there is the transformer oil transfer system vacuumized using vavuum pump of two sets of vacuum extractors, radiator connection 12a is closed
On radiator control valve 13a, open connecting tube 12 on the first control valve 131；No matter which kind of mode, can make to take out
Connected between vacuum plant and conservator 22, start vacuum means and postpone, conservator 22 is in negative pressure state, the transformation in radiator 23
Device oil is transferred in conservator 22 by the first oil pipe 211, and after conservator 22 is full of, the oil pipe closed on the first oil pipe 211 controls
Valve；Afterwards, the first butterfly valve 212 is closed, opens the second butterfly valve 213；For there was only the use vavuum pump of a set of vacuum extractor
The transformer oil transfer system vacuumized, the first control valve 131 closed in the first connecting tube 121, open the second connecting tube
The second control valve 132 on 122；System is shifted for the transformer oil vacuumized using vavuum pump for there are two sets of vacuum extractors
System, the first control valve 131 closed in connecting tube 12, open the radiator control valve 13a on radiator connection 12a；
No matter which kind of mode, can make to connect between vacuum extractor and radiator 23, make not connect between conservator 22 and casing 21,
Make to connect between radiator 23 and casing 21.Start vacuum means to postpone, radiator 23 is in negative pressure state, the change in casing 21
Depressor oil is flowed through the second butterfly valve 213, is transferred in radiator 23 by the 3rd oil pipe 216, and the pasta of casing 21 declines, can be with
Corresponding device maintenance or defect elimination work are carried out to casing 21.After maintenance terminates, vacuum extractor, the second control are closed successively
Valve 132 or radiator control valve 13a, the first butterfly valve 212 is opened, after releasing negative pressure state, transformer oil will be due to
The effect of gravity, back flow back into casing 21.Whole process, transformer oil are all in the inner loop of transformer 2, without being expelled to
Outside Oil Tank 3, avoids the secondary pollution to transformer oil, simplifies maintenance step, save maintenance cost, shorten dimension
Repair the time.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (7)
1. a kind of transformer oil transfer system vacuumized using vavuum pump, it is characterised in that including vacuumizing module (1) and becoming
Depressor (2)；
The transformer (2), including casing (21), conservator (22) and radiator (23), the casing (21) and the conservator
(22) connected between by the first oil pipe (211)；The casing (21) passes through the second oil pipe (215) and the 3rd oil pipe (216) and institute
Radiator (23) connection is stated, the first butterfly valve (212) is provided with second oil pipe (215), is set on the 3rd oil pipe (216)
The second butterfly valve (213) is equipped with, passes through casing described in the open and close controlling of first butterfly valve (212) and second butterfly valve (213)
(21) whether connected between the radiator (23)；
It is described to vacuumize module (1), including vacuum extractor (11), connecting tube (12) and control valve (13), and described take out
Vacuum plant (11), including interconnected vavuum pump (111) and knockout drum (112)；
The connecting tube (12), including the first connecting tube (121), its one end connect with the vacuum extractor (11) sealing, separately
One end connects with the conservator (22) sealing；
The control valve (13), including the first control valve (131), it is arranged on first connecting tube (121), for controlling
Make and whether connected between the vacuum extractor (11) and the conservator (22)；
The connecting tube (12), in addition to the second connecting tube (122), its one end connect with the vacuum extractor (11) sealing,
The other end connects with the radiator (23) sealing；
The control valve (13), in addition to the second control valve (132), it is arranged on second connecting tube (122), is used for
Control and whether connected between the vacuum extractor (11) and the radiator (23).
2. the transformer oil transfer system according to claim 1 vacuumized using vavuum pump, it is characterised in that：
It is described to vacuumize module (1), in addition to radiator vacuum extractor (11a), radiator connection (12a) and radiator
Control valve (13a)；
The radiator connection (12a), the sealing of its one end and the radiator vacuum extractor (11a) connects, the other end and
Radiator (23) the sealing connection；
The radiator control valve (13a) is arranged in the radiator connection (12a), for controlling the radiator to take out
Whether connected between vacuum plant (11a) and the radiator (23).
3. the transformer oil transfer system according to claim 2 vacuumized using vavuum pump, it is characterised in that：
The radiator vacuum extractor (11a), including interconnected the second vavuum pump (111a) and the second knockout drum
(112a)；One end of the radiator connection (12a), it is connected with the port of second knockout drum (112a).
4. according to any described transformer oil transfer systems vacuumized using vavuum pump of claim 1-3, it is characterised in that：
The other end of first connecting tube (121) is installed on the top of the conservator (22).
5. the transformer oil transfer system according to claim 4 vacuumized using vavuum pump, it is characterised in that：
The other end of first connecting tube (121), is fastenedly connected with the oil extraction valve at the top of the conservator (22).
6. the transformer oil transfer system according to claim 1 vacuumized using vavuum pump, it is characterised in that：
The other end of second connecting tube (122) is installed on the top of the radiator (23).
7. the transformer oil transfer system according to claim 2 vacuumized using vavuum pump, it is characterised in that：
The other end of the radiator connection (12a) is installed on the top of the radiator (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464246.9A CN105119170B (en) | 2013-11-15 | 2013-11-15 | A kind of transformer oil transfer system vacuumized using vavuum pump |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464246.9A CN105119170B (en) | 2013-11-15 | 2013-11-15 | A kind of transformer oil transfer system vacuumized using vavuum pump |
| CN201310573450.5A CN103680828B (en) | 2013-11-15 | 2013-11-15 | Transformer oil transfer system |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310573450.5A Division CN103680828B (en) | 2013-11-15 | 2013-11-15 | Transformer oil transfer system |
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| Publication Number | Publication Date |
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| CN105119170A CN105119170A (en) | 2015-12-02 |
| CN105119170B true CN105119170B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310573450.5A Active CN103680828B (en) | 2013-11-15 | 2013-11-15 | Transformer oil transfer system |
| CN201510466555.XA Active CN105048320B (en) | 2013-11-15 | 2013-11-15 | Multidirectional transformer oil transfer system |
| CN201510465749.8A Active CN105048319B (en) | 2013-11-15 | 2013-11-15 | Discrete vacuumizes transformer oil transfer system |
| CN201510464246.9A Active CN105119170B (en) | 2013-11-15 | 2013-11-15 | A kind of transformer oil transfer system vacuumized using vavuum pump |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310573450.5A Active CN103680828B (en) | 2013-11-15 | 2013-11-15 | Transformer oil transfer system |
| CN201510466555.XA Active CN105048320B (en) | 2013-11-15 | 2013-11-15 | Multidirectional transformer oil transfer system |
| CN201510465749.8A Active CN105048319B (en) | 2013-11-15 | 2013-11-15 | Discrete vacuumizes transformer oil transfer system |
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| CN103996984B (en) * | 2014-06-11 | 2016-05-11 | 云南电网公司昆明供电局 | A kind of method of the dismounting high-power transformer sleeve pipe of not draining the oil |
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|---|---|---|---|---|
| JPS58176909A (en) * | 1982-04-09 | 1983-10-17 | Toshiba Corp | Water-cooling type oil-filled electric apparatus |
| DD214714A1 (en) * | 1983-04-12 | 1984-10-17 | Halle Energiekombinat | PROCESS FOR LEAK REMOVAL OF TRANSFORMER BOILERS UNDER OIL PRESSURE |
| JPS62248209A (en) * | 1986-04-21 | 1987-10-29 | Toshiba Corp | Conservator device of oil-immersed transformer |
| DE4446204C1 (en) * | 1994-05-18 | 1996-02-08 | Hedrich Vakuumanlagen Wilhelm | Drying of absorbent electrical insulation material with emphasis on continuously effective operation |
| JPH09266117A (en) * | 1996-03-28 | 1997-10-07 | Toshiba Fa Syst Eng Kk | Oil-immersed electric machine and oiling method for oil-immersed electric machine |
| CZ292922B6 (en) * | 2001-07-23 | 2004-01-14 | Josef Ing. Altmann | Device for reducing contamination of transformer charges with gases and water |
| CN1262326C (en) * | 2002-02-28 | 2006-07-05 | 威廉·海德里希真空设备两合公司 | Preparing device for transformer |
| US7409849B2 (en) * | 2003-11-22 | 2008-08-12 | Filmax, Inc. | Oil filtration system for plural phase power equipment tanks |
| CN101714449A (en) * | 2008-10-08 | 2010-05-26 | 国网运行有限公司上海超高压管理处 | Transformer accessory replacing method |
| CN101604571B (en) * | 2009-04-15 | 2012-05-16 | 青海送变电工程公司 | Totally-closed transformer oil treatment system |
| CN101615485B (en) * | 2009-04-28 | 2011-02-16 | 湖北省输变电工程公司 | Full seal processing method of transformer oil and device thereof |
| CN201789220U (en) * | 2010-08-19 | 2011-04-06 | 河南省电力公司郑州供电公司 | Large-sized transformer vacuum oil extraction device allowing accessory replacement without oil drainage |
| CN101931175B (en) * | 2010-08-19 | 2012-10-17 | 河南省电力公司郑州供电公司 | Method for replacing accessory of large transformer without discharging oil by vacuum oil extraction |
| CN101944420A (en) * | 2010-09-14 | 2011-01-12 | 保定天威集团有限公司 | Transformer integral vacuum oiling device and method |
| CN102034591B (en) * | 2010-10-29 | 2012-11-28 | 山东鲁能泰山电力设备有限公司 | Device and method for injecting oil into transformer under vacuum condition |
| CN203444920U (en) * | 2013-11-15 | 2014-02-19 | 国网山东省电力公司青岛供电公司 | Transformer oil transfer system |
-
2013
- 2013-11-15 CN CN201310573450.5A patent/CN103680828B/en active Active
- 2013-11-15 CN CN201510466555.XA patent/CN105048320B/en active Active
- 2013-11-15 CN CN201510465749.8A patent/CN105048319B/en active Active
- 2013-11-15 CN CN201510464246.9A patent/CN105119170B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105048320B (en) | 2017-10-13 |
| CN105048319A (en) | 2015-11-11 |
| CN103680828B (en) | 2015-12-16 |
| CN105119170A (en) | 2015-12-02 |
| CN103680828A (en) | 2014-03-26 |
| CN105048319B (en) | 2018-01-12 |
| CN105048320A (en) | 2015-11-11 |
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