CN105048320A - Multi-directional transformer oil transfer system - Google Patents
Multi-directional transformer oil transfer system Download PDFInfo
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- CN105048320A CN105048320A CN201510466555.XA CN201510466555A CN105048320A CN 105048320 A CN105048320 A CN 105048320A CN 201510466555 A CN201510466555 A CN 201510466555A CN 105048320 A CN105048320 A CN 105048320A
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Abstract
The invention relates to a multi-directional transformer oil transfer system, which comprises a vacuum supply module and a transformer, wherein the vacuum supply module comprises a vacuum supply device, a connecting pipe and a control valve; the connecting pipe comprises a first connecting pipe; one end of the first connecting pipe is tightly communicated with the vacuum supply device; the other end of the first connecting pipe is tightly communicated with an expansion tank of the transformer; the control valve comprises a first control valve; and the first control valve is arranged on the first connecting pipe and is used for controlling whether the vacuum supply device is communicated with the expansion tank or not. According to the multi-directional transformer oil transfer system provided by the invention, the transformer is perfectly combined with the vacuum supply device; through the vacuum supply device, the expansion tank of the transformer and a tank body which is connected with the expansion tank are in a negative pressure state; the transformer oil in a radiator is transferred into the expansion tank and the tank body; after overhauling is ended, the negative pressure state is relieved; the transformer oil flows back to the radiator; in the whole overhauling process, the transformer oil is capable of enabling the radiator to be in an oilless or low-oil state through transferring; and secondary pollution to the transformer oil is avoided.
Description
Technical field
The present invention relates to a kind of multidirectional transformer oil transfer system.Specifically one is applicable in Repair of Transformer process, to the system that transformer oil shifts.
Background technology
The effect of transformer in electric power system is voltage of transformation, is beneficial to the transmission of power.Voltage, after step-up transformer boosting, can reduce line loss, improves the economy of power transmission, reaches the object of remote power transmission.Step-down transformer then the at different levels use voltages of high-voltage variable required for user, can meet the needs of different user.Transformer forms primarily of casing, insulating sleeve, conservator, radiator, iron core and winding.Transformer-cabinet (i.e. fuel tank) is inner fills transformer oil, and iron core and winding are immersed in transformer oil.There is conservator on fuel tank top, be communicated with casing by the first oil pipe.Casing is circumscribed with radiator, arranges many radiating tubes in radiator, is communicated with the 3rd oil pipe by the second oil pipe with radiator.Second oil pipe is provided with the first butterfly valve, the 3rd oil pipe is provided with the second butterfly valve, whether be communicated with between radiator with the open and close controlling casing of the second butterfly valve by the first butterfly valve.The heat energy that operating iron core and winding produce makes transformer oil temperature raise, the transformer oil density that temperature is high is less, rise and enter radiating tube, transformer oil temperature after radiating tube internal circulation flow reduces, density increases, decline in radiating tube and reenter casing, therefore, the heat of iron core and winding can be distributed by the natural circulation of transformer oil.
Along with the sustained and rapid development of national economy, China's power industry presents the trend of sustained and rapid development, and the application of various high-power transformer also gets more and more.In use, high-power transformer there will be local damage, needs to change corresponding accessory.Common way as shown in Figure 1 and Figure 2.Fig. 1 for be transformer-cabinet 21 need maintenance situation.Traditional way is: close the first butterfly valve 212 and the second butterfly valve 213, open the bottom valve 214 be positioned at bottom casing 21 and the connection valve 31 be communicated with outside Oil Tank 3 afterwards, transformer oil in casing 21 is flowed out through bottom valve 214, after through oil filter 4 be communicated with valve 31 and flow in Oil Tank 3.When casing 21 oil level drops to the bottom of manhole flange, close bottom valve 214, oil filter 4 successively and be communicated with valve 31, can overhaul casing 21, changing the annex damaged.After treating that casing 21 overhauls, open bottom valve 214, oil filter 4 successively and be communicated with valve 31, transformer oil being back to casing 21, finally opening the first butterfly valve 212 and the second butterfly valve 213, complete whole work flow.Fig. 2 for be radiator 23 need maintenance situation.Traditional way is: open the vent valve being positioned at radiator 23 top, the connection valve 31 opened the draining valve bottom radiator 23 afterwards successively and be communicated with outside Oil Tank 3, by the draining valve bottom radiator 23, oil filter 4 be communicated with valve 31, transformer oil in radiator 23 is flow in Oil Tank 3, radiator 23 is in without oil condition.After treating that radiator 23 overhauls, transformer oil is injected radiator 23 by oil filter 4, close vent valve and draining valve afterwards, complete whole work flow.But above-mentioned two kinds of maintenance processes, all need transformer oil to be put into outside Oil Tank 3 and store, easily cause the secondary pollution of transformer oil, whole process operation is complicated, and the repair time is long.
Summary of the invention
For this reason, technical problem to be solved by this invention is in prior art, in Repair of Transformer process, the transformer oil of its inside need be put into outside Oil Tank storage, easily cause the secondary pollution of transformer oil, thus provide a kind of without the need to using outside Oil Tank, can to the multidirectional transformer oil transfer system that transformer oil shifts in maintenance process.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
The invention provides a kind of multidirectional transformer oil transfer system, comprise and vacuumize module and transformer;
Described transformer, comprises casing, conservator and radiator, is communicated with between described casing with described conservator by the first oil pipe; Described casing is communicated with described radiator with the 3rd oil pipe by the second oil pipe, described second oil pipe is provided with the first butterfly valve, described 3rd oil pipe is provided with the second butterfly valve, whether is communicated with between casing with described radiator with described in the open and close controlling of described second butterfly valve by described first butterfly valve;
Describedly vacuumize module, comprise vacuum extractor, tube connector and by-pass valve control;
Described tube connector, comprises the first tube connector, and its one end seals with described vacuum extractor and is communicated with, and the other end seals with described conservator and is communicated with;
Whether described by-pass valve control, comprises the first by-pass valve control, is arranged on described first tube connector, be communicated with between described vacuum extractor with described conservator for controlling.
Multidirectional transformer oil transfer system of the present invention, described tube connector, also comprises the second tube connector, and its one end seals with described vacuum extractor and is communicated with, and the other end seals with described radiator and is communicated with;
Whether described by-pass valve control, also comprises the second by-pass valve control, is arranged on described second tube connector, be communicated with between described vacuum extractor with described radiator for controlling.
Multidirectional transformer oil transfer system of the present invention, described vacuum extractor, comprises the vacuum pump and knockout drum that are interconnected; One end of described first tube connector and one end of described second tube connector are communicated with the port sealing of described knockout drum.
Multidirectional transformer oil transfer system of the present invention, one end of described first tube connector and being sealed by tee pipe coupling between one end of described second tube connector and the port of described knockout drum is communicated with.
Multidirectional transformer oil transfer system of the present invention, described in vacuumize module, also comprise radiator vacuum extractor, radiator connection and radiator by-pass valve control;
Described radiator connection, its one end seals with described radiator vacuum extractor and is communicated with, and the other end seals with described radiator and is communicated with;
Whether described radiator by-pass valve control is arranged in described radiator connection, be communicated with between described radiator for controlling described radiator vacuum extractor.
Multidirectional transformer oil transfer system of the present invention, described radiator vacuum extractor, comprises the second vacuum pump and the second knockout drum that are interconnected; One end of described radiator connection, is connected with the port of described second knockout drum.
Multidirectional transformer oil transfer system of the present invention, the other end of described first tube connector is installed on the top of described conservator.
Multidirectional transformer oil transfer system of the present invention, the other end of described first tube connector, and is positioned at the occipitoparietal oil extraction valve of described oil and is fastenedly connected.
Multidirectional transformer oil transfer system of the present invention, the other end of described second tube connector or the other end of described radiator connection are installed on the top of described radiator.
Multidirectional transformer oil transfer system of the present invention, the other end of described second tube connector or described radiator connection, is fastenedly connected with the drain tap being positioned at described radiator top.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) multidirectional transformer oil transfer system of the present invention, comprises and vacuumizes module and transformer; Described transformer is common transformer, comprises casing, conservator and radiator, is communicated with between described casing with described conservator by the first oil pipe, and described casing is communicated with radiator with the 3rd oil pipe by the second oil pipe.Second oil pipe is provided with the first butterfly valve, the 3rd oil pipe is provided with the second butterfly valve, whether be communicated with between radiator with the open and close controlling casing of the second butterfly valve by the first butterfly valve.The described module that vacuumizes comprises vacuum extractor, tube connector and by-pass valve control; Described tube connector, comprises the first tube connector, and its one end seals with described vacuum extractor and is communicated with, and the other end seals with described conservator and is communicated with; Whether described by-pass valve control, comprises the first by-pass valve control, is arranged on described tube connector, be communicated with between described vacuum extractor with described conservator for controlling.When radiator needs to overhaul, open described first by-pass valve control, close described first butterfly valve, open described second butterfly valve; After described vacuum extractor is opened, described conservator and described vacuum extractor interface vacuumize formation subnormal ambient, transformer oil in described radiator can pass through described 3rd oil pipe, flow through described second butterfly valve to be transferred in described conservator and described casing, be convenient to overhaul described radiator; After maintenance terminates, close described vacuum extractor and described first by-pass valve control releasing negative pressure successively, open the first butterfly valve afterwards, make transformer oil by the second butterfly valve natural back flow to described radiator.Compared to prior art, multidirectional transformer oil transfer system of the present invention, by transformer body with vacuumize together with module perfect adaptation, the casing making the conservator of transformer by vacuum extractor and be communicated with it is in negative pressure state, the transformer oil being arranged in radiator is made to be transferred to conservator and casing, namely described radiator is in without oil or few oil condition, be convenient to overhaul described radiator, after maintenance terminates, remove negative pressure state, transformer oil flows back to again in radiator, whole maintenance process, the transformer oil of discharging in maintenance process is stored without the need to using outside Oil Tank, transformer oil can make radiator be in without oil or few oil condition by the transfer in autologous, be convenient to overhaul it, avoid the secondary pollution to transformer oil, it is also more convenient to operate, save the repair time, reduce maintenance cost.
(2) multidirectional transformer oil transfer system of the present invention, described tube connector, also comprises the second tube connector, and its one end seals with described vacuum extractor and is communicated with, and the other end seals with described radiator and is communicated with; Whether described by-pass valve control, also comprises the second by-pass valve control, is arranged on described second tube connector, be communicated with between described vacuum extractor with described radiator for controlling.When radiator needs maintenance, close described second by-pass valve control, open described first by-pass valve control, close described first butterfly valve, open described second butterfly valve, the transformer oil in described radiator can be made to flow through described second butterfly valve and be transferred in conservator and casing, now, described radiator is in without oil or few oil condition, easy access; When described casing needs maintenance, close described first by-pass valve control, open described second by-pass valve control, close described first butterfly valve, open described second butterfly valve, the transformer oil in described casing can be made to flow through described second butterfly valve and be transferred in described radiator, now, the pasta of described casing declines, easy access.Therefore, multidirectional transformer oil transfer system of the present invention, is namely applicable to the situation that transformer-cabinet needs maintenance, and be applicable to again the situation that transformer radiator needs maintenance, the scope of application is wider.
(3) multidirectional transformer oil transfer system of the present invention, described vacuum extractor comprises the vacuum pump and knockout drum that are interconnected, and one end of described first tube connector and one end of described second tube connector are connected with the port of described knockout drum.By selecting the vacuum extractor of band knockout drum, drying can be carried out to the gas that vacuum pump goes out the band of gas, avoiding steam to the corrosion of transformer.
(4) multidirectional transformer oil transfer system of the present invention, one end of described first tube connector and being sealed by tee pipe coupling between one end of described second tube connector and the port of described knockout drum is communicated with.Because tee pipe coupling has three connectors be communicated with, the sealing that can realize very easily between one end of described first tube connector, one end of described second tube connector and the port of described knockout drum is communicated with.
(5) as another kind of optional execution mode, multidirectional transformer oil transfer system of the present invention, described in vacuumize module comprise two cover vacuum extractors, two respectively with corresponding vacuum extractor with the use of tube connector and two by-pass valve controls be arranged at respectively on described tube connector.Wherein the other end of a tube connector seals with described conservator and is communicated with, and the other end of another tube connector seals with described radiator and is communicated with.By this design, multidirectional transformer oil transfer system of the present invention, is namely applicable to the situation that transformer-cabinet needs maintenance, and be applicable to again the situation that transformer radiator needs maintenance, the scope of application is wider.
(6) multidirectional transformer oil transfer system of the present invention, the other end of described first tube connector is installed on the top of described conservator.The other end of described second tube connector or the other end of described radiator connection are installed on the top of described radiator.By this design, the impact of the transformer oil in radiator and the transformer oil self gravitation in conservator can not be subject to, the operation that conservator or radiator are vacuumized of being more convenient for.
(7) multidirectional transformer oil transfer system of the present invention, the other end of described first tube connector, and is positioned at the occipitoparietal oil extraction valve of described oil and is fastenedly connected.The other end of described second tube connector or the other end of described radiator connection, be fastenedly connected with the drain tap being positioned at described radiator top.No matter being oil extraction valve or drain tap, is all that transformer itself possesses, and can realize vacuumizing being tightly connected of module and transformer, simple operation, and can not cause damage to transformer without the need to adding other interface.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation that background technology part of the present invention discharges transformer oil in casing when needing to overhaul casing;
Fig. 2 is the structural representation that background technology part of the present invention discharges transformer oil in radiator when needing to overhaul radiator;
Fig. 3 is the structural representation of multidirectional transformer oil transfer system described in embodiment 1;
Fig. 4 is the structural representation of multidirectional transformer oil transfer system described in embodiment 2.
In figure, Reference numeral is expressed as: 1-vacuumizes module, 2-transformer, 3-Oil Tank, 4-oil filter, 11-vacuum extractor, 12-tube connector, 13-by-pass valve control, 11a-radiator vacuum extractor, 12a-radiator connection, 13a-radiator by-pass valve control, 21-casing, 22-conservator, 23-radiator, 31-is communicated with valve, 111-vacuum pump, 112-knockout drum, 111a-second vacuum pump, 112a-second knockout drum, 121-second tube connector, 122-second tube connector, 131-first by-pass valve control, 132-second by-pass valve control, 211-first oil pipe, 212-first butterfly valve, 213-second butterfly valve, 214-bottom valve, 215-second oil pipe, 216-the 3rd oil pipe.
Embodiment
Embodiment 1
Present embodiments provide a kind of multidirectional transformer oil transfer system, as shown in Figure 3, comprise and vacuumize module 1 and transformer 2.
Described transformer 2, comprises casing 21, conservator 22 and radiator 23, is communicated with between described casing 21 with described conservator 22 by the first oil pipe 211; Described casing 21 is communicated with described radiator 23 with the 3rd oil pipe 216 by the second oil pipe 215, described second oil pipe 215 is provided with the first butterfly valve 212, described 3rd oil pipe 216 is provided with the second butterfly valve 213, whether is communicated with between casing 21 with described radiator 23 with described in the open and close controlling of described second butterfly valve 213 by described first butterfly valve 212.
Describedly vacuumize module 1, comprise vacuum extractor 11, tube connector 12 and by-pass valve control 13.
Described tube connector 12, comprises the first tube connector 121, and its one end seals with described vacuum extractor 11 and is communicated with, and the other end seals with described conservator 22 and is communicated with.
Whether described by-pass valve control 13, comprises the first by-pass valve control 131, is arranged on described first tube connector 121, be communicated with between described vacuum extractor 11 with described conservator 22 for controlling.
When described radiator 23 needs to overhaul, open described first by-pass valve control 131, make to be communicated with between described vacuum extractor 11 with described conservator 22, close described first butterfly valve 212, open described second butterfly valve 213, pass through this set, after described vacuum extractor 11 is opened, described conservator 22 vacuumizes formation subnormal ambient with described vacuum extractor 11 interface, transformer oil in described radiator 23 can pass through described 3rd oil pipe 216, flowing through described second butterfly valve 213 is transferred in described conservator 22 and described casing 21, be convenient to overhaul described radiator 23, after maintenance terminates, close described vacuum extractor 11 successively and described first by-pass valve control 131 removes negative pressure, open the first butterfly valve 212 afterwards, make the air pressure in radiator 23 equal with the air pressure in conservator 22 and casing 21, transformer oil can natural back flow extremely described radiator 23 by the second butterfly valve 213.
Compared to prior art, multidirectional transformer oil transfer system described in the present embodiment, by transformer 2 body with vacuumize together with module 1 perfect adaptation, the conservator 22 of transformer 2 and the casing 21 that is communicated with it is made to be in negative pressure state by vacuum extractor 11, the transformer oil being arranged in radiator 23 is made to be transferred to conservator 22 and casing 21, namely described radiator 23 is in without oil or few oil condition, be convenient to overhaul described radiator 23, after maintenance terminates, remove negative pressure state, transformer oil flows back to again in radiator 23, whole maintenance process, the transformer oil of discharging in maintenance process is stored without the need to using outside Oil Tank 3, transfer in transformer oil is autologous by transformer 2 can make radiator 23 be in without oil or few oil condition, be convenient to overhaul it, and the secondary pollution avoided transformer oil, it is also more convenient to operate, save the repair time, reduce maintenance cost.
As one preferred embodiment, the multidirectional transformer oil transfer system described in the present embodiment, described tube connector 12, also comprises the second tube connector 122, and its one end seals with described vacuum extractor 11 and is communicated with, and the other end seals with described radiator 23 and is communicated with.
Whether described by-pass valve control 13, also comprises the second by-pass valve control 132, is arranged on described second tube connector 122, be communicated with between described vacuum extractor 11 with described radiator 23 for controlling.
When radiator 23 needs maintenance, close described second by-pass valve control 132, open described first by-pass valve control 131, make to be communicated with between described vacuum extractor 11 with described conservator 22, close described first butterfly valve 212, open described second butterfly valve 213, the transformer oil in described radiator 23 can be made to flow through described second butterfly valve 213 to be transferred in conservator 22 and casing 21, now, described radiator 23 is in without oil or few oil condition, easy access; When described casing 21 needs maintenance, close described first by-pass valve control 131, open described second by-pass valve control 132, make to be communicated with between described vacuum extractor 11 with described radiator 23, close described first butterfly valve 212, open described second butterfly valve 213, the transformer oil in described casing 21 can be made to flow through described second butterfly valve 213 to be transferred in described radiator 23, now, the pasta of described casing 21 declines, and is convenient to overhaul it.Therefore, the multidirectional transformer oil transfer system described in the present embodiment, is namely applicable to the situation that transformer-cabinet needs maintenance, and be applicable to again the situation that transformer radiator needs maintenance, the scope of application is wider.
As one preferred embodiment, the multidirectional transformer oil transfer system described in the present embodiment, described vacuum extractor 11, comprises the vacuum pump 111 and knockout drum 112 that are interconnected; One end of described first tube connector 121 and one end of described second tube connector 122 are communicated with the port sealing of described knockout drum 112.
Multidirectional transformer oil transfer system described in the present embodiment, by selecting the vacuum extractor 11 of band knockout drum 112, can carry out drying to the gas that vacuum pump 111 goes out the band of gas, avoiding steam to the corrosion of transformer 2.
As one preferred embodiment, the multidirectional transformer oil transfer system described in the present embodiment, one end of described first tube connector 121 and being sealed by tee pipe coupling between one end of described second tube connector 122 and the port of described knockout drum 112 is communicated with.
Because tee pipe coupling has three connectors be communicated with, the sealing that can realize very easily between one end of described first tube connector 121, one end of described second tube connector 122 and the port of described knockout drum 112 is communicated with.The material selection resistant material of described tee pipe coupling, the such as material such as stainless steel, PVC.
Embodiment 2
On the basis of embodiment 1, multidirectional transformer oil transfer system described in the present embodiment, as shown in Figure 4, as the optional execution mode of another kind, describedly vacuumize module 1, also comprise radiator vacuum extractor 11a, radiator connection 12a and radiator by-pass valve control 13a.
Described radiator connection 12a, its one end seals with described radiator vacuum extractor 11a and is communicated with, and the other end seals with described radiator 23 and is communicated with.
Whether described radiator by-pass valve control 13a is arranged on described radiator connection 12a, be communicated with between described radiator 23 for controlling described radiator vacuum extractor 11a.
As one preferred embodiment, the multidirectional transformer oil transfer system described in the present embodiment, described radiator vacuum extractor 11a, comprises the second vacuum pump 111a and the second knockout drum 112a that are interconnected; One end of described radiator connection 12a, is connected with the port of described second knockout drum 112a.
Therefore, the multidirectional transformer oil transfer system described in the present embodiment, described in vacuumize module 1 and comprise two cover vacuum extractors, i.e. vacuum extractor 11 and radiator vacuum extractor 11a; Article two, tube connector, namely with vacuum extractor 11 with the use of the first tube connector 121 and with radiator vacuum extractor 11a with the use of radiator connection 12a; Two by-pass valve controls, the radiator by-pass valve control 13a being namely arranged at the first by-pass valve control 131 on the first tube connector 121 and being arranged on radiator connection 12a.Whether whether described first by-pass valve control 131 is communicated with between vacuum extractor 11 with conservator 22 for controlling, described radiator by-pass valve control 13a, be communicated with between radiator 23 for controlling radiator vacuum extractor 11a.By this design, the multidirectional transformer oil transfer system described in the present embodiment, is namely applicable to the situation that transformer-cabinet needs maintenance, and be applicable to again the situation that transformer radiator needs maintenance, the scope of application is wider.
As one preferred embodiment, the multidirectional transformer oil transfer system described in the present embodiment, the other end of described first tube connector 121 is installed on the top of described conservator 22.
As one preferred embodiment, the multidirectional transformer oil transfer system described in the present embodiment, the other end of described second tube connector 122 or the other end of described radiator connection 12a are installed on the top of described radiator 23.
As the optional execution mode of another kind, the multidirectional transformer oil transfer system described in the present embodiment, the other end of described first tube connector 121 is installed on the side of described conservator 22.The other end of described second tube connector 122 or the other end of described radiator connection 12a are installed on the side of described radiator 23.
By this design, the multidirectional transformer oil transfer system described in the present embodiment, can not be subject to the impact of the transformer oil in radiator 23 and the transformer oil self gravitation in conservator 22, the operation vacuumized conservator or radiator of being more convenient for.
As one preferred embodiment, the multidirectional transformer oil transfer system described in the present embodiment, the other end of described first tube connector 121, is fastenedly connected with the oil extraction valve being positioned at described conservator 22 top.
As one preferred embodiment, the multidirectional transformer oil transfer system described in the present embodiment, the other end of described second tube connector 122 or described radiator connection 12a, is fastenedly connected with the drain tap being positioned at described radiator 23 top.
Because no matter be oil extraction valve or drain tap, be all that transformer 2 possesses itself, can realize vacuumizing being tightly connected of module 1 and transformer 2, simple operation without the need to adding other interface, and damage can not be caused to transformer 2.
The present embodiment also lists two the embody rule cases of this multidirectional transformer oil transfer system in capital construction and maintenance work, as described below:
The first situation is in the process of transformer equipment capital construction installation.When transformer capital construction is installed, the mode of band oil transport that what the casing 21 of transformer 2 generally adopted is, can avoid transformer 2 internal unit to be oxidized and make moist.But transformer 2 installs the rear seal needing transformer high and low pressure to cause casing 21 outside, i.e. high and low pressure insulating sleeve (porcelain bushing) to be fixed on casing 21 outside.Traditional mode of operation is expelled to by the transformer oil in casing 21 in outside Oil Tank 3 to store, and after the installation of high and low pressure lead-in wire fixes, then by oiling equipment, such as oil filter 4, refilled by transformer oil in casing 21.Use the multidirectional transformer oil transfer system described in the present embodiment, after installing casing 21, first install the radiating tube of radiator 23 and inside thereof, then the first butterfly valve 212 is closed, open the second butterfly valve 213, for the multidirectional transformer oil transfer system only having a set of vacuum extractor, close the first by-pass valve control 131 on the first tube connector 121, open the second by-pass valve control 132 on the second tube connector 122, for the multidirectional transformer oil transfer system having two cover vacuum extractors, close the first by-pass valve control 131 on tube connector 12, open the radiator by-pass valve control 13a on radiator connection 12a, no matter which kind of mode, can make to be communicated with between vacuum extractor with radiator 23, start vacuum means postpone, radiator 23 is in negative pressure state, transformer oil in casing 21 is by the 3rd oil pipe 216, flow through the second butterfly valve 213, be transferred in radiator 23, in casing 21, pasta drops to and exposes height, during voltage lead wires, can operate accordingly, by height, it is outside also by high that low-voltage lead leads to casing 21, low-voltage insulation sleeve pipe (porcelain bushing) is fixed.After installation terminates, close vacuum extractor successively, the second by-pass valve control 132 or radiator by-pass valve control 13a, open the first butterfly valve 212, and after removing negative pressure state, transformer oil due to the effect of gravity, will flow in casing 21 again.Whole process, does not need to transport and use oil storage, the oiling equipment such as outside Oil Tank and oil filter, saves manpower and materials, is specially adapted to station, underground and the narrow and small place of job area.
The second situation be after transformer equipment puts into operation device maintenance and defect elimination work process in.Only enumerate now the concrete operations that casing 21 needs maintenance or defect elimination.Whether those skilled in the art understand, and are communicated with between casing 21 and conservator 22 by the first oil pipe 211, and described first oil pipe 211 is also provided with oil pipe by-pass valve control, control to be communicated with between casing 21 and conservator 22.When casing 21 and radiator 23 are all full of transformer oil, first open the oil pipe by-pass valve control on the first butterfly valve 212 and the first oil pipe 211; For the multidirectional transformer oil transfer system only having a set of vacuum extractor, close the second by-pass valve control 132 on the second tube connector 122, open the first by-pass valve control 131 on the first tube connector; For the multidirectional transformer oil transfer system having two cover vacuum extractors, close the radiator by-pass valve control 13a on radiator connection 12a, open the first by-pass valve control 131 on tube connector 12; No matter which kind of mode, can make to be communicated with between vacuum extractor with conservator 22, start vacuum means postpone, conservator 22 is in negative pressure state, transformer oil in radiator 23 is transferred in conservator 22 by the first oil pipe 211, after conservator 22 is full of, close the oil pipe by-pass valve control on the first oil pipe 211; Afterwards, close the first butterfly valve 212, open the second butterfly valve 213; For the multidirectional transformer oil transfer system only having a set of vacuum extractor, close the first by-pass valve control 131 on the first tube connector 121, open the second by-pass valve control 132 on the second tube connector 122; For the multidirectional transformer oil transfer system having two cover vacuum extractors, close the first by-pass valve control 131 on tube connector 12, open the radiator by-pass valve control 13a on radiator connection 12a; No matter which kind of mode, can make to be communicated with between vacuum extractor with radiator 23, make not to be communicated with between conservator 22 with casing 21, make to be communicated with between radiator 23 with casing 21.Start vacuum means postpone, radiator 23 is in negative pressure state, and the transformer oil in casing 21 is by the 3rd oil pipe 216, flow through the second butterfly valve 213, be transferred in radiator 23, the pasta of casing 21 declines, and can carry out corresponding device maintenance or defect elimination work to casing 21.After maintenance terminates, close vacuum extractor successively, the second by-pass valve control 132 or radiator by-pass valve control 13a, open the first butterfly valve 212, and after removing negative pressure state, transformer oil due to the effect of gravity, will flow in casing 21 again.Whole process, transformer oil is all in transformer 2 inner loop, without the need to being expelled to outside Oil Tank 3, avoiding the secondary pollution to transformer oil, simplifying maintenance step, save maintenance cost, shorten maintenance time.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (7)
1. a multidirectional transformer oil transfer system, is characterized in that, comprises and vacuumizes module (1) and transformer (2);
Described transformer (2), comprise casing (21), conservator (22) and radiator (23), be communicated with by the first oil pipe (211) between described casing (21) with described conservator (22); Described casing (21) is communicated with described radiator (23) with the 3rd oil pipe (216) by the second oil pipe (215), described second oil pipe (215) is provided with the first butterfly valve (212), described 3rd oil pipe (216) is provided with the second butterfly valve (213), whether is communicated with between casing (21) with described radiator (23) with described in the open and close controlling of described second butterfly valve (213) by described first butterfly valve (212);
Describedly vacuumize module (1), comprise vacuum extractor (11), tube connector (12) and by-pass valve control (13);
Described tube connector (12), comprises the first tube connector (121), and its one end seals with described vacuum extractor (11) and is communicated with, and the other end seals with described conservator (22) and is communicated with;
Described by-pass valve control (13), comprise the first by-pass valve control (131), being arranged on described first tube connector (121), whether being communicated with between described vacuum extractor (11) with described conservator (22) for controlling;
Described tube connector (12), also comprises the second tube connector (122), and its one end seals with described vacuum extractor (11) and is communicated with, and the other end seals with described radiator (23) and is communicated with;
Described by-pass valve control (13), also comprise the second by-pass valve control (132), being arranged on described second tube connector (122), whether being communicated with between described vacuum extractor (11) with described radiator (23) for controlling.
2. multidirectional transformer oil transfer system according to claim 1, is characterized in that:
Described vacuum extractor (11), comprises the vacuum pump (111) and knockout drum (112) that are interconnected; One end of described first tube connector (121) and one end of described second tube connector (122) are communicated with the port sealing of described knockout drum (112).
3. multidirectional transformer oil transfer system according to claim 2, is characterized in that:
One end of described first tube connector (121) and being sealed by tee pipe coupling between one end of described second tube connector (122) and the port of described knockout drum (112) is communicated with.
4., according to the arbitrary described multidirectional transformer oil transfer system of claim 1-3, it is characterized in that:
The other end of described first tube connector (121) is installed on the top of described conservator (22).
5. multidirectional transformer oil transfer system according to claim 4, is characterized in that:
The other end of described first tube connector (121), is fastenedly connected with the oil extraction valve being positioned at described conservator (22) top.
6. multidirectional transformer oil transfer system according to claim 5, is characterized in that:
The other end of described second tube connector (122) is installed on the top of described radiator (23).
7. multidirectional transformer oil transfer system according to claim 6, is characterized in that:
The other end of described second tube connector (122), is fastenedly connected with the drain tap being positioned at described radiator (23) top.
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| CN201510466555.XA CN105048320B (en) | 2013-11-15 | 2013-11-15 | Multidirectional transformer oil transfer system |
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| CN201310573450.5A CN103680828B (en) | 2013-11-15 | 2013-11-15 | Transformer oil transfer system |
| CN201510466555.XA CN105048320B (en) | 2013-11-15 | 2013-11-15 | Multidirectional transformer oil transfer system |
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| CN201510464246.9A Active CN105119170B (en) | 2013-11-15 | 2013-11-15 | A kind of transformer oil transfer system vacuumized using vavuum pump |
| CN201510466555.XA Active CN105048320B (en) | 2013-11-15 | 2013-11-15 | Multidirectional transformer oil transfer system |
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| 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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| 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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2013
- 2013-11-15 CN CN201510465749.8A patent/CN105048319B/en active Active
- 2013-11-15 CN CN201510464246.9A patent/CN105119170B/en active Active
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| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105119170A (en) | 2015-12-02 |
| CN105048320B (en) | 2017-10-13 |
| CN103680828B (en) | 2015-12-16 |
| CN103680828A (en) | 2014-03-26 |
| CN105048319B (en) | 2018-01-12 |
| CN105119170B (en) | 2017-12-15 |
| CN105048319A (en) | 2015-11-11 |
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