CN207966680U - A kind of electrically continuous oil filtering system of transformer belt - Google Patents
A kind of electrically continuous oil filtering system of transformer belt Download PDFInfo
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- CN207966680U CN207966680U CN201820420684.4U CN201820420684U CN207966680U CN 207966680 U CN207966680 U CN 207966680U CN 201820420684 U CN201820420684 U CN 201820420684U CN 207966680 U CN207966680 U CN 207966680U
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Abstract
The utility model is related to a kind of oil-filtering apparatus, more particularly, to a kind of electrically continuous oil filtering system of transformer belt, include main filtering tank and filter tank connected remote monitoring control device with main, controlling main filtering tank by remote monitoring control device works；The main filtering tank is connected with vacuum pump, it is connected by oil drain pump between the input terminal of main filtering tank and the output end of draining valve, the output end of main filtering tank is connected with time filtering tank, the output end of secondary filtering tank and the input terminal of fuel feeding valve connect, has the advantages that hermetically sealed filtering, ensure that oil strain process is generated without air, realizes the electrically continuous oil strain of transformer belt.
Description
Technical field
The utility model is related to a kind of oil filtering systems, more particularly, to a kind of electrically continuous oil filtering system of transformer belt.
Background technology
Transformer oil plays the role of insulation and cooling in transformer.In the process of running, transformer oil can be by for transformer
There is performance decline in a variety of causes：Moisture and metal ion increase, and dielectric loss increases, breakdown voltage, flash-point voltage and volume electricity
Resistance rate declines, and the insulation resistance of oilpaper material is caused to decline, and seriously threatens the safe operation of transformer.To improve transformer oil
Various performance indicators, with sufficiently high pressure voltage, when transformer oil deterioration to a certain extent when need to transformer
Oil is filtered.
Transformer oil filtering generally takes presser type oil filter to be removed impurity, moisture, gas, or takes vacuum oil filtering
Machine carries out efficient dehydration degassing.Since presser type oil filter is open oil strain, transformer oil in filter process with air
Contact；There are negative pressuren zones for vacuum oil-filter, are both easy to make to be mixed into suspension air in filtered transformer oil（Bubble）.If
Suspension air enters running equipment with insulating oil, can cause equipment electric discharge that short trouble even occurs.Therefore regulation rule
Determine to be stood after oiling transformer, oil strain, be vented.This also constrains the development of transformer belt electrofiltration oil work.Transformation
Device power failure oil strain needs the filtering for completing multiple cycle oil masses, if the deterioration of insulating oil influences winding since transformer oil mass is big
Insulation resistance will also carry out the dehydration of winding, generally require more days continuous oil strains, and even more than ten talentes complete sometimes, serious shadow
Power supply reliability is rung, or even causes the power failure of client.
Chinese patent " CN201410450658.2 transformer belt electricity oil-filtering apparatus ", by respectively increasing before and after oil filtering unit
Add an oil conservater, carry out stage by stage, part drain the oil, the mode of oiling, carry out electrification oil strain, stand exhaust, it is each drain the oil,
Oiling is put, is filtered, oiling cycle operation often works by the space constraints of transformer oil storage, and efficiency is low, and the time is long.
Invention content
The utility model is at least one defect overcome described in the above-mentioned prior art, and it is electrically continuous to provide a kind of transformer belt
Oil filtering system has the advantages that hermetically sealed filtering, ensures that oil strain process is generated without air, realizes the electrically continuous oil strain of transformer belt.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of electrically continuous oil strain of transformer belt
System, wherein include main filtering tank and filter tank connected remote monitoring control device with main, filled by long-distance monitor and control
Set the main filtering tank work of control；The main filtering tank is connected with vacuum pump, the input terminal of main filtering tank and the output end of draining valve
Between connected by oil drain pump, the output end of main filtering tank is connected with time filtering tank, the output end of secondary filtering tank and fuel feeding valve
Input terminal connects.
Transformer oil in transformer is transferred to oil drain pump by the output end of draining valve, in the swabbing action of oil drain pump
Under, transformer oil, which is transferred in main filtering tank, is filtered processing, filters moisture and impurity in transformer oil.To transformation
Before device oil is handled, vacuum pump first vacuumizes whole system, and the gas in removal system is avoided in transformer oil mistake
Gas is mixed during filter.After the completion of transformer oil is by the processing of main filtering tank, enter time filtering tank, in secondary filtering tank into
Row further finer filtering further removes impurity and moisture in transformer oil.Pass through remote monitoring control device
Remote control is carried out to main filtering tank, by remote monitoring control device, realization remotely monitors, controls main filtering tank, allowing to apply
Worker person leaves scene in neighbouring rest, life, improves working conditions and labor intensity.
In one embodiment, if main filtering tank is equipped with dried layer filter core, the filtering of moisture and impurity is realized respectively.
If being equipped with dried layer filter core in main filtering tank, different filter cores corresponds to different impurity screenings, real by multistage filtering
Now to the filtration treatment of transformer oil.
Preferably, main filtering tank is equipped with resistance heater, realizes the heating of transformer oil.
In order to fully be removed to the moisture in transformer oil in transformer oil filter process, it is equipped in main filtering tank
Resistance heater evaporates the moisture in transformer oil by resistive heater heats transformer oil.
In one embodiment, it is equipped with input pressure monitoring device between draining valve and main filtering tank and is supervised into pressure tank
Survey device, the pressure change for monitoring transformer oil.
During transformer oil enters main filtering tank by draining valve, by input pressure monitoring device and into tank pressure
Power monitoring device is detected to the input pressure of transformer oil and into pressure tank, avoid due to pressure is excessive and it is unbalance cause be
System problem.
Preferably, it is equipped with out pressure tank monitoring device and fuel-displaced pressure monitoring device between main filtering tank and fuel feeding valve, uses
In the pressure change of monitoring transformer oil.
During transformer oil enters fuel feeding valve by main filtering tank, by going out pressure tank monitoring device and going out oil pressure
Power monitoring device goes out oil pressure and goes out pressure tank and be detected to transformer oil, avoid due to pressure is excessive and it is unbalance cause be
System problem.
Preferably, the input terminal of fuel feeding valve is connected with flow monitoring device and gas-detecting device, the inspection of flow monitoring device
The flow velocity into the transformer oil of fuel feeding valve is surveyed, gas-detecting device sends out alarm when transformer oil mixes gas.
Preferably, between draining valve and main filtering tank check-valves is equipped between main filtering tank and fuel feeding valve.
It is equipped with check-valves between draining valve and main filtering tank, avoids during handling transformer oil, transformer oil falls
It is flow back into draining valve, transformer is entered by draining valve.It is equipped with check-valves between main filtering tank and fuel feeding valve, avoids processing
Transformer oil flow backwards enter main filtering tank.
Preferably, shut-off valve is equipped between main filtering tank and vacuum pump.
After vacuum pump vacuumizes main filtering tank, by the cut-off of shut-off valve effect avoid air by vacuum pump again into
Enter to main filtering tank.
In the utility model, using transformer oil dead weight oil inlet, oil pump pressurization, the hermetically sealed side for carrying out transformer oil filtering
Formula ensures that oil strain process is generated without air, realizes the electrically continuous oil strain of transformer belt.It is real simultaneously by remote monitoring control device
Now long-range monitoring, control filtration system further increase safety in filter process and at any time controllability.The each portion of this system
It is connected by pipeline between part, improves the leakproofness of whole system, poor sealing is avoided to cause to mix gas in transformer oil.Become
The fuel-displaced progress synchronous with oil inlet of depressor oil, realizes transformer belt electrofiltration oil.
Description of the drawings
Fig. 1 is overall structure diagram in the utility model.
Specific implementation mode
Attached drawing only for illustration, should not be understood as limiting the present invention；In order to more preferably illustrate this implementation
Example, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；For those skilled in the art
For, the omitting of some known structures and their instructions in the attached drawings are understandable.Position relationship described in attached drawing is only used for
Exemplary illustration should not be understood as limiting the present invention.
Embodiment 1：
As shown in Figure 1, the utility model provides a kind of electrically continuous oil filtering system of transformer belt, include 1 He of main filtering tank
The remote monitoring control device being connect with main filtering tank 1, remote monitoring control device control main filtering tank 1, realize master
The long-range startup and long-range closing of filtering tank 1.Transformer oil is in transformer, by 3 flow ipe of draining valve, through piping stream
Enter input pressure monitoring device 71, variation and the range of input pressure are monitored by input pressure monitoring device 71.Input pressure
When not changing, transformer oil flows into oil drain pump 4 and is aspirated to transformer oil under the action of oil drain pump 4.
In the present embodiment, main filtering tank 1 connects remote monitoring control device 11, all parts in simultaneity factor also all with
1 feedback link of main filtering tank, when being worked under control of the main filtering tank 1 in remote monitoring control device 11, in system
All parts start work with the cooperation of main filtering tank 1；When stopping work under control of the main filtering tank 1 in remote monitoring control device 11
When making, all parts in system are stopped with the cooperation of main filtering tank 1.
The transformer oil that oil drain pump 4 is discharged is entered through piping into pressure tank monitoring device 81, by being supervised into pressure tank
It surveys device 81 to be monitored the pressure of transformer oil, avoids causing system problem due to 4 oil extraction hypertonia of oil drain pump.
As shown in Figure 1, after transformer oil enters main filtering tank 1, processing is filtered in main filtering tank 1.Main filtering tank 1
If dried layer filter core is equipped in, different filter cores corresponds to different impurity screenings, by multistage filtering, realizes the mistake to transformer oil
Filter is handled.It is equipped with resistance heater in main filtering tank 1, by resistive heater heats transformer oil, evaporates in transformer oil
Moisture.
As shown in Figure 1, the output end of main filtering tank 1 is connected with time filtering tank 5, set between secondary filtering tank 5 and main filtering tank 1
There is pressure tank monitoring device 82, the pressure change of tank transformer oil is detected by going out pressure tank monitoring device 82.Go out tank
Transformer oil enters time filtering tank 5, and more accurate filter core is equipped in secondary filtering tank 5, by the more small particle of filter element filtering,
Be conducive to the raising of transformer oil quality.
The transformer oil filtered by secondary filtering tank 5 enters fuel-displaced pressure monitoring device 72, is filled in fuel-displaced pressure monitoring
72 carry out pressure monitorings are set, fuel-displaced pressure condition is detected, avoid causing system problem since fuel-displaced pressure is excessive.
As shown in Figure 1, after fuel-displaced pressure monitoring device 72 monitors, transformer oil enters flow monitoring device 92, flow velocity
The monitoring of monitoring device 92 is into the flow velocity of the transformer oil of fuel feeding valve 6, and gas-detecting device 91 is when transformer oil mixes gas
Send out alarm.
As shown in Figure 1, in the present embodiment, main filtering tank 1 is connected with vacuum pump 2, before handling transformer oil, very
Sky pump 2 first vacuumizes whole system, and the gas in removal system avoids mixing gas in transformer oil filter process
Body.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (8)
1. a kind of electrically continuous oil filtering system of transformer belt, which is characterized in that include main filtering tank and with it is main filtering it is tank connected
Remote monitoring control device controls main filtering tank by remote monitoring control device and works；The main filtering tank is connected with vacuum
Pump, is connected between the input terminal of main filtering tank and the output end of draining valve by oil drain pump, the output end of main filtering tank is connected with
Secondary filtering tank, the output end of the secondary filtering tank and the input terminal of fuel feeding valve connect.
2. the electrically continuous oil filtering system of transformer belt according to claim 1, which is characterized in that if the main filtering tank is equipped with
Dried layer filter core realizes the filtering of moisture and impurity respectively.
3. the electrically continuous oil filtering system of transformer belt according to claim 2, which is characterized in that the main filtering tank is equipped with electricity
Heater is hindered, realizes the heating of transformer oil.
4. the electrically continuous oil filtering system of transformer belt according to claim 1, which is characterized in that the draining valve and main filtering
Equipped with input pressure monitoring device and into pressure tank monitoring device between tank, the pressure change for monitoring transformer oil.
5. the electrically continuous oil filtering system of transformer belt according to claim 4, which is characterized in that the secondary filtering tank and oiling
Pressure tank monitoring device and fuel-displaced pressure monitoring device are equipped with out between valve, the pressure change for monitoring transformer oil.
6. the electrically continuous oil filtering system of transformer belt according to claim 5, which is characterized in that the input terminal of the fuel feeding valve
It is connected with flow monitoring device and gas-detecting device, the detection of flow monitoring device enters the flow velocity of the transformer oil of fuel feeding valve,
Gas-detecting device sends out alarm when transformer oil mixes gas.
7. the electrically continuous oil filtering system of transformer belt according to any one of claims 1 to 6, which is characterized in that the oil extraction
Between valve and main filtering tank check-valves is equipped between main filtering tank and fuel feeding valve.
8. the electrically continuous oil filtering system of transformer belt according to any one of claims 1 to 6, which is characterized in that the main mistake
Shut-off valve is equipped between filter tank and vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420684.4U CN207966680U (en) | 2018-03-27 | 2018-03-27 | A kind of electrically continuous oil filtering system of transformer belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420684.4U CN207966680U (en) | 2018-03-27 | 2018-03-27 | A kind of electrically continuous oil filtering system of transformer belt |
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| Publication Number | Publication Date |
|---|---|
| CN207966680U true CN207966680U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820420684.4U Active CN207966680U (en) | 2018-03-27 | 2018-03-27 | A kind of electrically continuous oil filtering system of transformer belt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666092A (en) * | 2018-03-27 | 2018-10-16 | 广东电网有限责任公司佛山供电局 | A kind of electrically continuous oil filtering system of transformer belt |
-
2018
- 2018-03-27 CN CN201820420684.4U patent/CN207966680U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666092A (en) * | 2018-03-27 | 2018-10-16 | 广东电网有限责任公司佛山供电局 | A kind of electrically continuous oil filtering system of transformer belt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191022 Address after: 528011 No. 1 South Fenjiang Road, Chancheng District, Guangdong, Foshan Patentee after: FOSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CORPORATION Address before: 528011 No. 1 South Fenjiang Road, Chancheng District, Guangdong, Foshan Co-patentee before: Shenyang Large Power Transformer Maintenance Co., Ltd. Patentee before: FOSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CORPORATION |
|
| TR01 | Transfer of patent right |