CN203799810U - On-line oil filtering system for separating and connecting transformer - Google Patents
On-line oil filtering system for separating and connecting transformer Download PDFInfo
- Publication number
- CN203799810U CN203799810U CN201420239162.6U CN201420239162U CN203799810U CN 203799810 U CN203799810 U CN 203799810U CN 201420239162 U CN201420239162 U CN 201420239162U CN 203799810 U CN203799810 U CN 203799810U
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- Prior art keywords
- oil
- transformer
- pipe
- filter
- motor
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- 238000001914 filtration Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims description 17
- 239000000356 contaminant Substances 0.000 claims description 11
- 239000012535 impurity Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Transformer Cooling (AREA)
Abstract
The utility model discloses an on-line oil filtering system for separating and connecting a transformer. The transformer is connected with an oil filtering device, the oil filtering device comprises a hollow box body, wherein an oil pipe, a control box, a motor, an oil pump, an impurity filter and a water removal filter are arranged in the box body, the two ends of the oil pipe respectively extend out of the box body to be communicated with an oil inlet and an oil outlet of the transformer, the oil pump, the impurity filter and the water removal filter are sequentially communicated, the water removal filter is near the oil inlet of the transformer, the oil pump is connected with the motor, the motor is connected with the control box, and a heater, a temperature sensor and a humidity sensor are arranged in the box body and are all connected with the control box. The system can filter the oil of the transformer directly on line without pausing the transformer, guarantee the continuous work of the transformer, and resolve the problem that in the existing replacement process of the oil of the transformer, the use of the transformer is paused, then the oil of the transformer is discharged, and the operation is troublesome.
Description
Technical field
The utility model relates to a kind of for transformer being carried out to the online oil filtration system of tap, belongs to the supporting treatment facility to transformer oil.
Background technology
Transformer is to utilize the principle of electromagnetic induction to change the device of alternating voltage, and main member is primary coil, secondary coil and magnetic core.Major function has: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilizing (magnetic saturation transformer) etc.By purposes, can be divided into: distribution transformer, full-sealed transformer, combined transformer, dry-type transformer, oil-filled transformer, single-phase transformer, furnace transformer, rectifier transformer etc.Along with China's economic continues healthy high speed development, electricity needs maintains sustained and rapid growth.National Analyzing Total Electricity Consumption 4.69 trillion kilowatt hours in 2013, increase by 11.7% than last year, consumption demand is still vigorous.Per capita household electricity consumption 3483 kilowatt hours, increase by 351 kilowatt hours than last year, surpass world average level.The fast development of China Power construction has driven the development of Chinese Transformer-Manufacturing Trade.2013, the output of national transformer reached 14.3 hundred million kilovolt-amperes, increases by 6.86% on a year-on-year basis.2013, above (main business income the is more than 2,000 ten thousand yuan) enterprise of Chinese Transformer-Manufacturing Trade scale had 1461; 2901.40 hundred million yuan of enforcement sale volumes, generate profit 166.08 hundred million yuan of total values, and asset size is 2638.40 hundred million yuan, and profit of sales is 339.72 hundred million yuan.Transformer oil is a kind of fraction products of oil, and its main component is alkane, naphthene series's saturated hydrocarbons, the compounds such as aromatic series unsaturated hydrocarbons.The side's of being commonly called as canopy oil, light yellow transparency liquid, relative density 0.895.Solidifying point <-45 ℃.The Main Function of transformer oil: insulating effect: transformer oil has the dielectric strength more much higher than air, and insulating material is immersed in oil, not only can improve dielectric strength, but also can avoid the erosion of moisture; Thermolysis: the specific heat of transformer oil is large, is commonly used for cooling agent, the heat producing during transformer operation makes to rise near the oily expanded by heating of iron core and winding, and by the convection current up and down of oil, heat sheds by radiator, guarantees that transformer normally moves; Extinguishing arc effect: on the on-load voltage regulating switch of oil circuit breaker and transformer, contact can produce electric arc while switching, due to transformer oil good heat conductivity, and can divide and touch a large amount of gas under the high temperature action of electric arc, produce larger pressure, thereby improved the arc extinction performance of medium, electric arc is extinguished very soon.After using because transformer is long-term, inner a lot of impurity or the moisture of producing, it enters into after transformer oil, can affect insulation, heat radiation and the arc eliminator of transformer oil, cause transformer to occur short circuit or the phenomenon burning out, traditional mode is that transformer oil is emitted to replacing, and this mode need to be suspended the use of transformer, and the efficiency of changing is low.
Utility model content
It is to suspend after transformer uses to emit the troublesome problem that transformer oil brings to the replacing of transformer oil that the purpose of this utility model is to overcome in above-mentioned existing transformer, designed a kind of for transformer being carried out to the online oil filtration system of tap, this system can not suspended the use of transformer and directly transformer oil be carried out to filtration treatment online, guarantee the continuous operation of transformer, having solved in existing transformer is to suspend after transformer uses to emit the troublesome problem that transformer oil brings to the replacing of transformer oil.
The purpose of this utility model is achieved through the following technical solutions: for transformer being carried out to the online oil filtration system of tap, comprise transformer, described transformer is connected with oil-filtering apparatus, oil-filtering apparatus comprises the casing of inner hollow, the inside of casing is provided with oil pipe, control cabinet, motor, oil pump, contaminant filter and except water filter, and the two ends of oil pipe are communicated with oil-in and the oil-out of transformer after stretching out respectively casing, oil pump, contaminant filter and except water filter is successively by being communicated with, except the oil-in of water filter near transformer, oil Pump and Electromotor connects, motor is connected with control cabinet, in described casing, be provided with heater, heater is connected with control cabinet, in casing, be provided with temperature sensor and humidity sensor, and temperature sensor is all connected with control cabinet with humidity sensor.
On oil pipe, be provided with Pressure gauge and sampling pipe, and Pressure gauge and sampling pipe be all communicated with oil pipe, the connectivity part of sampling pipe and oil pipe is arranged between oil pump and contaminant filter.
On the outer wall of sampling pipe, be provided with sample valve, and sample valve can seal sampling pipe.
In sum, the beneficial effects of the utility model are: this system can not suspended the use of transformer and directly transformer oil be carried out to filtration treatment online, guarantee the continuous operation of transformer, having solved in existing transformer is to suspend after transformer uses to emit the troublesome problem that transformer oil brings to the replacing of transformer oil.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark and corresponding parts title in accompanying drawing: 1-transformer; 2-temperature sensor; 3-humidity sensor; 4-oil inlet pipe; 5-control cabinet; 6-motor; 7-oil pump; 8-Pressure gauge; 9-sample valve; 10-sampling pipe; 11-casing; 12-heater; 13-contaminant filter; 14-except water filter; 15-flowline.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited only to this.
Embodiment 1:
As shown in Figure 1, for transformer being carried out to the online oil filtration system of tap, comprise transformer 1, described transformer 1 is connected with oil-filtering apparatus, oil-filtering apparatus comprises the casing 11 of inner hollow, the inside of casing 11 is provided with oil pipe, control cabinet 5, motor 6, oil pump 7, contaminant filter 13 and except water filter 14, and the two ends of oil pipe are communicated with oil-in and the oil-out of transformer 1 after stretching out respectively casing 11, oil pump 7, contaminant filter 13 and except water filter 14 is successively by being communicated with, except the oil-in of water filter 14 near transformer 1, oil pump 7 is connected with motor 6, motor 6 is connected with control cabinet 5, in described casing 11, be provided with heater 12, heater 12 is connected with control cabinet 5, in casing 11, be provided with temperature sensor 2 and humidity sensor 3, and temperature sensor 2 is all connected with control cabinet 5 with humidity sensor 3.Transformer oil in transformer enters by oil pipe, control cabinet 5 makes transformer oil can be certain flow velocity by controlling motor 6 and oil pump 7, the impurity removing in deoiling through contaminant filter 13, except water filter 14 is except the moisture in deoiling, transformer oil reenters in the oil circuit of transformer after reaching use standard, and do not need transformer to quit work, do not drain the oil, saved the time, transformer oil can recycle, and having solved in existing transformer is to suspend after transformer uses to emit the troublesome problem that transformer oil brings to the replacing of transformer oil.
Native system can be the in the situation that of voltage transformer system normal operation, effectively remove the impurity such as free charcoal on load tap changer transformer oil and metal particle, and can reduce micro-moisture, guarantee puncture voltage and the life-span of transformer oil, thereby reduce interruption maintenance number of times, extend maintenance cycle, effectively improve the safety and reliability of transformer work, oil pump employing motor and the pump housing are integrated, full-closed structure formula, volume is little oil-proof, and noise is low, also be applicable to running at night, when temperature is during lower than 5 ℃ or when humidity reaches 85%, utilize temperature sensor 2 and humidity sensor 3 that signal feedback is arrived to control cabinet 5, control cabinet 5 control heaters 12 are started working, so just guaranteed to install and can under multiple environment, normally work, realize round-the-clock no worker monitor automatic operation.Power of motor 0.18～0.55kW, filtering traffic 7L/min, 10L/min, 12L/min, filtering accuracy≤5-1 μ m, filter pressure≤0.5Mpa, transformer oil water content≤20 μ L/L.Embodiment 2:
As shown in Figure 1, be provided with Pressure gauge 8 and sampling pipe 10 on oil pipe, and Pressure gauge 8 and sampling pipe 10 be all communicated with oil pipe, the connectivity part of sampling pipe 10 and oil pipe is arranged between oil pump 7 and contaminant filter 13; On the outer wall of sampling pipe 10, be provided with sample valve 9, and sample valve 9 can seal sampling pipe 10.For convenience of describing, by oil pipe called after two joints, one joint is oil inlet pipe 4, one joint is flowline 15, oil inlet pipe 4 and flowline 15 interconnect, oil inlet pipe 4 is connected away from one end of flowline 15 and the oil-out of transformer, flowline 15 is connected away from one end of oil inlet pipe 4 and the oil-in of transformer, by the transformer oil of processing, by oil pipe, reenter in transformer 1, by continuous circulation, make transformer oil not need to stop also can processing when processing, the degree that the transformer oil flowing out in transformer contains impurity and water, by sampling pipe 10, release and analyze, convenient operation personnel adjust the running frequency of control cabinet by content, under the Expenditure Levels of minimized resource, realize and processing.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction; any simple modification, equivalent variations that every foundation technology of the present utility model, method are done above embodiment in fact, within all falling into protection range of the present utility model.
Claims (3)
1. for transformer being carried out to the online oil filtration system of tap, comprise transformer (1), described transformer (1) is connected with oil-filtering apparatus, it is characterized in that: oil-filtering apparatus comprises the casing (11) of inner hollow, the inside of casing (11) is provided with oil pipe, control cabinet (5), motor (6), oil pump (7), contaminant filter (13) and except water filter (14), and the two ends of oil pipe are communicated with oil-in and the oil-out of transformer (1) after stretching out respectively casing (11), oil pump (7), contaminant filter (13) and except water filter (14) is successively by being communicated with, except the oil-in of water filter (14) near transformer (1), oil pump (7) is connected with motor (6), motor (6) is connected with control cabinet (5), in described casing (11), be provided with heater (12), heater (12) is connected with control cabinet (5), in casing (11), be provided with temperature sensor (2) and humidity sensor (3), and temperature sensor (2) is all connected with control cabinet (5) with humidity sensor (3).
2. according to claim 1 for transformer being carried out to the online oil filtration system of tap, it is characterized in that: on described oil pipe, be provided with Pressure gauge (8) and sampling pipe (10), and Pressure gauge (8) and sampling pipe (10) are all communicated with oil pipe, the connectivity part of sampling pipe (10) and oil pipe is arranged between oil pump (7) and contaminant filter (13).
3. according to claim 2 for transformer being carried out to the online oil filtration system of tap, it is characterized in that: on the outer wall of described sampling pipe (10), be provided with sample valve (9), and sample valve (9) can seal sampling pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239162.6U CN203799810U (en) | 2014-05-12 | 2014-05-12 | On-line oil filtering system for separating and connecting transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239162.6U CN203799810U (en) | 2014-05-12 | 2014-05-12 | On-line oil filtering system for separating and connecting transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799810U true CN203799810U (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420239162.6U Expired - Fee Related CN203799810U (en) | 2014-05-12 | 2014-05-12 | On-line oil filtering system for separating and connecting transformer |
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| Country | Link |
|---|---|
| CN (1) | CN203799810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971888A (en) * | 2014-05-12 | 2014-08-06 | 国家电网公司 | Online oil filtering system used for tapping transformer |
-
2014
- 2014-05-12 CN CN201420239162.6U patent/CN203799810U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971888A (en) * | 2014-05-12 | 2014-08-06 | 国家电网公司 | Online oil filtering system used for tapping transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20200512 |