CN106422498A - Simulation device of regeneration process of oil for power supply industry and use method thereof - Google Patents
Simulation device of regeneration process of oil for power supply industry and use method thereof Download PDFInfo
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- CN106422498A CN106422498A CN201610903489.2A CN201610903489A CN106422498A CN 106422498 A CN106422498 A CN 106422498A CN 201610903489 A CN201610903489 A CN 201610903489A CN 106422498 A CN106422498 A CN 106422498A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
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- Chemical Kinetics & Catalysis (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a simulation device of regeneration process of oil for power supply industry and use method thereof. The device comprises an oil inlet valve (1), an oil pump (2), a regeneration filterer (6), a fine filterer (10), a circulation valve (15), an oil tank (16), a heater (17), an isolation valve (18), an oil outlet valve (12) and a sampling valve (11). The pump (2) input is communicated with the outlets of the oil inlet valve (1) and the isolation valve (18), wherein the outputs are parallelly connected with the regeneration filterer (6). The regeneration filterer (6) output is connected with the fine filterer (10) input. The fine filterer (10) output is connected parallelly with the circulation valve (15), the oil outlet valve (12) and the sampling valve (11). The circulation valve (15) output is connected with the oil tank (16). The device can be adopted for the implementation of middle scale experiments of the regeneration processing of the oil for the power supply industry. The device can optimize the processing process, enhance the maintenance efficiency, and guarantee the highly efficient and stable operation of the power supply equipment.
Description
Technical field
The present invention relates to a kind of oil purifying processing device, relate in particular at the regeneration after a kind of oil for electric power deterioration
The analog of reason.The invention still further relates to the using method of the analog of this oil for electric power Regeneration Treatment.
Background technology
Oil for electric power is electric insulating oil, steam turbine oil and fire-resistance oil etc., in use, all can touch
Moisture, air (oxygen) and metal, meanwhile, oil is in operation and also can be mixed into various impurity from the external world.In certain temperature and pressure
Under, these factors all can make the composition deterioration of segmental stability difference in oil product rotten.When rotten composition and amount of impurities reach one
When determining degree, oil quality indicator can not meet use requirement, and oil product cannot use.The deterioration of oil product can have a strong impact on master and set
Standby safe and stable operation, common are：In transformer oil active sulfur cause transformer insulated layer puncture lead to transformator damage
Bad, in transformer oil, metallic product and other polar compounds lead to dielectric loss to raise；Particulate matter in lubricating oil and moisture and its
Deterioration product greasy filth etc., can reduce its greasy property and lead to steam turbine (hydraulic turbine) to be worn and torn；Fire-resistance oil also often occurs
Acid number and the exceeded situation of specific insulation, serious meeting causes portion's set bite, causes a serious accident.
Due to the structure composition of oil for electric power (insulating oil, steam turbine oil and fire resistant oil) and the difference of service condition, they
Deterioration metamorphic mechanism in use is different with process, and it is also different that it produces the rotten thing of deterioration.Therefore, it is carried out with regeneration to adopt
Technique, technology also different.The renovation process commonly used at present is the absorption method in physico-chemical process, and it can not only be to oil
Carry out Regeneration Treatment effectively, and be capable of to oily on-line continuous Regeneration Treatment, its cardinal principle is to utilize adsorbent
There is the characteristic of absorbability strongly to the acidic components in waste oil, asphalitine, unsaturated hydrocarbons and moisture etc., make adsorbent and oil
It is fully contacted, reach the purpose removing above-mentioned harmful substance.The factor of impact absorption regeneration efficiency has：Temperature, adsorbent amount,
Recovery time, performance of the adsorbent etc., are therefore directed to different oil quality deterioration situations, can be suitable by middle-size and small-size test and Selection
Handling process, to instruct the Regeneration Treatment of oil product, can effectively improve the treatment effeciency of oil product, ensure the safety and stability fortune of equipment
OK, economical, societal benefits are improved.However, the middle-size and small-size assay device of this oil for electric power Regeneration Treatment shortage is urgently opened always
Send out.
Content of the invention
The invention solves the problems that first technical problem be provide a kind of technique that can optimize oil for electric power Regeneration Treatment, carry
High Regeneration Treatment efficiency is it is ensured that the analog of the oil for electric power Regeneration Treatment of the safe and stable operation of power equipment.
The invention solves the problems that second technical problem be provide this oil for electric power Regeneration Treatment analog use
Method.
In order to solve above-mentioned first technical problem, the analog of the oil for electric power Regeneration Treatment that the present invention provides, oil
The input insertion of pump connects the outfan of inlet valve and isolating valve, and the outfan of described oil pump regenerates inlet valve by first
Connect the input of the first regeneration filter, the outfan of the first described regeneration filter regenerates delivery valve insertion by first
Connect the input of an effusion meter, the outfan insertion of described effusion meter connects the input of a fine filter, described
The input of the outfan parallel circulating valve, delivery valve and sampling valve of fine filter, the outfan insertion of described circulating valve connects
The input of fuel tank, the outfan insertion of described fuel tank connects input, described isolating valve, and the institute of described isolating valve,
On oil circuit between the oil pump stated, also insertion is connected with a pressure regulator valve, and the other end also insertion of described pressure regulator valve is connected with one
Individual pressure controller, the other end insertion of described pressure controller connects described oil pump and the described first regeneration filter
Between oil circuit, described heater is installed, superhigh temperature protector and the 3rd permeation valve and described fuel tank in described fuel tank
Insertion connects；The first described regeneration filter is connected with the first permeation valve and first pressure table.
The input of the second regeneration filter is connected with the outfan insertion of described oil pump by the second regeneration inlet valve,
Insertion on oil circuit between the described outfan of the second regeneration filter and the input of described effusion meter is connected with one
Second regeneration delivery valve, between the described outfan of the second regeneration filter and the input of the described first regeneration filter
Oil circuit on insertion be connected with a connection in series-parallel selector valve；The second described regeneration filter is connected with the second permeation valve and second
Pressure gauge.
In order to solve above-mentioned second technical problem, the making of the analog of oil for electric power Regeneration Treatment that the present invention provides
With method, comprise the following steps：
Oiling：
Connection inlet valve, closing pressure-regulating valve, connection the first regeneration inlet valve, connect connection in series-parallel selector valve, connection second is again
Bear fuel tap, close the second regeneration inlet valve, close the first regeneration delivery valve, close sampling valve, close draining valve, communication loop
Valve, opens oil pump to tank filling, closes oil pump after oil sample needed for injection testing；
Regeneration Treatment：
Close fuel feeding valve, connect pressure regulator valve, connection first regeneration inlet valve and the second regeneration inlet valve, connection first regeneration
Delivery valve and the second regeneration delivery valve, close sampling valve, close draining valve, communication loop valve, open oil pump, oil starts in system
Middle regeneration；Flow through the first regeneration filter and the flow velocity of the second regeneration filter by adjusting pressure regulator valve aperture regulation oil, pass through
Adjust connection in series-parallel selector valve and change the first regeneration filter and the connection in series-parallel state of the second regeneration filter, oil passes through in fuel tank
Heater is heated to test temperature, by oil pump to the first regeneration filter and the second regeneration filter, the first regeneration filter
It is filled with test adsorbent with the second regeneration filter, to the polar decomposition product in oil, metal ion, active sulfur and miscellaneous
The selective absorption property of matter, the oil after adsorption treatment when fine filter it is ensured that the granularity in oil meets the requirements, Ran Hourang
The oil filtering through fine filter returns in fuel tank, constantly circulates between fuel tank and filter element, until oil quality is qualified or is not carrying
Rise；
Sampling：
Connection sampling valve is sampling, closes sampling valve after the completion of sampling；
Oil extraction：
Connection delivery valve, cuts out circulation valve device and starts oil extraction outward, and oil extraction closes delivery valve after terminating.
In above-mentioned regeneration treatment step, described adsorbent is kieselguhr, silica gel, activated alumina, molecular sieve or strong pole
Property si-al-adsorbent.
In above-mentioned regeneration treatment step, oil is heated to test temperature by heater in fuel tank, described test temperature
It is 50～100 DEG C.
Using analog and its using method of the oil for electric power Regeneration Treatment of technique scheme, its operation principle
It is：Oil for electric power is heated to test temperature (typically 50～100 DEG C) by heater in fuel tank, by oil pump to regenerating
Filter, regeneration filter in be filled with test adsorbent, adsorbent can be kieselguhr, silica gel, activated alumina, molecular sieve,
Highly polar si-al-adsorbent, to selective adsorptivities such as the polar decomposition product in oil, metal ion, active sulfur and impurity
Can, the oil after adsorption treatment it can be ensured that the granularity in oil meets the requirements, then allows through fine filter mistake when fine filter
The oil of filter returns in fuel tank, constantly circulates between fuel tank and filter element, until oil quality is qualified or is not being lifted.
The invention has the beneficial effects as follows：The Regeneration Treatment of oil for electric power can be carried out with middle-size and small-size test, optimization processing technique
And flow process, the Regeneration Treatment efficiency improving oil for electric power it is ensured that oil quality is up to standard, transport by the safety and stability of guarantee main apparatus
OK.
In sum, the present invention is a kind of technique that can optimize oil for electric power Regeneration Treatment, improves Regeneration Treatment efficiency, really
Protect the analog of oil for electric power Regeneration Treatment of safe and stable operation and its method for power equipment.
Brief description
Fig. 1 is the structural representation of a specific embodiment of the present invention.
Fig. 2 is the structural representation of another specific embodiment of the present invention.
In figure is denoted as：1- inlet valve, 2- oil pump, 3- first regenerates inlet valve, and 4- second regenerates inlet valve, 5- connection in series-parallel
Selector valve, 6- first regeneration filter, 7- second regeneration delivery valve, 8- first regeneration delivery valve, 9- effusion meter, 10- fine filter,
11- sampling valve, 12- draining valve, 13- pressure controller, 14- pressure regulator valve, 15- circulating valve, 16- fuel tank, 17- heater, 18- every
Disconnected valve, 19- superhigh temperature protector, 20- the 3rd permeation valve, 21- second regenerates filter, 22- the first permeation valve, and 23- second oozes
Air valve, 24- first pressure table, 25- second pressure table.
Specific embodiment
With reference to figure, the present invention will be further described with embodiment.
Referring to Fig. 1, a kind of analog of oil for electric power Regeneration Treatment, the input insertion of oil pump 2 connects inlet valve 1 He
The outfan of isolating valve, 18, the outfan of oil pump 2 connects the input of the first regeneration filter 6 by the first regeneration inlet valve 3,
The outfan of the first regeneration filter 6 connects the input of an effusion meter 9, effusion meter 9 by the first regeneration delivery valve 8 insertion
Outfan insertion connect a fine filter 10 input, the outfan parallel circulating valve 15 of fine filter 10, delivery valve 12 and
The input of sampling valve 11, the outfan insertion of circulating valve 15 connects the input of fuel tank 16, and the outfan insertion of fuel tank 16 is even
Connect the input of isolating valve, 18, also insertion on the oil circuit between isolating valve, 18 and oil pump 2 is connected with a pressure regulator valve 14, pressure regulator valve
The also insertion of 14 other end is connected with a pressure controller 15, and the other end insertion of pressure controller 15 connects oil pump 2 and the
Oil circuit between one regeneration filter 6, installs having heaters 17 in fuel tank 16, superhigh temperature protector 19 and the 3rd permeation valve 20 with
Fuel tank 16 insertion connects；First regeneration filter 6 is connected with the first permeation valve 22 and first pressure table 24.
Referring to Fig. 2, a kind of analog of oil for electric power Regeneration Treatment, the input insertion of oil pump 2 connects inlet valve 1 He
The outfan of isolating valve, 18, the outfan of oil pump 2 connects the input of the first regeneration filter 6 by the first regeneration inlet valve 3,
The outfan of the first regeneration filter 6 connects the input of an effusion meter 9, effusion meter 9 by the first regeneration delivery valve 8 insertion
Outfan insertion connect a fine filter 10 input, the outfan parallel circulating valve 15 of fine filter 10, delivery valve 12 and
The input of sampling valve 11, the outfan insertion of circulating valve 15 connects the input of fuel tank 16, and the outfan insertion of fuel tank 16 is even
Connect the input of isolating valve, 18, also insertion on the oil circuit between isolating valve, 18 and oil pump 2 is connected with a pressure regulator valve 14, pressure regulator valve
The also insertion of 14 other end is connected with a pressure controller 15, and the other end insertion of pressure controller 15 connects oil pump 2 and the
Oil circuit between one regeneration filter 6, installs having heaters 17 in fuel tank 16, superhigh temperature protector 19 and the 3rd permeation valve 20 with
Fuel tank 16 insertion connects；First regeneration filter 6 is connected with the first permeation valve 22 and first pressure table 24.Second regeneration filter
21 input is connected with the outfan insertion of oil pump 2 by the second regeneration inlet valve 4, the outfan of the second regeneration filter 21
On oil circuit and the input of effusion meter 9 between, insertion is connected with one second regeneration delivery valve 7, the second regeneration filter 21
Insertion on oil circuit between the input of outfan and the first regeneration filter 6 is connected with a connection in series-parallel selector valve 5；Second again
Raw filter 21 is connected with the second permeation valve 23 and second pressure table 25.
Referring to Fig. 1 and Fig. 2, the process of the using method of the present invention is as follows：
Oiling：
Connection inlet valve 1, closing pressure-regulating valve 14, connection the first regeneration inlet valve 3, connect connection in series-parallel selector valve 5, connection the
Two regeneration delivery valves 7, cut out the second regeneration inlet valve 4, close the first regeneration delivery valve 8, close sampling valve 11, close draining valve
12, communication loop valve 15, open oil pump 2 to fuel tank 16 oiling, after oil sample needed for injection testing, close oil pump 2；
Regeneration Treatment：
Close fuel feeding valve 1, connect pressure regulator valve 14, connection first regeneration inlet valve 3 and the second regeneration inlet valve 4, connection the
One regenerates fuel tap 8 and the second regeneration delivery valve 7, closes sampling valve 11, closes draining valve 12, communication loop valve 15, open oil
Pump 2, oil starts to regenerate in systems.Flow through the first regeneration filter 6 and second by adjusting pressure regulator valve 14 aperture regulation oil again
The flow velocity of raw filter 21, regenerates filter 21 by adjusting connection in series-parallel selector valve 5 change the first regeneration filter 6 and second
Connection in series-parallel state, oil is heated to test temperature (typically 50～100 DEG C) by heater 17, by oil pump 2 in fuel tank 16
To the first regeneration filter 6 and the second regeneration filter 21, it is filled with the first regeneration filter 6 and the second regeneration filter 21
Test adsorbent, adsorbent is kieselguhr, silica gel, activated alumina, molecular sieve or highly polar si-al-adsorbent, to the pole in oil
Property catabolite, metal ion, active sulfur and the selective absorption property of impurity, the oil after adsorption treatment is through fine filter 10
When it can be ensured that the granularity in oil meets the requirements, then allow through fine filter filter oil return in fuel tank, in fuel tank and filter
Constantly circulate between core, until oil quality is qualified or is not being lifted；
Sampling：
Connection sampling valve 11 is sampling, closes sampling valve 11 after the completion of sampling.
Oil extraction：
Connection delivery valve 12, cuts out circulating valve 15 device and starts oil extraction outward, and oil extraction closes delivery valve 12 after terminating.
Claims (5)
1. a kind of analog of oil for electric power Regeneration Treatment it is characterised in that：The input insertion of oil pump (2) connects inlet valve
(1) and isolating valve, (18) outfan, the outfan of described oil pump (2) connects first again by the first regeneration inlet valve (3)
The input of raw filter (6), the outfan of the first described regeneration filter (6) regenerates delivery valve (8) insertion by first
Connect the input of an effusion meter (9), the outfan insertion of described effusion meter (9) connects the input of a fine filter (10)
End, the input of described outfan parallel circulating valve (15), delivery valve (12) and sampling valve (11) of fine filter (10), described
The outfan insertion of circulating valve (15) connect the input of fuel tank (16), the outfan insertion of described fuel tank (16) connects institute
The input of the isolating valve, (18) stated, on the oil circuit between described isolating valve, (18) and described oil pump (2), also insertion connects
There is a pressure regulator valve (14), the other end also insertion of described pressure regulator valve (14) is connected with a pressure controller (15), described
The other end insertion of pressure controller (15) connect described oil pump (2) and regenerate between filter (6) with described first
Oil circuit, installs having heaters (17) in described fuel tank (16), superhigh temperature protector (19) and the 3rd permeation valve (20) with described
Fuel tank (16) insertion connect；The first described regeneration filter (6) is connected with the first permeation valve (22) and first pressure table
(24).
2. oil for electric power Regeneration Treatment according to claim 1 analog it is characterised in that：Second regeneration filter
(21) input is connected with the outfan insertion of described oil pump (2) by the second regeneration inlet valve (4), and described second again
Insertion on oil circuit between the outfan of raw filter (21) and the described input of effusion meter (9) is connected with one second again
Bear fuel tap (7), the input of the described outfan of the second regeneration filter (21) and the described first regeneration filter (6)
Between oil circuit on insertion be connected with a connection in series-parallel selector valve (5)；The second described regeneration filter (21) is connected with second
Permeation valve (23) and second pressure table (25).
3. the method that usage right requires the analog of oil for electric power Regeneration Treatment described in 2, is characterized in that：Walk including following
Suddenly：
Oiling：
Connection inlet valve, closing pressure-regulating valve, connection the first regeneration inlet valve, connect connection in series-parallel selector valve, connection second regenerates
Fuel tap, closing the second regeneration inlet valve, closing the first regeneration delivery valve, closing sampling valve, closing draining valve, communication loop valve,
Open oil pump to tank filling, after oil sample needed for injection testing, close oil pump；
Regeneration Treatment：
Close fuel feeding valve, connect pressure regulator valve, connection first regeneration inlet valve and the second regeneration inlet valve, connection first regeneration is fuel-displaced
Valve and the second regeneration delivery valve, close sampling valve, close draining valve, communication loop valve, open oil pump, oil starts in systems again
Raw；Flow through the first regeneration filter and the flow velocity of the second regeneration filter by adjusting pressure regulator valve aperture regulation oil, by adjusting
Connection in series-parallel selector valve changes the first regeneration filter and the connection in series-parallel state of the second regeneration filter, and oil passes through heating in fuel tank
Device is heated to test temperature, by oil pump to the first regeneration filter and the second regeneration filter, the first regeneration filter and the
It is filled with test adsorbent in two regeneration filters, the polar decomposition product in oil, metal ion, active sulfur and impurity are had
Selective absorption performance, the oil after adsorption treatment when fine filter it is ensured that the granularity in oil meets the requirements, then allow through
The oil that fine filter filters returns in fuel tank, constantly circulates between fuel tank and filter element, until oil quality is qualified or is not being lifted；
Sampling：
Connection sampling valve is sampling, closes sampling valve after the completion of sampling；
Oil extraction：
Connection delivery valve, cuts out circulation valve device and starts oil extraction outward, and oil extraction closes delivery valve after terminating.
4. the method for the analog of use oil for electric power Regeneration Treatment according to claim 3, is characterized in that：Above-mentioned again
In raw process step, described adsorbent is kieselguhr, silica gel, activated alumina, molecular sieve or highly polar si-al-adsorbent.
5. the method for the analog of use oil for electric power Regeneration Treatment according to claim 3, is characterized in that：Above-mentioned again
In raw process step, oil is heated to test temperature by heater in fuel tank, and described test temperature is 50～100 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610903489.2A CN106422498A (en) | 2016-10-17 | 2016-10-17 | Simulation device of regeneration process of oil for power supply industry and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610903489.2A CN106422498A (en) | 2016-10-17 | 2016-10-17 | Simulation device of regeneration process of oil for power supply industry and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106422498A true CN106422498A (en) | 2017-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610903489.2A Pending CN106422498A (en) | 2016-10-17 | 2016-10-17 | Simulation device of regeneration process of oil for power supply industry and use method thereof |
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| CN (1) | CN106422498A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987059A (en) * | 2018-08-01 | 2018-12-11 | 罗固事 | A kind of processing method of de- electrostatic oil filter and transformer DC magnetic bias |
| CN114965740A (en) * | 2022-04-19 | 2022-08-30 | 广东电网有限责任公司广州供电局 | Transformer oil pipe control method and transformer fault diagnosis method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2100302A1 (en) * | 1993-07-12 | 1995-01-13 | Nouredine Fakhri | Process for regenerating used oils |
| CN200955422Y (en) * | 2006-09-06 | 2007-10-03 | 王庆生 | Oil-purifying apparatus |
| CN201208532Y (en) * | 2008-05-27 | 2009-03-18 | 柏老六 | Connection structure of filter |
| CN201735253U (en) * | 2010-06-09 | 2011-02-09 | 三河沃达液压控制系统有限公司 | Filtering device and turbine regulating device |
| CN102796607A (en) * | 2011-05-27 | 2012-11-28 | 王文兵 | Device and method for regenerating phosphate ester fire-resistant oil |
| CN103965951A (en) * | 2014-05-21 | 2014-08-06 | 国家电网公司 | Corrosive sulfur removal device for insulating oil |
-
2016
- 2016-10-17 CN CN201610903489.2A patent/CN106422498A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2100302A1 (en) * | 1993-07-12 | 1995-01-13 | Nouredine Fakhri | Process for regenerating used oils |
| CN200955422Y (en) * | 2006-09-06 | 2007-10-03 | 王庆生 | Oil-purifying apparatus |
| CN201208532Y (en) * | 2008-05-27 | 2009-03-18 | 柏老六 | Connection structure of filter |
| CN201735253U (en) * | 2010-06-09 | 2011-02-09 | 三河沃达液压控制系统有限公司 | Filtering device and turbine regulating device |
| CN102796607A (en) * | 2011-05-27 | 2012-11-28 | 王文兵 | Device and method for regenerating phosphate ester fire-resistant oil |
| CN103965951A (en) * | 2014-05-21 | 2014-08-06 | 国家电网公司 | Corrosive sulfur removal device for insulating oil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987059A (en) * | 2018-08-01 | 2018-12-11 | 罗固事 | A kind of processing method of de- electrostatic oil filter and transformer DC magnetic bias |
| CN114965740A (en) * | 2022-04-19 | 2022-08-30 | 广东电网有限责任公司广州供电局 | Transformer oil pipe control method and transformer fault diagnosis method |
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Application publication date: 20170222 |
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