CN108970229A - The filter device of magnetic impurity in a kind of removal transformer oil - Google Patents
The filter device of magnetic impurity in a kind of removal transformer oil Download PDFInfo
- Publication number
- CN108970229A CN108970229A CN201810890701.5A CN201810890701A CN108970229A CN 108970229 A CN108970229 A CN 108970229A CN 201810890701 A CN201810890701 A CN 201810890701A CN 108970229 A CN108970229 A CN 108970229A
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- Prior art keywords
- magnetic
- transformer oil
- funnel
- filtration screen
- magnetic filtration
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- 239000012535 impurity Substances 0.000 title claims abstract description 47
- 238000001914 filtration Methods 0.000 claims abstract description 108
- 239000002828 fuel tank Substances 0.000 claims abstract description 40
- 239000000835 fiber Substances 0.000 claims abstract description 18
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 239000000446 fuel Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- 238000005266 casting Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 230000032683 aging Effects 0.000 description 5
- 239000006247 magnetic powder Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- NMFHJNAPXOMSRX-UHFFFAOYSA-N [3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] 1-[2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C=1C(OC)=C(OC)C(OC)=CC=1C(CC)C(=O)N1CCCCC1C(=O)OC(C=1C=C(OCCN2CCOCC2)C=CC=1)CCC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/06—Filters making use of electricity or magnetism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Water Supply & Treatment (AREA)
- Transformer Cooling (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of filter devices of magnetic impurity in removal transformer oil, comprising: funnel, conduit, fuel tank and the first magnetic filtration screen；The spout of funnel of funnel is connected to fuel tank by conduit；First magnetic filtration screen is installed in funnel, for filtering transformer oil；First magnetic filtration screen is the magnetic plate of tool and the first Magnetic filtration device is provided with spiral helicine through-hole on the net, so that transformer oil is from through-hole by removing magnetic impurity when the first magnetic filtration screen.The present invention is by having magnetic and being provided with the first magnetic filtration screen setting of spiral helicine through-hole on funnel above, when transformer oil is from funnel toward when flowing down, by passing through when the first magnetic filtration screen from spiral helicine through-hole, it can make to generate vortex in transformer oil filter process, increase transformer oil and Magnetic filtration device channel contact time, and accelerate to remove the rate of filtration of magnetic impurity in transformer oil, magnetic impurity is efficiently removed, effectively acquisition fiber grain.
Description
Technical field
The present invention relates to a kind of mistakes of magnetic impurity in transformer's oil-treatment technical field more particularly to removal transformer oil
Filter device.
Background technique
In electric energy transmission system, power transformer converts the key equipment with transmission, safe and reliable operation as electric energy
The power supply quality of the entire power grid of relationship.Especially as the hub device of electric system, large oil immersed power transformer it is exhausted
Edge operation conditions quality and the general level of the health are directly related to the safety and stablization of power grid.With the transformer station high-voltage side bus time limit increase its
Insulation performance constantly deteriorates.Cellulosic molecule hair under the effect of minor amount of water, temperature and oxygen, in Solid Insulation of Power Transformer
Raw degradation, makes fiber die down, shorten, causes the degree of polymerization of fiber to reduce, directly affect the insulation performance of solid insulating material.Mesh
Before, solid insulating and aging degrees of transformer diagnosis depends on the indirect means such as the measurement of oiling index, and it is complicated for operation, and by
The limitation of measuring device accuracy, diagnostic result confidence level is lower to be likely to cause erroneous judgement, cannot timely and effectively propose to overhaul
Opinion.The fiber grain in oil is fallen to as research object, by the aging for studying fiber grain using insulating paper in ageing process
Degree intuitively reacts the degree of aging of insulating paper.
Therefore, transformer oil is extracted, the fiber grain then analyzed inside transformer oil is those skilled in the art
The important means of member's research solid insulating and aging degrees of transformer.And the magnetic impurity in transformer oil can usually interfere with fiber
The analysis of particle causes the problem of analysis inaccuracy.Technical staff analysis transformer oil inside fiber grain before, need by
Magnetic impurity removal in transformer oil.
It therefore, how to be that those skilled in the art need the technology solved to ask by the magnetic impurity removal in transformer oil
Topic.
Summary of the invention
The present invention provides a kind of filter devices of magnetic impurity in removal transformer oil, for how solving by transformer
The technical issues of magnetic impurity in oil removes.
The filter device of magnetic impurity in a kind of removal transformer oil provided by the invention, comprising: funnel, conduit, fuel tank
With the first magnetic filtration screen；
The spout of funnel of funnel is connected to fuel tank by conduit；
First magnetic filtration screen is installed in funnel, for filtering transformer oil；
First magnetic filtration screen is the magnetic plate of tool and the first Magnetic filtration device is provided with spiral helicine through-hole on the net, is made
Transformer oil is obtained from through-hole by removing magnetic impurity when the first magnetic filtration screen.
Preferably,
The S-type rule variation of the inner wall of through-hole.
Preferably,
The device further includes the second magnetic filtration screen, and the second magnetic filtration screen is identical as the first Magnetic filtration device web frame；
Second magnetic filtration screen is set to below the first magnetic filtration screen, for further filtering transformer oil.
Preferably,
The number of through-holes of second magnetic filtration screen is greater than the number of through-holes of the first magnetic filtration screen.
Preferably,
The device further includes third filter screen；
Third filter screen is set to above the spout of funnel of funnel, obtains the fiber of required partial size for filtering transformer oil
Grain.
Preferably, the quantity of funnel is two, and identical component is both provided on two funnels (can have identical the
One magnetic filtration screen, the second magnetic filtration screen, third filter screen etc.).
Preferably,
The device further includes rubber piston；
Rubber piston is set between conduit and fuel tank, so that conduit and fuel tank are tightly connected.
Preferably,
The device further includes vacuum pump；
Vacuum pump connects fuel tank.
Preferably,
The device further includes liquid level display column；
Liquid level display column is installed on fuel tank, for showing the liquid level of fuel tank.
Preferably,
The device further includes fuel outlet valve；
Fuel outlet valve connects fuel tank.
Preferably,
The device further includes shield；
Shield is removably installed on funnel.
As can be seen from the above technical solutions, the invention has the following advantages that
The filter device of magnetic impurity in a kind of removal transformer oil provided by the invention, comprising: funnel, conduit, fuel tank
With the first magnetic filtration screen；The spout of funnel of funnel is connected to fuel tank by conduit；First magnetic filtration screen is installed in funnel, is used
In filtering transformer oil；First magnetic filtration screen be have magnetic plate and the first Magnetic filtration device be provided on the net it is spiral helicine
Through-hole, so that transformer oil is from through-hole by removing magnetic impurity when the first magnetic filtration screen.The present invention by have it is magnetic and
The first magnetic filtration screen for being provided with spiral helicine through-hole above is arranged on funnel, when transformer oil is from funnel toward when flowing down
It waits, by passing through when the first magnetic filtration screen from spiral helicine through-hole, can make to generate vortex in transformer oil filter process, increase
Transformer oil and Magnetic filtration device channel contact time, and accelerate to remove the rate of filtration of magnetic impurity in transformer oil, efficiently
Magnetic impurity is removed, effectively acquisition fiber grain.
Detailed description of the invention
It in order to illustrate the embodiments of the present invention more clearly, below will be to required use in embodiment or description of the prior art
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without any creative labor, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that one embodiment of the filter device of magnetic impurity in a kind of removal transformer oil provided by the invention is shown
It is intended to；
Fig. 2 a be it is provided by the invention it is a kind of removal transformer oil in magnetic impurity filter device one embodiment in
The top view of first magnetic filtration screen；
Fig. 2 b be it is provided by the invention it is a kind of removal transformer oil in magnetic impurity filter device one embodiment in
The front view of first magnetic filtration screen；
Fig. 3 is to use in one embodiment of the filter device of magnetic impurity in a kind of removal transformer oil provided by the invention
In the schematic diagram for the S-type rule variation of inner wall for illustrating through-hole；
Fig. 4 is in a kind of removal transformer oil provided by the invention the in one embodiment of the filter device of magnetic impurity
The schematic diagram of two magnetic filtration screens；
Fig. 5 is in a kind of removal transformer oil provided by the invention the in one embodiment of the filter device of magnetic impurity
The top view of three filter screens；
Wherein, appended drawing reference are as follows:
1: shield, 2: funnel, 3: the first magnetic filtration screens, 4: the second magnetic filtration screens, 5: third filter screen, 6: leading
Pipe, 7: inlet valve, 8: rubber piston, 9: fuel tank, 10: liquid level display column, 11: fuel outlet valve, 12: pedestal, 13: pressure gauge, 14: true
Sky pump, 15: through-hole.
Specific embodiment
The present invention provides a kind of filter devices of magnetic impurity in removal transformer oil, for how solving by transformer
The technical issues of magnetic impurity in oil removes.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Referring to Fig. 1, a kind of implementation for removing the filter device of magnetic impurity in transformer oil provided by the invention
Example, comprising: funnel 2, conduit 6, fuel tank 9 and the first magnetic filtration screen 3；
The spout of funnel of funnel 2 is connected to fuel tank 9 by conduit 6；
First magnetic filtration screen 3 is installed in funnel 2, for filtering transformer oil；
First magnetic filtration screen 3 is to have to be provided with spiral helicine through-hole on magnetic plate and the first magnetic filtration screen 3
15, so that transformer oil is from through-hole 15 by removing magnetic impurity when the first magnetic filtration screen 3.
Fig. 2 a and Fig. 2 b is please referred to, the first magnetic filtration screen 3 will be described in detail below.First magnetic filtration screen
3 are pressed by magnetic powder casting, and being pressed into top pole polarity by magnetic powder casting is the pole N, and lower section pole polarity is that the pole S (is also possible to top
Pole polarity is the pole S, and lower section pole polarity is the pole N) magnetic plate, the surrounding of the plate matches with 2 inner wall of funnel；Then exist
The different spiral line passage (spiral helicine through-hole 15) of number, spiral line passage (spiral shell are formed by casting technique on magnetic plate
Revolve the through-hole 15 of shape) magnetic plate or more is penetrated through, the first magnetic filtration screen 3 can be made according to this sampling technology.
The present invention is by having magnetic and being provided with the first magnetic filtration screen 3 setting of spiral helicine through-hole 15 in funnel above
On 2, when transformer oil flows down from funnel 2 is past, by passing through when the first magnetic filtration screen 3 from spiral helicine through-hole 15,
It can make to generate vortex in transformer oil filter process, increase transformer oil and Magnetic filtration device channel contact time, and accelerate to go
Except the rate of filtration of magnetic impurity in transformer oil, magnetic impurity is efficiently removed, effectively acquisition fiber grain.
Further,
Referring to Fig. 3, the S-type rule variation of the inner wall of through-hole 15.
It include the partial enlarged view of spiral line passage (spiral helicine through-hole 15) in Fig. 3, from the rectangle of the partial enlarged view
Position schematic block can be seen that the S-type rule variation of inner wall of through-hole 15, and transformer oil flows to the right side on the left of partial enlarged view
Side.
Further,
Referring to Fig. 4, the device further includes the second magnetic filtration screen 4, the second magnetic filtration screen 4 and the first magnetic filtration screen
3 structures are identical；
Referring to Fig. 4, the second magnetic filtration screen 4 will be described in detail below.Second magnetic filtration screen 4 is by magnetic powder
Casting is pressed, and being pressed into top pole polarity by magnetic powder casting is the pole N, and lower section pole polarity is that the pole S (is also possible to top pole polarity
For the pole S, lower section pole polarity is the pole N) magnetic plate, the surrounding of the plate matches with 2 inner wall of funnel；Then in magnetic plate
Upper to form the different spiral line passage (spiral helicine through-hole 15) of number by casting technique, spiral line passage is (spiral helicine logical
Hole 15) magnetic plate or more is penetrated through, the second magnetic filtration screen 4 can be made according to this sampling technology.
Referring to Fig. 1, the second magnetic filtration screen 4 is set to 3 lower section of the first magnetic filtration screen, for further filtering transformation
Device oil.
Further,
15 number of through-hole of second magnetic filtration screen 4 is greater than 15 number of through-hole of the first magnetic filtration screen 3.Please refer to Fig. 2 a
With Fig. 2 b and Fig. 4,15 number of through-hole of the first magnetic filtration screen 3 is 6 in Fig. 2 a and Fig. 2 b, and the second magnetic filtration screen 4 leads to
15 number of hole is 19 in Fig. 4, but this is the signal in Fig. 2 a and Fig. 2 b and Fig. 4, does not represent the through-hole of actual design
15 numbers, generally, 15 number of through-hole that the first magnetic filtration screen 3 is arranged in the present embodiment is 30, the second magnetic filtration screen 4
15 number of through-hole is 100.
Further, which further includes third filter screen 5；
Third filter screen 5 is set to above the spout of funnel of funnel 2, obtains the fiber of required partial size for filtering transformer oil
Particle.After transformer oil has filtered, the fiber grain of required partial size can be obtained from third filter screen 5.
Further, which can be set multiple funnels 2 that filter screen is provided with such as above-mentioned the inside, i.e. funnel 2
Quantity can have many, but in order to increase filter efficiency while saves cost, and it is optimal side that two funnels 2, which are arranged,
Case.
Therefore, the quantity of the funnel 2 of Fig. 1 is two in the present embodiment, is provided with identical component (i.e. on two funnels 2
Can there are identical first magnetic filtration screen 3, the second magnetic filtration screen 4, third filter screen 5 etc.).Correspondingly, conduit 6 is specially
Two-in-one conduit.
Further, which further includes rubber piston 8；
Rubber piston 8 is set between conduit 6 and fuel tank 9, so that conduit 6 and fuel tank 9 are tightly connected.
Further, which further includes vacuum pump 14；Vacuum pump 14 connects fuel tank 9.Vacuum pump 14 is taken out for oil dropping apparatus 9
Vacuum, so that the transformer oil on funnel 2 is faster filled into fuel tank 9.
Pressure gauge 13 is additionally provided on vacuum pump 14, for showing the pressure of vacuum pump 14.
Further, which further includes liquid level display column 10；Liquid level display column 10 is installed on fuel tank 9, for showing
The liquid level of fuel tank 9.Liquid level display column 10 can be the transparent part on 9 shell of fuel tank, indicate scale above.
Further, which further includes fuel outlet valve 11；Fuel outlet valve 11 connects fuel tank 9.Fuel outlet valve 11 is put for fuel tank 9
Oil.
Further, which further includes shield 1；Shield 1 is removably installed on funnel 2.Shield 1 is loaded onto
When can prevent from falling on funnel 2 under dust in air, when needing to add transformer oil, shield 1 can be removed.
Further, inlet valve 7 can also be set on the conduit 6 of the device, can control the start-stop and speed of filtering.
Further, which further includes pedestal 12, and pedestal 12 is mounted on fuel tank 9 in the following, being used to support whole device.
The purpose of the present invention is the filter methods by magnetic impurity in a kind of efficiently removal transformer oil, solve existing
The filter method low separation efficiency of fiber grain and the problem of transformer oil magnetic impurity cannot be removed in transformer oil.Using
Spiral line type Magnetic filtration device channel (spiral helicine through-hole 15) is set using earth rotation effects, and in conjunction with S type Magnetic filtration device channel
Meter can make to generate vortex in transformer oil filter process, increase transformer oil and Magnetic filtration device channel contact time, and accelerate
The rate of filtration for removing magnetic impurity in transformer oil, efficiently removes magnetic impurity, effectively acquisition fiber grain.
In the present embodiment removal transformer oil in magnetic impurity filter device, including stainless steel funnel 2, filter screen,
Fuel tank 9 and vacuum pump 14.Setting is there are three card slot in stainless steel funnel 2, be followed successively by from top to bottom the first magnetic filtration screen 3,
Second magnetic filtration screen 4, third filter screen 5 (the first magnetic filtration screen 3 and the second magnetic filtration screen 4 be all stay pressure by magnetic powder and
At.Pole polarity is the pole N above magnetic filtration screen, and lower section pole polarity is the pole S, to form closed magnetic circuit.Magnetic filtration device Netcom
It crosses to stay and makes technique, form the different spiral line passage of number.In transformer oil filter process, transformer oil can be along spiral
Line passage flows to next process.Filter effect in order to further increase simultaneously, helix channel internal diameter be not it is unalterable,
Along helix filtration channel, internal diameter is with the variation of S type rule.The magnet ring number of first magnetic filtration screen 3 is 30, the second Magnetic filtration device
The magnet ring number of net 4 is 100,400 mesh of mesh number of third filter screen 5).Stainless steel funnel 2 top place shield, to prevent
During test, pollution of the sample by outside air.
The present invention is based on the filter device examples of magnetic impurity in efficient removal transformer oil as shown in Figure 1, showing in structure
In intention, in stainless steel funnel 2 three different filter screens is successively installed from top to bottom, is the first magnetic filtration screen 3, second respectively
Magnetic filtration screen 4, third filter screen 5.Stainless steel funnel 2 is connected by conduit 6 with fuel tank 9, and fuel tank 9 is filtered for holding
Inlet valve 7 is arranged in transformer insulation oil at conduit 6, and liquid level display column 10 is installed on fuel tank, and liquid level display column 10 is used for
Indicate insulating oil liquid level in current fuel tank 9, fuel outlet valve 11 is installed in 9 bottom of fuel tank.Fuel tank 9 is connected with vacuum pump 14, is used for
Reduce the pressure in conical flask.When carrying out the experiment of fiber grain in separation transformer oil, inlet valve 7 is closed, and is opened true
After waiting vacuum pump work 5 minutes transformer insulation oil is at the uniform velocity added into stainless steel funnel 2, to transformer insulated in sky pump
Oil close to funnel 2/3 when, lid shield 1, and open inlet valve 7.Under gravity and pressure difference effect, stainless steel funnel
Transformer insulation oil in 2 flows through the first magnetic filtration screen 3, the second magnetic filtration screen 4, third filter screen 5 to fuel tank 9.Due to
First magnetic filtration screen 3 is different with magnet ring number contained by the second magnetic filtration screen 4 and step arrangement is, it can be achieved that insulating oil magnetism is miscellaneous
Matter effectively removes, the mesh number with higher of third filter screen 5, the fiber grain of available required partial size.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. the filter device of magnetic impurity in a kind of removal transformer oil characterized by comprising funnel, conduit, fuel tank and the
One magnetic filtration screen；
The spout of funnel of the funnel is connected to the fuel tank by conduit；
First magnetic filtration screen is installed in the funnel, for filtering transformer oil；
First magnetic filtration screen is the magnetic plate of tool and first Magnetic filtration device is provided with spiral helicine lead on the net
Hole, so that transformer oil is from the through-hole by removing magnetic impurity when first magnetic filtration screen.
2. the filter device of magnetic impurity in a kind of removal transformer oil according to claim 1, which is characterized in that
The S-type rule variation of the inner wall of the through-hole.
3. the filter device of magnetic impurity in a kind of removal transformer oil according to claim 1 or 2, which is characterized in that
It further include the second magnetic filtration screen, second magnetic filtration screen is identical as the first Magnetic filtration device web frame；
Second magnetic filtration screen is set to below first magnetic filtration screen, for further filtering transformer oil.
4. the filter device of magnetic impurity in a kind of removal transformer oil according to claim 3, which is characterized in that described
The number of through-holes of second magnetic filtration screen is greater than the number of through-holes of first magnetic filtration screen.
5. the filter device of magnetic impurity in a kind of removal transformer oil according to claim 1, which is characterized in that also wrap
Include third filter screen；
The third filter screen is set to above the spout of funnel of the funnel, obtains the fibre of required partial size for filtering transformer oil
Tie up particle.
6. the filter device of magnetic impurity in a kind of removal transformer oil according to claim 1, which is characterized in that described
The quantity of funnel is two.
7. the filter device of magnetic impurity in a kind of removal transformer oil according to claim 1, which is characterized in that also wrap
Include rubber piston；
The rubber piston is set between the conduit and the fuel tank, so that the conduit and the fuel tank are tightly connected.
8. the filter device of magnetic impurity in a kind of removal transformer oil according to claim 1, which is characterized in that the dress
Setting further includes vacuum pump；
The vacuum pump connects the fuel tank.
9. the filter device of magnetic impurity in a kind of removal transformer oil according to claim 1, which is characterized in that also wrap
Include liquid level display column；
The liquid level display column is installed on the fuel tank, for showing the liquid level of the fuel tank.
10. the filter device of magnetic impurity in a kind of removal transformer oil according to claim 1, which is characterized in that also
Including shield；
The shield is removably installed on the funnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890701.5A CN108970229B (en) | 2018-08-07 | 2018-08-07 | Filtering device for removing magnetic impurities in transformer oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890701.5A CN108970229B (en) | 2018-08-07 | 2018-08-07 | Filtering device for removing magnetic impurities in transformer oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108970229A true CN108970229A (en) | 2018-12-11 |
| CN108970229B CN108970229B (en) | 2021-07-09 |
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ID=64556043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810890701.5A Active CN108970229B (en) | 2018-08-07 | 2018-08-07 | Filtering device for removing magnetic impurities in transformer oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108970229B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114002102A (en) * | 2021-10-29 | 2022-02-01 | 海南金海浆纸业有限公司 | Method for detecting heavy impurities in papermaking wood chips |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040020835A1 (en) * | 2002-08-02 | 2004-02-05 | Jen-Pen Chang | Magnetizing and activating processing unit for liquid material |
| CN1962022A (en) * | 2005-10-31 | 2007-05-16 | 通用汽车环球科技运作公司 | Powdered metal magnetic filter and method for manufacturing same |
| CN206081815U (en) * | 2016-10-12 | 2017-04-12 | 广东电网有限责任公司电力科学研究院 | Filter of fibre granule in isolating transformer oil |
| CN108097060A (en) * | 2017-12-25 | 2018-06-01 | 合肥万呈鑫陶瓷膜科技有限公司 | A kind of ceramic membrane of good filtration effect |
-
2018
- 2018-08-07 CN CN201810890701.5A patent/CN108970229B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040020835A1 (en) * | 2002-08-02 | 2004-02-05 | Jen-Pen Chang | Magnetizing and activating processing unit for liquid material |
| CN1962022A (en) * | 2005-10-31 | 2007-05-16 | 通用汽车环球科技运作公司 | Powdered metal magnetic filter and method for manufacturing same |
| CN206081815U (en) * | 2016-10-12 | 2017-04-12 | 广东电网有限责任公司电力科学研究院 | Filter of fibre granule in isolating transformer oil |
| CN108097060A (en) * | 2017-12-25 | 2018-06-01 | 合肥万呈鑫陶瓷膜科技有限公司 | A kind of ceramic membrane of good filtration effect |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114002102A (en) * | 2021-10-29 | 2022-02-01 | 海南金海浆纸业有限公司 | Method for detecting heavy impurities in papermaking wood chips |
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| CN108970229B (en) | 2021-07-09 |
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