CN109524199A - A kind of oil-immersed transformer recycled using buffering is squeezed - Google Patents
A kind of oil-immersed transformer recycled using buffering is squeezed Download PDFInfo
- Publication number
- CN109524199A CN109524199A CN201811633624.1A CN201811633624A CN109524199A CN 109524199 A CN109524199 A CN 109524199A CN 201811633624 A CN201811633624 A CN 201811633624A CN 109524199 A CN109524199 A CN 109524199A
- Authority
- CN
- China
- Prior art keywords
- oil
- outline border
- buffering
- fuel tank
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003139 buffering effect Effects 0.000 title claims abstract description 14
- 230000009466 transformation Effects 0.000 claims abstract description 31
- 239000002828 fuel tank Substances 0.000 claims abstract description 18
- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 30
- 238000007906 compression Methods 0.000 claims description 30
- 230000009977 dual effect Effects 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 10
- 230000008021 deposition Effects 0.000 claims description 8
- 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 claims description 7
- 239000000203 mixture Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 43
- 239000012535 impurity Substances 0.000 abstract description 7
- 239000010720 hydraulic oil Substances 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000000295 fuel oil Substances 0.000 abstract description 2
- 238000010992 reflux Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fats And Perfumes (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a kind of oil-immersed transformers recycled using buffering is squeezed, its structure includes: transformation case, firm banking, radiate oil pipe, fuel tank, oil injection head, shield, high pressure connection, transformation case is vertically welded in the upper end of firm banking and right side is connected with the tube head of heat dissipation oil pipe, heat dissipation oil pipe is fixed on the right side of fuel tank and inside communicates, oil injection head is fitted tightly over the left side of fuel tank in 30 ° of oblique angles, shield is installed in the left side of fuel tank and oil injection head is covered in inside, in summary, the present invention facilitates convenience when coil hoisting detection after improving, simultaneously can using fall after rise pressure by hydraulic oil steam and impurity progress reflux and filter, and second protection is carried out to the coil group for returning dress using the buffering of hydraulic oil, it is very convenient.
Description
Technical field
The present invention relates to a kind of transformers, are a kind of oil-immersed transformers recycled using buffering is squeezed particularly.
Background technique
Oil-immersed transformer has good insulation performance, and internal transformer oil viscosity is low and good heat dissipation effect, can be very
Iron core and winding are protected well, the influence from moisture in air and being of relatively low cost is widely used, and is needed after shipping
Whether the position that lifted to check inner-core coil to transformer is normal but some during lifting asks
Topic:
The case where transformer core will appear rotational wobble during vertical lifting, does not notice that its corner is easy to slightly
The inner wall of outline border is caused to wear, just will affect its leakproofness over time, transformer is made to be easy to appear fault, and makes to grasp
Strict control speed is needed when resting below boom as personnel and be very dangerous behavior, and reinstall whereabouts, with
And adjust the position of Inside coil, very elapsed time.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of oil-immersed transformer recycled using buffering is squeezed.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of to be buffered into using squeezing
Row recycling oil-immersed transformer, structure include: transformation case, firm banking, heat dissipation oil pipe, fuel tank, oil injection head, shield,
High pressure connection, the transformation case is vertically welded in the upper end of firm banking and right side is connected with the tube head of heat dissipation oil pipe, described
Heat dissipation oil pipe is fixed on the right side of fuel tank and inside communicates, and the oil injection head is fitted tightly over the left side of fuel tank in 30 ° of oblique angles,
The shield is installed in the left side of fuel tank and oil injection head is covered in inside, and the high pressure connection sets there are three and uniformly pacifies
It is located at the top of transformation case, and is connected with internal circuit, described its internal structure of transformation case includes: sliding sash, transformation group, oil
The armature of valve, outline border, dual flow filter, compression valve, transformation group bottom is bolted on the bottom of sliding sash, the cunning
The outer wall of frame is mutually nested with outline border, and the dual flow filter sets there are two and is vertically fixed on the bottom of outline border, the pressure
Contracting valve horizontal nest is in the through-hole of sliding sash bottom, there are three the oil valve is set, and it is tight with the internal screw thread of the through-hole of outline border two sides
Close occlusion.
As a further improvement of the present invention, the dual flow filter by go out stream head, fixed outline border, refined filtration plug, diversion column,
Divide filter bottom disk composition, the left side that the head of stream out is welded on fixed outline border is top, and forms integral structure, the refined filtration plug
Filter bottom the groove of the diversion column bottom end and is divided in a straight line and the inside groove of the fixed outline border of its outer wall in axis and diversion column axle center
The axle sleeve of protrusion is mutually nested in the middle part of disk, and described point of filter chassis level is installed in the bottom of fixed outline border.
As a further improvement of the present invention, described to divide filter bottom disk by ring flat-plate, deposition base ring, nested pedestal, carousel, divide
It is formed from filter disc, the arc-shaped shape of the ring flat-plate and the right side upper wall for being vertically welded in deposition base ring, the nesting pedestal and top
The diversion column mesoporous in portion mutually agrees with, and the separation filter disc level is installed in the bottom of carousel.
As a further improvement of the present invention, the compression valve is by around axis, compression plate, interval elastic slice, limit slide bar, fixation
Pedestal composition, by being connected around axis with firm banking, the slide-bar of the limit slide bar two sides is nested in the compression plate left side
Between firm banking and compression plate, the interval elastic slice is installed in the top of compression plate by glue connection.
As a further improvement of the present invention, the bottom of the outline border inner wall is equipped with the distributing damper of hump shape.
As a further improvement of the present invention, the oil valve is set there are four the upper and lower ends for being separately fixed at outline border, static
It is communicated under state with pipeline on the inside of sliding sash.
As a further improvement of the present invention, the cover board width at the top of the sliding sash is greater than the cross section of outline border, and bottom
Equipped with sealing ring.
As a further improvement of the present invention, the separation filter disc is formed and is mutually staggered by multistorey strainer mesh, and there are one
Fixed gap.
The beneficial effects of the present invention are:
Transformation group is placed in sliding sash by the transformation case after optimization, more firm to the fixation of Inside coil, and is being installed
During being lifted due to sliding sash and the protection of outline border when vertical sling coil there is no shaking, and
Detection is able to maintain flat vertical and falls during finishing back dress, internal hydraulic oil direction squeezed during falling make it is interior
The steam and impurity in portion are quickly filtered, and are preferably utilized pressure when falling after rise and be can be avoided due to falling too fast make after rise
At shaking situation.
In conclusion the present invention facilitates convenience when coil hoisting detects after improving, while falling can be utilized
Pressure by hydraulic oil steam and impurity carry out reflux and filter, and using hydraulic oil buffering to return dress coil group
Second protection is carried out, it is very convenient.
Detailed description of the invention
Fig. 1, which is that the present invention is a kind of, utilizes the structural schematic diagram for squeezing the oil-immersed transformer that buffering is recycled.
Fig. 2 is the structural schematic diagram of transformation case of the present invention.
Fig. 3 is the structural schematic diagram of dual flow filter of the present invention.
Fig. 4 is the structural schematic diagram of compression valve of the present invention.
Fig. 5 is the structural schematic diagram that the present invention divides filter bottom disk.
Fig. 6 is that transformation case of the present invention lifts isolated structural schematic diagram.
Fig. 7 is the schematic perspective view of present invention separation filter disc.
Fig. 8 is the decomposition texture schematic diagram of present invention separation filter disc.
In figure: transformation case -1, firm banking -2, heat dissipation oil pipe -3, fuel tank -4, oil injection head -5, shield -6, high-voltage connecting
Head -7, transformation group -12, oil valve -13, outline border -14, dual flow filter -15, compression valve -16, goes out stream head -151, is solid sliding sash -11
Determine outline border -152, refined filtration plug -153, diversion column -154, divide filter bottom disk -155, ring flat-plate -1551, deposition base ring -1552, nested bottom
Seat -1553, carousel -1554 separate filter disc -1555, around axis -161, compression plate -162, interval elastic slice -163, limit slide bar -
164, firm banking -165.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, FIG. 1 to FIG. 8
The structure of the transformation case of embodiment of the present invention is schematically shown, With reference to embodiment, this is further described
Invention.
Embodiment
As Figure 1-Figure 8, the present invention provides a kind of oil-immersed transformer recycled using buffering is squeezed, structure
It include: transformation case 1, firm banking 2, heat dissipation oil pipe 3, fuel tank 4, oil injection head 5, shield 6, high pressure connection 7, the transformation case 1
It is vertically welded in the upper end of firm banking 2 and right side is connected with the tube head of heat dissipation oil pipe 3, the heat dissipation oil pipe 3 is fixed on oil
The right side and inside of case 4 communicate, and the oil injection head 5 is fitted tightly over the left side of fuel tank 4 in 30 ° of oblique angles, and the shield 6 is pacified
It is located at the left side of fuel tank 4 and oil injection head 5 is covered in into inside, the high pressure connection 7 sets there are three and is uniformly installed in transformation
The top of case 1, and be connected with internal circuit, described its internal structure of transformation case 1 includes: sliding sash 11, transformation group 12, oil valve
13, the armature of outline border 14, dual flow filter 15, compression valve 16,12 bottom of transformation group is bolted on sliding sash 11
The outer wall of bottom, the sliding sash 11 is mutually nested with outline border 14, and the dual flow filter 15 sets there are two and is vertically fixed on
The bottom of outline border 14,16 horizontal nest of compression valve is in the through-hole of 11 bottom of sliding sash, there are three the oil valve 13 is set, and with
The internal screw thread of the through-hole of 14 two sides of outline border is closely engaged, and above-mentioned oil valve 13 connects fuel tank 4 and the heat dissipation oil pipe 3 on right side is constituted back
Road makes heat-conducting area more sufficiently radiate greatly.
As a further improvement of the present invention, the dual flow filter 15 is by going out stream head 151, fixed outline border 152, refined filtration plug
153, diversion column 154, divide filter bottom disk 155 to form, it is described go out stream head 151 be welded on fixed outline border 152 left side it is top, and shape
Into a single integrated structure, the axis of the refined filtration plug 153 and 154 axle center of diversion column are in a straight line and the fixed outline border 152 of its outer wall
Inside groove, the groove of 154 bottom end of diversion column is mutually nested with the axle sleeve of 155 middle part protrusion of filter bottom disk is divided, described to divide filter bottom disk
155 levels are installed in the bottom of fixed outline border 152, and above-mentioned 154 surface of diversion column is uniformly arranged raised horizontal stripe for flowing
Oil body is oriented to the upper end of refined filtration plug 153, simultaneously because bottom divides 155 right side end point of filter bottom disk to be equipped with ring flat-plate 1551, the bottom of close to
The flow velocity in portion is low to be conducive to contamination precipitation.
As a further improvement of the present invention, described to divide filter bottom disk 155 by ring flat-plate 1551, deposition base ring 1552, nested bottom
Seat 1553, carousel 1554, separation filter disc 1555 form, and the arc-shaped shape of the ring flat-plate 1551 and are vertically welded in deposition base ring
1552 right side upper wall, the nesting pedestal 1553 and 154 mesoporous of diversion column at top mutually agree with, the separation filter disc 1555
Level is installed in the bottom of carousel 1554.
As a further improvement of the present invention, the compression valve 16 is by around axis 161, compression plate 162, interval elastic slice 163, limit
Position slide bar 164, firm banking 165 form, and 162 left side of compression plate around axis 161 with firm banking 165 by being connected, institute
The slide-bar for stating limit 164 two sides of slide bar is nested between firm banking 165 and compression plate 162, and the interval elastic slice 163 passes through glue
Connection is installed in the top of compression plate 162, above-mentioned interval elastic slice 163 can make when compression plate 162 receives extruding by
The oil circuit of bottom shuts off, and guarantees the effect of compression filtering.
As a further improvement of the present invention, the bottom of 14 inner wall of outline border is equipped with the distributing damper of hump shape, shunts
On the one hand plate is shunted, and can more preferably be filtered the impurity of precipitating toward two sides guidance.
As a further improvement of the present invention, the oil valve 13 is set there are four the upper and lower ends for being separately fixed at outline border 14,
It is communicated under stationary state with 11 inside pipeline of sliding sash, the pressure of bottom transformer oil compression is improved in such a way that two break and shut off,
The speed for making steam be squeezed separation, while transformation group 12 capable of being delayed to fall.
As a further improvement of the present invention, the cover board width at 11 top of sliding sash is greater than the cross section of outline border 14, and
Bottom is equipped with sealing ring.
As a further improvement of the present invention, the separation filter disc 1555 is formed and is mutually staggered by multistorey strainer mesh, is deposited
In certain gap, gap can make impurity absorption in inside, not influenced by Top fluidic.
Working principle:
Transformation case 1 is installed in the top of firm banking 2 and then two sides carry out heat dissipation by heat dissipation oil pipe 3 and fuel tank 4 carries out
Insulating oil is stored, oil injection head 5 is used to replace filling oil product, is usually protected by external shield 6.
First the high pressure connection 7 at 1 top of transformation case is disassembled when carrying out lifting detection before installation, then by sliding sash
11 sling, and internal transformation group 12 also rises with it, and the oil valve 13 of 14 two sides of outline border is blocked by the table wall of sliding sash 11 at this time, avoid
Splash is to outside in the process of ascension for oil circuit constant conduction, and insulating oil in sliding sash 11 is by the firm banking 165 of compression valve 16
Upper compression plate 162 is pushed open, due to around axis 161 install with two sides and have limit slide bar 164 protected, insulating oil to middle part flow
It drops down and reduces the case where splash mixes with air.
It is retracted when maintenance finishes to be squeezed the falling compression plate 162 of sliding sash 11 by the tension of insulating oil pasta, and is spaced bullet
Piece 163 is sealed protection, and during slow fall, insulating oil flows in dual flow filter 15 compression plate 162, by leading
Fluidization tower 154 flows to refined filtration plug 153 and is then flowed out again by going out stream head 151, during which ring flat-plate 1551 of the impurity due to dividing filter bottom disk 155
Baffle is carried out, impurity can fall to deposition base ring 1552 along 154 inboard groove of diversion column, then during oil circuit flows
It is whipped into inside separation filter disc 1555 and adsorb, avoid secondary pollution.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this
The range of invention is indicated by the appended claims rather than the foregoing description, it is intended that the equivalent requirements of the claims will be fallen in
All changes in meaning and scope are included within the present invention.It should not treat any reference in the claims as limitation institute
The claim being related to.
Claims (5)
1. a kind of oil-immersed transformer recycled using buffering is squeezed, structure includes: transformation case (1), firm banking
(2), heat dissipation oil pipe (3), fuel tank (4), oil injection head (5), shield (6), high pressure connection (7), it is characterised in that:
The transformation case (1) is vertically welded in the upper end of firm banking (2) and right side is connected with the tube head of heat dissipation oil pipe (3),
Heat dissipation oil pipe (3) is fixed on the right side of fuel tank (4) and inside communicates, and the oil injection head (5) fits closely in 30 ° of oblique angles
In the left side of fuel tank (4), the shield (6) is installed in the left side of fuel tank (4) and oil injection head (5) is covered in inside, described
High pressure connection (7) sets there are three and is uniformly installed in the top of transformation case (1), and is connected with internal circuit；
Described its internal structure of transformation case (1) includes: sliding sash (11), transformation group (12), oil valve (13), outline border (14), two-way mistake
The armature of filter (15), compression valve (16), transformation group (12) bottom is bolted on the bottom of sliding sash (11), described
The outer wall of sliding sash (11) is mutually nested with outline border (14), and the dual flow filter (15) sets there are two and is vertically fixed on outline border
(14) bottom, compression valve (16) horizontal nest is in the through-hole of sliding sash (11) bottom, there are three the oil valve (13) sets,
And it is closely engaged with the internal screw thread of the through-hole of outline border (14) two sides.
2. a kind of oil-immersed transformer recycled using buffering is squeezed according to claim 1, it is characterised in that: institute
Dual flow filter (15) is stated by going out stream head (151), fixed outline border (152), refined filtration plug (153), diversion column (154), dividing filter bottom disk
(155) it forms, the left side that stream head (151) out is welded on fixed outline border (152) is top, and forms integral structure, described
The axis of refined filtration plug (153) and diversion column (154) axle center are described in a straight line and the inside groove of its outer wall fixed outline border (152)
The groove of diversion column (154) bottom end is mutually nested with the axle sleeve of protrusion in the middle part of filter bottom disk (155) is divided, described to divide filter bottom disk (155)
Level is installed in the bottom of fixed outline border (152).
3. a kind of oil-immersed transformer recycled using buffering is squeezed according to claim 2, it is characterised in that: institute
Point filter bottom disk (155) is stated to be filtered by ring flat-plate (1551), deposition base ring (1552), nested pedestal (1553), carousel (1554), separation
Piece (1555) composition, the arc-shaped shape of the ring flat-plate (1551) and the right side upper wall for being vertically welded in deposition base ring (1552), institute
It states nested pedestal (1553) and diversion column (154) mesoporous at top mutually agrees with, separation filter disc (1555) level is installed in
The bottom of carousel (1554).
4. a kind of oil-immersed transformer recycled using buffering is squeezed according to claim 1, it is characterised in that: institute
Compression valve (16) is stated by around axis (161), compression plate (162), interval elastic slice (163), limit slide bar (164), firm banking (165)
Composition, compression plate (162) left side around axis (161) with firm banking (165) by being connected, the limit slide bar (164)
The slide-bar of two sides is nested between firm banking (165) and compression plate (162), and the interval elastic slice (163) is pacified by glue connection
It is located at the top of compression plate (162).
5. a kind of oil-immersed transformer recycled using buffering is squeezed according to claim 1, it is characterised in that: institute
The bottom for stating outline border (14) inner wall is equipped with the distributing damper of hump shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811633624.1A CN109524199B (en) | 2018-12-29 | 2018-12-29 | Oil-immersed transformer capable of recycling by utilizing extrusion buffering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811633624.1A CN109524199B (en) | 2018-12-29 | 2018-12-29 | Oil-immersed transformer capable of recycling by utilizing extrusion buffering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109524199A true CN109524199A (en) | 2019-03-26 |
| CN109524199B CN109524199B (en) | 2020-04-07 |
Family
ID=65797640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811633624.1A Active CN109524199B (en) | 2018-12-29 | 2018-12-29 | Oil-immersed transformer capable of recycling by utilizing extrusion buffering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109524199B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118173352A (en) * | 2024-05-16 | 2024-06-11 | 江门市赛为电力科技有限公司 | Equipment and process for replacing natural ester insulating oil for mineral oil transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204407129U (en) * | 2015-03-20 | 2015-06-17 | 国家电网公司 | A kind of oil-filled transformer of shockproof high efficiency and heat radiation |
| KR101537254B1 (en) * | 2015-03-13 | 2015-07-17 | (주)삼성전력 | Apparatus for eliminating moisture in the insulation of transformer on a live wire |
| CN205177550U (en) * | 2015-11-26 | 2016-04-20 | 天津双沽机电设备有限公司 | Oil -immersed transformer with water conservancy diversion filter equipment |
| CN206460843U (en) * | 2017-01-17 | 2017-09-01 | 郑州大学 | A kind of novel oil-immersed transformer |
| CN107452477A (en) * | 2017-09-27 | 2017-12-08 | 洛阳市星合特种变压器有限公司 | A kind of drop resistant antihunting transformer fuel tank |
| CN207489620U (en) * | 2017-11-22 | 2018-06-12 | 保定天威集团特变电气有限公司 | The vertical limiting device of combined transformer device body and combined transformer |
-
2018
- 2018-12-29 CN CN201811633624.1A patent/CN109524199B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101537254B1 (en) * | 2015-03-13 | 2015-07-17 | (주)삼성전력 | Apparatus for eliminating moisture in the insulation of transformer on a live wire |
| CN204407129U (en) * | 2015-03-20 | 2015-06-17 | 国家电网公司 | A kind of oil-filled transformer of shockproof high efficiency and heat radiation |
| CN205177550U (en) * | 2015-11-26 | 2016-04-20 | 天津双沽机电设备有限公司 | Oil -immersed transformer with water conservancy diversion filter equipment |
| CN206460843U (en) * | 2017-01-17 | 2017-09-01 | 郑州大学 | A kind of novel oil-immersed transformer |
| CN107452477A (en) * | 2017-09-27 | 2017-12-08 | 洛阳市星合特种变压器有限公司 | A kind of drop resistant antihunting transformer fuel tank |
| CN207489620U (en) * | 2017-11-22 | 2018-06-12 | 保定天威集团特变电气有限公司 | The vertical limiting device of combined transformer device body and combined transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118173352A (en) * | 2024-05-16 | 2024-06-11 | 江门市赛为电力科技有限公司 | Equipment and process for replacing natural ester insulating oil for mineral oil transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109524199B (en) | 2020-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208130745U (en) | A kind of gas-liquid separator safety can | |
| CN109524199A (en) | A kind of oil-immersed transformer recycled using buffering is squeezed | |
| CN207270810U (en) | A kind of raw lacquer filter plant | |
| CN101053700B (en) | Baffle type column tray | |
| CN106040109A (en) | Gas flow distribution plate and reactor with same | |
| DE202013101256U1 (en) | Filter shaft with water calming | |
| CN109045403A (en) | A kind of detachable infusion apparatus filter | |
| CN206408162U (en) | The inclined device of the burnt tank of one kind detection | |
| CN207406800U (en) | A kind of regulating valve for controlling water flow | |
| CN207333320U (en) | A kind of airborne tank with filtration apparatus | |
| CN205391841U (en) | Quartzy sand filter of sewage pretreatment who possesses backwash function | |
| CN209173435U (en) | A kind of Water phase communicating overflow weir pipe regulating device of three-phase separator | |
| US2064988A (en) | Air eliminator | |
| CN208975480U (en) | A kind of Box-type Gas-liquid Distributor | |
| CN107191419A (en) | A kind of airborne tank | |
| CN209466991U (en) | Left suspension bracket | |
| CN103352677A (en) | Under-pit petroleum sand-preventing filter tube | |
| CN206054910U (en) | A kind of anti-blocking acoustic filter and the electromagnetic valve with the anti-blocking acoustic filter | |
| CN208302313U (en) | A kind of Fuel Tanking Unit for electric pulse equipment | |
| CN206816419U (en) | A kind of safe anti-overflow oil Oiltank structure | |
| CN209191690U (en) | Novel fuel tank washboard structure, fuel tank | |
| CN207315559U (en) | A kind of filter filter tank assembly | |
| CN209549360U (en) | A kind of adsorbent parting equivalent preparation system | |
| CN117965217B (en) | Separation type natural gas low-temperature separator | |
| CN206587766U (en) | The combined tray being made up of cross-flow tower tray and cocurrent tower tray |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200312 Address after: Pan Tang Cun, pan Tang Office, Xuzhou, Yunlong District, Xuzhou City, Jiangsu Province Applicant after: Xuzhou Pengcheng Electric Co., Ltd. Address before: 325215, Chengjiang Town, Ruian City, Zhejiang Province, Tao Tong Village, Wenzhou Applicant before: Xie Hongyuan |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |