CN110223822A - A kind of transformer Quick air-discharge structure - Google Patents
A kind of transformer Quick air-discharge structure Download PDFInfo
- Publication number
- CN110223822A CN110223822A CN201910413550.9A CN201910413550A CN110223822A CN 110223822 A CN110223822 A CN 110223822A CN 201910413550 A CN201910413550 A CN 201910413550A CN 110223822 A CN110223822 A CN 110223822A
- Authority
- CN
- China
- Prior art keywords
- case
- case lid
- main gas
- gas tube
- transformer
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 claims description 10
- 241001633942 Dais Species 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 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
- H01F27/02—Casings
-
- 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)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a kind of transformer Quick air-discharge structures, including transformer body, oil conservater, relay, further include main gas tube；Oil conservater is connected by main connecting tube with transformer body；Main connecting tube is equipped with gas relay；Transformer body includes tank wall, case edge, case lid；Case is along the top for being set to tank wall；Case lid is connected with case edge；One increases seat, is set on case lid, communicates with transformer body；Sleeve is inserted in and increases in seat；It increases seat to be connected by connecting tube with main gas tube, connecting tube is communicated with connecting tube, main gas tube；Main gas tube is obliquely installed, and the angle between main gas tube and horizontal plane is 3 ° -5 °；Branch pipe is set between main gas tube and case lid, and branch pipe is communicated with main gas tube, transformer body.The present invention has quick exhaust function, eliminates dead angle of choking with resentment, and reduces the advantages of choking with resentment phenomenon.
Description
Technical field
The present invention relates to oil-immersed transformer field, in particular to a kind of transformer Quick air-discharge structure.
Background technique
Our company is as Transformer Manufacturing Enterprises, in product design, manufacture and operational process, discovery transformer long-term
After operation, gas can be generated, due to reasons in structure, portion gas cannot flow to gas relay, generate phenomenon of choking with resentment, long-term to transport
Row influences transformer safety operation.
At present in industry, only it is exhausted by way of increasing the union of falling gas between air guide channel cover, such method,
It is not only inefficient, but also phenomenon of choking with resentment can not be solved.In addition for American-European more demanding user, original design method can not
Meet the requirement of user.
Summary of the invention
Goal of the invention: the purpose of the present invention is to solve deficiency in the prior art, a kind of transformer is provided and is quickly arranged
Depressed structure can be realized quick exhaust function, eliminate dead angle of choking with resentment.
Technical solution: a kind of transformer Quick air-discharge structure of the present invention, including transformer body, oil conservater, relay, also
Including main gas tube；
Oil conservater is connected by main connecting tube with transformer body；Main connecting tube is equipped with gas relay；
Transformer body includes tank wall, case edge, case lid；Case is along the top for being set to tank wall；Case lid is connected with case edge；
One increases seat, is set on case lid, communicates with transformer body；Sleeve is inserted in and increases in seat；
It increases seat to be connected by connecting tube with main gas tube, connecting tube is communicated with connecting tube, main gas tube；
Main gas tube is obliquely installed, and the angle between main gas tube and horizontal plane is 3 ° -5 °；
Branch pipe is set between main gas tube and case lid, and branch pipe is communicated with main gas tube, transformer body.
A further improvement of the present invention is that the angle between main gas tube and horizontal plane is 5 °.
A further improvement of the present invention is that increase seat in be equipped with gear gas paper circle, gear gas paper circle be set to increase seat at the top of with
The junction of casing.
A further improvement of the present invention is that increase the bottom of seat and case lid is connected by welding, seat and case lid are increased
The chamfered shape of weld, chamfering weld are shiny surface.
A further improvement of the present invention is that case is fully welded between, case lid, case along between tank wall also to be fully welded；Case
Along and the weld of tank wall take the form of inclined plane, case along, case lid weld be also inclined plane shape.
A further improvement of the present invention is that case edge and the angle between the inclined-plane and horizontal plane of tank wall weld, are less than
Angle of the case between the inclined plane shape and horizontal plane of, case lid weld.
A further improvement of the present invention is that case lid is oblique top shape case lid, the axis of symmetry of two pieces of oblique tops of case lid and main company
Adapter tube is on same vertical plane.
Compared with prior art, a kind of transformer Quick air-discharge structure provided by the invention, at least realizing following has
Beneficial effect:
The present invention increases the diameter of main gas tube for 50mm, is twice of traditional air guide pipe diameter, at the same by main gas tube with
Angle between horizontal plane is set as 3 ° -5 °, greatly improves the speed of exhaust.And oblique top shape case lid is selected, due to whole
A case lid has certain tilt angle, enters in main gas tube convenient for gas from branch pipe, improves the speed of exhaust, thus real
Show quick exhaust function, eliminates the phenomenon that dead angle is choked with resentment.By changing welding manner, increase gear gas paper in seat increasing
Circle, eliminates dead angle of choking with resentment, avoids the generation for phenomenon of choking with resentment, and ensure that transformer operates normally.
Certainly, not specific needs are implemented any of the products of the present invention while reaching all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is side view of the invention；
Fig. 3 is the structural schematic diagram of tank wall, case edge, case lid；
Fig. 4 is the structural schematic diagram of present invention gear gas paper circle；
Wherein, 1- oil conservater；2- relay；3- main gas tube；4- casing；5- increases seat；6- tank wall；7- case edge；8- case lid；9-
Keep off gas paper circle；10- connecting tube；The main connecting tube of 11-；12- branch pipe.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Embodiment 1,
Picture 1-4, a kind of transformer Quick air-discharge structure, including transformer body, oil conservater 1, relay 2, further include dominating
Tracheae 3；
Oil conservater 1 is connected by main connecting tube 11 with transformer body；Main connecting tube 11 is equipped with gas relay；
Transformer body includes tank wall 6, case along 7, case lid 8；The top that case is set to tank wall 6 along 7；Case lid 8 is connected with case along 7；
One increases seat 5, is set on case lid 8, communicates with transformer body；Sleeve 4 is inserted in and increases in seat 5；
It increases seat 5 to be connected by connecting tube 10 with main gas tube 3, connecting tube 10 is communicated with connecting tube 10, main gas tube 3；
Main gas tube 3 is obliquely installed, and the angle between main gas tube 3 and horizontal plane is 3 °, and the diameter of main gas tube 3 is 50mm；
Branch pipe 12 is set between main gas tube 3 and case lid 8, and branch pipe 12 is communicated with main gas tube 3, transformer body.
Wherein, gear gas paper circle 9 is high density cardboard.
Based on the above embodiment, when transformer station high-voltage side bus, the gas that inside generates can gradually be pooled to 8 lower surface of case lid,
Bubble can be moved in 8 lower surface of case lid from bottom to top, when meeting the company's tracheae that can rise, will continue to move up, finally
It is pooled to main even air pipe, and mobile towards gas relay direction, completes exhaust.Due between main gas tube 3 and horizontal plane
Angle is 3 °, greatly improves exhaust capacity.The diameter of main gas tube 3 is traditional twice, and setting multiple groups branch pipe 12 is same
Also improve the ability of exhaust.
In order to which the present embodiment is explained further, it should be noted that increase and be equipped with gear gas paper circle 9 in seat 5, keep off gas paper circle 9
Set on the junction for increasing 5 top and casing 4 of seat.In the present embodiment, increase gear gas paper circle 9 inside seat increasing, by what is choked with resentment
Dead angle is blocked with paper circle, is made to increase gas in seat and is risen be discharged into main gas tube 3 fastly.
In order to which the present embodiment is explained further, it should be noted that the welding manner of change case edge and tank wall 6 increases seat 5
Bottom be connected by welding with case lid 8, increase seat 5 and case lid 8 the chamfered shape of weld, chamfering weld be shiny surface,
The obstruction to gas is reduced, the phenomenon that choking with resentment further is reduced.
In order to which the present embodiment is explained further, it should be noted that case is fully welded between 7, case lid 8, and case is along 7 and tank wall
It is also to be fully welded between 6；Case takes the form of inclined plane along 7 with the weld of tank wall 6, case along 7, case lid 8 weld be also inclined plane shape.
In order to which the present embodiment is explained further, it should be noted that case is along 7 and the inclined-plane and horizontal plane of 6 weld of tank wall
Between angle, less than angle of the case between the inclined plane shape and horizontal plane of 7, case lid, 8 weld.
In order to which the present embodiment is explained further, it should be noted that case lid 8 is oblique top shape case lid 8,8 two pieces of oblique tops of case lid
The axis of symmetry and main connecting tube 11 on same vertical plane.Since entire case lid 8 has certain tilt angle, further promote
The rising of gas enters in main gas tube 3 convenient for gas from branch pipe.
In above-described embodiment, all welds are welded by way of being fully welded, and need to be beaten after being fully welded
Mill is until smooth.
Embodiment 2,
Picture 1-4, a kind of transformer Quick air-discharge structure, including transformer body, oil conservater 1, relay 2, further include dominating
Tracheae 3；
Oil conservater 1 is connected by main connecting tube 11 with transformer body；Main connecting tube 11 is equipped with gas relay；
Transformer body includes tank wall 6, case along 7, case lid 8；The top that case is set to tank wall 6 along 7；Case lid 8 is connected with case along 7；
One increases seat 5, is set on case lid 8, communicates with transformer body；Sleeve 4 is inserted in and increases in seat 5；
It increases seat 5 to be connected by connecting tube 10 with main gas tube 3, connecting tube 10 is communicated with connecting tube 10, main gas tube 3；
Main gas tube 3 is obliquely installed, and the angle between main gas tube 3 and horizontal plane is 4 °, and the diameter of main gas tube 3 is 50mm；
Branch pipe 12 is set between main gas tube 3 and case lid 8, and branch pipe 12 is communicated with main gas tube 3, transformer body.
The working principle of the present embodiment is the same as embodiment 1.
In order to which the present embodiment is explained further, it should be noted that increase and be equipped with gear gas paper circle 9 in seat 5, keep off gas paper circle 9
Set on the junction for increasing 5 top and casing 4 of seat.The bottom for increasing seat 5 is connected by welding with case lid 8, increases seat 5 and case lid
The chamfered shape of 8 weld, chamfering weld are shiny surface.Case is fully welded between 7, case lid 8, and case is between 7 and tank wall 6
To be fully welded；Case takes the form of inclined plane along 7 with the weld of tank wall 6, case along 7, case lid 8 weld be also inclined plane shape.Case is along 7 and case
Angle between the inclined-plane and horizontal plane of 6 weld of wall, less than case between the inclined plane shape and horizontal plane of 7, case lid, 8 weld
Angle.Case lid 8 is oblique top shape case lid 8, and the axis of symmetry of 8 two pieces of oblique tops of case lid and main connecting tube 11 are on same vertical plane.
In the present embodiment, the diameter of main gas tube 3 is increased as 50mm, the angle between main gas tube 3 and horizontal plane is set
4 ° are set to, by changing welding manner, increases gear gas paper circle 9 in seat 5 increasing, and select oblique top shape case lid 8, to realize
Quick exhaust function, eliminates the phenomenon that dead angle is choked with resentment.
In above-described embodiment, all welds are welded by way of being fully welded, and need to be beaten after being fully welded
Mill is until smooth.
Embodiment 3,
Picture 1-4, a kind of transformer Quick air-discharge structure, including transformer body, oil conservater 1, relay 2, further include dominating
Tracheae 3；
Oil conservater 1 is connected by main connecting tube 11 with transformer body；Main connecting tube 11 is equipped with gas relay；
Transformer body includes tank wall 6, case along 7, case lid 8；The top that case is set to tank wall 6 along 7；Case lid 8 is connected with case along 7；
One increases seat 5, is set on case lid 8, communicates with transformer body；Sleeve 4 is inserted in and increases in seat 5；
It increases seat 5 to be connected by connecting tube 10 with main gas tube 3, connecting tube 10 is communicated with connecting tube 10, main gas tube 3；
Main gas tube 3 is obliquely installed, and the angle between main gas tube 3 and horizontal plane is 5 °, and the diameter of main gas tube 3 is 50mm；
Branch pipe 12 is set between main gas tube 3 and case lid 8, and branch pipe 12 is communicated with main gas tube 3, transformer body.
The working principle of the present embodiment is the same as embodiment 1.
In order to which the present embodiment is explained further, it should be noted that increase and be equipped with gear gas paper circle 9 in seat 5, keep off gas paper circle 9
Set on the junction for increasing 5 top and casing 4 of seat.The bottom for increasing seat 5 is connected by welding with case lid 8, increases seat 5 and case lid
The chamfered shape of 8 weld, chamfering weld are shiny surface.Case is fully welded between 7, case lid 8, and case is between 7 and tank wall 6
To be fully welded；Case takes the form of inclined plane along 7 with the weld of tank wall 6, case along 7, case lid 8 weld be also inclined plane shape.Case is along 7 and case
Angle between the inclined-plane and horizontal plane of 6 weld of wall, less than case between the inclined plane shape and horizontal plane of 7, case lid, 8 weld
Angle.Case lid 8 is oblique top shape case lid 8, and the axis of symmetry of 8 two pieces of oblique tops of case lid and main connecting tube 11 are on same vertical plane.
In the present embodiment, the diameter of main gas tube 3 is increased as 50mm, the angle between main gas tube 3 and horizontal plane is set
4 ° are set to, by changing welding manner, increases gear gas paper circle 9 in seat 5 increasing, and select oblique top shape case lid 8, to realize
Quick exhaust function, eliminates the phenomenon that dead angle is choked with resentment.
In above-described embodiment, all welds are welded by way of being fully welded, and need to be beaten after being fully welded
Mill is until smooth.
To above-described embodiment 1-3 into test, test on fuel tank four angles be injected separately into gas, pass through gas in two minutes
The gas volume that body relay is collected is that the results are shown in Table 1.
Table 1
| Testing site | A | B | C | Time |
| Gas injection volume | 300cc | 300cc | 300cc | |
| Collected volume | 220cc | 240cc | 260cc | 2min |
Above-mentioned test data has reached the requirement of client.Above-described embodiment 1-3 is compared, experiment shows embodiment 3
In, when setting 5 ° for the angle between main gas tube 3 and horizontal plane, exhaust effect is best, substantially without choking with resentment, and is vented speed
It spends most fast.
Through the foregoing embodiment it is found that a kind of transformer Quick air-discharge structure provided by the invention, at least realizes as follows
The utility model has the advantages that
The diameter of main gas tube 3 is increased as 50mm, is twice of traditional air guide pipe diameter, while by main gas tube and horizontal plane
Between angle be set as 3 ° -5 °, greatly improve the speed of exhaust.And oblique top shape case lid 8 is selected, due to entire case lid
8 have certain tilt angle, enter in main gas tube 3 convenient for gas from branch pipe, improve the speed of exhaust, to realize
Quick exhaust function eliminates the phenomenon that dead angle is choked with resentment.By changing welding manner, increase gear gas paper circle 9 in seat 5 increasing,
Dead angle of choking with resentment is eliminated, the generation for phenomenon of choking with resentment is avoided, ensure that transformer operates normally.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (7)
1. a kind of transformer Quick air-discharge structure, including transformer body, oil conservater (1), relay (2), it is characterised in that: also
Including main gas tube (3)；
The oil conservater (1) is connected by main connecting tube (11) with the transformer body；The main connecting tube (11) is equipped with
Gas relay；
The transformer body includes tank wall (6), case along (7), case lid (8)；The case is set to the top of the tank wall (6) along (7)
Portion；The case lid (8) is connected with case along (7)；
One increases seat (5), is set on the case lid (8), communicates with the transformer body；Sleeve (4), is inserted in the liter
In dais (5)；
The raising seat (5) is connected by connecting tube (10) with the main gas tube (3), the connecting tube (10) and the connection
Pipe (10), the main gas tube (3) communicate；
The main gas tube (3) is obliquely installed, and the angle between the main gas tube (3) and horizontal plane is 3 ° -5 °；
Branch pipe (12) is set between the main gas tube (3) and case lid (8), the branch pipe (12) and the main gas tube (3),
The transformer body communicates.
2. a kind of transformer Quick air-discharge structure according to claim 1, it is characterised in that: the main gas tube (3) with
Angle between horizontal plane is 5 °.
3. a kind of transformer Quick air-discharge structure according to claim 1, it is characterised in that: set in the raising seat (5)
There is gear gas paper circle (9), gear gas paper circle (9) is set to the junction at the top of raising seat (5) with casing (4).
4. a kind of transformer Quick air-discharge structure according to claim 1, it is characterised in that: the bottom for increasing seat (5)
Portion is connected by welding with case lid (8), the chamfered shape of weld for increasing seat (5) and case lid (8), the chamfering weld
For shiny surface.
5. a kind of transformer Quick air-discharge structure according to claim 1, it is characterised in that: the case is along (7), case lid
(8) to be fully welded between, the case is also to be fully welded between (7) and tank wall (6)；The case edge (7) and the weld of tank wall (6) are in
Inclined plane shape, the case along (7), case lid (8) weld be also inclined plane shape.
6. a kind of transformer Quick air-discharge structure according to claim 1, it is characterised in that: the case is along (7) and tank wall
(6) angle between the inclined-plane and horizontal plane of weld is less than the case along (7), the inclined plane shape of case lid (8) weld and level
Angle between face.
7. a kind of transformer Quick air-discharge structure according to claim 1, it is characterised in that: the case lid (8) is oblique top
Shape case lid 8, the axis of symmetry of (8) two pieces of oblique tops of case lid and the main connecting tube (11) are on same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910413550.9A CN110223822A (en) | 2019-05-17 | 2019-05-17 | A kind of transformer Quick air-discharge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910413550.9A CN110223822A (en) | 2019-05-17 | 2019-05-17 | A kind of transformer Quick air-discharge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110223822A true CN110223822A (en) | 2019-09-10 |
Family
ID=67821334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910413550.9A Pending CN110223822A (en) | 2019-05-17 | 2019-05-17 | A kind of transformer Quick air-discharge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110223822A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113496807A (en) * | 2021-06-07 | 2021-10-12 | 山东电力设备有限公司 | Continuous exhaust method and continuous exhaust structure for sleeve flange |
| CN114709059A (en) * | 2022-03-11 | 2022-07-05 | 山东输变电设备有限公司 | Inclination angle adjusting method for main air pipe of transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201556507U (en) * | 2009-07-15 | 2010-08-18 | 日新电机株式会社 | Gas detecting structure of three-phase shunt reactor |
| CN203325639U (en) * | 2013-07-05 | 2013-12-04 | 刘磊 | Transformer with nitrogen injection fire extinguishing device |
| CN203366969U (en) * | 2013-05-25 | 2013-12-25 | 云南人民电力电气有限公司 | Power transformer |
| CN206022056U (en) * | 2016-08-30 | 2017-03-15 | 江西亚珀电气有限公司 | Oil-filled transformer |
| CN106571210A (en) * | 2015-10-09 | 2017-04-19 | 特变电工沈阳变压器集团有限公司 | 110kV transformer |
| CN206893389U (en) * | 2017-05-10 | 2018-01-16 | 特变电工沈阳变压器集团有限公司 | A kind of power transformer enclosure exhaust structure |
-
2019
- 2019-05-17 CN CN201910413550.9A patent/CN110223822A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201556507U (en) * | 2009-07-15 | 2010-08-18 | 日新电机株式会社 | Gas detecting structure of three-phase shunt reactor |
| CN203366969U (en) * | 2013-05-25 | 2013-12-25 | 云南人民电力电气有限公司 | Power transformer |
| CN203325639U (en) * | 2013-07-05 | 2013-12-04 | 刘磊 | Transformer with nitrogen injection fire extinguishing device |
| CN106571210A (en) * | 2015-10-09 | 2017-04-19 | 特变电工沈阳变压器集团有限公司 | 110kV transformer |
| CN206022056U (en) * | 2016-08-30 | 2017-03-15 | 江西亚珀电气有限公司 | Oil-filled transformer |
| CN206893389U (en) * | 2017-05-10 | 2018-01-16 | 特变电工沈阳变压器集团有限公司 | A kind of power transformer enclosure exhaust structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113496807A (en) * | 2021-06-07 | 2021-10-12 | 山东电力设备有限公司 | Continuous exhaust method and continuous exhaust structure for sleeve flange |
| CN113496807B (en) * | 2021-06-07 | 2023-11-03 | 山东电力设备有限公司 | Sleeve flange continuous exhaust method and continuous exhaust structure |
| CN114709059A (en) * | 2022-03-11 | 2022-07-05 | 山东输变电设备有限公司 | Inclination angle adjusting method for main air pipe of transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110223822A (en) | A kind of transformer Quick air-discharge structure | |
| CN106989388A (en) | cooker burner | |
| CN204494924U (en) | Air-conditioner set current divider | |
| CN204865575U (en) | Whirl mixing arrangement | |
| CN108204598B (en) | Mix flare burner | |
| CN101798518B (en) | Top gas confluence method and device of atmospheric and vacuum distillation tower | |
| CN206739297U (en) | Cooker burner | |
| CN204729684U (en) | A kind of water sealed tank | |
| CN105333426A (en) | Venturi burner structure | |
| CN204476595U (en) | A kind of sinker assembly of the supercharging diffusion ozzle form with sieve tray | |
| CN205055840U (en) | Gaseous swirler and whirl blender | |
| CN204831721U (en) | Modified gas cylinder cylinder valve testing machine | |
| CN110384997A (en) | Lampblack purifying system based on whirlwind spray | |
| CN202884931U (en) | Gas mixing efficiency-enhancing type gas stove ejector tube | |
| CN201633531U (en) | Automobile oil filling pipe assembly capable of preventing fuel oil from entering ventilating pipe | |
| CN105904731B (en) | Ducting system and the printer with the ducting system | |
| CN209210376U (en) | A kind of oil filling rifle | |
| CN210392230U (en) | A transport storehouse for transporting volatile liquid material | |
| CN104295738B (en) | Pressure vessel inlet and outlet material opening collection pipe flange and pressure vessel thereof | |
| CN204554823U (en) | The nozzle arrangements of venturi mixer | |
| CN204513865U (en) | Syllogic reservoir | |
| CN103438035A (en) | Fluid pressurizer with filtering function | |
| CN106352360A (en) | Soot blowing device for explosion type boiler | |
| CN209062444U (en) | A kind of composite-curve flange weld tooling | |
| CN103046997A (en) | Diesel engine and combustor thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190910 |
|
| RJ01 | Rejection of invention patent application after publication |