CN109742625A - A kind of crude oil electric dewatering transformer high voltage flexible connecting device and its installation method - Google Patents
A kind of crude oil electric dewatering transformer high voltage flexible connecting device and its installation method Download PDFInfo
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- CN109742625A CN109742625A CN201910176005.2A CN201910176005A CN109742625A CN 109742625 A CN109742625 A CN 109742625A CN 201910176005 A CN201910176005 A CN 201910176005A CN 109742625 A CN109742625 A CN 109742625A
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Abstract
The invention belongs to crude oil to be dehydrated high voltage power supply device technical field, specially a kind of crude oil electric dewatering transformer high voltage flexible connecting device and its installation method, for existing attachment device, there are external connecting pipe hardness is inadequate or the too strong flexibility difference of hardness is proposed, it specifically includes that high voltage flexible connecting member, it includes stainless steel screw thread braiding flexible steel in flat section tubing and high-voltage connection, stainless steel screw thread braiding flexible steel in flat section tubing is sleeved on high-voltage connection, it is covered with spaced support chip and insulating sleeve inside stainless steel screw thread braiding flexible steel in flat section tubing, support chip and insulating sleeve are sleeved on high-voltage connection, flange is respectively equipped at the both ends of stainless steel screw thread braiding flexible steel in flat section tubing, flange passes through insulation and sealing structure part respectively and connect with transformer high-voltage junction box and electric dehydration tank high-voltage connecting device.This invention ensures that external mechanical and compressive resistance, has been homogenized internal electric field distribution, has improved dielectric strength.
Description
Technical field:
The invention belongs to crude oil to be dehydrated high voltage power supply device technical field, and in particular to a kind of crude oil electric dewatering transformer use
High voltage flexible connecting device and its installation method.
Background technique:
As domestic major crude oil exploitation enters the middle and later periods, crude oil Produced Liquid moisture content is significantly improved, in order to improve
Oil recovery factor, tertiary oil recovery technology are widely used in each elephant.The popularization of tertiary oil recovery technology is improving crude output
While, so that crude oil Produced Liquid ingredient is more complicated, viscosity increases, dehydration is further difficult, only relies on and produced to crude oil
The demand that the conventional methods such as demulsifier and natural subsidence are no longer satisfied crude oil dehydration is dosed in liquid.Therefore, crude oil electric dewatering
Technology is widely used in each elephant dehydration scene because it has the characteristics that stable, efficient, oil is adaptable.
However, with the increase of electric dehydrator dosage, since electric dehydration power supply high-voltage connection device performance defect is drawn
The short circuit dischange accident of hair is increasing.It is exactly that different form high voltage is applied to electric dehydration in crude oil electric dewatering technical spirit
On each electrode plate inside tank, crude oil emulsion is carried out dehydrating by the electric field action between pole plate process.It is specific real
Existing mode is usually to be placed in electric dehydration transformer on the operating platform of horizontal dehydration tank deck, by high-voltage connection by electric dehydration
In the high voltage induction to the explosion-proof wiring device of drain sump that transformer generates, and then high voltage is sent into electrode plate in drain sump
On.The electric dehydration transformer wiring device of early stage is bareing, is both exposed on the external high-voltage connection is directly naked, and do not have anti-
Quick-fried function, there are larger security risks.With advances in technology, electric dehydration transformer wiring device has used entirely in the recent decade
Sealed explosion-proof structure, but it is most to be rigidly connected, and installation and maintenance difficulties are all larger；There is small part to use the flexibility of rubber product
Connection structure, although there is certain convenience in installation and maintenance, it exists in explosion-proof intensity and ageing-resistant performance
Larger problem.To sum up, made due to this two aspect high-voltage connection design there are certain technical difficulty: first is that because electricity
There are certain distances between dehydration transformer and electric dehydration tank body, and are limited every dehydration transformation by execute-in-place platform size
Relative position between device and drain sump explosion-proof wiring device is not fixed, and is drawn for the ease of installation operation and later maintenance, high pressure
Line apparatus need to use flexible connection mode.Second is that due to needing to bear high voltage inside the thread guide devices and transformer and drain sump
Explosion-proof wiring device shell needs reliable ground, therefore attachment device must have reliable insulation performance and meet Oil Field
Requirement of explosion proof.Traditional crude oil dehydration transformer high-voltage connection device is divided to two kinds: one kind is the oil-filled structure that is rigidly connected, external
For steel pipe, inside is insulated conductor, and transformer oil is filled in centre, such structure there are main problem be to need it is right before the mounting
It is dehydrated transformer and explosion-proof wiring device is accurately positioned, position is difficult to realize assembly and sealing when installation if changing；
Additionally due to steel pipe inner wall is uneven at a distance from insulated conductor, internal electric field is caused to be unevenly distributed, therefore to high-voltage conducting wires
Insulation performance is more demanding, easily occurs insulation damages, discharge breakdown accident under longtime running；Another kind is the oil-filled knot of flexible connection
Structure, outside are pressure resistant rubber hose, and inside is insulated conductor, and transformer oil is filled in centre, although to equipment when such structure is installed
Status requirement it is lower, but its external rubber hose intensity is poor, and ageing of rubber and deformation easily occurs after long-term outdoor operation,
It causes transformer oil to reveal, eventually leads to the hidden danger such as failure of insulation.
Summary of the invention:
The present invention is to overcome drawbacks described above, provide a kind of crude oil electric dewatering transformer high voltage flexible connecting device and
Its installation method, the device greatly improve the exhausted of its inside under the premise of guaranteeing reliable external mechanical and compressive resistance
Edge structure has been homogenized internal electric field distribution, improves whole dielectric strength, while improving the installation and maintenance of device entirety
Convenience.
The technical solution adopted by the present invention is: a kind of crude oil electric dewatering transformer high voltage flexible connecting device, packet
It includes: transformer high-voltage junction box and electric dehydration tank high-voltage connecting device, and the integral level height of transformer high-voltage junction box is high
It further include high voltage flexible connecting member in the level height of electric dehydration tank high-voltage connecting device, the high voltage flexible connecting member
Transformer high-voltage junction box is connected with electric dehydration tank high-voltage connecting device, when the injection transformer into transformer high-voltage junction box
When insulating oil, transformer insulation oil flows through high voltage flexible connecting member and enters in electric dehydration tank high-voltage connecting device；The high electricity
Pressure flexible connecting member includes stainless steel screw thread braiding flexible steel in flat section tubing and high-voltage connection, the stainless steel screw thread braiding flexible connection
Pipe sleeve is covered with spaced support chip and insulation sleeve inside stainless steel screw thread braiding flexible steel in flat section tubing on high-voltage connection
Cylinder, support chip and insulating sleeve are sleeved on high-voltage connection, are respectively equipped at the both ends of stainless steel screw thread braiding flexible steel in flat section tubing
Flange, the flange passes through insulation and sealing structure part and transformer high-voltage junction box respectively and electric dehydration tank high-voltage connecting device connects
It connects, and the both ends of high-voltage connection are respectively protruding into transformer high-voltage junction box and electric dehydration tank high-voltage connecting device.
Preferably, stainless steel screw thread braiding flexible steel in flat section tubing includes stainless steel woven tube and insulation liner layer, described
Insulation liner layer is located on stainless steel braiding inside pipe wall.
Preferably, two flanges on the stainless steel screw thread braiding flexible steel in flat section tubing are traditional thread binding with electric dehydration tank high-voltage connecting
The one end for setting connection is mounting flange, and the one end connecting with transformer high-voltage junction box is loose flange.
Preferably, the insulation and sealing structure part includes seal washer and insulating supporting, and the seal washer is sleeved on absolutely
In edge support, and oil guide groove is offered on insulating supporting, the cross sectional shape of the oil guide groove is cross, and Oil Guide groove center
Place forms high-voltage connection chamber.
Preferably, the support chip is cross disk comprising high-voltage connection hole and the cross hang on the outside of it
Foot, the support chip select polytetrafluoroethylene (PTFE) material.
A kind of installation method of crude oil electric dewatering transformer high voltage flexible connecting device, the specific steps are as follows:
Step 1: one end of high-voltage connection is connect with the high-voltage connection terminal in electric dehydration tank high-voltage connecting device, is connect
The other end of high-voltage connection is pierced by out of electric dehydration tank high-voltage connecting device upper cover after good, and covers upper cover；Again by high pressure
Lead passes through the high-voltage connection chamber in insulation and sealing structure part, and one end of the insulation and sealing structure part is then inserted into electric dehydration
In the upper cover mounting flange of tank high-voltage connecting device；
Step 2: stainless steel screw thread braiding flexible steel in flat section tubing is sleeved on high-voltage connection, by support chip and insulating sleeve
Successively alternately be sleeved on high-voltage connection, until by stainless steel screw thread braiding flexible steel in flat section tubing in fill until；
Step 3: another insulation and sealing structure part is inserted into the mounting flange of transformer high-voltage junction box, then will
High-voltage connection passes through the high-voltage connection chamber of the insulation and sealing structure part；
Step 4: first the mounting flange of mounting flange and electric dehydration tank high-voltage connecting device is fastened, is then adjusted
Stainless steel screw thread weaves the position of flexible steel in flat section tubing, then loose flange and the mounting flange of transformer high-voltage junction box are carried out tightly
Gu；
Step 5: the end of high-voltage connection is connect with the high voltage output terminal in transformer high-voltage junction box；
Step 6: to transformer high-voltage junction box's injection transformer insulating oil, until being full of transformer high-voltage junction box.
Step 7: the sealing cover of transformer high-voltage junction box is fastened, and guarantees the leakproofness of whole device.
Preferably, it in the step 1, needs first to clean out inside electric dehydration tank high-voltage connecting device.
Preferably, in the step 6, the specific injection process of the transformer insulation oil is first to connect to transformer high-voltage
Injection transformer insulating oil in line case, after transformer insulation oil is full of entire electric dehydration tank high-voltage connecting device, static observation,
Oil guide groove is totally submerged to transformer insulation oil, and after bubble-free is emerged, again after-teeming transformer insulation oil, until full of whole
A transformer high-voltage junction box.
The beneficial effects of the present invention are:
1, external connecting pipe is designed to that stainless steel screw thread weaves flexible steel in flat section tubing, the outside of the connecting tube is stainless steel volume
Pipe is knitted, insulation liner layer is inside set, which not only provides enough mechanical strengths and compressive resistance when carrying out external connection,
While meeting requirement of explosion proof, also there is the improvement of essence in anti-aging property, and can realize larger setting angle and
The adjustment of mounting distance facilitates in-site installation and later maintenance.
2, interval is set with the insulating sleeve of polytetrafluoroethylene (PTFE) material and the support chip of isolation material on high-voltage connection, until
It is covered with whole device, this structure will not influence the circulation of transformer insulation oil in addition to good insulation and supporting role,
And high-voltage connection can be placed in always to the center of stainless steel screw thread braiding flexible steel in flat section tubing, stainless steel spiral shell can be effectively prevent
The generation of disruptive discharge problem caused by line braiding flexible steel in flat section tubing internal electric field is unevenly distributed.
3, loose flange is set in one end of stainless steel screw thread braiding flexible steel in flat section tubing, mounting flange is arranged in the other end, leads to
After crossing fastening mounting flange, the size of position and twisting stress further according to stainless steel screw thread braiding flexible steel in flat section tubing, fastening is lived
Dynamic flange, the setting of loose flange is conducive to the fastening of flange and the sealing of interface, while insulation is installed at each flange-interface
Seal structural part plays the role of protection and support to high-voltage connection in flange, while designing on insulation and sealing structure part
Oil guide groove, can also provide access for transformer insulation oil, be conducive to the quick submergence total of transformer insulation oil and residual
Stay the discharge of gas.
Detailed description of the invention:
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of high voltage flexible connecting member；
Fig. 3 is that stainless steel screw thread weaves flexible steel in flat section tubing structural schematic diagram；
Fig. 4 is the enlarged drawing in Fig. 1 at A；
Fig. 5 is the structural schematic diagram of support chip；
Fig. 6 is the main view of insulation and sealing structure part；
Fig. 7 is the side view of Fig. 6；
Wherein: 1 stainless steel screw thread braiding flexible steel in flat section tubing, 101 stainless steel woven tubes, 102 insulation liner layers, 2 high pressures are drawn
Line, 3 transformer insulation oils, 4 support chips, 401 high-voltage connection holes, 402 cross-shaped support foots, 5 insulating sleeves, 6 insulation and sealing structures
Part, 601 seal washers, 602 insulating supportings, 603 oil guide grooves, 604 high-voltage connection chambers, 701 mounting flanges, 702 loose flanges, 8
Transformer high-voltage junction box, 801 sealing covers, 9 electric dehydration tank high-voltage connecting devices, 901 fuel outlets.
Specific embodiment:
As shown in Figure 1, the present invention is a kind of crude oil electric dewatering transformer high voltage flexible connecting device, comprising: transformation
Device high pressrue connection box 8, electric dehydration tank high-voltage connecting device 9 and high voltage flexible connecting member, the high voltage flexible connecting member will
Transformer high-voltage junction box 8 is connected with electric dehydration tank high-voltage connecting device 9, the integral level height of transformer high-voltage junction box 8
Higher than the level height of electric dehydration tank high-voltage connecting device 9, when the injection transformer insulating oil 3 into transformer high-voltage junction box 8
When, transformer insulation oil 3 flows through high voltage flexible connecting member and enters in electric dehydration tank high-voltage connecting device 9, by entirely connecting
Be filled in connection device transformer insulation oil 3 guarantee device dielectric strength and good heat dissipation performance.
As shown in Fig. 2, the high voltage flexible connecting member includes stainless steel screw thread braiding flexible steel in flat section tubing 1 and high-voltage connection
2, the stainless steel screw thread braiding flexible steel in flat section tubing 1 is sleeved on high-voltage connection 2, and transformer insulation oil 3 is compiled in stainless steel screw thread
It knits and is flowed between flexible steel in flat section tubing 1 and high-voltage connection 2, be respectively equipped with method at the both ends of stainless steel screw thread braiding flexible steel in flat section tubing 1
Orchid, the flange pass through insulation and sealing structure part 6 and transformer high-voltage junction box 8 and electric dehydration tank high-voltage connecting device 9 respectively
On mounting flange connection, and the both ends of high-voltage connection 2 are respectively protruding into transformer high-voltage junction box 8 and electric dehydration tank high-voltage connecting
In line apparatus 9.
For the electrical insulation strength of ensuring equipment, the high-voltage connection 2 uses high voltage silicon rubber insulated conductor, and core is straight
Diameter is 2mm, and insulating layer outer diameter is 16mm, its pliability is higher while improving its dielectric strength, is easily installed and safeguards.
As shown in figure 3, the stainless steel screw thread braiding flexible steel in flat section tubing 1 includes stainless steel woven tube 101 and insulation liner
Layer 102, insulation liner layer 102 is located on 101 inner wall of stainless steel woven tube, is respectively equipped at the both ends of stainless steel woven tube 101
Flange.Stainless steel woven tube 101 provides enough mechanical strengths and compressive resistance when carrying out external connection, and can realize
The adjustment of larger setting angle and mounting distance, facilitates in-site installation and later maintenance, and the insulation liner layer 102 is 2mm thick
The polytetrafluoroethyllining lining insulating layer of degree is homogenized while the electrical isolation that ensure that inside and outside, and to a certain extent
Internal electric field.Stainless steel screw thread weaves the flange at 1 both ends of flexible steel in flat section tubing, connect one end with electric dehydration tank high-voltage connecting device 9
For mounting flange 701, the one end connecting with transformer high-voltage junction box 8 is loose flange 702, and the mesh of loose flange 702 is arranged
Be after being fastened and fixed flange 701, can according to stainless steel screw thread weave flexible steel in flat section tubing 1 position and twisting stress size
The position for adjusting loose flange 702, is conducive to the fastening of loose flange 702 and the sealing of interface.
As shown in Figure 4 and Figure 5, in order to make high-voltage connection 2 be placed in always stainless steel screw thread braiding flexible steel in flat section tubing 1 axis
Position, the generation of disruptive discharge problem caused by preventing stainless steel screw thread braiding 1 internal electric field of flexible steel in flat section tubing to be unevenly distributed,
It is covered with spaced support chip 4 and insulating sleeve 5, and support chip 4 and insulation inside stainless steel screw thread braiding flexible steel in flat section tubing 1
Sleeve 5 is sleeved on high-voltage connection 2, and the support chip 4 selects polytetrafluoroethylene (PTFE) material, and the longitudinal section of support chip 4 is cross
Disk, internal diameter 16mm, outer diameter 36mm, with a thickness of 5mm, support chip 4 is including high-voltage connection hole 401 and on the outside of it
Cross-shaped support foot 402, high-voltage connection hole 401 are used to high-voltage connection 2 and pass through, and cross-shaped support foot 402 has good insulation and branch
Support effect, also will not influence the circulation of transformer insulation oil 3；The insulating sleeve 5 is the both ends open of polytetrafluoroethylene (PTFE) material
Cylinder, internal diameter 16mm, outer diameter 20mm, length 50mm.Support chip 4 and being used cooperatively for insulating sleeve 5 can be achieved
The adjustment of larger setting angle, that is, mounting distance.
As shown in Figure 6 and Figure 7, in order to keep the leakproofness and supportive of flange connections between attachment device more preferable, in transformation
Between the mounting flange and loose flange 701 of device high pressrue connection box 8 and the mounting flange of electric dehydration tank high-voltage connecting device 9 and solid
Determine the interface between flange 702 and is plugged with the insulation and sealing structure part 6 with Oil Guide function, the insulation and sealing structure part respectively
6 be polytetrafluoroethylene (PTFE) material comprising seal washer 601 and insulating supporting 602, the seal washer 601 are sleeved on insulation branch
In support 602,602 outer wall of insulating supporting is separated into left and right two parts that length does not wait by seal washer 601, and left and right two parts are equal
It can be inserted into corresponding flange, oil guide groove 603 is offered on insulating supporting 602, the longitudinal section of the oil guide groove 603 is ten
Font, and high-voltage connection chamber 604 is formed at 603 center of oil guide groove, pass through for high-voltage connection 2, the outside of high-voltage connection 2 can be
Transformer insulation oil 3 provides access, is conducive to the quick submergence whole device and the discharge of residual gas of transformer insulation oil 3.
It is located at the extension end in transformer high-voltage junction box 8 and electric dehydration tank high-voltage connecting device 9 in high-voltage connection 2 to distinguish
It is welded with round connecting terminal, can occur tip and burr, and generation office to avoid high-voltage terminal by round connecting terminal
Portion's electric field is concentrated, to cause electric discharge.
A kind of installation method of crude oil electric dewatering transformer high voltage flexible connecting device, the specific steps are as follows:
Step 1: 9 upper cover of electric dehydration tank high-voltage connecting device is opened, first will be in electric dehydration tank high-voltage connecting device 9
Portion is cleaned out, and one end of high-voltage connection 2 is connect with the high-voltage connection terminal in electric dehydration tank high-voltage connecting device 9, is connect
The other end of high-voltage connection 2 is pierced by out of electric dehydration tank high-voltage connecting device 9 upper cover after good, and covers upper cover；It again will be high
Voltage lead wires 2 pass through the high-voltage connection chamber 604 in insulation and sealing structure part 6, are then inserted into the long end of the insulation and sealing structure part 6
In mounting flange on to electric dehydration tank high-voltage connecting device 9 on lid；
Step 2: stainless steel screw thread braiding flexible steel in flat section tubing 1 is sleeved on high-voltage connection 2, successively by multiple cross
Disk 4 and insulating sleeve 5 are successively alternately sleeved on high-voltage connection 2, until stainless steel screw thread braiding flexible steel in flat section tubing 1 is built-in
Until full；
Step 3: the long end of another insulation and sealing structure part 6 is inserted into the mounting flange of transformer high-voltage junction box 8
It is interior, then by high-voltage connection 2 across the high-voltage connection chamber 604 of the insulation and sealing structure part 6；
Step 4: first by mounting flange 701 by installation bolt and electric dehydration tank high-voltage connecting device 9 mounting flange into
Row is fixed, and then comprehensively considers the factors such as radian, stress, position adjustment loose flange 702 and the braiding of stainless steel screw thread is flexible even
After adapter tube 1, then loose flange 702 and the mounting flange of transformer high-voltage junction box 8 fastened；
Step 5: the other end of high-voltage connection 2 is connect with the high voltage output terminal in transformer high-voltage junction box 8；
Step 6: to 8 injection transformer insulating oil 3 of transformer high-voltage junction box, until being full of transformer high-voltage junction box
8；
Step 7: the sealing cover 801 of transformer high-voltage junction box 8 is fastened, guarantees the leakproofness of whole device.
Further, in step 6, the specific injection process of the transformer insulation oil 3 is first to transformer high-voltage wiring
Injection transformer insulating oil 3 in case 8, after transformer insulation oil 3 is full of entire electric dehydration tank high-voltage connecting device 9, observation, to
After oil guide groove 603 is totally submerged by transformer insulation oil 3, and bubble-free is emerged, after-teeming transformer insulation oil 3 again, until filling
Full entire transformer high-voltage junction box 8.
In maintenance and maintenance, the sealing cover 801 of transformer high-voltage junction box 8 is opened first, passes through electric dehydration tank height
The fuel outlet 901 of line apparatus 9 is crimped by after the discharge of transformer insulation oil 3, is reversed dismantling and replacement according still further to the above process
?.
The foregoing is only a preferred embodiment of the present invention, these specific embodiments are all based on the present invention
Different implementations under general idea, and scope of protection of the present invention is not limited thereto, it is any to be familiar with the art
Technical staff in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all cover of the invention
Within protection scope.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.
Claims (8)
1. a kind of crude oil electric dewatering transformer high voltage flexible connecting device, comprising: transformer high-voltage junction box (8) and electricity are de-
Water pot high-voltage connecting device (9), and the integral level height of transformer high-voltage junction box (8) is traditional thread binding higher than electric dehydration tank high-voltage connecting
Set the level height of (9), it is characterised in that further include high voltage flexible connecting member, the high voltage flexible connecting member is by transformer
High pressrue connection box (8) is connected with electric dehydration tank high-voltage connecting device (9), when the injection transformation into transformer high-voltage junction box (8)
When device insulating oil (3), transformer insulation oil (3) flows through high voltage flexible connecting member and enters electric dehydration tank high-voltage connecting device (9)
It is interior；The high voltage flexible connecting member includes that stainless steel screw thread weaves flexible steel in flat section tubing (1) and high-voltage connection (2), described stainless
Steel screw thread braiding flexible steel in flat section tubing (1) is sleeved on high-voltage connection (2), internal in stainless steel screw thread braiding flexible steel in flat section tubing (1)
It is covered with spaced support chip (4) and insulating sleeve (5), support chip (4) and insulating sleeve (5) are sleeved on high-voltage connection (2)
On, it is respectively equipped with flange at the both ends of stainless steel screw thread braiding flexible steel in flat section tubing (1), the flange passes through insulated enclosure knot respectively
Component (6) is connect with transformer high-voltage junction box (8) and electric dehydration tank high-voltage connecting device (9), and the both ends of high-voltage connection (2)
It is respectively protruding into transformer high-voltage junction box (8) and electric dehydration tank high-voltage connecting device (9).
2. a kind of crude oil electric dewatering transformer high voltage flexible connecting device as described in claim 1, it is characterised in that: institute
Stating stainless steel screw thread braiding flexible steel in flat section tubing (1) includes stainless steel woven tube (101) and insulation liner layer (102), the liner
Insulating layer (102) is located on stainless steel woven tube (101) inner wall.
3. a kind of crude oil electric dewatering transformer high voltage flexible connecting device as claimed in claim 2, it is characterised in that: institute
State two flanges in stainless steel screw thread braiding flexible steel in flat section tubing (1), the one end connecting with electric dehydration tank high-voltage connecting device (9)
For mounting flange (701), the one end connecting with transformer high-voltage junction box (8) is loose flange (702).
4. a kind of crude oil electric dewatering transformer high voltage flexible connecting device as described in claim 1, it is characterised in that: institute
Stating insulation and sealing structure part (6) includes seal washer (601) and insulating supporting (602), and the seal washer (601) is sleeved on absolutely
Edge supports on (602), and oil guide groove (603) are offered on insulating supporting (602), the cross sectional shape of the oil guide groove (603)
To be cross, and high-voltage connection chamber (604) are formed at oil guide groove (603) center.
5. a kind of crude oil electric dewatering transformer high voltage flexible connecting device as described in claim 1, it is characterised in that: institute
Stating support chip (4) is cross disk comprising high-voltage connection hole (401) and the cross-shaped support foot (402) on the outside of it, institute
It states support chip and selects polytetrafluoroethylene (PTFE) material.
6. a kind of a kind of installation side of crude oil electric dewatering transformer high voltage flexible connecting device as described in claim 1
Method, which is characterized in that specific step is as follows:
Step 1: one end of high-voltage connection (2) is connect with the high-voltage connection terminal in electric dehydration tank high-voltage connecting device (9),
The other end of high-voltage connection (2) is pierced by out of electric dehydration tank high-voltage connecting device (9) upper cover after connecting, and covers upper cover；
High-voltage connection (2) are passed through into the high-voltage connection chamber (604) in insulation and sealing structure part (6) again, then by the insulation and sealing structure
One end of part (6) is inserted into the upper cover mounting flange of electric dehydration tank high-voltage connecting device (9)；
Step 2: stainless steel screw thread braiding flexible steel in flat section tubing (1) is sleeved on high-voltage connection (2), by support chip (4) and insulation
Sleeve (5) successively alternately is sleeved on high-voltage connection (2), until by stainless steel screw thread braiding flexible steel in flat section tubing (1) in fill for
Only；
Step 3: another insulation and sealing structure part (6) is inserted into the mounting flange of transformer high-voltage junction box (8), then
High-voltage connection (2) are passed through to the high-voltage connection chamber (604) of the insulation and sealing structure part (6)；
Step 4: first mounting flange (701) and the mounting flange of electric dehydration tank high-voltage connecting device (9) are fastened, then
The position of stainless steel screw thread braiding flexible steel in flat section tubing (1) is adjusted, then by loose flange (702) and transformer high-voltage junction box (8)
Mounting flange fastened；
Step 5: the end of high-voltage connection (2) is connect with the high voltage output terminal in transformer high-voltage junction box (8)；
Step 6: to transformer high-voltage junction box (8) injection transformer insulating oil (3), until being full of transformer high-voltage junction box
(8)；
Step 7: the sealing cover (801) of transformer high-voltage junction box (8) is fastened, guarantees the leakproofness of whole device.
7. installation method as claimed in claim 6, it is characterised in that: in the step 1, need electric dehydration tank high pressure first
It is cleaned out inside termination (9).
8. installation method as claimed in claim 6, it is characterised in that: in the step 6, the transformer insulation oil (3)
Specific injection process is first to the interior injection transformer insulating oil (3) of transformer high-voltage junction box (8), to transformer insulation oil (3)
After entire electric dehydration tank high-voltage connecting device (9), observation soaks oil guide groove (603) to transformer insulation oil (3) completely
Not yet, and after bubble-free emerges, after-teeming transformer insulation oil (3) again, until being full of entire transformer high-voltage junction box (8).
Priority Applications (1)
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| CN201910176005.2A CN109742625B (en) | 2019-03-08 | 2019-03-08 | High-voltage flexible connection device for crude oil electric dehydration transformer and installation method thereof |
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| CN201910176005.2A CN109742625B (en) | 2019-03-08 | 2019-03-08 | High-voltage flexible connection device for crude oil electric dehydration transformer and installation method thereof |
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