CN107046253A - Cable watered and wetting processing unit - Google Patents
Cable watered and wetting processing unit Download PDFInfo
- Publication number
- CN107046253A CN107046253A CN201710313818.2A CN201710313818A CN107046253A CN 107046253 A CN107046253 A CN 107046253A CN 201710313818 A CN201710313818 A CN 201710313818A CN 107046253 A CN107046253 A CN 107046253A
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- CN
- China
- Prior art keywords
- swagelok
- snap ring
- mobile
- cable
- component
- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention provides a kind of cable watered and wetting processing unit, it is connected vavuum pump that heating component that component, the component that is connected with one of fast sealing be connected by pipeline, the component that is connected with another fast sealing be connected by pipeline, the nitrogen gas generator that is connected by pipeline with heating component including being installed on two groups of fast sealings at cable two ends, the nitrogen gas generator front portion is provided with gas booster.The fast sealing is connected component including swagelok, the elastic sealing device positioned at swagelok one end, the pipe connector positioned at the swagelok other end, the temperature sensor in the middle of swagelok, humidity sensor and pressure sensor.The present invention can be quickly by cable with being connected and sealed for nitrogen pipeline, and sealing speed is fast, effect is good, and gas cylinder need not be changed halfway, and operating efficiency is high.Fast sealing be connected component have flow control and temperature, humidity, pressure sensitive function, be greatly improved dehumidifying effect.Equipment overall structure is simple, and manufacture and use cost is low.
Description
Technical field
The present invention relates to a kind of cable handling machinery, more particularly to a kind of cable watered and wetting processing unit.
Background technology
After high-tension cable watered and wetting, moisture can enter cable insulation surface or conductive surface, draw under action of high voltage
Shampoo tree phenomenon, and progressively extend to insulating inner, cause insulation accelerated aging, until puncturing.Such as water tree is full of whole piece cable,
It can only change, cause large-area power-cuts, huge economic loss and serious society's negative effect are brought to country.Existing skill
When being handled in art the water removal dehumidifying of cable, can take into account using vacuumizing more, the method for inflated with nitrogen, for example：Patent of invention
Disclosed in CN203617045U and patent of invention CN104716599A and vacuumized using vavuum pump, be filled with nitrogen using nitrogen cylinder
Gas carries out the device of dehumidifying.Said apparatus is long to some cable lengths, and core gap is small, and cable of large quantities is carried out at dehumidifying
During reason, due to, airway small influence long by cable length, nitrogen is filled with that effect is unsatisfactory, and the problem of existing mainly has：
1st, bottled nitrogen cost is high, and pressure transient, capacity is low, and one long cable of processing cmpletely needs to change multiple nitrogen
Bottle, dehumidifying effect is poor, efficiency is low, cost is high；2nd, it is use sealant tape or sealing when cable and gas ducting connection are sealed more
Long the time required to glue, seal operation, sealer is difficult to remove, and easily leak air phenomenon, is not suitable for pair cross-section specification different
Cable carries out dehumidifying operation；3rd, nitrogen charged pressure and temperature are difficult to control to, and influence effect on moisture extraction.In consideration of it, being necessary to provide
A kind of new cable watered and wetting processing unit thoroughly solves above-mentioned technical problem.
The content of the invention
Technical problem solved by the invention is to provide a kind of cable watered and wetting processing unit.The device has processing
Cost is low, high treating effect, simple in construction, easy to use, safe and reliable advantage.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of cable watered and wetting processing unit, it is characterised in that：Two groups of fast sealings including being respectively arranged in cable two ends
Be connected heating component that component, the component that is connected with one of fast sealing be connected by pipeline, fast with another
Speed is sealedly connected and fixed the vavuum pump that component is connected by pipeline, the nitrogen gas generator being connected with heating component by pipeline, institute
State fast sealing and be connected component including swagelok, the elastic sealing device positioned at swagelok one end, positioned at fitting sleeve
The pipe connector of the pipe other end, the temperature sensor in the middle of swagelok, humidity sensor and pressure sensor, it is described
Elastic sealing device using screw thread be sheathed on outside swagelok end face pressurization pullover, in swagelok
Snap ring is located at most inner side in mobile outer snap ring, flexible rubber ring and fixed interior snap ring, the fixation, including solid with swagelok tube wall
Surely the retainer ring connected, the fixed press platform in retainer ring, the mobile outer snap ring are located at the outside of snap ring in fixed, move
It is inside provided with one that dynamic outer snap ring outside is the mobile extruding sleeve that can be slided in swagelok, movement extrudes sleeve outer face
The mobile squeeze station shunk, mobile extruding sleeve constitutes the L-shaped telescopic pipe in a section, flexible rubber ring peace with mobile squeeze station
It is the ut socket that can be rotated using spanner, ut socket outer end outside the pressurization pullover loaded in mobile extruding sleeve
Provided with the pressurization snap ring to contract, the mobile extruding sleeve of receiving is left between the fixed press platform and swagelok tube wall and is inserted
Mobile space is left between the gap entered, the end face of the pressurization snap ring and swagelok, rotary presser pullover can make pressurization
Snap ring props up mobile outer snap ring and moved inward, and the pipe connector is provided with flow valve, and the nitrogen gas generator front portion is set
There is gas booster.
As the further improvement of the technical program, the heating component includes insulation body, in insulating tube body
Heating tube, deflector and temp probe, described insulation body one end set air inlet, the other end to set gas outlet, deflector and
Heating tube and temperature sensor are located between air inlet and gas outlet.
As the further improvement of the technical program, the nitrogen gas generator is UF membrane nitrogen production by air separation machine, the vacuum
Pump is rotary-vane vaccum pump.
As the further improvement of the technical program, bearing shim is provided between the pressurization snap ring and mobile outer snap ring.
Cable watered and wetting processing unit of the present invention, being connected component using fast sealing can be quickly by cable with supplying nitrogen
Air pipe is connected and sealed, and sealing speed is fast, effect is good, no smooth base.Using nitrogen gas generator nitrogen without interruption, keep away
Exempt from midway and change gas cylinder, the operating efficiency of cable watered and wetting processing can be effectively improved.The fast sealing component that is connected has
Flow is controlled and temperature, humidity, pressure sensitive function, and being combined with the pressure control assembly of heating component and nitrogen gas generator can
The pressure and temperature of nitrogen to being filled with cable, which is realized, to be precisely controlled, and is greatly improved dehumidifying effect.Equipment overall structure is simple,
Manufacture and use cost is low, is easy to safeguard.
Brief description of the drawings
Fig. 1 is the overall structure diagram of cable watered and wetting processing unit of the present invention.
Fig. 2 is that fast sealing of the present invention is connected the structural representation of component.
The structural representation of Fig. 3 heating components of the present invention.
Component names and the corresponding relation of reference are in figure：
1 fast sealing is connected component；2 heating components；3 vavuum pumps；4 nitrogen gas generators；5 gas boosters；10 bearing gaskets
Piece；11 swageloks；12 temperature sensors, 13 pressure sensors；14 pipe connectors；15 pressurization pullovers；16 flexible rubber rings；17
Mobile outer snap ring；18 fix interior snap ring；19 flow valves；15-1 pressurization snap rings；15-2 ut sockets；17-1 moves extruded sleeve
Cylinder；17-2 moves squeeze station；18-1 retainer rings；18-2 fixed press platforms；21 insulation bodys；22 heating tubes；23 deflectors；24 is wet
Spend sensor；25 air inlets；26 gas outlets；100 cables.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme in the present embodiment is clearly and completely described, embodiment is only this
Invent a part of embodiment, rather than whole embodiments.Those of ordinary skill in the art are not before creative work is made
The every other embodiment obtained is put, the scope of protection of the invention is belonged to.
It refer to shown in Fig. 1 to Fig. 3, the invention provides a kind of cable watered and wetting processing unit, including be respectively mounted
Two groups of fast sealings in the two ends of cable 100 be connected component 1, with one of fast sealing component that is connected pass through pipe
Vavuum pump 3 and heating group that the heating component 2 of road connection, the component that is connected with another fast sealing are connected by pipeline
The nitrogen gas generator 4 that part is connected by pipeline, the fast sealing is connected component 1 including swagelok 11, positioned at joint
The elastic sealing device of sleeve pipe one end, the pipe connector 14 positioned at the swagelok other end, the temperature in the middle of swagelok
Sensor 12, humidity sensor 24 and pressure sensor 13 are spent, the elastic sealing device is sheathed on using screw thread
In pressurization pullover 15, the mobile outer snap ring 17 in swagelok, flexible rubber ring 16 and fixation outside swagelok end face
In snap ring 18, the fixation snap ring 18 be located at most inner side, including be fixedly connected with swagelok tube wall retainer ring 18-1, install
Fixed press platform 18-2 in retainer ring, the mobile outer snap ring is located at outside the outside of snap ring in fixed, mobile outer snap ring 17
A shifting to contract is provided with for the mobile extruding sleeve 17-1 that can be slided in swagelok, mobile extruding sleeve outer face
Dynamic squeeze station 17-2, mobile extruding sleeve constitutes the L-shaped telescopic pipe in a section with mobile squeeze station, and flexible rubber ring 16 is installed
In in mobile extruding sleeve, the outside of pressurization pullover 15 is the ut socket 15-2 that can be rotated using spanner, ut socket
Outer end is provided between the pressurization snap ring 15-1 to contract, fixed press platform 18-2 and swagelok 11 tube wall and leaves receiving
Mobile space is left between the gap of mobile extruding sleeve insertion, the end face of the pressurization snap ring 15-1 and swagelok, is rotated
Pressurization pullover 15 can make pressurization snap ring 15-1 prop up mobile outer snap ring 16 to move inward, and the pipe connector is provided with flow
Valve 19, the nitrogen gas generator front portion is provided with gas booster 5.The heating component 2 includes insulation body 21, positioned at insulation
Heating tube 22, deflector 23 in body, temp probe 24, described insulation body one end set air inlet 25, the other end to set
Gas outlet 26, deflector and heating tube and temp probe are located between air inlet and gas outlet.The nitrogen gas generator 4 is film point
From nitrogen production by air separation machine, the vavuum pump 3 is rotary-vane vaccum pump.It is provided between the pressurization snap ring 15-1 and mobile outer snap ring 17
Bearing shim 10.
In the specific implementation, pressurization snap ring 15-1, mobile extruding are set according to the insulating coating diameter of cable first
Platform 17-2, flexible rubber ring 16 and fixed press platform 18-2 diameter of inner pipe size, penetrate cable, by pipe connector 14
It is connected with vavuum pump 3, heating component 2, nitrogen gas generator 4 by pipeline.The dust debris outside cable insulation is removed, by two groups
The fast sealing component 1 that is connected is separately mounted to cable two ends, cable end face and retainer ring 18-1 inner side edges to its, Ran Houxuan
Tight pressurization pullover 15, bearing shim 10 is inwardly extruded using the snap ring 15-1 that pressurizes, and bearing shim 10 is inside by mobile outer snap ring 17
Push away, the mobile squeeze station 17-2 extruding flexible rubber rings 16 of mobile outer snap ring 17, flexible rubber ring 16 is by fixed press platform 18-2's
Stop can not continue to move inward, and be deformed upon under mobile squeeze station 17-2 pressure effect, due to the two of flexible rubber ring 16
Outer snap ring 17 is moved in side and outside and fixed interior snap ring 18 is limited, so flexible rubber ring 16 can only be exhausted to contract extruded cable
Outside edge, continue rotary presser pullover 15, connect fast sealing between swagelok 11 and cable insulation, then can carry out
Draw water, nitrogen charging, heating gas operation.
When handling serious cable of intaking, draining, vavuum pump 3 and cable one are carried out first with vavuum pump 3
The fast sealing at end is connected component connection, and the be connected flow valve 19 of component of the fast sealing of the cable other end is in
Semi-closed state, makes rate of air sucked in required big, air inflow is small, increases the pumping power of vavuum pump 3, accelerates cable draining.Treat that nothing occurs in cable
When water droplet, only bubble are discharged, stop vacuumizing.Then semi-closed flow valve 19 is opened, opens heating component 2 and nitrogen
The nitrogen that gas generator 4 is filled after heating, pressurization, gas booster 5 makes nitrogen pressure be maintained at 1-1.5MP, and heating component 2 is to nitrogen
Gas is heated, the fast sealing of inlet end be connected component nitrogen temperature in 75-80 degree.In outlet side, air outlet temperature exists
45-50 degree, relative humidity it is stable below 5% after, then inflated with nitrogen 12 hours is carried out after absorptance test passes, it is believed that cable
Interior water is processed clean, and cable can be used normally.To without water inlet, when the cable simply made moist is handled, without carrying out
Draining, can directly carry out inflated with nitrogen dehumidifying.The nitrogen of nitrogen gas generator manufacture is entered the guarantor of heating component 2 by air inlet 25
Warm body 21, is heated by heating tube 22, and deflector 23 can reduce flowing velocity of the nitrogen in insulation body 21, and temperature is visited
First 24 are used to be monitored the gas temperature in insulation body 21.The fast sealing at cable two ends is connected component can be simultaneously
The monitoring of air pressure and temperature and humidity is carried out, is easy to operator accurately to control to be filled with the temperature and pressure of nitrogen.Inflated with nitrogen initial stage,
The flow valve 19 of outlet side can be closed, observe pressure sensor, if the pressure of outlet side and inlet end is close and protects
It is fixed to keep steady, then the insulating protective layer in the middle of cable can further carry out dehumidifying operation without breakage, conversely, then needing to check cable
Insulation whether there is breakage, or checks whether the fast sealing component that is connected is fully sealed.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to above-described embodiment will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
Embodiment illustrated herein is not intended to be limited to, and is to fit to consistent with principles disclosed herein and features of novelty
Most wide scope.
Claims (4)
1. a kind of cable watered and wetting processing unit, it is characterised in that：Two groups including being respectively arranged in cable two ends quickly close
Envelope is connected the heating component and another that component, the component that is connected with one of fast sealing be connected by pipeline
Fast sealing is connected the vavuum pump that component is connected by pipeline, the nitrogen gas generator being connected with heating component by pipeline,
The fast sealing is connected component including swagelok, the elastic sealing device positioned at swagelok one end, positioned at joint
The pipe connector of the sleeve pipe other end, the temperature sensor in the middle of swagelok, humidity sensor and pressure sensor, institute
State elastic sealing device and be sheathed on pressurization pullover outside swagelok end face, in swagelok using screw thread
Mobile outer snap ring, flexible rubber ring and it is fixed in snap ring, snap ring is located at most inner side in the fixation, including with swagelok tube wall
The retainer ring being fixedly connected, the fixed press platform in retainer ring, the mobile outer snap ring are located at the outside of snap ring in fixed,
Outside mobile outer snap ring for can be slided in swagelok mobile extruding sleeve, mobile extruding sleeve outer face provided with one to
The mobile squeeze station of contract, mobile extruding sleeve constitutes the L-shaped telescopic pipe in a section, flexible rubber ring with mobile squeeze station
It is installed in mobile extruding sleeve, is the ut socket that can be rotated using spanner outside the pressurization pullover, outside ut socket
End is provided with the pressurization snap ring to contract, and the mobile extruding sleeve of receiving is left between the fixed press platform and swagelok tube wall
Mobile space is left between the gap of insertion, the end face of the pressurization snap ring and swagelok, rotary presser pullover can make to add
Pressure snap ring props up mobile outer snap ring and moved inward, and the pipe connector is provided with flow valve, and the nitrogen gas generator is anterior
Provided with gas booster.
2. cable watered and wetting processing unit according to claim 1, it is characterised in that：
The heating component includes insulation body, heating tube, deflector and temp probe in insulating tube body, the insulation
Body one end sets air inlet, the other end to set gas outlet, and deflector and heating tube and temperature sensor are located at air inlet and gone out
Between gas port.
3. cable watered and wetting processing unit according to claim 1, it is characterised in that：
The nitrogen gas generator is UF membrane nitrogen production by air separation machine, and the vavuum pump is rotary-vane vaccum pump.
4. cable watered and wetting processing unit according to claim 1, it is characterised in that：
Bearing shim is provided between the pressurization snap ring and mobile outer snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710313818.2A CN107046253B (en) | 2017-05-05 | 2017-05-05 | Cable water inlet humidifying treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710313818.2A CN107046253B (en) | 2017-05-05 | 2017-05-05 | Cable water inlet humidifying treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107046253A true CN107046253A (en) | 2017-08-15 |
| CN107046253B CN107046253B (en) | 2023-07-28 |
Family
ID=59546189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710313818.2A Active CN107046253B (en) | 2017-05-05 | 2017-05-05 | Cable water inlet humidifying treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107046253B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514900A (en) * | 2017-10-13 | 2017-12-26 | 国网河北省电力公司衡水供电分公司 | Cable dehumidification equipment |
| CN111524659A (en) * | 2020-03-20 | 2020-08-11 | 宁波东方电缆股份有限公司 | Method for repairing unqualified insulation resistance of flexible mineral insulated metal sheathed cable |
| CN115117799A (en) * | 2022-07-12 | 2022-09-27 | 远东电缆有限公司 | Method for treating water inflow or damage and damp of extra-high voltage cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4519759A (en) * | 1982-08-23 | 1985-05-28 | Cable Technology Laboratories, Inc. | Apparatus for making shrinkable tubing |
| WO1987000344A1 (en) * | 1985-06-24 | 1987-01-15 | Pugh Paul F | Gas pressurized cable and conduit system |
| CN203617045U (en) * | 2013-11-18 | 2014-05-28 | 国家电网公司 | Cable vacuum pumping and moisture removing device |
| CN104716599A (en) * | 2015-03-30 | 2015-06-17 | 中国矿业大学(北京) | Quick repairing technology for high voltage cable which enables water to enter and is affected with dampness |
-
2017
- 2017-05-05 CN CN201710313818.2A patent/CN107046253B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4519759A (en) * | 1982-08-23 | 1985-05-28 | Cable Technology Laboratories, Inc. | Apparatus for making shrinkable tubing |
| WO1987000344A1 (en) * | 1985-06-24 | 1987-01-15 | Pugh Paul F | Gas pressurized cable and conduit system |
| CN203617045U (en) * | 2013-11-18 | 2014-05-28 | 国家电网公司 | Cable vacuum pumping and moisture removing device |
| CN104716599A (en) * | 2015-03-30 | 2015-06-17 | 中国矿业大学(北京) | Quick repairing technology for high voltage cable which enables water to enter and is affected with dampness |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514900A (en) * | 2017-10-13 | 2017-12-26 | 国网河北省电力公司衡水供电分公司 | Cable dehumidification equipment |
| CN107514900B (en) * | 2017-10-13 | 2023-11-07 | 国网河北省电力公司衡水供电分公司 | Cable dehumidification equipment |
| CN111524659A (en) * | 2020-03-20 | 2020-08-11 | 宁波东方电缆股份有限公司 | Method for repairing unqualified insulation resistance of flexible mineral insulated metal sheathed cable |
| CN115117799A (en) * | 2022-07-12 | 2022-09-27 | 远东电缆有限公司 | Method for treating water inflow or damage and damp of extra-high voltage cable |
| CN115117799B (en) * | 2022-07-12 | 2023-11-28 | 远东电缆有限公司 | Treatment method for water inflow or damage and damp of extra-high voltage cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107046253B (en) | 2023-07-28 |
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