CN108716014A - A kind of coiled tubing chrome-plating device - Google Patents
A kind of coiled tubing chrome-plating device Download PDFInfo
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- CN108716014A CN108716014A CN201810422271.4A CN201810422271A CN108716014A CN 108716014 A CN108716014 A CN 108716014A CN 201810422271 A CN201810422271 A CN 201810422271A CN 108716014 A CN108716014 A CN 108716014A
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- coiled tubing
- pipe
- rotary shaft
- brush
- electroplate liquid
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- 238000007747 plating Methods 0.000 title claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 80
- 238000009713 electroplating Methods 0.000 claims abstract description 69
- 238000007789 sealing Methods 0.000 claims abstract description 47
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 37
- 239000011651 chromium Substances 0.000 claims abstract description 37
- 230000005684 electric field Effects 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims description 30
- 238000009826 distribution Methods 0.000 claims description 11
- 239000000969 carrier Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 238000005260 corrosion Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000000295 complement effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/04—Tubes; Rings; Hollow bodies
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/007—Current directing devices
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/02—Heating or cooling
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/10—Agitating of electrolytes; Moving of racks
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/04—Electroplating with moving electrodes
- C25D5/06—Brush or pad plating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The present invention relates to a kind of coiled tubing chrome-plating devices.Its technical solution is：Pipe machine and pipe collecting machine are put outside electroplating pool, the downside of supporting rack installs positive torch, chromium piece group is fixed on positive torch；Fixed link is installed on the top of supporting rack, brush carrier is contacted by brush with connected pipes；The inner cavity side of electroplating pool is equipped with electroplate liquid input pipe, and the one end for the rotary shaft for putting pipe machine is connected to by putting pipe moving seal, and the other end connects the inner end of coiled tubing；It is equipped with electroplate liquid efferent duct in the other side of the inner cavity of electroplating pool, one end of the rotary shaft of pipe collecting machine is connected to by closed tube dynamic sealing, the other end connects the outer end of coiled tubing, and advantageous effect is：The present invention carries out dynamic plating using dedicated device and technique, make the coiled tubing in electroplating pool under the action of uniform electric field, the inner and outer wall and outer end for making coiled tubing realize chromium plating, realize the function of the anti-corrosion hardening of coiled tubing, extend the service life of coiled tubing.
Description
Technical field
The present invention relates to a kind of coiled tubing anti-corrosion hardening device and method, more particularly to a kind of coiled tubing chromium plating dress
It sets.
Background technology
With the continuous development of coiled tubing technology, coiled tubing oil recovery or coal bed gas development and application have been pushed,
There is existing coiled tubing flexibility well, a roll of coiled tubing to grow several kms, and conventional oil pipe can be replaced much to be made
Industry, continuous oil pipe operation equipment have the characteristics that Operating Pressure, continuously remove, and equipment volume is small, and duty cycle is fast, at low cost
Advantage, but also with non-threaded connection, operational reliability and safe；Workload is greatly reduced, labor intensity is reduced；
Can not stop production Operating Pressure, the advantages of reduction to reservoir injury.Particularly suitable for Operating Pressure, horizontal well and High angle
Well operations play an increasingly important role in oil exploration and exploitation.
Currently, most of oil well, due to stratum energy abundance, flow velocity is higher, and contains a large amount of hydrogen sulfide gas, because
This, the anti-corrosion hardening to coiled tubing is exactly a critically important project.Existing oil pipe anti-corrosive technique is generally by even
Continuous oil-pipe external wall smears preservative, and then reduces the corrosion of outer wall, can not solve the inner wall of the coiled tubing of a few km length
Anticorrosion since the throughput of extraction liquid is bigger, and contains smaller particle, meeting in addition, coiled tubing is during oil extraction
The tube wall of coiled tubing is ceaselessly worn, and then keeps tube wall thinning, reduces its service life, therefore, existing anticorrosion process
It can not solve the problems, such as that the hardening of coiled tubing, above-mentioned problem can cause the oil well for using coiled tubing in the feelings of local damage
Under condition, can only integrally propose coiled tubing in addition it is serious to scrap whole coiled tubing, cost is larger, costly.
Chinese patent literature number is 104711650A, and patent name is《The electro-plating method of seamless steel pipe》, by following step
Rapid composition：Step 1 configures electric chrome solution composition；Step 2 takes seamless steel pipe, closes the inside of seamless steel pipe, only sudden and violent
The peripheral surface for revealing seamless steel pipe under stirring condition, at 29-35 DEG C, controls current density 16-20A/dm2, adjusts electrodeposited chromium
The pH value of solution is 2.5-3.1, and anode electrode is high pure graphite electrode, electroplating time 40-50min, i.e., on seamless steel pipe surface
Form hard chromium layers.The thickness of coating that the method for the present invention obtains is uniform, and the conjugation of coating is good, and surface smoothness is high, due to not having
Have to form toxic hexavalent chromium, the feature of environmental protection is good；Seamless steel pipe after plating can be used for preparing spinning roller, have good dynamic
Balance, extends service life, improves using effect, realize unexpected technique effect.But it still has one
A problem is：The invention carries out chromium plating just for the outer wall of seamless steel pipe, and there is no chromium plating for inner wall, this cannot meet inner wall increasing
Hard needs；In addition, the length due to coiled tubing is too long, existing technique cannot be satisfied the needs of inner wall chromium plating.
Chinese patent literature number is 1064901A, and patent name is《Deep-hole sizing chromate plating device and process》, special
Not Shi Yongyu internal diameter is Φ 30- Φ 100mm, length is 4500-8000mm tubular workpiece, workpiece kept flat using horizontal water
It sets, cathode (workpiece) rotation, anode moves back and forth, and is passed through low concentration electrolyte, by controlling electroplating technological parameter, you can
Obtain light, densification, roughness, dimensional accuracy and the satisfactory coating of the accuracy of form and position.Coating deposition rate is fast, efficient；
Electrolyte uses closed circulation, and working condition is good, non-environmental-pollution.It is directed to the tubulose that length is 4500mm -8000mm
Workpiece, and the present invention claims the coiled tubings of several kms, it is required that differing greatly.
Chinese patent literature number is 01851774A, and patent name is《Horizontal chromium plating device》, including body, DC power supply,
Coating bath, work-piece rotating device and chromium mist retracting device, it is characterized in that:Coating bath is mother-son groove, imitative type anode is set in pilot trench, bottom is set
There is flange connecting pipe to connect with female groove, one end of body has reduction gearing mechanism, the other end to be equipped with chromium mist retracting device, and female groove is located at
The lower section of pilot trench, mother-son groove are engaged by flange connecting pipe, and submerged pump is equipped in pipe, and conducting copper connects with imitative type anode, cathode
Conducting ring is located on the transmission shaft of speed reducer, and work-piece rotating device is engaged by tooling flange with workpiece by deceleration mechanism.Knot
Structure is simple, it is not necessary to build high workshop;Circumferentially coating is uniform, and short time power failure is unaffected, and electroplate liquid is complete when not working
It is stored in female groove entirely, is convenient for the repair and maintenance of equipment, clamping workpiece convenience, safe operation, production efficiency are high, environment protecting
It is good, environmental pollution is not easily caused, can economize on electricity 50%.The invention is mainly used for a piston rod of hydraulic mobile crane, and length is
Between 6-10 meters, the requirement with the present invention is also that difference is larger.
Invention content
The purpose of the present invention provides a kind of coiled tubing chrome-plating device aiming at drawbacks described above of the existing technology,
The chromium plating requirement that the coiled tubing of a few km length is realized by dedicated equipment realizes the anti-corrosion hardening of coiled tubing
Function, and the inner and outer wall of coiled tubing and outer end is made to realize chromium plating, realize coiled tubing inner cavity and outer end
Chromium plating.
A kind of coiled tubing chrome-plating device that the present invention mentions, technical solution are：Including putting pipe machine（1）, electroplating pool
（2）, distribution box（3）, pipe collecting machine（4）, chromium piece group（7）, chromium piece fixator（8）, fast electric folder（9）, rectifier（10）, electroplate liquid
Efferent duct（11）, conducting wire（13）, cathode conductor stick（14）, single-stage conducting wire（15）, brush carrier（16）, brush（17）, electroplate liquid
Input pipe（20）, electric pump（21）, positive torch（22）, fixed link（24）,K2CrO4Solution（26）And supporting rack（31）, the electricity
Plate pond（2）Both sides outer wall be respectively equipped with coiled tubing（23）By through-hole, in electroplating pool（2）Both sides outside be respectively equipped with
Put pipe machine（1）And pipe collecting machine（4）, putting pipe machine（1）Upper winding coiled tubing（23）, in electroplating pool（2）Inner cavity be installed on branch
Support（31）, support frame as described above（31）Downside horizontal positioned positive torch is installed（22）, positive torch（22）By more
A fast electric folder（9）With multiple chromium piece fixators（8）Upper fixed chromium piece group（7）Connection；In supporting rack（31）Top installation
There is horizontally disposed fixed link（24）, in fixed link（24）On multiple brush carriers are distributed with（16）, brush carrier（16）Pass through
Brush（17）It is kept in contact with the outer wall of mobile connected pipes；Support frame as described above（31）Top be equipped with it is horizontally disposed negative
Polar conductor stick（14）, pass through cathode conductor stick（14）Connect multiple brush carriers（16）；In distribution box（3）Rectifier is inside installed
（10）, rectifier（10）Anode pass through conducting wire（13）It is connected to positive torch（22）, cathode passes through conducting wire（13）It is connected to negative
Polar conductor stick（14）；
The electroplating pool（2）Inner cavity side be equipped with electroplate liquid input pipe（20）, electric pump（21）Mounted on electroplate liquid input pipe
（20）On, the electroplate liquid input pipe（20）By putting pipe moving seal（5）It is connected to and puts pipe machine（1）Rotary shaft one end, rotation
The other end of shaft is by putting pipe moving seal（5）Connect the inner end of coiled tubing；In electroplating pool（2）The other side of inner cavity set
There is electroplate liquid efferent duct（11）, pass through closed tube dynamic sealing（6）It is connected to pipe collecting machine（4）Rotary shaft one end, rotary shaft it is another
One end passes through closed tube dynamic sealing（6）Connect the outer end of coiled tubing, wherein put pipe machine（1）And pipe collecting machine（4）Rotary shaft it is equal
For hollow structure.
Preferably, above-mentioned electroplating pool（2）Both sides outer wall through-hole be equipped with one-way sealing seal（27）, it is used for and continuous oil
Pipe（23）Outer wall be sealed, and the electroplating pool（2）Right side through-hole be equipped with backup seal lid（12）.
Preferably, above-mentioned to put pipe machine（1）Rotary shaft be hollow structure, and one end of hollow rotary shaft is dynamic by putting pipe
Sealing（5）It is connected to electroplate liquid input pipe（20）End；The other end of hollow rotary shaft is by putting pipe moving seal（5）Connection
To coiled tubing（23）Inner end.
Preferably, above-mentioned pipe collecting machine（4）Rotary shaft be hollow structure, and one end of hollow rotary shaft is dynamic by closed tube
Sealing（6）It is connected to electroplate liquid efferent duct（11）End；The other end of hollow rotary shaft passes through closed tube dynamic sealing（6）Connection
To coiled tubing（23）Outer end.
Preferably, above-mentioned to put pipe moving seal（5）Including dynamic sealing pressure cap（5.1）With dynamic sealing carrier（5.2）Composition, is revolving
The both ends of shaft are movably connected with dynamic sealing pressure cap（5.1）, in dynamic sealing pressure cap（5.1）With rotary shaft（34）End between
Form a groove, the dynamic sealing carrier（5.2）Outer wall set there are one bulge loop, which coordinates with groove, and described dynamic
Seal carrier（5.2）Outside pass through multiple sealing rings and the inner wall of rotary shaft and coordinate, the dynamic sealing carrier（5.2）It is outer
End is connected to electroplate liquid input pipe（20）And coiled tubing（23）Inner end.
Preferably, above-mentioned coiled tubing（23）Outer end inner cavity install a check valve（28）, continuous for being promoted
The pressure difference of oil pipe fills the inner cavity of entire coiled tubing convenient for electroplate liquid.
Preferably, above-mentioned fixed link（24）On three groups or more of brush carrier is distributed with（16）, the brush carrier
（16）To be columnar structured, coiled tubing passes through multigroup columnar structured brush carrier（16）, and in each brush carrier
（16）Outer wall on set there are three brush mounting hole, and be spaced 120 degree and be distributed, pass through spring in each brush mounting hole
（17.1）And boss（17.2）Coordinate brush（17）Connection, each brush（17）End contacted with the outer wall of coiled tubing,
The other end of brush passes through single-stage conducting wire（15）It is connected to cathode conductor stick（14）.
Preferably, above-mentioned cathode conductor stick（14）Pass through insulation sleeve（19）With supporting rack（31）Connection, and led in cathode
Bar（14）Both ends pass through fixed pressure cap（18）By conducting wire（13）It is fixedly connected.
Preferably, above-mentioned electroplating pool（2）Bottom spare adding thermal resistance is installed（30）, in electroplate liquid input pipe（20）
On be installed on pressure gauge（29）.
Preferably, above-mentioned cathode conductor stick（14）Multigroup brush carrier of upper connection（16）Respectively with positive torch（22）
Multigroup chromium piece group of upper connection（7）It corresponds, forms uniform electric field.
The beneficial effects of the invention are as follows：Static electroplating schemes are revised as dynamic electroplating schemes, Er Qietong by the present invention
The stable cooperation for putting pipe machine and pipe collecting machine is crossed, realizes that the continuous of coiled tubing slowly moves in electroplating pool；Also, by putting pipe
The rotary shaft of machine and pipe collecting machine uses hollow structure, puts one end connection electroplate liquid input pipe of the rotary shaft of pipe machine, and the other end connects
Connect the inner end of coiled tubing；In addition, connecting electroplate liquid efferent duct in one end of the rotary shaft of pipe collecting machine, other end connection is continuous
Electroplate liquid is injected into from electroplating pool by electric pump so as to form the circulation canal of an electroplate liquid by the outer end of oil pipe
The inner cavity of coiled tubing, then flow out in electroplating pool, cycle of the realization electroplate liquid in coiled tubing inner cavity；Due to needing continuous oil
The inner cavity of pipe needs to be full of electroplate liquid in plating, so in the end of coiled tubing, that is, check valve is installed in outer end, leads to
The pressurization for crossing check valve makes the inner cavity of coiled tubing be full of electroplate liquid, in this way, being conducive to entire coiled tubing inner cavity plating
Uniformly；In addition, it is uniform in order to improve plating, multigroup brush carrier, the outer wall of each brush carrier are connected on cathode conductor stick
On set there are three brush mounting hole, and be spaced 120 degree and be distributed, brush, the end of each brush are installed in each brush mounting hole
End is contacted with the outer wall of coiled tubing, and the other end of brush is connected to cathode conductor stick by single-stage conducting wire, to make electroplating pool
In coiled tubing under the action of uniform electric field, preferably realize the plating of chromium, make the inner and outer wall of coiled tubing and outer
Chromium plating is realized in end, realizes the function of the anti-corrosion hardening of coiled tubing, extends the service life of coiled tubing, improve
The efficiency of oil producing operation.
Description of the drawings
Attached drawing 1 is the overall structure diagram of the present invention；
Attached drawing 2 is the structural schematic diagram of the outer end plating to coiled tubing；
Attached drawing 3 is the structural schematic diagram being electroplated before coiled tubing access pipe collecting machine；
Attached drawing 4 is the side of rotary shaft and the connection diagram of dynamic sealing；
Attached drawing 5 is the sectional view of brush carrier and coiled tubing cooperation；
In upper figure：It puts pipe machine 1, electroplating pool 2, distribution box 3, pipe collecting machine 4, put pipe moving seal 5, closed tube dynamic sealing 6, chromium piece group 7, chromium
Piece fixator 8, fast electric folder 9, rectifier 10, electroplate liquid efferent duct 11, backup seal lid 12, conducting wire 13, cathode conductor stick 14,
Single-stage conducting wire 15, brush carrier 16, brush 17, fixed pressure cap 18, insulation sleeve 19, electroplate liquid input pipe 20, electric pump 21, anode electricity
Stick 22, coiled tubing 23, fixed link 24, fixing nut 25, K2CrO4Solution 26, one-way sealing seal 27, check valve 28, pressure gauge
29, spare adding thermal resistance 30, supporting rack 31, interim pipeline 32, connector 33, rotary shaft 34, spring 17.1 and boss 17.2.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1, reference attached drawing 1-5, a kind of coiled tubing chrome-plating device that the present invention mentions, technical solution are：Packet
Include pipe machine 1 of putting, electroplating pool 2, distribution box 3, pipe collecting machine 4, chromium piece group 7, chromium piece fixator 8, fast electric folder 9, rectifier 10, plating
Liquid efferent duct 11, conducting wire 13, cathode conductor stick 14, single-stage conducting wire 15, brush carrier 16, brush 17, electroplate liquid input pipe 20, electricity
Pump 21, positive torch 22, fixed link 24, K2CrO4The both sides outer wall of solution 26 and supporting rack 31, the electroplating pool 2 is respectively equipped with
Coiled tubing 23 by through-hole, be respectively equipped with outside the both sides of electroplating pool 2 and put pipe machine 1 and pipe collecting machine 4, on putting pipe machine 1
Coiled tubing 23 is wound, supporting rack 31 is installed in the inner cavity of electroplating pool 2, the downside of support frame as described above 31 is equipped with horizontal positioned
Positive torch 22, positive torch 22 9 connect by multiple fast electrics folder with fixed chromium piece group 7 on multiple chromium piece fixators 8；
Horizontally disposed fixed link 24 is installed on the top of supporting rack 31, multiple brush carriers 16 are distributed in fixed link 24, electricity
Brush carrier 16 is kept in contact by brush 17 and the outer wall of mobile connected pipes；The top of support frame as described above 31 is equipped with level
The cathode conductor stick 14 of setting connects multiple brush carriers 16 by cathode conductor stick 14；Rectifier is installed in distribution box 3
10, the anode of rectifier 10 is connected to positive torch 22 by conducting wire 13, and cathode is connected to cathode conductor stick 14 by conducting wire 13；
The inner cavity side of the electroplating pool 2 is equipped with electroplate liquid input pipe 20, and electric pump 21 is mounted on electroplate liquid input pipe 20, institute
One end that electroplate liquid input pipe 20 is connected to the rotary shaft for putting pipe machine 1 by putting pipe moving seal 5 is stated, the other end of rotary shaft passes through
Put the inner end that pipe moving seal 5 connects coiled tubing；It is equipped with electroplate liquid efferent duct 11 in the other side of the inner cavity of electroplating pool 2, is led to
One end that closed tube dynamic sealing 6 is connected to the rotary shaft of pipe collecting machine 4 is crossed, the other end of rotary shaft is connected by closed tube dynamic sealing 6 to be connected
The outer end of continuous oil pipe, wherein the rotary shaft for putting pipe machine 1 and pipe collecting machine 4 is hollow structure.
With reference to attached drawing 1, the through-hole of the both sides outer wall of electroplating pool 2 of the invention is equipped with one-way sealing seal 27, is used for and connects
The outer wall of continuous oil pipe 23 is sealed, and in this way when coiled tubing slowly moves to the right, sealing effect is more preferable, and described
The through-hole on the right side of electroplating pool 2 is equipped with backup seal lid 12, in this way, when coiled tubing has just enter into electroplating pool, can incite somebody to action
Backup seal lid seals up the through-hole on the right side of electroplating pool, makes the outer end of coiled tubing that completion smoothly be electroplated.
With reference to attached drawing 1,4, the rotary shaft for putting pipe machine 1 of the invention is hollow structure, and one end of hollow rotary shaft is logical
It crosses and puts the end that pipe moving seal 5 is connected to electroplate liquid input pipe 20；The other end of hollow rotary shaft is connected by putting pipe moving seal 5
It is connected to the inner end of coiled tubing 23.
In addition, the rotary shaft of pipe collecting machine 4 is hollow structure, and one end of hollow rotary shaft is connected by closed tube dynamic sealing 6
It is connected to the end of electroplate liquid efferent duct 11；The other end of hollow rotary shaft is connected to coiled tubing 23 by closed tube dynamic sealing 6
Outer end.
More particularly：The pipe moving seal 5 of putting of the present invention includes that dynamic sealing pressure cap 5.1 and dynamic sealing carrier 5.2 form,
The both ends of rotary shaft are movably connected with dynamic sealing pressure cap 5.1, are formed between dynamic sealing pressure cap 5.1 and the end of rotary shaft 34
The outer wall of one groove, the dynamic sealing carrier 5.2 is set there are one bulge loop, which coordinates with groove, and the dynamic sealing carries
The outside of body 5.2 is coordinated by multiple sealing rings and the inner wall of rotary shaft, and the outer end of the dynamic sealing carrier 5.2 is connected to electricity
The inner end of plating solution input pipe 20 and coiled tubing 23.
In addition, one check valve 28 of outer end inner cavity installation of coiled tubing 23, the pressure difference for promoting coiled tubing,
The inner cavity of entire coiled tubing is filled convenient for electroplate liquid, and then keeps the effect of plating more preferable.
With reference to attached drawing 5, three groups or more of brush carrier 16 is distributed in fixed link 24, the brush carrier 16 is cylindrical shape
Structure, coiled tubing passes through multigroup columnar structured brush carrier 16, and three are equipped on the outer wall of each brush carrier 16
A brush mounting hole, and 120 degree of distributions are spaced, it will be electric by spring 17.1 and the cooperation of boss 17.2 in each brush mounting hole
17 connection of brush, the end of each brush 17 are contacted with the outer wall of coiled tubing, and the other end of brush is connected by single-stage conducting wire 15
To cathode conductor stick 14.
The cathode conductor stick 14 of the present invention is connect by insulation sleeve 19 with supporting rack 31, and at the both ends of cathode conductor stick 14
Conducting wire 13 is fixedly connected by fixed pressure cap 18.
The bottom of electroplating pool 2 is equipped with spare adding thermal resistance 30, the temperature of electroplate liquid can be adjusted, in electroplate liquid
Pressure gauge 29 is installed on input pipe 20, convenient for the pressure change of observation circulation canal.
Furthermore the multigroup brush carrier 16 connected on cathode conductor stick 14 respectively with multigroup chromium for being connected on positive torch 22
Piece group 7 corresponds, and forms uniform electric field, makes the effect of plating so more preferably evenly.
A kind of application method for coiled tubing chrome-plating device that the present invention mentions, includes the following steps：
One, plating：When starting plating due to coiled tubing, the system of entire coiled tubing is open, reference attached drawing 2,（It needs
What is illustrated is：The coiled tubing for putting pipe machine side is normally multi-turn, this figure is only decorated with circle signal, and Fig. 1 and Fig. 3 are also such feelings
Condition）, electroplate liquid input pipe 20 is connected to the one end for the rotary shaft for putting pipe machine 1 by putting pipe moving seal 5, and the other end of rotary shaft is logical
It crosses and puts the inner end that pipe moving seal 5 connects coiled tubing, wherein rotary shaft is hollow structure；So first will be close at pipe collecting machine 4
Through-hole top cover labyrinth 12 is installed, block the through-hole on the right side of electroplating pool 2, then the liquid level of the electroplate liquid of electroplating pool 2 is increased to work
Make liquid level；It opens distribution box 3 to be powered whole system, pipe machine 1 is put in startup, and the outer end of coiled tubing is slowly transported to
In electroplating pool 2, and it is submerged in electroplate liquid（K2CrO4Solution）In, at this point, opening the switch of rectifier 10, pass through rectifier 10
Connect the positive torch 22 and cathode conductor stick 14 in electroplating pool, wherein positive torch 22 is mounted on supporting rack 31, anode electricity
Stick 22 is separately connected chromium piece group 7 by multiple fast electrics folder 9, and the lower end of each chromium piece group 7 is connected by chromium piece fixator 8；Institute
The top that cathode conductor stick 14 is fixed on supporting rack 31 is stated, and lower part connects brush carrier 16, institute by single-stage conducting wire 15 respectively
Brush carrier 16 is stated in fixed link 24, fixed link 24 is mounted on the top of supporting rack 31, the outer end of coiled tubing
Electroplating process is as normal workpiece, until the outer end plating of coiled tubing is completed；
Two, after the completion of the outer end of coiled tubing is electroplated, start electric pump 21, keep a part for the electroplate liquid in electroplating pool 2 logical
The inner cavity that electroplate liquid input pipe 20 is transported to coiled tubing 23 is crossed, since the length of coiled tubing is longer, the electroplate liquid of electroplating pool 2
It is largely injected into the inner cavity of coiled tubing 23, to make the liquid level of the electroplate liquid in electroplating pool 2 decline to a great extent, is reduced to electricity
It plates below the through-hole on the right side of pond, coiled tubing 23 is at this moment driven into the through-hole moved through on the right side of electroplating pool by putting pipe machine 1,
And by one-way sealing seal 27 by the gap sealing between coiled tubing and through-hole, check valve 28 is filled in coiled tubing at this time
Chamber, and connect interim pipeline 32 in the outer end of coiled tubing, is used for replacing electroplating liquid efferent duct 11, and by the another of interim pipeline
End is put into electroplating pool 2；Then electroplate liquid is injected into electroplating pool 2, continues to start electric pump 21, makes the electroplate liquid constantly company of being pumped into
Continuous oil pipe inner cavity, and electroplate liquid constantly is supplemented into electroplating pool 2, so that the liquid level stabilizing of electroplate liquid is being had certain altitude；Work as pump
When the electroplate liquid entered is flowed to from interim pipeline in electroplating pool 2, the plating liquid level in electroplating pool 2 is at this moment added into operating fluid level,
Then, it is again started up and puts pipe machine 1, so that coiled tubing 23 is recycled a distance and be at this moment again started up rectifier 10, make continuous oil
The plating section of pipe increases, and until the length for plating section can meet and can be packed into and be connected to pipe collecting machine 4, closes opening for rectifier 10
It closes；
Three, it after pipe collecting machine 4 are accessed in the outer end of coiled tubing, removes interim pipeline and is changed to electroplate liquid efferent duct 11, lead to
One end that closed tube dynamic sealing 6 is connected to the rotary shaft of pipe collecting machine 4 is crossed, the other end of rotary shaft is connected by closed tube dynamic sealing 6 to be connected
The outer end of continuous oil pipe, wherein rotary shaft is hollow structure, forms electroplating pool 2, electroplate liquid input pipe 20, coiled tubing 23, electricity
Plating solution efferent duct 11 returns the circulation canal of the electroplate liquid of electroplating pool 2；Then, start electric pump 21, electroplate liquid is made to be followed above-mentioned
Ring channel fully recycles, and keeps work liquid level of the electroplate liquid in electroplating pool；It is then turned on the switch of rectifier 10, passes through rectification
Device 10 connects positive torch 22 and cathode conductor stick 14 in electroplating pool, and plating is made to start to be normally carried out under the action of electric field,
It realizes the plating synchronous with outer wall of the inner cavity of the coiled tubing under electric field covering, pipe machine 1 and closed tube is put according to the startup of the speed of plating
Machine 4 makes coiled tubing slowly move and reaches the completion of mobile balance and plating, until whole coiled tubing completes plating；
Four, after the completion of whole coiled tubing is electroplated, the power supply for first stopping pipe collecting machine 4, putting pipe machine 1, electric pump 21 and rectifier 20,
And stop power supply of the distribution box 3 to whole system, at this moment, electroplate liquid efferent duct 11 is converted into interim pipeline, and put it into
In complementary tank, using nitrogen, the electroplate liquid in coiled tubing is blown out and is stored in complementary tank, at this moment, then will plating
Liquid in pond 2 is discharged and is saved in complementary tank, after completing above-mentioned steps, then steering phase that pipe machine 1 and pipe collecting machine 4 will be put
Exchange, make coiled tubing 23 reset to again put it is spare in pipe machine.
In this way, the whole coiled tubing formed only puts the advantages of inner end at pipe machine 1 is not plated, does so
It is that the inner end of coiled tubing forms the most weak part of primary battery, in this way, when generation corrosion gets rusty, so that it may when with first
Between find, be conducive to the management and control to coiled tubing.
It is very big putting on pipe machine even if disk since coiled tubing has the length of several kms, it can not be with existing conventional
Chrome-plated process is wholy placed in electroplating pool and is electroplated, and therefore, static electroplating schemes are revised as dynamically by the present invention
Electroplating schemes, and coordinated by putting pipe machine and stablizing for pipe collecting machine, realize that the continuous of coiled tubing slowly moves in electroplating pool
It is dynamic；Also, the rotary shaft by putting pipe machine and pipe collecting machine uses hollow structure, puts one end connection electroplate liquid of the rotary shaft of pipe machine
Input pipe, the other end connect the inner end of coiled tubing；In addition, one end connection electroplate liquid output of the rotary shaft in pipe collecting machine
Pipe, the other end connects the outer end of coiled tubing, so as to form the circulation canal of an electroplate liquid, by electric pump by electroplate liquid
It is injected into the inner cavity of coiled tubing from electroplating pool, then flows out in electroplating pool, realizes electroplate liquid following in coiled tubing inner cavity
Ring；Due to needing the inner cavity of coiled tubing to need to be full of electroplate liquid in plating, so in the end of coiled tubing, that is, it is outer
Check valve is installed in end, by the pressurization of check valve, so that the inner cavity of coiled tubing is full of electroplate liquid, in this way, being conducive to whole
A coiled tubing inner cavity plating is uniform；In addition, it is uniform in order to improve plating, multigroup brush carrier is connected on cathode conductor stick,
It is set on the outer wall of each brush carrier there are three brush mounting hole, and the distribution of 120 degree of interval, is installed in each brush mounting hole
Brush, the end of each brush are contacted with the outer wall of coiled tubing, and the other end of brush is connected to cathode by single-stage conducting wire and leads
Bar preferably realizes the plating of chromium to make the coiled tubing in electroplating pool under the action of uniform electric field.
In addition, job requirement of the present invention also according to coiled tubing, particularly by the outer end of coiled tubing and inner wall and
Outer wall is electroplated, moreover, realizing the plating of outer end by the cooperation of device, it is also necessary to which pipe machine is put in recycling, then to outer end
Coiled tubing within portion carries out complement plated, then, then normally entire coiled tubing is electroplated, entire electroplating technology according to
The particular/special requirement of coiled tubing has carried out emphasis improvement, can realize the outer end of coiled tubing and the electricity of inner and outer wall
Plating, and finally realize the anti-corrosion and hardening of coiled tubing, improve the service life of coiled tubing.
The above, is only the part preferred embodiment of the present invention, and any technical person familiar with the field may profit
Equivalent technical solution is changed or is revised as with the technical solution of above-mentioned elaboration.Therefore, technology according to the present invention
Any simple modification or substitute equivalents that scheme is carried out, belong to the greatest extent the scope of protection of present invention.
Claims (10)
1. a kind of coiled tubing chrome-plating device, it is characterized in that：Including putting pipe machine（1）, electroplating pool（2）, distribution box（3）, pipe collecting machine
（4）, chromium piece group（7）, chromium piece fixator（8）, fast electric folder（9）, rectifier（10）, electroplate liquid efferent duct（11）, conducting wire（13）,
Cathode conductor stick（14）, single-stage conducting wire（15）, brush carrier（16）, brush（17）, electroplate liquid input pipe（20）, electric pump（21）,
Positive torch（22）, fixed link（24）,K2CrO4Solution（26）And supporting rack（31）, the electroplating pool（2）Both sides outer walls difference
Equipped with coiled tubing（23）By through-hole, in electroplating pool（2）Both sides outside be respectively equipped with and put pipe machine（1）And pipe collecting machine（4）,
Putting pipe machine（1）Upper winding coiled tubing（23）, in electroplating pool（2）Inner cavity be installed on supporting rack（31）, support frame as described above
（31）Downside horizontal positioned positive torch is installed（22）, positive torch（22）It is pressed from both sides by multiple fast electrics（9）With it is multiple
Chromium piece fixator（8）Upper fixed chromium piece group（7）Connection；In supporting rack（31）Top horizontally disposed fixed link is installed
（24）, in fixed link（24）On multiple brush carriers are distributed with（16）, brush carrier（16）Pass through brush（17）With mobile company
The outer wall for connecing oil pipe is kept in contact；Support frame as described above（31）Top horizontally disposed cathode conductor stick is installed（14）, pass through
Cathode conductor stick（14）Connect multiple brush carriers（16）；In distribution box（3）Rectifier is inside installed（10）, rectifier（10）'s
Anode passes through conducting wire（13）It is connected to positive torch（22）, cathode passes through conducting wire（13）It is connected to cathode conductor stick（14）；
The electroplating pool（2）Inner cavity side be equipped with electroplate liquid input pipe（20）, electric pump（21）Mounted on electroplate liquid input pipe
（20）On, the electroplate liquid input pipe（20）By putting pipe moving seal（5）It is connected to and puts pipe machine（1）Rotary shaft one end, rotation
The other end of shaft is by putting pipe moving seal（5）Connect the inner end of coiled tubing；In electroplating pool（2）The other side of inner cavity set
There is electroplate liquid efferent duct（11）, pass through closed tube dynamic sealing（6）It is connected to pipe collecting machine（4）Rotary shaft one end, rotary shaft it is another
One end passes through closed tube dynamic sealing（6）Connect the outer end of coiled tubing, wherein put pipe machine（1）And pipe collecting machine（4）Rotary shaft it is equal
For hollow structure.
2. coiled tubing chrome-plating device according to claim 1, it is characterized in that：The electroplating pool（2）Both sides outer walls
Through-hole is equipped with one-way sealing seal（27）, it is used for and coiled tubing（23）Outer wall be sealed, and the electroplating pool（2）'s
The through-hole on right side is equipped with backup seal lid（12）.
3. coiled tubing chrome-plating device according to claim 1, it is characterized in that：It is described to put pipe machine（1）Rotary shaft be
Hollow structure, and one end of hollow rotary shaft is by putting pipe moving seal（5）It is connected to electroplate liquid input pipe（20）End；It is hollow
Rotary shaft the other end by putting pipe moving seal（5）It is connected to coiled tubing（23）Inner end.
4. coiled tubing chrome-plating device according to claim 1, it is characterized in that：The pipe collecting machine（4）Rotary shaft be
Hollow structure, and one end of hollow rotary shaft passes through closed tube dynamic sealing（6）It is connected to electroplate liquid efferent duct（11）End；It is hollow
The other end of rotary shaft pass through closed tube dynamic sealing（6）It is connected to coiled tubing（23）Outer end.
5. coiled tubing chrome-plating device according to claim 3, it is characterized in that：It is described to put pipe moving seal（5）Including dynamic close
Seal pressure cap（5.1）With dynamic sealing carrier（5.2）Composition, dynamic sealing pressure cap is movably connected at the both ends of rotary shaft（5.1）,
Dynamic sealing pressure cap（5.1）With rotary shaft（34）End between formed a groove, the dynamic sealing carrier（5.2）Outer wall set
There are one bulge loops, which coordinates with groove, and the dynamic sealing carrier（5.2）Outside pass through multiple sealing rings and rotary shaft
Inner wall cooperation, the dynamic sealing carrier（5.2）Outer end be connected to electroplate liquid input pipe（20）And coiled tubing（23）'s
Inner end.
6. coiled tubing chrome-plating device according to claim 1, it is characterized in that：The coiled tubing（23）Outer end
Inner cavity is installed by one check valve（28）, the pressure difference for promoting coiled tubing fills entire coiled tubing convenient for electroplate liquid
Inner cavity.
7. coiled tubing chrome-plating device according to claim 1, it is characterized in that：The fixed link（24）On be distributed with three
Brush carrier more than group（16）, the brush carrier（16）To be columnar structured, coiled tubing passes through multigroup columnar structured
Brush carrier（16）, and in each brush carrier（16）Outer wall on set there are three brush mounting hole, and be spaced 120 degree points
Cloth passes through spring in each brush mounting hole（17.1）And boss（17.2）Coordinate brush（17）Connection, each brush
（17）End contacted with the outer wall of coiled tubing, the other end of brush passes through single-stage conducting wire（15）It is connected to cathode conductor stick
（14）.
8. coiled tubing chrome-plating device according to claim 1, it is characterized in that：The cathode conductor stick（14）By exhausted
Edge set（19）With supporting rack（31）Connection, and in cathode conductor stick（14）Both ends pass through fixed pressure cap（18）By conducting wire（13）Gu
Fixed connection.
9. coiled tubing chrome-plating device according to claim 1, it is characterized in that：The electroplating pool（2）Bottom installation
There is spare adding thermal resistance（30）, in electroplate liquid input pipe（20）On be installed on pressure gauge（29）.
10. coiled tubing chrome-plating device according to claim 1, it is characterized in that：The cathode conductor stick（14）Upper company
The multigroup brush carrier connect（16）Respectively with positive torch（22）Multigroup chromium piece group of upper connection（7）It corresponds, is formed uniform
Electric field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810422271.4A CN108716014A (en) | 2018-05-04 | 2018-05-04 | A kind of coiled tubing chrome-plating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810422271.4A CN108716014A (en) | 2018-05-04 | 2018-05-04 | A kind of coiled tubing chrome-plating device |
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| Publication Number | Publication Date |
|---|---|
| CN108716014A true CN108716014A (en) | 2018-10-30 |
Family
ID=63899755
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|---|---|---|---|
| CN201810422271.4A Pending CN108716014A (en) | 2018-05-04 | 2018-05-04 | A kind of coiled tubing chrome-plating device |
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Effective date of registration: 20190918 Address after: 257091 No. 18 Dongsi Road, Dongying Economic and Technological Development Zone, Shandong Province Applicant after: Cheng Qiang Address before: 257091 No. three, 69 East Road, Dongying District, Shandong, Dongying Applicant before: Xu Zifei |
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