CN109468679A - A kind of band large-scale metal pipeline electrochemical polish apparatus and polishing method - Google Patents
A kind of band large-scale metal pipeline electrochemical polish apparatus and polishing method Download PDFInfo
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- CN109468679A CN109468679A CN201910008353.9A CN201910008353A CN109468679A CN 109468679 A CN109468679 A CN 109468679A CN 201910008353 A CN201910008353 A CN 201910008353A CN 109468679 A CN109468679 A CN 109468679A
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- pipe
- support
- support tube
- sealing ring
- spray head
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/16—Polishing
- C25F3/22—Polishing of heavy metals
- C25F3/24—Polishing of heavy metals of iron or steel
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
Abstract
The invention discloses a kind of band large-scale metal pipeline electrochemical polish apparatus and polishing methods, mainly include support tube, bearing, rotation pipe, sealing ring, electrolyte injecting-unit, cleaning solution injecting-unit, dry gas injecting-unit, motor component, first liquid supply pipe, the second liquid supply pipe, dry gas air supply pipe, devil liquor recovery pipe, power wheel component supports wheel component, brush.High-speed rotating electrolyte injecting-unit is to metal pipe internal wall jet electrolytic liquid, when electric current flows through spray head, electrolyte and metallic conduit, metallic conduit is dissolved as anode, cleaning solution injecting-unit starts the cleaning processing polished surface, the surface that cleaning solution cleaned is dried in dry gas injecting-unit, and devil liquor recovery pipe is recycled electrolyte.Burnishing device of the invention is very suitable for the polishing treatment on metal pipe internal wall surface that quantity is more and is relatively large in diameter.
Description
Technical field
The invention belongs to metal pipe internal wall surface polishing technique and apparatus fields, are related to a kind of metallic conduit electrochemistry throwing
A kind of electro-optical device, and in particular to device and polishing method that high efficiency electrochemical polish can be carried out to band large-scale metal inner wall of the pipe.
Background technique
With a large amount of developments of China's infrastructure project, the metallic conduit demand of different bores and length is constantly climbed
It rises, especially comprehensive acceleration of China's oil NG Pipeline Construction project promotes in recent years, the demand to band large-scale metal pipeline
Amount sharply increases.The slickness of inner wall of the pipe is particularly significant, this is because the roughness of inner wall of the pipe is larger not only to reduce stream
The efficiency of transmission of body is also easy to cause adventitious deposit in inner wall of the pipe, hinders the flowing of fluid and accelerates fluid to pipeline
Corrosion, therefore, the fluid transmission pipe of important events requires to carry out reduction rough surface to inner wall of the pipe before use of dispatching from the factory
The processing of degree, the means of most common of them are exactly polishing treatment.Currently, being processed by shot blasting in industry to metallic conduit main
Means have blasting treatment, bead, abrasive waterjet polishing processing, and the above method is relatively more suitable for negligible amounts and diameter
Lesser metallic conduit is processed by shot blasting, although having developed in actual industrial production more and straight for batch
The automatic inner circle polisher of the biggish metallic conduit of diameter, but above-mentioned polishing process needs bulky steel pipe rotary come in realizing
The automatic polishing of wall, belongs to mechanical polishing method, therefore the problem of this kind of method generally existing inefficiency.In China to big
Under the background that type oil and gas pipeline demand sharply increases, a kind of efficient polishing suitable for band large-scale metal pipeline is developed
Device is extremely urgent.
Summary of the invention
In order to solve the technical problems existing in the prior art, the object of the present invention is to provide a kind of band large-scale metal pipeline electricity
Chemical polishing device and polishing method.The burnishing device and polishing method have high-efficient, flexible high, the simple advantage of structure.
In order to solve the above technical problems, the technical solution of the present invention is as follows:
A kind of band large-scale metal pipeline electrochemical polish apparatus, including support tube, rotation pipe, electrolyte injecting-unit, motor
Component and moving device, wherein the length of the rotation pipe is less than the length of support tube, and the both ends for rotating pipe pass through two respectively
Bearing fitting is mounted on the outside of support tube, rotates and is provided with the first annular recess and the second annular recess on the inner wall of pipe, the
It is provided with the first sealing ring in one annular recess, the second sealing ring, the first sealing ring and second are provided in the second annular recess
Gap between rotation pipe and support tube is surrounded the first closed chamber by sealing ring；
The position between the first sealing ring and the second sealing ring of the rotation pipe is provided at least one through-hole, the
One end of one connecting tube is mounted on the through-hole, and the other end of the first connecting tube installs first spray head；Support tube is located at the
Position between one sealing ring and the second sealing ring is provided with a through-hole, and one end of the first liquid supply pipe is mounted on the through-hole
On, the other end of the first liquid supply pipe extends support tube by the internal pipeline of support tube, and connect with the first solution feed pump；
The moving device includes power wheel component and support wheel component, and the quantity of power wheel component is 1, supports wheel portion
The quantity of part is 2, and power wheel component and support wheel component form triangular support structure, and power wheel component and support wheel portion
Part is separately mounted to the both ends of support tube；
Motor component is mounted on support wheel, and the friction pulley on motor component is contacted with rotation pipe；
The rotation pipe is made of conductive material, is connect by brush with power cathode.
Electrolyte enters the first closed chamber by the first liquid supply pipe, and then is sprayed to by the first support tube and first spray head
Metal pipe internal wall to be processed.Electric current passes through the second conducting wire → metallic conduit → electrolyte → the from External electrolytic power anode
One spray head → the first connecting tube → rotation pipe → brush → first conducting wire flows back to power cathode, when between first spray head and metallic conduit
When having electric current to flow through, metallic conduit is dissolved as anode.First motor is driven by friction pulley rotates pipe high speed rotation, and first
Spray head is along the circumferential high speed rotation of metallic conduit, and metal pipe internal wall surrounding is just by electrochemical polish, when power wheel drives branch
When the axial-movement along metallic conduit is taken turns in support, the inside of entire metallic conduit can be all polished.Substantially increase band large-scale metal
The polishing efficiency of inner wall of the pipe.
Preferably, the quantity of the first connecting tube is 2-6, and the first connecting tube is radially distributed along the radial direction of rotation pipe.
Preferably, the inner wall of the rotation pipe is additionally provided with third annular recess, is provided with third in third annular recess
Gap between rotation pipe and support tube is surrounded the second closed chamber by sealing ring, third sealing ring and the second sealing ring, and second
At least one second connecting tube is connected on the indoor rotation pipe of closing chamber, the other end of the second connecting tube connects second spray head；
The second liquid supply pipe, the internal pipeline that the other end of the second liquid supply pipe passes through support tube are connected on the indoor support tube of second closing chamber
Extend support tube, and is connect with the second solution feed pump.
Second solution feed pump is connect with clear water source, conveys ejected wash water to the second closed chamber by the second liquid supply pipe, and pass through
Ejected wash water is delivered to second spray head by the second connecting tube, and ejected wash water is sprayed to the metal pipe internal wall after polishing by second spray head, right
Electrolyte in metal pipe internal wall is cleaned, and the excessive erosion of metallic conduit is prevented, while being guaranteed after polishing in metallic conduit
The cleaning of wall.
It is further preferred that the quantity of second connecting tube is 2-6, the second connecting tube is in spoke along the radial direction of rotation pipe
Penetrate shape distribution.
Preferably, the inner wall of the rotation pipe is additionally provided with fourth annular groove, is provided with the 4th in fourth annular groove
Gap between rotation pipe and support tube is surrounded third closed chamber, third by sealing ring, the 4th sealing ring and third sealing ring
At least one third connecting tube is connected on the indoor rotation pipe of closing chamber, the other end of third connecting tube connects third spray head；
Air supply pipe is connected on the indoor support tube of third closing chamber, the other end of air supply pipe extends branch by the internal pipeline of support tube
Stay tube, and connect with air feed pump.
Air feed pump can provide dry air to third spray head, and place is dried to the metal inner surface after cleaning in dry air
Reason, guarantees the timely drying of metal inner surface.
It is further preferred that the quantity of the third connecting tube is 2-6, third connecting tube is in spoke along the radial direction of rotation pipe
Penetrate shape distribution.
Preferably, the power wheel component includes the first support frame, the second motor and power wheel, one end of the first support frame
It being fixed on support tube, the other end of the first support frame installs the power wheel, and the second motor is mounted on the first support frame, the
Two motors are connect by transmission mechanism with power wheel.
It is further preferred that the first elevating mechanism is provided on first support frame, the liter or drop of the first elevating mechanism,
Increase or decrease the length of the first support frame.
By the first elevating mechanism movement can to support tube axis height be adjusted, to be adapted to different-diameter
The inner wall of band large-scale metal steel pipe polishes, and the burnishing device is made to have better adaptability.
Preferably, the support wheel component includes the second support frame and support wheel, and one end of the second support frame is fixed on branch
On stay tube, the other end installs the support wheel.
It is further preferred that the second elevating mechanism is provided on second support frame, the liter or drop of the second elevating mechanism,
Increase or decrease the length of the second support frame.
By the second elevating mechanism movement can to support tube axis height be adjusted, to be adapted to different-diameter
The inner wall of band large-scale metal steel pipe polishes, and the burnishing device is made to have better adaptability.
Still more preferably, first elevating mechanism and the second elevating mechanism are hydraulicefficiency elevation structure.
Preferably, two support wheel components are located on the same cross section of support tube, and angle between the two be 45 °-
90°。
A kind of band large-scale metal pipeline electrochemical polishing method, includes the following steps:
1) diameter of polished metallic conduit, the height of motivation of adjustment wheel component and support wheel component, so that support are directed to
The axis of pipe is overlapped with the axis of polished metallic conduit, and the gap of first spray head and metal pipe internal wall is 1-5mm, the second spray
The gap of head and third spray head and metal pipe internal wall is 1-10mm；
2) anode and cathode that metallic conduit and brush pass through the second conducting wire and the first conducting wire and power supply respectively are connected；
3) for rotation pipe in rotary course, electrolyte is delivered to first spray head by the first solution feed pump, and passes through first spray head
Metal pipe internal wall is sprayed to, electrochemical polish is carried out to metal pipe internal wall；Cleaning solution is delivered to the second spray by the second solution feed pump
Head, and metallic conduit is sprayed to by second spray head, the metallic conduit after polishing is cleaned；Air feed pump conveys dry air
To third spray head, and metallic conduit is sprayed to by third spray head, the metallic conduit after cleaning is dried.
Preferably, in step 2), the voltage of power supply is 50-500V, electric current 0.1-10A.
Preferably, the polishing method further includes the step recycled to electrolyte waste liquid after polishing and cleaning solution waste liquid
Suddenly.
The beneficial effects of the present invention are:
(1) high-efficient.The present invention installs several electrolysis liquid jetting devices in the surrounding of rotation pipe, and electrolyte sprays
Device can be along the inner wall high speed rotation of metallic conduit, and for spray head as cathode, metallic conduit sprays electricity between the two poles of the earth as anode
Liquid is solved, when a current passes through, metal pipe internal wall surface can be dissolved, therefore polishing efficiency of the invention is than traditional machine
Tool formula polishes high-efficient.
(2) flexible high.The present invention is suitably adapted for the polishing of different-diameter large-scale steel pipe, can be to branch by adjusting elevating mechanism
The axis height of stay tube is adjusted, and furthermore selects the connecting tube of appropriate length that can polish to the metallic conduit of different-diameter
Processing.
(3) structure is simple.Since electrochemical polish belongs to contactless surface treatment, polished compared to mechanical, it
There is no a mechanicals efforts, thus the mechanical structure of device can do it is simpler.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the schematic diagram of cross section A-A in Fig. 1.
Fig. 3 is the schematic diagram of section B-B in Fig. 1.
In figure: 1- metallic conduit, 2- support tube, 3- bearing, 4- rotation pipe, the first sealing ring of 5-, the second sealing ring of 6-, 7-
Third sealing ring, the 4th sealing ring of 8-, the first closed chamber of 9-, the second closed chamber of 10-, 11- third closed chamber, 12- electricity
It solves liquid injecting-unit (1201- first spray head, the first connecting tube of 1202-), 13- cleaning solution injecting-unit (1301- second spray head,
The second connecting tube of 1302-), 14- dry gas injecting-unit (1401- third spray head, 1402- third connecting tube), 15- motor section
Part (1501- friction pulley, 1502- first motor), the first liquid supply pipe of 16-, the second liquid supply pipe of 17-, 18- air supply pipe, 19- waste liquid return
Closed tube, 20- power wheel component (the first support frame of 2001-, the first elevating mechanism of 2002-, the second motor of 2003-, 2004- power
Wheel), 21- supports wheel component (the second support frame of 2101-, the second elevating mechanism of 2102-, 2103- support wheel), 22- brush, 23-
First conducting wire, the second conducting wire of 24-.
Specific embodiment
It is noted that described further below be all exemplary, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Specific embodiment 1: illustrating embodiments of the present invention in conjunction with FIG. 1 to FIG. 3, the inventive system comprises supports
Pipe 2, bearing 3 rotate pipe 4, the first sealing ring 5, the second sealing ring 6, third sealing ring 7, the 4th sealing ring 8, electrolyte injection
Component 12, cleaning solution injecting-unit 13, dry gas injecting-unit 14, motor component 15, the first liquid supply pipe 16, the second liquid supply pipe
17, air supply pipe 18, devil liquor recovery pipe 19, power wheel component 20, support wheel component 21, brush 22.
Electrolyte injecting-unit 12 is made of first spray head 1201 and the first connecting tube 1202；Cleaning solution injecting-unit 13 by
Second spray head 1301 and the second connecting tube 1302 are constituted；Dry gas injecting-unit 14 is by third spray head 1401 and third connecting tube
1402 are constituted；Motor component 15 is made of friction pulley 1501 and first motor 1502；Power wheel component 20 is by the first support frame
2001, the first elevating mechanism 2002, the second power motor 2003 and power wheel 2004 are constituted；Support wheel component 21 by the second support
Frame 2101, the second elevating mechanism 2102 and support wheel 2104 are constituted.
Power wheel component 20 is mounted on one end of support tube 2, as shown in figure 3, two sets of support wheel components 21 are symmetrically mounted on
The other end of support tube 2 supports as shown in Fig. 2, three wheels form stable bikini to support tube 2；It rotates pipe 4 and passes through two
Set bearing 3 is installed on support tube 2；First sealing ring 5, the second sealing ring 6, third sealing ring 7, the 4th sealing ring 8 are pacified respectively
In four seal grooves loaded on rotation 4 inner wall of pipe；Friction pulley 1501 is installed on the output shaft of first motor 1502；Motor section
Part 15 is installed on support tube 2, and is pressed into contact with friction pulley 1501 with 2 outer surface of support tube；It is electrolyte injecting-unit 12, clear
Washing lotion injecting-unit 13 and dry gas injecting-unit 14 are respectively arranged on the tapped through hole of rotation pipe 4；First liquid supply pipe 16,
Second liquid supply pipe 17, dry gas air supply pipe 18 are respectively arranged in 2 interior bone of support tube；22 one end of brush is fixed on support
On pipe 2, the other end is pressed on rotation 4 outer surface of pipe.
Rotation pipe 4 is made for metal material, and inwall processing has four circle seal grooves, installs four sealings respectively
Circle, to form first annular seal space 9, the second seal chamber 10 and third seal chamber 11 with support tube 2.
Several tapped through holes are processed in the surrounding of rotation the formed seal chamber 9 of pipe 4, and are installed on the tapped through hole
Several electrolyte injecting-units 12, so that the first connecting tube 1202 is connected to seal chamber 9；Equally, it is formed in rotation pipe 4 close
The surrounding of envelope chamber 10 processes several tapped through holes, and several cleaning solution injecting-units 13 are installed on the tapped through hole,
So that the second connecting tube 1302 is connected to seal chamber 10；Equally, several are processed in the surrounding of rotation the formed seal chamber 11 of pipe 4
Tapped through hole, and several dry gas injecting-units 14 are installed on the tapped through hole, so that support tube 1402 and sealing
Chamber 11 is connected to.
A through-hole is processed in the surrounding of the formed seal chamber 9 of support tube 2, and the first liquid supply pipe is installed on the through-hole
16, so that the first liquid supply pipe 16 is connected to seal chamber 9；Equally, one is processed in the surrounding of the formed seal chamber 10 of support tube 2 to lead to
Hole, and the second liquid supply pipe 17 is installed on the through-hole, so that the second liquid supply pipe 17 is connected to seal chamber 10；Equally, it is supporting
The surrounding of the formed seal chamber 11 of pipe 2 processes a through-hole, and the air supply pipe 18 of dry gas is installed on the through-hole, so that
Dry gas air supply pipe 18 is connected to seal chamber 11.
First spray head 1201 and the first connecting tube 1202 are made for metal material, so that brush 22 and the first spray
First 1201 conduct；Power wheel 2004 and support wheel 2103 are made for insulating materials, to guarantee whole device and metal
The contact portion of pipeline 1 is electrically insulated.
Specific embodiment 2: the band large-scale metal pipeline of wanted polishing treatment is steel pipe, rotates and install two on pipe 4 symmetrically
12, two cleaning solution injecting-units 13 being arranged symmetrically of electrolyte injecting-unit of arrangement and two dry gas being arranged symmetrically
Injecting-unit 14, rotation pipe 4 are process using common steel tube, and lifting structure 2002 and lifting structure 2102 are hydraulic elevator
Structure, support wheel 2103 and power wheel 2004 are process using common plastics, and friction pulley 1501 is made for rubber material, with
Rotation 4 superficial compaction of pipe can produce frictional force and rotation pipe 4 driven to rotate, other are the same as specific embodiment one.
Specific embodiment 3: the present invention realizes the key step of band large-scale metal pipeline electrochemical polish are as follows:
Step 1: the first elevating mechanism 2002 of motivation of adjustment wheel component 20 and the second elevating mechanism of support wheel component 21
2102, so that the axis of support tube 2 is overlapped with the axis of metallic conduit 1；
Step 2: selecting the first connecting tube 1202, the second connecting tube 1302 and third connecting tube 1402 of appropriate length, protects
Demonstrate,proving the gap between first spray head 1201 and metallic conduit 1 is 1~5mm, guarantee second spray head 1301 and third spray head 1401 with
Gap between metallic conduit 1 is 1~10mm；
Step 3: the air supply pipe 18 of devil liquor recovery pipe 19, the first liquid supply pipe 16, the second liquid supply pipe 17 and dry gas is divided
It is not dry with the drawing liquid pump of external devil liquor recovery slot, the solution feed pump of External electrolytic liquid bath, the solution feed pump of exterior washings liquid bath and outside
Dry gas pressure pump connection；
Step 4: metallic conduit 1 and brush 22 are passed through into the second conducting wire 24 and the first conducting wire 23 and electrolysis power respectively
Anode is connected with cathode, and used electrolysis power is the pulse power or DC power supply, and voltage is 50V~500V, and electric current is
0.1A~10A；
Step 5: start solution feed pump (the used electrolysis of the drawing liquid pump, External electrolytic liquid bath in external devil liquor recovery slot
Liquid is sodium chloride), the solution feed pump of exterior washings liquid bath (used cleaning solution is industrial pure water) and outside dry gas
Pressure pump (used dry gas is dried air), opens first motor 1502, the electrolysis electricity in opening steps four
Source starts the second motor 2003.
Electrolyte enters first annular seal space room 9 by the first liquid supply pipe 16, and then passes through the first connecting tube 1202 and first
Spray head 1201 sprays to 1 inner wall of metallic conduit, and when having electric current to flow through between first spray head 1201 and metallic conduit 1, metallic conduit 1 is made
It is dissolved for anode, rotation pipe 4 makes rotating motion under the drive of friction pulley 1501, and first spray head 1201 is along 1 axis of metallic conduit
Line high speed rotation, 1 inner wall surrounding of metallic conduit is just by electrochemical polish, when power wheel 2004 is transported along the axis of metallic conduit 1
When dynamic, the inside of entire metallic conduit 1 can be all polished, and furthermore cleaning solution injecting-unit 13 is clear to the injection of 1 inner wall of metallic conduit
Washing lotion can start the cleaning processing polished surface, and dry gas injecting-unit 14 is to 1 jet drying gas of metallic conduit
The surface that cleaning solution cleaned can be dried, devil liquor recovery pipe 19 can recycle electrolyte and cleaning solution to be located again
Reason.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of band large-scale metal pipeline electrochemical polish apparatus, it is characterised in that: including support tube, rotation pipe, electrolyte injection
Component, motor component and moving device, wherein the length of the rotation pipe is less than the length of support tube, rotates the both ends point of pipe
The outside of support tube is not mounted on by two bearing fittings, rotates and is provided with the first annular recess and the second ring on the inner wall of pipe
Shape groove is provided with the first sealing ring in the first annular recess, and the second sealing ring, the first sealing are provided in the second annular recess
Rotation is managed the gap between support tube and surrounds the first closed chamber by circle and the second sealing ring；
The position between the first sealing ring and the second sealing ring of the rotation pipe is provided at least one through-hole, and first connects
One end of adapter tube is mounted on the through-hole, and the other end of the first connecting tube installs first spray head；Being located at for support tube is first close
Position between seal and the second sealing ring is provided with a through-hole, and one end of the first liquid supply pipe is mounted on the through-hole, the
The other end of one liquid supply pipe extends support tube by the internal pipeline of support tube, and connect with the first solution feed pump；
The moving device includes power wheel component and support wheel component, and the quantity of power wheel component is 1, supports wheel component
Quantity is 2, and power wheel component and support wheel component form triangular support structure, and power wheel component and support wheel component point
It is not mounted on the both ends of support tube；
Motor component is mounted on support wheel, and the friction pulley on motor component is contacted with rotation pipe；
The rotation pipe is made of conductive material, is connect by brush with power cathode.
2. burnishing device according to claim 1, it is characterised in that: the quantity of the first connecting tube is 2-6, the first connection
Pipe is radially distributed along the radial direction of rotation pipe.
3. burnishing device according to claim 1, it is characterised in that: the inner wall of the rotation pipe is additionally provided with third ring-type
Groove, be provided in third annular recess third sealing ring, third sealing ring and the second sealing ring will rotation pipe and support tube it
Between gap surround the second closed chamber, at least one second connecting tube is connected on the indoor rotation pipe of the second closing chamber,
The other end of two connecting tubes connects second spray head；The second liquid supply pipe, the second feed flow are connected on the indoor support tube of second closing chamber
The other end of pipe extends support tube by the internal pipeline of support tube, and connect with the second solution feed pump；
Preferably, the quantity of second connecting tube is 2-6, and the second connecting tube is radially distributed along the radial direction of rotation pipe.
4. burnishing device according to claim 1, it is characterised in that: the inner wall of the rotation pipe is additionally provided with fourth annular
Groove, be provided in fourth annular groove the 4th sealing ring, the 4th sealing ring and third sealing ring will rotation pipe and support tube it
Between gap surround third closed chamber, at least one third connecting tube is connected on the indoor rotation pipe of third closing chamber,
The other end of three connecting tubes connects third spray head；Connect air supply pipe on the indoor support tube of second closing chamber, air supply pipe it is another
Support tube is extended by the internal pipeline of support tube in end, and connect with air feed pump.
Preferably, the quantity of the third connecting tube is 2-6, and third connecting tube is radially distributed along the radial direction of rotation pipe.
5. burnishing device according to claim 1, it is characterised in that: the power wheel component includes the first support frame, the
One end of two motors and power wheel, the first support frame is fixed on support tube, and the other end of the first support frame installs the power
Wheel, the second motor are mounted on the first support frame, and the second motor is connect by transmission mechanism with power wheel；
Preferably, the first elevating mechanism is provided on first support frame, the liter or drop of the first elevating mechanism make the first support
The length of frame increases or decreases.
6. burnishing device according to claim 1, it is characterised in that: the support wheel component includes the second support frame and branch
Support wheel, one end of the second support frame are fixed on support tube, and the other end installs the support wheel；
Preferably, the second elevating mechanism is provided on second support frame, the liter or drop of the second elevating mechanism make the second support
The length of frame increases or decreases.
7. burnishing device according to claim 1, it is characterised in that: first elevating mechanism and the second elevating mechanism are
Hydraulicefficiency elevation structure.
8. burnishing device according to claim 1, it is characterised in that: two support wheel components are located at the same cross of support tube
Angle on section, and between the two is 45 ° -90 °.
9. a kind of band large-scale metal pipeline electrochemical polishing method, characterized by the following steps:
1) it is directed to the diameter of polished metallic conduit, motivation of adjustment wheel component and the height for supporting wheel component, so that support tube
Axis is overlapped with the axis of polished metallic conduit, and the gap of first spray head and metal pipe internal wall is 1-5mm, second spray head and
The gap of third spray head and metal pipe internal wall is 1-10mm；
2) metallic conduit and brush are connect with the anode and cathode of power supply respectively；
3) for rotation pipe in rotary course, electrolyte is delivered to first spray head by the first solution feed pump, and is sprayed to by first spray head
Metal pipe internal wall carries out electrochemical polish to metal pipe internal wall；Cleaning solution is delivered to second spray head by the second solution feed pump, and
Metallic conduit is sprayed to by second spray head, the metallic conduit after polishing is cleaned；Dry air is delivered to by air feed pump
Three spray heads, and metallic conduit is sprayed to by third spray head, the metallic conduit after cleaning is dried.
10. polishing method according to claim 9, it is characterised in that: further include to electrolyte waste liquid and cleaning after polishing
The step of liquid waste liquid is recycled.
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| CN201910008353.9A CN109468679B (en) | 2019-01-04 | 2019-01-04 | A kind of band large-scale metal pipeline electrochemical polish apparatus and polishing method |
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| CN201910008353.9A CN109468679B (en) | 2019-01-04 | 2019-01-04 | A kind of band large-scale metal pipeline electrochemical polish apparatus and polishing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110592656A (en) * | 2019-09-17 | 2019-12-20 | 陈烁 | Rust removing device for hardware |
| CN113426770A (en) * | 2021-07-30 | 2021-09-24 | 西安热工研究院有限公司 | Treatment device and method for flue gas component absorption tube |
| CN115122227A (en) * | 2022-06-20 | 2022-09-30 | 沈阳理工大学 | Movable plasma electrochemical polishing device for inner surface of special-shaped section spiral deep hole of metal pipe part |
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| CN2418987Y (en) * | 2000-04-25 | 2001-02-14 | 西北轻工业学院 | Electrochamically polishing device for internal surface of stainless steel pipe |
| CN106862682A (en) * | 2015-12-11 | 2017-06-20 | 田佳聪 | Electrochemical polish lathe |
| CN106853450A (en) * | 2016-12-06 | 2017-06-16 | 德阳瀚枫科技有限公司 | A kind of petroleum pipeline inner-wall cleaner |
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| CN110592656A (en) * | 2019-09-17 | 2019-12-20 | 陈烁 | Rust removing device for hardware |
| CN110592656B (en) * | 2019-09-17 | 2021-05-18 | 陈烁 | Rust removing device for hardware |
| CN110592656B8 (en) * | 2019-09-17 | 2021-06-11 | 义乌市择木工业产品设计有限公司 | Rust removing device for hardware |
| CN113426770A (en) * | 2021-07-30 | 2021-09-24 | 西安热工研究院有限公司 | Treatment device and method for flue gas component absorption tube |
| CN115122227A (en) * | 2022-06-20 | 2022-09-30 | 沈阳理工大学 | Movable plasma electrochemical polishing device for inner surface of special-shaped section spiral deep hole of metal pipe part |
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