CN108588619B - Direct-current double-wire arc spraying device and method - Google Patents
Direct-current double-wire arc spraying device and method Download PDFInfo
- Publication number
- CN108588619B CN108588619B CN201810335063.0A CN201810335063A CN108588619B CN 108588619 B CN108588619 B CN 108588619B CN 201810335063 A CN201810335063 A CN 201810335063A CN 108588619 B CN108588619 B CN 108588619B
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- direct current
- welding machine
- wire
- central controller
- current welding
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- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000010284 wire arc spraying Methods 0.000 title claims description 6
- 238000003466 welding Methods 0.000 claims abstract description 32
- 238000010891 electric arc Methods 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002923 metal particle Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000005260 corrosion Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims abstract description 6
- 238000013500 data storage Methods 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 229910052725 zinc Inorganic materials 0.000 abstract description 3
- 239000011701 zinc Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/131—Wire arc spraying
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
- Arc Welding In General (AREA)
Abstract
The invention relates to a direct current double-wire electric arc spraying device and a method, which obviously utilize electric arc of a direct current welding machine (rectifier) to melt an anticorrosive metal wire material (such as a zinc wire), and then assist high-pressure gas generated by an air compressor to spray the melted metal particles on the surface of the pipe to form a zinc particle protective film. The invention adopts the double-wire electric arc spraying technology and has the advantages of high automation degree, uniform and fine coating, long corrosion resistance service life and the like.
Description
Technical Field
The invention relates to the technical field of pipeline corrosion prevention, in particular to a direct-current double-line electric arc spraying device and a direct-current double-line electric arc spraying method.
Background
The traditional pipeline corrosion prevention is mostly in a brushing and electroplating mode, a coating is brushed and electroplated on the surface of a pipe, air is isolated to prevent the pipeline from being oxidized, and the service life is prolonged. The disadvantage of this method is the short service life and the tendency of the coating to spot over time.
Disclosure of Invention
The invention provides a direct current double-wire electric arc spraying device and a direct current double-wire electric arc spraying method aiming at the technical problems in the prior art.
The technical scheme for solving the technical problems is as follows:
on one hand, the invention provides a direct-current double-wire electric arc spraying device which comprises a roller jig frame (1) capable of reciprocating and linear motion, a rotary roller bracket (2), a plurality of rotary rollers (3), a direct-current welding machine (4), an air compressor (5) and a wire feeding mechanism (6); the rotary roller support (2) is arranged on the roller jig frame (1), an arc-shaped groove for placing a pipe is formed in the rotary roller support (2) along the movement direction of the roller jig frame (1), and the plurality of rotary rollers (3) are circumferentially arranged along the inner wall of the arc-shaped groove, abut against the outer surface of the placed pipe and are used for driving the pipe to axially rotate for 360 degrees; direct current welding machine (4), air compressor (5), thread feeding mechanism (6) all set up one side of gyro wheel bed-jig (1), direct current welding machine (4) include a rectifier and two respectively with the contact tube that the positive negative pole of rectifier is connected, thread feeding mechanism (6) are connected with two anticorrosive metal silk materials, be used for respectively to send a silk in the contact tube, air compressor (5) set up between two contact tubes, just the nozzle of air compressor (5) is towards tubular product spraying position.
Further, the device also comprises a central controller (7), wherein the central controller (7) is respectively electrically connected with the driving device of the roller jig frame (1), the driving device of the rotating roller (3), the direct current welding machine (4), the air compressor (5) and the wire feeding mechanism (6).
Furthermore, the positive and negative electrode output ends of the direct current welding machine (4) are provided with electric quantity sensors (8), and the electric quantity sensors (8) are electrically connected with the central controller (7).
Further, the device also comprises a data storage module (9) electrically connected with the central controller (7), wherein an expert database is stored in the data storage module (9).
On the other hand, the invention also provides a direct current double-wire electric arc spraying method, which comprises the following steps:
erecting the pipe on a rotary roller bracket, and starting a driving device of a roller jig frame and a driving device of a rotary roller;
starting an air compressor, and simultaneously starting a wire feeding mechanism and a direct current welding machine, wherein the wire feeding mechanism conveys anti-corrosion metal wires into a conductive nozzle of the direct current welding machine according to an expert data value set by a central controller, and the direct current welding machine outputs a preset voltage according to the expert data value set by the central controller;
the tip of the anticorrosive metal wire is contacted with the electric arc to be melted, and the air compressor generates high-pressure gas to spray the melted metal particles to the surface of the pipe;
and according to the size of the metal particles and the arc starting voltage of the direct current welding machine acquired by the electric quantity sensor, the central controller adjusts the wire feeding speed of the wire feeding mechanism.
Further, if the thickness of the anticorrosive coating of the pipe does not reach the specified thickness, the central controller controls the driving device of the roller jig frame to drive the roller jig frame to do linear reciprocating motion.
The invention has the beneficial effects that: the invention utilizes the electric arc of a direct current welding machine (rectifier) to melt an anticorrosive metal wire material (such as a zinc wire), and then assists high-pressure gas generated by an air compressor to spray the melted metal particles on the surface of the pipe to form a zinc particle protective film. The invention adopts the double-wire electric arc spraying technology and has the advantages of high automation degree, uniform and fine coating, long corrosion resistance service life and the like.
Drawings
Fig. 1 and fig. 2 are schematic structural views of a dc double-line arc spraying device according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a roller jig frame, 2, a rotary roller support, 3, a rotary roller, 4, a direct current welding machine, 5, an air compressor, 6, a wire feeding mechanism, 7, a central controller, 8, an electric quantity sensor, 9 and a data storage module.
Detailed Description
The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
As shown in fig. 1 and fig. 2, in one aspect, the present invention provides a dc double-line arc spraying device, which comprises a roller jig (1) capable of reciprocating and linear motion, a rotating roller bracket (2), a plurality of rotating rollers (3), a dc welding machine (4), an air compressor (5), and a wire feeding mechanism (6); the rotary roller support (2) is arranged on the roller jig frame (1), an arc-shaped groove for placing a pipe is formed in the rotary roller support (2) along the movement direction of the roller jig frame (1), and the plurality of rotary rollers (3) are circumferentially arranged along the inner wall of the arc-shaped groove, abut against the outer surface of the placed pipe and are used for driving the pipe to axially rotate for 360 degrees; direct current welding machine (4), air compressor (5), thread feeding mechanism (6) all set up one side of gyro wheel bed-jig (1), direct current welding machine (4) include a rectifier and two respectively with the contact tube that the positive negative pole of rectifier is connected, thread feeding mechanism (6) are connected with two anticorrosive metal silk materials, be used for respectively to send a silk in the contact tube, air compressor (5) set up between two contact tubes, just the nozzle of air compressor (5) is towards tubular product spraying position.
Further, the device also comprises a central controller (7), wherein the central controller (7) is respectively electrically connected with the driving device of the roller jig frame (1), the driving device of the rotating roller (3), the direct current welding machine (4), the air compressor (5) and the wire feeding mechanism (6).
Furthermore, the positive and negative electrode output ends of the direct current welding machine (4) are provided with electric quantity sensors (8), and the electric quantity sensors (8) are electrically connected with the central controller (7).
Further, the device also comprises a data storage module (9) electrically connected with the central controller (7), wherein an expert database is stored in the data storage module (9).
On the other hand, the invention also provides a direct current double-wire electric arc spraying method, which comprises the following steps:
erecting the pipe on a rotary roller bracket, and starting a driving device of a roller jig frame and a driving device of a rotary roller;
starting an air compressor, and simultaneously starting a wire feeding mechanism and a direct current welding machine, wherein the wire feeding mechanism conveys anti-corrosion metal wires into a conductive nozzle of the direct current welding machine according to an expert data value set by a central controller, and the direct current welding machine outputs a preset voltage according to the expert data value set by the central controller;
the tip of the anticorrosive metal wire is contacted with the electric arc to be melted, and the air compressor generates high-pressure gas to spray the melted metal particles to the surface of the pipe;
and according to the size of the metal particles and the arc starting voltage of the direct current welding machine acquired by the electric quantity sensor, the central controller adjusts the wire feeding speed of the wire feeding mechanism.
Further, if the thickness of the anticorrosive coating of the pipe does not reach the specified thickness, the central controller controls the driving device of the roller jig frame to drive the roller jig frame to do linear reciprocating motion.
The invention has the beneficial effects that: the invention utilizes the electric arc of a direct current welding machine (rectifier) to melt an anticorrosive metal wire material (such as a zinc wire), and then assists high-pressure gas generated by an air compressor to spray the melted metal particles on the surface of the pipe to form a zinc particle protective film. The invention adopts the double-wire electric arc spraying technology and has the advantages of high automation degree, uniform and fine coating, long corrosion resistance service life and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A direct current double-line electric arc spraying device is characterized by comprising a roller jig frame (1) capable of reciprocating and linear motion, a rotary roller bracket (2), a plurality of rotary rollers (3), a direct current welding machine (4), an air compressor (5) and a wire feeding mechanism (6); the rotary roller support (2) is arranged on the roller jig frame (1), an arc-shaped groove for placing a pipe is formed in the rotary roller support (2) along the movement direction of the roller jig frame (1), and the plurality of rotary rollers (3) are circumferentially arranged along the inner wall of the arc-shaped groove, abut against the outer surface of the placed pipe and are used for driving the pipe to axially rotate for 360 degrees; the direct current welding machine (4), the air compressor (5) and the wire feeding mechanism (6) are all arranged on one side of the roller jig frame (1), the direct current welding machine (4) comprises a rectifier and two conductive nozzles which are respectively connected with the anode and the cathode of the rectifier, the wire feeding mechanism (6) is connected with two anti-corrosion metal wires and used for respectively feeding wires into the conductive nozzles, the air compressor (5) is arranged between the two conductive nozzles, and the nozzle of the air compressor (5) faces the pipe spraying position;
the spraying device also comprises a central controller (7), wherein the central controller (7) is respectively electrically connected with a driving device of the roller jig frame (1), a driving device of the rotating roller (3), the direct current welding machine (4), the air compressor (5) and the wire feeding mechanism (6);
the positive and negative output ends of the direct current welding machine (4) are provided with electric quantity sensors (8), and the electric quantity sensors (8) are electrically connected with the central controller (7);
and the central controller (7) adjusts the wire feeding speed of the wire feeding mechanism according to the size of metal particles after the anti-corrosion metal wire is melted and the arc starting voltage of the direct current welding machine acquired by the electric quantity sensor.
2. A direct current twin wire arc spraying apparatus according to claim 1, further comprising a data storage module (9) electrically connected to the central controller (7), the data storage module (9) storing an expert database.
3. A dc twin-wire arc spraying method which is realized based on a dc twin-wire arc spraying apparatus according to claim 1 or 2, characterized by comprising the steps of:
erecting the pipe on a rotary roller bracket, and starting a driving device of a roller jig frame and a driving device of a rotary roller;
starting an air compressor, and simultaneously starting a wire feeding mechanism and a direct current welding machine, wherein the wire feeding mechanism conveys anti-corrosion metal wires into a conductive nozzle of the direct current welding machine according to an expert data value set by a central controller, and the direct current welding machine outputs a preset voltage according to the expert data value set by the central controller;
the tip of the anticorrosive metal wire is contacted with the electric arc to be melted, and the air compressor generates high-pressure gas to spray the melted metal particles to the surface of the pipe;
and according to the size of the metal particles and the arc starting voltage of the direct current welding machine acquired by the electric quantity sensor, the central controller adjusts the wire feeding speed of the wire feeding mechanism.
4. A direct current twin wire arc spraying method as defined in claim 3, further comprising:
if the thickness of the anticorrosive coating of the pipe does not reach the specified thickness, the central controller controls the driving device of the roller jig frame to drive the roller jig frame to do linear reciprocating motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335063.0A CN108588619B (en) | 2018-04-15 | 2018-04-15 | Direct-current double-wire arc spraying device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335063.0A CN108588619B (en) | 2018-04-15 | 2018-04-15 | Direct-current double-wire arc spraying device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108588619A CN108588619A (en) | 2018-09-28 |
| CN108588619B true CN108588619B (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810335063.0A Expired - Fee Related CN108588619B (en) | 2018-04-15 | 2018-04-15 | Direct-current double-wire arc spraying device and method |
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| Country | Link |
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| CN (1) | CN108588619B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1277487A (en) * | 1968-11-07 | 1972-06-14 | Flame Spray Ind Inc | Metallizing device |
| JP2012197493A (en) * | 2011-03-22 | 2012-10-18 | Tokyo Electric Power Co Inc:The | Arc spraying device |
| CN205199772U (en) * | 2015-12-15 | 2016-05-04 | 翟长生 | Rigidity send silk to prevent hole supersonic speed electric arc spraying rifle of current interruption |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5806893B2 (en) * | 2011-09-14 | 2015-11-10 | 日本鋳鉄管株式会社 | Method for forming anticorrosion coating on metal deformed pipe |
| CN204051970U (en) * | 2014-06-23 | 2014-12-31 | 南通河海大学海洋与近海工程研究院 | Make silk spraying all-in-one |
| CN204429622U (en) * | 2014-12-25 | 2015-07-01 | 深圳市绍永福印刷有限公司 | A kind of workbench electric arc spraying Rustproofing apparatus |
| CN204448353U (en) * | 2015-03-03 | 2015-07-08 | 河北中信防腐工程有限公司 | Arc-spraying machine gun system |
| CN105970143B (en) * | 2016-07-20 | 2019-02-15 | 中原内配集团股份有限公司 | Thermal spraying apparatus, thermal spray system and its hot-spraying technique |
| CN107201491A (en) * | 2017-05-17 | 2017-09-26 | 扬州大学 | A kind of preparation method of drilling riser sleeve pipe electric arc spraying protective coating |
-
2018
- 2018-04-15 CN CN201810335063.0A patent/CN108588619B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1277487A (en) * | 1968-11-07 | 1972-06-14 | Flame Spray Ind Inc | Metallizing device |
| JP2012197493A (en) * | 2011-03-22 | 2012-10-18 | Tokyo Electric Power Co Inc:The | Arc spraying device |
| CN205199772U (en) * | 2015-12-15 | 2016-05-04 | 翟长生 | Rigidity send silk to prevent hole supersonic speed electric arc spraying rifle of current interruption |
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| Publication number | Publication date |
|---|---|
| CN108588619A (en) | 2018-09-28 |
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Granted publication date: 20200922 |