CN110252588B - Grinding and coating equipment and process for high-melting-point pipeline wear-resistant hydrophobic coating - Google Patents
Grinding and coating equipment and process for high-melting-point pipeline wear-resistant hydrophobic coating Download PDFInfo
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- CN110252588B CN110252588B CN201910521203.8A CN201910521203A CN110252588B CN 110252588 B CN110252588 B CN 110252588B CN 201910521203 A CN201910521203 A CN 201910521203A CN 110252588 B CN110252588 B CN 110252588B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/021—Apparatus for spreading or distributing liquids or other fluent materials already applied to the surface of an elongated body, e.g. a wire, a tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/06—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
- B24B29/08—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction the cross-section being circular, e.g. tubes, wires, needles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Coating Apparatus (AREA)
Abstract
The invention provides grinding and coating equipment and a grinding and coating process for a high-melting-point pipeline wear-resistant hydrophobic coating, which comprise a box body, a V-shaped roller pipeline pipe conveying mechanism and an annular electric heating ring; the pipeline grinding and coating equipment provided by the invention is used for grinding and coating a TPU coating on the outer part of a pipeline, so that the hydrophilic pipeline surface can be improved to be a hydrophobic surface, the polishing wheel reduces the influence of impurities on the pipeline surface on the coating processing, the annular electric heating ring preheats the pipeline to ensure the smooth pipeline grinding and coating, and the electrochemical test shows that the TPU coating can greatly improve the corrosion resistance of the pipeline in an acid environment and a chloride environment and prolong the service life of the pipeline.
Description
Technical Field
The invention relates to the field of pipeline grinding and coating equipment and process, in particular to grinding and coating equipment and process for a high-melting-point pipeline wear-resistant hydrophobic coating, which are mainly suitable for pipeline processing processes of sealing, heat insulation, wear resistance and the like.
Background
A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The pipeline has wide application range, and is mainly used for water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas transmission, agricultural irrigation, hydraulic engineering and various industrial devices; classifying according to materials: the metal pipeline and the nonmetal pipeline, the passage, the support, the gradient, the liquid discharge and the exhaust, the compensation, the heat preservation and the heating of the pipeline, the corrosion prevention and the cleaning, the identification and the painting, the safety and the like of the pipeline are important problems for both the overground laying and the underground laying.
At present, film forming technologies such as casting, calendering and injection molding in the prior art have high use cost, are easy to suffer from abrasion coating defects during secondary coating forming, have air holes in a coating during thermal spraying, and have low chemical medium corrosion resistance of a pipeline. The equipment can realize batch generation, improves the production efficiency, and is economical and environment-friendly.
Disclosure of Invention
In order to avoid the defects of the prior art, the invention provides grinding and coating equipment and a process for a high-melting-point pipeline wear-resistant hydrophobic coating, so as to solve the problems.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a wear-resisting hydrophobic coating's of high melting point pipeline grinds equipment of scribbling, includes box, V type roller way pipe feeding mechanism and annular electrical heating circle, V type roller way pipe feeding mechanism is including initiatively sending pipe V type roll table, driven roll table and first motor, box upper end left side is rotated and is connected with initiatively sending pipe V type roll table and driven roll table, box upper end left side just is located driven roll table right side and is provided with throws aureola, box lower extreme middle part is provided with the second motor, throw aureola is connected to second motor belt, box upper end left side just is located throwing aureola right side department and is provided with annular electrical heating circle, box upper end right side symmetry is provided with first fixed snap ring and the fixed snap ring of second.
The driving pipe conveying V-shaped roller way is located on the front side of the driven roller way, a first motor is arranged on the left side of the lower end of the box body, a servo speed reduction motor is selected for the first motor, the first motor is connected with the driving pipe conveying V-shaped roller way through a coupler, and the center line of the driving pipe conveying V-shaped roller way and the center line of the pipeline are inclined by at least 3 degrees.
The annular electric heating ring comprises an annular heating pipe and a shell, the annular heating pipe is arranged in the shell, the annular heating pipe is SUS321, and the shell is made of an aluminum silicate fiberboard.
The joint has the melting cylinder between first fixed snap ring and the fixed snap ring of second, there is the heat preservation melting cylinder outside through bolted connection, the inside downside of melting cylinder is provided with down the half module, melting cylinder upper end middle part all is provided with the feed inlet, the outside axial-flow pump of pipe connection is passed through to the feed inlet upper end, melting cylinder lower extreme middle part all is provided with the bin outlet.
The fixed snap ring right part of second is provided with the filming ring, the material of filming ring is perfluoroether high temperature resistant wear-resisting rubber, the appearance of filming ring chooses for use convex convergent snap ring, and the filming ring adopts detachable construction.
The number of the polishing wheels is three, and the polishing wheels are arranged in the box body in a vertical direction and in an equal angle around the axis of the pipeline.
The right end of the box body is provided with a circuit switch, and the circuit switch is connected with the first motor, the second motor and the annular electric heating ring through wires.
The invention also provides a processing technology of the grinding and coating equipment for the high-melting-point pipeline wear-resistant hydrophobic coating, which comprises the following steps:
1) starting the V-shaped roller pipe conveying mechanism through a first motor to convey pipes, and reasonably setting a reduction ratio to enable the speed to be at a proper pipe conveying speed;
2) when the pipeline passes through the polishing wheel, polishing and derusting treatment are carried out on the surface of the pipeline;
3) when the pipeline enters the annular electric heating ring, preheating the pipeline to enable the temperature of the pipeline to be 220-240 ℃;
4) feeding is started when the pipeline enters the melting barrel, and the TPU starts to be coated on the outer surface of the pipeline under the action of self rotation and axial flow pump pressure of the preheated pipeline;
5) when the pipeline passes through the melting cylinder and the outlet on the right side of the second fixed snap ring, a layer of TPU film is uniformly ground and coated on the outer surface of the pipeline under the action of the film forming ring;
6) after the coating of the pipe is completed, it is gradually cooled to room temperature in air.
Compared with the prior art, the invention provides the grinding and coating equipment and the process of the high-melting-point pipeline wear-resistant hydrophobic coating, the pipeline grinding and coating equipment provided by the invention is used for grinding and coating a TPU coating on the outside of a pipeline, the hydrophilic pipeline surface can be improved to be a hydrophobic surface, the polishing wheel reduces the influence of impurities on the surface of the pipeline on the processing of the coating, the annular electric heating ring preheats the pipeline to ensure the smooth grinding and coating of the pipeline, electrochemical tests show that the TPU coating can greatly improve the corrosion resistance of the pipeline in an acid environment and a chloride environment and prolong the service life of the pipeline, and the TPU is an environment-friendly material, has good wear resistance, oil resistance and ageing resistance, can greatly improve the long-term protection performance of the pipeline, saves the cost, and is economic and environment-friendly.
Drawings
FIG. 1 is a cross-sectional view of a structure of the present invention;
FIG. 2 is a partial enlarged view of a film forming ring according to the present invention;
FIG. 3 is a schematic diagram of the driving tube feeding V-shaped roller way in the present invention;
FIG. 4 is a comparison of water contact angles of a 45# steel substrate and a TPU film coated substrate in accordance with the present invention;
FIG. 5 is an impedance spectrum and polarization curve of a TPU coating in an acidic solution in accordance with the invention;
FIG. 6 is a schematic diagram of the circuit control of the present invention;
in the figure: the device comprises a driving pipe feeding V-shaped roller way 1, a driven roller way 2, a polishing wheel 3, an annular electric heating ring 4, a first fixing clamping ring 5, a heat preservation layer 6, a feeding hole 7, a second fixing clamping ring 8, a film forming ring 9, a lower half die 10 and a discharging hole 11.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, in the embodiment of the present invention, a grinding and coating apparatus for a high melting point pipeline wear-resistant hydrophobic coating includes a box body, a V-shaped roller way pipe conveying mechanism and an annular electrical heating ring 4, where the V-shaped roller way pipe conveying mechanism includes a driving pipe conveying V-shaped roller way 1, a driven roller way 2 and a first motor, the driving pipe conveying V-shaped roller way 1 and the driven roller way 2 are rotatably connected to the left side of the upper end of the box body, a polishing wheel 3 is disposed on the left side of the upper end of the box body and on the right side of the driven roller way 2, a second motor is disposed in the middle of the lower end of the box body, the second motor is connected to the polishing wheel 3 through a belt, the annular electrical heating ring 4 is disposed on the left side of the upper end of the box body and on the right side of the polishing wheel 3, and a first fixing snap ring 5 and a second fixing snap ring 8 are symmetrically disposed on the right side of the upper end of the box body.
The driving pipe conveying V-shaped roller way 1 is located on the front side of the driven roller way 2, a first motor is arranged on the left side of the lower end of the box body, a servo speed reduction motor is selected for use as the first motor, the first motor is connected with the driving pipe conveying V-shaped roller way 1 through a coupler, and the center line of the driving pipe conveying V-shaped roller way 1 is inclined by at least 3 degrees with the center line of a pipeline.
The annular electric heating ring 4 comprises an annular heating pipe and a shell, the annular heating pipe is arranged in the shell, the annular heating pipe is SUS321, the shell is made of an aluminum silicate fiber board, and the annular electric heating ring 4 is used for preheating the pipeline.
The joint has the melting cylinder between first fixed snap ring 5 and the fixed snap ring 8 of second, there is heat preservation 6 in the melting cylinder outside through bolted connection, prevents to grind when scribbling the quick scattering and disappearing of pipeline heat, the inside downside of melting cylinder is provided with down half-module 10, melting cylinder upper end middle part all is provided with feed inlet 7, the outside axial-flow pump of pipe connection is passed through to feed inlet 7 upper end, melting cylinder lower extreme middle part all is provided with bin outlet 11, conveniently arranges the collection of material and clout and recycles.
The 8 right parts of the second fixed snap ring are provided with a film forming ring 9, the material of the film forming ring 9 is perfluoroether high-temperature-resistant wear-resistant rubber, the appearance of the film forming ring 9 is selected from a circular arc gradually-reducing snap ring, and the film forming ring 9 adopts a detachable structure and can be replaced according to different thickness requirements.
The number of the polishing wheels 3 is three, and the polishing wheels 3 are arranged in the box body in a vertical direction and in an equal angle around the axis of the pipeline, so that the surface of the pipeline is derusted.
The right end of the box body is provided with a circuit switch, and the circuit switch is connected with the first motor, the second motor and the annular electric heating ring 4 through wires.
The processing technology of the grinding and coating equipment for the high-melting-point pipeline wear-resistant hydrophobic coating is described with reference to the accompanying drawings 1-6:
step one, starting a V-shaped roller way pipe conveying mechanism through a first motor, starting pipe conveying, and reasonably setting a reduction ratio to enable the speed to be at a proper pipe conveying speed, referring to fig. 3;
step two, when the pipeline passes through the polishing wheel 3, polishing and derusting treatment is carried out on the surface of the pipeline, and the reference is made to FIG. 1;
step three, when the pipeline enters the annular electric heating ring 4, preheating the pipeline to enable the temperature of the pipeline to be 220-240 ℃;
feeding when the pipeline enters the melting barrel, and grinding the TPU on the outer surface of the pipeline under the action of self rotation and axial flow pump pressure of the preheated pipeline;
step five, when the pipeline passes through the melting cylinder and an outlet on the right side of the second fixed snap ring 8, a layer of TPU film is uniformly ground and coated on the outer surface of the pipeline under the action of the film forming ring 9;
and step six, after the coating of the pipeline is finished, the pipeline is gradually cooled to room temperature in the air.
Compared with the prior art, the grinding and coating equipment used in the invention can generate automatic rotation while advancing axially under the action of the driving pipe conveying V-shaped roller way 1 because the position and linear velocity of the pipeline contacting the two sides of the V-shaped roller way are different, the rotary friction between the inner die of the charging barrel and the outer surface of the pipeline is utilized to more uniformly grind and coat the material in the charging barrel on the outer surface of the pipeline, the driven roller way 2 can assist in positioning and pipe conveying of the pipeline, three polishing wheels 3 are distributed at 120 degrees around the axis to remove rust on the surface of the pipeline, the heat insulation layer 6 can prevent the rapid dissipation of the heat of the pipeline during grinding and coating, the axial flow pump feeds the material through the feeding port 7 and simultaneously provides certain pressure for the cavity to more tightly attach the material particles on the surface of the pipeline for grinding and coating, the film forming ring 9 adopts the design of arc transition with gradually reducing opening outwards to uniformly grind and coat a layer of TPU film on the outer surface of the pipeline, the discharging port 11 can be provided with a discharging valve, so that discharging and residual materials can be collected and reused conveniently, a TPU (1350D) coating is ground and coated outside the pipeline by utilizing the pipeline grinding and coating equipment of the invention, the hydrophilic pipeline surface can be improved to be a hydrophobic surface, referring to FIG. 4, in FIG. 4, (a) the water contact angle of a No. 45 steel substrate without a film is only 74 degrees, hydrophilicity is shown, and (b) the water contact angle of the substrate coated with the TPU film is 106 degrees, the surface shows hydrophobicity, electrochemical tests show that the TPU coating can greatly improve the corrosion resistance of the pipeline in an acid environment and a chloride environment, prolong the service life of the pipeline, referring to FIG. 5, according to a polarization curve, the TPU film can effectively reduce the corrosion rate of the pipeline in the acid environment, and the TPU is an environment-friendly material, has good wear resistance, oil resistance and aging resistance, and can greatly improve the long-term protection performance of the pipeline, saving cost, economy and environmental protection.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the set spirit of the present invention.
Claims (5)
1. The grinding and coating equipment for the high-melting-point wear-resistant hydrophobic coating of the pipeline comprises a box body, a V-shaped roller way pipe conveying mechanism and an annular electric heating ring (4), and is characterized in that the V-shaped roller way pipe conveying mechanism comprises a driving pipe conveying V-shaped roller way (1), a driven roller way (2) and a first motor, the driving pipe conveying V-shaped roller way (1) and the driven roller way (2) are rotatably connected to the left side of the upper end of the box body, a polishing wheel (3) is arranged on the left side of the upper end of the box body and positioned on the right side of the driven roller way (2), a second motor is arranged in the middle of the lower end of the box body, a belt of the second motor is connected with the polishing wheel (3), the annular electric heating ring (4) is arranged on the left side of the upper end of the box body and positioned on the right side of the polishing wheel (3), and a first fixing clamping ring (5) and a second fixing clamping ring (8) are symmetrically arranged on the right side of the upper end of the box body; the driving pipe conveying V-shaped roller way (1) is positioned on the front side of the driven roller way (2), a first motor is arranged on the left side of the lower end of the box body, the first motor is a servo speed reduction motor, the first motor is connected with the driving pipe conveying V-shaped roller way (1) through a coupler, and the center line of the driving pipe conveying V-shaped roller way (1) is inclined at least 3 degrees with the center line of a pipeline; the annular electric heating ring (4) comprises an annular heating pipe and a shell, the annular heating pipe is arranged in the shell, the annular heating pipe is made of SUS321, and the shell is made of an aluminum silicate fiberboard; the joint has the melting cylinder between first fixed snap ring (5) and the fixed snap ring of second (8), there is heat preservation (6) melting cylinder outside through bolted connection, the inside downside of melting cylinder is provided with down half module (10), melting cylinder upper end middle part all is provided with feed inlet (7), the outside axial-flow pump of pipe connection is passed through to feed inlet (7) upper end, melting cylinder lower extreme middle part all is provided with bin outlet (11).
2. The grinding and coating equipment for the wear-resistant hydrophobic coating of the high-melting-point pipeline is characterized in that a film forming ring (9) is arranged at the right part of the second fixed clamping ring (8), the film forming ring (9) is made of perfluoroether high-temperature-resistant and wear-resistant rubber, the shape of the film forming ring (9) is an arc-shaped gradually-reduced clamping ring, and the film forming ring (9) is of a detachable structure.
3. The grinding and coating equipment for the high-melting-point pipeline wear-resistant hydrophobic coating as claimed in claim 1, wherein the number of the polishing wheels (3) is three, and the polishing wheels (3) are arranged in the box body in a vertical direction and at equal angles around the axis of the pipeline.
4. The grinding and coating equipment for the high-melting-point pipeline wear-resistant hydrophobic coating as claimed in claim 1, wherein a circuit switch is arranged at the right end of the box body and is connected with the first motor, the second motor and the annular electric heating ring (4) through leads.
5. A process for manufacturing a grinding and coating device using the wear-resistant hydrophobic coating of the high melting point pipeline as claimed in any one of claims 1 to 4, which comprises the following steps:
1) starting the V-shaped roller pipe conveying mechanism through a first motor to convey pipes, and reasonably setting a reduction ratio to enable the speed to be at a proper pipe conveying speed;
2) when the pipeline passes through the polishing wheel (3), the surface of the pipeline is polished and derusted;
3) when the pipeline enters the annular electric heating ring (4), preheating the pipeline to enable the temperature of the pipeline to be 220-240 ℃;
4) feeding is started when the pipeline enters the melting barrel, and the TPU starts to be coated on the outer surface of the pipeline under the action of self rotation and axial flow pump pressure of the preheated pipeline;
5) when the pipeline passes through the melting cylinder and an outlet on the right side of the second fixed clamping ring (8), a TPU film is uniformly ground and coated on the outer surface of the pipeline under the action of the film forming ring (9);
6) after the coating of the pipe is completed, it is gradually cooled to room temperature in air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521203.8A CN110252588B (en) | 2019-06-17 | 2019-06-17 | Grinding and coating equipment and process for high-melting-point pipeline wear-resistant hydrophobic coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521203.8A CN110252588B (en) | 2019-06-17 | 2019-06-17 | Grinding and coating equipment and process for high-melting-point pipeline wear-resistant hydrophobic coating |
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| Publication Number | Publication Date |
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| CN110252588A CN110252588A (en) | 2019-09-20 |
| CN110252588B true CN110252588B (en) | 2021-11-02 |
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| CN201910521203.8A Active CN110252588B (en) | 2019-06-17 | 2019-06-17 | Grinding and coating equipment and process for high-melting-point pipeline wear-resistant hydrophobic coating |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078041A (en) * | 2007-06-28 | 2007-11-28 | 朱兴发 | Heating roller-way for steel pipe, petroleum well pipe and drill pipe medium frequency heat treatment system |
| CN101857770A (en) * | 2010-05-27 | 2010-10-13 | 北京航空航天大学 | Hydrophobic coating material for geothermal water conveying metal pipe and one-step film forming method for preparing hydrophobic coating |
| CN106607322A (en) * | 2016-11-28 | 2017-05-03 | 东北石油大学 | Long-time super-hydrophobic wear resistant ceramic coating |
| CN107775504A (en) * | 2017-10-22 | 2018-03-09 | 广西环游信息技术开发有限公司 | A kind of steel pipe polishing painting robot |
| CN107899832A (en) * | 2017-12-07 | 2018-04-13 | 毕德城 | A kind of automatic steel pipe painting machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030064158A1 (en) * | 2001-10-03 | 2003-04-03 | Thirkeldsen C. G. | Method and apparatus for improving corrosion resistance of chrome plated material |
-
2019
- 2019-06-17 CN CN201910521203.8A patent/CN110252588B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078041A (en) * | 2007-06-28 | 2007-11-28 | 朱兴发 | Heating roller-way for steel pipe, petroleum well pipe and drill pipe medium frequency heat treatment system |
| CN101857770A (en) * | 2010-05-27 | 2010-10-13 | 北京航空航天大学 | Hydrophobic coating material for geothermal water conveying metal pipe and one-step film forming method for preparing hydrophobic coating |
| CN106607322A (en) * | 2016-11-28 | 2017-05-03 | 东北石油大学 | Long-time super-hydrophobic wear resistant ceramic coating |
| CN107775504A (en) * | 2017-10-22 | 2018-03-09 | 广西环游信息技术开发有限公司 | A kind of steel pipe polishing painting robot |
| CN107899832A (en) * | 2017-12-07 | 2018-04-13 | 毕德城 | A kind of automatic steel pipe painting machine |
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| CN110252588A (en) | 2019-09-20 |
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