CN107377337A - Epoxy powder coating process inside and outside a kind of steel pipe - Google Patents
Epoxy powder coating process inside and outside a kind of steel pipe Download PDFInfo
- Publication number
- CN107377337A CN107377337A CN201710479335.XA CN201710479335A CN107377337A CN 107377337 A CN107377337 A CN 107377337A CN 201710479335 A CN201710479335 A CN 201710479335A CN 107377337 A CN107377337 A CN 107377337A
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- Prior art keywords
- steel pipe
- interior
- epoxy powder
- spray
- spraying
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 68
- 239000010959 steel Substances 0.000 title claims abstract description 68
- 239000004593 Epoxy Substances 0.000 title claims abstract description 57
- 239000000843 powder Substances 0.000 title claims abstract description 40
- 238000000576 coating method Methods 0.000 title claims abstract description 13
- 239000007921 spray Substances 0.000 claims abstract description 42
- 238000005507 spraying Methods 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 229940098458 powder spray Drugs 0.000 claims abstract description 12
- 238000005480 shot peening Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000005422 blasting Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 230000005021 gait Effects 0.000 claims description 2
- 238000010422 painting Methods 0.000 claims 1
- 230000002421 anti-septic effect Effects 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 239000003973 paint Substances 0.000 abstract description 3
- 238000010257 thawing Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 14
- 238000005260 corrosion Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241001640558 Cotoneaster horizontalis Species 0.000 description 1
- 102000004142 Trypsin Human genes 0.000 description 1
- 108090000631 Trypsin Proteins 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005453 pelletization Methods 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
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012588 trypsin Substances 0.000 description 1
Classifications
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- 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
- B05D3/007—After-treatment
-
- 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
- B05D3/0254—After-treatment
-
- 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
- B05D3/12—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 mechanical means
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
-
- 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
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
-
- 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
- B05D2254/00—Tubes
- B05D2254/04—Applying the material on the interior of the tube
- B05D2254/06—Applying the material on the interior and exterior of the tube
-
- 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
- B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
- B05D2401/30—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant
- B05D2401/32—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant applied as powders
-
- 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
- B05D2504/00—Epoxy polymers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Spray Control Apparatus (AREA)
Abstract
The invention provides epoxy powder coating process inside and outside a kind of steel pipe, upper tube platform is specifically included；Inner surface derusting, dedusting；Outer surface derusting, dedusting；Internal intermediate frequency heating, interior epoxy powder spray；Outer heating in medium frequency, outer epoxy powder spray；Water cooling is formed by curing the steps such as production tube.The present invention proposes a kind of steel pipe surfaces externally and internally spraying epoxy powder technique, and using interior spraying epoxy powder, steel pipe inner wall is adsorbed after clinkering, then carries out outer heating in medium frequency, outer wall of steel pipe spraying epoxy powder.The secondary thawing of dusty spray, clinkering again, makes equably to adsorb in the epoxy powder of inwall in steel pipe inner wall, improves adhesive force, improve antiseptic property in outer heating in medium frequency is carried out simultaneously.This paint finishing overcomes the difficult point that energy charge in general spraying process is big, the time is long, each workshop section compact can not be connected, and low production efficiency, quality are difficult to control.
Description
Technical field
The present invention relates to oil field pipe technical field of anticorrosion, and in particular to defeated suitable for oil gas field surface gathering and transferring pipeline, length
Pipeline, filling pipe, water supply line, oil, the water supply of chemical enterprise, air supply system pipeline corrosion protection technology clinkering ring
Oxygen powder, reach epoxy powder coating process inside and outside a kind of steel pipe of cylinder of steel inside and outside integrity anti-corrosion coating effect.
Background technology
As the requirement of the fast development in oil field and Environmental protection improves constantly, oil gathering and transportation pipelines and recovered water
Re-injection pipeline internal corrosion problem perplexs and affected the development of enterprise always, such as：Oil gathering and transportation pipelines, produced-water reinjection pipeline
Deng the pipe leakage caused by internal corrosion reason, the operation to pipeline brings potential safety hazard, have impact on oil field and normally produces, reduces
The service life of pipeline, while environmental pollution is also created, direct or indirect economic loss is brought to enterprise, is caused bad
Social influence；Especially with the raising of environmental consciousness, oil field production faces the environmental protection pressure of sternness simultaneously, especially around
Caused by oil pipeline breakage crude oil reveal, and caused by environmental pollution, be oil field development problem.
At present, the anti-corrosion traditional method of oil field ground pipeline is the outer anti-corrosion of pipeline, carries out steel pipe trypsin method epoxy powder and enters
The outer preservative treatment of row, the outer surface of steel tube after being sprayed due to clinkery epoxy powder are had good antiseptic effect, lasted a long time
Feature, therefore oil field ground gathering line is widely used in, long distance pipeline and the outer anti-corrosion of water supply line, and pipeline is interior anti-
Rotten technology is ripe not enough in field use.Chinese patent application 2013100577156, patent name：Steel pipe inside and outside wall epoxy
Powder coating one-shot forming technique, publication No. CN103170445A, it is characterised in that steel pipe inner wall epoxy powder sprays and outer wall
Epoxy powder is sprayed on a production line while carried out, the production line include interior epoxy movement spraying car, interior epoxy spraying rod,
Supporting track dolly, shower nozzle, helical feed roller-way, pipe-transferring trolley, interior spraying rod support, steel pipe, medium-frequency heating coil, outer epoxy
Powder spray booth, interior epoxy spraying rod one end are moved spraying car with interior epoxy and are fixedly connected, and the interior epoxy spraying rod other end is provided with spray
Head；Interior epoxy spraying rod moves spraying car by interior epoxy and supporting track dolly supports, interior epoxy movement spraying car and support
Small rail car is moved in orbit, and outer epoxy powder spray booth is arranged in the middle part of production line, near the outer epoxy powder spray room in
Epoxy spraying rod side is provided with medium-frequency heating coil, and the medium-frequency heating coil completes steel pipe inner wall and outer wall heats simultaneously；Steel pipe
Complete the epoxy powder spraying of inwall and outer wall simultaneously on this production line, for above-mentioned technique, belong to and complete inwall and outer
The epoxy powder of wall sprays, in fact the final sprayed coating of such technique and insecure, still easy generation problem.
The content of the invention
For the drawbacks described above and problem of prior art, the technical problems to be solved by the invention are to provide in a kind of steel pipe
Outer epoxy powder coating process, it makes equably to adsorb in steel in the epoxy powder of inwall by the way of secondary spraying, clinkering
Inside pipe wall, adhesive force is improved, improve antiseptic property.
In order to achieve the above object, the present invention provides following technical scheme：
Epoxy powder coating process, specifically comprises the following steps inside and outside a kind of steel pipe：
Step 1: upper tube platform, examines qualified steel pipe to enter upper tube platform, interior shot-peening system is delivered to through autobiography track
System, pipeline through tube pulling, be automatically positioned, it is uniform four on station；
Step 2: inner surface derusting, dedusting, pipe-transferring trolley is transported on interior derusting four stations of rotation, movable cleaning chamber,
Shot-peening dolly is in place, and after interior spray gun insertion pipeline is interior, interior compressed air shotblasting machine, which is started working, carries out inner surface shot peening, inner surface derusting
After the completion of, interior spray gun retreats jet, carries out inner surface dedusting；
Step 3: outer surface derusting, dedusting, steel pipe is delivered in outer shot-blasting machine and carried out by fixed cleaning chamber and autobiography track
Outer surface is derusted, and dust-removing process is carried out after derusting, outer dedusting fan, outer dirt pocket bring into operation；
Step 4: internal intermediate frequency heating, interior epoxy powder spray, steel pipe delivers to interior epoxy powder after reaching derusting grade after testing
Last paint finishing, interior spray gun insertion steel pipe is interior, internal intermediate frequency device, interior temperature sounder and internal intermediate frequency cooling pipe are run simultaneously, interior
Epoxy powder spraying starts, and interior spray gun is identical with dedusting crab traversing speed, is 1.5m/min~10m/min, interior spray gun spray ring
Oxygen powder dosage is 40g/min~105g/min, and steel pipe internal-surface temperature is l7O DEG C~190 DEG C, and internal intermediate frequency heater power is
250KW；
Step 5: outer heating in medium frequency, outer epoxy powder spray, internally the steel pipe after spraying through upper tube platform be delivered to it is outer in
Frequency heating system, outer intermediate frequency heater will be heated outside steel pipe, l8O DEG C of steel tube surface temperature controlling range~195 DEG C, outside
Intermediate frequency heater power is 500KW, carries out outer spray gun spraying after heating in outer spray box, and steel pipe gait of march is in outer spray box
3m/min~10m/min, epoxy powder dosage are 300g/min~600g/min；
Step 6: water cooling solidifies, the water cooled cure system of steel pipe after the completion of spraying is cooled down, using in spray piping
Water-carrying capacity is automatically adjusted, and band coating steel pipe is cooled, and outer surface of steel tube temperature is 40 DEG C~45 DEG C；
Step 7: production tube, the steel pipe after water cooling solidification delivers to production tube platform through automatic conveyor, after detection is qualified
Steel pipe deposited and transported outward on production tube platform.
Present invention has the advantages that the present invention proposes a kind of steel pipe surfaces externally and internally spraying epoxy powder technique, use
Interior spraying epoxy powder, adsorbs steel pipe inner wall after clinkering, then carry out outer heating in medium frequency, outer wall of steel pipe spraying epoxy powder.
The secondary thawing of dusty spray, clinkering again, makes equably to adsorb in the epoxy powder of inwall in outer heating in medium frequency while progress
In steel pipe inner wall, adhesive force is improved, improves antiseptic property.This paint finishing overcome in general spraying process energy charge it is big,
Time is long, each workshop section compact can not be connected, the unmanageable difficult point of low production efficiency, quality.
Embodiment
Below in conjunction with embodiments of the invention, technical scheme is clearly and completely described, it is clear that
Described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the implementation in the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of protection of the invention.
As technical scheme shown in embodiment, using epoxy powder spray inside and outside a kind of steel pipe of the present invention
Technique is applied, to external diameter 60mm, wall thickness 8mm, the seamless steel pipe that length 12m, material are 20 carries out surfaces externally and internally spraying epoxy powder
End is embodiment.
Step 1, steel pipe are externally seen on upper tube platform, caliber, wall thickness, pipe range etc. are detected, if reach symbol
Close manufacturing technique requirent, the steel pipe after detection is qualified delivers to interior peening system through autobiography track, pipeline through tube pulling, be automatically positioned,
Uniform four in station.
Step 2, pipe-transferring trolley are transported on the interior derusting station of rotation four, and movable cleaning chamber, shot-peening trolley travelling are to suitable
Position be defined, in interior spray gun insertion pipeline after, interior compressed air shotblasting machine is started working, and completes inner surface shot peening, and interior spray gun retreats
Jet, carries out inner surface dedusting, and the material such as solid particle in scavenging conduit, oil stain residual is answered in dedusting.
Inner surface derusts system by fixing cleaning chamber, movable cleaning chamber, pipe-transferring trolley, shot-peening dolly, interior spray gun, interior shot-peening
Machine and autobiography track composition, the relevant device purchased using in the market connect composition to specifications.
After the completion of step 3, interior derusting dedusting, steel pipe is delivered to progress outer surface derusting in outer shot-blasting machine by autobiography track, is removed
Dust-removing process is carried out after rust, derusting dedusting should reach criterion of acceptability.
When carrying out the derusting dedusting of steel pipe inside and outside wall, inside and outside dedusting fan, the operation of inside and outside dirt pocket and centralized recovery solid
The debris such as particle, oil stain residual.
Inner and outer surfaces dust pelletizing system is used special by interior dedusting fan using the cleaner of in the market buying, interior dirt pocket
Profit number:A kind of 201620633713.6 epoxy powder wet scrubber composition announced.
Step 4, steel pipe deliver to medium-frequency heating system and interior spraying epoxy powder system, after interior spray gun gos deep into steel pipe, in interior
Frequency heater, interior spray gun and dedusting trolley travelling bring into operation, l85 DEG C of steel pipe internal-surface temperature control, and interior spray gun and dedusting are small
Vehicle speed is 5.5m/min, and epoxy powder dosage is 55g/min.
Internal intermediate frequency heating system is made up of internal intermediate frequency device, interior temperature sounder and internal intermediate frequency cooling pipe, and these equipment are
Complete set of equipments, it can commercially purchase, install and use to specifications.
Interior epoxy powder spraying system is by interior spray box, interior spray gun, epoxy powder storage tank, dedusting dolly and cleaning shaft group
Into interior spray box and interior spray gun use Patent No.:A kind of 201520184612.0 petrochemical industry pipeline internal corrosion announced
Spray equipment, remaining equipment are commercially purchased, installed and used to specifications.
Steel pipe after being sprayed in step 5, completion is delivered to outer medium-frequency heating system, steel tube surface temperature control through upper tube platform
185 DEG C of scope processed, outer spray gun spraying is carried out after heating in outer spray box.Epoxy powder dosage is 400g/min.
Outer medium-frequency heating system is made up of outer intermediate frequency heater, outer temperature sounder and outer intermediate frequency cooling pipe, outer intermediate frequency
Heating system is complete set of equipments, can commercially purchase, install and use to specifications.
Outer epoxy powder spraying system is made up of outer spray box, outer spray gun, epoxy powder storage tank, pulse dust removal equipment, outer shroud
Oxygen powder spraying system is complete set of equipments, can commercially purchase, install and use to specifications.
The water cooled cure system of steel pipe after the completion of step 6, spraying is cooled down, automatic using water-carrying capacity in spray piping
Regulation, cools to band coating steel pipe, and outer surface of steel tube temperature is 42 DEG C.
Water cooling cure system is made up of spray piping, water tank, and water cooling cure system is the confined space of glass composition, is prevented
Cooling water spluttering, the spray piping being made up of water pipe connection water tank or water tap is located at the on both sides of the middle of confined space, close
Close space bottom and apparatus for recovering is set, cooling water is subjected to recycling.
Steel pipe after step 7, water cooling solidification delivers to production tube platform through automatic conveyor, and the steel pipe after detection is qualified exists
Deposited and transported outward on production tube platform.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (1)
- A kind of 1. epoxy powder coating process inside and outside steel pipe, it is characterised in that：Specifically comprise the following steps：Step 1: upper tube platform, examines qualified steel pipe to enter upper tube platform, interior peening system is delivered to through autobiography track, Pipeline through tube pulling, be automatically positioned, it is uniform four on station；Step 2: inner surface derusting, dedusting, pipe-transferring trolley is transported on interior derusting four stations of rotation, movable cleaning chamber, shot-peening Dolly is in place, and after interior spray gun insertion pipeline is interior, interior compressed air shotblasting machine, which is started working, carries out inner surface shot peening, and inner surface derusting is completed Afterwards, interior spray gun retreats jet, carries out inner surface dedusting；Step 3: outer surface derusting, dedusting, steel pipe is delivered to and appearance is carried out in outer shot-blasting machine by fixed cleaning chamber and autobiography track Face is derusted, and dust-removing process is carried out after derusting, outer dedusting fan, outer dirt pocket bring into operation；Step 4: internal intermediate frequency heating, interior epoxy powder spray, steel pipe delivers to interior epoxy powder spray after reaching derusting grade after testing Painting system, interior spray gun insertion steel pipe is interior, internal intermediate frequency device, interior temperature sounder and internal intermediate frequency cooling pipe are run simultaneously, interior epoxy Powder spray starts, and interior spray gun is identical with dedusting crab traversing speed, is 1.5m/min~10m/min, interior spray gun spray ring oxygen powder Last dosage is 40g/min~105g/min, and steel pipe internal-surface temperature is l7O DEG C~190 DEG C, and internal intermediate frequency heater power is 250KW；Step 5: outer heating in medium frequency, outer epoxy powder spray, the steel pipe after internally spraying is delivered to outer intermediate frequency through upper tube platform and added Hot systems, outer intermediate frequency heater will be heated outside steel pipe, l8O DEG C of steel tube surface temperature controlling range~195 DEG C, outer intermediate frequency Heater power is 500KW, carries out outer spray gun spraying after heating in outer spray box, and steel pipe gait of march is 3m/min in outer spray box ~10m/min, epoxy powder dosage are 300g/min~600g/min；Step 6: water cooling solidifies, the water cooled cure system of steel pipe after the completion of spraying is cooled down, using current in spray piping Amount is automatically adjusted, and band coating steel pipe is cooled, and outer surface of steel tube temperature is 40 DEG C~45 DEG C；Step 7: production tube, the steel pipe after water cooling solidification delivers to production tube platform, the steel after detection is qualified through automatic conveyor Pipe is deposited and transported outward on production tube platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710479335.XA CN107377337A (en) | 2017-06-22 | 2017-06-22 | Epoxy powder coating process inside and outside a kind of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710479335.XA CN107377337A (en) | 2017-06-22 | 2017-06-22 | Epoxy powder coating process inside and outside a kind of steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107377337A true CN107377337A (en) | 2017-11-24 |
Family
ID=60333500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710479335.XA Pending CN107377337A (en) | 2017-06-22 | 2017-06-22 | Epoxy powder coating process inside and outside a kind of steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107377337A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758102A (en) * | 2018-05-02 | 2018-11-06 | 中国石油天然气集团公司 | A kind of outer surface of steel tube 3PE antisepsis production lines and anticorrosion process |
| CN109210282A (en) * | 2018-10-23 | 2019-01-15 | 山东禹王管业有限公司 | A kind of heavy caliber anti-corrosive steel tube and manufacture craft |
| CN110592578A (en) * | 2019-09-05 | 2019-12-20 | 华庚新材料科技(嘉兴)有限公司 | Composite material |
| CN110699685A (en) * | 2019-09-05 | 2020-01-17 | 华庚新材料科技(嘉兴)有限公司 | Method for producing composite material |
| CN111748812A (en) * | 2019-03-26 | 2020-10-09 | 临沂华庚新材料科技有限公司 | A method of manufacturing composite steel pipe |
| CN113000277A (en) * | 2021-04-23 | 2021-06-22 | 沈阳亚特重型装备制造有限公司 | Production line for spraying inside and outside anticorrosive coating of cast iron pipe |
| CN113909080A (en) * | 2021-10-14 | 2022-01-11 | 浙江金洲管道科技股份有限公司 | Steel pipe coating method |
| CN115090455A (en) * | 2022-07-20 | 2022-09-23 | 山东禹王管业有限公司 | A device for thermal fusion bonding epoxy powder coating on the inner and outer walls of large-diameter steel pipes |
| CN117505220A (en) * | 2023-11-08 | 2024-02-06 | 广东新兴铸管有限公司 | An internal spraying epoxy powder process using ductile cast pipe as the base material |
| CN121017066A (en) * | 2025-10-30 | 2025-11-28 | 潍坊天德管业有限公司 | A 3PE outer and epoxy resin inner anti-corrosion pipe and its manufacturing process |
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| CN101333661A (en) * | 2008-07-25 | 2008-12-31 | 辽河石油勘探局 | Process for spraying anticorrosive coating of epoxy powder on steel pipe |
| CN105927802A (en) * | 2016-06-24 | 2016-09-07 | 广州市华粤管业有限公司 | Inside-outside plastic-coated steel pipe and manufacturing process thereof |
| CN206139380U (en) * | 2016-08-31 | 2017-05-03 | 渤海石油装备福建钢管有限公司 | Large -diameter steel pipe inside and outside wall anticorrosion production line more than DN1400mm |
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2017
- 2017-06-22 CN CN201710479335.XA patent/CN107377337A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333661A (en) * | 2008-07-25 | 2008-12-31 | 辽河石油勘探局 | Process for spraying anticorrosive coating of epoxy powder on steel pipe |
| CN105927802A (en) * | 2016-06-24 | 2016-09-07 | 广州市华粤管业有限公司 | Inside-outside plastic-coated steel pipe and manufacturing process thereof |
| CN206139380U (en) * | 2016-08-31 | 2017-05-03 | 渤海石油装备福建钢管有限公司 | Large -diameter steel pipe inside and outside wall anticorrosion production line more than DN1400mm |
Cited By (12)
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