CN106111488A - ERW process of surface treatment - Google Patents

ERW process of surface treatment Download PDF

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Publication number
CN106111488A
CN106111488A CN201610502931.0A CN201610502931A CN106111488A CN 106111488 A CN106111488 A CN 106111488A CN 201610502931 A CN201610502931 A CN 201610502931A CN 106111488 A CN106111488 A CN 106111488A
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China
Prior art keywords
welded tube
temperature
welded
sent
minutes
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CN201610502931.0A
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Chinese (zh)
Inventor
王诗斌
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Chaohu Pengyuan Metal Pipe Co Ltd
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Chaohu Pengyuan Metal Pipe Co Ltd
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Priority to CN201610502931.0A priority Critical patent/CN106111488A/en
Publication of CN106111488A publication Critical patent/CN106111488A/en
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    • 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
    • B05D3/0236—Pretreatment, e.g. heating the substrate with ovens
    • 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
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
    • 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
    • B05D3/002—Pretreatement
    • 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
    • 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
    • B05D3/14—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 electrical means
    • B05D3/141—Plasma treatment
    • B05D3/142—Pretreatment
    • 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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive 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
    • 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
    • B05D7/146—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 to metallic pipes or tubes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • C09D5/033—Powdery paints characterised by the additives
    • C09D5/038—Anticorrosion agents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • 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
    • B05D2508/00—Polyesters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/005—Additives being defined by their particle size in general
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

A kind of ERW process of surface treatment, step is as follows: welding 1) completes and passes through the welded tube feeding humidity 100% of tempering, deposits 36 hours in the environment that temperature is 79 DEG C；2) welded tube is sent into preheating furnace and carry out the pre-heat treatment；3) welded tube after preheating is sent into ultrasonic washing unit and carry out ultrasonic cleaning, take out after completing, dry inside and outside wall moisture；4) welded tube after cleaning takes out sends into heating room, at 30 50 minutes, the temperature in heating room is risen to 300 330 DEG C from 0 DEG C, keeps 30 50 minutes；5) welded tube after heating is sent in temperature-lowering room, send into cold wind from all directions immediately, after rapidly welded tube being cooled to room temperature；6) surface of welded pipe after cooling is carried out plasma treatment, then carry out electrostatic spraying anticorrosive paint, make surface of welded pipe form one layer of anticorrosive coat；7) being transferred in bakery by welded tube after spray coated, solidify 10～20 minutes, then natural cooling i.e. can get finished product.

Description

ERW process of surface treatment
Technical field
The present invention relates to coating process technical field, be specifically related to a kind of ERW process of surface treatment.
Background technology
ERW, the steel pipe being welded with hot rolling or cold-rolled steel sheet or steel coil strip carries out straight seam welding on welding equipment The pipe obtained all is ERW, (owing to the weld of steel pipe is in alignment so gaining the name).They are different according to purposes, have Different rear road production processes, the standard of ERW is GB/T3091-2008.
Steel pipes with straight is mainly used in public waterworks, petrochemical industry, chemical industry, power industry, agricultural filling at home Irrigate, urban construction.It is used as liquid to carry: feedwater, draining.It is used as gas to carry: coal gas, steam, liquefied petroleum gas.Make structure With: make pile driving pipe, make bridge；Harbour, road, building structure pipe etc..
It is bad that ERW surface antiseptisis technology in the market does, and directly influences the use longevity of ERW Life.
Summary of the invention
The technical problem to be solved is to provide a kind of method simple, it is possible to increase the straight weld of product quality Tube-surface processes technique.
The technical problem to be solved realizes by the following technical solutions:
A kind of ERW process of surface treatment, specifically comprises the following steps that
(1) welding completed and pass through the welded tube feeding humidity 100% being tempered, the environment of temperature 7-9 DEG C depositing 3-6 little Time, make surface of welded pipe rewetting, it is simple to follow-up cleaning；
(2) welded tube in step (1) is sent into preheating furnace and carry out the pre-heat treatment, preheat temperature temperature 120-135 DEG C, time 10-15 minute；
(3) welded tube after preheating in step (2) is sent into ultrasonic washing unit and carry out ultrasonic cleaning, take out after completing, dry Dry inside and outside wall moisture；
(4) welded tube after cleaning in step (3) takes out sends into heating room, by the temperature in heating room from 0 DEG C at 30-50 Minute rise to 300-330 DEG C, keep 30-50 minute, the surface attachment performance improving welded tube with this, improve follow-up spraying powder Cementability；
(5) welded tube after heating in step (4) is sent in temperature-lowering room, send into cold wind from all directions immediately, rapidly will After welded tube is cooled to room temperature；
(6) surface of welded pipe after cooling in step (5) is carried out plasma treatment, then carry out electrostatic spraying anticorrosion painting Material, makes surface of welded pipe form one layer of anticorrosive coat；Top layer adhesive force can be improved by plasma treatment, strengthen the viscous of anticorrosive paint Attached property；
(7) being transferred in bakery by welded tube after spray coated, solidify 10～20 minutes, then natural cooling is the most available Finished product.Pass through cured so that surface of welded pipe coating material melt, be adhering completely to surface of welded pipe, difficult drop-off.
In above-mentioned steps (4), preferably heat time heating time is 35 minutes.
In above-mentioned steps (7), preferably hardening time is 15 minutes.
Above-mentioned anti-corrosive powder paint is that the component by following weight is formulated: polyester resin 100g, mineral powder 5g, stone Ink alkene microplate 0.1g, sepiolite powder 1g, pigment 5g, nano titanium carbide 10g, selenium powder 0.5g, rare earth oxide 1g, firming agent 0.5g, wax powder 15g, levelling agent 0.5g, brightener 0.5g, zinc powder 5g, calcining wollastonite in powder 1g, modified starch 1g.By adding Rare earth oxide, nanoscale powder material etc., when being impacted, anticorrosive coat only can deform will not peeling off phenomenon, will not Lose etch-proof ability, can effectively extend the service life of welded tube.
The preparation method of above-mentioned anti-corrosive powder paint is as follows:
(1) by polyester resin, mineral powder, sepiolite powder, selenium powder, rare earth oxide, wax powder, zinc powder, calcining wollastonite Powder and modified starch are put in nylon ball grinder, continuous ball milling 4-6 hour, cross 180-200 eye mesh screen, collect and obtain mixed powder Stand-by；
(2) by mixed powder in mixing tank with graphene microchip, pigment, nano titanium carbide, firming agent, levelling agent and light Bright dose of abundant premixing, sends into extruder extrusion tabletting, obtains lamellar material after completing；
(3) lamellar material is pulverized, send in nylon ball grinder, continuous ball milling 4-6 hour, cross 400-600 eye mesh screen, collect Siftage obtains finished product anti-corrosive powder paint.
Described mineral powder selects azurite, potassium feldspar, malachite green, malachite, natural marine stone, hauynite, tourmaline and white One or both or two or more combination in Muscovitum.
Described graphene microchip is to generate graphitic carbon crystal, four of each carbon atom with the three-dimensional long crystalline substance of cellular fashion It is in bond firmly that valency electron all forms covalent bond, it is impossible to forms the electron stream of displacement, then cannot conduct electricity, stone after generation Ink carbon crystal utilizes the nano-milled mode of wet type, grinds with single direction and forms, and graphene microchip minimizing thickness is 5nm, stone Ink alkene microplate strengthens infrared radiation wavelength, and its wavelength peak-peak is in 7.5～9.5 μm.By adding Graphene in coating Microplate, it is possible to reduce surface of welded pipe resistivity, strengthen the degrees of fusion between each component simultaneously.
The invention has the beneficial effects as follows: Welded Pipe of the present invention uses special processing method, improve welded tube overall performance, make Welded tube has corrosion-resistant, impact resistance and wear-resisting effect.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot Close specific embodiment, the present invention is expanded on further.
Embodiment 1
A kind of ERW process of surface treatment, specifically comprises the following steps that
(1) welding completed and pass through the welded tube feeding humidity 100% being tempered, the environment of temperature 7-9 DEG C depositing 3-6 little Time, make surface of welded pipe rewetting, it is simple to follow-up cleaning；
(2) welded tube in step (1) is sent into preheating furnace and carry out the pre-heat treatment, preheat temperature temperature 120-135 DEG C, time 10-15 minute；
(3) welded tube after preheating in step (2) is sent into ultrasonic washing unit and carry out ultrasonic cleaning, take out after completing, dry Dry inside and outside wall moisture；
(4) welded tube after cleaning in step (3) takes out sends into heating room, by the temperature in heating room from 0 DEG C at 30-50 Minute rise to 300-330 DEG C, keep 30-50 minute, the surface attachment performance improving welded tube with this, improve follow-up spraying powder Cementability；
(5) welded tube after heating in step (4) is sent in temperature-lowering room, send into cold wind from all directions immediately, rapidly will After welded tube is cooled to room temperature；
(6) surface of welded pipe after cooling in step (5) is carried out plasma treatment, then carry out electrostatic spraying anticorrosion painting Material, makes surface of welded pipe form one layer of anticorrosive coat；Top layer adhesive force can be improved by plasma treatment, strengthen the viscous of anticorrosive paint Attached property；
(7) being transferred in bakery by welded tube after spray coated, solidify 10～20 minutes, then natural cooling is the most available Finished product.Pass through cured so that surface of welded pipe coating material melt, be adhering completely to surface of welded pipe, difficult drop-off.
Embodiment 2
A kind of ERW process of surface treatment, specifically comprises the following steps that
(1) welding completed and pass through the welded tube feeding humidity 100% being tempered, the environment that temperature is 8 DEG C depositing 3-6 little Time, make surface of welded pipe rewetting, it is simple to follow-up cleaning；
(2) welded tube in step (1) is sent into preheating furnace and carry out the pre-heat treatment, preheat temperature temperature 120-135 DEG C, time 10-15 minute；
(3) welded tube after preheating in step (2) is sent into ultrasonic washing unit and carry out ultrasonic cleaning, take out after completing, dry Dry inside and outside wall moisture；
(4) welded tube after cleaning in step (3) takes out sends into heating room, by the temperature in heating room from 0 DEG C at 30-50 Minute rise to 300-330 DEG C, keep 35 minutes, the surface attachment performance improving welded tube with this, improve follow-up spraying powder Cementability；
(5) welded tube after heating in step (4) is sent in temperature-lowering room, send into cold wind from all directions immediately, rapidly will After welded tube is cooled to room temperature；
(6) surface of welded pipe after cooling in step (5) is carried out plasma treatment, then carry out electrostatic spraying anticorrosion painting Material, makes surface of welded pipe form one layer of anticorrosive coat；Top layer adhesive force can be improved by plasma treatment, strengthen the viscous of anticorrosive paint Attached property；
(7) being transferred in bakery by welded tube after spray coated, solidify 15 minutes, then natural cooling i.e. can be become Product.Pass through cured so that surface of welded pipe coating material melt, be adhering completely to surface of welded pipe, difficult drop-off.
Above-mentioned anti-corrosive powder paint is that the component by following weight is formulated: polyester resin 100g, mineral powder 5g, stone Ink alkene microplate 0.1g, sepiolite powder 1g, pigment 5g, nano titanium carbide 10g, selenium powder 0.5g, rare earth oxide 1g, firming agent 0.5g, wax powder 15g, levelling agent 0.5g, brightener 0.5g, zinc powder 5g, calcining wollastonite in powder 1g, modified starch 1g；
The preparation method of above-mentioned anti-corrosive powder paint is as follows:
(1) by polyester resin, mineral powder, sepiolite powder, selenium powder, rare earth oxide, wax powder, zinc powder, calcining wollastonite Powder and modified starch are put in nylon ball grinder, continuous ball milling 4-6 hour, cross 180-200 eye mesh screen, collect and obtain mixed powder Stand-by；
(2) by mixed powder in mixing tank with graphene microchip, pigment, nano titanium carbide, firming agent, levelling agent and light Bright dose of abundant premixing, sends into extruder extrusion tabletting, obtains lamellar material after completing；
(3) lamellar material is pulverized, send in nylon ball grinder, continuous ball milling 4-6 hour, cross 400-600 eye mesh screen, collect Siftage obtains finished product anti-corrosive powder paint.
Described mineral powder selects azurite, potassium feldspar, malachite green, malachite, natural marine stone, hauynite, tourmaline and white One or both or two or more combination in Muscovitum.
Described graphene microchip is to generate graphitic carbon crystal, four of each carbon atom with the three-dimensional long crystalline substance of cellular fashion It is in bond firmly that valency electron all forms covalent bond, it is impossible to forms the electron stream of displacement, then cannot conduct electricity, stone after generation Ink carbon crystal utilizes the nano-milled mode of wet type, grinds with single direction and forms, and graphene microchip minimizing thickness is 5nm, stone Ink alkene microplate strengthens infrared radiation wavelength, and its wavelength peak-peak is in 7.5～9.5 μm.By adding Graphene in coating Microplate, it is possible to reduce surface of welded pipe resistivity, strengthen the degrees of fusion between each component simultaneously.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The technology of the industry Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and Equivalent defines.

Claims (4)

1. an ERW process of surface treatment, it is characterised in that specifically comprise the following steps that
(1) welding completed and pass through the welded tube feeding humidity 100% being tempered, the environment of temperature 7-9 DEG C deposits 3-6 hour；
(2) welded tube in step (1) is sent into preheating furnace and carry out the pre-heat treatment, preheat temperature temperature 120-135 DEG C, time 10-15 Minute；
(3) welded tube after preheating in step (2) is sent into ultrasonic washing unit and carry out ultrasonic cleaning, take out after completing, in drying Outer wall moisture；
(4) welded tube after cleaning in step (3) takes out sends into heating room, by the temperature in heating room from 0 DEG C at 30-50 minute Rise to 300-330 DEG C, keep 30-50 minute；
(5) welded tube after heating in step (4) is sent in temperature-lowering room, send into cold wind from all directions immediately, rapidly by welded tube After being cooled to room temperature；
(6) surface of welded pipe after cooling in step (5) is carried out plasma treatment, then carry out electrostatic spraying anticorrosive paint, make Surface of welded pipe forms one layer of anticorrosive coat；
(7) being transferred in bakery by welded tube after spray coated, solidify 10～20 minutes, then natural cooling i.e. can be become Product.
ERW process of surface treatment the most according to claim 1, it is characterised in that in above-mentioned steps (4) preferably Heat time heating time is 35 minutes.
ERW process of surface treatment the most according to claim 1, it is characterised in that in above-mentioned steps (7) preferably Hardening time is 15 minutes.
ERW process of surface treatment the most according to claim 1, it is characterised in that in above-mentioned steps (1) preferably Temperature is 8 DEG C.
CN201610502931.0A 2016-06-29 2016-06-29 ERW process of surface treatment Pending CN106111488A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107384149A (en) * 2017-08-01 2017-11-24 巢湖鹏远金属焊管有限公司 A kind of ERW rust preventive paint technique and its spray painting used
CN107446468A (en) * 2017-08-01 2017-12-08 巢湖鹏远金属焊管有限公司 A kind of acidproof lacquer spraying technique of ERW and its spray painting used

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN104194585A (en) * 2014-09-18 2014-12-10 周诚 Graphene-modified resin powder coating and production process thereof
CN105400387A (en) * 2015-12-17 2016-03-16 滁州市友邦涂装有限公司 Bending-resistant powder coating
CN105505142A (en) * 2015-12-17 2016-04-20 滁州市友邦涂装有限公司 Super-weatherability powder coating for electrostatic spraying
CN105602413A (en) * 2015-12-17 2016-05-25 滁州市友邦涂装有限公司 Metallic powder for powder electrostatic spraying

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104194585A (en) * 2014-09-18 2014-12-10 周诚 Graphene-modified resin powder coating and production process thereof
CN105400387A (en) * 2015-12-17 2016-03-16 滁州市友邦涂装有限公司 Bending-resistant powder coating
CN105505142A (en) * 2015-12-17 2016-04-20 滁州市友邦涂装有限公司 Super-weatherability powder coating for electrostatic spraying
CN105602413A (en) * 2015-12-17 2016-05-25 滁州市友邦涂装有限公司 Metallic powder for powder electrostatic spraying

Cited By (2)

* Cited by examiner, † Cited by third party
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CN107384149A (en) * 2017-08-01 2017-11-24 巢湖鹏远金属焊管有限公司 A kind of ERW rust preventive paint technique and its spray painting used
CN107446468A (en) * 2017-08-01 2017-12-08 巢湖鹏远金属焊管有限公司 A kind of acidproof lacquer spraying technique of ERW and its spray painting used

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Application publication date: 20161116