CN110004395A - The construction technology of anticorrosive composite coating of steel structure - Google Patents
The construction technology of anticorrosive composite coating of steel structure Download PDFInfo
- Publication number
- CN110004395A CN110004395A CN201711481974.6A CN201711481974A CN110004395A CN 110004395 A CN110004395 A CN 110004395A CN 201711481974 A CN201711481974 A CN 201711481974A CN 110004395 A CN110004395 A CN 110004395A
- Authority
- CN
- China
- Prior art keywords
- aluminium
- layer
- zinc
- spraying
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- 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
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
- C23C28/025—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only with at least one zinc-based layer
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/131—Wire arc spraying
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/18—After-treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Coating By Spraying Or Casting (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
The present invention provides a kind of construction technologies of anticorrosive composite coating of steel structure, including surface cleaning processing, derusting by sandblasting, electric arc zn spraying aluminium composite layer and Seal treatment.Electric arc zn spraying aluminium composite layer therein is using arc pistol, using electric arc as heat source, the linear zinc silk of purity >=99.5% is first heated to molten condition, the zinc of melting is blown out into mist with compressed air simultaneously, and form controlled particle stream, even application forms one layer of zinc layers in matrix surface, the linear aluminium wire of purity >=99.5% is heated to molten condition again, the aluminium of melting is blown out into mist with compressed air simultaneously, and form controlled particle stream, even application forms one layer of aluminium layer on zinc layers surface, and aluminium layer forms zinc-aluminium composite layer together with zinc layers.Using the construction technology of anticorrosive composite coating of steel structure of the invention, the binding force of corrosion-inhibiting coating and steel construction matrix is strong, averagely reaches 12.0MPa, is much higher than national standard, can achieve the purpose that long-effective corrosion and improve the appearance of structure.
Description
Technical field
The present invention relates to steel structure surface anti-corrosion more particularly to a kind of construction technologies of anticorrosive composite coating of steel structure.
Background technique
Expose the metal structure in field environment to the open air, surface easily occur chemistry and electrochemical action with ambient enviroment and
Corrosion.Therefore it needs to coat one layer of erosion resistant coating on its surface to protect metal structure ontology to be not rusted.But work as metal structure table
When the corrosion-inhibiting coating performance in face is poor and damaged, metal structure ontology can also be made to be exposed to outer and generate corrosion.Metal structure is built
Build generally large-scale permanent construction, service year limit for length, maintenance difficult, it is necessary to effective long-effective corrosion is carried out, to ensure to build
Build the service life of object.
For Aluminum Coating technology from 1970s since American invention, use scope is only limitted to Japan and west state
Family.Into the nineties, Aluminum Coating technology just initially enters China.The country introduces production line, material therefor since nineteen ninety-five
Formula belongs to patented technology, and raw material is by import and expensive.
Zinc-aluminium composite coating can give full play to the sacrificing protection effect of spelter coating and the Isolated Shield of aluminized coating acts on, suitably
The thickness for increasing composite coating, can be improved the reliability and service life of coating in the presence of a harsh environment.
Summary of the invention
The purpose of the present invention is just to provide for a kind of anticorrosive composite coating of steel structure using zinc-aluminium composite coating
Construction technology.Specific procedure of processing of the invention is carried out as follows:
In order to achieve the above object, the invention adopts the following technical scheme: a kind of construction work of anticorrosive composite coating of steel structure
Skill, including surface cleaning processing and derusting by sandblasting；Its main feature is that further including that electric arc zn spraying aluminium after derusting by sandblasting is arranged in is multiple
Close layer and Seal treatment；The electric arc zn spraying aluminium composite layer be using arc pistol, using electric arc as heat source, first by purity >=
99.5% linear zinc silk is heated to molten condition, while the zinc of melting is blown out mist with compressed air, and formed constrained
Particle stream, even application forms one layer of zinc layers in matrix surface, then the linear aluminium wire of purity >=99.5% is heated to melt
State, while the aluminium of melting is blown out into mist with compressed air, and form controlled particle stream, even application is on zinc layers surface
One layer of aluminium layer is formed, aluminium layer forms zinc-aluminium composite layer together with zinc layers；The Seal treatment is first on zinc-aluminium composite layer
After spray one of priming paint, at least one of intermediate coat finishing coat with together with.
The distance controlling of spray gun and matrix surface is in 150~200mm, spray angle when the described electric arc zn spraying aluminium composite layer
Control is spent at 60 degree -90, and the control of spray gun movement speed is in 300~400mm/s, and the conveying speed control of zinc silk and aluminium wire is 2.5
~4m/min；Arc voltage control is controlled in 100~300A, compressed air pressure 0.5 in 24~34V, arc current control
~0.6Mpa.
The zinc layers and aluminium layer are respectively adopted layering spraying and are formed, and spray spraying direction and the spraying later layer of preceding layer
Spraying direction form 45 degree to 90 degree of intersection；Total zinc coating thickness control is at 110 μm~130 μm, total aluminum layer thickness control
System is at 90 μm~110 μm；The thickness control of the zinc-aluminium composite layer formed after the completion of spraying is at 210 μm~230 μm, surface roughness
Control is in Rz30~90 μm.
The derusting by sandblasting uses band corner angle steel sand, and the control of sand grains size is in 0.5-2.0mm, the control of sandblasting gas pressure
In 0.50-0.60MPa, sandblasting distance controlling is spent in 100-200mm, the control of sandblasting angle at 70 degree -80.
Priming paint, intermediate coat and the finishing coat is respectively adopted high pressure airless spraying apparatus and is sprayed, base coat thickness control
At 18-22 μm, intermediate coat thickness control is at 110-130 μm, and finishing coat thickness control is at 90-110 μm.
Using the construction technology of anticorrosive composite coating of steel structure of the invention, the combination of corrosion-inhibiting coating and steel construction matrix
Power is strong, averagely reaches 12.0Mpa, is much higher than national standard, can achieve the purpose that long-effective corrosion and improve the outer of structure
It sees, service life was up to 80 years or more.
Specific embodiment
The specific implementation step of the construction technology of anticorrosive composite coating of steel structure of the present invention is as follows:
Step 1: the preparation stage
Preparation including investigation and construction equipment to construction environment and project scale etc..
Step 2: surface cleaning is handled
The appearance for first checking for steel structure surface has overlap, splash, pin hole, overlap and the lofty, welding slag of burr etc. to surface,
Polishing cleaning is carried out, sharp corner is processed into the fillet of radius 2mm or more；Matrix is removed with cleanings such as detergent or solvents
Grease, grease, soluble-salt, rust, the oxide skin on surface etc. and other dirts.Surface treatment quality reaches drying, free from dust, nothing
Grease, without dirt, without rust staining and other pollutions including solubility salt, reach GB11373-89 code requirement.
Step 3: derusting by sandblasting
Sand-blasting abrasive uses band corner angle steel sand.For sand grains size in 0.5-2.0mm, moisture content is and clean less than 1%, meets
GB11373-89 regulation (recycling sand will be cleaned, dries, be screened).
The compressed air that sandblasting uses must keep cleaning and drying, air compressor machine will be equipped with dehumidifying, oil removing cleaning equipment, sprays
Sandblasting gas pressure is kept to stablize during sand, substantially in 0.5-0.60MPa.Sandblasting distance is generally kept at 100-200mm model
In enclosing.Sandblasting angle should be maintained at the best sandblasting level of 70 degree of -80 degree, and matrix roughness should increase with the increase of sandblasting angle
Greatly.Derusting by sandblasting reaches Sa2.5 grades, and surface cleanness reaches Sa2.5 grades, and roughness reaches Rz40-80 μm, and steel sand particle is optional
0.5-2.0mm size.Reach GB8923-88 standard.Sandblasting environmental requirement relative humidity is less than or equal to 80%, and outdoor is forbidden in rain
The weather operations such as snow, moisture condensation.Sandblasting environment temperature is higher than 5 DEG C, and basal plane actual temperature is higher than 5 DEG C of dew-point temperature.
Sandblasting quality testing is measured using 223 numeric type surface roughness measuring instruments.Derusting by sandblasting effect reaches
Without rusty stain, without dirt, non-scale, without grease grease, free from dust and other pollutions, uniform greyish white coloured gold is presented in matrix surface
Belong to gloss.
Step 4: 210-230 μm of electric arc zn spraying aluminium composite layer (wherein 110-130 μm of zinc layers, 90-110 μm of aluminium layer)
Enter workshop after sandblasting and clear up steel sand, blows off steel construction working surface dust with compressed air, then start dedusting
Device, to being dusted purification in workshop.
The construction of electric arc zn spraying aluminium composite layer is carried out after steel construction matrix surface blasting treatment as early as possible, interval time is no more than
5h should be further reduced sandblasting and electric arc zn spraying aluminium composite layer time interval when relative humidity increases.Outdoor spraying is forbidden in rain
The weather such as snow or moisture condensation descend to carry out.Matrix surface should clean drying, free from dust, without grease, without dirt, matrix surface temperature is at least
3 DEG C higher than dew-point temperature or more.
Linear zinc silk, the aluminium wire of spraying, >=99.5%, gauge or diameter of wire specification is smooth clean on surface, nothing for purity
Scrapings, notch, serious twist and warping and kink, non-oxidation, without grease or other pollutions.Material reaches GB3190-96 standard.
The arc voltage of electric arc zn spraying aluminium composite layer is controlled in 24-34V, and current control is in 100-300A.Guaranteeing to safeguard
Under the premise of arc stability burns, arc voltage is suitably controlled in reduced levels, to prevent coating quality from reducing and reduce
Power supply waste；According to the diameter of zinc-aluminium silk with for silk speed, arc current is adjusted；To improve spray efficiency, stomata is reduced
Rate
With oxide content, coating quality is improved, when spraying can keep high operating ampere level.Compressed air pressure should be maintained at
0.5-0.6MPa.It is equipped with the oil removings such as air cleaner, dehumidifying cleaning equipment, gases used drying and not oily.Electric arc spraying
When spray gun and steel construction matrix surface angle control at 60 degree to 90 degree, distance is generally kept within the scope of 150-200mm, spray gun
Uniform movement speed is 2.5-4m/min in 300-400mm/s, the conveying speed of zinc-aluminium silk.Spraying zinc, aluminium layer are using layering spray
It applies, the spraying direction of preceding layer and later layer must be crossed as 45 degree of -90 degree, to guarantee the uniform and high-adhesion of coating.Spray
Coating Surface Roughness is generally between Rz30-90 μm after the completion of zinc, aluminium.During spray zinc-aluminium, it should be noted that steel structure surface
Temperature conditions, matrix surface temperature must not exceed 200 DEG C in arc spray process.Environment temperature should be wet in 5 DEG C of 35 DEG C of < t <
Degree is less than 80%.
Welding position should be reserved in steel construction processing factory when electric arc spraying anticorrosive construction, width 50mm is reserved in every side, and
It is pasted and is protected with adhesive tape.
Step 5: quality testing
Including visual examination, thickness check and anchoring strength of coating (binding force).
Visual examination requirement zinc, aluminum metal layer particle is fine and closely woven, thickness is uniform, must not have solid impurity, bubble, hole, split
Seam etc..
Thickness check is provided according to GB/T9793-87, GB4956-85 etc..Coating layer thickness is detected using magnetic thickness tester, often
100 square metres of measurements, 10 points, measuring point are random.(metallographic method measurement can also be used).
Porosity inspection uses chemical reaction method: cleaning and is dried coating surface first, then be soaked with 10 grams/
The filter paper for rising potassium cyanide and 20 grams per liter sodium chloride solutions is covered in spray coating 5-10 minutes, and whether observation filter paper locus coeruleus occurs
Point；Area of detection should not be less than the 3% of the gross area, carry out according to SJ1280 standard.
Bond strength detection is carried out according to GB9794-88, GB8642-86 standard and regulation, in general coating binding force
It should be greater than 9.8Mpa.
Step 6: Seal treatment (20 μm together of spraying closing corrosion resistant primer, 120 μm of epoxy micaceous iron coating intermediate coat twice,
Apply 100 μm together of polyurethane finishing coat)
After spraying zinc, aluminium (coated porous gap), seal coat is brushed in time.Time interval must not exceed 5h.
After Seal treatment, should there is certain curing time, guarantee coating do solid work, without holiday, no sag, without be bubbled, nothing
Impurity is polluted, thickness, adhesive force meet the requirements.
Step 7: quality testing
Including (see the 5th steps) such as visual examination, thickness check and anchoring strength of coating (bonding force).
Step 8: site clearing, completion
Capital equipment used in present invention process includes: air compressor machine, spray gun, oil water separator, ventilation equipment, power supply, high pressure
Airless sprayer, dehumidifier, air blower, blender, viscosimeter, dry humidity instrument, calibrator, adhesive force detection instrument and air
Purification device etc..
The binding force for adopting the composite coating and steel construction matrix being obtained by the present invention averagely can reach 12.0Mpa,
Higher than national standard, service life reaches 80 years or more.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, the art
Those of ordinary skill, within the essential scope of the present invention, the variations, modifications, additions or substitutions made all should belong to the present invention
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, described in above embodiments and description
Merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention, the present invention also has various change
And improvement, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended
Claims and its equivalent thereof.
Claims (5)
1. a kind of construction technology of anticorrosive composite coating of steel structure, including surface cleaning processing and derusting by sandblasting；It is characterized by:
It further include electric arc zn spraying aluminium composite layer and the Seal treatment after derusting by sandblasting is set；The electric arc zn spraying aluminium composite layer is
Using arc pistol, using electric arc as heat source, the linear zinc silk of purity >=99.5% is first heated to molten condition, while with compression
The zinc of melting is blown out mist by air, and forms controlled particle stream, and even application forms one layer of zinc layers in matrix surface, then
The linear aluminium wire of purity >=99.5% is heated to molten condition, while the aluminium of melting is blown out into mist, and shape with compressed air
At controlled particle stream, even application forms one layer of aluminium layer on zinc layers surface, and aluminium layer forms zinc-aluminium composite layer together with zinc layers；
The Seal treatment is that one of priming paint, at least one of intermediate coat finishing coat with together with are successively sprayed on zinc-aluminium composite layer.
2. the construction technology of anticorrosive composite coating of steel structure as described in claim 1, it is characterised in that: the electric arc zn spraying
The distance controlling of spray gun and matrix surface is spent in 150~200mm, spray angle control at 60 degree -90 when aluminium composite layer, and spray gun moves
Dynamic speed control is in 300~400mm/s, and the conveying speed control of zinc silk and aluminium wire is in 2.5~4m/min；Arc voltage control exists
24~34V, arc current control are controlled in 100~300A, compressed air pressure in 0.5~0.6Mpa.
3. the construction technology of anticorrosive composite coating of steel structure as described in claim 1, it is characterised in that: the zinc layers and aluminium
Layer is respectively adopted layering spraying and is formed, and the spraying direction for spraying preceding layer and the spraying direction for spraying later layer form 45 degree to 90
The intersection of degree；Total zinc coating thickness is controlled at 110 μm~130 μm, and total aluminum layer thickness is controlled at 90 μm~110 μm；It has sprayed
At rear formation zinc-aluminium composite layer thickness control at 210 μm~230 μm, surface roughness is controlled in Rz30~90 μm.
4. the construction technology of anticorrosive composite coating of steel structure as described in claim 1, it is characterised in that: the derusting by sandblasting
Using band corner angle steel sand, the control of sand grains size in 0.5-2.0mm, the control of sandblasting gas pressure in 0.50-0.60MPa, sandblasting away from
From control in 100-200mm, the control of sandblasting angle is spent at 70 degree -80.
5. the construction technology of anticorrosive composite coating of steel structure as described in claim 1, it is characterised in that: the priming paint, in
Between paint and finishing coat high pressure airless spraying apparatus be respectively adopted sprayed, base coat thickness control is at 18-22 μm, intermediate coat thickness control
System is at 110-130 μm, and finishing coat thickness control is at 90-110 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481974.6A CN110004395A (en) | 2017-12-29 | 2017-12-29 | The construction technology of anticorrosive composite coating of steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481974.6A CN110004395A (en) | 2017-12-29 | 2017-12-29 | The construction technology of anticorrosive composite coating of steel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110004395A true CN110004395A (en) | 2019-07-12 |
Family
ID=67164084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711481974.6A Pending CN110004395A (en) | 2017-12-29 | 2017-12-29 | The construction technology of anticorrosive composite coating of steel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110004395A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607505A (en) * | 2019-10-31 | 2019-12-24 | 苏州市三同真空镀膜有限公司 | Method for coating mobile phone rear cover with color gradient |
| CN111074196A (en) * | 2019-12-05 | 2020-04-28 | 江苏吉鑫风能科技股份有限公司 | Cathode protection spraying process for offshore wind power equipment and cathode protection coating |
-
2017
- 2017-12-29 CN CN201711481974.6A patent/CN110004395A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607505A (en) * | 2019-10-31 | 2019-12-24 | 苏州市三同真空镀膜有限公司 | Method for coating mobile phone rear cover with color gradient |
| CN111074196A (en) * | 2019-12-05 | 2020-04-28 | 江苏吉鑫风能科技股份有限公司 | Cathode protection spraying process for offshore wind power equipment and cathode protection coating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105256268A (en) | Construction process for anticorrosion composite coating of steel structure | |
| CN102154610A (en) | Construction technology for anticorrosive composite coating of steel structure | |
| CN106811716A (en) | The construction technology of anticorrosive composite coating of steel structure | |
| CN104073757B (en) | Strengthen the method for ocean structure steel resistance to corrosion fatigue performance | |
| CN102211083B (en) | Automatic coating process of composite coating of large-size steel pipe | |
| CN102154608A (en) | Steel structure anti-corrosion process | |
| CN104895479B (en) | A kind of method using galvanizing electrostatic plastic spraying tubular object extruding to produce electric extendable door | |
| CN110004395A (en) | The construction technology of anticorrosive composite coating of steel structure | |
| CN104214469B (en) | Ductile iron pipe outside surface anticorrosion erosion treatment process | |
| CN110586443A (en) | Novel onshore corrosion prevention process for wind power tower cylinder | |
| CN112159947A (en) | Electric arc spraying method | |
| CN112981302A (en) | Site construction process of steel structure anticorrosion composite coating in south sea atmospheric environment | |
| CN105586561A (en) | Steel structure anti-corrosion process | |
| CN112403866A (en) | Surface treatment method for anti-corrosion steel beam component and anti-corrosion steel beam component | |
| CN102211080A (en) | Anticorrosion method of composite coating positioned on surface of steel structure | |
| CN109988990A (en) | The construction technology of anticorrosive composite coating of steel structure | |
| CN105331923A (en) | Steel structure anticorrosive process | |
| CN105331924A (en) | Corrosion resistance technology of steel structure | |
| CN107127124A (en) | New outside plate IB ice formations paint application technique | |
| CN1904125A (en) | Large power electric arc hot spray coating method of zinc aluminium false alloy | |
| CN110004397A (en) | Steel structure anti-corrosion process | |
| CN110385247A (en) | A kind of cigarette air channel barrier door nanometer heavy antisepsis technique | |
| CN109692796A (en) | A kind of spraying process of rigid arch rib | |
| CN110340789A (en) | A kind of preparation process of stainless steel power distribution cabinet self-cleaning surface | |
| CN110004396A (en) | A kind of steel structure anti-corrosion process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190712 |