CN106903029A - A kind of steel construction and equipment paint renovation coating process - Google Patents
A kind of steel construction and equipment paint renovation coating process Download PDFInfo
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- CN106903029A CN106903029A CN201710206458.6A CN201710206458A CN106903029A CN 106903029 A CN106903029 A CN 106903029A CN 201710206458 A CN201710206458 A CN 201710206458A CN 106903029 A CN106903029 A CN 106903029A
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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
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- 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
- B05D3/10—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 other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- 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
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/544—No clear coat specified the first layer is let to dry at least partially before applying the second layer
-
- 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
- B05D2350/00—Pretreatment of the substrate
- B05D2350/60—Adding a layer before coating
-
- 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
- B05D2451/00—Type of carrier, type of coating (Multilayers)
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of steel construction and equipment paint renovation coating process, comprise the following steps：（1）Steel basal plane is cleared up：With the instrument such as mild steel wire brush or spherical steel wire mill, old lacquer painting is made an overall screening, remove the loose attachments such as coat of paint, scale crust, the silt dug, the lacquer painting of remaining good attachment, powder rust need not be cleared up.If locally there is greasy dirt on surface, dips in kerosene with cotton yarn and wipe.（2）Turn rusty gold just to eliminate rust：Directly applied on the mixed surface deposited of paint rust and turned rusty gold just, normal temperature（20℃）Lower 1 hour or so, red iron rust was to be converted and formed close polymeric aluminum ferrophosphorus black anti-rust film layer, and the old lacquer painting of good attachment is not affected then.（3）Apply corresponding paint：Using paint species corresponding with former paint, spray, rolling or brushing are turning the just processed surface of rusty gold through above-mentioned；It is anticipated that the anticorrosion time limit, selection bottom, in, finish paint or bottom, the coat system of the supporting composition of finish paint, to meet anticorrosion requirement.
Description
Technical field
The invention belongs to steel construction and equipment painting anticorrosion erosion field, and in particular to one kind paint renovation coating process side
Method, it is adaptable to all kinds of steel structures such as bridge, factory building, pylon, tank body, pipeline, equipment etc..
Background technology
, by the rapid growth of 30 years, steel structures are throughout all parts of the country for China's economy：The row of port and pier hang and
Sheet of container, the steel-structure factory building and equipment of each surrounding city industrial area, the tank body and oil-gas pipeline of petroleum and petrochemical industry,
The steel tower frame and equipment of firepower electric power wind-power hydraulic equal energy source industry, the steel construction on high ferro motor-car goods train and railway line
Etc., these steel constructs have subsequently entered the oil paint coating renovation maintenance phase by use for many years.Due to the spray of large-scale ball blast
Sand equipment cannot have been applied in the steel construct built up, and paint renovation safeguards to be essentially all by the way of manual polishing
Rust cleaning.On the one hand, manually eliminating rust, it is cleared to be difficult to, and the inherent quality for causing paint to renovate declines；On the other hand, substantial amounts of angle,
Slit position cannot manually polish, Steel Thin-Wall such as color steel tile etc., and polished through angle grinder after corrosion easily causes perforation destruction again,
Such problem, is the problem of generally existing in steel construction and equipment paint renovation maintenance.
Turn rusty gold and just turn rust antirust aqueous functional paint as a kind of（See patent of invention ZL2007 1 0050532.6）Very
Above problem is solved well.Its outstanding feature is directly to be coated on the mixed surface deposited of paint rust, neither influences good attachment
Old paint, can be partially converted into polymeric aluminum ferrophosphorus antirust film layer by corrosion again.As paint filler, can not only strengthen the anti-of paint
Corrosive power, moreover it is possible to supporting with various metallic anti-rust paints, while also solving the dust pollution that manual polishing is caused with sandblasting.This
Outward, in oil depot, flammable chemical gases and the solvent storehouse for forbidding Mars, steel storage tank paint renovation therein is safeguarded, using a turn rust
The almost ideal selection of Buddha's warrior attendant rust cleaning.Therefore, the paint renovation dimension that the firm application of rusty gold is transformed and upgraded traditional is turned
Maintaining method, with advantageous advantage.All kinds of steel constructions by last decade in hundreds thousand of square metres of developed area safeguard work
Explorative research in journey, has formd the process of complete mature.
The content of the invention
Therefore, in order to solve above-mentioned deficiency, the present invention provides a kind of steel construction and equipment paint renovation coating process herein,
Realize that the technical scheme of the method is comprised the following steps：
The present invention is achieved in that a kind of steel construction of construction and equipment paint renovation coating process, it is characterised in that：Including with
Lower step：
（1）Steel basal plane is cleared up：With the instrument such as mild steel wire brush or spherical steel wire mill, old lacquer painting is made an overall screening, remove what is dug
The loose attachment such as coat of paint, scale crust, silt, the lacquer painting of remaining good attachment, powder rust need not be cleared up；If locally there is greasy dirt on surface,
Kerosene is dipped in cotton yarn to wipe；
（2）Turn rusty gold just to eliminate rust：Directly applied on the mixed surface deposited of paint rust and turned rusty gold just, normal temperature（20℃）It is lower 1 hour or so, red
The iron rust of color is to be converted and formed close polymeric aluminum ferrophosphorus black anti-rust film layer, and the old lacquer painting of good attachment is not then by any
Influence；
（3）Apply corresponding paint：Using paint species corresponding with former paint, spray, rolling or brushing are just processed through the above-mentioned rusty gold that turns
The surface crossed；It is anticipated that the anticorrosion time limit, selection bottom, in, finish paint or bottom, the coat system of the supporting composition of finish paint, with full
Sufficient anticorrosion requirement.
According to a kind of steel construction of the present invention and equipment paint renovation coating process, it is characterised in that：The method is constructed
Environmental condition is as follows：
（1）5 DEG C -50 DEG C of construction environment temperature.Below relative humidity 95%, steel surface temperature is more than 5 DEG C, and steel surface
Temperature is higher than at least 3 DEG C measured of dew point；
（2）Drying should be kept by construction body surface, condensation is not allow for.Meeting rain, mist, snow, high wind weather should stop outdoor painting
Dress.
According to a kind of steel construction of the present invention and equipment paint renovation coating process, it is characterised in that：Old paint surface is clear
Reason is as follows：
（1）With spherical wire brush plucking surface, while removing the loose attachments such as old coat of paint, scale crust, the silt dug；It is remaining
Powder rust and good attachment old lacquer painting without remove；
（2）As locally there is greasy dirt on surface, kerosene or paint thinner erasing can be dipped in cotton yarn.Painting turn rusty gold it is firm before, keep
Dry tack free.
According to a kind of steel construction of the present invention and equipment paint renovation coating process, it is characterised in that：Turn rusty gold just to remove
Rust is as follows：
（1）Turning the firm application of rusty gold can be using brushing method, manual roll coating process, air spray finishing and airless spraying method；
（2）Apply one time, but rusty scale should be made to reach complete wet degree, thickness rust overbrushing, thin rust is applied less；Brushing excessively causes to drop down
When product, sagging, can be wiped with cotton yarn；
（3）Upright steel structure is preferably applied from the top down, prosposition and when facing upward or so or front and rear is applied.
（4）If there is holiday, or the local rust that turns is not thorough caused by rust is too thick, can be within 0.5 hour（Before surface drying）Mend
Apply；
（5）Drying time：In well-ventilated（Outdoor or air circulates naturally）Under conditions of, the rusty gold that turns of full wet condition is just applied
Layer：
Surface drying：Under normal temperature（20℃）Reach surface drying later within 1 hour（Field experience is judged as：Red iron rust is transformed into grey black
Film layer, and tack-free finger）.Surface drying time is referred to：After spring, 0.5-1 hours two season of summer, after autumn, 1-2 hours two season of winter；
Do solid work：It is fully cured later within 22 hours；
（6）Primer painting is spaced：After surface drying；Such as need to obtain best adhesion, then should be carried out after conversion film is done solid work
Primer painting；
（7）Turn rusty gold and just belonged to aqueous paint, without dilution, the instrument of application can be cleaned with clear water, and cleaning is finished, and should thoroughly be dried
Rear can be used；
（8）The treatment of unusual condition：
1. turn the firm coating of rusty gold to occur highlighting, because brushed again after surface drying or drenched with rain or steel surface has alkaline matter etc. to cause
's.Highlighting position can remove surface efflorescence layer with sand paper plucking, not influence mopping；
2. conversion film surface is before priming paint is applied, it should be noted that keep cleaning, such as because dropping down product, the bubbling caused by sagging, should use and beat
The modes such as mill, plucking are removed, so that priming paint obtains good adhesive force.
According to a kind of steel construction of the present invention and equipment paint renovation coating process, it is characterised in that：Apply corresponding oil
Paint is as follows：
（1）For avoid paint it is incompatible cause to wrinkle, stung, come off problem, priming paint should be selected and paint compatible paint kind with former
Class.Oil paint can be used with water paint；
（2）In the application paint vehicle directly on a surface that previous step is handled well；Paint vehicle construction can use airless spraying, and can also use has
Gas blowout is applied, brushed or roller coating.Coating layer thickness should be uniform, must not holiday or painting by mistake；
（3）According to expected anticorrosion time limit requirement selection coat system, can be by priming coat, inter coat, finishing coat or primary coat
Layer, the supporting composition of finishing coat.Applying interlayer should be combined with each other well, with compatibility；
（4）Coating should have appropriate time to be spaced with the recoating construction of coating, and interval time should be determined by the requirement of product description；
To the structural elements in high humidity working environment, preferably strengthen protection, and component surface should be avoided to condense；
（5）After application terminates, coating should the natural curing in the environment of aeration-drying, curing temperature is not lower than 5oC, during maintenance
Between in normal temperature（20℃）Under should not be less than 7d；
（6）Quality examination：The thickness of coating should the uniform, number of plies and thickness should meet design code；Coating should be smooth, color
Uniformity, without general rust, cracking, peeling, without the defect such as obvious bubble and sagging.
The invention has the advantages that：A kind of steel construction and equipment paint renovation coating process, are applied with turning rust antirust function
Agent, for example, turned rusty gold just, substitutes manual polishing rust cleaning.Old coat of paint, scale crust, the silt dug simply is being cleaned out with steel wire ball brush
In the case of, will turn that rusty gold is upright and outspoken to be connect（Spray, rolling, brush）It is coated in the mixed steel construction deposited of paint rust and equipment surface, normal temperature（20℃）Lower 1
Hour or so, red iron rust is to be converted and formed close polymeric aluminum ferrophosphorus black anti-rust film layer, and the old paint of good attachment
Face is not affected then.
On the surface that previous step is handled well, oil paint coating is directly carried out.According to corrosive environment and expected anticorrosion year
Limit, select different bottoms, in, finish paint or bottom, the coat system of the supporting composition of finish paint, to meet anticorrosion requirement.Formed
Black anti-rust conversion film and steel construction and the conventional all kinds of antirust paints of equipment can be supporting well, in the absence of wrinkling, stung, take off
Fall phenomenon.Also can be supporting with water paint, the coating and retreading method as environmental protection.
Specific embodiment
The present invention is described in detail below, and the technical scheme in the embodiment of the present invention is carried out clearly and completely
Description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
The present invention provides a kind of steel construction and equipment paint renovation coating process herein by improving, to turn rust antirust function
Paint, for example, turned rusty gold just, substitutes manual polishing rust cleaning.Old coat of paint, scale crust, the mud dug simply is being cleaned out with steel wire ball brush
In the case of sand, will turn that rusty gold is upright and outspoken to be connect（Spray, rolling, brush）It is coated in the mixed steel construction deposited of paint rust and equipment surface, normal temperature（20℃）
Lower 1 hour or so, red iron rust was to be converted and formed close polymeric aluminum ferrophosphorus black anti-rust film layer, and good attachment is old
Lacquer painting is not affected then.
On the surface that previous step is handled well, oil paint coating is directly carried out.According to corrosive environment and expected anticorrosion year
Limit, select different bottoms, in, finish paint or bottom, the coat system of the supporting composition of finish paint, to meet anticorrosion requirement.Formed
Black anti-rust conversion film and steel construction and the conventional all kinds of antirust paints of equipment can be supporting well, in the absence of wrinkling, stung, take off
Fall phenomenon.Also can be supporting with water paint, the coating and retreading method as environmental protection.
Various anti-corrosion materials and instrument can be commercially available by market needed for of the invention.
Embodiment 1
Four steel construction Standard Factory Room paint renovations of Distributions in Liaocheng of Shandong Province.
1st, by the content of the invention the 2nd article carry out the old paint removing surface of steel-structure factory building.
2nd, turn rusty gold by the 3rd article of application of the content of the invention just to eliminate rust, red iron rust normal temperature is converted into black in lower 1 hour or so
Antirust film layer, and reach surface drying or do solid work.
3rd, the road alcohol acid rust-inhibiting primer of surface direct spraying 2 handled well in previous step, thickness 60um；2 roads are sprayed again after dry
Alkyd finish 60um.Total coating thickness is 120um.
4th, come into operation after natural curing 7d under aeration-drying environment.Environment temperature is higher than 5oC during maintenance.
Embodiment 2
Chengdu municipal administration steel construction facility paint renovation is safeguarded.
1st, by the content of the invention the 2nd article carry out the old paint removing surface of steel construction facility.
2nd, turn rusty gold by the 3rd article of application of the content of the invention just to eliminate rust, red iron rust normal temperature is converted into black in lower 1 hour or so
Antirust film layer, and reach surface drying or do solid work.
3rd, the road epoxy anti-corrosive primer of surface direct spraying 2 handled well in previous step, thickness 60um；2 roads are sprayed again after dry
Polyurethane finish 60um.Total coating thickness is 120um.
4th, come into operation after natural curing 7d under aeration-drying environment.Environment temperature is higher than 5oC during maintenance.
Embodiment 3
Anhui highway viaduct, the steel box-girder paint renovation of viaduct inside are safeguarded.
1st, the old paint removing surface in steel box-girder inside is carried out by the 2nd article of the content of the invention.
2nd, turn rusty gold by the 3rd article of brushing of the content of the invention just to eliminate rust, red iron rust normal temperature is converted into black in lower 1 hour or so
Antirust film layer, and reach surface drying or do solid work.
3rd, 2 road alcohol acid rust-inhibiting primers, thickness 60um are directly brushed in the surface handled well in previous step；2 roads are sprayed again after dry
Alkyd finish 60um.Total coating thickness is 120um.
4th, spontaneously dried under conditions of ventilation.
Embodiment 4
Chongqing oil depot oil storage tank inside and outside wall paint renovation maintenance, forbids Mars.
1st, by the content of the invention the 2nd article carry out the old paint removing surface of oil storage tank inside and outside wall.
2nd, turn rusty gold by the 3rd article of roller coating of the content of the invention just to eliminate rust, red iron rust normal temperature is converted into black in lower 1 hour or so
Antirust film layer, and reach surface drying or do solid work.
3rd, 2 road acrylic acid rust-inhibiting primers, thickness 80um are directly brushed in the surface handled well in previous step；2 are sprayed again after dry
Road polyurethane finish 80um.Total coating thickness is 160um.
4th, come into operation after natural curing 7d under aeration-drying environment.Environment temperature is higher than 5oC during maintenance.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (5)
1. a kind of steel construction and equipment paint renovate coating process, it is characterised in that：Comprise the following steps：
（1）Steel basal plane is cleared up：With the instrument such as mild steel wire brush or spherical steel wire mill, old lacquer painting is made an overall screening, remove what is dug
The loose attachment such as coat of paint, scale crust, silt, the lacquer painting of remaining good attachment, powder rust need not be cleared up；If locally there is greasy dirt on surface,
Kerosene is dipped in cotton yarn to wipe；
（2）Turn rusty gold just to eliminate rust：Directly applied on the mixed surface deposited of paint rust and turned rusty gold just, normal temperature（20℃）It is lower 1 hour or so, red
The iron rust of color is to be converted and formed close polymeric aluminum ferrophosphorus black anti-rust film layer, and the old lacquer painting of good attachment is not then by any
Influence；
（3）Apply corresponding paint：Using paint species corresponding with former paint, spray, rolling or brushing are just processed through the above-mentioned rusty gold that turns
The surface crossed；It is anticipated that the anticorrosion time limit, selection bottom, in, finish paint or bottom, the coat system of the supporting composition of finish paint, with full
Sufficient anticorrosion requirement.
2. a kind of steel construction and equipment paint renovate coating process according to claim 1, it is characterised in that：The method is constructed
Environmental condition is as follows：
（1）5 DEG C -50 DEG C of construction environment temperature；Below relative humidity 95%, steel surface temperature is more than 5 DEG C, and steel surface
Temperature is higher than at least 3 DEG C measured of dew point；
（2）Drying should be kept by construction body surface, condensation is not allow for；Meeting rain, mist, snow, high wind weather should stop outdoor painting
Dress.
3. a kind of steel construction and equipment paint renovate coating process according to claim 1, it is characterised in that：Old paint surface is clear
Reason is as follows：
（1）With spherical wire brush plucking surface, while removing the loose attachments such as old coat of paint, scale crust, the silt dug；It is remaining
Powder rust and good attachment old lacquer painting without remove；
（2）As locally there is greasy dirt on surface, dip in kerosene with cotton yarn or paint thinner is wiped；Painting turn rusty gold it is firm before, keep table
Face dries.
4. a kind of steel construction and equipment paint renovate coating process according to claim 1, it is characterised in that：Turn rusty gold just to remove
Rust is as follows：
（1）Turning the firm application of rusty gold can be using brushing method, manual roll coating process, air spray finishing and airless spraying method；
（2）Apply one time, but rusty scale should be made to reach complete wet degree, thickness rust overbrushing, thin rust is applied less；Brushing excessively causes to drop down
When product, sagging, wiped with cotton yarn；
（3）Upright steel structure is preferably applied from the top down, prosposition and when facing upward or so or front and rear is applied；
（4）If there is holiday, or the local rust that turns is not thorough caused by rust is too thick, within 0.5 hour, coating before surface drying；
（5）Drying time：Under conditions of well-ventilated, full wet condition turns the firm coating of rusty gold：
Surface drying：Under normal temperature（20℃）Reach surface drying later within 1 hour, field experience is judged as：Red iron rust is transformed into grey black
Film layer, and tack-free finger；Surface drying time is referred to：After spring, 0.5-1 hours two season of summer, after autumn, 1-2 hours two season of winter；
Do solid work：It is fully cured later within 22 hours；
Primer painting is spaced：After surface drying；Such as need to obtain best adhesion, then priming paint should be carried out after conversion film is done solid work
Application；
Turn rusty gold and just belonged to aqueous paint, without dilution, the instrument of application can be cleaned with clear water, and cleaning is finished, after should thoroughly drying
Can use；
（8）The treatment of unusual condition：
1. turn the firm coating of rusty gold to occur highlighting, because brushed again after surface drying or drenched with rain or steel surface has alkaline matter etc. to cause
's；
Highlighting position can remove surface efflorescence layer with sand paper plucking, not influence mopping；
2. conversion film surface is before priming paint is applied, it should be noted that keep cleaning, such as because dropping down product, the bubbling caused by sagging, should use and beat
The modes such as mill, plucking are removed, so that priming paint obtains good adhesive force.
5. a kind of steel construction and equipment paint renovate coating process according to claim 1, it is characterised in that：Apply corresponding oil
Paint is as follows：
（1）For avoid paint it is incompatible cause to wrinkle, stung, come off problem, priming paint should be selected and paint compatible paint kind with former
Class；Oil paint can be used with water paint；
（2）In the application paint vehicle directly on a surface that previous step is handled well；Paint vehicle construction can use airless spraying, and can also use has
Gas blowout is applied, brushed or roller coating；Coating layer thickness should be uniform, must not holiday or painting by mistake；
（3）According to expected anticorrosion time limit requirement selection coat system, can be by priming coat, inter coat, finishing coat or primary coat
Layer, the supporting composition of finishing coat；Applying interlayer should be combined with each other well, with compatibility；
（4）Coating should have appropriate time to be spaced with the recoating construction of coating, and interval time should determine on request；To high humidity building ring
Structural elements in border, preferably strengthens protection, and component surface should be avoided to condense；
（5）After application terminates, coating should the natural curing in the environment of aeration-drying, curing temperature should not be low
In 5oC, curing time is in normal temperature（20℃）Under should not be less than 7d；
（6）Quality examination：The thickness of coating should the uniform, number of plies and thickness should meet design code；Coating should be smooth, color
Uniformity, without general rust, cracking, peeling, without the defect such as obvious bubble and sagging.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486382A (en) * | 2017-08-18 | 2017-12-19 | 北京鑫瑞基能源科技有限公司 | Armouring anti-corrosion process for protecting method |
| CN113304977A (en) * | 2021-06-20 | 2021-08-27 | 甘肃博睿交通重型装备制造有限公司 | Coating process for inaccessible surface of corrugated web steel-concrete composite beam |
| CN113737168A (en) * | 2021-08-31 | 2021-12-03 | 上海宝冶集团有限公司 | Corrosion prevention method for welding joint in coastal damp and hot environment |
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| CN101187026A (en) * | 2007-11-16 | 2008-05-28 | 叶云川 | Rust conversion and rust-proof coating agent for construction steel structure and its usage method |
| CN102218389A (en) * | 2010-04-14 | 2011-10-19 | 上海法赫桥梁隧道养护工程技术有限公司 | Metal surface treatment method |
| CN105149195A (en) * | 2015-10-20 | 2015-12-16 | 中山市凯兴达幕墙装饰工程有限公司 | Paint construction technology of novel steel structure |
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|---|---|---|---|---|
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