CN107661852A - Syncretic zinc cold spray coating applies the unconventional construction method on coal-fired plant boiler steel - Google Patents
Syncretic zinc cold spray coating applies the unconventional construction method on coal-fired plant boiler steel Download PDFInfo
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- CN107661852A CN107661852A CN201710998819.5A CN201710998819A CN107661852A CN 107661852 A CN107661852 A CN 107661852A CN 201710998819 A CN201710998819 A CN 201710998819A CN 107661852 A CN107661852 A CN 107661852A
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- Prior art keywords
- cold spray
- spray coating
- coating
- syncretic
- web
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Classifications
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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
- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
-
- 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
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/53—Base coat plus clear coat type
- B05D7/536—Base coat plus clear coat type each layer being cured, at least partially, separately
Abstract
The present invention provides a kind of syncretic zinc cold spray coating and applies the unconventional construction method on coal-fired plant boiler steel, it is included in H profile steel and sprays syncretic zinc cold spray coating, before 1st spraying, the web of component is put upward, spray gun for paint fan width can not cover in welded joints when spraying wing plate and web, component is turned over after the 1st coating upward is dried and done something in disregard of obstacles, syncretic zinc cold spray coating is sprayed on cross column, all weld seams first use roller coat+brushing combination application, then the wing plate and web not precoated are sprayed, do not include weld seam during spraying, syncretic zinc cold spray coating is applied on the rubbing surface that galvanizing by dipping is crossed, rubbing surface region is marked, covered with iron plate and block the bolt hole of wherein one side, the periphery of rubbing surface is adjacent to line paper self-adhesive tape, packaging waste paper box is made on the horn-like U.S. line paper being enclosed on around rubbing surface.Cold spray zinc product used in the present invention has excellent high-strength bolt anti-slipping property energy, and commissure thickness is suitable, improves sandblasting effect, does not influence zinc layers antiseptic effect.
Description
Technical field
The invention belongs to anticorrosive construction technical field, and in particular to syncretic zinc cold spray coating is applied on coal-fired plant boiler steel
Unconventional construction method.
Background technology
The coal-fired plant boiler anticorrosion of steel structure mode in inland generally all using commonly paint it is supporting protected, so
And with the development of science and technology, and country corrosion-resistant is also recognized to corrosion-resistant attention degree more and more higher, some owner
Importance, so use some unconventional anticorrosive construction modes.This patent application project is the m. gigawatt (GW) level fire coal that borders on the sea
Power plant, corrosive environment is severe, and anti-corrosion mode is mainly using galvanizing by dipping and cold spray zinc.The time that cold spray zinc is applied at home
Do not grow, the standard of formulation also just only rower, and there is presently no formulate relevant criterion, this kind of product zinc content in the world at present
High, zinc content is up to 96% in non-volatile part, in theory for, antiseptic effect is very excellent, and rate of drying is fast, in addition, this
Cold spray zinc product has excellent high-strength bolt anti-slipping property energy used in patent application project, but anything is two sides
Property, there is advantage also just to have shortcoming, the disadvantage of this kind of product is exactly that thickness can not be high, especially commissure, and this is for very
More different types of component form coating decoration brings the larger cross column and H of sizable difficulty, especially volume and weight
The steel construction piece of steel column, girder steel type.
The content of the invention
In order to solve the above problems, the present invention provides a kind of syncretic zinc cold spray coating and applied on coal-fired plant boiler steel very
Advise construction method.
Technical scheme provided by the invention is as follows：Syncretic zinc cold spray coating applies the unconventional construction on coal-fired plant boiler steel
Method, construction method be included in boiler of power plant ladle include applied on the rubbing surface that cross column, H types beam, galvanizing by dipping are crossed it is cold spray zinc apply
Expect step：
Syncretic zinc cold spray coating applies the unconventional construction method on coal-fired plant boiler steel, it is characterised in that：The construction method
It is included in boiler of power plant ladle and includes painting syncretic zinc cold spray coating step on the rubbing surface that cross column, H types beam, galvanizing by dipping are crossed：
（1）Syncretic zinc cold spray coating is sprayed in H profile steel：Comprise the following steps：Including three process, wherein the first procedure：By component
Web put upward, step a）Since spray the body weld seam of the other end, inner side wing plate and the web of half are then sprayed,
The syncretic zinc cold spray coating that 72~108 microns of application, spray gun for paint fan width inside courtyard can not cover in welded joints when spraying the wing plate and web,
Step b）Component towards remainder above inner side wing plate and half web according to step a）Mode is sprayed, except the wing of body
Plate lateral surface does not apply, step c）After the 1st coating upward is dried 0.5 ~ 1 hour, detect coating layer thickness and mark corresponding
Thickness value is on coating, wherein second operation work：By 180 ° of turns of component, step d）According to step a and step b）In spraying
On the outside of side wing, weld seam and web, and two wing plates, the syncretic zinc cold spray coating that 72~108 microns of application, wherein the 3rd work
Sequence：Step e）Repeat the first procedure and second operation work sprays the 2nd syncretic zinc cold spray coating；
（2）Syncretic zinc cold spray coating is sprayed on cross column, is comprised the following steps：Including three process, wherein the first procedure：Carry out
Before first of spraying, all weld seams first using about 30~50 microns of coating together with roller coat and brushing combination application, wherein
Second operation work：Then spray the wing plate and web not precoated, the syncretic zinc cold spray coating that 72~108 microns of application, paint during spraying
Rifle fan width inside courtyard can not cover in welded joints, after 0.5 ~ 1 hour to be dried, detect coating layer thickness and mark corresponding thickness value
On coating, wherein three process：Repeat second operation work and spray the 2nd syncretic zinc cold spray coating；
（3）Syncretic zinc cold spray coating is applied on the rubbing surface that galvanizing by dipping is crossed, is comprised the following steps：Step a）First to rubbing surface region
It is marked, step b）Covered with one piece bigger than area of friction surface of iron plate and block the bolt hole of wherein one side, step c）With
Circular recovery sand blower sandblasting removes the zinc layers of other one side, when zinc layers are removed totally and then according to step a）, step
b）, step c）, remove reverse side zinc layers, step d）The periphery of rubbing surface is adjacent to line paper self-adhesive tape wide 50~100cm, used
Packaging waste paper box is made a horn-like protective case and is enclosed on the U.S. line paper around rubbing surface, step e）60~90 microns of application
Syncretic zinc cold spray coating.
Further, sand-blasting abrasive must use shot, corner angle steel sand compound abrasive, match as 40%：60% or 30%：70%,
Particle diameter is 0.8 ~ 1.2mm.
The present invention is advantageous in that：Syncretic zinc cold spray coating is sprayed in H profile steel：Before 1st spraying, the web of component is put into court
On, be advantageous to the accurate spraying of coating layer thickness on weld seam；Spray gun for paint fan width can not cover in welded joints when spraying wing plate and web, have
Beneficial to the thickness of coating on control weld seam；Component is turned over after the 1st coating upward is dried 0.5~1 hour and done something in disregard of obstacles, can be protected
Shield coating exempts from turn and causes crushing.
Syncretic zinc cold spray coating is sprayed on cross column：Before 1st spraying, all weld seams are first applied using roller coat+brushing combination
About 30~50 microns together of coating is filled, can prevent that coating layer thickness is relatively low on weld seam；Then the wing plate and web not precoated are sprayed,
Do not include weld seam during spraying, can prevent that coating layer thickness is not higher on weld seam.
Syncretic zinc cold spray coating is applied on the rubbing surface that galvanizing by dipping is crossed：Rubbing surface region is marked first, it can be ensured that just
True sandblasting scope, then covered with one piece of iron plate slightly larger with rubbing surface scope and block the bolt hole of wherein one side, can prevented
Only during sandblasting compressed air, dust and abrasive material discharged from hole and influence periphery personal security, environment and zinc layers it is damaged；Then
The periphery of rubbing surface is adjacent to line paper self-adhesive tape wide 80~100cm, it is upright, attractive in appearance to be advantageous to coating；Before spraying, with packing
Waste paper box is made a horn-like protective case and is enclosed on the U.S. line paper around rubbing surface, prevents the coating around coating cloud pollution；Spray
Material, which is sanded, can improve sandblasting efficiency, but do not influence zinc layers antiseptic effect using shot, corner angle steel sand compound abrasive.
Embodiment
The present invention is further described with reference to embodiment.
Syncretic zinc cold spray coating applies the unconventional construction method on coal-fired plant boiler steel, and construction method is included in power plant's pot
Stove ladle includes painting syncretic zinc cold spray coating step on the rubbing surface that cross column, H types beam, galvanizing by dipping are crossed：
（1）Syncretic zinc cold spray coating is sprayed in H profile steel：Comprise the following steps：Including three process, wherein the first procedure：By component
Web put upward, step a）Since spray the body weld seam of the other end, inner side wing plate and the web of half are then sprayed,
The syncretic zinc cold spray coating that 72~108 microns of application, spray gun for paint fan width inside courtyard can not cover in welded joints when spraying the wing plate and web,
Step b）Component towards remainder above inner side wing plate and half web, according to step a）Sprayed, except the wing plate of body
Lateral surface does not apply, step c）After the 1st coating upward is dried 0.5 ~ 1 hour, detect coating layer thickness and mark corresponding thick
Number of degrees value is on coating, wherein second operation work：By 180 ° of turns of component, step d）According to step a and step b）Spraying inner side
On the outside of wing plate, weld seam and web, and two wing plates, the syncretic zinc cold spray coating that 72~108 microns of application, wherein three process：
Step e）Repeat the first procedure and second operation work sprays the 2nd syncretic zinc cold spray coating；
（2）Syncretic zinc cold spray coating is sprayed on cross column, is comprised the following steps：Including three process, wherein the first procedure：Carry out
Before first of spraying, all weld seams first using about 30~50 microns of coating together with roller coat and brushing combination application, wherein
Second operation work：Then spray the wing plate and web not precoated, the syncretic zinc cold spray coating that 72~108 microns of application, spray during spraying
Rifle fan width inside courtyard can not cover in welded joints, after 0.5 ~ 1 hour to be dried, detect coating layer thickness and mark corresponding thickness number
Value is on coating, wherein three process：Repeat second operation work and spray the 2nd syncretic zinc cold spray coating, cold spray zinc is arrived in spraying the 2nd
When, the not manual application of weld seam does not also spray, and coating layer thickness will be supplied by the coating cloud when spraying wing, web at this；
（3）Syncretic zinc cold spray coating is applied on the rubbing surface that galvanizing by dipping is crossed, is comprised the following steps：Step a）First to rubbing surface region
It is marked, step b）Covered with one piece bigger than area of friction surface of iron plate and block the bolt hole of wherein one side, step c）With
Circular recovery sand blower sandblasting removes the zinc layers of other one side, and sand-blasting abrasive must use shot, corner angle steel sand compound abrasive, match somebody with somebody
Than for 40%：60% or 30%：70%, particle diameter is 0.8 ~ 1.2mm, when zinc layers are removed totally and then according to step a）, step b）、
Step c）, remove reverse side zinc layers, step d）The periphery of rubbing surface is adjacent to line paper self-adhesive tape wide 50~100cm, with bag
Dress waste paper box is made a horn-like protective case and is enclosed on the U.S. line paper around rubbing surface, step e）60~90 microns of application it is cold
Spray spelter coating.
Claims (2)
1. syncretic zinc cold spray coating applies the unconventional construction method on coal-fired plant boiler steel, it is characterised in that：The construction party
Method is included in boiler of power plant ladle and includes painting syncretic zinc cold spray coating step on the rubbing surface that cross column, H types beam, galvanizing by dipping are crossed：
（1）Syncretic zinc cold spray coating is sprayed in H profile steel：It is characterized in that：Comprise the following steps：Including three process, wherein first
Process：The web of component is put upward, step a）Since spray the body weld seam of the other end, then spraying inner side wing plate and
The web of half, the syncretic zinc cold spray coating that 72~108 microns of application, spray gun for paint fan width inside courtyard can not when spraying the wing plate and web
Cover in welded joints, step b）Component towards remainder above inner side wing plate and half web according to step a）Mode is sprayed
Apply, except the wing plate lateral surface of body does not apply, step c）After the 1st coating upward is dried 0.5 ~ 1 hour, coating layer thickness is detected
And corresponding thickness value is marked on coating, wherein second operation work：By 180 ° of turns of component, step d）According to step a and
Step b）On the outside of spraying inner side wing plate, weld seam and web, and two wing plates, the syncretic zinc cold spray coating that 72~108 microns of application, its
In three process：Step e）Repeat the first procedure and second operation work sprays the 2nd syncretic zinc cold spray coating；
（2）Syncretic zinc cold spray coating is sprayed on cross column, it is characterised in that：Comprise the following steps：Including three process, wherein first
Process：Carry out first spraying before, all weld seams first using roller coat and brushing combination application together with about 30~50 microns
Coating, wherein second operation work：Then the wing plate and web not precoated are sprayed, the syncretic zinc cold spray coating that 72~108 microns of application,
Spray gun for paint fan width inside courtyard can not cover in welded joints during spraying, after 0.5 ~ 1 hour to be dried, detect coating layer thickness and mark corresponding
Thickness value on coating, wherein three process：Repeat second operation work and spray the 2nd syncretic zinc cold spray coating；
（3）Syncretic zinc cold spray coating is applied on the rubbing surface that galvanizing by dipping is crossed, it is characterised in that：Comprise the following steps：Step a）First
Rubbing surface region is marked, step b）Covered with one piece bigger than area of friction surface of iron plate and block the bolt of wherein one side
Hole, step c）The zinc layers of other one side are removed with circular recovery sand blower sandblasting, when zinc layers are removed totally and then according to step
Rapid a）, step b）, step c）, remove reverse side zinc layers, step d）With line paper self-adhesive tape wide 50~100cm by the week of rubbing surface
While be adjacent to, it is enclosed on packing waste paper box and making a horn-like protective case on the U.S. line paper around rubbing surface, step e）Application 60
~90 microns of syncretic zinc cold spray coating.
2. syncretic zinc cold spray coating according to claim 1 applies the unconventional construction method on coal-fired plant boiler steel, its
It is characterised by：Sand-blasting abrasive must use shot, corner angle steel sand compound abrasive, match as 40%：60% or 30%：70%, particle diameter 0.8
~1.2mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710998819.5A CN107661852A (en) | 2017-10-24 | 2017-10-24 | Syncretic zinc cold spray coating applies the unconventional construction method on coal-fired plant boiler steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710998819.5A CN107661852A (en) | 2017-10-24 | 2017-10-24 | Syncretic zinc cold spray coating applies the unconventional construction method on coal-fired plant boiler steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107661852A true CN107661852A (en) | 2018-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710998819.5A Pending CN107661852A (en) | 2017-10-24 | 2017-10-24 | Syncretic zinc cold spray coating applies the unconventional construction method on coal-fired plant boiler steel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814643A (en) * | 2019-10-12 | 2020-02-21 | 上海建工（江苏）钢结构有限公司 | Anticorrosion construction method for rigid beam steel structure of thermal power boiler |
| CN116037438A (en) * | 2022-11-11 | 2023-05-02 | 武船重型工程股份有限公司 | Steel product bolting surface weld joint crossing peripheral coating method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259079A (en) * | 2014-10-27 | 2015-01-07 | 鞍山东方钢构桥梁有限公司 | Cold zinc-spraying pre-spraying technology for steel bridge box girder |
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2017
- 2017-10-24 CN CN201710998819.5A patent/CN107661852A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259079A (en) * | 2014-10-27 | 2015-01-07 | 鞍山东方钢构桥梁有限公司 | Cold zinc-spraying pre-spraying technology for steel bridge box girder |
Non-Patent Citations (3)
| Title |
|---|
| 李连缀等: "挪威HAKRDANGER大桥钢箱梁涂装工艺设计", 《现代涂料与涂装》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814643A (en) * | 2019-10-12 | 2020-02-21 | 上海建工（江苏）钢结构有限公司 | Anticorrosion construction method for rigid beam steel structure of thermal power boiler |
| CN116037438A (en) * | 2022-11-11 | 2023-05-02 | 武船重型工程股份有限公司 | Steel product bolting surface weld joint crossing peripheral coating method |
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Application publication date: 20180206 |
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