CN109746584A - A kind of welding for steel structure anti-corrosive technology - Google Patents
A kind of welding for steel structure anti-corrosive technology Download PDFInfo
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- CN109746584A CN109746584A CN201910218468.0A CN201910218468A CN109746584A CN 109746584 A CN109746584 A CN 109746584A CN 201910218468 A CN201910218468 A CN 201910218468A CN 109746584 A CN109746584 A CN 109746584A
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Abstract
The invention discloses a kind of welding for steel structure anti-corrosive technology, the welding for steel structure anti-corrosive technology is the following steps are included: preheating-welding-weld seam cladding-surface coating is welded in face of weld cleaning-face of weld is fixed-；Wherein welding preheating step is toasted by heat gun; the surface coating step is closely to be attached to face of weld by toasting after wrapping up using heat shrink films after completing weld seam package step; making the package substance of face of weld will not be directly exposed to air, and fail after preventing weld seam protection material from washing away weathering by sleet.By the above-mentioned means, the present invention can effectively improve the weatherability of welding for steel structure position, welded service life is improved, being conducive to steel construction, exposure uses for a long time.
Description
Technical field
The present invention relates to welding for steel structure fields, more particularly to a kind of welding for steel structure anti-corrosive technology.
Background technique
Steel construction refers to the support bracket structure being composed of steel construction piece, steel construction piece is mostly by fashioned iron and steel plate system
At, including types such as joist steel, steel column, steel truss, all kinds of components are generally standardized production by factory, the stability side of installation well
Just, it can reuse, significantly reduce the generation of rubbish for building, thus be widely used in the fields conducts such as building and engineering
Load-carrying members use.Welded connecting is generallyd use between various types of component, is bolted or rivet interlacement.It is welded to connect because having
Any orientation, angle and the shape of steel can be directly connected to, do not weaken member section, the rigidity of connection is big, leakproofness
Can it is good, the advantages that and be widely used.It but because is to make to weld by the heat generated by electric arc on the process nature of welding
Item and weldment local melting condense into weld seam through cooling, to weldment be linked into an integrated entity, in the welding process in weld interface
Neighbouring steel be subjected to high temperature influence, be easy to appear stress-retained and interface damage, be placed in external open-air atmosphere be easy to because
Lead to accelerated corrosion to absorb the steam in air, influence the service life of weld interface, overall load-bearing capacity is reduced, although in reality
Some anti-corrosive greases etc can be coated in work, but under the washing away of external sleet, can lose effectiveness quickly.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of welding for steel structure anti-corrosive technology, can effectively prevent welding
Interface is corroded afterwards.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of welding for steel structure antirust is provided
Technique, the welding for steel structure anti-corrosive technology is the following steps are included: preheating-welding-weld seam is welded in face of weld cleaning-face of weld is fixed-
Cladding-surface coating.Above-mentioned steps include content in detail below: s1 clears up face of weld, and is gone using lotion special
Except the rusty stain and sundries on surface；The steel construction that welds of needs is fixed in s2, make to keep stablizing between the opposite face of weld away from
From；The face of weld is preheated while the liquid that s3 is left when being cleared up using the air-heater drying face of weld；S4 adds welding rod using welding gun
Weld seam after heat between steel construction is welded；In welding position, coating antirust paint is coated after s5 welding, is completed to lacquer painting
One layer of anti-corrosive grease is coated on lacquer painting afterwards；Closely cladding winds multilayer heat shrinkable film to s6 on grease, then uses hot wind
Rifle baking, makes heat shrink films fit closely welding position.
In a preferred embodiment of the present invention, washing lotion used in the step s1 is acid solution, after cleaning derusting
It needs to rinse well using clear water.
In a preferred embodiment of the present invention, fixed form described in the step s2 is to clamp steel knot using fixture
Positioning screw positioning is preset after keeping the face of weld stable after component and face of weld drilling or above two method uses simultaneously.
In a preferred embodiment of the present invention, the temperature of heat gun is 180 DEG C in the step s3, baking time 10
~20min。
In a preferred embodiment of the present invention, antirust paint used in the step s5 is aqueous quick-drying anti-rust paint, institute
The air drying time for stating aqueous quick-drying anti-rust paint is no more than 0.5h.
In a preferred embodiment of the present invention, heat shrink films used in the step s6 are PE, PP or POF film.
In a preferred embodiment of the present invention, the baking temperature of heat gun is 120 DEG C ~ 180 DEG C in the step s6.
The beneficial effects of the present invention are: the technical solution of the present invention is to provide a kind of corrosion protection works of welding for steel structure
Skill is mainly characterized by and on the one hand preheats in welding process to the face of weld, internal stress reduced, on the other hand to the position after welding
It sets and is coated after carrying out antirust coating using heat shrink films, so that intermediate anti-corrosive grease is closely coated in weld seam periphery, reduce sleet
The influence washed away greatly improves the service life of welding position.
Specific embodiment
The preferred embodiments of the present invention will be described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that so as to make a clearer definition of the protection scope of the present invention.
The embodiment of the present invention includes:
A kind of welding for steel structure anti-corrosive technology is provided, the welding for steel structure anti-corrosive technology is the following steps are included: face of weld cleaning-weldering
Preheating-welding-weld seam cladding-surface coating is fixed-is welded in face.
Above-mentioned steps include content in detail below:
S1 clears up face of weld, and uses the rusty stain and sundries on lotion special removal surface；
The steel construction that s2 welds needs is fixed, and makes to keep stabilizing distance between the opposite face of weld；
The face of weld is preheated while the liquid that s3 is left when being cleared up using the air-heater drying face of weld；
S4 welds the weld seam between steel construction after welding rod heating using welding gun；
In welding position, coating antirust paint is coated after s5 welding, is coated with one layer of antirust on lacquer painting after the completion of lacquer painting
Grease；
Closely cladding winds multilayer heat shrinkable film to s6 on grease, is then toasted using heat gun, fits closely heat shrink films
Welding position.
The interfacial stress that can be on the one hand mitigated when welding by above-mentioned 6 step is remaining, on the other hand will by heat shrink films
Anti-corrosive grease is wrapped in weld and reduces the influence that sleet weathering is washed away.
Washing lotion used in the step s1 is acid solution, needs to rinse well using clear water after cleaning derusting, use
The reason of acid wash liquid is the oxide for facilitating removal material surface, and being cleaned up after removal using clear water prevents from influencing subsequent work
Sequence.
Fixed form described in the step s2 is to keep the face of weld stable and the face of weld after clamping steel construction piece using fixture
Positioning screw positioning is preset after drilling or above two method uses simultaneously, steel construction can be kept to wait connecting through the above way
Relative distance between border face is stablized, and prevents the trembling in welding process from welding position being caused cavity, stomata and stress occur
The defects of accumulation.
The temperature of heat gun is 180 DEG C, baking time 20min in the step s3, on the one hand removing residual liquid, one
Aspect preheats weld interface.
Antirust paint used in the step s5 is aqueous quick-drying anti-rust paint, the air drying of the aqueous quick-drying anti-rust paint
Time is no more than 0.5h, improves the continuity of work progress.
Heat shrink films used in the step s6 are POF film, transparency with higher, shrinking percentage, high tenacity, high fever
Sealing property, antistatic, cold resistance is excellent, and security reliability is strong.Heat gun in the s6 when POF film thickness is 1.5
Baking temperature is 120 DEG C ~ 150 DEG C.
In another embodiment of the present invention:
A kind of welding for steel structure anti-corrosive technology is provided, the welding for steel structure anti-corrosive technology is the following steps are included: face of weld cleaning-weldering
Preheating-welding-weld seam cladding-surface coating is fixed-is welded in face.
Above-mentioned steps include content in detail below:
S1 clears up face of weld, and uses the rusty stain and sundries on lotion special removal surface；
The steel construction that s2 welds needs is fixed, and makes to keep stabilizing distance between the opposite face of weld；
The face of weld is preheated while the liquid that s3 is left when being cleared up using the air-heater drying face of weld；
S4 welds the weld seam between steel construction after welding rod heating using welding gun；
In welding position, coating antirust paint is coated after s5 welding, is coated with one layer of antirust on lacquer painting after the completion of lacquer painting
Grease；
Closely cladding winds multilayer heat shrinkable film to s6 on grease, is then toasted using heat gun, fits closely heat shrink films
Welding position.
The interfacial stress that can be on the one hand mitigated when welding by above-mentioned 6 step is remaining, on the other hand will by heat shrink films
Anti-corrosive grease is wrapped in weld and reduces the influence that sleet weathering is washed away.
Washing lotion used in the step s1 is acid solution, needs to rinse well using clear water after cleaning derusting, use
The reason of acid wash liquid is the oxide for facilitating removal material surface, and being cleaned up after removal using clear water prevents from influencing subsequent work
Sequence.
Fixed form described in the step s2 is to keep the face of weld stable and the face of weld after clamping steel construction piece using fixture
Positioning screw positioning is preset after drilling or above two method uses simultaneously, steel construction can be kept to wait connecting through the above way
Relative distance between border face is stablized, and prevents the trembling in welding process from welding position being caused cavity, stomata and stress occur
The defects of accumulation.
The temperature of heat gun is 180 DEG C, baking time 10min in the step s3, on the one hand removing residual liquid, one
Aspect preheats weld interface.
Antirust paint used in the step s5 is aqueous quick-drying anti-rust paint, the air drying of the aqueous quick-drying anti-rust paint
Time is no more than 0.5h, improves the continuity of work progress.
Heat shrink films used in the step s6 are POF film, transparency with higher, shrinking percentage, high tenacity, high fever
Sealing property, antistatic, cold resistance is excellent, and security reliability is strong.The heat gun in the s6 when the POF film thickness used is 2
Baking temperature be 150 DEG C ~ 180 DEG C.
In another embodiment of the present invention:
A kind of welding for steel structure anti-corrosive technology is provided, the welding for steel structure anti-corrosive technology is the following steps are included: face of weld cleaning-weldering
Preheating-welding-weld seam cladding-surface coating is fixed-is welded in face.
Above-mentioned steps include content in detail below:
S1 clears up face of weld, and uses the rusty stain and sundries on lotion special removal surface；
The steel construction that s2 welds needs is fixed, and makes to keep stabilizing distance between the opposite face of weld；
The face of weld is preheated while the liquid that s3 is left when being cleared up using the air-heater drying face of weld；
S4 welds the weld seam between steel construction after welding rod heating using welding gun；
In welding position, coating antirust paint is coated after s5 welding, is coated with one layer of antirust on lacquer painting after the completion of lacquer painting
Grease；
Closely cladding winds multilayer heat shrinkable film to s6 on grease, is then toasted using heat gun, fits closely heat shrink films
Welding position.
The interfacial stress that can be on the one hand mitigated when welding by above-mentioned 6 step is remaining, on the other hand will by heat shrink films
Anti-corrosive grease is wrapped in weld and reduces the influence that sleet weathering is washed away.
Washing lotion used in the step s1 is acid solution, needs to rinse well using clear water after cleaning derusting, use
The reason of acid wash liquid is the oxide for facilitating removal material surface, and being cleaned up after removal using clear water prevents from influencing subsequent work
Sequence.
Fixed form described in the step s2 is to keep the face of weld stable and the face of weld after clamping steel construction piece using fixture
Positioning screw positioning is preset after drilling or above two method uses simultaneously, steel construction can be kept to wait connecting through the above way
Relative distance between border face is stablized, and prevents the trembling in welding process from welding position being caused cavity, stomata and stress occur
The defects of accumulation.
The temperature of heat gun is 180 DEG C, baking time 20min in the step s3, on the one hand removing residual liquid, one
Aspect preheats weld interface.
Antirust paint used in the step s5 is aqueous quick-drying anti-rust paint, the air drying of the aqueous quick-drying anti-rust paint
Time is no more than 0.5h, improves the continuity of work progress.
Heat shrink films used in the step s6 are PP/PE film, transparency with higher, high tenacity, high heat sealability
Energy, antistatic, cold resistance is excellent, and security reliability is strong.The baking of PP/PE film thickness heat gun in s6 when being 2
Temperature is 140 DEG C ~ 170 DEG C.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (7)
1. a kind of welding for steel structure anti-corrosive technology, which is characterized in that the welding for steel structure anti-corrosive technology is the following steps are included: weldering
Preheating-welding-weld seam cladding-surface coating is welded in face cleaning-face of weld is fixed-；
The step particular content is as follows
S1 clears up face of weld, and uses the rusty stain and sundries on lotion special removal surface；
The steel construction that s2 welds needs is fixed, and makes to keep stabilizing distance between the opposite face of weld；
The face of weld is preheated while the liquid that s3 is left when being cleared up using the air-heater drying face of weld；
S4 welds the weld seam between steel construction after welding rod heating using welding gun；
In welding position, coating antirust paint is coated after s5 welding, is coated with one layer of antirust on lacquer painting after the completion of lacquer painting
Grease；
Closely cladding winds multilayer heat shrinkable film to s6 on grease, is then toasted using heat gun, fits closely heat shrink films
Welding position.
2. welding for steel structure anti-corrosive technology according to claim 1, which is characterized in that washing lotion used in the step s1
For acid solution, need to rinse well using clear water after cleaning derusting.
3. welding for steel structure anti-corrosive technology according to claim 1, which is characterized in that fixation side described in the step s2
Formula is to preset positioning screw positioning or above-mentioned after keeping the face of weld stable and face of weld drilling after clamping steel construction piece using fixture
Two methods use simultaneously.
4. welding for steel structure anti-corrosive technology according to claim 1, which is characterized in that the temperature of heat gun in the step s3
Degree is 180 DEG C, and baking time is 10 ~ 20min.
5. welding for steel structure anti-corrosive technology according to claim 1, which is characterized in that antirust used in the step s5
Paint is aqueous quick-drying anti-rust paint, and the air drying time of the aqueous quick-drying anti-rust paint is no more than 0.5h.
6. welding for steel structure anti-corrosive technology according to claim 1, which is characterized in that heat used in the step s6 is received
Contracting film is PE, PP or POF film.
7. welding for steel structure anti-corrosive technology according to claim 1, which is characterized in that the baking of heat gun in the step s6
Roasting temperature is 120 DEG C ~ 180 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910218468.0A CN109746584A (en) | 2019-03-21 | 2019-03-21 | A kind of welding for steel structure anti-corrosive technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910218468.0A CN109746584A (en) | 2019-03-21 | 2019-03-21 | A kind of welding for steel structure anti-corrosive technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877165A (en) * | 2019-11-24 | 2020-03-13 | 太原理工大学 | Double-heat-source combined action method for improving welding and welding seam surface layer performance |
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| JP2001124288A (en) * | 1999-10-25 | 2001-05-11 | Efuko Kk | Anticorrosive method of coated metallic tube connecting part |
| CN106238858A (en) * | 2016-07-29 | 2016-12-21 | 天津市世纪道康建筑科技有限公司 | A kind of welding method of low-temperature steel structure |
| CN106638657A (en) * | 2016-10-18 | 2017-05-10 | 中国船舶重工集团公司第七�三研究所 | Prestressed anchor rod assembly anti-corrosion method |
| CN108044248A (en) * | 2017-12-15 | 2018-05-18 | 重庆友拓汽车零部件有限公司 | Neutral column reinforcement plate welds pre-heating mean |
| CN108501355A (en) * | 2018-03-30 | 2018-09-07 | 山东三达科技发展有限公司 | A kind of method for anticorrosion treatment of elastic anti-corrosion coating site operation |
| CN109128725A (en) * | 2018-11-09 | 2019-01-04 | 蒋博 | A kind of welding for steel structure method |
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2019
- 2019-03-21 CN CN201910218468.0A patent/CN109746584A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001124288A (en) * | 1999-10-25 | 2001-05-11 | Efuko Kk | Anticorrosive method of coated metallic tube connecting part |
| CN106238858A (en) * | 2016-07-29 | 2016-12-21 | 天津市世纪道康建筑科技有限公司 | A kind of welding method of low-temperature steel structure |
| CN106638657A (en) * | 2016-10-18 | 2017-05-10 | 中国船舶重工集团公司第七�三研究所 | Prestressed anchor rod assembly anti-corrosion method |
| CN108044248A (en) * | 2017-12-15 | 2018-05-18 | 重庆友拓汽车零部件有限公司 | Neutral column reinforcement plate welds pre-heating mean |
| CN108501355A (en) * | 2018-03-30 | 2018-09-07 | 山东三达科技发展有限公司 | A kind of method for anticorrosion treatment of elastic anti-corrosion coating site operation |
| CN109128725A (en) * | 2018-11-09 | 2019-01-04 | 蒋博 | A kind of welding for steel structure method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110877165A (en) * | 2019-11-24 | 2020-03-13 | 太原理工大学 | Double-heat-source combined action method for improving welding and welding seam surface layer performance |
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Application publication date: 20190514 |
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