CN114293741A - Maintenance construction method for steel structure factory building - Google Patents
Maintenance construction method for steel structure factory building Download PDFInfo
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- CN114293741A CN114293741A CN202210116243.6A CN202210116243A CN114293741A CN 114293741 A CN114293741 A CN 114293741A CN 202210116243 A CN202210116243 A CN 202210116243A CN 114293741 A CN114293741 A CN 114293741A
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- steel structure
- factory building
- spraying
- rust
- maintenance
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 130
- 239000010959 steel Substances 0.000 title claims abstract description 130
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 238000012423 maintenance Methods 0.000 title claims abstract description 24
- 229920002635 polyurethane Polymers 0.000 claims abstract description 46
- 239000004814 polyurethane Substances 0.000 claims abstract description 46
- 238000005507 spraying Methods 0.000 claims abstract description 44
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 42
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000003973 paint Substances 0.000 claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 239000002344 surface layer Substances 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 230000008439 repair process Effects 0.000 claims description 7
- 230000007547 defect Effects 0.000 claims description 6
- 238000007665 sagging Methods 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 4
- 239000002932 luster Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- 244000137852 Petrea volubilis Species 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000002265 prevention Effects 0.000 description 4
- 239000002585 base Substances 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a maintenance construction method for a steel structure factory building, which belongs to the technical field of maintenance methods for steel structure factory buildings and comprises the following steps: s1, clearing the gutter; s2, surface layer rust treatment; s3, spraying acrylic polyurethane primer; s4, performing waterproof treatment on the screws; s5, repairing water leakage and flaws; s6, spraying acrylic polyurethane finish paint; and S7, cleaning engineering garbage and the like. According to the invention, the gutter of the steel structure factory building is cleaned, the screws are subjected to waterproof treatment, and the steel structure frame and the color steel tile roof are subjected to rust removal, acrylic polyurethane primer spraying and finish paint treatment, so that the overall stability of the steel structure factory building and the overall performances of corrosion resistance, rust resistance, frost resistance, water resistance and the like of the steel structure factory building can be greatly improved, and the service life of the steel structure factory building is further greatly prolonged.
Description
Technical Field
The invention belongs to the technical field of steel structure plant maintenance methods, and particularly relates to a steel structure plant maintenance construction method.
Background
The steel structure of the factory building mainly means that main bearing components are made of steel. Including steel post, girder steel, steel construction basis, steel roof truss (of course the span of factory building is bigger, is basically all steel construction roof truss now), various steel tile roof. As the steel yield of China is increased, steel structure plants are mostly adopted, and particularly, the steel structure plants can be divided into light steel structure plants and heavy steel structure plants. In particular, industrial and civil building facilities constructed from steel are known as steel structures.
In order to prolong the service life of the steel structure factory building, some small details need to be paid attention to in daily use, and the people do not need to pursue the accident. Therefore, the daily maintenance and repair of the steel structure factory building are very important.
The steel structure factory building needs to be periodically maintained, and is normally inspected and maintained once a year, so that whether the steel structure factory building is corroded or not is ensured; sundries on a metal roof are cleaned in time, unnecessary troubles caused by overstock are avoided, if the roof is damaged, the roof is repaired in time and coated with an antirust paint surface, and the situation that the corrosion is more serious caused by exposure to the sun and rain is avoided; for some accessories, whether the accessories are loosened or torn is checked, and the safety of a workshop is ensured.
Disclosure of Invention
The invention aims to provide a maintenance and construction method for a steel structure factory building, which can greatly improve the overall stability of the steel structure factory building and the overall performances of corrosion resistance, rust resistance, frost resistance, water resistance and the like of the steel structure factory building by cleaning a gutter of the steel structure factory building, performing waterproof treatment on screws, and performing rust removal, acrylic polyurethane primer spraying and finish paint treatment on a steel structure frame and a color steel tile roof, thereby effectively solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the maintenance construction method of the steel structure factory building comprises the following steps:
s1, gutter cleaning: cleaning the garbage in the gutter and preventing the downpipe from being blocked;
s2, surface rust treatment: removing dirt on the surfaces of the steel structure frame and the color steel tile and rust blocks on the surface layer by using high-pressure water;
s3, spraying of acrylic polyurethane primer: spraying acrylic acid polyurethane primer on the rusted steel structure frame and the surface of the color steel tile to stabilize the rust color and prevent rust from falling;
s4, waterproof treatment of screws: treating the screws by using the liquid coiled material to prevent the screws from leaking water and aging;
s5, repairing water leakage and defects: carrying out waterproof treatment on the color steel tile which can cause water leakage;
s6, acrylic polyurethane finish paint spraying: spraying acrylic polyurethane finish on the surfaces of the steel structure frame and the color steel tile so as to improve the hydrophobic capacity of the surfaces of the steel structure frame and the color steel tile;
s7, engineering garbage cleaning: and (5) cleaning construction waste of the construction site, and finishing maintenance construction operation of the steel structure workshop.
Preferably, the surface rust treatment in S2 further includes:
when the rust blocks on the surface layers of the steel structure frame and the color steel tile are serious and are difficult to remove by using high-pressure water, the rust blocks can be polished by sand paper or by an electric tool.
Preferably, the degree of surface layer rust treatment in S2 is: the steel structure frame and the color steel tile surface should have no visible grease and dirt, no attached scale, rust and paint coating, and the surface of the exposed part of the substrate should have metallic luster.
Preferably, the time interval between the spraying of the S3 olefine acid polyurethane primer and the surface rust treatment of S2 is not more than 5 hours.
Preferably, the spraying frequency of the olefine acid polyurethane primer in the S3 is 1-2, and the spraying on the surfaces of the steel structure frame and the color steel tile is uniform, has no omission and has no sagging trace.
Preferably, the spraying of the S3 olefine acid polyurethane primer is carried out under the weather conditions that the wind power is less than five grades and the temperature is about 5-35 ℃, and the construction is stopped in rainy season.
Preferably, the operation of processing the screw using the liquid coil in S4 is to spread the liquid coil on the outer surface of the screw.
Preferably, the repairing of the water leakage and the defect in S5 includes:
the repair of small-area water leakage and flaws adopts the steps of plugging the surface of the color steel tile by black glue and performing waterproof leak repairing on the inner surface of the color steel tile by using glass cement;
the repair of large-area water leakage and flaws is implemented by adopting a metal roof self-adhesive waterproof coiled material to perform a layer of waterproof construction on the surface of the color steel tile.
Preferably, the acrylic polyurethane finish paint spraying in the S6 is carried out under the condition that the acrylic polyurethane primer is completely dried and the foot does not have the foot mark on the surface of the acrylic polyurethane primer.
Preferably, the spraying frequency of the acrylic polyurethane finish paint in the S6 is 1-2, and the uniform spraying, omission and sagging trace prevention of the surfaces of the steel structure frame and the color steel tile are ensured.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the gutter of the steel structure factory building is cleaned, the screws are subjected to waterproof treatment, and the steel structure frame and the color steel tile roof are subjected to rust removal, acrylic polyurethane primer spraying and finish paint treatment, so that the overall stability of the steel structure factory building and the overall performances of corrosion prevention, rust prevention, frost resistance, water prevention and the like of the steel structure factory building can be greatly improved, and the service life of the steel structure factory building is further greatly prolonged.
Drawings
FIG. 1 is a flow chart of the maintenance construction method of the steel structure factory building.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the maintenance construction method of the steel structure factory building comprises the following steps:
s1, gutter cleaning: cleaning the garbage in the gutter and preventing the downpipe from being blocked; thereby preventing the excessive garbage from accelerating the corrosion of the gutter and effectively prolonging the service life of the gutter;
s2, surface rust treatment: removing dirt on the surfaces of the steel structure frame and the color steel tile and rust blocks on the surface layer by using high-pressure water; the method has high efficiency and environmental protection, can effectively remove dirt and surface rusty blocks under the condition of not damaging the color steel tile and the screw, and can achieve good antirust effect by matching with the acrylic polyurethane base coat;
s3, spraying of acrylic polyurethane primer: spraying acrylic acid polyurethane primer on the rusted steel structure frame and the surface of the color steel tile to stabilize the rust color and prevent rust from falling; the acrylic polyurethane is acrylic polyurethane primer, which is added with additives such as rust prevention and rust fixation and is filled to perform chemical reaction with the surface layer of ferric oxide to form a protective film, the protective film is isolated from air and can prevent the surface of a steel knot from being weathered, corroded and rusted by the outside, after an exposure test, the acrylic polyurethane has natural color and luster, strong bonding force and no delamination, has certain flexibility at minus 10 ℃, and can not generate the conditions of peeling, cracking, rust return and delamination when being exposed outdoors and in severe environment;
s4, waterproof treatment of screws: the liquid coiled material is used for treating the screws, so that the screws can be effectively prevented from water leakage and aging;
in the steel structure factory building in-service use process, because of the screw expose the age can appear the gasket ageing for a long time, leak, the infiltration, and adopt above-mentioned liquid coiled material to handle the screw, can effectively prevent the emergence of above-mentioned situation.
S5, repairing water leakage and defects: carrying out waterproof treatment on the color steel tile which can cause water leakage;
s6, acrylic polyurethane finish paint spraying: spraying acrylic polyurethane finish on the surfaces of the steel structure frame and the color steel tile so as to improve the hydrophobic capacity of the surfaces of the steel structure frame and the color steel tile;
specifically, the acrylic polyurethane finish paint has the advantages of large extension, good elasticity, strong base layer deformation resistance, acid and alkali resistance, and can form a continuous, uniform and complete whole after spraying and curing, is incompatible with water and can keep the same water-sticking resistance as lotus leaves.
S7, engineering garbage cleaning: and (5) cleaning construction waste of the construction site, and finishing maintenance construction operation of the steel structure workshop.
In the actual operation process, the spraying of the acrylic polyurethane primer and the acrylic polyurethane finish paint can be carried out by manual spraying or mechanical spraying by a spraying machine.
In an embodiment of the present invention, the surface layer rusting treatment in S2 further includes:
when the rust blocks on the surface layers of the steel structure frame and the color steel tile are serious and are difficult to remove by using high-pressure water, the rust blocks can be polished by sand paper or by an electric tool.
In the embodiment of the invention, the electric tool for polishing the steel structure frame and the color steel tile rust block can be selected from but not limited to a rust removal polisher, a sand blasting machine and the like.
In one embodiment of the present invention, the degree of surface layer rusting treatment in S2 is: the steel structure frame and the color steel tile surface should have no visible grease and dirt, no attached scale, rust and paint coating, and the surface of the exposed part of the substrate should have metallic luster.
As an embodiment of the invention, the time interval between the spraying of the S3 olefine acid polyurethane primer and the surface rust treatment of S2 is not more than 5 h. Preferably, the interval between the two is within 3-4 h.
As an embodiment of the invention, the spraying times of the olefine acid polyurethane primer in the S3 are 1-2 times, and the spraying on the surfaces of the steel structure frame and the color steel tile is uniform, has no omission and has no sagging trace.
As an embodiment of the invention, the spraying of the S3 olefine acid polyurethane primer is carried out under the climatic conditions that the wind power is less than five grades and the temperature is about 5-35 ℃, and the construction is stopped in rainy season.
As an embodiment of the present invention, the operation of processing the screw using the liquid web in S4 is to spread the liquid web on the outer surface of the screw.
As an embodiment of the present invention, the repairing of the water leakage and the defect in S5 includes:
the repair of small-area water leakage and flaws adopts the steps of plugging the surface of the color steel tile by black glue and performing waterproof leak repairing on the inner surface of the color steel tile by using glass cement;
the repair of large-area water leakage and flaws is implemented by adopting a metal roof self-adhesive waterproof coiled material to perform a layer of waterproof construction on the surface of the color steel tile.
As an embodiment of the present invention, the acrylic polyurethane finish paint spraying in S6 should be performed under the condition that the acrylic polyurethane primer is completely dried and the foot is not stamped on the surface of the acrylic polyurethane primer.
As an embodiment of the invention, the spraying times of the acrylic polyurethane finish paint in S6 are 1-2 times, and the spraying on the surfaces of the steel structure frame and the color steel tile is uniform, without omission and sagging traces.
According to the invention, the gutter of the steel structure factory building is cleaned, the screws are subjected to waterproof treatment, and the steel structure frame and the color steel tile roof are subjected to rust removal, acrylic polyurethane primer spraying and finish paint treatment, so that the overall stability of the steel structure factory building and the overall performances of corrosion resistance, rust resistance, frost resistance, water resistance and the like of the steel structure factory building can be greatly improved, and the service life of the steel structure factory building is further greatly prolonged.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The maintenance construction method of the steel structure factory building is characterized by comprising the following steps:
s1, gutter cleaning: cleaning the garbage in the gutter and preventing the downpipe from being blocked;
s2, surface rust treatment: removing dirt on the surfaces of the steel structure frame and the color steel tile and rust blocks on the surface layer by using high-pressure water;
s3, spraying of acrylic polyurethane primer: spraying acrylic acid polyurethane primer on the rusted steel structure frame and the surface of the color steel tile to stabilize the rust color and prevent rust from falling;
s4, waterproof treatment of screws: treating the screws by using the liquid coiled material to prevent the screws from leaking water and aging;
s5, repairing water leakage and defects: carrying out waterproof treatment on the color steel tile which can cause water leakage;
s6, acrylic polyurethane finish paint spraying: spraying acrylic polyurethane finish on the surfaces of the steel structure frame and the color steel tile so as to improve the hydrophobic capacity of the surfaces of the steel structure frame and the color steel tile;
s7, engineering garbage cleaning: and (5) cleaning construction waste of the construction site, and finishing maintenance construction operation of the steel structure workshop.
2. The maintenance and construction method for the steel structure factory building according to claim 1, wherein the surface rust treatment in S2 further comprises:
when the rust blocks on the surface layers of the steel structure frame and the color steel tile are serious and are difficult to remove by using high-pressure water, the rust blocks can be polished by sand paper or by an electric tool.
3. The maintenance and construction method of the steel structure factory building according to claim 1 or 2, wherein the degree of surface rust treatment in S2 is as follows: the surfaces of the steel structural frame and the color steel tile should be free of visible grease and dirt, free of scale, rust and paint coating attachments, and the surface of the exposed portion of the substrate should have metallic luster.
4. The maintenance and construction method for the steel structure factory building according to claim 1, wherein the time interval between the spraying of the S3 olefine acid polyurethane primer and the surface rust treatment of S2 is not more than 5 h.
5. The maintenance and construction method of the steel structure factory building according to claim 1, wherein the spraying times of the olefine acid polyurethane primer in S3 are 1-2 times, and the spraying on the surfaces of the steel structure frame and the color steel tile is uniform, without omission and sagging.
6. The maintenance and construction method of the steel structure factory building according to claim 1 or 5, wherein the spraying of the S3 olefine acid polyurethane primer is carried out under the climatic conditions that the wind power is less than five grades and the temperature is about 5-35 ℃, and the construction is stopped in rainy season.
7. The maintenance and construction method for the steel structure factory building according to claim 1, wherein the operation of processing the screw by using the liquid coil in S4 is to fully coat the outer surface of the screw by using the liquid coil.
8. The maintenance and construction method for the steel structure factory building according to claim 1, wherein the repairing of the water leakage and the defect in the S5 includes:
the repair of small-area water leakage and flaws adopts the steps of plugging the surface of the color steel tile by black glue and performing waterproof leak repairing on the inner surface of the color steel tile by using glass cement;
the repair of large-area water leakage and flaws is implemented by adopting a metal roof self-adhesive waterproof coiled material to perform a layer of waterproof construction on the surface of the color steel tile.
9. The maintenance and construction method for the steel structure factory building according to claim 1, wherein the acrylic polyurethane finish paint spraying in S6 is performed under the condition that the acrylic polyurethane primer is completely dried and the foot is placed on the surface of the acrylic polyurethane primer without foot marks.
10. The maintenance and construction method of the steel structure factory building according to claim 1 or 9, wherein the spraying times of the acrylic polyurethane finish paint in S6 are 1-2, and the spraying on the surfaces of the steel structure frame and the color steel tile is uniform without omission and sagging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210116243.6A CN114293741A (en) | 2022-01-30 | 2022-01-30 | Maintenance construction method for steel structure factory building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210116243.6A CN114293741A (en) | 2022-01-30 | 2022-01-30 | Maintenance construction method for steel structure factory building |
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| Publication Number | Publication Date |
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| CN114293741A true CN114293741A (en) | 2022-04-08 |
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| CN202210116243.6A Pending CN114293741A (en) | 2022-01-30 | 2022-01-30 | Maintenance construction method for steel structure factory building |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000025039A (en) * | 1998-10-01 | 2000-05-06 | 김복일 | Waterproof and anticorrosive process for heavy duty type load bearing resin mortar |
| JP2015068084A (en) * | 2013-09-30 | 2015-04-13 | 株式会社サカタ製作所 | Renovation bracket of exterior structure and pass member thereof, protrusion fixing member thereof, and renovation structure of exterior structure |
| JP6427624B1 (en) * | 2017-05-16 | 2018-11-21 | 阿南電機株式会社 | Repair method of steel structure |
| CN109083438A (en) * | 2018-09-27 | 2018-12-25 | 大连美宸特环保节能产品有限公司 | A kind of gymnasium metal Roof maintenance construction method |
| CN112724833A (en) * | 2020-12-25 | 2021-04-30 | 河北鲁班制漆有限公司 | Water-based waterproof combined paint for renovating color steel plates of industrial factory buildings and preparation method and application thereof |
| CN113137083A (en) * | 2020-01-17 | 2021-07-20 | 上海荣拓实业有限公司 | Method for renovating color steel roof |
-
2022
- 2022-01-30 CN CN202210116243.6A patent/CN114293741A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000025039A (en) * | 1998-10-01 | 2000-05-06 | 김복일 | Waterproof and anticorrosive process for heavy duty type load bearing resin mortar |
| JP2015068084A (en) * | 2013-09-30 | 2015-04-13 | 株式会社サカタ製作所 | Renovation bracket of exterior structure and pass member thereof, protrusion fixing member thereof, and renovation structure of exterior structure |
| JP6427624B1 (en) * | 2017-05-16 | 2018-11-21 | 阿南電機株式会社 | Repair method of steel structure |
| CN109083438A (en) * | 2018-09-27 | 2018-12-25 | 大连美宸特环保节能产品有限公司 | A kind of gymnasium metal Roof maintenance construction method |
| CN113137083A (en) * | 2020-01-17 | 2021-07-20 | 上海荣拓实业有限公司 | Method for renovating color steel roof |
| CN112724833A (en) * | 2020-12-25 | 2021-04-30 | 河北鲁班制漆有限公司 | Water-based waterproof combined paint for renovating color steel plates of industrial factory buildings and preparation method and application thereof |
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Application publication date: 20220408 |